Nylon powder stirring device for 3D printing
By designing a nylon powder agitating device for 3D printing with integrated crushing and stirring functions, the problem of poor nylon powder agitating in the prior art has been solved, and efficient powder treatment and space utilization have been achieved.
Patent Information
- Application Number
- CN202421243406.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2034-06-03
AI Technical Summary
In the existing 3D printing technology, the crushing and stirring of nylon powder are usually operated separately, occupying a large space and the stirring effect is not good, and the nylon powder is prone to stick to pieces.
A nylon powder agitating device for 3D printing is designed, integrating a crushing roller and a stirring tank. The crushing roller is driven by a motor and drives the pulley to rotate. The transmission rod drives the stirring rod to stir the nylon powder, and at the same time, the flow resistance is driven by the volume control mechanism. The block moves up and down to reduce the viscosity of the nylon powder.
It realizes efficient crushing and stirring of nylon powder, improves the stirring effect, reduces space occupation, and prevents the static influence of nylon powder.
Smart Images
Figure CN222494930U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of 3D printing, in particular to a nylon powder stirring device for 3D printing. Background Art
[0002] 3D printing is a type of rapid prototyping technology, also known as additive manufacturing. It is a technology that uses digital model files as the basis and uses powdered metal or plastic and other bondable materials to construct objects by printing layer by layer. Nylon powder is a commonly used bonding material for 3D printing. Generally, the nylon material is crushed into powder first, and then stirred, and a related stirring device will be used.
[0003] The processing device in the prior art usually separates the crushing process from the stirring operation, which occupies a large production space. In addition, the nylon powder will stick together into blocks during the stirring process, resulting in poor stirring effect. Therefore, the technology in the art proposes a nylon powder stirring device for 3D printing to solve the above problems. Utility Model Content
[0004] In order to make up for the above shortcomings, the utility model provides a nylon powder stirring device for 3D printing, which aims to improve the processing device in the prior art. Usually, the crushing process and the stirring are operated separately, which occupies a large production space, and the nylon powder will stick together into blocks during the stirring process, resulting in poor effect after stirring.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a nylon powder stirring device for 3D printing, comprising a mounting frame, a top box fixedly connected to the top of the mounting frame, two crushing rollers rotatably connected inside the top box, one end of the crushing roller is fixedly connected to a cylindrical gear, the other end of one of the crushing rollers is fixedly connected to a pulley 1, a motor is installed on the outside of the top box, the output end of the motor is fixedly connected to the other end of the other crushing roller, a conduit 1 is fixedly connected to the bottom of the top box, a stirring tank is fixedly connected to the inside of the mounting frame, a transmission rod is rotatably connected to the top of the stirring tank, one end of the transmission rod is fixedly connected to a pulley 2, the other end of the transmission rod is fixedly connected to a bevel gear 1, a spline sleeve is rotatably connected at the top center of the stirring tank, a bevel gear 2 is fixedly connected to the outside of the spline sleeve, a rotating rod is slidably connected to the inside of the spline sleeve, a plurality of stirring rods are fixedly connected to the outside of the rotating rod, and a quantity control mechanism is installed inside the stirring tank.
[0006] Furthermore, the volume control mechanism comprises a rotating ring, the inner side of the rotating ring is rotatably connected to the outer side of the rotating rod, and the outer side of the rotating ring is fixedly connected to a connecting rod.
[0007] Furthermore, the outer side of the connecting rod passes through the top wall of the stirring tank and the other end is fixedly connected to a flow blocking block, and the outside of the stirring tank is fixedly connected to a storage tank.
[0008] Furthermore, a second conduit is fixedly connected to the outer side of the storage tank, and the other end of the second conduit is fixedly connected to the top of the stirring tank.
[0009] Furthermore, a mounting sleeve is fixedly connected to the outside of the second conduit, and the outer side of the baffle block is slidably connected to the inner side of the mounting sleeve.
[0010] Furthermore, two hanging rods are fixedly connected to the inner top wall of the mixing tank, and the proximal ends of the two hanging rods are fixedly connected to inclined blocks, and an annular groove is provided on the top of the inclined block. An L-shaped rod is fixedly connected to the outer side of the rotating rod, and the bottom end of the L-shaped rod is slidably connected to the inner side of the annular groove.
[0011] Furthermore, the outer side of the rotating rod is movably connected to the inner side of the inclined block.
[0012] Furthermore, the outer side of the bevel gear one is meshedly connected with the outer side of the bevel gear two, the bottom of the conduit one is fixedly connected with the top of the mixing tank, the outer periphery of the pulley one and the outer periphery of the pulley two are sleeved with a belt, and the outer sides of the two cylindrical gears are meshedly connected.
[0013] The utility model has the following beneficial effects:
[0014] 1. In the utility model, the crushing roller is driven to rotate by starting the motor, and then the nylon material is put into the top box from the top, and the nylon powder enters the interior of the stirring tank. The pulley 1 drives the pulley 2 to rotate. Under the transmission of force, multiple stirring rods stir the nylon powder inside the stirring tank. The rotation of the rotating rod drives the L-shaped rod to slide along the inner side of the annular groove, so that the rotating rod moves up and down during rotation, so that the stirring effect of the stirring rod is better, and the crushing structure and the stirring structure are assembled together, which improves the integration of the device and improves the space utilization rate.
[0015] 2. In the utility model, the connecting rod drives the baffle block to move up and down through the action of the rotating rod, and the viscosity reducer gradually flows into the interior of the mixing tank through the second conduit. The viscosity reducer can reduce the viscosity of the nylon powder, improve its fluidity and processability, and make the nylon powder stirring effect better. An iron chain is hung on the outside of the mixing tank, and the bottom end of the iron chain contacts the ground, which can prevent the static electricity generated by the nylon powder during stirring from affecting the stirring effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a three-dimensional diagram of a nylon powder stirring device for 3D printing proposed by the utility model;
[0017] Figure 2 This is a rear view of a nylon powder stirring device for 3D printing proposed by the utility model;
[0018] Figure 3 This is a partial structural schematic diagram of a nylon powder stirring device for 3D printing proposed by the utility model;
[0019] Figure 4 This is a schematic diagram of the interior of a stirring tank of a nylon powder stirring device for 3D printing proposed by the utility model.
[0020] Legend:
[0021] 1. Mounting frame; 2. Top box; 3. Crushing roller; 4. Cylindrical gear; 5. Motor; 6. Pulley 1; 7. Conduit 1; 8. Mixing tank; 9. Transmission rod; 10. Pulley 2; 11. Bevel gear 1; 12. Spline sleeve; 13. Bevel gear 2; 14. Rotating rod; 15. Stirring rod; 16. Hanging rod; 17. Oblique block; 18. L-shaped rod; 19. Annular groove; 20. Rotating ring; 21. Connecting rod; 22. Thwart block; 23. Storage tank; 24. Conduit 2; 25. Mounting sleeve. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] Reference Figure 1-Figure 3 , the utility model provides an embodiment: a nylon powder stirring device for 3D printing, comprising a mounting frame 1, a top box 2 is fixedly connected to the top of the mounting frame 1, two crushing rollers 3 are rotatably connected inside the top box 2, one end of the crushing roller 3 is fixedly connected to a cylindrical gear 4, the other end of one of the crushing rollers 3 is fixedly connected to a pulley 6, a motor 5 is installed on the outside of the top box 2, the output end of the motor 5 is fixedly connected to the other end of the other crushing roller 3, the motor 5 is started to drive the crushing roller 3 to rotate, due to the meshing of the two cylindrical gears 4, the two crushing rollers 3 rotate at the same time, the bottom of the top box 2 is fixedly connected to a conduit 7, the inner side of the mounting frame 1 is fixedly connected to a stirring tank 8, nylon material is put into the top of the top box 2, the crushed nylon material will enter the inside of the stirring tank 8 through the conduit 7, the top of the stirring tank 8 is rotatably connected to a transmission rod 9, one end of the transmission rod 9 is fixedly connected to a pulley 2 10, the rotation of the crushing roller 3 will cause the pulley 6 to drive the pulley 2 10 to rotate, and then the transmission rod 9 rotates.
[0024] Reference Figure 1-Figure 3 The other end of the transmission rod 9 is fixedly connected with a bevel gear 11, and a spline sleeve 12 is rotatably connected to the top center of the mixing tank 8. The outer side of the spline sleeve 12 is fixedly connected with a bevel gear 2 13, and the inner side of the spline sleeve 12 is slidably connected with a rotating rod 14. The outer side of the rotating rod 14 is fixedly connected with a plurality of stirring rods 15. The bevel gear 11 drives the bevel gear 2 13 to rotate, so that the spline sleeve 12 drives the rotating rod 14 to rotate, so that the plurality of stirring rods 15 stir the nylon powder inside the mixing tank 8. The interior of the mixing tank 8 is installed with The quantity control mechanism, the outer side of bevel gear 11 is meshedly connected with the outer side of bevel gear 2 13, the bottom of conduit 1 7 is fixedly connected with the top of stirring tank 8, the outer periphery of pulley 1 6 and the outer periphery of pulley 2 10 are sleeved with a belt, the outer sides of two cylindrical gears 4 are meshedly connected, the top end of rotating rod 14 is a spline shaft used in conjunction with spline sleeve 12, the rotation of rotating rod 14 will drive L-shaped rod 18 to slide along the inner side of annular groove 19, so that rotating rod 14 will move up and down during rotation, so that the stirring effect of stirring rod 15 is better.
[0025] Reference Figure 2-Figure 4 The quantity control mechanism includes a rotating ring 20, the inner side of the rotating ring 20 is rotatably connected to the outer side of the rotating rod 14, the outer side of the rotating ring 20 is fixedly connected to a connecting rod 21, the outer side of the connecting rod 21 passes through the top wall of the mixing tank 8 and the other end is fixedly connected to a baffle 22, the rotating ring 20 will move with the rotating rod 14, and the connecting rod 21 drives the baffle 22 to move up and down.
[0026] Reference Figure 2-Figure 4 The outside of the stirring tank 8 is fixedly connected to a storage tank 23, the outside of the storage tank 23 is fixedly connected to a conduit 24, the other end of the conduit 24 is fixedly connected to the top of the stirring tank 8, the outside of the conduit 24 is fixedly connected to a mounting sleeve 25, the outside of the baffle 22 is slidably connected to the inside of the mounting sleeve 25, the viscosity reducer stored in the storage tank 23 will gradually flow into the inside of the stirring tank 8 through the conduit 24, the viscosity reducer can reduce the viscosity of the nylon powder, improve its fluidity and processability, and make the nylon powder stirring effect better.
[0027] Reference Figure 2-Figure 4Two hanging rods 16 are fixedly connected to the inner top wall of the stirring tank 8, and the proximal ends of the two hanging rods 16 are fixedly connected with an inclined block 17. An annular groove 19 is provided on the top of the inclined block 17. An L-shaped rod 18 is fixedly connected to the outer side of the rotating rod 14. The bottom end of the L-shaped rod 18 is slidably connected to the inner side of the annular groove 19. The L-shaped rod 18 cooperates with the annular groove 19 to enable the rotating rod 14 to move up and down when rotating. The outer side of the rotating rod 14 is movably connected to the inner side of the inclined block 17. A valve is provided at the bottom of the stirring tank 8. After the stirring is completed, the nylon powder can be discharged through the valve. An iron chain is hung on the outer side of the stirring tank 8, and the bottom end of the iron chain contacts the ground, which can prevent the static electricity generated by the nylon powder during stirring from affecting the stirring effect.
[0028] Working principle: First, the staff can start the motor 5 to drive the crushing roller 3 to rotate, so that the two crushing rollers 3 rotate at the same time, and then put the nylon material from the top of the top box 2, and the crushed nylon material will enter the inside of the mixing tank 8 through the conduit 17, and the rotation of the crushing roller 3 will cause the pulley 16 to drive the pulley 2 10 to rotate, and then the transmission rod 9 will rotate, and then the bevel gear 11 will drive the bevel gear 2 13 to rotate, so that the spline sleeve 12 will drive the rotating rod 14 to rotate, so that multiple stirring rods 15 stir the nylon powder inside the mixing tank 8, and the rotation of the rotating rod 14 will drive the L-shaped rod 18 to slide along the inner side of the annular groove 19, so that the rotating rod 14 will move up and down during rotation, so that the stirring effect of the stirring rod 15 is better;
[0029] In addition, the rotating ring 20 will move with the rotating rod 14, and the connecting rod 21 will drive the baffle block 22 to move up and down. The viscosity reducer stored in the storage tank 23 will gradually flow into the interior of the mixing tank 8 through the conduit 24. A valve is set at the bottom of the mixing tank 8. After the mixing is completed, the nylon powder can be discharged through the valve. An iron chain is hung on the outside of the mixing tank 8, and the bottom end of the iron chain contacts the ground, which can prevent the static electricity generated by the nylon powder during mixing from affecting the mixing effect.
[0030] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A nylon powder stirring device for 3D printing, comprising a mounting frame (1), characterized in that: The top of the mounting frame (1) is fixedly connected to a top box (2), and two crushing rollers (3) are rotatably connected inside the top box (2), one end of each crushing roller (3) is fixedly connected to a cylindrical gear (4), and the other end of one of the crushing rollers (3) is fixedly connected to a pulley (6). A motor (5) is installed on the outside of the top box (2), and the output end of the motor (5) is fixedly connected to the other end of the other crushing roller (3). A conduit (7) is fixedly connected to the bottom of the top box (2), and a stirring tank (8) is fixedly connected to the inside of the mounting frame (1). The top of the stirring tank (8) is rotatably connected to a transmission rod (9), one end of the transmission rod (9) is fixedly connected to a second pulley (10), the other end of the transmission rod (9) is fixedly connected to a first bevel gear (11), the top center of the stirring tank (8) is rotatably connected to a spline sleeve (12), the outer side of the spline sleeve (12) is fixedly connected to a second bevel gear (13), the inner side of the spline sleeve (12) is slidably connected to a rotating rod (14), the outer side of the rotating rod (14) is fixedly connected to a plurality of stirring rods (15), and a quantity control mechanism is installed inside the stirring tank (8).
2. A nylon powder stirring device for 3D printing according to claim 1, characterized in that: The control mechanism comprises a rotating ring (20), the inner side of the rotating ring (20) is rotatably connected to the outer side of the rotating rod (14), and the outer side of the rotating ring (20) is fixedly connected to a connecting rod (21).
3. A nylon powder stirring device for 3D printing according to claim 2, characterized in that: The outer side of the connecting rod (21) passes through the top wall of the stirring tank (8) and the other end is fixedly connected to a flow blocking block (22), and the outside of the stirring tank (8) is fixedly connected to a storage tank (23).
4. A nylon powder stirring device for 3D printing according to claim 3, characterized in that: A second conduit (24) is fixedly connected to the outside of the storage tank (23), and the other end of the second conduit (24) is fixedly connected to the top of the stirring tank (8).
5. A nylon powder stirring device for 3D printing according to claim 4, characterized in that: The outside of the second conduit (24) is fixedly connected with a mounting sleeve (25), and the outside of the flow blocking block (22) is slidably connected with the inside of the mounting sleeve (25).
6. A nylon powder stirring device for 3D printing according to claim 5, characterized in that: Two hanging rods (16) are fixedly connected to the inner top wall of the stirring tank (8), and the adjacent ends of the two hanging rods (16) are fixedly connected to an inclined block (17), and an annular groove (19) is formed on the top of the inclined block (17). An L-shaped rod (18) is fixedly connected to the outer side of the rotating rod (14), and the bottom end of the L-shaped rod (18) is slidably connected to the inner side of the annular groove (19).
7. A nylon powder stirring device for 3D printing according to claim 6, characterized in that: The outer side of the rotating rod (14) is movably connected to the inner side of the inclined block (17).
8. The nylon powder stirring device for 3D printing according to claim 1, characterized in that: The outer side of the bevel gear 1 (11) is meshedly connected with the outer side of the bevel gear 2 (13), the bottom of the conduit 1 (7) is fixedly connected with the top of the mixing tank (8), the outer periphery of the pulley 1 (6) and the outer periphery of the pulley 2 (10) are sleeved with a belt, and the outer sides of the two cylindrical gears (4) are meshedly connected.