CN114953448A

CN114953448A - 3D printing device and printed matter edge blank processing apparatus thereof

Info

Publication number: CN114953448A
Application number: CN202210556333.7A
Authority: CN
Inventors: 于仁萍; 宫晓峰; 邢勤; 肖凤艳; 孙蕾; 王敏斯; 赵慧; 陈凯迪; 倪星
Original assignee: Yantai Vocational College
Current assignee: Yantai Vocational College
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-08-30

Abstract

The invention discloses a 3D printing device and a printed matter edge blank processing device thereof, and belongs to the field of 3D printing devices. A3D printing device comprises a printed matter edge blank processing device, a printing seat, a workbench and a control seat; the printing seat is connected to the workbench in a sliding manner; the 3D printing device is provided with a sliding block at the upper end of the printing seat; an XYZ three-axis moving platform is fixedly arranged on the workbench; the XYZ three-axis moving platform drives the sliding block to move in the X-axis direction and the Y-axis direction; the XYZ three-axis moving platform drives the printing seat to move in the Z-axis direction; the sliding block is fixedly provided with the control seat; compared with the prior art, a 3D printing device of this application is used for supplementary fixed model's fulcrum when can cutting off 3D fast and print, is provided with basement fixing device simultaneously, and the model shifts when avoiding cutting off the fulcrum.

Description

3D printing device and printed matter edge blank processing apparatus thereof

Technical Field

The invention relates to the field of 3D printing devices, in particular to a 3D printing device and a printed matter edge blank processing device thereof.

Background

3D printing, which is one of the rapid prototyping technologies, is also called additive manufacturing, which is a technology for constructing an object by using an adhesive material such as powdered metal or plastic and the like, and by printing layer by layer, based on a digital model file. 3D printing is typically achieved using digital technology material printers. The method is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and is gradually used for directly manufacturing some products, and parts printed by the technology are already available. The technology has applications in jewelry, footwear, industrial design, construction, engineering and construction, automotive, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms, and other fields. The 3D wire printer is one of 3D printing devices, supplies are sent into a spray head through an extruder, fiber yarns are extruded, and then a model is built on a carrying platform; the existing wire printer firstly prints a substrate, namely a supporting bottom plate, and then builds a model and a model fulcrum on the substrate; the blank of the model needs to be subjected to surface treatment after the pivot is cut off, and the cutting off of the pivot depends on manual operation, so the blank is influenced by factors such as technical level, fatigue degree, mood fluctuation and the like, and the blank is damaged; therefore, a 3D printing device and a printed product edge blank processing device thereof are provided.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a 3D printing device and a printed matter edge blank processing device thereof.

The purpose of the invention can be realized by the following technical scheme:

A3D printing device comprises a printed matter edge blank processing device, a printing seat, a workbench and a control seat; the printing seat is connected to the workbench in a sliding manner; the 3D printing device is provided with a sliding block at the upper end of the printing seat; an XYZ three-axis moving platform is fixedly arranged on the workbench; the XYZ three-axis moving platform drives the sliding block to move in the X-axis direction and the Y-axis direction; the XYZ three-axis moving platform drives the printing seat to move in the Z-axis direction; the sliding block is fixedly provided with the control seat; a cavity is arranged in the control seat; a motor IV is symmetrically and fixedly arranged on the control seat; a control shaft is fixedly arranged on the motor IV; the control shafts are fixedly provided with bevel gears I; the control shafts are rotatably connected with connecting plates;

the connecting plates are fixedly arranged with the connecting seats; the first driving seat is fixedly installed on the connecting seat; one driving seat is rotatably connected with a first driving shaft; a bevel gear II is fixedly installed on the driving shaft I; the second bevel gear is meshed with the first bevel gear; a second driving seat, a third driving seat and a fifth motor are fixedly arranged inside the connecting seat; the driving seat II is rotatably connected with a driving shaft II, and the driving seat III is rotatably connected with a driving shaft III; a bevel gear III is fixedly arranged in the driving shaft I and inside the connecting seat; a bevel gear IV is fixedly installed on the driving shaft II; a bevel gear V is fixedly installed on the driving shaft III; the bevel gear four is meshed with the bevel gear three and the bevel gear five; a turntable is fixedly arranged on the motor V; the third driving shaft is provided with a wire passing groove; the third driving shaft penetrates through one side of the connecting seat and is provided with the printed matter edge blank processing device; a wire outlet hole is formed in one side, close to the printed matter edge blank processing device, of the wire passing groove; a first round block is connected inside the wire passing groove in a sliding manner; the round block I is rotatably connected with a round block II; the first round block is fixedly provided with a first connecting rope; a second connecting rope is fixedly installed on the second round block; the second connecting rope is connected with the rotary disc;

the printed matter edge blank processing device comprises a knife handle, a swing rod, a sliding seat and a supporting plate; the support plate and the driving shaft III are fixedly installed; the driving shaft III is rotatably connected with two tool handles; the supporting plate is connected with the sliding seat in a sliding manner; a cutting knife is fixedly arranged on one side of the knife handle, which is far away from the sliding seat; one side of the knife handle close to the sliding seat is rotatably connected with the swing rod; the sliding seat is fixedly provided with a sliding shaft; the two swing rods are both rotationally connected with the sliding shaft; one side of the knife handle close to the sliding seat is fixedly provided with two magnets I; the magnets repel each other; the supporting plates are symmetrically and fixedly provided with limiting blocks; the limiting block is attracted with the magnet; a fixed pulley is fixedly arranged on one side, far away from the driving shaft III, of the supporting plate; the first connecting rope penetrates through the wire outlet hole and the fixed pulley to be connected with the sliding seat.

Further, the XYZ three-axis moving platform comprises a screw seat I, a screw seat II and a screw seat III; the first screw rod seats are symmetrically and fixedly arranged on the workbench; one screw seat is rotatably connected with a first screw; the first screw rods are fixedly provided with first chain wheels; the first chain wheel is connected through a chain; the first screws are in threaded connection with the printing seat; one screw rod I is driven by a motor I; the two sides of the printing seat of the workbench are symmetrically and fixedly provided with the screw rod seats II; the screw base II is rotatably connected with a screw II; the second screw rods are fixedly provided with second chain wheels; the second chain wheel is connected through a chain; one second screw rod is driven by a second motor; the screw rod seat II is connected with a supporting seat in a sliding manner; the supporting seat is in threaded connection with the second screw rod; the supporting seat is symmetrically and fixedly provided with a third screw rod seat; the third screw rod seats are rotationally connected with a third screw rod; the supporting seat is connected with a sliding block in a sliding manner; the sliding block is in three-thread connection with the screw; and the third screw is driven by a third motor.

Furthermore, the printing seat is symmetrically connected with two movable seats I and two movable seats II in a sliding manner; four screw rod seats IV are fixedly arranged at the bottom of the printing seat; the screw rod seats are all rotatably connected with a screw rod II; the first movable seat and the second movable seat are respectively connected with four threads of one screw; a middle seat is fixedly arranged between the adjacent screw rod seats on the same side; the middle base is rotatably connected with a middle shaft; a bevel gear six is fixedly mounted on the intermediate shaft; a bevel gear seven is fixedly mounted on one side, close to the intermediate shaft, of the screw rod four; the bevel gear six is meshed with the adjacent bevel gear seven; a chain wheel III is fixedly arranged on one screw rod IV close to the movable seat I and one screw rod IV close to the movable seat II; the third chain wheel is connected through a chain; a rotating seat is fixedly arranged on the first movable seat; the rotating seat is rotatably connected with a rotating shaft; the rotating shaft is fixedly provided with a pressure lever; the pressing rod is fixedly provided with a pressing block and a magnet II; a bearing block is fixedly arranged on the second movable seat; a magnet III is fixedly arranged in the bearing block; the magnet III and the magnet II attract each other;

a through hole is formed in the rotating shaft; a first mounting seat is fixedly mounted on one side, close to the first movable seat, of the printing seat; one end of the mounting seat is rotatably connected with a first mounting shaft; the first mounting shaft is provided with a sliding groove; the rotating shaft is fixedly provided with a sliding block in the through hole; the sliding block is connected with the sliding groove in a sliding manner; a chain wheel IV is fixedly arranged at one end of the mounting shaft I; one screw seat IV close to the chain wheel IV is rotatably connected with a second mounting shaft; the second mounting shaft is also fixedly provided with a fourth chain wheel; the fourth chain wheel is connected through a chain; a third mounting seat is fixedly mounted on one side, close to the second mounting shaft, of the printing seat; the mounting seat III is rotatably connected with a mounting shaft III; a chain wheel V is fixedly arranged on the mounting shaft III and the mounting shaft II; the chain wheel V is connected through a chain; a bevel gear eight is fixedly mounted on the mounting shaft III; a fourth mounting seat is fixedly mounted on one side, close to the eighth bevel gear, of the printing seat; the mounting seat IV is rotatably connected with a mounting shaft IV; a bevel gear nine and a tooth-missing gear are fixedly mounted on the mounting shaft IV; the gear with missing teeth is matched with the bevel gear eight; one side of the printing seat, which is close to one of the middle seats, is fixedly provided with a first transmission seat; two transmission seats II are fixedly arranged on one side, close to the transmission seat I, of the printing seat; one transmission seat is rotatably connected with a first transmission shaft; the second transmission seat is rotatably connected with a second transmission shaft; a first transmission shaft and an adjacent middle shaft are fixedly provided with a sixth chain wheel; the six chain wheels are connected through a chain; a straight gear I is fixedly installed on the transmission shaft I; the transmission shafts II are fixedly provided with straight gears II; two arc-shaped racks are symmetrically and fixedly installed on the second straight gear; the two straight gears are mutually meshed; the first straight gear is matched with the arc-shaped rack; the first straight gear is meshed with one arc-shaped rack; one second transmission shaft is fixedly provided with a bevel gear ten; the printing seat is fixedly provided with a double-head motor between the transmission seat II and the mounting seat IV; the double-end motor is fixedly provided with a bevel gear eleven and a bevel gear twelve through a one-way bearing; the unidirectional bearings of the bevel gear eleven and the bevel gear twelve are opposite in rotation direction; the bevel gear eleven is meshed with the bevel gear ten; the bevel gear twelve is meshed with the bevel gear nine; the gear with the missing teeth is provided with a limiting groove; a ball plunger is arranged on the fourth mounting shaft; the ball plunger is matched with the limiting groove.

Further, an extruder of the 3D printing device is mounted on a moving block; a spray head of the extruder is arranged close to the workbench; the moving block is connected with the sliding block in a sliding manner; the sliding blocks are symmetrically provided with limiting plates; the limiting plates are provided with through holes; the moving block is provided with two threaded holes; the limiting plate is provided with a screw at the through hole; the screw penetrates through the through hole and is in threaded connection with one threaded hole.

Further, a fixed frame is fixedly arranged on the workbench; the winding seats are linearly and uniformly distributed on the fixing frame; the wire winding seats are rotatably connected with wire winding discs; the wire spool is provided with a printing wire.

The invention has the beneficial effects that:

the utility model provides a 3D printing device is used for supplementary fixed model's fulcrum when can pruning 3D fast and print, is provided with basement fixing device simultaneously, and the model shifts when avoiding pruning the fulcrum.

Drawings

The invention will be further described with reference to the accompanying drawings.

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic view of the interior of the control pod of the present application;

FIG. 3 is a schematic view of the interior of the drive shaft of the present application;

FIG. 4 is a schematic view of a shear structure of the present application;

FIG. 5 is a top schematic view of a print nest of the present application;

FIG. 6 is a bottom schematic view of a print nest of the present application;

FIG. 7 is an enlarged schematic view at A of the present application;

FIG. 8 is an enlarged schematic view at B of the present application;

fig. 9 is an enlarged schematic view at C of the present application.

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.

In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

A3D printing device comprises a printed matter edge blank processing device, a printing seat 2, a workbench 1 and a control seat 4; the workbench 1 is connected with a printing seat 2 in a sliding way; the 3D printing device is provided with a sliding block 3 at the upper end of a printing seat 2; an XYZ three-axis moving platform is fixedly arranged on the workbench 1; the XYZ three-axis moving platform drives the sliding block 3 to move in the X-axis direction and the Y-axis direction; the XYZ three-axis moving platform drives the printing seat 2 to move in the Z-axis direction; under the action of the three-axis moving platform, the sliding block 3 and related components on the sliding block 3 do XYZ spatial motion relative to the printing seat 2;

the sliding block 3 is fixedly provided with a control seat 4; a cavity is arranged in the control seat 4; a motor IV 5 is symmetrically and fixedly arranged on the control seat 4; a control shaft 6 is fixedly arranged on the motor IV 5; the control shafts 6 are fixedly provided with bevel gears I7; the control shafts 6 are rotatably connected with connecting plates 8; the connecting plates 8 are fixedly arranged with the connecting seats 9; the connecting seat 9 is fixedly provided with a driving seat I10; the driving seat I10 is rotatably connected with a driving shaft I11; a bevel gear II 12 is fixedly arranged on the driving shaft I11; the second bevel gear 12 is meshed with the first bevel gear 7; when the two motors IV 5 drive the control shaft 6 and the bevel gear I7 to rotate in the same direction, the bevel gear I7 drives the bevel gear II 12 and the connecting piece on the bevel gear II 12 to rotate around the control shaft 6 due to the bevel gear II 12 and the bevel gear I7; when the two motors IV 5 drive the control shaft 6 and the bevel gears I7 to rotate in different directions, one bevel gear I7 drives one side of the bevel gear II 12 to move downwards/upwards, the other bevel gear I7 drives the other side of the bevel gear II 12 to move upwards/downwards, and the two bevel gears I7 drive the bevel gear II 12 and the components thereof to rotate around the driving shaft I11; when the bevel gear II 12, the driving shaft I11, the driving seat I10, the connecting seat 9 and other components reset to vertical positions due to self weight, the bevel gear II 12 can be realized only by pushing the two bevel gear I7 to synchronously rotate; the motor shaft of the motor IV 5 has the self-locking characteristic, and when the motor IV 5 is not started, the motor shaft does not deflect, so that the components cannot return to the original position through self rotation;

a second driving seat 13, a third driving seat 14 and a fifth motor 15 are fixedly arranged in the connecting seat 9; the second driving seat 13 is rotatably connected with a second driving shaft 16, and the third driving seat 14 is rotatably connected with a third driving shaft 17; a bevel gear III 18 is fixedly arranged in the connecting seat 9 of the driving shaft I11; a bevel gear IV 19 is fixedly arranged on the second driving shaft 16; a bevel gear five 20 is fixedly installed on the driving shaft three 17; a fourth bevel gear 19 is meshed with a third bevel gear 18 and a fifth bevel gear 20; when the first driving shaft 11 rotates, the driving shaft drives the fourth bevel gear 19, the fifth bevel gear 20 and the third driving shaft 17 to rotate through the third bevel gear 18;

a turntable 21 is fixedly arranged on the motor V15; the third driving shaft 17 is provided with a wire passing groove 22; a third driving shaft 17 is provided with a printing material edge blank processing device through one side of the connecting seat 9; a wire outlet hole 23 is formed in one side, close to the blank processing device at the edge of the printed matter, of the wire passing groove 22; a first round block 24 is connected inside the wire passing groove 22 in a sliding manner; the round block I24 is rotatably connected with a round block II 25; a first connecting rope 26 is fixedly arranged on the first round block 24; a second connecting rope 27 is fixedly arranged on the second round block 25; the second connecting rope 27 is connected with the rotary disc 21; when the driving shaft III 17 rotates, the round block I24 can rotate along with the driving shaft III 17, and meanwhile, the connecting rope I26 on the round block I24 can also rotate along with the driving shaft III, so that the phenomenon that the connecting rope I26 rotates by itself and finally the connecting rope I26 is twisted off when the driving shaft III 17 rotates is avoided;

the printing material edge blank processing device comprises a knife handle 29, a swing rod 32, a sliding seat 30 and a supporting plate 28; the support plate 28 is fixedly arranged with the third driving shaft 17; the driving shaft III 17 is rotatably connected with two tool shanks 29; the supporting plate 28 is slidably connected with a sliding seat 30; a cutting knife 31 is fixedly arranged on one side of the knife handle 29 far away from the sliding seat 30; one side of the knife handle 29 close to the sliding seat 30 is rotatably connected with a swing rod 32; a sliding shaft 33 is fixedly arranged on the sliding seat 30; the two swing rods 32 are both rotatably connected with a sliding shaft 33; one side of the knife handle 29 close to the sliding seat 30 is fixedly provided with two magnets 34; the first magnets 34 repel each other; the supporting plate 28 is symmetrically and fixedly provided with limiting blocks 35; the limiting block 35 is attracted with the first magnet 34; a fixed pulley 36 is fixedly arranged on one side of the support plate 28 far away from the third driving shaft 17; the first connecting rope 26 passes through the wire outlet hole 23 and the fixed pulley 36 to be connected with the sliding seat 30; when the motor five 15 is started, the motor five 15 winds the connecting rope two 27 through the rotary disc 21, so that the round block two 25, the round block one 24 and the connecting rope one 26 are pulled to move upwards, the connecting rope one 26 is rotated through the fixed pulley 36 to pull the sliding seat 30 to move, after the sliding seat 30 moves, the sliding seat 30 pulls the swing rod 32 to deflect inwards through the sliding shaft 33, the cutter handle 29 is pulled to rotate, the cutting cutter 31 performs cutting action, after the cutting action is finished, the motor five 15 resets, the magnets one 34 are mutually exclusive, the cutter handle 29 is separated, and finally the magnet one 34 drives the cutter handle 29 to be adsorbed on the limiting block 35;

when the printer is used, 3D model data are input into modeling software of the printer, a fulcrum position and an action track of the nozzle are generated through the modeling software, the nozzle extrudes consumables into fiber yarns, and a model is built on the printing seat 2; then, cutting action is carried out according to fulcrum position data generated by software, the approximate position of the cutting knife 31 is adjusted through an XYZ three-axis moving platform, then the space of the connecting seat 9 and the cutting knife 31 of the printed matter edge blank processing device is controlled by a motor IV 5, and then the cutting fulcrum operation of the cutting knife 31 is realized through a motor V15; the mode is simple and convenient to operate, is suitable for batch type 3D model printing, and can realize unmanned operation by matching with a pickup device such as a mechanical arm.

Further, the XYZ three-axis moving platform comprises a screw seat I, a screw seat II 43 and a screw seat III; the workbench 1 is symmetrically and fixedly provided with screw rod seats I; one screw seat is rotationally connected with a first screw 37; the first screw rods 37 are fixedly provided with first chain wheels 38; the first chain wheel 38 is connected through a chain; the first screws 37 are in threaded connection with the printing seat 2; a screw rod I37 is driven by a motor I39; the first motor 39 can drive the first screw rod 37 to rotate, so that the printing seat 2 is driven to move in the horizontal direction; the two sides of the printing seat 2 of the workbench 1 are symmetrically and fixedly provided with screw rod seats II 43; the second screw seat 43 is rotatably connected with a second screw 40; the second screw rods 40 are fixedly provided with second chain wheels 41; the second chain wheel 41 is connected through a chain; a second screw 40 is driven by a second motor 42; the second screw rod seat 43 is connected with a support seat 44 in a sliding manner; the support seat 44 is in threaded connection with the second screw rod 40; the second motor 42 drives the second screw rod 40 to rotate, and the second screw rod 40 drives the supporting seat 44 to vertically move up and down; the supporting seat 44 is symmetrically and fixedly provided with a third screw seat; the third screw rod seats are rotationally connected with a third screw rod 45; the support seat 44 is connected with the sliding block 3 in a sliding way; the sliding block 3 is in threaded connection with the third screw rod 45; the screw rod III 45 is driven by a motor III 46; the third motor 46 drives the third screw rod 45 to rotate, and the third screw rod 45 drives the sliding block 3 to move left and right in the vertical direction; the sliding block 3 can move relative to the printing seat 2 through the three motors.

Further, the printing seat 2 is symmetrically connected with two movable seats I47 and two movable seats II 48 in a sliding manner; four screw seats four 49 are fixedly arranged at the bottom of the printing seat 2; the screw rod seats IV 49 are all rotationally connected with screw rods IV 50; the first movable seat 47 and the second movable seat 48 are respectively in threaded connection with a fourth screw 50; a middle seat 51 is fixedly arranged between the adjacent screw seat four 49 on the same side; the intermediate base 51 is rotatably connected with an intermediate shaft 52; the intermediate shaft 52 is fixedly provided with a bevel gear six 53; a bevel gear seven 54 is fixedly arranged on one side of the screw rod four 50 close to the intermediate shaft 52; the bevel gear six 53 is meshed with the adjacent bevel gear seven 54; a fourth screw 50 close to the first movable seat 47 and a fourth screw 50 close to the second movable seat 48 are both fixedly provided with a third chain wheel 55; the third chain wheel 55 is connected through a chain; the fourth screw 50 on the same side drives the first movable seat 47 or the second movable seat 48 to move oppositely or move back to back through a sixth bevel gear 53 and a seventh bevel gear 54; the screw rods 50 on the two sides synchronously move through the chain wheel III 55, so that the movable seat I47 and a corresponding movable seat II 48 realize the same-direction movement,

a rotating seat is fixedly arranged on the first movable seat 47; the rotating base is rotatably connected with a rotating shaft 56; a pressure lever 57 is fixedly mounted on the rotating shaft 56; a press block 58 and a magnet II 59 are fixedly arranged on the press rod 57; a bearing block 60 is fixedly arranged on the second movable seat 48; a third magnet 61 is fixedly arranged inside the bearing block 60; the magnet III 61 and the magnet II 59 attract each other; the pressing block 58 is used for pressing a bottom plate or a substrate when the model is printed, so that the phenomenon that the model moves when a model cutting fulcrum is generated to cause inaccurate cutting position is avoided;

a through hole is provided inside the rotating shaft 56; a first mounting seat 62 is fixedly mounted on one side, close to the first movable seat 47, of the printing seat 2; the first mounting seat 62 is rotatably connected with a first mounting shaft 63; the first mounting shaft 63 is provided with a sliding groove 65; the rotating shaft 56 is fixedly provided with a sliding block 64 in the through hole; the sliding block 64 is connected with the sliding groove 65 in a sliding way; the first movable seat 47 moves, so that the sliding block 64 on the rotating shaft 56 moves along the sliding groove 65 of the first mounting shaft 63, and meanwhile, when the first mounting shaft 63 rotates, the first mounting shaft 63 drives the rotating shaft 56 and the pressing rod 57 to rotate through the sliding block 64;

one end of the mounting shaft I63 is fixedly provided with a chain wheel IV 66; a screw seat IV 49 close to the chain wheel IV 66 is rotationally connected with a mounting shaft II 67; the second mounting shaft 67 is also fixedly provided with a fourth chain wheel 66; the fourth chain wheel 66 is connected through a chain; a third mounting seat 68 is fixedly mounted on one side of the printing seat 2 close to the second mounting shaft 67; the mounting seat III 68 is rotatably connected with a mounting shaft III 69; a chain wheel V70 is fixedly arranged on the mounting shaft III 69 and the mounting shaft II 67; the chain wheel five 70 is connected through a chain; a bevel gear eight 71 is fixedly mounted on the mounting shaft three 69; a fourth mounting seat 72 is fixedly mounted on one side of the printing seat 2 close to the eighth bevel gear 71; the mounting seat IV 72 is rotatably connected with a mounting shaft IV 73; a bevel gear nine 74 and a tooth-missing gear 75 are fixedly arranged on the mounting shaft four 73; the gear with missing teeth 75 is matched with the bevel gear eight 71; the fourth mounting shaft 73 can drive the eighth bevel gear 71 and the third mounting shaft 69 to rotate through the toothless gear 75, so as to drive the fifth sprocket 70, the second mounting shaft 67, the fourth sprocket 66 and the first mounting shaft 63;

a first transmission seat 76 is fixedly arranged on one side of the printing seat 2 close to the middle seat 51; two second transmission seats 77 are fixedly arranged on one side of the printing seat 2 close to the first transmission seat 76; the first transmission seat 76 is rotatably connected with a first transmission shaft 78; the second transmission seat 77 is rotatably connected with a second transmission shaft 79; a first transmission shaft 78 and the adjacent intermediate shaft 52 are fixedly provided with a sixth chain wheel 80; the six chain wheels 80 are connected through a chain; a first straight gear 81 is fixedly installed on the first transmission shaft 78; a second spur gear 82 is fixedly installed on each second transmission shaft 79; the second straight gear 82 is symmetrically and fixedly provided with two arc-shaped racks 83; the second spur gears 82 are meshed with each other; the first straight gear 81 and the arc-shaped rack 83 are matched; the first straight gear 81 is meshed with an arc-shaped rack 83; a bevel gear cross 84 is fixedly arranged on one transmission shaft II 79; a double-head motor 85 is fixedly arranged between the second transmission seat 77 and the fourth installation seat 72 of the printing seat 2; the double-ended motor 85 is fixedly provided with a bevel gear eleventh 86 and a bevel gear twelfth 87 through a one-way bearing; the unidirectional bearings of bevel gear eleven 86 and bevel gear twelve 87 are in opposite directions; bevel gear eleven 86 meshes with bevel gear ten 84; bevel gear twelve 87 meshes with bevel gear nine 74; the gear-lacking gear 75 is provided with a limit groove; the fourth mounting shaft 73 is provided with a ball plunger 88; the ball plunger 88 is matched with the limiting groove; the ball plunger 88 can abut against the limiting groove, so that the rotation of the gear-lacking gear 75 is limited;

when the double-head motor 85 rotates forwards, the double-head motor 85 drives the bevel gear eleven 86 to rotate, so that the bevel gear ten 84, the transmission shaft II 79, the straight gear II 82, the arc-shaped rack 83, the straight gear I81 and the transmission shaft I78 are driven to rotate; because the second straight gear 82 is meshed with each other, the second transmission shaft 79 and the second straight gear 82 rotate in opposite directions, and the arc-shaped racks 83 on the second straight gear 82 are meshed with the first straight gear 81 in a staggered manner; the arc-shaped rack 83 on one straight gear II 82 drives the straight gear I81 to rotate forwards, the arc-shaped rack 83 on the other straight gear II 82 drives the straight gear I81 to rotate backwards, and the actions are repeated; the first transmission shaft 78 drives the intermediate shaft 52 to rotate through the sixth chain wheel 80, the intermediate shaft 52 drives the fourth screw rods 50 on the two sides to rotate in a reciprocating mode through the bevel gears, and therefore the fourth screw rods 50 drive the first transmission seats 76 and the second transmission seats 77 to move; when the double-end motor 85 rotates reversely, the double-end motor 85 drives the bevel gear twelve 87 to rotate, so as to drive the bevel gear nine 74, the mounting shaft four 73, the missing tooth gear 75, the bevel gear eight 71, the mounting shaft three 69, the sprocket five 70, the mounting shaft two 67, the sprocket four 66 and the mounting shaft one 63 to rotate; the first mounting shaft 63 drives the rotating shaft 56 and the pressure rod 57 to rotate through the sliding block 64, and abuts against the limiting groove through the ball plunger 88, so that the rotation of the gear-lacking gear 75 is limited; when the double-head motor 85 rotates forwards to drive the first transmission seat 76 and the second transmission seat 77 to be close to the base of the 3D model, the pressing block 58 is lifted through the mechanism; continuing to move the first transmission seat 76 and the second transmission seat 77, so that the pressing block 58 is positioned above the base of the 3D model; then the double-end motor 85 continues to rotate reversely, the gear 75 with the missing teeth is separated from the bevel gear eight 71, the swing rod 32 falls due to self weight, and finally the magnet two 59 and the magnet three 61 attract each other, so that the pressing block 58 presses the substrate.

Further, the extruder of the 3D printing apparatus is mounted on the moving block 89; a nozzle of the extruder is arranged close to the workbench 1; the moving block 89 is connected with the sliding block 3 in a sliding manner; the sliding blocks 3 are symmetrically provided with limiting plates; the limiting plates are provided with through holes; the moving block 89 is provided with two threaded holes; the limiting plate is provided with a screw 90 at the through hole; the screw 90 passes through the through hole to be in threaded connection with one threaded hole; the screw 90 can be taken out, and the position of the moving block 89 is moved so that the shower head is located at the lower end or lower end of the cutting blade 31; and switching the working state of the 3D printing device, and switching from the 3D printing state and the state of the cutting fulcrum.

Further, a fixed frame is fixedly arranged on the workbench 1; the fixed frame is linearly and uniformly provided with winding seats; the wire winding seats are rotatably connected with wire winding discs 91; the spool 91 is mounted with a printing wire; the printing wire rod is convenient to fix and take.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims

1. The 3D printing device is characterized by comprising a printed matter edge blank processing device, a printing seat (2), a workbench (1) and a control seat (4);

the printing seat (2) is connected to the workbench (1) in a sliding manner; the 3D printing device is provided with a sliding block (3) at the upper end of the printing seat (2); an XYZ three-axis moving platform is fixedly arranged on the workbench (1); the XYZ three-axis moving platform drives the sliding block (3) to move in the X-axis direction and the Y-axis direction; the XYZ three-axis moving platform drives the printing seat (2) to move in the Z-axis direction; the sliding block (3) is fixedly provided with the control seat (4); a cavity is arranged in the control seat (4); a motor four (5) is symmetrically and fixedly arranged on the control seat (4); a control shaft (6) is fixedly arranged on the motor IV (5); the control shafts (6) are fixedly provided with bevel gears I (7); the control shafts (6) are rotatably connected with connecting plates (8);

the connecting plates (8) are fixedly arranged with the connecting seats (9); a first driving seat (10) is fixedly arranged on the connecting seat (9); the first driving seat (10) is rotatably connected with a first driving shaft (11); a bevel gear II (12) is fixedly mounted on the driving shaft I (11); the bevel gear II (12) is meshed with the bevel gear I (7); a second driving seat (13), a third driving seat (14) and a fifth motor (15) are fixedly arranged in the connecting seat (9); the second driving seat (13) is rotatably connected with a second driving shaft (16), and the third driving seat (14) is rotatably connected with a third driving shaft (17); a bevel gear III (18) is fixedly arranged in the connecting seat (9) of the driving shaft I (11); a bevel gear IV (19) is fixedly arranged on the second driving shaft (16); a bevel gear V (20) is fixedly mounted on the driving shaft III (17); the bevel gear four (19) is meshed with the bevel gear three (18) and the bevel gear five (20); a turntable (21) is fixedly arranged on the motor five (15); the third driving shaft (17) is provided with a wire passing groove (22); the driving shaft III (17) penetrates through one side of the connecting seat (9) and is provided with the printed matter edge blank processing device; a wire outlet hole (23) is formed in one side, close to the printed matter edge blank processing device, of the wire passing groove (22); a first round block (24) is connected inside the wire passing groove (22) in a sliding manner; the round block I (24) is rotatably connected with a round block II (25); a first connecting rope (26) is fixedly arranged on the first round block (24); a second connecting rope (27) is fixedly arranged on the second round block (25); the second connecting rope (27) is connected with the rotary disc (21);

the printing product edge blank processing device comprises a knife handle (29), a swing rod (32), a sliding seat (30) and a supporting plate (28); the support plate (28) is fixedly arranged with the third driving shaft (17); the third driving shaft (17) is rotatably connected with two tool handles (29); the supporting plate (28) is connected with the sliding seat (30) in a sliding manner; a cutting knife (31) is fixedly arranged on one side of the knife handle (29) far away from the sliding seat (30); one side, close to the sliding seat (30), of the knife handle (29) is rotatably connected with the swing rod (32); a sliding shaft (33) is fixedly arranged on the sliding seat (30); the two swing rods (32) are rotatably connected with the sliding shaft (33); two magnets I (34) are fixedly arranged on one side, close to the sliding seat (30), of the knife handle (29); the first magnets (34) repel each other; the supporting plate (28) is symmetrically and fixedly provided with limiting blocks (35); the limiting block (35) is attracted with the first magnet (34); a fixed pulley (36) is fixedly arranged on one side, far away from the third driving shaft (17), of the supporting plate (28); the first connecting rope (26) penetrates through the wire outlet hole (23) and the fixed pulley (36) to be connected with the sliding seat (30).

2. The 3D printing device according to claim 1, wherein the XYZ three axis translation stage comprises a screw seat one, a screw seat two (43), and a screw seat three; the first screw rod seats are symmetrically and fixedly arranged on the workbench (1); the first screw seat is rotationally connected with a first screw (37); the first screw rods (37) are fixedly provided with first chain wheels (38); the first chain wheel (38) is connected through a chain; the first screw rods (37) are in threaded connection with the printing seat (2); one screw rod I (37) is driven by a motor I (39); the two screw rod seats (43) are symmetrically and fixedly arranged on the two sides of the printing seat (2) of the workbench (1); the second screw seat (43) is rotationally connected with a second screw (40); a second chain wheel (41) is fixedly arranged on each second screw rod (40); the second chain wheel (41) is connected through a chain; one second screw rod (40) is driven by a second motor (42); the second screw rod seat (43) is connected with a supporting seat (44) in a sliding manner; the supporting seat (44) is in threaded connection with the second screw rod (40); the supporting seat (44) is symmetrically and fixedly provided with a third screw rod seat; the third screw rod seats are rotationally connected with a third screw rod (45); the supporting seat (44) is connected with a sliding block (3) in a sliding manner; the sliding block (3) is in threaded connection with the third screw rod (45); the third screw (45) is driven by a third motor (46).

3. The 3D printing device according to claim 1, wherein the printing base (2) is symmetrically and slidably connected with two movable bases one (47) and two movable bases two (48); four screw rod seats (49) are fixedly arranged at the bottom of the printing seat (2); the screw rod seats IV (49) are all rotationally connected with screw rods IV (50); the first movable seat (47) and the second movable seat (48) are respectively in threaded connection with the fourth screw (50); an intermediate seat (51) is fixedly arranged between the adjacent screw seat four (49) on the same side; the middle seat (51) is rotatably connected with an intermediate shaft (52); a bevel gear six (53) is fixedly mounted on the intermediate shaft (52); a bevel gear seven (54) is fixedly arranged on one side of the screw rod four (50) close to the intermediate shaft (52); the bevel gear six (53) is meshed with the adjacent bevel gear seven (54); a chain wheel III (55) is fixedly arranged on one screw rod IV (50) close to the movable seat I (47) and one screw rod IV (50) close to the movable seat II (48); the third chain wheel (55) is connected through a chain; the first movable seat (47) is fixedly provided with a rotating seat; the rotating seat is rotatably connected with a rotating shaft (56); a pressure lever (57) is fixedly arranged on the rotating shaft (56); the pressing rod (57) is fixedly provided with a pressing block (58) and a second magnet (59); a bearing block (60) is fixedly arranged on the second movable seat (48); a third magnet (61) is fixedly arranged in the bearing block (60); the magnet III (61) and the magnet II (59) are attracted;

a through hole is formed in the rotating shaft (56); a first mounting seat (62) is fixedly mounted on one side, close to the first movable seat (47), of the printing seat (2); the first mounting seat (62) is rotatably connected with a first mounting shaft (63); the first mounting shaft (63) is provided with a sliding groove (65); a sliding block (64) is fixedly arranged in the through hole of the rotating shaft (56); the sliding block (64) is connected with the sliding groove (65) in a sliding manner; a chain wheel IV (66) is fixedly arranged at one end of the mounting shaft I (63); one screw seat IV (49) close to the chain wheel IV (66) is rotatably connected with a mounting shaft II (67); the second mounting shaft (67) is also fixedly provided with a fourth chain wheel (66); the fourth chain wheel (66) is connected through a chain; a third mounting seat (68) is fixedly mounted on one side, close to the second mounting shaft (67), of the printing seat (2); the mounting seat III (68) is rotatably connected with a mounting shaft III (69); a chain wheel V (70) is fixedly mounted on the mounting shaft III (69) and the mounting shaft II (67); the chain wheel five (70) is connected through a chain; a bevel gear eight (71) is fixedly mounted on the mounting shaft III (69); a fourth mounting seat (72) is fixedly mounted on one side, close to the eighth bevel gear (71), of the printing seat (2); the mounting seat IV (72) is rotatably connected with a mounting shaft IV (73); a bevel gear nine (74) and a tooth-missing gear (75) are fixedly mounted on the mounting shaft four (73); the gear with missing teeth (75) is matched with the bevel gear eight (71); a first transmission seat (76) is fixedly arranged on one side, close to one middle seat (51), of the printing seat (2); two second transmission seats (77) are fixedly arranged on one side, close to the first transmission seat (76), of the printing seat (2); the first transmission seat (76) is rotatably connected with a first transmission shaft (78); the second transmission seat (77) is rotatably connected with a second transmission shaft (79); a chain wheel six (80) is fixedly arranged on each transmission shaft I (78) and the adjacent intermediate shaft (52); the six chain wheels (80) are connected through a chain; a first straight gear (81) is fixedly installed on the first transmission shaft (78); a second straight gear (82) is fixedly arranged on each second transmission shaft (79); two arc-shaped racks (83) are symmetrically and fixedly arranged on the second straight gear (82); the second straight gears (82) are mutually meshed; the first straight gear (81) is matched with the arc-shaped rack (83); the first straight gear (81) is meshed with one arc-shaped rack (83); one second transmission shaft (79) is fixedly provided with a bevel gear (84); a double-head motor (85) is fixedly arranged between the second transmission seat (77) and the fourth mounting seat (72) of the printing seat (2); the double-end motor (85) is fixedly provided with a bevel gear eleven (86) and a bevel gear twelve (87) through a one-way bearing; the unidirectional bearings of the bevel gear eleven (86) and the bevel gear twelve (87) are opposite in rotation direction; the bevel gear eleven (86) is meshed with the bevel gear ten (84); the bevel gear twelve (87) is meshed with the bevel gear nine (74); the gear with missing teeth (75) is provided with a limiting groove; the fourth mounting shaft (73) is provided with a ball plunger (88); the ball plunger (88) is matched with the limiting groove.

4. The 3D printing device according to claim 1, characterized in that the extruder of the 3D printing device is mounted on a moving block (89); the nozzle of the extruder is arranged close to the workbench (1); the moving block (89) is connected with the sliding block (3) in a sliding manner; the sliding blocks (3) are symmetrically provided with limiting plates; the limiting plates are provided with through holes; the moving block (89) is provided with two threaded holes; the limiting plate is provided with a screw (90) at the through hole; the screw (90) penetrates through the through hole to be in threaded connection with one threaded hole.

5. The 3D printing device according to claim 4, characterized in that the table (1) is fixedly mounted with a mount; the winding seats are linearly and uniformly distributed on the fixing frame; the wire winding seats are rotatably connected with wire winding discs (91); the wire spool (91) is provided with a printing wire.