CN111745966A - Prevent stifled carbon fiber 3D and print - Google Patents
Prevent stifled carbon fiber 3D and print Download PDFInfo
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- CN111745966A CN111745966A CN202010640523.8A CN202010640523A CN111745966A CN 111745966 A CN111745966 A CN 111745966A CN 202010640523 A CN202010640523 A CN 202010640523A CN 111745966 A CN111745966 A CN 111745966A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/20—Apparatus for additive manufacturing; Details thereof or accessories therefor
- B29C64/227—Driving means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y30/00—Apparatus for additive manufacturing; Details thereof or accessories therefor
Abstract
The invention relates to the field of 3D printing, in particular to anti-blocking carbon fiber 3D printing, which comprises a 3D printer driving frame, a replaceable printing plate, a printing driver, a printing movable nozzle, a rotary nozzle and two temporary dredgers, wherein the replaceable printing plate is connected in the 3D printer driving frame in a sliding manner, the printing driver is connected on the 3D printer driving frame in a rotating manner, the printing movable nozzle is connected on the printing driver in a sliding manner through thread matching, the rotary nozzle is connected at the lower end of the printing movable nozzle in a rotating manner, and the two temporary dredgers are respectively and fixedly connected on two sides of the inner wall of the 3D printer driving frame; the invention has the beneficial effects that through software program design, the spray head is driven to move front and back, left and right, and 3D printing is realized; long-time printing easily causes the nozzle wall built-up, influences printing, dredges the nozzle automatically to assigned position through periodic drive shower nozzle, guarantee printing effect.
Description
Technical Field
The invention relates to the field of 3D printing, in particular to anti-blocking carbon fiber 3D printing.
Background
Patent No. CN201410809981.4 discloses a freely movable 3D printing robot. The device comprises an all-directional mobile platform mechanism, a Z-axis lifting mechanism, a 3D printing mechanism and a feedback/communication/control circuit. The all-direction movement printing device is characterized in that a Z-axis lifting mechanism is fixedly connected to the all-direction movement platform mechanism, a 3D printing mechanism is fixedly connected to the Z-axis lifting mechanism, a feedback/communication/control circuit is simultaneously installed on the all-direction movement platform mechanism, and the all-direction movement platform mechanism and the Z-axis lifting mechanism are controlled by the feedback/communication/control circuit to drive the 3D printing mechanism to print a long-strip-shaped object without size limitation in a three-dimensional space. The three-dimensional printing robot has the characteristics of compact structure, small size, no limitation of the size of a printing object of a traditional 3D printer, high movement flexibility and high printing speed, realizes the cooperative communication of any multiple printing robots, and further enhances the 3D printing efficiency. It is especially suitable for the low-cost and high-efficiency printing of long-distance long objects such as building walls. But this device does not effectively deal with print head clogging.
Disclosure of Invention
The invention aims to provide anti-blocking carbon fiber 3D printing, which has the beneficial effects that through software program design, a spray head is driven to move front and back, left and right, so that 3D printing is realized; long-time printing easily causes the nozzle wall built-up, influences printing, dredges the nozzle automatically to assigned position through periodic drive shower nozzle, guarantee printing effect.
The purpose of the invention is realized by the following technical scheme:
the invention aims to provide anti-blocking carbon fiber 3D printing, which comprises a 3D printer driving frame, a replaceable printing plate, a printing driver, a printing moving sprayer, a rotary nozzle and two temporary dredgers, wherein the replaceable printing plate is connected in the 3D printer driving frame in a sliding mode, the printing driver is connected on the 3D printer driving frame in a rotating mode, the printing moving sprayer is connected on the printing driver in a sliding mode through thread matching, the rotary nozzle is connected at the lower end of the printing moving sprayer in a rotating mode, the two temporary dredgers are fixedly connected to two sides of the inner wall of the 3D printer driving frame respectively, the printing moving sprayer is in clearance fit in the temporary dredgers, and the rotary nozzle is connected on the temporary dredgers through thread matching.
As a further optimization of the invention, the 3D printer driving frame comprises a bottom plate, a support plate sliding groove, two fixed sliding seats, a left sliding groove and a right through sliding groove, the support plate sliding groove is arranged at the right end of the bottom plate, the two fixed sliding seats are respectively and fixedly connected to the left side and the right side of the upper end of the bottom plate, and the left sliding groove and the right through sliding groove are respectively arranged on the two fixed sliding seats.
As a further optimization of the present invention, the replaceable printing plate is slidably connected in the slide groove of the carriage plate.
As a further optimization of the invention, the printing driver comprises a front-back driving motor, a left driving toothed bar, a main driving belt pulley, a secondary driving belt pulley, a right driving toothed bar, a left spiral driving slide seat, a right spiral driving slide seat, a left driving screw rod, a left sliding rod, a right sliding rod and a left driving motor, wherein the front-back driving motor is fixedly connected at the front end of the fixed slide seat through a fixed seat, the left driving toothed bar is connected with a transmission shaft of the front-back driving motor through a coupling, the left driving toothed bar and the right driving toothed bar are respectively and rotatably connected in the left chute and the right through chute, the main driving belt pulley and the secondary driving belt pulley are respectively and fixedly connected at the front ends of the left driving toothed bar and the right driving toothed bar, the main driving belt pulley is connected with the secondary driving belt pulley through belt transmission, the left spiral driving slide seat and the right spiral driving, the left and right driving screws are rotatably connected between the left spiral driving slide seat and the right spiral driving slide seat, the left and right slide rods are fixedly connected between the left spiral driving slide seat and the right spiral driving slide seat, the left and right driving motors are fixedly connected on the right spiral driving slide seat, and the left and right driving motors are connected with the left and right driving screws through gear transmission.
As a further optimization of the invention, the printing mobile spray head comprises a carbon fiber adding box body, a central driving slide seat, a left and right driving threaded hole, a limiting slide hole, two fixing plates, two fixing slide shafts, two extrusion slide seats, an extrusion jack, two extrusion springs and two L-shaped racks, wherein the carbon fiber adding box body is fixedly connected to the upper end of the central driving slide seat, the left and right driving threaded hole and the limiting slide hole are both arranged on the central driving slide seat in a left and right penetrating manner, the central driving slide seat is respectively and slidably connected to a left and right driving screw rod and a left and right slide rod through the left and right driving threaded hole and the limiting slide hole, the two fixing plates are respectively and fixedly connected to two sides of the lower end of the central driving slide seat, the two fixing slide shafts are respectively and fixedly connected to the two fixing plates, the two extrusion, the extrusion spring sets up between extrusion slide and fixed plate, and two L shape rack fixed connection are respectively at the lower extreme of two extrusion slides, and L shape rack sliding connection is in the fixed plate.
As a further optimization of the invention, the upper end of the rotary nozzle is rotatably connected and communicated with the middle end of the central driving sliding seat, the outer wall of the rotary nozzle is fixedly connected with a dredging rotating gear, and two ends of the dredging rotating gear are respectively meshed with the two L-shaped racks for transmission.
As a further optimization of the invention, the temporary dredger comprises an extension fixing seat, an insertion groove, a driving slide rod, a driving top plate, a driving spring, a driving rack, a driving fluted disc, a driving rotating shaft, a dredging top plate, a fixed threaded through and an insertion block, wherein the extension fixing seat is fixedly connected to the fixed sliding seat, the insertion groove is arranged at the middle end of the extension fixing seat, the driving slide rod is slidably connected in the extension fixing seat, two ends of the driving top plate are slidably connected in the insertion groove through a sliding block, the driving spring is sleeved on the driving slide rod, and the driving spring is arranged between the fixed sliding seat and the driving top plate.
As a further optimization of the invention, the temporary dredger further comprises a driving rack, a driving fluted disc, a driving rotating shaft, a dredging top plate, a fixed threaded cylinder and an insert block, wherein the driving rack is fixedly connected to the lower end of the driving top plate, the driving rack is meshed with the driving fluted disc for transmission, the driving fluted disc is rotatably connected to the driving rotating shaft, the driving rotating shaft is fixedly connected to the lower end of the extension fixing seat, the upper end of the dredging top plate is fixedly connected to the eccentric position of the driving fluted disc, the fixed threaded cylinder is fixedly connected to the dredging top plate, and the insert block is fixedly connected in the fixed threaded cylinder.
As a further refinement of the invention, the insert is a clearance fit in the rotary nozzle.
As a further optimization of the invention, the inner wall of the fixed threaded cylinder is in threaded fit connection with the outer wall of the rotary nozzle.
By adopting the technical scheme provided by the invention, compared with the prior art, the printing device has the following beneficial effects that the 3D printer drives the framework, the replaceable printing plate, the printing driver, the printing movable nozzle, the rotary nozzle and the two temporary dredgers to drive the nozzle to move front and back and left and right through software program design, so that 3D printing is realized; long-time printing easily causes the nozzle wall built-up, influences printing, dredges the nozzle automatically to assigned position through periodic drive shower nozzle, guarantee printing effect.
Drawings
FIG. 1 is a first general structural diagram of the present invention;
FIG. 2 is a second overall structural schematic of the present invention;
FIG. 3 is a schematic diagram of the structure of the 3D printer driver framework of the present invention;
FIG. 4 is a second schematic structural diagram of the print driver of the present invention;
FIG. 5 is a schematic structural diagram I of a printing moving nozzle according to the present invention;
FIG. 6 is a second schematic structural view of a movable print head according to the present invention;
FIG. 7 is a first structural view of the temporary dredger of the invention;
FIG. 8 is a second structural view of the temporary dredger of the present invention;
fig. 9 is a third structural schematic diagram of the temporary dredger of the invention.
In the figure: a 3D printer driver frame 1; a bottom plate 1-1; a support plate chute 1-2; a fixed slide 1-3; 1-4 of a left chute; a right through chute 1-5; the printing plate 2 can be replaced; a print driver 3; a front and rear driving motor 3-1; a left drive rack 3-2; a main drive pulley 3-3; a driven pulley 3-4; 3-5 of a right driving toothed bar; a left screw driving slide carriage 3-6; a right screw drive slide 3-7; left and right driving screws 3-8; 3-9 of left and right slide bars; 3-10 of left and right driving motors; a printing movable nozzle 4; 4-1 of a carbon fiber adding box body; a central drive slide 4-2; a left driving threaded hole and a right driving threaded hole 4-3; 4-4 of a limiting slide hole; fixing plates 4-5; 4-6 of a fixed sliding shaft; 4-7 of an extrusion sliding seat; 4-8 of extruding the jack; 4-9 parts of an extrusion spring; 4-10 of an L-shaped rack; a rotating nozzle 5; dredging a rotating gear 5-1; a temporary dredger 6; an extension fixing seat 6-1; 6-2 of an insertion groove; driving the slide bar 6-3; driving the top plate 6-4; 6-5 of a driving spring; driving a rack 6-6; a driving fluted disc 6-7; driving a rotating shaft 6-8; 6-9 of dredging the top plate; 6-10 parts of a fixed threaded connector; and 6-11 plug blocks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The fixed connection in the device can be fixed by welding, thread fixing and the like, the rotary connection can be realized by baking the bearing on a shaft, a spring retainer groove or an inter-shaft baffle is arranged on the shaft or a shaft hole, the axial fixation of the bearing is realized by clamping an elastic retainer ring in the spring retainer groove or the inter-shaft baffle, and the rotation is realized by the relative sliding of the bearing; different connection modes are used in combination with different use environments.
The first embodiment is as follows:
as shown in fig. 1-9, an anti-blocking carbon fiber 3D prints, including 3D printer driving frame 1, removable being carry printing plate 2, print driver 3, print removal shower nozzle 4, rotating nozzle 5 and two interim dredgers 6, removable being carry printing plate 2 sliding connection in 3D printer driving frame 1, print driver 3 and rotate to connect on 3D printer driving frame 1, print removal shower nozzle 4 and pass through screw-thread fit sliding connection on printing driver 3, rotating nozzle 5 rotates to connect the lower extreme at printing removal shower nozzle 4, two interim dredgers 6 are fixed connection respectively in the both sides of 3D printer driving frame 1 inner wall, print removal shower nozzle 4 clearance fit in interim dredgers 6, rotating nozzle 5 passes through screw-thread fit and connects on interim dredgers 6. The carbon fiber raw materials are continuously added to the printing movable nozzle 4, the printing driver 3 drives the printing movable nozzle 4 to move back and forth and left and right on the 3D printer driving frame 1, 3D printing of carbon fiber addition is further achieved, the printing movable nozzle is printed on the replaceable printing plate 2, when long-time printing causes wall hanging in the rotary nozzle 5, the printing movable nozzle 4 can be regularly driven to extrude into the two temporary dredgers 6, the temporary dredgers 6 are driven to dredge the rotary nozzle 5, further, through software program design, the nozzle is driven to move back and forth and left and right, and 3D printing is achieved; long-time printing easily causes the nozzle wall built-up, influences printing, dredges the nozzle automatically to assigned position through periodic drive shower nozzle, guarantee printing effect.
The second embodiment is as follows:
as shown in fig. 1 to 9, the embodiment further illustrates the first embodiment, the driving frame 1 of the 3D printer includes a bottom plate 1-1, a carrier plate sliding groove 1-2, two fixed sliding seats 1-3, a left sliding groove 1-4 and a right through sliding groove 1-5, the carrier plate sliding groove 1-2 is disposed at the right end of the bottom plate 1-1, the two fixed sliding seats 1-3 are respectively and fixedly connected to the left and right sides of the upper end of the bottom plate 1-1, and the left sliding groove 1-4 and the right through sliding groove 1-5 are respectively disposed on the two fixed sliding seats 1-3.
The third concrete implementation mode:
as shown in fig. 1 to 9, in the second embodiment, the replaceable printing plate 2 is slidably connected in the carriage plate sliding groove 1-2. The fashioned product of will printing falls in the removable printing plate 2 that is year that is, is through the removable printing plate 2 that carries and conveniently takes and dismantle. .
The fourth concrete implementation mode:
as shown in fig. 1 to 9, the third embodiment is further described in the present embodiment, the print driver 3 includes a front and rear driving motor 3-1, a left driving rack bar 3-2, a main driving pulley 3-3, a sub driving pulley 3-4, a right driving rack bar 3-5, a left screw driving slide 3-6, a right screw driving slide 3-7, a left and right driving screw 3-8, a left and right slide bar 3-9, and a left and right driving motor 3-10, the front and rear driving motor 3-1 is fixedly connected to the front end of the fixed slide 1-3 through a fixing base, the left driving rack bar 3-2 is connected to a transmission shaft of the front and rear driving motor 3-1 through a coupling, the left driving rack bar 3-2 and the right driving rack bar 3-5 are respectively rotatably connected to the left chute 1-4 and the right chute 1-5, a main driving belt pulley 3-3 and a secondary driving belt pulley 3-4 are respectively fixedly connected at the front ends of a left driving toothed bar 3-2 and a right driving toothed bar 3-5, the main driving belt pulley 3-3 is connected with a secondary driving belt pulley 3-4 through belt transmission, a left screw driving slide carriage 3-6 and a right screw driving slide carriage 3-7 are respectively connected with the left driving toothed bar 3-2 and the right driving toothed bar 3-5 through thread fit, a left driving screw 3-8 is rotationally connected between the left screw driving slide carriage 3-6 and the right screw driving slide carriage 3-7, a left sliding bar 3-9 is fixedly connected between the left screw driving slide carriage 3-6 and the right screw driving slide carriage 3-7, a left driving motor 3-10 is fixedly connected on the right screw driving slide carriage 3-7, the left and right driving motors 3-10 are connected with the left and right driving screws 3-8 through gear transmission. The front and back driving motor 3-1 drives the left driving rack bar 3-2 to rotate, and further drives the driven driving belt pulley 3-4 and the right driving rack bar 3-5 to rotate in the same direction through the main driving belt pulley 3-3, thereby driving the left screw driving sliding seat 3-6 and the right screw driving sliding seat 3-7 to synchronously move back and forth, further drives the center to drive the sliding seat 4-2 and the rotary nozzle 5 to move back and forth through the left and right driving screws 3-8 and the left and right sliding rods 3-9, the left and right driving screws 3-8 are driven to rotate by the left and right driving motors 3-10, and then the central driving sliding seat 4-2 and the rotary nozzle 5 are driven to move left and right on the left and right driving screw rods 3-8 and the left and right sliding rods 3-9, and 3D printing of displacement in the front, back, left and right directions is realized through program control driving.
The fifth concrete implementation mode:
as shown in FIGS. 1 to 9, the fourth embodiment is further described in the present embodiment, the printing mobile nozzle 4 includes a carbon fiber adding box 4-1, a central driving slide 4-2, left and right driving threaded holes 4-3, a limiting slide hole 4-4, two fixing plates 4-5, two fixing slide shafts 4-6, two extruding slides 4-7, an extruding jack 4-8, two extruding springs 4-9 and two L-shaped racks 4-10, the carbon fiber adding box 4-1 is fixedly connected to the upper end of the central driving slide 4-2, the left and right driving threaded holes 4-3 and the limiting slide hole 4-4 are both arranged on the central driving slide 4-2 in a left-right penetrating manner, the central driving slide 4-2 is respectively connected to the left and right driving screws 3-8 and the left and right slide bars 3-4 through the left and right driving threaded holes 4-3 and the limiting slide holes 4-4 in a sliding manner 3-9, two fixed plates 4-5 are respectively and fixedly connected with two sides of the lower end of a central driving slide seat 4-2, two fixed slide shafts 4-6 are respectively and fixedly connected with the two fixed plates 4-5, two extrusion slide seats 4-7 are respectively and slidably connected with the two fixed slide shafts 4-6 through limiting slide blocks, extrusion jacks 4-8 are arranged on the extrusion slide seats 4-7, extrusion springs 4-9 are arranged between the extrusion slide seats 4-7 and the fixed plates 4-5, two L-shaped racks 4-10 are respectively and fixedly connected with the lower ends of the two extrusion slide seats 4-7, and the L-shaped racks 4-10 are slidably connected in the fixed plates 4-5. By continuously adding carbon fiber raw materials in a carbon fiber adding box body 4-1 into a central driving sliding seat 4-2 and a rotary nozzle 5, when the bottom nozzle is required to be periodically dredged, a program is driven, an extrusion sliding seat 4-7 is inserted into an insertion groove 6-2 to extrude a driving top plate 6-4, the elastic strength of an extrusion spring 4-9 is greater than that of the driving spring 6-5, the driving top plate 6-4 continuously extrudes the driving spring 6-5, a driving rack 6-6 is displaced, a driving fluted disc 6-7 rotates on a driving rotating shaft 6-8, the dredged top plate 6-9, a fixed threaded cylinder 6-10 and an insertion block 6-11 are lifted to the lower part of the rotary nozzle 5, the driving spring 6-5 is extruded, and the reaction force of the driving spring 6-5 is greater than that of the extrusion spring 4-9, and further enabling the extrusion sliding seats 4-7 to move inwards, further enabling the L-shaped racks 4-10 to drive the rotary nozzle 5 to rotate, enabling the rotary nozzle 5 to be in threaded fit with the fixed threaded barrel 6-10, further enabling the insertion blocks 6-11 to be inserted into the rotary nozzle 5, dredging the rotary nozzle 5, and after the dredging is completed, reversely driving the extrusion sliding seats 4-7 to realize separation.
The sixth specific implementation mode:
as shown in fig. 1 to 9, in the fifth embodiment, the upper end of the rotary nozzle 5 is rotatably connected and communicated with the middle end of the central driving sliding seat 4-2, the outer wall of the rotary nozzle 5 is fixedly connected with a dredging rotary gear 5-1, and two ends of the dredging rotary gear 5-1 are respectively in meshing transmission with two L-shaped racks 4-10.
The seventh embodiment:
as shown in fig. 1 to 9, in this embodiment, a sixth embodiment is further described, where the temporary dredger 6 includes an extension fixing seat 6-1, an insertion slot 6-2, a driving slide rod 6-3, a driving top plate 6-4, and a driving spring 6-5, the extension fixing seat 6-1 is fixedly connected to the fixing slide seat 1-3, the insertion slot 6-2 is disposed at a middle end of the extension fixing seat 6-1, the driving slide rod 6-3 is slidably connected in the extension fixing seat 6-1, two ends of the driving top plate 6-4 are slidably connected in the insertion slot 6-2 through a slider, the driving spring 6-5 is sleeved on the driving slide rod 6-3, and the driving spring 6-5 is disposed between the fixing slide seat 1-3 and the driving top plate 6-4.
The specific implementation mode is eight:
as shown in fig. 1 to 9, in this embodiment, a seventh embodiment is further described, the temporary dredger 6 further comprises a driving rack 6-6, a driving fluted disc 6-7, a driving rotating shaft 6-8, a dredging top plate 6-9, a fixed threaded cylinder 6-10 and an insert block 6-11, the driving rack 6-6 is fixedly connected to the lower end of the driving top plate 6-4, the driving rack 6-6 is in meshing transmission with the driving fluted disc 6-7, the driving fluted disc 6-7 is rotatably connected to the driving rotating shaft 6-8, the driving rotating shaft 6-8 is fixedly connected to the lower end of the extension fixed seat 6-1, the upper end of the dredging top plate 6-9 is fixedly connected to the eccentric position of the driving fluted disc 6-7, and the fixed threaded cylinder 6-10 is fixedly connected to the dredging top plate 6-9, the fixed thread cylinder 6-10 is internally and fixedly connected with an insert block 6-11.
The specific implementation method nine:
as shown in fig. 1 to 9, in the eighth embodiment, the insert 6 to 11 is loosely fitted in the rotary nozzle 5.
The detailed implementation mode is ten:
as shown in fig. 1 to 9, in the present embodiment, a ninth embodiment is further described, in which the inner wall of the fixed threaded cylinder 6-10 is screwed to the outer wall of the rotary nozzle 5.
The working principle of the invention is as follows: the front and back driving motor 3-1 drives the left driving rack bar 3-2 to rotate, and further drives the driven driving belt pulley 3-4 and the right driving rack bar 3-5 to rotate in the same direction through the main driving belt pulley 3-3, thereby driving the left screw driving sliding seat 3-6 and the right screw driving sliding seat 3-7 to synchronously move back and forth, further drives the center to drive the sliding seat 4-2 and the rotary nozzle 5 to move back and forth through the left and right driving screws 3-8 and the left and right sliding rods 3-9, the left and right driving screws 3-8 are driven to rotate by the left and right driving motors 3-10, the central driving sliding seat 4-2 and the rotary nozzle 5 are driven to move left and right on the left and right driving screws 3-8 and the left and right sliding rods 3-9, and 3D printing of displacement in the front, back, left and right directions is realized through program control driving; by continuously adding carbon fiber raw materials in a carbon fiber adding box body 4-1 into a central driving sliding seat 4-2 and a rotary nozzle 5, when the bottom nozzle is required to be periodically dredged, a program is driven, an extrusion sliding seat 4-7 is inserted into an insertion groove 6-2 to extrude a driving top plate 6-4, the elastic strength of an extrusion spring 4-9 is greater than that of the driving spring 6-5, the driving top plate 6-4 continuously extrudes the driving spring 6-5, a driving rack 6-6 is displaced, a driving fluted disc 6-7 rotates on a driving rotating shaft 6-8, the dredged top plate 6-9, a fixed threaded cylinder 6-10 and an insertion block 6-11 are lifted to the lower part of the rotary nozzle 5, the driving spring 6-5 is extruded, and the reaction force of the driving spring 6-5 is greater than that of the extrusion spring 4-9, further enabling the extrusion sliding seats 4-7 to move inwards, further enabling the L-shaped racks 4-10 to drive the rotary nozzle 5 to rotate, enabling the rotary nozzle 5 to be in threaded fit with the fixed threaded cylinder 6-10, further enabling the insertion blocks 6-11 to be inserted into the rotary nozzle 5, dredging the rotary nozzle 5, and after dredging is completed, reversely driving the extrusion sliding seats 4-7 to realize separation; the spray head is driven to move front and back, left and right through software program design, and 3D printing is realized; long-time printing easily causes the nozzle wall built-up, influences printing, dredges the nozzle automatically to assigned position through periodic drive shower nozzle, guarantee printing effect.
The above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and variations, modifications, additions and substitutions which may be made by those skilled in the art within the spirit of the present invention are within the scope of the present invention.
Claims (10)
1. The utility model provides a prevent stifled carbon fiber 3D and print, includes 3D printer drive frame (1), removable being and carry printing plate (2), print driver (3), print removal shower nozzle (4), rotary nozzle (5) and two interim dredge (6), its characterized in that: removable being year printing plate (2) sliding connection in 3D printer drive frame (1), print driver (3) and rotate to be connected on 3D printer drive frame (1), print and remove shower nozzle (4) and pass through screw-thread fit sliding connection on printing driver (3), rotating nozzle (5) are rotated and are connected the lower extreme of printing and removing shower nozzle (4), two temporary dredge (6) are fixed connection in the both sides of 3D printer drive frame (1) inner wall respectively, print and remove shower nozzle (4) clearance fit in temporary dredge (6), rotating nozzle (5) are connected on temporary dredge (6) through screw-thread fit.
2. The anti-blocking carbon fiber 3D printing device according to claim 1, characterized in that: the 3D printer driving frame (1) comprises a bottom plate (1-1), a support plate sliding groove (1-2), two fixed sliding seats (1-3), a left sliding groove (1-4) and a right penetrating sliding groove (1-5), the support plate sliding groove (1-2) is arranged at the right end of the bottom plate (1-1), the two fixed sliding seats (1-3) are fixedly connected to the left side and the right side of the upper end of the bottom plate (1-1) respectively, and the left sliding groove (1-4) and the right penetrating sliding groove (1-5) are arranged on the two fixed sliding seats (1-3) respectively.
3. The anti-blocking carbon fiber 3D printing device according to claim 2, characterized in that: the replaceable printing plate (2) is slidably connected in the sliding groove (1-2) of the carrying plate.
4. The anti-blocking carbon fiber 3D printing device according to claim 3, characterized in that: the printing driver (3) comprises a front and rear driving motor (3-1), a left driving toothed bar (3-2), a main driving belt pulley (3-3), a secondary driving belt pulley (3-4), a right driving toothed bar (3-5), a left spiral driving slide seat (3-6), a right spiral driving slide seat (3-7), a left and right driving screw rod (3-8), a left and right slide rod (3-9) and a left and right driving motor (3-10), wherein the front and rear driving motor (3-1) is fixedly connected at the front end of the fixed slide seat (1-3) through a fixed seat, the left driving toothed bar (3-2) is connected with a transmission shaft of the front and rear driving motor (3-1) through a coupler, the left driving toothed bar (3-2) and the right driving toothed bar (3-5) are respectively and rotatably connected in the left slide groove (1-4) and the right through slide groove (1-5), a main driving belt pulley (3-3) and a secondary driving belt pulley (3-4) are respectively and fixedly connected with the front ends of a left driving toothed bar (3-2) and a right driving toothed bar (3-5), the main driving belt pulley (3-3) is connected with a secondary driving belt pulley (3-4) through belt transmission, a left spiral driving sliding seat (3-6) and a right spiral driving sliding seat (3-7) are respectively connected with the left driving toothed bar (3-2) and the right driving toothed bar (3-5) through thread fit, a left driving screw rod (3-8) and a right driving screw rod (3-8) are rotationally connected between the left spiral driving sliding seat (3-6) and the right spiral driving sliding seat (3-7), a left sliding rod (3-9) and a right sliding rod (3-9) are fixedly connected between the left spiral driving sliding seat (3-6) and the right spiral driving sliding seat, the left and right driving motors (3-10) are fixedly connected to the right spiral driving slide seats (3-7), and the left and right driving motors (3-10) are connected with the left and right driving screw rods (3-8) through gear transmission.
5. The anti-blocking carbon fiber 3D printing device according to claim 4, characterized in that: the printing movable nozzle (4) comprises a carbon fiber adding box body (4-1), a central driving sliding seat (4-2), a left driving threaded hole, a right driving threaded hole (4-3), a limiting sliding hole (4-4), two fixing plates (4-5), two fixing sliding shafts (4-6), two extrusion sliding seats (4-7), an extrusion insertion hole (4-8), two extrusion springs (4-9) and two L-shaped racks (4-10), wherein the carbon fiber adding box body (4-1) is fixedly connected to the upper end of the central driving sliding seat (4-2), the left driving threaded hole, the right driving threaded hole (4-3) and the limiting sliding hole (4-4) are arranged on the central driving sliding seat (4-2) in a left-right penetrating mode, and the central driving sliding seat (4-2) is connected to a left driving screw (4-3) and a right driving screw hole (4-4) in a sliding mode respectively through the The device comprises a rod (3-8), a left sliding rod (3-9), a right sliding rod (3-9), two fixing plates (4-5) respectively fixedly connected to two sides of the lower end of a central driving sliding seat (4-2), two fixed sliding shafts (4-6) respectively fixedly connected to the two fixing plates (4-5), two extrusion sliding seats (4-7) respectively slidably connected to the two fixed sliding shafts (4-6) through limiting sliding blocks, extrusion inserting holes (4-8) arranged on the extrusion sliding seats (4-7), extrusion springs (4-9) arranged between the extrusion sliding seats (4-7) and the fixing plates (4-5), two L-shaped racks (4-10) respectively fixedly connected to the lower ends of the two extrusion sliding seats (4-7), and the L-shaped racks (4-10) slidably connected in the fixing plates (4-5).
6. The anti-blocking carbon fiber 3D printing device according to claim 5, characterized in that: the upper end of the rotary nozzle (5) is rotatably connected and communicated with the middle end of the central driving sliding seat (4-2), the outer wall of the rotary nozzle (5) is fixedly connected with a dredging rotating gear (5-1), and two ends of the dredging rotating gear (5-1) are respectively meshed with the two L-shaped racks (4-10) for transmission.
7. The anti-blocking carbon fiber 3D printing device according to claim 6, characterized in that: the temporary dredger (6) comprises an extension fixing seat (6-1), an insertion groove (6-2), a driving slide rod (6-3), a driving top plate (6-4) and a driving spring (6-5), the extension fixing seat (6-1) is fixedly connected to the fixed sliding seat (1-3), an insertion groove (6-2) is formed in the middle end of the extension fixing seat (6-1), the driving sliding rod (6-3) is connected in the extension fixing seat (6-1) in a sliding mode, two ends of the driving top plate (6-4) are connected in the insertion groove (6-2) in a sliding mode through sliding blocks, the driving spring (6-5) is connected to the driving sliding rod (6-3) in a sleeved mode, and the driving spring (6-5) is arranged between the fixed sliding seat (1-3) and the driving top plate (6-4).
8. The anti-blocking carbon fiber 3D printing device according to claim 7, characterized in that: the temporary dredger (6) further comprises a driving rack (6-6), a driving fluted disc (6-7), a driving rotating shaft (6-8), a dredging top plate (6-9), a fixed threaded cylinder (6-10) and an insert block (6-11), the driving rack (6-6) is fixedly connected to the lower end of the driving top plate (6-4), the driving rack (6-6) is in meshed transmission with the driving fluted disc (6-7), the driving fluted disc (6-7) is rotatably connected to the driving rotating shaft (6-8), the driving rotating shaft (6-8) is fixedly connected to the lower end of the extension fixing seat (6-1), the upper end of the dredging top plate (6-9) is fixedly connected to the eccentric position of the driving fluted disc (6-7), and the fixed threaded cylinder (6-10) is fixedly connected to the dredging top plate (6-9), the fixed thread cylinder (6-10) is internally and fixedly connected with an insert block (6-11).
9. The anti-blocking carbon fiber 3D printing device according to claim 8, characterized in that: the insertion blocks (6-11) are in clearance fit in the rotary nozzle (5).
10. The anti-blocking carbon fiber 3D printing device according to claim 9, characterized in that: the inner wall of the fixed thread cylinder (6-10) is in threaded fit connection with the outer wall of the rotary nozzle (5).
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