CN210011339U - Printing head of 3D printer - Google Patents
Printing head of 3D printer Download PDFInfo
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- CN210011339U CN210011339U CN201920087517.7U CN201920087517U CN210011339U CN 210011339 U CN210011339 U CN 210011339U CN 201920087517 U CN201920087517 U CN 201920087517U CN 210011339 U CN210011339 U CN 210011339U
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Abstract
The utility model discloses a printer head is beaten of 3D printer, including the face guard, be equipped with the fixed plate in the face guard, one side of fixed plate is equipped with the fan, and the opposite side is equipped with feeding unit and ejection of compact subassembly, is equipped with the circuit board in the top of fixed plate, being equipped with all around of fixed plate and supplying the fixed round hole of fan, the top of fixed plate is equipped with fixed circuit board's first support, and the centre of fixed plate is equipped with fixed feeding unit's second support, and the bottom of fixed plate is equipped with and supplies the fixed screw hole of ejection. The utility model discloses the printer head that beats of 3D printer that obtains, its technological effect is the cooperation of simplifying between the spare part, saves space, realizes stabilizing work. The fan, the circuit board, the feeding assembly and the discharging assembly are all integrated together through the fixing plate, and the compactness of the printer is improved. And the improved structure of the mask also improves the heat dissipation performance better.
Description
Technical Field
The utility model relates to a 3D printer subassembly, especially 3D printer beat printer head.
Background
The material of the 3D printer is typically a thermoplastic material, such as ABS or PC plastic, fed in filament form. The material is heated and melted in the spray head, and then the spray head moves along the section outline and the filling track of the part and extrudes the melted material. The extruded material is rapidly solidified in the air, and is bonded and stacked with the surrounding material, so that a complete solid part is formed.
The printing head of the existing 3D printer generally comprises a feeding component and a discharging component, wherein each scattered component is more, the structure is complex and difficult to install, and all the parts are arranged at the printing head, so that the heat dissipation performance cannot meet the requirements of customers.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compact structure, the good 3D printer of heat dispersion beat printer head in order to solve above-mentioned prior art not enough.
In order to achieve the above purpose, the printing head of the 3D printer comprises a face mask, a fixed plate is arranged in the face mask, one side of the fixed plate is provided with a fan, the other side of the fixed plate is provided with a feeding assembly and a discharging assembly, a circuit board is arranged above the fixed plate, first round holes for fixing the fan are arranged around the fixed plate, a first bracket for fixing the circuit board is arranged at the top of the fixed plate, a second bracket for fixing the feeding assembly is arranged in the middle of the fixed plate, a threaded hole for fixing the discharging assembly is arranged at the bottom of the fixed plate,
the feeding assembly comprises a transmission motor and a feeding base plate, the transmission motor is fixed on the second support of the fixing plate, and the feeding base plate is fixed on the transmission motor;
the discharging component comprises a heating plate and a heating head, the heating plate is composed of a transverse plate and a vertical plate which are integrally formed, the transverse plate and the vertical plate are mutually perpendicular, the transmission motor is fixed on a vertical angle formed between the transverse plate and the vertical plate, and the transverse plate is matched and connected with a threaded hole of the fixing plate.
The feeding assembly is characterized in that a motor shaft is arranged on a transmission motor of the feeding assembly, the motor shaft penetrates through a feeding base plate and is sleeved with a gear, the feeding base plate is composed of a limiting plate and a roller plate which are integrally formed, an arc-shaped groove is formed in the limiting plate, a limiting switch is clamped on the arc-shaped groove and comprises a first inductor, a first elastic sheet and a contact, a feeding channel is arranged inside the limiting plate, and the feeding channel just passes through the maximum radian of the arc-shaped groove and abuts against the contact of the limiting switch;
the roller plate is sleeved with a roller, a circular groove is formed in the roller, the circular groove of the roller is matched with the gear to form a feeding channel, and the feeding channel is communicated with the feeding channel.
A row of first radiating fins are arranged on a transverse plate of the discharging assembly, a row of second radiating fins are arranged on a vertical plate, a distance inductor and a contact switch are further arranged on the vertical plate, and the distance inductor is fixed on the rear side of the vertical plate through a fixing piece; the contact switch comprises a second inductor and a second elastic sheet, the inductor is positioned on the side edge of the vertical plate, the end surface of the inductor is flush with the end surface of the vertical plate, and the second elastic sheet is exposed outside;
the distance sensor is used for detecting the distance between the heating head and the product.
The contact switch is a contact switch for restoring the print head to the origin.
An upper sharp corner is arranged in the middle of the vertical plate, a second round hole is arranged at the upper sharp corner and faces the feeding channel of the feeding assembly, a slotted hole is arranged in the vertical plate and is communicated with the second round hole, and an internal thread is arranged on the slotted hole,
the heating head includes the heater, the one end of heater is equipped with the heating screw rod, and the other end is equipped with extrudes the head, is equipped with logical groove in the inside of heating screw rod, is equipped with the discharge opening in the inside of extruding the head, and the outside of above-mentioned heating screw rod is equipped with the external screw thread, the external screw thread forms discharging channel with interior screw-thread fit in the above-mentioned riser, and second round hole in the above-mentioned heating panel, slotted hole and the logical groove in the heating head and discharge opening form discharging channel jointly.
The bottom of the limiting plate of the feeding assembly is provided with a lower sharp corner, the feeding channel is positioned at the center of the lower sharp corner, and the upper sharp corner of the heat dissipation plate of the discharging assembly is opposite to the lower sharp corner and forms a limiting cavity for placing the roller and the gear together.
The face guard is one side open-ended square box body, the bottom of square box body is equipped with the guide way, the notch of guide way is equipped with the draw-in groove towards the opening direction of square box body in the guide way both sides, the draw-in groove joint has the guide vane, form the air outlet between guide vane and the guide way.
The inner wall of the face mask is provided with more than two magnet blocks, and the magnet blocks are matched with the fixing plates for magnetic attraction.
The first support is composed of three bending surfaces arranged in the interval direction.
In the use process, the printing material that prints 3D passes feed channel and pay-off passageway in proper order, and wherein the printing material must offset with limit switch's contact when passing the arc wall to detect whether printing material exists the disconnected material condition. And the last first flexure strip of limit switch still can be used to adjust the feeding elasticity of the printing material that 3D printed in this patent to can smoothly accomplish the pay-off. When the transmission motor starts, the driving gear rotates, and when printing materials enter the feeding channel, the printing materials are driven by the gear and the roller to be conveyed downwards, and then the printing materials reach the discharging position of the printing head. And finally, the printing material printed by the 3D printing sequentially passes through a second round hole and a slotted hole in the heating panel and a discharge channel formed by a through groove and a discharge hole in the heating head, and then smooth discharge can be realized.
In addition, the cooperation is inhaled to magnetism through magnet piece and fixed plate on the face guard, fix the face guard on 3D printer head, when 3D printer during operation, the fan that is located on beating printer head can start work, some wind of fan can pass through 3D printer beat printer head, dispel the heat to it, then go out from the heat dissipation strip hole of face guard top, some wind can flow out at the air outlet that bottom guide way and guide piece formed, the printing piece that prints out to the 3D printer carries out the thermolysis, thereby improve printing efficiency.
The utility model discloses the printer head that beats of 3D printer that obtains, its technological effect is the cooperation of simplifying between the spare part, saves space, realizes stabilizing work. The fan, the circuit board, the feeding assembly and the discharging assembly are all integrated together through the fixing plate, and the compactness of the printer is improved. And the improved structure of the mask also improves the heat dissipation performance better.
Drawings
Fig. 1 is a schematic structural view of a print head of a 3D printer of embodiment 1;
fig. 2 is an exploded view of a print head of the 3D printer of embodiment 1;
fig. 3 is a schematic structural view of a fixing plate in a print head of the 3D printer of embodiment 1;
fig. 4 is a schematic structural diagram of a feeding assembly of a printing head of the 3D printer of embodiment 1;
fig. 5 is an exploded view of a feeding assembly of a print head of the 3D printer of embodiment 1;
fig. 6 is a schematic structural diagram of a discharging assembly of a printing head of the 3D printer of embodiment 1;
fig. 7 is an exploded view of the discharge assembly of the print head of the 3D printer of embodiment 1.
In the figure: the mask comprises a mask 1, a fixing plate 2, a fan 3, a circuit board 4, a gear 5, a limiting plate 6, a roller plate 7, an arc-shaped groove 8, a limiting switch 9, a feeding component 10, a transmission motor 11, a feeding substrate 12, a roller 13, a circular groove 14, a sharp corner 15, a discharging component 20, a heat dissipation plate 21, a heating head 22, a transverse plate 23, a vertical plate 24, a first heat dissipation plate 25, a second heat dissipation plate 26, a distance inductor 27, a contact switch 28, a fixing component 29, a second inductor 30, a second elastic sheet 31, a sharp corner 32, a second circular hole 33, a heater 34, a heating screw 35, an extrusion head 36, a through groove 37, an external thread 38, a first circular hole 41, a first support 42, a second support 43, a threaded hole 44, a bending surface 45, a first inductor 51, a first elastic sheet 52, a contact 53, a guide groove 61, a clamping groove 62, a guide sheet.
Detailed Description
The present invention will be further explained with reference to the drawings and examples.
Example 1:
as shown in fig. 1 to 7, the print head of the 3D printer provided in this embodiment includes a face mask 1, a fixing plate 2 is disposed in the face mask 1, a fan 3 is disposed on one side of the fixing plate 2, a feeding assembly 10 and a discharging assembly 20 are disposed on the other side of the fixing plate, a circuit board 4 is disposed above the fixing plate 2, first circular holes 41 for fixing the fan 3 are disposed around the fixing plate 2, a first bracket 42 for fixing the circuit board 4 is disposed at the top of the fixing plate 2, a second bracket 43 for fixing the feeding assembly 10 is disposed in the middle of the fixing plate 2, a threaded hole 44 for fixing the discharging assembly 20 is disposed at the bottom of the fixing plate 2,
the feeding assembly 10 comprises a transmission motor 11 and a feeding substrate 12, the transmission motor 11 is fixed on the second bracket 43 of the fixing plate 2, and the feeding substrate 12 is fixed on the transmission motor 11;
the discharging component 20 comprises a heat dissipation plate 21 and a heating head 22, the heat dissipation plate 21 is composed of a transverse plate 23 and a vertical plate 24 which are integrally formed, the transverse plate 23 is perpendicular to the vertical plate 24, the transmission motor 11 is fixed on a vertical angle formed between the transverse plate 23 and the vertical plate 24, and meanwhile, the transverse plate 23 is matched and connected with the threaded hole 44 of the fixing plate 2.
A motor shaft is arranged on a transmission motor 11 of the feeding assembly 10, the motor shaft penetrates through a feeding base plate 12 and is sleeved with a gear 5, the feeding base plate 12 is composed of a limiting plate 6 and a roller plate 7 which are integrally formed, an arc-shaped groove 8 is arranged on the limiting plate 6, a limiting switch 9 is clamped on the arc-shaped groove 8, the limiting switch 9 comprises a first inductor 51, a first elastic sheet 52 and a contact 53, a feeding channel is arranged inside the limiting plate 6, and the feeding channel just passes through the maximum radian of the arc-shaped groove 8 and abuts against the contact 53 of the limiting switch 9;
the roller plate 7 is sleeved with a roller 13, the roller 13 is provided with a circular groove 14, the circular groove 14 of the roller 13 is matched with the gear 5 to form a feeding channel, and the feeding channel is communicated with the feeding channel.
A transverse plate 23 of the discharging component 20 is provided with a row of first radiating fins 25, a vertical plate 24 is provided with a row of second radiating fins 26, the vertical plate 24 is also provided with a distance inductor 27 and a contact switch 28, and the distance inductor 27 is fixed on the rear side of the vertical plate 24 through a fixing piece 29; the contact switch 28 comprises a second inductor 30 and a second elastic sheet 31, the inductor 30 is positioned at the side edge of the vertical plate 24, the end surface of the inductor 30 is flush with the end surface of the vertical plate 24, and the second elastic sheet 31 is exposed outside;
an upper sharp corner 32 is arranged in the middle of the vertical plate 24, a second round hole 33 is arranged at the upper sharp corner 32, the second round hole 33 is opposite to the feeding channel of the feeding assembly 10, a slotted hole is arranged inside the vertical plate 24, the slotted hole is communicated with the second round hole 33, and an internal thread is arranged on the slotted hole,
The bottom of the limiting plate 6 of the feeding assembly 10 is provided with a lower sharp corner 15, the feeding channel is positioned at the center of the lower sharp corner 15, the upper sharp corner 32 of the heat dissipation plate 21 of the discharging assembly 20 is opposite to the lower sharp corner 15, and a limiting cavity for placing the roller 13 and the gear 5 is formed jointly.
The face guard 1 is a square box body with an opening on one side, a guide groove 61 is arranged at the bottom of the square box body, a clamping groove 62 is arranged on two sides of the guide groove 61 towards the opening direction of the square box body at the notch of the guide groove 61, a guide sheet 63 is connected with the clamping groove 62 in a clamped mode, and an air outlet is formed between the guide sheet 63 and the guide groove 61.
The inner wall of the face mask 1 is provided with more than two magnet blocks 64, and the magnet blocks 64 are matched with the fixing plate 2 for magnetic attraction.
The first bracket 42 is composed of three bending surfaces 45 arranged at intervals.
In the using process, the printing material for 3D printing sequentially passes through the feeding channel and the feeding channel, wherein the printing material is abutted against the contact 53 of the limit switch 9 when passing through the arc-shaped groove 8, so that whether the printing material is broken or not is detected. And first flexure strip 52 on limit switch 9 still can be used to adjust the feeding elasticity of the printing material that 3D printed in this patent to can accomplish the pay-off smoothly. When the transmission motor 11 is started, the gear 5 is driven to rotate, and when printing materials enter the feeding channel, the printing materials are driven by the gear 5 and the roller 13 to be conveyed downwards and then reach the discharging position of the printing head. Finally, the 3D printed printing material sequentially passes through the second circular hole 33 and the slot hole 34 in the heat dissipation plate 21 and the discharge channel formed by the through groove 37 and the discharge hole in the heating head 22, and then smooth discharge can be realized.
Claims (7)
1. The utility model provides a printer head of 3D printer, includes face guard (1), its characterized in that: a fixing plate (2) is arranged in the face mask (1), a fan (3) is arranged on one side of the fixing plate (2), a feeding component (10) and a discharging component (20) are arranged on the other side of the fixing plate, a circuit board (4) is arranged above the fixing plate (2), first round holes (41) for fixing the fan (3) are formed in the periphery of the fixing plate (2), a first support (42) for fixing the circuit board (4) is arranged at the top of the fixing plate (2), a second support (43) for fixing the feeding component (10) is arranged in the middle of the fixing plate (2), threaded holes (44) for fixing the discharging component (20) are formed in the bottom of the fixing plate (2),
the feeding assembly (10) comprises a transmission motor (11) and a feeding base plate (12), the transmission motor (11) is fixed on the second support (43) of the fixing plate (2), and the feeding base plate (12) is fixed on the transmission motor (11);
the discharging assembly (20) comprises a heat dissipation plate (21) and a heating head (22), the heat dissipation plate (21) is composed of a transverse plate (23) and a vertical plate (24) which are integrally formed, the transverse plate (23) and the vertical plate (24) are perpendicular to each other, the transmission motor (11) is fixed on a vertical angle formed between the transverse plate (23) and the vertical plate (24), and meanwhile the transverse plate (23) is matched and connected with a threaded hole (44) of the fixing plate (2).
2. The print head of the 3D printer of claim 1, wherein: a motor shaft is arranged on a transmission motor (11) of the feeding assembly (10), the motor shaft penetrates through a feeding base plate (12) and is sleeved with a gear (5), the feeding base plate (12) is composed of a limiting plate (6) and a roller plate (7) which are integrally formed, an arc-shaped groove (8) is formed in the limiting plate (6), a limiting switch (9) is clamped on the arc-shaped groove (8), the limiting switch (9) comprises a first inductor (51), a first elastic sheet (52) and a contact (53), a feeding channel is arranged inside the limiting plate (6), and the feeding channel just passes through the maximum radian of the arc-shaped groove (8) and abuts against the contact (53) of the limiting switch (9);
the roller plate (7) is sleeved with a roller (13), a round groove (14) is formed in the roller (13), the round groove (14) of the roller (13) is matched with the gear (5) to form a feeding channel, and the feeding channel is communicated with the feeding channel.
3. The print head of the 3D printer of claim 2, wherein: a transverse plate (23) of the discharging assembly (20) is provided with a row of first radiating fins (25), a vertical plate (24) is provided with a row of second radiating fins (26), the vertical plate (24) is also provided with a distance inductor (27) and a contact switch (28), and the distance inductor (27) is fixed on the rear side of the vertical plate (24) through a fixing piece (29); the contact switch (28) comprises a second inductor (30) and a second elastic sheet (31), the inductor (30) is positioned on the side edge of the vertical plate (24), the end surface of the inductor (30) is flush with the end surface of the vertical plate (24), and the second elastic sheet (31) is exposed outside;
an upper sharp corner (32) is arranged in the middle of the vertical plate (24), a second round hole (33) is arranged at the upper sharp corner (32), the second round hole (33) is opposite to the feeding channel of the feeding component (10), a slotted hole is arranged inside the vertical plate (24), the slotted hole is communicated with the second round hole (33), and an internal thread is arranged on the slotted hole,
heating head (22) are including heater (34), the one end of heater (34) is equipped with heating screw (35), and the other end is equipped with extrudes head (36), is equipped with logical groove (37) in the inside of heating screw (35), is equipped with the discharge opening in the inside of extruding head (36), and the outside of above-mentioned heating screw (35) is equipped with external screw thread (38), interior screw-thread fit in external screw thread (38) and above-mentioned riser (24), and second round hole (33) in the above-mentioned heating panel (21), slotted hole and logical groove (37) and the discharge opening in heating head (22) form discharge passage jointly.
4. A print head of a 3D printer according to claim 3, characterized in that: the bottom of limiting plate (6) of pay-off subassembly (10) is equipped with down closed angle (15), and above-mentioned feedstock channel is located the center of closed angle (15) down, last closed angle (32) of heating panel (21) of ejection of compact subassembly (20) set up with closed angle (15) is relative down to form the spacing chamber that is used for placing gyro wheel (13) and gear (5) jointly.
5. The print head of the 3D printer of claim 1, wherein: face guard (1) is one side open-ended square box body, the bottom of square box body is equipped with guide way (61), the notch of guide way (61) is equipped with draw-in groove (62) towards the opening direction of square box body in guide way (61) both sides, draw-in groove (62) joint has direction piece (63), form the air outlet between direction piece (63) and guide way (61).
6. The print head of the 3D printer of claim 5, wherein: the inner wall of the face mask is provided with more than two magnet blocks (64), and the magnet blocks (64) are matched with the fixing plate (2) for magnetic attraction.
7. The print head of the 3D printer of claim 1, wherein: the first support (42) is composed of three bending surfaces (45) arranged in the interval direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920087517.7U CN210011339U (en) | 2019-01-19 | 2019-01-19 | Printing head of 3D printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920087517.7U CN210011339U (en) | 2019-01-19 | 2019-01-19 | Printing head of 3D printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210011339U true CN210011339U (en) | 2020-02-04 |
Family
ID=69312443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920087517.7U Active CN210011339U (en) | 2019-01-19 | 2019-01-19 | Printing head of 3D printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210011339U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536745A (en) * | 2022-02-17 | 2022-05-27 | 深圳福天文化科技有限公司 | 3D printing device |
-
2019
- 2019-01-19 CN CN201920087517.7U patent/CN210011339U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114536745A (en) * | 2022-02-17 | 2022-05-27 | 深圳福天文化科技有限公司 | 3D printing device |
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