CN207416002U - 3D printing head cleaning device and its 3D printing head - Google Patents
3D printing head cleaning device and its 3D printing head Download PDFInfo
- Publication number
- CN207416002U CN207416002U CN201721580175.XU CN201721580175U CN207416002U CN 207416002 U CN207416002 U CN 207416002U CN 201721580175 U CN201721580175 U CN 201721580175U CN 207416002 U CN207416002 U CN 207416002U
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- China
- Prior art keywords
- printing
- lever arm
- force
- mouth
- printing head
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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 3D printing head cleaning device and its 3D printing head, which belong to the field of 3D printing technology, and solve the common way of manually removing the printing nozzle and cleaning it after the common 3D printing head is blocked. There are many processes. The problems of complex actions and low efficiency include: the print head housing; the support pin assembled on the print head housing; the lever arm assembled on the support pin rotating; and the lever arm is assembled at one end of the lever arm , And drive the lever arm to rotate around the support pin; and, movably assembled in a vertical chute of the print head housing corresponding to the printing nozzle, and the lever arm The other end of the printing nozzle is assembled, and its lower end extends into the inside of the printing nozzle and makes a reciprocating needle movement along the axial direction of the vertical chute with the rotation of the lever arm to discharge the consumable crystals inside the printing nozzle. , To achieve the purpose of automating the printing nozzle cleaning process and improving production efficiency.
Description
Technical field
The utility model is related to 3D printing technique field, the material-clearing device of more particularly to a kind of 3D printing head and its 3D printing
Head.
Background technology
As printer technology develops, three-dimensional can be printed（3D）The 3D printer of stereo article gradually rises.And 3D
Printer does not rely on ink to show, but relies on the raw material true such as plastics, metal, and by raw material by adding
Thermal softening is printed for printing silk with being injected in predeterminable area.3D printer is cut in a series of numbers for receiving computer completion
After piece, continuous slim level is stacked up, until a threedimensional solid forming objects.As it can be seen that 3D printer can be direct
Printing shaping product, so as to provide a kind of new product manufacturing mode.
At present, common 3D printers in printed product, since the discharge port of printing mouth is typically small, add in the market
The raw material of thermal softening such as PLA（Polylactic acid）、ABS（Acrylonitrile-butadiene-styrene copolymer）Etc. flowing to apart from discharge port
When at 40mm, easy decrease temperature crystalline causes discharge port to be blocked into plastics knot, therefore needs regularly to clear up printing mouth,
To ensure the normal operation of print head.
The mode cleared up at present printing mouth is first to remove the installation screw for printing mouth, then unscrews band spiral shell with hand
The trunnion of line, then make reciprocal contact pin in printing mouth with dome pin and move, discharge putty.But this mode process actions
Complexity, inefficiency, therefore have much room for improvement.
Utility model content
The purpose of this utility model is to provide a kind of material-clearing device of 3D printing head and its 3D printing head, without dismounting process
Printing mouth can just be cleaned, realize the automation that printing mouth expects clearly process, have the advantages that production efficiency is high.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of 3D printing head it is clear
Expect device, be assemblied on printing casing, including：The supporting pin being assemblied on the printing casing；Rolling assembling is described
Lever arm of force in supporting pin；It is assemblied in described lever arm of force one end and the lever arm of force is driven to be rotated around the supporting pin
Actuator；And activity is assemblied in the vertical chute of an arrangement corresponding with printing mouth of the printing casing and institute
The other end for stating lever arm of force mutually assembles and its lower end is stretched into inside printing mouth and vertically slided with the rotation of the lever arm of force
The axial direction of slot does reciprocal contact pin movement will print the volume pin that the consumptive material crystal inside mouth is discharged.
By using above-mentioned technical proposal, when needing to clear up printing mouth, actuator starts, and drives lever arm of force
It is rotated around supporting pin, the volume pin for being assemblied in the lever arm of force other end is vertically slided with the rotation of lever arm of force the one of printing casing
It moves reciprocatingly in slot, at this point, reciprocal contact pin movement is done in the lower end of volume pin in printing mouth, the consumptive material printed inside mouth is crystallized
The discharge port of object from printing mouth is discharged, and entire clear material process, which need not will be printed after mouth is dismantled, clears up, the clear material process of saving,
And operation is simpler, improves production efficiency.
The further setting of the utility model, the lever arm of force and one end of actuator assembling are equipped with along the thick stick
The first sliding groove that the length direction of stick force arm is set, the actuator include being slidedly assemblied in the first sliding groove and drive
The thrust pin that the lever arm of force is rotated around the supporting pin.
By using above-mentioned technical proposal, actuator is stablized in a manner that driving thrust pin moves in the first sliding groove
Property is higher, and when thrust pin moves to end position of the first sliding groove away from supporting pin one end, can not just promote lever force again
Arm rotates, and is set by the length of the first sliding groove, with regard to that can achieve the purpose that the maximum rotation angle to lever arm of force controls.
The further setting of the utility model, the actuator include：It is assemblied on the printing casing, by movement master
The electromagnetic driver that plate control starts；The push rod of traverse motion is done by electromagnetic driver driving；And it is assemblied in institute
State one end of the relatively described electromagnetic driver of push rod and with the connector of the thrust pin fixing assembling.
By using above-mentioned technical proposal, actuator controls electromagnetic driver using chip main board, and passes through push rod, connector
The mode that thrust pin is driven to move reciprocatingly, the final automation that can be realized printing mouth and expect process clearly, substantially increases printing mouth
Clear material rate.
The further setting of the utility model, the lever arm of force and one end of volume pin assembling are equipped with along the lever
The second sliding slot that the length direction of the arm of force is set, slidable fit, which has to rotate with the lever arm of force, in second sliding slot drives institute
It states volume pin and the power pin vertically moved back and forth is done in the vertical chute.
By using above-mentioned technical proposal, when power pin moves to the end position at the second sliding slot both ends, just can not again with
Lever arm of force rotates and does vertical motion, in this way, the length by setting the second sliding slot, vertical contact pin is made with regard to that can reach to volume pin
The purpose that the stroke of movement is controlled.
The further setting of the utility model, the volume pin are made of stainless steel material.
By using above-mentioned technical proposal, the corrosion resistance for the volume pin being made of stainless steel is preferable, reduces
The phenomenon that being mixed into after volume pin corrosion in melting consumptive material and influencing the print quality of product.
The further setting of the utility model, the printing mouth upper end be equipped with for the printing mouth conduction heat with
The heat-conducting block for melting the consumptive material inside the printing mouth, the heat-conducting block are provided with the heat conduction pore passed through for heating tube.
By using above-mentioned technical proposal, heat-conducting block adds printing mouth by being assemblied in the heat-conducting block on printing mouth periphery
Heat, the Temperature Distribution for making printing mouth various places inside is more uniform, less due to local heating's unevenness causes consumptive material easily to crystallize
Influence the phenomenon that consumptive material is normally discharged in printing mouth.
The further setting of the utility model, a kind of 3D printing head, including：The printing mutually assembled with the printing casing
Head pedestal；It is assemblied on the printing head base to convey the feed arrangement of Filamentous consumptive material；It is arranged under the feed arrangement
Side, be provided with to be melted the printing mouth of the material chamber for the Filamentous consumptive material that the feed arrangement conveying comes；And it is assemblied in institute
State the material-clearing device of the 3D printing head on printing head base.
By using above-mentioned technical proposal, Filamentous consumptive material is transported to inside printing mouth by feed arrangement, and Filamentous consumptive material enters
It is heated after in printing mouth to melt, and discharged from the discharge port below printing mouth；When needing to clear up printing mouth, clear material dress
The actuator put starts, and the activation lever arm of force is rotated around supporting pin, is assemblied in the volume pin of the lever arm of force other end with lever arm of force
Rotation move reciprocatingly in a vertical chute of printing casing, at this point, reciprocal insert is done in the lower end of volume pin in printing mouth
Needle movement, will print discharge port discharge of the consumptive material crystal inside mouth from printing mouth, and entire clear material process need not will print mouth
It is cleared up after dismantling, the clear material process of saving, and operation is simpler, improves production efficiency.
The further setting of the utility model, the feed arrangement include：The stepping being assemblied in the printing head base
Motor；It is mutually assembled with the output shaft of the stepper motor and positioned at the driving wheel of Filamentous consumptive material conveying direction one side；And position
Filamentous consumptive material is matched for clamping tightly in the relatively described driving wheel one side of Filamentous consumptive material conveying direction, with the driving wheel and by Filamentous consumptive material
To the driven wheel of the printing mouth conveying.
By using above-mentioned technical proposal, feed arrangement drives driving wheel and driven wheel to rotate by stepper motor, to beating
The mode of the Filamentous consumptive material of mouth conveying is printed, the charging rate of Filamentous consumptive material can be controlled by adjusting the velocity of rotation of stepper motor.
In conclusion the utility model has the advantages that：Filamentous consumptive material is heated after entering in printing mouth to be melted, and
From the discharge port discharge below printing mouth；When needing to clear up printing mouth, the actuator of material-clearing device starts, and drives thick stick
Stick force arm is rotated around supporting pin, and the volume pin for being assemblied in the lever arm of force other end is printing the one of casing with the rotation of lever arm of force
It moves reciprocatingly in the vertical chute, at this point, reciprocal contact pin movement is done in the lower end of volume pin in printing mouth, the consumption inside mouth will be printed
From the discharge port discharge of printing mouth, entire clear material process need not will be printed after mouth is dismantled clears up material crystal, saving it is clear
Material process, and operation is simpler, improves production efficiency.
Description of the drawings
Fig. 1 is the overall structure diagram of 3D printing head in the utility model embodiment；
Fig. 2 is the structure diagram that 3D printing head hides after printing casing in the utility model embodiment；
Fig. 3 is actuator in the utility model embodiment, lever arm of force and the connection relationship diagram for rolling up pin.
Reference numeral：1st, printing head base；2nd, casing is printed；21st, the vertical chute；3rd, material-clearing device；31st, supporting pin；
32nd, lever arm of force；321st, the first sliding groove；322nd, the second sliding slot；33rd, actuator；331st, thrust pin；332nd, electromagnetic driver；
333rd, push rod；334th, connector；34th, pin is rolled up；35th, power pin；41st, driving wheel；42nd, driven wheel；5th, mouth is printed；6th, heat-conducting block；61、
Heat conduction pore；7th, Filamentous consumptive material；The 8th, nut is installed.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
A kind of 3D printing head, as depicted in figs. 1 and 2, including：Printing head base 1 is used on printing head base 1
The feed arrangement of the Filamentous consumptive material 7 of conveying, the printing casing 2 being screwed on printing head base 1 print casing 2
Feed arrangement is covered, the printing mouth 5 for being located at 2 lower section of printing casing is also equipped on printing head base 1, prints and is set in mouth 5
It is equipped with that the material chamber that feed arrangement conveys the Filamentous consumptive material 7 to come is melted, prints and material-clearing device 3 is installed on casing 2, clearly
Material device 3 is used to print discharge port discharge of the consumptive material crystal inside mouth 5 from printing mouth 5.
Material-clearing device 3 includes：The supporting pin 31 printed on casing 2, middle part rolling assembling are fixed in supporting pin 31
Lever arm of force 32 and, for driving the drive that 32 one end of lever arm of force rotates around supporting pin 31 on printing casing 2
Moving part 33.A vertical chute 21 with printing 5 corresponding arrangement of mouth is offered on printing casing 2, dress is slided in the vertical chute 21
Equipped with volume pin 34, the inside of printing mouth 5 is stretched into the lower end of volume pin 34, and it is opposite that volume pin 34 and lever arm of force 32 are equipped with actuator 33
One end fixing assembling and reciprocal contact pin made in the vertical chute 21 move with the rotation of lever arm of force 32.When needs are to printing
When mouth 5 is cleared up, actuator 33 starts, and lever arm of force 32 is driven to be rotated around supporting pin 31, it is another to be assemblied in lever arm of force 32
The volume pin 34 at end moves reciprocatingly with the rotation of lever arm of force 32 in the vertical chute 21, at this point, the lower end of volume pin 34 is printing
Reciprocal contact pin movement is done in mouth 5, discharge port discharge of the consumptive material crystal inside mouth 5 from printing mouth 5 will be printed, entirely expected clearly
Cheng Wuxu will be printed after mouth 5 is dismantled and cleared up, the clear material process of saving, and operation is simpler, improves production efficiency.
Volume pin 34 is made of stainless steel material, and the corrosion resistance of the volume pin 34 of stainless steel material is higher, reduces volume pin
The phenomenon that sundries after 34 corrosion is mixed into melting consumptive material and influences the print quality of product.
Feed arrangement includes：Stepper motor in printing head base 1；Mutually assembled with the output shaft of stepper motor,
And positioned at the driving wheel 41 of Filamentous 7 conveying direction one side of consumptive material；And positioned at Filamentous 7 conveying direction of consumptive material with respect to driving wheel 41
One side is matched for clamping tightly Filamentous consumptive material 7 and the driven wheel 42 for conveying Filamentous consumptive material 7 to printing mouth 5 with driving wheel 41.It is this to beating
Print mouth 5 conveys the feed arrangement of Filamentous consumptive material 7, can be controlled by adjusting the velocity of rotation of stepper motor Filamentous consumptive material 7 into
Expect speed.
5 upper end of printing mouth is arranged with to conduct heat, so as to print leading for the consumptive material thawing inside mouth 5 to printing mouth 5
Heat block 6, the opposite one end for being equipped with printing mouth 5 of heat-conducting block 6 are provided with the heat conduction pore 61 passed through for heating tube.Heat-conducting block 6 is logical
It crosses the heat-conducting block 6 for being centered around 5 periphery of printing mouth to heat to printing mouth 5, makes the Temperature Distribution of 5 various places inside of printing mouth more
Uniformly, it is less to influence to print the phenomenon that consumptive material is normally discharged in mouth 5 due to local heating's unevenness causes consumptive material easily to crystallize.
Actuator 33 includes：The electromagnetic driver for being fixedly mounted on printing casing 2, being started by chip main board control
332；The push rod 333 for doing traverse motion is driven by electromagnetic driver 332；And push rod 333 is fixed on respect to electromagnetic drive
One end of device 332 and the connector 334 being fixedly connected with thrust pin 331.Actuator 33 controls electromagnetic driver using chip main board
332, and in a manner that push rod 333, connector 334 drive thrust pin 331 to move reciprocatingly, it is final to realize that printing mouth 5 is expected clearly
The automation of process improves the clear material rate of printing mouth 5.
It is set as shown in figure 3, lever arm of force 32 is equipped with one end that actuator 33 assembles along the length direction of lever arm of force 32
The first sliding groove 321 put, actuator 33 include being slidedly assemblied in the first sliding groove 321 and drive lever arm of force 32 around supporting pin
31 thrust pins 331 rotated.Actuator 33 is in a manner that driving thrust pin 331 moves in the first sliding groove 321, stability
Height, and when thrust pin 331 moves to end position of the first sliding groove 321 away from 31 one end of supporting pin, can not just promote again
Lever arm of force 32 rotates, and is set by the length of the first sliding groove 321, with regard to can reach to the maximum rotation angle of lever arm of force 32 into
The purpose of row control.
One end that lever arm of force 32 is assembled with volume pin 34 is equipped with the second sliding slot set along the length direction of lever arm of force 32
322, slidable fit, which has, in the second sliding slot 322 rotates that volume pin 34 is driven to be done in the vertical chute 21 is vertical reciprocal with lever arm of force 32
The power pin 35 of movement.It, just can not be again with lever arm of force 32 when power pin 35 moves to the end position at 322 both ends of the second sliding slot
It rotates and does vertical motion, in this way, the length by setting the second sliding slot 322, volume pin 34 is made vertical contact pin fortune with regard to that can reach
The purpose that dynamic stroke is controlled.
The course of work and principle：Filamentous consumptive material 7 is heated into after in printing mouth 5 to be melted, and from the discharging of 5 lower section of printing mouth
Mouth discharge；When needing to clear up printing mouth 5, the actuator 33 of material-clearing device 3 starts, and the activation lever arm of force 32 is around support
Pin 31 rotates, and the volume pin 34 for being assemblied in 32 other end of lever arm of force is erected with the rotation of lever arm of force 32 the one of printing casing 2
It moves reciprocatingly into sliding slot 21, at this point, reciprocal contact pin movement is done in the lower end of volume pin 34 in printing mouth 5, inside printing mouth 5
Consumptive material crystal from the discharge port discharge of printing mouth 5, entire clear material process, which will need not print after mouth 5 is dismantled, clears up, section
The clear material process saved, and operation is simpler, improves production efficiency.
Claims (8)
1. a kind of material-clearing device of 3D printing head is assemblied on printing casing (2), which is characterized in that including：
The supporting pin (31) being assemblied on the printing casing (2)；
Lever arm of force (32) of the rolling assembling in the supporting pin (31)；
The drive for being assemblied in the lever arm of force (32) one end and the lever arm of force (32) being driven to be rotated around the supporting pin (31)
Moving part (33)；And
Activity is assemblied in the vertical chute (21) of an arrangement corresponding with printing mouth (5) of the printing casing (2) and institute
The other end for stating lever arm of force (32) mutually assembles and to stretch into printing mouth (5) internal and with the lever arm of force (32) for its lower end
The axial direction for rotating (21) along the vertical chute does reciprocal contact pin movement, is discharged with that will print the internal consumptive material crystal of mouth (5)
Volume pin (34).
2. a kind of material-clearing device of 3D printing head according to claim 1, which is characterized in that the lever arm of force (32) with
One end of actuator (33) assembling is equipped with the first sliding groove (321) set along the length direction of the lever arm of force (32),
The actuator (33) includes being slidedly assemblied in the first sliding groove (321) and drives the lever arm of force (32) around described
The thrust pin (331) that supporting pin (31) rotates.
A kind of 3. material-clearing device of 3D printing head according to claim 2, which is characterized in that actuator (33) bag
It includes：
The electromagnetic driver (332) for being assemblied on the printing casing (2), being started by chip main board control；
The push rod (333) of traverse motion is done by the electromagnetic driver (332) driving；And
It is assemblied in one end of the relatively described electromagnetic driver (332) of the push rod (333) and is fixed with the thrust pin (331)
The connector (334) of assembling.
4. a kind of material-clearing device of 3D printing head according to claim 1, which is characterized in that the lever arm of force (32) with
One end of volume pin (34) assembling is equipped with the second sliding slot (322) set along the length direction of the lever arm of force (32), institute
Stating the second sliding slot (322) interior slidable fit has with the lever arm of force (32) the rotation drive volume pin (34) in the vertical chute
(21) power pin (35) vertically moved back and forth is done in.
5. the material-clearing device of a kind of 3D printing head according to claim 1, which is characterized in that the volume pin (34) is stainless
Steel material is made.
A kind of 6. material-clearing device of 3D printing head according to claim 1, which is characterized in that described printing mouth (5) upper end
It is equipped with to conduct heat to the printing mouth (5) so that the heat-conducting block (6) that the internal consumptive material of the printing mouth (5) melts,
The heat-conducting block (6) is provided with the heat conduction pore (61) passed through for heating tube.
7. a kind of 3D printing head, which is characterized in that including：
The printing head base (1) mutually assembled with the printing casing (2)；
It is assemblied on the printing head base (1) to convey the feed arrangement of Filamentous consumptive material；
Be arranged on it is below the feed arrangement, be provided with to be melted the feed arrangement conveying
The printing mouth (5) of the material chamber of the Filamentous consumptive material to come over；And
It is assemblied on the printing head base (1), the material-clearing device of 3D printing head as described in any one in claim 1-6
(3)。
8. a kind of 3D printing head according to claim 7, which is characterized in that the feed arrangement includes：
The stepper motor being assemblied in the printing head base (1)；
It is mutually assembled with the output shaft of the stepper motor and positioned at the driving wheel (41) of Filamentous consumptive material conveying direction one side；And
Filamentous consumption is matched for clamping tightly positioned at relatively described driving wheel (41) one side of Filamentous consumptive material conveying direction, with the driving wheel (41)
Material and the driven wheel (42) for conveying Filamentous consumptive material to the printing mouth (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580175.XU CN207416002U (en) | 2017-11-23 | 2017-11-23 | 3D printing head cleaning device and its 3D printing head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721580175.XU CN207416002U (en) | 2017-11-23 | 2017-11-23 | 3D printing head cleaning device and its 3D printing head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207416002U true CN207416002U (en) | 2018-05-29 |
Family
ID=62304471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721580175.XU Expired - Fee Related CN207416002U (en) | 2017-11-23 | 2017-11-23 | 3D printing head cleaning device and its 3D printing head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207416002U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673897A (en) * | 2018-07-28 | 2018-10-19 | 繁昌县众运机械制造有限公司 | A kind of 3D printer sprayer cleaning device |
| CN110076995A (en) * | 2019-05-06 | 2019-08-02 | 安庆师范大学 | A kind of printing equipment with mobile print head |
-
2017
- 2017-11-23 CN CN201721580175.XU patent/CN207416002U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673897A (en) * | 2018-07-28 | 2018-10-19 | 繁昌县众运机械制造有限公司 | A kind of 3D printer sprayer cleaning device |
| CN110076995A (en) * | 2019-05-06 | 2019-08-02 | 安庆师范大学 | A kind of printing equipment with mobile print head |
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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: 20180529 Termination date: 20211123 |