Disassembly and assembly universal type wire coil structure for 3D printing wires

Abstract

The utility model relates to the technical field of 3D printing wire coils, in particular to a dismounting universal wire coil structure for 3D printing wires, which comprises a wire coil main body and two wire blocking coils matched with the wire coil main body for use, the wire coil main body is a connecting cylinder with two open ends, the wire coil main body is positioned between the two wire blocking coils, and the two wire blocking coils are arranged on the wire coil main body. The external wire rod is wound on the wire coil main body; the two wire blocking discs are respectively detachably and rotatably clamped with the wire disc main body or the two wire blocking discs are detachably and rotatably clamped with each other, hollow holes are formed in the wire blocking discs, the hollow holes are through holes penetrating through the wall bodies of the wire blocking discs, and the hollow holes are used for reducing the self weight of the wire blocking discs and saving materials. According to the utility model, the wire rod is wound on the wire coil main body, and the wire blocking coil is detachably connected with the wire coil main body or another wire blocking coil, so that the wire coil main body can be quickly replaced, the wire rod for printing can be quickly replaced, the wire blocking coil and the wire coil main body can be repeatedly utilized, and the hollow holes are formed in the wire blocking coil, so that the production cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing wire reels, and in particular discloses a detachable and universal wire reel structure for 3D printing wires. Background Art

[0002] Ordinary printers used in daily life can print flat objects designed by computers, while the so-called 3D printers have basically the same working principle as ordinary printers, except that the printing materials are slightly different. Ordinary printers use ink and paper, while 3D printers are equipped with different printing materials such as metal, ceramics, plastic, sand, etc. The printing materials are stacked layer by layer under computer control, and finally the blueprint on the computer is turned into a physical object. In layman's terms, a 3D printer is a device that can print real 3D objects.

[0003] With the popularization of 3D printing technology, the use of 3D printing consumables has also increased dramatically, among which FDM fusion molding printing has gradually become the mainstream. The consumables used in FDM fusion 3D printing are mostly reel-type wires. A reel of consumables needs to sell the wires and the reel together. The reel takes up a lot of space and has a certain weight. It is also inconvenient to pack and transport, resulting in increased transportation costs for consumables. The production cost of the product is high, and when the wire is used up, the reel is directly discarded and cannot be recycled, resulting in a high waste of resources and environmental pollution. Utility Model Content

[0004] In order to overcome the shortcomings and deficiencies in the prior art, the utility model aims to provide a universal cable drum which is easy to install and disassemble, recyclable and has low production cost.

[0005] To achieve the above-mentioned purpose, the utility model provides a detachable universal wire drum structure for 3D printing wire, including a wire drum body and two wire retaining drums configured and used with the wire drum body, wherein the wire drum body is a connecting tube with openings at both ends, the wire drum body is located between the two wire retaining drums, and the external wire is wound on the wire drum body; the two wire retaining drums are respectively detachably rotatably connected to the wire drum body or the two wire retaining drums are detachably rotatably connected to each other, and the wire retaining drum is provided with a hollow hole, which is a through hole that penetrates the wall of the wire retaining drum, and the hollow hole is used to reduce the deadweight of the wire retaining drum and save materials. The utility model realizes the rapid replacement of the wire drum body and the rapid replacement of the wire for printing by winding the wire on the wire drum body and detachably connecting the wire retaining drum to the wire drum body or another wire retaining drum, so that the wire retaining drum and the wire drum body can be reused, and the hollow hole and annular groove are provided on the wire retaining drum to reduce the production cost.

[0006] Furthermore, the wire retaining drum is a disc structure, and a through hole is provided in the center of the wire retaining drum. When in use, the external rod body can extend into the inside of the wire retaining drum body through the through hole, so that the wire retaining drum 2 can be fixed by the rod body.

[0007] Furthermore, the hollow holes are distributed in a circular array around the central axis of the wire retaining drum, so that the wire retaining drum has a honeycomb structure, which saves materials, reduces production costs and ensures structural strength.

[0008] Furthermore, the hollow holes are provided in a plurality of groups, and the plurality of groups of hollow holes are distributed at equal intervals along the diameter direction of the wire retaining disk. The hollow holes can reduce the weight of the disk, save materials, and reduce production costs.

[0009] Furthermore, the diameter of the hollow hole is 1-2 mm, which saves materials, reduces production costs and ensures structural strength.

[0010] Furthermore, the universal wire drum structure also includes a hollow cylinder arranged on the first wire drum, the first wire drum and the hollow cylinder are an integrated structure, and the wire drum body is used to be sleeved on the outside of the hollow cylinder; a clamping block is provided at the free end of the hollow cylinder, and a clamping slot adapted to the clamping block is provided on the second wire drum, and the hollow cylinder is rotatably connected with the second wire drum via the clamping block and the clamping slot. When in use, the wire drum body with wires is sleeved on the outside of the hollow cylinder, which is convenient for quick replacement of the wire drum body and easy operation, while achieving full utilization of the wire drum and reducing production costs.

[0011] Furthermore, clamping blocks are provided at both ends of the wire drum body, and a clamping slot adapted to the clamping block is provided on the wire retaining drum. The wire drum body is rotatably connected to the wire retaining drum via the clamping block and the clamping slot, so that the wire drum body can be quickly disassembled and assembled to replace external wires.

[0012] Furthermore, a limit block is provided inside the clamping block, a flange is provided at the center of the external stopper drum, a clamping slot is provided on the outer peripheral side wall of the flange, a limit cavity is provided on the clamping slot, the clamping block is connected to the clamping slot, and the limit block is clamped in the limit cavity to prevent the drum body and the block from separating. The limit block is clamped in the limit cavity to prevent the cylinder body and the drum body from separating, so as to achieve the purpose of rapid assembly, save assembly time, and thus improve production efficiency.

[0013] Furthermore, the wire retaining drum is provided with a first through hole penetrating the wall of the wire retaining drum, and the first through hole is used to observe the consumption of the wire. The first through hole is used to observe the consumption of the wire, so as to judge whether the wire is consumed, so as to facilitate timely replacement of the wire.

[0014] Furthermore, the first through hole is in the shape of an elongated strip, and the length direction of the first through hole is arranged along the diameter direction of the wire retaining disc. The elongated first through hole facilitates observation of the remaining wire material.

[0015] The beneficial effects of the utility model are as follows: the utility model realizes quick replacement of the wire reel body and quick replacement of the wire for printing by winding wire on the wire reel body and detachably connecting the wire reel to the wire reel body or another wire reel, so that the wire reel and the wire reel body can be reused, and hollow holes and annular grooves are arranged on the wire reel to reduce production costs; when in use, the external rod body can be extended into the interior of the wire reel body through the through hole, so that the wire reel 2 can be fixed through the rod body; the hollow holes make the wire reel present a honeycomb structure, which saves materials and reduces production costs while ensuring structural strength; the wire reel is rotatably connected to the wire reel body or another wire reel through a clamping block and a clamping groove, so that the wire reel body can be quickly disassembled and assembled to replace the external wire; the first through hole is used to observe the consumption of the wire, so as to judge whether the wire is consumed, so as to facilitate timely replacement of the wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of a 3D printing wire reel structure for disassembly and assembly;

[0017] Figure 2 This is an exploded view of a universal 3D printing wire drum structure for assembly and disassembly according to the utility model;

[0018] Figure 3 It is a schematic cross-sectional structure diagram of the wire drum body of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the wire retaining disc of the utility model;

[0020] Figure 5 for Figure 2 Partial view of center A;

[0021] Figure 6 for Figure 3 Partial view of B;

[0022] Figure 7 This is an exploded view of a second embodiment of a detachable and universal wire drum structure for 3D printing wires of the utility model;

[0023] Figure 8 It is a top view of the wire retaining drum of the present utility model.

[0024] Reference numerals include:

[0025] 1—cable drum body 2—cable drum 3—first through hole

[0026] 4—Card block 5—Card slot 6—Limiting block

[0027] 7—flange 8—limiting cavity 9—U-shaped notch

[0028] 10—second through hole 11—sliding guide inclined surface 12—chamfer

[0029] 13—threading hole 14—hollow tube 15—hollow hole

[0030] 16—through hole 17—reinforcement rib DETAILED DESCRIPTION

[0031] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0032] See also Figures 1 to 8 As shown, the utility model is a detachable universal wire drum structure for 3D printing wire, including a wire drum body 1 and two wire drums 2 configured and used with the wire drum body 1, the wire drum body 1 is a connecting tube with openings at both ends, the wire drum body 1 is located between the two wire drums 2, and the external wire is wound on the wire drum body 1; the two wire drums 2 are respectively detachably rotatably connected to the wire drum body 1 or the two wire drums 2 are detachably rotatably connected to each other, and the wire drum 2 is provided with a hollow hole 15, the hollow hole 15 is a through hole that penetrates the wall of the wire drum 2, and the hollow hole 15 is used to reduce the deadweight of the wire drum (2) and save materials. The utility model realizes the rapid replacement of the wire drum body 1 and the rapid replacement of the wire for printing by winding the wire on the wire drum body 1, and the wire drum 2 is detachably connected to the wire drum body 1 or another wire drum 2, so as to enable the wire drum 2 and the wire drum body 1 to be reused, and the hollow hole 15 and the annular groove are provided on the wire drum 2 to reduce the production cost.

[0033] In actual use, the external wire is wound on the wire drum body 1, and the two wire retaining drums 2 are detachably rotatably buckled to the two ends of the wire drum body 1 wound with the wire, or the two wire retaining drums 2 are detachably rotatably buckled to each other to clamp the wire drum body 1, and the installed wire drum body 1 and wire retaining drum 2 are placed in an external 3D printer for use. When replacing the wire, the wire drum body 1 and wire retaining drum 2 with the wire consumed are taken out of the external 3D printer, and the wire drum body 1 between the two wire retaining drums 2 is rotated to remove, or the two wire retaining drums 2 clamped to each other are rotated to remove to release the wire drum body 1, and the wire retaining drum 2 is detachably installed on another group of wire drum bodies 1 with wires, and the installed wire drum body 1 is placed in the 3D printer for recycling.

[0034] The wire retaining drum 2 is a disc structure, and a through hole 16 is provided in the center of the wire retaining drum 2. When in use, the external rod body can extend into the inside of the wire retaining drum body 1 through the through hole 16, so that the wire retaining drum 22 can be fixed by the rod body.

[0035] The hollow holes 15 are distributed in a circular array around the central axis of the wire retaining drum 2, so that the wire retaining drum 2 has a honeycomb structure, which saves materials, reduces production costs and ensures structural strength.

[0036] The hollow holes 15 are provided in a plurality of groups, and the plurality of hollow holes 15 are evenly spaced along the diameter direction of the wire retaining drum 2. The hollow holes 15 can reduce the weight of the drum body, save materials, and reduce production costs.

[0037] The diameter of the hollow hole 15 is 1-2 mm, which saves materials, reduces production costs and ensures structural strength.

[0038] In this embodiment, the wire drum body 1 is provided with clamping blocks 4 at both ends, and the wire retaining drum 2 is provided with a clamping groove 5 adapted to the clamping block 4. The wire drum body 1 is rotatably clamped with the wire retaining drum 2 via the clamping block 4 and the clamping groove 5, so that the wire drum body 1 can be quickly disassembled and replaced with external wires.

[0039] In the second embodiment, the universal wire drum structure further includes a hollow cylinder 14 arranged on the first wire drum 2. The first wire drum 2 and the hollow cylinder 14 are an integrated structure, and the wire drum body 1 is used to be sleeved on the outside of the hollow cylinder 14; the free end of the hollow cylinder 14 is provided with a clamping block 4, and the second wire drum 2 is provided with a clamping groove 5 adapted to the clamping block 4, and the hollow cylinder 14 is rotatably clamped with the second wire drum 2 via the clamping block 4 and the clamping groove 5. When in use, the wire drum body 1 with wires is sleeved on the outside of the hollow cylinder 14, which is convenient for quick replacement of the wire drum body 1 and easy operation, while achieving full utilization of the wire drum 2 and reducing production costs.

[0040] A stopper block 6 is provided inside the clamp block 4, a flange 7 is provided at the center of the external stopper drum 2, a clamping groove 5 is provided on the outer peripheral side wall of the flange 7, a stopper cavity 8 is provided on the clamping groove 5, the clamp block 4 is connected to the clamping groove 5, and the stopper block 6 is clamped in the stopper cavity 8 to prevent the drum body 1 and the stopper from separating. The stopper block 6 is clamped in the stopper cavity 8 to prevent the cylinder body and the drum body from separating, so as to achieve the purpose of rapid assembly, save assembly time, and thus improve production efficiency.

[0041] The wire retaining drum 2 is provided with a first through hole 3 penetrating the wall of the wire retaining drum 2, and the first through hole 3 is used to observe the consumption of the wire. The first through hole 3 is used to observe the consumption of the wire, so as to determine whether the wire is consumed, so as to facilitate timely replacement of the wire.

[0042] The first through hole 3 is in the shape of an elongated strip, and the length direction of the first through hole 3 is arranged along the diameter direction of the wire retaining drum 2. The elongated first through hole 3 facilitates observation of the wire surplus.

[0043] In a further technical solution, a scale value is provided on one side in the length direction of the first through hole 3. The scale value is used to observe the consumption of the wire material, so as to accurately determine the remaining amount of the wire material.

[0044] In a further technical solution, an annular groove is provided on the inner side of the wire retaining drum 2, and the annular groove is used to limit the movement of the wire to prevent the wire from slipping out of the wire drum when the wire is released.

[0045] In a further technical solution, U-shaped notches 9 are provided at both ends of the wire drum body 1, and second through holes 10 are provided at corresponding positions of the wire retaining drum 2. The U-shaped notches 9 and the second through holes 10 cooperate to calibrate the installation of the wire retaining drum 2.

[0046] In a further technical solution, chamfers 12 are provided at both ends of the limit block 6 , and the chamfers 12 facilitate the limit block 6 of the wire drum body 1 to smoothly enter or move out of the slot 5 of the wire retaining drum 2 .

[0047] In a further technical solution, a guide sliding inclined surface 11 is provided at one end of the clamping block 4 away from the limiting block 6. The guide sliding inclined surface 11 facilitates the limiting block 6 to enter and exit the clamping slot 5.

[0048] In a further technical solution, a reinforcing rib 17 is provided on the edge of the wire retaining drum 2. The thickness of the reinforcing rib 17 is greater than the thickness of the wall of the wire retaining drum 2. The reinforcing rib 17 is used to strengthen the overall structural strength of the wire retaining drum 2 to prevent the wire retaining drum 2 from deforming during use or transportation.

[0049] In a further technical solution, a threading hole 13 is provided on the edge of the wire retaining drum 2, and two or more wire retaining drums 2 can be bundled together with ropes through the threading hole 13 to facilitate turnover and transportation.

[0050] In this embodiment, two wire retaining drums 2 are detachably rotatably buckled to the two ends of a wire reel body 1 wound with wire, the clamping block 4 on the wire reel body 1 extends into the clamping slot 5 of the wire retaining drum 2, and the wire retaining drum 2 is rotated forward to make the limit block 6 engage with the limit cavity 8. After the wire retaining drum 2 is installed, the wire reel body 1 is put into an external 3D printer for use, and the consumption of the wire is observed through the first through hole 3. After the wire is consumed, the wire reel body 1 and the wire retaining drum 2 are taken out of the external 3D printer, and the wire retaining drum 2 is rotated in the opposite direction to make the limit block 6 move out of the limit cavity 8, so that the two wire retaining drums 2 are separated from the wire reel body 1, and the wire retaining drum 2 is detachably installed on another group of wire reel bodies 1 wound with wire, and the installed wire reel body 1 is put into the 3D printer for recycling.

[0051] In the second embodiment, the wire drum body 1 with the wire wound thereon is sleeved on the outer side of the hollow cylinder 14, the block 4 at the free end of the hollow cylinder 14 extends into the slot 5 of the second wire retaining drum 2, the second wire retaining drum 2 is rotated forward so that the limit block 6 is engaged with the limit cavity 8, the installed wire retaining drum 2 and the wire drum body 1 are put into an external 3D printer for use, and the consumption of the wire is observed through the first through hole 3. After the wire is consumed, the wire drum body 1 and the wire retaining drum 2 are taken out of the external 3D printer, the second wire retaining drum 2 is rotated reversely so that the limit block 6 is moved out of the limit cavity 8, the second wire retaining drum 2 is separated from the hollow cylinder 14, another group of wire drum bodies 1 with the wire wound thereon are sleeved on the outer side of the hollow cylinder 14, the second wire retaining drum 2 is detachably installed on the hollow cylinder 14, and the installed wire retaining drum 2 and the wire drum body 1 are put into the 3D printer for recycling.

[0052] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A universal 3D printing wire drum structure for assembly and disassembly, characterized in that: The invention comprises a wire drum body (1) and two wire retaining drums (2) configured for use with the wire drum body (1), wherein the wire drum body (1) is a connecting tube with openings at both ends, the wire drum body (1) is located between the two wire retaining drums (2), and external wires are wound around the wire drum body (1); the two wire retaining drums (2) are respectively detachably rotatably connected to the wire drum body (1) or the two wire retaining drums (2) are detachably rotatably connected to each other, and a hollow hole (15) is provided on the wire retaining drum (2), the hollow hole (15) being a through hole penetrating the wall of the wire retaining drum (2), and the hollow hole (15) is used to reduce the deadweight of the wire retaining drum (2) and save materials; The universal wire drum structure further comprises a hollow cylinder (14) arranged on the first wire-blocking drum (2); the first wire-blocking drum (2) and the hollow cylinder (14) are an integrated structure; the wire drum body (1) is used to be sleeved on the outside of the hollow cylinder (14); a clamping block (4) is provided at the free end of the hollow cylinder (14); a clamping groove (5) adapted to the clamping block (4) is provided on the second wire-blocking drum (2); the hollow cylinder (14) is rotatably clamped with the second wire-blocking drum (2) via the clamping block (4) and the clamping groove (5).

2. A 3D printing wire reel structure for assembly and disassembly according to claim 1, characterized in that: The wire retaining disc (2) is a disc structure, and a through hole (16) is provided at the center of the wire retaining disc (2).

3. The detachable universal wire drum structure for 3D printing wire according to claim 1, characterized in that: The hollow holes (15) are distributed in a circular array around the central axis of the wire retaining disk (2).

4. A 3D printing wire reel structure for assembly and disassembly according to claim 2, characterized in that: The hollow holes (15) are provided in a plurality of groups, and the plurality of groups of hollow holes (15) are distributed at equal intervals along the diameter direction of the wire retaining disk (2).

5. A 3D printing wire reel structure for assembly and disassembly according to claim 1, characterized in that: The diameter of the hollow hole (15) is 1-2 mm.

6. A 3D printing wire reel structure for assembly and disassembly according to claim 1, characterized in that: The wire drum body (1) is provided with clamping blocks (4) at both ends, and the wire retaining drum (2) is provided with clamping grooves (5) matched with the clamping blocks (4). The wire drum body (1) is rotatably clamped with the wire retaining drum (2) via the clamping blocks (4) and the clamping grooves (5), so that the wire drum body (1) can be quickly disassembled and replaced with external wires.

7. A 3D printing wire reel structure for assembly and disassembly according to claim 1 or 6, characterized in that: A limit block (6) is provided on the inner side of the clamping block (4); a flange (7) is provided at the center of the external wire-blocking drum (2); a clamping groove (5) is provided on the outer peripheral side wall of the flange (7); a limit cavity (8) is provided on the clamping groove (5); the clamping block (4) is connected to the clamping groove (5); the limit block (6) is clamped in the limit cavity (8) to prevent the wire-block body (1) and the block from being separated.

8. A 3D printing wire reel structure for assembly and disassembly according to claim 1, characterized in that: The wire retaining drum (2) is provided with a first through hole (3) penetrating the wall of the wire retaining drum (2), and the first through hole (3) is used to observe the consumption of the wire.

9. A 3D printing wire reel structure for assembly and disassembly according to claim 8, characterized in that: The first through hole (3) is in the shape of an elongated strip, and the length direction of the first through hole (3) is arranged along the diameter direction of the wire retaining disc (2).

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