3D printing powder screening machine

Abstract

The utility model provides a 3D printing powder screening machine, and relates to the technical field of 3D printing equipment, the 3D printing powder screening machine comprises a box body, one side of the box body is provided with a box door through a hinge, the top of the box body is provided with a feed port, the inner wall of the box body is provided with a group of sliding rails, the sliding rails are internally provided with a screening plate, the surface of the screening plate is provided with a plurality of screening holes, and the screening holes are communicated with the box door. According to the device, materials blocked in sieve holes can be ejected out in the screening process, the problem that small-particle materials difficultly pass through the sieve holes due to the fact that the sieve holes are blocked by large-particle materials is solved, the screening efficiency is improved, meanwhile, a damaged sieve plate can be rapidly replaced, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to 3D printing equipment technical field, more specifically, it is especially related to a 3D printing powder screening machine. BACKGROUND

[0002] 3D printing is a kind of rapid prototyping technology, also called additive manufacturing, it is a kind of technology that is based on digital model file, uses powder-like metal or plastic and other adhesion materials, and constructs object by layer printing.

[0003] Based on the above, the inventor finds that there are the following problems: at present, part of 3D printing powder screening machine is easy to block in the sieve hole during use, which leads to that small particle materials are difficult to pass through the sieve hole, and further reduces the screening efficiency, and is inconvenient to use, and the sieve plate is usually fixedly installed in the screening machine, and when the sieve plate is damaged after long-time use, it is inconvenient to replace.

[0004] Therefore, in view of the above, the existing structure and defects are improved, and a 3D printing powder screening machine is provided to achieve the purpose of having more practical value. INVENTION CONTENTS

[0005] The purpose and effect of the 3D printing powder screening machine are achieved by the following specific technical means:

[0006] A 3D printing powder screening machine, comprising a box body, a box door is installed on one side of the box body through a hinge, a feeding port is arranged on the top of the box body, a group of sliding rails are installed on the inner wall of the box body, a sieve plate is arranged in the sliding rail, a plurality of sieve holes are arranged on the surface of the sieve plate, and a dredging assembly is installed in the box body.

[0007] Further, the dredging assembly comprises a group of fixed blocks installed on the inner wall of the box body, a cavity is arranged in the fixed block, a limiting plate is arranged in the cavity, a supporting rod is installed on one side of the limiting plate, a spring is arranged around the supporting rod, an installation frame is connected to the top of the supporting rod, a plurality of connecting rods are installed in the installation frame, and a top rod is installed on the top of the connecting rod.

[0008] Further, the position of the top rod corresponds to the position of the sieve hole.

[0009] Further, an installation seat is arranged on one side of the box body, a motor is installed on the top of the installation seat, a cam is connected to the output shaft of the motor and penetrates the box body, and one end of the cam is attached to the bottom of the installation frame.

[0010] Further, a group of guide plates are installed on the inner wall of the box body.

[0011] Further, the bottom of the box is provided with a collecting box, one end of the collecting box is connected with a handle outside through the box.

[0012] Further, the bottom of the box is provided with a collecting box, one end of the collecting box is connected with a handle outside through the box.

[0013] Compared with the prior art, the 3D printing powder screening machine has the beneficial effects that:

[0014] 1. By the cooperation of the motor, the cam, the supporting rod, the spring, the mounting frame and the ejector rod, the 3D printing powder to be screened is put into the box from the feeding port and screened, the motor is started at the same time of screening, the motor drives the cam to rotate, one end of the cam continuously pushes the mounting frame upward, the mounting frame reciprocates up and down under the action of the spring, the ejector rod can continuously eject the material blocked in the sieve hole, the problem that the sieve hole is blocked by large particles of material and small particles of material cannot pass through the sieve hole is avoided, and the screening efficiency is improved.

[0015] 2. By the design of the guide plate, the 3D printing powder after screening can fall into the inside of the collecting box, and the 3D printing powder screening machine is convenient to use.

[0016] 3. By the cooperation of the handle and the collecting box, after screening is completed, the staff can take out the collecting box through the handle, the staff can centrally process the 3D printing powder after screening, and the staff is facilitated.

[0017] 4. By the cooperation of the slide rail and the sieve plate, when the sieve plate is damaged after long-term use, the sieve plate can be replaced by taking out the sieve plate from the slide rail, and the operation is convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a three-dimensional schematic view of the 3D printing powder screening machine.

[0019] Figure 2 is a three-dimensional schematic view of the 3D printing powder screening machine.

[0020] Figure 3 is a three-dimensional schematic view of the 3D printing powder screening machine.

[0021] Figure 4 is a plan view of the 3D printing powder screening machine.

[0022] Figure 5 is a three-dimensional schematic view of the 3D printing powder screening machine Figure 4 in the A point.

[0023] Figure 6 is a three-dimensional schematic view of the mounting frame of the 3D printing powder screening machine

[0024] In the drawings, the correspondence between the component names and the drawing numbers is as follows:

[0025] 1, box; 2, box door; 3, feed inlet; 4, collection box; 5, handle; 6, slide rail; 7, sieve plate; 8, sieve hole; 9, guide plate; 10, mounting seat; 11, motor; 12, mounting frame; 13, connecting rod; 14, ejector rod; 15, cam; 16, fixed block; 17, cavity; 18, limiting plate; 19, support rod; 20, spring; 21, vibration motor. DETAILED DESCRIPTION

[0026] The embodiments of the present application will be further described in detail below with reference to the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0027] Example:

[0028] As shown in the accompanying Figure 1 to the accompanying Figure 6 As shown:

[0029] The utility model provides a kind of 3D printing powder screening machine, including box 1, the box 1 side is equipped with box door 2 by hinge, the top of the box 1 is provided with feed inlet 3, the inner wall of the box 1 is equipped with a group of slide rails 6, the inside of the slide rail 6 is equipped with sieve plate 7, the surface of the sieve plate 7 is equipped with several sieve holes 8, the inside of the box 1 is equipped with dredging assembly, by the cooperation of slide rail 6 and sieve plate 7, when sieve plate 7 is damaged after long time use, sieve plate 7 can be replaced by being extracted from slide rail 6, it is convenient and fast to operate.

[0030] Among them, the dredging assembly includes a group of fixed blocks 16 installed on the inner wall of the box 1, the inside of the fixed block 16 is equipped with cavity 17, the inside of the cavity 17 is equipped with limiting plate 18, one side of the limiting plate 18 is equipped with support rod 19, the periphery of the support rod 19 is equipped with spring 20, the top of the support rod 19 is connected with mounting frame 12, the inside of the mounting frame 12 is equipped with several connecting rods 13, the top of the connecting rod 13 is equipped with ejector rod 14, by the cooperation of motor 11, cam 15, support rod 19, spring 20, mounting frame 12 and ejector rod 14, 3D printing powder needing screening is put into the box 1 from feed inlet 3 and screening is carried out to material, while screening, motor 11 is started, motor 11 drives cam 15 to rotate, then one end of cam 15 constantly pushes mounting frame 12 upwards, while under the action of spring 20, mounting frame 12 reciprocates up and down, then ejector rod 14 can constantly eject material blocked in sieve hole 8, avoid the problem that sieve hole 8 is blocked by large-particle material, small-particle material is difficult to pass through sieve hole 8, improve screening efficiency.

[0031] The position of the top rod 14 corresponds to the position of the sieve hole 8.

[0032] The top of the mounting seat 10 is provided with a motor 11, the output shaft of the motor 11 penetrates the box body 1 and is connected with a cam 15, one end of the cam 15 is in close contact with the bottom of the mounting frame 12.

[0033] A group of material guide plates 9 are installed on the inner wall of the box body 1. Through the design of the material guide plate 9, the 3D printing powder after screening falls into the inside of the collecting box 4, which is convenient to use.

[0034] The bottom of the box body 1 is provided with a collecting box 4, one end of the collecting box 4 penetrates the box body 1 and is connected with a handle 5 outside. After screening is completed, the staff can pull out the collecting box 4 through the handle 5, which is convenient for the staff to concentrate on the 3D printing powder after screening, and brings convenience to the staff.

[0035] The bottom of the box body 1 is provided with a vibrating motor 21.

[0036] The specific use and effect of the embodiment are as follows:

[0037] First, check the integrity of the device, and then use it after confirming that it is correct. Put the 3D printing powder that needs to be screened into the box body 1 from the feeding port 3 and screen the material. At the same time of screening, start the motor 11, the motor 11 drives the cam 15 to rotate, and then one end of the cam 15 constantly pushes the mounting frame 12 upwards, and at the same time, the mounting frame 12 does up-down reciprocating motion under the action of the spring 20, and then the top rod 14 can constantly push the material blocked in the sieve hole 8 out, avoiding the problem that the sieve hole 8 is blocked by large particles of material, causing small particles of material to be difficult to pass through the sieve hole 8, improving the screening efficiency. Through the design of the material guide plate 9, the 3D printing powder after screening falls into the inside of the collecting box 4, which is convenient to use. After screening is completed, the staff can pull out the collecting box 4 through the handle 5, which is convenient for the staff to concentrate on the 3D printing powder after screening, and brings convenience to the staff. When the sieve plate 7 is damaged after long-term use, the sieve plate 7 can be replaced by pulling it out of the sliding rail 6, which is convenient and fast.

[0038] The embodiments of the present application are given for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present application to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. Embodiments were chosen and described in order to best explain the principles of the present application and its practical application, and to thereby enable others skilled in the art to best utilize the present application with various modifications as are suited to the particular use contemplated.

Claims

1. A 3D printing powder sieving machine comprising a cabinet (1), characterized in that: The side of the box (1) is provided with a box door (2) through a hinge, the top of the box (1) is provided with a feeding port (3), the inner wall of the box (1) is provided with a group of slide rails (6), the inside of the slide rail (6) is provided with a sieve plate (7), the surface of the sieve plate (7) is provided with a plurality of sieve holes (8), and the inside of the box (1) is provided with a dredging assembly.

2. A 3D printing powder sieving machine as claimed in claim 1, wherein: The dredging assembly comprises a group of fixed blocks (16) mounted on the inner wall of the box (1), a cavity (17) is formed in the inside of the fixed block (16), a limiting plate (18) is arranged in the inside of the cavity (17), a supporting rod (19) is mounted on one side of the limiting plate (18), a spring (20) is arranged on the periphery of the supporting rod (19), an installation frame (12) is connected to the top of the supporting rod (19), a plurality of connecting rods (13) are mounted in the inside of the installation frame (12), and a top rod (14) is mounted on the top of the connecting rod (13).

3. A 3D printing powder sieving machine as claimed in claim 2, wherein: The position of the top rod (14) corresponds to the position of the sieve hole (8).

4. The 3D printing powder sieving machine of claim 2, wherein: One side of the box (1) is provided with a mounting seat (10), the top of the mounting seat (10) is provided with a motor (11), the output shaft of the motor (11) penetrates the box (1) and is connected with a cam (15), and one end of the cam (15) is attached to the bottom of the installation frame (12).

5. The 3D printing powder sieving machine of claim 1, wherein: The inner wall of the box (1) is provided with a group of guide plates (9).

6. The 3D printing powder sieving machine of claim 1, wherein: The bottom of the box (1) is provided with a collecting box (4), one end of the collecting box (4) penetrates the box (1) and is connected with a handle (5) outside.

7. The 3D printing powder sieving machine of claim 1, wherein: The bottom of the box (1) is provided with a vibrating motor (21).

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