CN210336898U

CN210336898U - Intelligent 3D printer with prevent function of drawing wire

Info

Publication number: CN210336898U
Application number: CN201920642633.0U
Authority: CN
Inventors: 姚忠义
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-04-17
Anticipated expiration: 2029-05-07

Abstract

The utility model relates to a 3D printing apparatus technical field just discloses an intelligent 3D printer with prevent function of drawing wire, the top fixed mounting of roof has the winder, the peripheral cover of winder is equipped with the printing silk thread, there is first bracing piece through connecting block sliding connection between the framework, the peripheral cover of first bracing piece is equipped with the traction block, the bottom fixed mounting of traction block has the telescopic link, the bottom fixed mounting of telescopic link has the printing shower nozzle, print shower nozzle upper end swing joint in the slider, first spout has been seted up to the inside upper end of slider. This intelligent 3D printer with prevent wire drawing function through printing shower nozzle inside swing joint's plunger and printing when the shower nozzle crosses open space shower nozzle and slider emergence dislocation, makes the export of shower nozzle blocked up by keeping off the material frame, makes things convenient for effectual outflow that stops the printing material, has further prevented wire drawing phenomenon and has produced, has improved and has printed the effect.

Description

Intelligent 3D printer with prevent function of drawing wire

Technical Field

The invention relates to the technical field of 3D printing equipment, in particular to an intelligent 3D printer with a wire drawing prevention function.

Background

The 3D printer, also called three-dimensional printer, is an accumulative manufacturing technique, i.e. a machine of rapid prototyping technique, which is based on digital model files, and uses special bondable materials such as wax, powdered metal or plastic to manufacture three-dimensional objects by using the bondable materials layer by layer. At present, a three-dimensional printer is used for manufacturing products, an object is constructed in a layer-by-layer printing mode, data and raw materials are put into a 3D printer, and the machine can manufacture the products layer by layer according to a program.

However, in the printing process of the existing 3D printer, the problem of wire drawing often occurs, the wire drawing is a residual linear object left when the printing nozzle crosses the open space, and in order to avoid the wire drawing, a material drawing back method is generally adopted, that is, before the nozzle moves to the next point, the material in the top end of the nozzle is drawn back, and when the nozzle moves to the next point, the material in the nozzle is extruded out.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the intelligent 3D printer with the wire drawing prevention function, which has the advantages of effectively preventing a printing spray head from flowing out of a material when the printing spray head passes through an open space, further preventing the generation of a wire drawing phenomenon, improving the printing effect, being convenient and quick in mode and the like, and solves the problem that the wire drawing phenomenon cannot be effectively solved by simply utilizing a back drawing device of a traditional printer.

(II) technical scheme

In order to effectively prevent the printing nozzle from flowing out when the printing nozzle crosses an open space, further prevent the phenomenon of wire drawing, improve the printing effect and achieve the purposes of convenient and quick mode, the invention provides the following technical scheme: an intelligent 3D printer with a wire drawing prevention function comprises a frame body, a top plate, a bottom plate, a connecting block and a printing platform, wherein a wire winder is fixedly installed at the top end of the top plate, a printing silk thread is sleeved on the periphery of the wire winder, a first supporting rod is connected between the frame bodies in a sliding mode through the connecting block, a traction block is sleeved on the periphery of the first supporting rod, a telescopic rod is fixedly installed at the bottom end of the traction block, a printing spray head is fixedly installed at the bottom end of the telescopic rod, the upper end of the printing spray head is movably connected in the sliding block, a first sliding groove is formed in the upper end of the interior of the sliding block, a second sliding groove is formed in the middle end of the interior of the sliding block, a limiting block is fixedly installed at the top end of the interior of the second sliding groove, second springs are, the third spout has been seted up to the inside lower extreme of slider, the bottom fixed mounting of slider has the material frame that keeps off, keep off the center of material frame and seted up the round hole, the slider cover is established on the second bracing piece, the second bracing piece is located the below of first bracing piece, and both sides are all through connecting block and framework swing joint.

Preferably, the traction block includes motor, belt and propulsion wheel, the inside fixed mounting that the traction block is located first bracing piece top has the motor, the left side of motor is connected with the propulsion wheel through belt drive, the propulsion wheel is laminated mutually with the top of first bracing piece, and the periphery of propulsion wheel is the circular slot form, and the parcel has the rubber sleeve, has increased the area of contact with first bracing piece arc surface, has improved the frictional force between propulsion wheel and the first bracing piece.

Preferably, print the shower nozzle including guide block, through-hole, support frame, first spring and plunger, the top of printing the shower nozzle is provided with the guide block, the through-hole has been seted up to the inside of printing the shower nozzle, fixed mounting has the support frame in the through-hole, the top fixed mounting of support frame has first spring, the top fixed mounting of first spring has the plunger, the support frame forms through the equipment of three support bars, can not influence the normal outflow of printing the material, and when the action of pumpback is carried out to the printer, can upwards adsorb the plunger, upwards attract inside fused material when blockking up with inside through-hole, improved the pumpback effect in the 3D printer.

Preferably, the bottom swing joint of telescopic link is in first spout, the guide block swing joint who prints the shower nozzle top is in the second spout, the below swing joint who prints shower nozzle top guide block is in the third spout, so when the top of printing the shower nozzle is located the stopper in the middle of, the slider can with print shower nozzle synchronous motion, when the guide block that prints the shower nozzle top is located the second spout, the traction block can drive earlier and print shower nozzle and slider and take place the dislocation.

Preferably, the quantity of first bracing piece is two, pull block swing joint on two first bracing pieces, just the telescopic link is located the center of pulling the block bottom surface, the quantity of second bracing piece is two, the both ends and the second bracing piece active link of slider, it is located the inside center of slider to print the shower nozzle.

Preferably, it is characterized in that: when the printing nozzle is located at the initial position, the round hole on the material blocking frame is located under the printing nozzle, and the diameter of the round hole is the same as that of the bottom end of the printing nozzle, so that when the printing nozzle is staggered with the sliding block, the material blocking frame can block the outlet of the printing nozzle.

(III) advantageous effects

Compared with the prior art, the invention provides an intelligent 3D printer with a wire drawing prevention function, which has the following beneficial effects:

1. this intelligent 3D printer with prevent function of acting as go-between, through swing joint's plunger in the inside through-hole of printing shower nozzle, when the action of the printer execution pumpback, can upwards adsorb the plunger, upwards attracts the inside fused material when blockking up inside through-hole, has improved the pumpback effect in the 3D printer.

2. This intelligent 3D printer with prevent wire drawing function, sliding connection through traction block and slider, and the inside recess design of slider, when normally printing, traction block drives and prints shower nozzle synchronous motion, it normally flows from the round hole in below to print the material, when printing the shower nozzle and crossing open space, traction block drives earlier and prints shower nozzle and slider emergence dislocation, the export that makes the shower nozzle of printing is stopped up by keeping off material frame bottom, traction block bring to rest when removing the assigned position, it receives the restoring force of second spring to remove to the initial position to print the shower nozzle, accomplish printing action on next step, thereby convenient effectual outflow that stops printing the material, further prevent wire drawing phenomenon from producing, improved and printed the effect.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic diagram of a printing apparatus according to the present invention;

FIG. 3 is a schematic diagram of a printing apparatus during a printing movement according to the present invention;

FIG. 4 is a schematic view of the printing apparatus of the present invention in a configuration to pass through an open space;

FIG. 5 is a schematic view of the structure of the traction block of the present invention;

FIG. 6 is a schematic structural diagram of a print head according to the present invention.

In the figure: 1 framework, 2 roof, 3 bottom plates, 4 connecting blocks, 5 print platform, 6 reels, 7 silk threads, 8 first bracing pieces, 9 traction blocks, 91 motor, 92 belt, 93 propulsion wheels, 10 telescopic links, 11 print shower nozzle, 1101 guide block, 1102 through-hole, 1103 support frame, 1104 first spring, 1105 plunger, 12 sliders, 13 first spout, 14 second spout, 15 stopper, 16 second spring, 17 dog, 18 third spout, 19 dam frame, 20 round holes, 21 second bracing pieces.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, an intelligent 3D printer with a wire drawing prevention function comprises a frame body 1, a top plate 2, a bottom plate 3, a connecting block 4 and a printing platform 5, wherein a wire winder 6 is fixedly installed at the top end of the top plate 2, a printing silk thread 7 is sleeved on the periphery of the wire winder 6, a first supporting rod 8 is slidably connected between the frame body 1 through the connecting block 4, a traction block 9 is sleeved on the periphery of the first supporting rod 8, the traction block 9 comprises a motor 91, a belt 92 and a pushing wheel 93, the motor 91 is fixedly installed inside the traction block 9 positioned above the first supporting rod 8, the pushing wheel 93 is connected to the left side of the motor 91 through the belt 92 in a transmission manner, the pushing wheel 93 is attached to the top end of the first supporting rod 8, the periphery of the pushing wheel 93 is in a circular groove shape and is wrapped with a rubber sleeve, the contact area of the circular arc surface of the first supporting rod 8 is increased, and the friction force between the pushing wheel 93 and the first, the bottom end of the traction block 9 is fixedly provided with an expansion link 10, the bottom end of the expansion link 10 is fixedly provided with a printing spray head 11, the upper end of the printing spray head 11 is movably connected in a slide block 12, the number of the first support rods 8 is two, the traction block 9 is movably connected on the two first support rods 8, the expansion link 10 is positioned at the center of the bottom surface of the traction block 9, the number of the second support rods 21 is two, the two ends of the slide block 12 are movably connected with the second support rods 21, the printing spray head 11 is positioned at the center inside of the slide block 12, the upper end inside the slide block 12 is provided with a first slide groove 13, the middle end inside the slide block 12 is provided with a second slide groove 14, the top end inside the second slide groove 14 is fixedly provided with a limit block 15, the two ends inside the second slide groove 14 are fixedly provided with a second spring 16, one end of the second spring 16 close to the, the bottom fixed mounting of slider 12 has the material stopping frame 19, and round hole 20 has been seted up at the center of material stopping frame 19, and when printing shower nozzle 11 was located initial position, round hole 20 was located printing shower nozzle 11 under on the material stopping frame 19, and round hole 20 was the same with printing shower nozzle 11 bottom diameter, and slider 12 cover is established on second bracing piece 21, and second bracing piece 21 is located the below of first bracing piece 8, and both sides are all through connecting

block

4 and 1 swing joint of framework.

Print shower nozzle 11 including guide block 1101, through-hole 1102, support frame 1103, first spring 1104 and plunger 1105, the top of printing shower nozzle 11 is provided with guide block 1101, through-hole 1102 has been seted up to the inside of printing shower nozzle 11, fixed mounting has support frame 1103 in the through-hole 1102, the top fixed mounting of support frame 1103 has first spring 1104, the top fixed mounting of first spring 1104 has plunger 1105, support frame 1103 forms through the equipment of three spinal branch vaulting poles, can not influence the normal outflow of printing material, and when the action of drawing back is carried out to the printer, can upwards adsorb the plunger, upwards attract inside melting material when blockking up inside through-hole, the effect of drawing back in the 3D printer has been improved.

The working principle is that when the 3D printer is fed normally and printed, the top end of the printing nozzle 11 falls into the middle of the limiting block 15 through the telescopic rod 10, so that when the traction block 9 drives the printing nozzle 11 to move, the sliding block 12 and the printing nozzle 11 move synchronously, the nozzle of the printing nozzle 11 and the round hole 20 are always kept in a concentric position, printing materials can normally flow out of the nozzle, when the 3D printer needs to cross an open space, a self-pumping system is started firstly, a plunger 1105 movably connected in a through hole 1102 in the printing nozzle 11 is upwards adsorbed, the internal through hole 1102 is upwards adsorbed while being blocked, the internal molten materials are upwards adsorbed, the pumping effect in the 3D printer is improved, meanwhile, the telescopic rod 10 downwards moves the printing nozzle 11, a guide block 1101 at the top of the printing nozzle 11 is located in the second chute 14, the traction block 9 firstly drives the printing nozzle 11 to be dislocated with the sliding block 12, the export that makes print shower nozzle 11 is stopped up by material blocking frame 19 bottom, and traction block 9 out of service when moving the assigned position moves to initial position after printing shower nozzle 11 receives the restoring force of second spring 14, accomplishes printing action on next step to convenient effectual 3D printer of having prevented is crossed the outflow of printing the material when open space, has further prevented the wire drawing phenomenon and has produced.

In summary, according to the intelligent 3D printer with the anti-drawing function, the plunger 1105 is movably connected to the through hole 1102 in the printing nozzle 11, so that when the printer performs a drawing action, the plunger 1105 is sucked upwards, the through hole 1102 is blocked, and meanwhile, the melted material in the printer is sucked upwards, thereby improving the drawing effect in the 3D printer.

Through the sliding connection of traction block 9 and slider 12, and the inside recess design of slider 12, when normally printing, traction block 9 drives and prints shower nozzle 11 synchronous motion, it normally flows from below round hole 20 to print the material, when printing shower nozzle 11 and crossing open space, traction block 9 drives earlier and prints shower nozzle 11 and slider 12 and take place the dislocation, the export that makes print shower nozzle 11 is stopped up by keeping off material frame 19 bottom, traction block 9 stall when removing the assigned position, it receives to move to initial position behind the restoring force of second spring 14 to print shower nozzle 11, accomplish printing action on next step, thereby convenient effectual outflow that has prevented printing the material, further prevented wire drawing phenomenon and produced, the printing effect has been improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an intelligent 3D printer with prevent function of acting as go-between, includes framework (1), roof (2), bottom plate (3), connecting block (4), printing platform (5), its characterized in that: the top end of the top plate (2) is fixedly provided with a winder (6), the periphery of the winder (6) is sleeved with a printing silk thread (7), the frame bodies (1) are connected with first supporting rods (8) through connecting blocks (4) in a sliding mode, the periphery of the first supporting rods (8) is sleeved with a traction block (9), the bottom end of the traction block (9) is fixedly provided with a telescopic rod (10), the bottom end of the telescopic rod (10) is fixedly provided with a printing nozzle (11), the upper end of the printing nozzle (11) is movably connected in a sliding block (12), the upper end of the inside of the sliding block (12) is provided with a first sliding groove (13), the middle end of the inside of the sliding block (12) is provided with a second sliding groove (14), the top end of the inside of the second sliding groove (14) is fixedly provided with a limiting block (15), and the two ends of the inside of the second, second spring (16) are close to the one end fixed mounting who prints shower nozzle (11) and have dog (17), third spout (18) have been seted up to the inside lower extreme of slider (12), the bottom fixed mounting of slider (12) has material stopping frame (19), round hole (20) have been seted up at the center of material stopping frame (19), slider (12) cover is established on second bracing piece (21).

2. The intelligent 3D printer with the anti-wiredrawing function according to claim 1, wherein: traction block (9) include motor (91), belt (92) and propulsion wheel (93), the inside fixed mounting that traction block (9) are located first bracing piece (8) top has motor (91), the left side of motor (91) is connected with propulsion wheel (93) through belt (92) transmission, propulsion wheel (93) are laminated mutually with the top of first bracing piece (8).

3. The intelligent 3D printer with the anti-wiredrawing function according to claim 1, wherein: print shower nozzle (11) including guide block (1101), through-hole (1102), support frame (1103), first spring (1104) and plunger (1105), the top of printing shower nozzle (11) is provided with guide block (1101), through-hole (1102) have been seted up to the inside of printing shower nozzle (11), fixed mounting has support frame (1103) in through-hole (1102), the top fixed mounting of support frame (1103) has first spring (1104), the top fixed mounting of first spring (1104) has plunger (1105), support frame (1103) forms through the equipment of three spinal branch brace bars.

4. The intelligent 3D printer with the anti-wiredrawing function according to claim 1, wherein: the bottom swing joint of telescopic link (10) is in first spout (13), guide block (1101) swing joint at printing shower nozzle (11) top is in second spout (14), the below swing joint of printing shower nozzle (11) top guide block (1101) is in third spout (18).

5. The intelligent 3D printer with the anti-wiredrawing function according to claim 1, wherein: the quantity of first bracing piece (8) is two, pull block (9) swing joint on two first bracing pieces (8), just telescopic link (10) are located the center of pulling block (9) bottom surface, the quantity of second bracing piece (21) is two, the both ends and second bracing piece (21) swing joint of slider (12), print shower nozzle (11) and be located the inside center of slider (12).

6. The intelligent 3D printer with the anti-wiredrawing function according to claim 1, wherein: when the printing nozzle (11) is located at the initial position, the round hole (20) in the material blocking frame (19) is located under the printing nozzle (11), and the diameter of the round hole (20) is the same as that of the bottom end of the printing nozzle (11).