3D printing wire rod production equipment

Abstract

The utility model discloses 3D printing wire rod production equipment, which relates to the technical field of 3D printing and comprises a water tank, a motor connected with a screw rod, a connecting rod hinged with a driving block and a fixed rod, a movable rod fixed with an extrusion rod, a fixed plate fixed with a spring, a connecting disc fixed with a guide shaft, and a movable plate fixed with a guide rod and a sponge block. A motor on the left side is started, the motor drives a lead screw to enable a driving block to drive a connecting rod to enable a fixed rod to move upwards, the fixed rod drives a movable rod to enable an extrusion rod to move upwards and slide on a guide rod, the guide rod drives a movable plate to enable a guide shaft to stretch a spring through a connecting disc, and the extrusion rod moves upwards to make contact with a sponge block to extrude water; before the left motor is started, the right motor is started to enable the extrusion rod to move downwards to break away from the guide rod, and the spring restores the sponge block; the problem that water cannot be continuously absorbed when the sponge block is saturated after absorbing water is solved, the influence on wire collection is avoided, the sponge block does not need to be manually cleaned after shutdown, and the efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of 3D printing, in particular to a 3D printing wire production device. Background Art

[0002] 3D printing technology, also known as additive manufacturing, is a new manufacturing method and a manufacturing process of constructing an object layer by layer according to a digital model file. 3D printing technology shows great potential and advantages in the fields of personalized customization, complex component manufacturing, cultural creativity, education and training, etc. With the continuous progress of technology and the reduction of costs, it is expected that 3D printing will be applied in a wider range of fields and promote the innovation and development of the manufacturing industry. The wire used for 3D printing is a filamentous thermoplastic material produced by an extrusion device.

[0003] Chinese Patent CN216993005U discloses a 3D printing wire extrusion device, including: an extruder, a drying device for drying the raw materials entering the extruder, a traction device for pulling out the wire in the extruder, and a cooling device for cooling the wire pulled out of the extruder; the drying device is installed at the feed pipe of the extruder, the traction device is installed at the discharge port of the extruder, and the cooling device is installed between the extruder and the traction device. The beneficial effects of the utility model include: the utility model provides a 3D printing wire extrusion device, which can dry the raw materials entering the extruder through the drying device, cool and shape the wire extruded from the extruder through the cooling device, improve the quality of the wire, and at the same time, the wire in the extruder can be pulled out through the traction device to prevent the extruder from being blocked.

[0004] In the above patent, the sponge block can absorb the water on the wire to prevent the wire from being stained with water, which is not conducive to the collection of the wire; however, after the sponge block absorbs water for a long time, there will be liquid in itself. When the sponge block reaches saturation, it cannot continue to absorb the water on the wire, which will affect the collection of the wire, and it is necessary to stop the machine to manually clean the water on the sponge block, affecting the efficiency. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a 3D printing wire production device to solve the problems put forward in the above background art.

[0006] To solve the above technical problems, the present utility model provides the following technical solutions: a 3D printing wire production device, comprising: a water tank, a support plate horizontally fixed on the inner wall of the water tank between the discharging roller and the discharging port, a strip-shaped groove horizontally formed on the top surface of the support plate, a lead screw horizontally rotatably connected in the strip-shaped groove and fixed to the output end of the motor, a driving block matching the lead screw and hinged to the connecting rod, the connecting rod horizontally hinged with a fixed rod above the support plate, the fixed rod vertically fixed with a movable rod, the movable rod horizontally fixed with a pressing rod, fixing plates fixed at both ends of the center of the bottom surface of the support plate, springs horizontally fixed on the opposite sides of the fixing plates, the springs fixed with a connecting plate, the connecting plate horizontally fixed with a guiding shaft, the guiding shaft fixed with a movable plate between the fixing plates, a guiding rod fixed on the bottom surface of the movable plate above the pressing rod, and sponge blocks fixed on the opposite sides of the movable plate.

[0007] Further, there are two support plates, the opposite side walls of the two support plates are fixedly connected, the opposite ends of the two lead screws pass through the side walls of the support plates, and the motor is fixedly connected to the opposite side wall of the support plate.

[0008] Further, the outer wall of the driving block is slidably connected to the inner wall of the strip-shaped groove, the connecting rod is located above the lead screw, the fixed rod is located above the space between the two strip-shaped grooves, and movable rods slidably connected to the support plate are provided at the bottom surfaces of both ends of the fixed rod.

[0009] Further, the cross section of the pressing rod is a right triangle, the pressing rod is parallel to the guiding rod, the cross section of the guiding rod is a right triangle, and the inclined surfaces of the pressing rod and the guiding rod are in one-to-one corresponding movable connection.

[0010] Further, the spring is sleeved outside the guiding shaft, and the spring is located between the connecting plate and the fixing plate, and the guiding shaft is slidably connected to the fixing plate.

[0011] Further, the center of the sponge block is on the same horizontal plane as the center of the discharging port, the sponge block is located on the front and rear sides of the wire and contacts the wire.

[0012] Further, a discharging roller is horizontally rotatably connected to the upper right side inner wall of the water tank, and a discharging port is opened at the upper end of the center of the right plate of the water tank.

[0013] Compared with the prior art, the beneficial effects achieved by the present utility model are:

[0014] 1. While the wire material is pulled out by the driving device and passes through between the sponge blocks in the present utility model, within a certain period of time after the sponge blocks absorb water, at this time, the sponge blocks can still continue to absorb water. Then, start the left motor. The output end of the motor drives the lead screw to rotate in the strip-shaped groove. The lead screw causes the driving block to slide in the strip-shaped groove. The driving block causes the lower end of the connecting rod to rotate on the driving block and makes the connecting rod move. The upper end of the connecting rod rotates on the fixed rod and makes the fixed rod move upward. The fixed rod drives the movable rod and the support plate to slide upward. The movable rod drives the extrusion rod to move upward. The inclined surface of the extrusion rod contacts the inclined surface of the guide rod. The extrusion rod slides on the guide rod to make the guide rod move away from the wire material. The guide rod drives the movable plate to slide on the support plate. The movable plate drives the guide shaft to slide on the fixed plate. The guide shaft drives the connecting disc to stretch the spring. At the same time, the extrusion rod moves upward and contacts the sponge block, and squeezes the water on the sponge block; before starting the left motor, the right motor is started to make the extrusion rod separate from the sponge block and the guide rod. Under the action of the spring itself, the sponge block returns to its original position to absorb the water on the wire material; this solves the problem that the sponge block cannot continue to absorb the water on the wire material after being saturated after a long time of absorbing water, avoids the influence on the collection of the wire material, and there is no need to stop the machine for manual cleaning of the water on the sponge block, improving the efficiency;

[0015] 2. When the extrusion rod moves downward and separates from the sponge block and the guide rod in the present utility model, under the action of the spring itself, the spring returns to its original length. The spring drives the guide shaft to slide towards each other in the fixed plate through the connecting disc. The guide shaft drives the movable plate to make the sponge blocks move towards each other to both sides of the wire material to absorb the moisture on the wire material. The setting of the spring can facilitate the sponge blocks to return to their original positions and fit with the wire material. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings are used to provide further understanding of the present utility model and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0017] Figure 1 is the schematic cross-sectional structure diagram of the front view of the present utility model;

[0018] Figure 2 is the present utility model Figure 1 The enlarged schematic diagram of the structure of area A in;

[0019] Figure 3 is the schematic diagram of a part of the structure on the support plate of the present utility model;

[0020] Figure 4 is the present utility model Figure 3 The enlarged schematic diagram of the structure of area B in;

[0021] In the figure: 1, water tank; 2, discharging roller; 3, discharging port; 4, support plate; 5, motor; 6, connecting plate; 7, guide rod; 8, movable rod; 9, extrusion rod; 10, fixed plate; 11, connecting rod; 12, spring; 13, guide shaft; 14, movable plate; 15, sponge block; 16, strip-shaped groove; 17, lead screw; 18, fixed rod; 19, driving block. Detailed implementation manner

[0022] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0023] Please refer to Figures 1 - 4, the present utility model provides a technical solution for a 3D printing wire production device, including: a water tank 1, an outlet roller 2 is horizontally rotatably connected to the upper right inner wall of the water tank 1, an outlet port 3 is opened at the upper end of the center of the right plate of the water tank 1, a support plate 4 is horizontally fixed on the inner wall of the water tank 1 between the outlet roller 2 and the outlet port 3, a strip-shaped groove 16 is horizontally opened on the top surface of the support plate 4, a lead screw 17 fixed to the output end of a motor 5 is horizontally rotatably connected in the strip-shaped groove 16, there are two support plates 4, and the structures on the support plates 4 are symmetrically distributed. The left sponge block 15 and the right sponge block 15 are in different states. When the left sponge block 15 absorbs water, the right sponge block 15 is separated from the wire, and vice versa. The two sponge blocks 15 absorb water alternately according to the absorption state, realizing sustainable absorption of water on the wire. The opposite side walls of the two support plates 4 are fixedly connected, and the opposite ends of the two lead screws 17 pass through the side walls of the support plate 4. The motor 5 and the opposite side wall of the support plate 4 are fixedly connected. The lead screw 17 is provided with a driving block 19 hinged to a connecting rod 11. The connecting rod 11 is horizontally hinged to a fixing rod 18 located above the support plate 4. The fixing rod 18 is vertically fixed with a movable rod 8. The outer wall of the driving block 19 is slidably connected to the inner wall of the strip-shaped groove 16, avoiding the driving block 19 twisting the connecting rod 11 when following the rotation of the lead screw 17, improving the stability during movement. The connecting rod 11 is located above the lead screw 17, and the fixing rod 18 is located above the space between the two strip-shaped grooves 16. The fixing rod 18 plays a connecting role. Movable rods 8 slidably connected to the support plate 4 are provided at the bottom surfaces of both ends of the fixing rod 18. The movable rod 8 is horizontally fixed with an extrusion rod 9. Fixing plates 10 are fixed at both ends of the center of the bottom surface of the support plate 4. A spring 12 is horizontally fixed on the opposite side of the fixing plate 10. The spring 12 is fixed with a connection disk 6. The connection disk 6 is horizontally fixed with a guide shaft 13. The spring 12 is sleeved outside the guide shaft 13 and is located between the connection disk 6 and the fixing plate 10. When the extrusion rod 9 moves downward and separates from the guide rod 7, under the action of the spring 12, the sponge block 15 can return to its original position to absorb water on the wire. The guide shaft 13 is slidably connected to the fixing plate 10. The guide shaft 13 is fixed with a movable plate 14 located between the fixing plates 10. A guide rod 7 located above the extrusion rod 9 is fixed to the bottom surface of the movable plate 14. The cross-section of the extrusion rod 9 is a right triangle, and the extrusion rod 9 is parallel to the guide rod 7. The cross-section of the guide rod 7 is a right triangle, and the inclined surfaces of the extrusion rod 9 and the guide rod 7 are in one-to-one corresponding movable connection. When the extrusion rod 9 moves upward to squeeze the water in the sponge block 15, it will not touch the wire. Sponge blocks 15 are fixed to the opposite sides of the movable plate 14. The center of the sponge block 15 is on the same horizontal plane as the center of the outlet port 3. The sponge blocks 15 are located on the front and back sides of the wire and are in contact with the wire.

[0024] The working principle of the present utility model:

[0025] Refer to the attached instruction manual Figures 1 - 4, while pulling out the wire through the driving device and passing through between the sponge blocks 15, within a certain period of time when the sponge blocks 15 absorb water, at this time the sponge blocks 15 can still continue to absorb water. Start the left motor 5, the output end of the motor 5 drives the lead screw 17 to rotate in the strip groove 16, the lead screw 17 makes the driving block 19 slide in the strip groove 16, the driving block 19 makes the lower end of the connecting rod 11 rotate on the driving block 19 and makes the connecting rod 11 move, the upper end of the connecting rod 11 rotates on the fixed rod 18 and makes the fixed rod 18 move upward, the fixed rod 18 drives the movable rod 8 and the support plate 4 to slide upward, the movable rod 8 drives the extrusion rod 9 to move upward, the inclined surface of the extrusion rod 9 contacts the inclined surface of the guide rod 7, the extrusion rod 9 slides on the guide rod 7 to make the guide rod 7 move away from the wire side, the guide rod 7 drives the movable plate 14 to slide on the support plate 4, the movable plate 14 drives the guide shaft 13 to slide on the fixed plate 10, the guide shaft 13 drives the connecting disk 6 to stretch the spring 12, and at the same time the extrusion rod 9 moves upward to contact the sponge block 15 and squeeze the water on the sponge block 15; before starting the left motor 5, the right motor 5 starts to make the extrusion rod 9 disengage from the sponge block 15 and the guide rod 7, and under the action of the spring 12 itself, the sponge block 15 returns to its original position to absorb water from the wire; it solves the problem that the sponge block 15 cannot continue to absorb the water on the wire after being saturated after long-term water absorption, avoids the influence on the wire collection, and there is no need to stop the machine to manually clean the water on the sponge block 15, improving the efficiency.

[0026] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. 3D printing wire production equipment, including: Water tank (1), characterized in that: a support plate (4) is horizontally fixed on the inner wall of the water tank (1) between the discharging roller (2) and the discharging port (3), a strip-shaped groove (16) is horizontally formed on the top surface of the support plate (4), a lead screw (17) fixedly connected to the output end of the motor (5) is horizontally rotatably connected in the strip-shaped groove (16), the lead screw (17) is provided with a driving block (19) hinged to the connecting rod (11) in a matching manner, the connecting rod (11) is horizontally hinged to a fixing rod (18) above the support plate (4), the fixing rod (18) is vertically fixed with a movable rod (8), the movable rod (8) is horizontally fixed with a pressing rod (9), fixing plates (10) are fixed at both ends of the center of the bottom surface of the support plate (4), springs (12) are horizontally fixed on the opposite sides of the fixing plates (10), the springs (12) are fixed with a connecting disk (6), the connecting disk (6) is horizontally fixed with a guiding shaft (13), the guiding shaft (13) is fixed with a movable plate (14) between the fixing plates (10), a guiding rod (7) above the pressing rod (9) is fixed on the bottom surface of the movable plate (14), and sponge blocks (15) are fixed on the opposite sides of the movable plate (14).

2. The 3D printing wire production equipment according to claim 1, characterized in that: There are two support plates (4), the opposite side walls of the two support plates (4) are fixedly connected, the opposite ends of the two lead screws (17) pass through the side walls of the support plates (4), and the motor (5) is fixedly connected to the opposite side wall of the support plate (4).

3. The 3D printing wire production equipment according to claim 1, characterized in that: The outer wall of the driving block (19) is slidably connected to the inner wall of the strip-shaped groove (16), the connecting rod (11) is located above the lead screw (17), the fixing rod (18) is located above the two strip-shaped grooves (16), and movable rods (8) slidably connected to the support plate (4) are arranged at the bottom surfaces of both ends of the fixing rod (18).

4. The 3D printing wire production equipment according to claim 1, characterized in that: The cross section of the pressing rod (9) is a right triangle, the pressing rod (9) is parallel to the guiding rod (7), the cross section of the guiding rod (7) is a right triangle, and the inclined surfaces of the pressing rod (9) are movably connected to the inclined surfaces of the guiding rod (7) in a one-to-one correspondence.

5. The 3D printing wire production equipment according to claim 1, wherein: The spring (12) is sleeved outside the guiding shaft (13), and the spring (12) is located between the connecting disk (6) and the fixing plate (10), and the guiding shaft (13) is slidably connected to the fixing plate (10).

6. The 3D printing wire production equipment according to claim 1, characterized in that: The center of the sponge block (15) is on the same horizontal plane as the center of the discharging port (3), the sponge block (15) is located on the front and rear sides of the wire and is in contact with the wire.

7. The 3D printing wire production equipment according to claim 1, characterized in that: A discharging roller (2) is horizontally rotatably connected to the upper right side inner wall of the water tank (1), and a discharging port (3) is opened at the upper end of the center of the right plate of the water tank (1).

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