CN114851561B

CN114851561B - Composite continuous fiber 3D printing equipment convenient for rapidly replacing consumable

Info

Publication number: CN114851561B
Application number: CN202210334607.8A
Authority: CN
Inventors: 刘一胜; 张晓军; 宋大勇; 刘峻; 何明; 单莹莹
Original assignee: Jiangsu Mingya Technology Co ltd
Current assignee: Jiangsu Mingya Technology Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2023-06-20
Anticipated expiration: 2042-03-31
Also published as: CN114851561A

Abstract

The invention discloses composite material continuous fiber 3D printing equipment convenient for rapidly replacing consumable materials, which belongs to the field of 3D printing, and comprises an equipment body, wherein a wire feeding shell is arranged on one side of the equipment body, two trays are arranged on one side of the equipment body, a wire feeding motor is arranged in the wire feeding shell, a first driving wheel is arranged on one side of the wire feeding motor, a second driving wheel is arranged at the bottom of the first driving wheel, the first driving wheel is connected with the second driving wheel through a connecting belt, two pressing wheels are also arranged in the wire feeding shell in a sliding manner, and are respectively opposite to the first driving wheel and the second driving wheel.

Description

Composite continuous fiber 3D printing equipment convenient for rapidly replacing consumable

Technical Field

The invention relates to the field of 3D printing, in particular to composite material continuous fiber 3D printing equipment convenient for quickly replacing consumables.

Background

The authorized publication number is: the wire feeding mechanism of the FDM 3D printing equipment disclosed by CN201821817985.7 is characterized in that annular grooves matched with wires are formed in the extrusion wheel and the compression bearing, so that the feeding force is increased greatly; meanwhile, the annular grooves on the extrusion wheel and the compression bearing can play a limiting role on the wire materials in feeding, so that the wire materials are prevented from slipping in the feeding process; however, this kind of mode and wire feeding mechanism among the prior art need cut the consumptive material through artifical manual when changing the consumptive material and take out, then insert other consumptive material silk alignment hole groove again, when need change different consumptive materials repeatedly and print the use, the manual change of once is too time-consuming, influences printing efficiency.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide the composite material continuous fiber 3D printing equipment which is convenient for quickly replacing consumable materials, can realize the preparation of the consumable materials with two different materials or colors, can be directly and quickly replaced when the consumable materials need to be repeatedly replaced, is immediately put into use, has simple and convenient operation steps, can save the replacement time and improves the printing efficiency of the equipment.

2. Technical proposal

In order to solve the problems, the invention adopts the following technical scheme:

the utility model provides a composite material continuous fiber 3D printing equipment convenient to swiftly change consumptive material, includes the equipment body, one side of equipment body sets up the wire feed casing to be provided with two charging trays, send the silk motor to install in the wire feed casing, send one side of silk motor to install first drive wheel, the bottom of first drive wheel is provided with the second drive wheel, first drive wheel with the second drive wheel passes through the connecting band to be connected, send still slidable mounting in the wire feed casing to have two pinch rollers, two the pinch rollers respectively with first drive wheel and second drive wheel are relative, two one side of pinch roller is provided with adjusting part;

the adjusting component comprises a connecting plate arranged at one side of two pressing wheels, a side plate is arranged at one side of the connecting plate, a spring is arranged at one side of the side plate away from the connecting plate, a movable plate is arranged at one side of the spring away from the side plate, a threaded rod is arranged at one side of the movable plate away from the spring, and one side of the threaded rod away from the movable plate penetrates through to the outer side of the wire feeding shell and is provided with a knob;

a switching mechanism is arranged between the second driving wheel and the pressing wheel, and a locking mechanism is further arranged on the switching mechanism.

Further, the conversion mechanism comprises a containing frame, the containing frame is a rectangular frame body, the containing frame is provided with a first perforation, a second perforation and a third perforation which are vertically penetrated, the third perforation is positioned between the first perforation and the second perforation, a first consumable wire and a second consumable wire are respectively penetrated in the first perforation and the second perforation, the surface of the first consumable wire is contacted with the first transmission wheel, the second transmission wheel and the two pressing wheels, two blades are further arranged in the wire feeding shell body and are respectively positioned at the top and the bottom of the first consumable wire, fixing columns are arranged on two sides of the containing frame body, one fixing column is far away from one end of the containing frame body, and one end of the connecting rod penetrates through the outer side of the wire feeding shell body and is provided with a connecting rod.

Further, the locking mechanism is including the cover being established the limiting plate in the fixed column outside, the limiting plate is the U-shaped, just the height of limiting plate inner wall is greater than hold the height of frame, the shape of fixed column is T shape cylinder, the limiting plate with install the extension spring between the horizontal straight part of fixed column, the width of limiting plate is greater than hold the width of frame, send silk shells inner wall's both sides all to install the spacer block, a plurality of the spacer block all is located two between the limiting plate.

Further, two support plates are installed in the accommodating frame, and the two support plates are located on two sides of the third perforation respectively.

Further, the surface of the accommodating frame, which is close to one side of the connecting plate, is provided with three extrusion blocks, the extrusion blocks are triangular, and the distance between the two extrusion blocks is larger than the thickness of the connecting plate.

Further, the rubber ring sleeved on the connecting rod is installed at the through hole of the connecting rod on the wire feeding shell, and the inner wall of the rubber ring is in close fit contact with the outer wall of the connecting rod.

Further, the diameters of the first perforation, the second perforation and the third perforation are equal, and are at least one third greater than the diameter of the first consumable wire.

Further, the top and the bottom of limiting plate all install the extension piece, the extension piece is close to the surface of holding frame one side sets up to the arcwall face.

Further, the distance between the two support plates and the inner wall of the containing frame are larger than the distance between the second driving wheel and the pressing wheel.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) According to the scheme, two consumable wires are assembled in the wire feeding shell through the switching mechanism, the steps of shearing, material returning and feeding replacement can be completed rapidly when the consumable wires need to be replaced, and the operation mode is simple and convenient;

(2) According to the scheme, the locking mechanism is arranged to clamp and limit two consumable wires during material returning, so that the consumable wires are prevented from falling off, and when the consumable wires are positioned between the second driving wheel and the pressing wheel, the limiting can be automatically canceled, and the movement of the consumable wires is not influenced;

(3) The switching mechanism box locking mechanism in this scheme all can adapt to the consumable silk of equidimension diameter not, can be applicable to most consumable silk on the market through adjustment mechanism's adjustment to improve the application scope of this scheme.

Drawings

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

FIG. 2 is a schematic backside view of the overall structure of the present invention;

FIG. 3 is an enlarged view of the invention at A in FIG. 2;

FIG. 4 is a schematic diagram of the main structure of the present invention;

FIG. 5 is an exploded view of the primary structure of the present invention;

FIG. 6 is a side cross-sectional view of the wire feeder housing of the present invention;

FIG. 7 is a top cross-sectional view of the wire feeder housing of the present invention;

FIG. 8 is an enlarged view of the invention at B in FIG. 5;

fig. 9 is an enlarged view of the present invention at C in fig. 6.

The reference numerals in the figures illustrate:

1. an equipment body; 2. a wire feeding shell; 3. a material tray; 4. a wire feeding motor; 5. a first driving wheel; 6. a second driving wheel; 7. a connecting belt; 8. a pinch roller; 9. a connecting plate; 10. a side plate; 11. a spring; 12. a movable plate; 13. a threaded rod; 14. a knob; 15. a housing frame; 16. a first perforation; 17. a second perforation; 18. a third perforation; 19. a first consumable wire; 20. a second consumable wire; 21. a blade; 22. fixing the column; 23. a connecting rod; 24. a link rod; 25. a limiting plate; 26. a tension spring; 27. a barrier block; 28. a support plate; 29. extruding a block; 30. a rubber ring; 31. an extension block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present invention are within the protection scope of the present invention.

Example 1:

referring to fig. 1-9, a composite material continuous fiber 3D printing device convenient for rapidly replacing consumables comprises a device body 1, wherein a wire feeding shell 2 is arranged on one side of the device body 1, two material trays 3 are arranged in the wire feeding shell 2, a wire feeding motor 4 is arranged in the wire feeding shell 2, a first driving wheel 5 is arranged on one side of the wire feeding motor 4, a second driving wheel 6 is arranged at the bottom of the first driving wheel 5, the first driving wheel 5 is connected with the second driving wheel 6 through a connecting belt 7, two pressing wheels 8 are also arranged in the wire feeding shell 2 in a sliding manner, the two pressing wheels 8 are respectively opposite to the first driving wheel 5 and the second driving wheel 6, and one side of each pressing wheel 8 is provided with an adjusting component;

the adjusting component comprises a connecting plate 9 arranged at one side of two compression wheels 8, a side plate 10 is arranged at one side of the connecting plate 9, a spring 11 is arranged at one side of the side plate 10 far away from the connecting plate 9, a movable plate 12 is arranged at one side of the spring 11 far away from the side plate 10, a threaded rod 13 is arranged at one side of the movable plate 12 far away from the spring 11, and one side of the threaded rod 13 far away from the movable plate 12 penetrates through the outer side of the wire feeding shell 2 and is provided with a knob 14;

a conversion mechanism is arranged between the second driving wheel 6 and the pressing wheel 8, and a locking mechanism is also arranged on the conversion mechanism;

through using conversion mechanism can realize through in send silk casing 2 to assemble two kinds of consumptive material silk, completion shearing that can be quick when needs change, material returning and change feeding step, and easy operation is convenient, locking mechanism can press from both sides tight restriction to two consumptive material silk when material returning, prevent to drop, and can cancel spacingly voluntarily when the consumptive material silk is located between second drive wheel 6 and the pinch roller 8, can not influence the removal of consumptive material silk, and adjusting part can realize being applicable to the consumptive material silk of different size diameters with the conversion mechanism cooperation.

Referring to fig. 4 and 5, the conversion mechanism includes a receiving frame 15, the receiving frame 15 is a rectangular frame body, the receiving frame 15 is provided with a first perforation 16, a second perforation 17 and a third perforation 18 which are penetrated up and down, the third perforation 18 is positioned between the first perforation 16 and the second perforation 17, a first consumable wire 19 and a second consumable wire 20 are respectively penetrated in the first perforation 16 and the second perforation 17, the surface of the first consumable wire 19 is contacted with the first driving wheel 5, the second driving wheel 6 and the two pressing wheels 8, two blades 21 are also installed in the wire feeding shell 2, the two blades 21 are respectively positioned at the top and the bottom of the first consumable wire 19, both sides of the receiving frame 15 are provided with fixing columns 22, one end of one fixing column 22 far away from the receiving frame 15 is provided with a connecting rod 23, and one end of the connecting rod 23 penetrates to the outer side of the wire feeding shell 2 and is provided with a connecting rod 24;

the connecting rod 23, the fixing column 22, the blade 21 and the accommodating frame 15 are driven to move through the applicable connecting rod 24, the accommodating frame 15 drives the first consumable wire 19 and the second consumable wire 20 to move, the accommodating frame 15 drives the first consumable wire 19 to move and cuts the first consumable wire 19 through the blade 21, the third perforation 18 can return materials when facing between the second driving wheel 6 and the pressing wheel 8, and then the second consumable wire 20 is positioned between the second driving wheel 6 and the pressing wheel 8.

Referring to fig. 5 and 9, the locking mechanism includes a limiting plate 25 sleeved on the outer side of the fixing post 22, the limiting plate 25 is U-shaped, the height of the inner wall of the limiting plate 25 is greater than the height of the accommodating frame 15, the fixing post 22 is in a T-shaped cylinder, a tension spring 26 is installed between the limiting plate 25 and the transverse straight part of the fixing post 22, the width of the limiting plate 25 is greater than the width of the accommodating frame 15, two sides of the inner wall of the wire feeding shell 2 are provided with blocking blocks 27, and a plurality of blocking blocks 27 are located between the two limiting plates 25;

can press from both sides tight restriction to the consumptive material through the cooperation of extension spring 26 and limiting plate 25, can prevent that the consumptive material from breaking away from and hold frame 15, and the separation piece 27 of setting can ensure limiting plate 25 and move to the certain distance after following holding frame 15, restriction limiting plate 25 removes once more to realize that the consumptive material that is located between second drive wheel 6 and pinch roller 8 no longer receives limiting plate 25's restriction, send the silk dynamics.

Referring to fig. 5, two support plates 28 are installed inside the receiving frame 15, and the two support plates 28 are respectively located at both sides of the third through hole 18;

the support plate 28 can provide a certain supporting effect for consumable wires, prevents the consumable wires from falling downwards, improves the stability of wire feeding, and is easier and smoother when the user inserts the consumable wires into the containing frame 15.

Referring to fig. 8, three extrusion blocks 29 are installed on the surface of the receiving frame 15 near one side of the connection plate 9, the extrusion blocks 29 are triangular in shape, and the interval between the two extrusion blocks 29 is greater than the thickness of the connection plate 9;

the extrusion block 29 is arranged to drive the two pressing wheels 8 to move through the connecting plate 9 when the accommodating frame 15 moves up and down, so that the distance between the pressing wheels 8 and the second driving wheel 6 is pulled away, the first consumable wire 19 can be smoothly taken out, and the extrusion block 29 can also play a certain limiting role on the accommodating frame 15.

Referring to fig. 7, a rubber ring 30 sleeved on the connecting rod 23 is installed at a through hole of the connecting rod 23 on the wire feeding shell 2, and the inner wall of the rubber ring 30 is tightly attached to and contacted with the outer wall of the connecting rod 23;

the frictional resistance of the rubber ring 30 with the connecting rod 23 can further improve the stability of the accommodating frame 15 by cooperating with the pressing block 29, and prevent the displacement and dislocation of the accommodating frame 15.

Referring to fig. 5 and 6, the diameters of the first perforation 16, the second perforation 17 and the third perforation 18 are equal and are at least one third greater than the diameter of the first consumable wire 19;

the universality of three grooves can be ensured through the arrangement, consumable materials with different sizes and diameters can be adapted, and the application range can be improved through the cooperation of the consumable materials and the adjusting component.

Referring to fig. 5, the top and bottom of the limiting plate 25 are provided with extension blocks 31, and the surface of the extension block 31 near one side of the accommodating frame 15 is provided with an arc surface;

can be to the contact of consumptive material and the bigger area of consumptive material through extending piece 31 to further improvement is to the tight spacing effect of clamp of consumptive material, and can prevent that the consumptive material from being pressed from both sides the condition that damage leads to the fracture from appearing.

Referring to fig. 5, the distance between the two support plates 28 and the inner wall of the accommodating frame 15 are both larger than the distance between the second driving wheel 6 and the pressing wheel 8;

the setting can guarantee like this that extension board 28 can not influence second drive wheel 6 and pinch roller 8 to the normal silk that send of consumptive material, and extension board 28 is located the consumptive material bottom also can play the supporting role, prevents that the consumptive material from breaking away from between second drive wheel 6 and the pinch roller 8.

When in use: when different consumable wires need to be replaced, a user directly drives the connecting rod 23 to move through the pulling connecting rod 24, the connecting rod 23 drives the containing frame 15 to move through the tension spring 26, the containing frame 15 drives the first consumable wire 19 to move, the first consumable wire 19 is cut by the blade 21 when moving, when the position of the third through hole 18 is right opposite to between the second driving wheel 6 and the pressing wheel 8, the user can control the wire feeding motor 4 to rotate reversely, the first driving wheel 5 and the pressing wheel 8 drive the consumable on the upper part to move downwards to pass through the third through hole 18, so that material returning is realized, and then the containing frame 15 is directly moved upwards to enable the second consumable wire 20 in the second through hole 17 to be positioned between the second driving wheel 6 and the pressing wheel 8, and the motor can be started to rotate forwards to feed the wire.

The above description is only of the preferred embodiments of the present invention; the scope of the invention is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present invention, and the technical solution and the improvement thereof are all covered by the protection scope of the present invention.

Claims

1. Composite material continuous fiber 3D printing equipment convenient to swiftly change consumptive material, including equipment body (1), its characterized in that: a wire feeding shell (2) is arranged on one side of the equipment body (1), two material trays (3) are arranged, a wire feeding motor (4) is arranged in the wire feeding shell (2), a first driving wheel (5) is arranged on one side of the wire feeding motor (4), a second driving wheel (6) is arranged at the bottom of the first driving wheel (5), the first driving wheel (5) is connected with the second driving wheel (6) through a connecting belt (7), two pressing wheels (8) are further arranged in the wire feeding shell (2) in a sliding mode, the two pressing wheels (8) are respectively opposite to the first driving wheel (5) and the second driving wheel (6), and one side of each pressing wheel (8) is provided with an adjusting component;

the adjusting component comprises a connecting plate (9) arranged on one side of each pressing wheel (8), a side plate (10) is arranged on one side of each connecting plate (9), a spring (11) is arranged on one side, far away from each connecting plate (9), of each side plate (10), a movable plate (12) is arranged on one side, far away from each side plate (10), of each spring (11), a threaded rod (13) is arranged on one side, far away from each movable plate (12), of each threaded rod (13) penetrates through the outer side of each wire feeding shell (2) and is provided with a knob (14);

a conversion mechanism is arranged between the second driving wheel (6) and the pressing wheel (8), and a locking mechanism is further arranged on the conversion mechanism;

the switching mechanism comprises a containing frame (15), wherein the containing frame (15) is a rectangular frame body, two blades (21) are vertically arranged on the containing frame (15), the third holes (18) are positioned between the first holes (16) and the second holes (17), first consumable wires (19) and second consumable wires (20) are respectively inserted into the first holes (16) and the second holes (17), the surface of the first consumable wires (19) is contacted with the first driving wheel (5), the second driving wheel (6) and the two pressing wheels (8), two blades (21) are further arranged in the wire feeding shell (2), the two blades (21) are respectively positioned at the top and the bottom of the first consumable wires (19), fixing columns (22) are respectively arranged on two sides of the containing frame (15), one fixing column (22) is far away from the containing frame (15), and a connecting rod (23) is arranged at one end of the fixing column (22), and a connecting rod (23) is arranged at the outer side of the connecting rod (2);

the locking mechanism comprises a limiting plate (25) sleeved on the outer side of a fixed column (22), the limiting plate (25) is U-shaped, the height of the inner wall of the limiting plate (25) is larger than that of a containing frame (15), the shape of the fixed column (22) is a T-shaped cylinder, a tension spring (26) is arranged between the limiting plate (25) and the transverse straight part of the fixed column (22), the width of the limiting plate (25) is larger than that of the containing frame (15), two sides of the inner wall of a wire feeding shell (2) are provided with blocking blocks (27), and the blocking blocks (27) are located between the two limiting plates (25).

2. The composite continuous fiber 3D printing device for facilitating rapid replacement of consumables according to claim 1, wherein: two support plates (28) are arranged in the accommodating frame (15), and the two support plates (28) are respectively positioned at two sides of the third perforation (18).

3. The composite continuous fiber 3D printing device for facilitating rapid replacement of consumables according to claim 1, wherein: three extrusion blocks (29) are arranged on the surface of the accommodating frame (15) close to one side of the connecting plate (9), the extrusion blocks (29) are triangular, and the distance between the two extrusion blocks (29) is larger than the thickness of the connecting plate (9).

4. The composite continuous fiber 3D printing device for facilitating rapid replacement of consumables according to claim 1, wherein: the rubber ring (30) sleeved on the connecting rod (23) is installed at the through hole of the connecting rod (23) on the wire feeding shell (2), and the inner wall of the rubber ring (30) is tightly attached to and contacted with the outer wall of the connecting rod (23).

5. The composite continuous fiber 3D printing device for facilitating rapid replacement of consumables according to claim 1, wherein: the diameters of the first perforation (16), the second perforation (17) and the third perforation (18) are equal, and are at least one third greater than the diameter of the first consumable wire (19).

6. The composite continuous fiber 3D printing device for facilitating rapid replacement of consumables according to claim 1, wherein: extension blocks (31) are arranged at the top and the bottom of the limiting plate (25), and the surfaces, close to one side of the containing frame (15), of the extension blocks (31) are arc-shaped surfaces.

7. The composite continuous fiber 3D printing device for facilitating rapid replacement of consumables according to claim 2, wherein: the distance between the two support plates (28) and the inner wall of the accommodating frame (15) are larger than the distance between the second driving wheel (6) and the pressing wheel (8).