CN220756534U - Material extrusion structure for 3D printer - Google Patents

Abstract

The utility model discloses a material extrusion structure for a 3D printer, which relates to the technical field of 3D printers and comprises a material cylinder fixing frame, wherein a food feeding module is arranged at the top of the front surface of the material cylinder fixing frame, and a material cylinder plug rod is arranged at the bottom of the material cylinder fixing frame, which is close to the food feeding module. According to the utility model, the feed cylinder fixing frame, the food feeding module, the H-shaped connecting block I, the H-shaped connecting block II and the clamping assembly are matched with each other, the food feeding cylinder module is turned over and fixed through the feed cylinder fixing frame, the food raw materials are fed through the food feeding module, the printing static and dynamic leveling functions are realized through the printing leveling module, the food raw materials are stored and heated through the feed cylinder plug rod, the H-shaped connecting block I and the H-shaped connecting block II are connected through the clamping assembly, the needle head is damaged and replaced quickly, the working efficiency of the 3D printer is improved, and the clamping assembly is used for replacing when the 3D printer needs to print different shapes.

Description

Material extrusion structure for 3D printer

Technical Field

The utility model relates to the technical field of 3D printers, in particular to a material extrusion structure for a 3D printer.

Background

The 3D printer, also called a three-dimensional printer, is a process device for rapid prototyping, which is a technology for constructing objects by using a bondable material such as powdered metal or plastic on the basis of a digital model file, and by means of layer-by-layer printing, the 3D printing is usually implemented by using a digital technology material printer, and is often used for manufacturing models in the fields of mold manufacturing, industrial design and the like, and then gradually used for directly manufacturing some products, and there are parts printed by using the technology, and the technology is applied to jewelry, footwear, industrial design, construction, engineering and construction, automobiles, aerospace, dental and medical industries, education, geographic information systems, civil engineering, guns and other fields.

At present, a detailed 3D printing material extruding device is not seen, the technology related to the aspect is blank, the technology needs to be studied deeply, the device is provided for later-stage customization large-scale production, and the prior art provides a publication number: CN205695626U, the above-mentioned new type belongs to food 3D and prints the relevant field, and disclose a food 3D printer supplies the extrusion device, this extrusion device includes food and feeds the module, feed cylinder mount, food feed cylinder heating module, prints the leveling module, wherein the food feeds the module and includes base plate, guide rail, runs through stepper motor, lead screw, slide block, piston, realize the feed of the raw materials of food; the charging barrel fixing frame comprises a connecting plate, a fixing piece and a fixing pin, so that the overturning, rotation and fixing of the food charging barrel module are realized; the utility model provides a food material barrel heating and extruding device, which has the advantages of long service life, quick material changing, stable and reliable work, high printing precision, low use cost, easy cleaning and the like, and is particularly suitable for a food 3D printing mass production field by comprehensively unifying the functions of heating, controlling the temperature, extruding and automatically leveling food, realizing the extrusion under a good flowing state of the food, greatly improving the quality and the efficiency of the outflow of the food printing materials.

In the prior art, although the functions of heating, controlling temperature, extruding and automatically leveling food are comprehensively unified, the extrusion of food under a good flowing state is realized, the quality and efficiency of food printing material outflow are greatly improved, the device is particularly suitable for food 3D printing large-batch large-scale production fields, a charging barrel plug rod and a needle head assembly in the prior art are fixedly connected, a large amount of time is consumed for replacing the charging barrel plug rod when the needle head assembly is damaged, the working efficiency of a 3D printer is reduced, and the 3D printer needs to print different shapes, but can not be replaced at will, so that the working efficiency is low.

Disclosure of Invention

The utility model aims to provide a material extrusion structure for a 3D printer, which aims to solve the problems in the background technology.

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

the utility model provides a material extrusion structure that 3D printer was used, includes the feed cylinder mount, the positive top of feed cylinder mount is provided with the food and feeds the module, the feed cylinder mount is close to the bottom that the food fed the module is provided with the feed cylinder cock stem, the left bottom of feed cylinder mount is provided with prints leveling module, the bottom intercommunication of feed cylinder cock stem has H type to link a piece I, the bottom of H type to link a piece I is provided with the syringe needle, the top intercommunication of syringe needle has H type to link a piece II, the bottom fixedly connected with baffle of feed cylinder cock stem outer wall, the bottom of baffle is provided with clamping assembly.

Adopt above-mentioned technical scheme, through setting up the feed cylinder mount in this scheme, food feeds the module, print leveling module, H type even piece one, H type even piece two, baffle and clamping assembly mutually support, it is rotatory and fixed to realize food feed cylinder module's turnover through the feed cylinder mount, realize food raw materials's feeding through the food feed module, realize the static and dynamic leveling function of printing through printing leveling module, realize food raw materials's storage and heating through the feed cylinder cock stem, make H type even piece one and H type even piece two connect through clamping assembly, damage at the syringe needle and carry out quick replacement, improve 3D printer's work efficiency, when 3D printer needs to print different shapes, change through clamping assembly.

The technical scheme of the utility model is further improved as follows: the clamping assembly comprises a telescopic rod, the output end of the telescopic rod is fixedly connected with a K-shaped push block, U-shaped grooves are formed in the two ends of the bottom of the K-shaped push block, C-shaped blocks I are arranged at the two ends of the outer wall of each U-shaped groove, shafts I are slidably connected to the inner walls of the U-shaped grooves, and the two ends of the shafts I penetrate through the outer sides of the C-shaped blocks I and are fixedly connected with the C-shaped blocks I.

By adopting the technical scheme, in the scheme, the telescopic rod, the K-shaped push block, the U-shaped groove and the first shaft rod are mutually matched, the telescopic rod is started, the output end of the telescopic rod drives the K-shaped push block to move backwards, and the K-shaped push block is connected with the first shaft rod in a sliding mode through the first shaft rod and the U-shaped groove in a sliding mode, and drives the first shaft rod to slide outwards when the K-shaped push block moves backwards.

The technical scheme of the utility model is further improved as follows: the two sides of the outer wall of the H-shaped connecting block are provided with a C-shaped clamping plate I, the two sides of the outer wall of the H-shaped connecting block are provided with a C-shaped clamping plate II, the two sides of the C-shaped clamping plate I and the outer side of the C-shaped clamping plate II are fixedly connected with fixing blocks, and the two sides of the fixing blocks are fixedly connected with limiting shafts.

By adopting the technical scheme, in the scheme, the first C-shaped clamping plate, the second C-shaped clamping plate, the fixed block and the limiting shaft are mutually matched, the second shaft rod is used for fixing and limiting the first C-shaped block, the first shaft rod drives the first C-shaped block to rotate outwards, the first C-shaped block rotates through the second shaft rod, the first C-shaped block drives the second C-shaped block to move inwards, the second C-shaped block is connected with the limiting shaft through the third shaft rod, the second C-shaped block drives the limiting shaft to move inwards, and the limiting shaft drives the fixed block to move inwards.

The technical scheme of the utility model is further improved as follows: the two sides the outside of spacing axle all is provided with C type piece two, both sides the equal fixedly connected with axostylus axostyle three of one end at C type piece two tops, the one end of axostylus axostyle three run through to the bottom of spacing axle and with spacing axle rotation is connected, the one end of C type piece two with the one end fixed connection of C type piece one, the one end rotation of C type piece one bottom is connected with axostylus axostyle two, the one end of axostylus axostyle two runs through to the top of C type piece one and with the bottom fixed connection of baffle.

By adopting the technical scheme, the C-shaped block II, the shaft rod III and the shaft rod II are mutually matched, the fixing block drives the C-shaped clamping plate I and the C-shaped clamping plate II to move inwards, and the H-shaped connecting block I and the H-shaped connecting block II are clamped into the outer wall of the H-shaped connecting block I and the H-shaped connecting block II through the inward movement of the C-shaped clamping plate I and the C-shaped clamping plate II to fix the H-shaped connecting block I and the H-shaped connecting block II.

The technical scheme of the utility model is further improved as follows: the outer wall fixedly connected with fixed disk of syringe needle, the fixed slot has all been seted up to the both sides of fixed disk, the bottom of syringe needle outer wall is provided with the dog.

By adopting the technical scheme, the C-shaped block III and the stop block are pushed upwards from the bottom of the needle head by arranging the fixing disc, the fixing groove and the stop block to be matched with each other in the scheme, so that the stop block is arranged at the bottom of the needle head, the needle head is blocked, and dust is prevented from entering the inside of the plug rod of the charging barrel through the needle head.

The technical scheme of the utility model is further improved as follows: the bottom fixedly connected with C type piece III of dog, the both sides of C type piece III all are provided with the fixed axle, the one end of fixed axle extends to the inner wall of fixed slot.

By adopting the technical scheme, the C-shaped block III and the fixing shaft are matched with each other, one end of the fixing shaft on two sides of the C-shaped block III extends to the fixing groove, and the C-shaped block III and the fixing disc are fixed together.

The technical scheme of the utility model is further improved as follows: the bottom of the H-shaped connecting block I is fixedly connected with a concave closed loop, and the top of the H-shaped connecting block II is fixedly connected with a convex closed loop.

By adopting the technical scheme, the concave closed loop and the convex closed loop are matched with each other, the first H-shaped connecting block is connected with the second H-shaped connecting block, the convex closed loop at the top of the second H-shaped connecting block is meshed with the concave closed loop at the bottom of the first H-shaped connecting block, and the first H-shaped connecting block is connected with the second H-shaped connecting block more tightly through the meshing of the convex closed loop and the concave closed loop.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress: the connection between the H-shaped connecting block I and the H-shaped connecting block II is tighter through the engagement of the convex closed loop and the concave closed loop.

1. The utility model provides a material extrusion structure for a 3D printer, which is characterized in that a charging barrel fixing frame, a food feeding module, a printing leveling module, an H-shaped connecting block I, an H-shaped connecting block II, a baffle plate and a clamping assembly are mutually matched, the food charging barrel module is turned and fixed through the charging barrel fixing frame, the food raw materials are fed through the food feeding module, the printing static and dynamic leveling functions are realized through the printing leveling module, the food raw materials are stored and heated through a charging barrel plug rod, the H-shaped connecting block I and the H-shaped connecting block II are connected through the clamping assembly, the needle head is damaged and replaced quickly, the working efficiency of the 3D printer is improved, and when the 3D printer needs to print different shapes, the clamping assembly is used for replacing.

2. The utility model provides a material extrusion structure for a 3D printer, which utilizes the mutual matching of a C-shaped block II, a shaft lever III and a shaft lever II, wherein a fixing block drives a C-shaped clamping plate I and a C-shaped clamping plate II to move inwards, and an H-shaped connecting block I and an H-shaped connecting block II are clamped into the outer wall of the H-shaped connecting block I and the H-shaped connecting block II through the inward movement of the C-shaped clamping plate I and the C-shaped clamping plate II to fix the H-shaped connecting block I and the H-shaped connecting block II.

3. The utility model provides a material extrusion structure for a 3D printer, which utilizes the mutual matching of a fixed disc, a fixed groove and a stop block to push a C-shaped block III and the stop block upwards from the bottom of a needle head, so that the stop block is arranged at the bottom of the needle head, the needle head is blocked, and dust is prevented from entering the inside of a plug rod of a charging barrel through the needle head.

Drawings

FIG. 1 is a front view of a cartridge holder of the present utility model;

FIG. 2 is a block diagram of a cartridge stopper of the present utility model;

FIG. 3 is a block diagram of a needle in accordance with the present utility model;

fig. 4 is a block diagram of a clamping assembly of the present utility model.

In the figure: 1. a charging barrel fixing frame; 2. a food feed module; 3. a printing leveling module; 4. a cartridge stopper rod; 5. a partition plate; 6. a clamping assembly; 61. a telescopic rod; 62. a K-shaped pushing block; 63. a U-shaped groove; 64. c-shaped block I; 65. c-shaped blocks II; 66. a first shaft lever; 67. a second shaft lever; 68. a third shaft lever; 69. c-shaped clamping plate I; 610. c-shaped clamping plates II; 611. a fixed block; 612. a limiting shaft; 7. h-shaped connecting block I; 8. a concave closed loop; 9. a needle; 10. h-shaped connecting blocks II; 11. a convex closed loop; 12. a fixed plate; 13. a fixing groove; 14. c-shaped block III; 15. a stop block; 16. and a fixed shaft.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1-4, the utility model provides a material extruding structure for a 3D printer, which comprises a material barrel fixing frame 1, a food feeding module 2 is arranged at the front top of the material barrel fixing frame 1, a material barrel plug rod 4 is arranged at the bottom of the material barrel fixing frame 1, which is close to the food feeding module 2, a printing leveling module 3 is arranged at the bottom of the left side of the material barrel fixing frame 1, a needle 9 is arranged at the bottom of a first connecting block 7,H type connecting block 7, a second connecting block 10 is arranged at the top of the needle 9, a partition 5 is fixedly connected at the bottom of the outer wall of the material barrel plug rod 4, a clamping component 6 is arranged at the bottom of the partition 5, the clamping component 6 comprises a telescopic rod 61, a K-shaped pushing block 62 is fixedly connected at the output end of the telescopic rod 61, a first connecting block 64 is arranged at the two ends of the bottom of the K-shaped pushing block 62, a first 66 connecting shaft rod 66 is connected at the two ends of the outer wall of the first connecting block 63 in a sliding manner, a second connecting block 611 is connected at the inner wall of the two sides of the first connecting block 64 in a sliding manner, two ends of the first 610 penetrating through the outer side of the first connecting block 64 and fixedly connected with the first connecting block 612 and the second connecting block 7, a second connecting block 611 is fixedly connected at the two sides of the first connecting block 69, and the first connecting block 611 is fixedly connected with the two sides of the first connecting block and the second connecting block is fixedly connected with the second connecting block 69.

In the embodiment, through arranging the feed cylinder fixing frame 1, the food feeding module 2, the printing leveling module 3, the first H-shaped connecting block 7, the second H-shaped connecting block 10, the partition board 5 and the clamping component 6 to be matched with each other, the food feed cylinder fixing frame 1 is used for realizing the turning and fixing of the food feed cylinder module, the food feeding module 2 is used for realizing the feeding of food raw materials, the printing static and dynamic leveling functions are realized through the printing leveling module 3, the storage and heating of the food raw materials are realized through the feed cylinder plug rod 4, the first H-shaped connecting block 7 and the second H-shaped connecting block 10 are connected through the clamping component 6, when the needle 9 is damaged to be quickly replaced, the working efficiency of the 3D printer is improved, and when the 3D printer needs to print different shapes, the 3D printer is replaced through the clamping component 6, through setting up telescopic link 61, K type ejector pad 62, U type groove 63 and axostylus axostyle first 66 mutually support, start telescopic link 61, the output of telescopic link 61 drives K type ejector pad 62 and moves backward, through axostylus axostyle first 66 and U type groove 63 sliding connection, drive axostylus axostyle first 66 outwards slide when moving backward, through setting up C type splint first 69, C type splint second 610, fixed block 611 and spacing axle 612 mutually support, axostylus axostyle second 67 carries out fixing and spacing to C type piece first 64, axostylus axostyle first 66 drives C type piece first 64 outwards and rotates, C type piece first 64 rotates through axostylus axostyle second 67, C type piece first 64 drives C type piece second 65 inwards move, C type piece second 65 is connected with spacing axle 612 through axostylus axostyle third 68, C type piece second 65 drives spacing axle 612 inwards move, spacing axle 612 drives fixed block 611 inwards move.

Example 2

As shown in fig. 1-4, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the outside of both sides spacing axle 612 all is provided with C type piece two 65, the one end at both sides C type piece two 65 tops all fixedly connected with axostylus axostyle three 68, the one end of axostylus axostyle three 68 runs through to the bottom of spacing axle 612 and rotates with spacing axle 612 to be connected, the one end of C type piece two 65 and the one end fixed connection of C type piece one 64, the one end rotation of C type piece one 64 bottom is connected with axostylus axostyle two 67, the one end of axostylus axostyle two 67 runs through to the top of C type piece one 64 and with the bottom fixed connection of baffle 5, the outer wall fixedly connected with fixed disk 12 of syringe needle 9, fixed slot 13 has all been seted up to the both sides of fixed disk 12, the bottom of syringe needle 9 outer wall is provided with dog 15, the bottom fixedly connected with C type piece three 14 of dog 15, the both sides of C type piece three 14 all are provided with fixed axle 16, the one end of fixed axle 16 extends to the inner wall of fixed slot 13, the bottom fixedly connected with concave closed loop 8,H type is connected with protruding closed loop 11 at the top of H type connecting piece one 7.

In this embodiment, the second C-shaped block 65, the third shaft 68 and the second shaft 67 are arranged to be matched with each other, the fixing block 611 drives the first C-shaped clamping plate 69 and the second C-shaped clamping plate 610 to move inwards, the first C-shaped clamping plate 69 and the second C-shaped clamping plate 610 are moved inwards to be clamped into the first H-shaped connecting block 7 and the second H-shaped connecting block 10 through the outer wall of the first C-shaped clamping plate 69 and the second C-shaped clamping plate 610, the first H-shaped connecting block 7 and the second H-shaped connecting block 10 are fixed, the first C-shaped connecting block 14 and the second H-shaped connecting block 10 are connected through the first fixing disk 12, the fixing groove 13 and the stop 15 are matched with each other, the third C-shaped block 14 and the stop 15 are pushed upwards from the bottom of the needle 9, the stop 15 is arranged at the bottom of the needle 9, the needle 9 is blocked, dust is prevented from entering the inside the cylinder stopper 4 through the needle 9, the third C-shaped block 14 and the fixing shaft 16 are matched with each other through the third C-shaped block 14, the first C-shaped block 14 extends to the fixing groove 13 through one end of the fixing shaft 16, the third C-shaped block 14 is fixed with the fixing disk 12 through the second C-shaped clamping plate 16, the first concave closed loop 8 and the second H-shaped connecting block 11 are matched with each other, the first H-shaped connecting block 7 and the second H-shaped connecting block 10 are connected through the first H-shaped connecting block 7 and the second H-shaped connecting block 10, the second C-shaped connecting block 11 are matched with the second C-shaped connecting block 11, so that the first C-shaped connecting block 7 and the second C-shaped connecting block 11 is more closely meshes with the second C-shaped connecting block 7 and the second C-shaped connecting block 11, and the second connecting block 11.

The working principle of the material extrusion structure for the 3D printer is specifically described below.

As shown in fig. 1-4, when in use, a user realizes the turning and fixing of the food cartridge module through the cartridge fixing frame 1, realizes the feeding of food raw materials through the food feeding module 2, realizes the static and dynamic leveling functions of printing through the printing leveling module 3, realizes the storage and heating of the food raw materials through the cartridge plug rod 4, starts the telescopic rod 61, the output end of the telescopic rod 61 drives the K-shaped push block 62 to move backwards, the first shaft rod 66 is driven to slide outwards when the K-shaped push block 62 moves backwards through the sliding connection of the first shaft rod 66 and the U-shaped groove 63, the second shaft rod 67 fixes and limits the first C-shaped block 64, the first shaft rod 66 drives the first C-shaped block 64 to rotate outwards, the first C-shaped block 64 rotates through the second shaft rod 67, the second C-shaped block 65 moves inwards, the second C-shaped block 65 is connected with the limiting shaft 612 through the third shaft rod 68, the second C-shaped block 65 drives the limiting shaft 612 to move inwards, the limiting shaft 612 drives the fixing block 611 to move inwards, the fixing block 611 drives the first C-shaped clamping plate 69 and the second C-shaped clamping plate 610 to move inwards, the first C-shaped clamping plate 69 and the second C-shaped clamping plate 610 move inwards to clamp the first H-shaped connecting block 7 and the second H-shaped connecting block 10, the first H-shaped connecting block 7 and the second H-shaped connecting block 10 are fixed by the outer walls of the first C-shaped clamping plate 69 and the second C-shaped clamping plate 610, the first H-shaped connecting block 7 and the second H-shaped connecting block 10 are connected by the first H-shaped connecting block 7 and the second H-shaped connecting block 10, the convex closed loop 11 and the concave closed loop 8 are meshed to enable the connection between the first H-shaped connecting block 7 and the second H-shaped connecting block 10 to be tighter, the third C-shaped connecting block 14 and the stop 15 are pushed upwards from the bottom of the needle 9, the third C-shaped connecting block 14 is fixed with the fixing disc 12 by extending one end of the third C-shaped connecting block 14 through the fixing shafts 16 at two sides to the fixing grooves 13, the stopper 15 is provided at the bottom of the needle 9 to block the needle 9 and prevent dust from entering the interior of the cartridge stopper 4 through the needle 9.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (7)

1. The utility model provides a material extrusion structure that 3D printer used, includes feed cylinder mount (1), its characterized in that: the novel food feeding device is characterized in that a food feeding module (2) is arranged at the top of the front face of the feed cylinder fixing frame (1), the feed cylinder fixing frame (1) is close to the bottom of the food feeding module (2) and is provided with a feed cylinder plug rod (4), a printing leveling module (3) is arranged at the left bottom of the feed cylinder fixing frame (1), an H-shaped connecting block I (7) is communicated with the bottom of the feed cylinder plug rod (4), a needle head (9) is arranged at the bottom of the H-shaped connecting block I (7), an H-shaped connecting block II (10) is communicated with the top of the needle head (9), a partition plate (5) is fixedly connected to the bottom of the outer wall of the feed cylinder plug rod (4), and a clamping assembly (6) is arranged at the bottom of the partition plate (5).

2. A material extrusion structure for a 3D printer according to claim 1, wherein: the clamping assembly (6) comprises a telescopic rod (61), the output end of the telescopic rod (61) is fixedly connected with a K-shaped push block (62), U-shaped grooves (63) are formed in the two ends of the bottom of the K-shaped push block (62), first C-shaped blocks (64) are arranged at the two ends of the outer wall of each U-shaped groove (63), shaft rods (66) are slidably connected to the inner walls of the first U-shaped grooves (63), and the two ends of the first shaft rods (66) penetrate through the outer sides of the first C-shaped blocks (64) and are fixedly connected with the first C-shaped blocks (64).

3. A material extrusion structure for a 3D printer according to claim 2, wherein: the two sides of the outer wall of the H-shaped connecting block I (7) are respectively provided with a C-shaped clamping plate I (69), the two sides of the outer wall of the H-shaped connecting block II (10) are respectively provided with a C-shaped clamping plate II (610), the two sides of the C-shaped clamping plate I (69) and the two sides of the C-shaped clamping plate II (610) are respectively fixedly connected with a fixing block (611), and the two sides of the fixing blocks (611) are respectively fixedly connected with a limiting shaft (612).

4. A material extrusion structure for a 3D printer according to claim 3, wherein: the two sides the outside of spacing axle (612) all is provided with C type piece two (65), both sides the one end at C type piece two (65) top is all fixedly connected with axostylus axostyle three (68), the one end of axostylus axostyle three (68) run through to the bottom of spacing axle (612) and with spacing axle (612) rotate and be connected, the one end of C type piece two (65) with the one end fixed connection of C type piece one (64), the one end rotation of C type piece one (64) bottom is connected with axostylus axostyle two (67), the one end of axostylus axostyle two (67) runs through to the top of C type piece one (64) and with the bottom fixed connection of baffle (5).

5. A material extrusion structure for a 3D printer according to claim 1, wherein: the outer wall fixedly connected with fixed disk (12) of syringe needle (9), fixed slot (13) have all been seted up to the both sides of fixed disk (12), the bottom of syringe needle (9) outer wall is provided with dog (15).

6. The material extrusion structure for a 3D printer according to claim 5, wherein: the bottom of dog (15) fixedly connected with C type piece III (14), the both sides of C type piece III (14) all are provided with fixed axle (16), the one end of fixed axle (16) extends to the inner wall of fixed slot (13).

7. A material extrusion structure for a 3D printer according to claim 1, wherein: the bottom of the H-shaped connecting block I (7) is fixedly connected with a concave closed loop (8), and the top of the H-shaped connecting block II (10) is fixedly connected with a convex closed loop (11).