Powder cleaning device suitable for large metal 3D printing equipment

Abstract

The utility model relates to a powder cleaning device suitable for metal 3D printing large equipment, which comprises a support frame, a Y-direction beam, an X-direction beam, a moving seat, a Y-direction driving mechanism, an X-direction driving mechanism, a powder cleaning actuating mechanism and a control system, the Y-direction beam is fixedly arranged on the support frame, the X-direction beam is arranged on the Y-direction beam and can move linearly along the Y-direction beam, and the X-direction beam is arranged on the X-direction beam and can move linearly along the X-direction beam. The Y-direction driving mechanism drives the X-direction beam to do linear motion in the Y direction, the moving seat is installed on the X-direction beam and can do linear motion along the X-direction beam, the X-direction driving mechanism drives the moving seat to do linear motion in the X direction, and the X direction and the Y direction are parallel to the horizontal plane. The powder cleaning executing mechanism comprises a mechanical arm mounted on the moving seat and a powder cleaning structure mounted on the mechanical arm; the control system is in control connection with the Y-direction driving mechanism, the X-direction driving mechanism and the mechanical arm.

Description

Technical Field

[0001] The utility model relates to the technical field of metal 3D printing, and in particular to a powder cleaning device suitable for large metal 3D printing equipment. Background Art

[0002] Metal 3D printing has broad application prospects in manufacturing, aerospace, medical, automotive and other fields, and can realize the manufacturing and personalized production of complex structures. With the continuous development of metal 3D printing, its demand in the aerospace and military fields has increased, which means that the size of metal 3D printing equipment has also increased. In large metal 3D printing equipment, the powder cleaning work after printing is relatively cumbersome. The powder cleaning cabin of large equipment is large in size. When the operator cleans the powder from the window due to the limitation of the length of the arm and the powder cleaning gun, only part of the metal powder can be cleaned, and the remaining metal powder is difficult to clean. At the same time, if the shape of the print is special, the metal powder attached to the print itself is difficult to clean. It is necessary to clean the powder when picking up the part, which not only affects the efficiency of cleaning the powder, but also may waste metal powder if the operation is improper. At the same time, it increases the risk of the operator inhaling the powder into the body, which is harmful to health. Utility Model Content

[0003] In view of the shortcomings of the prior art mentioned above, the technical problem to be solved by the present invention is to provide a powder cleaning device suitable for large metal 3D printing equipment, which can realize automatic powder cleaning, move flexibly, and effectively improve powder cleaning efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides a powder cleaning device suitable for large metal 3D printing equipment, including a support frame, a Y-axis beam, an X-axis beam, a movable seat, a Y-axis driving mechanism, an X-axis driving mechanism, a powder cleaning actuator and a control system, wherein the Y-axis beam is fixedly mounted on the support frame, the X-axis beam is mounted on the Y-axis beam and can move linearly along the Y-axis beam, the Y-axis driving mechanism drives the X-axis beam to move linearly along the Y-axis, the movable seat is mounted on the X-axis beam and can move linearly along the X-axis beam, the X-axis driving mechanism drives the movable seat to move linearly along the X-axis, and both the X-axis and the Y-axis are parallel to the horizontal plane; the powder cleaning actuator includes a mechanical arm mounted on the movable seat, and a powder cleaning structure mounted on the mechanical arm; the control system is respectively controlled and connected to the Y-axis driving mechanism, the X-axis driving mechanism and the mechanical arm.

[0005] Furthermore, the powder cleaning structure is a brush.

[0006] Furthermore, there are two Y-direction beams, and both ends of the X-direction beam are respectively installed on the Y-direction beams.

[0007] Furthermore, the Y-direction drive mechanism includes a Y-direction drive rack, a Y-direction drive gear and a Y-direction drive motor, the Y-direction drive rack is fixed on the Y-direction beam, the Y-direction drive gear is installed on the X-direction beam and the two move synchronously in the Y direction, the Y-direction drive gear is meshed with the Y-direction drive rack, the Y-direction drive motor is installed on the X-direction beam and drives the Y-direction drive gear to rotate, and the control system is connected to the Y-direction drive motor control.

[0008] Furthermore, it also includes a Y-direction guiding mechanism, which includes a Y-direction guide rail fixed on the Y-direction beam and a Y-direction slider installed on the Y-direction guide rail, and the X-direction beam is fixedly connected to the Y-direction slider.

[0009] Furthermore, the X-direction drive mechanism includes an X-direction drive rack, an X-direction drive gear and an X-direction drive motor, the X-direction drive rack is fixed on the X-direction beam, the X-direction drive gear is installed on the moving seat and the two move synchronously in the X-direction, the X-direction drive gear is meshed with the X-direction drive rack, the X-direction drive motor is installed on the moving seat and drives the X-direction drive gear to rotate, and the control system is connected to the X-direction drive motor control.

[0010] Furthermore, it also includes an X-direction guiding mechanism, which includes an X-direction guide rail fixed on the X-direction beam and an X-direction slider installed on the X-direction guide rail, and the moving seat is fixedly connected to the Y-direction slider.

[0011] Furthermore, it also includes two limit switches arranged on the X-beam, the movable seat moves between the two limit switches, and the limit switch is communicatively connected with the control system.

[0012] Furthermore, it comprises two anti-collision blocks fixed on the X-axis beam, and the movable seat moves between the two anti-collision blocks.

[0013] Furthermore, it also includes a box body, and the support frame, Y-axis beam, X-axis beam, movable seat, Y-axis driving mechanism, X-axis driving mechanism and powder cleaning actuator are all located in the box body.

[0014] As described above, the powder cleaning device involved in the utility model has the following beneficial effects:

[0015] It can perform multi-dimensional movements according to actual powder cleaning needs, and use a robotic arm to drive the brush to move in space to achieve all-round powder cleaning. It has high powder cleaning efficiency and a wide working range. By setting the length of the Y-beam and the X-beam, it can meet the powder cleaning needs of large metal 3D printing equipment; the movement of the powder cleaning actuator in the X and Y directions is smooth and reliable. By controlling the movement of the motor and using the transmission of gears and racks, it is convenient to design a large range of movement, and the movement control is accurate and convenient; the movement of the powder cleaning actuator in the X and Y directions, as well as the movement of its robotic arm, is controlled by the control system to realize the automation of the powder cleaning device, reduce the labor load, and ensure the health and safety of operators. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the powder cleaning device of the utility model.

[0017] Figure 2 for Figure 1 Enlarged view of circle A in .

[0018] Figure 3 It is a structural schematic diagram of the powder cleaning device of the utility model.

[0019] Figure 4 for Figure 3 Enlarged view of circle B in .

[0020] Figure 5 for Figure 3 Enlarged view of circle C in .

[0021] Figure 6 It is a front side view of the powder cleaning device of the present utility model.

[0022] Figure 7 It is an external schematic diagram of the powder cleaning device of the utility model.

[0023] Description of Figure Numbers

[0024] 1 Column

[0025] 2 Y beam

[0026] 3 X beam

[0027] 4 Mobile seat

[0028] 5 Powder cleaning actuator

[0029] 501 Robotic Arm

[0030] 502 Brush

[0031] 6 Y-axis drive mechanism

[0032] 601 Y-axis drive rack

[0033] 602 Y-axis driving gear

[0034] 603 Y-axis drive motor

[0035] 604 Y-axis drive reducer

[0036] 7 X-axis drive mechanism

[0037] 701 X-axis drive rack

[0038] 702 X-direction drive gear

[0039] 703 X-axis drive motor

[0040] 704 X-axis drive reducer

[0041] 8 Y-guide mechanism

[0042] 801 Y guide rail

[0043] 802 Y slider

[0044] 9 X-guide mechanism

[0045] 901 X-Guide Rail

[0046] 902 X-axis slider

[0047] 10 Anti-collision block

[0048] 11 Limit switch

[0049] 12 Cabinet DETAILED DESCRIPTION

[0050] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0051] It should be noted that the structures, proportions, sizes, etc. drawn in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size, without affecting the effects and purposes that can be achieved by the utility model, should still fall within the scope of the technical content disclosed by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and so on quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantial change of the technical content.

[0052] See also Figures 1 to 7The utility model provides a powder cleaning device suitable for large metal 3D printing equipment, including a support frame, a Y-axis beam 2, an X-axis beam 3, a moving seat 4, a Y-axis driving mechanism 6, an X-axis driving mechanism 7, a powder cleaning actuator 5 and a control system, wherein the Y-axis beam 2 is fixedly mounted on the support frame, the X-axis beam 3 is mounted on the Y-axis beam 2 and can move linearly along the Y-axis beam 2, the Y-axis driving mechanism 6 drives the X-axis beam 3 to move linearly along the Y-axis, the moving seat 4 is mounted on the X-axis beam 3 and can move linearly along the X-axis beam 3, the X-axis driving mechanism 7 drives the moving seat 4 to move linearly along the X-axis, the X-axis and the Y-axis are both parallel to the horizontal plane, and the two are preferably perpendicular to each other; the powder cleaning actuator 5 includes a mechanical arm 501 mounted on the moving seat 4, and a powder cleaning structure mounted on the mechanical arm 501; the control system is respectively controlled and connected with the Y-axis driving mechanism 6, the X-axis driving mechanism 7 and the mechanical arm 501.

[0053] The basic working principle of the powder cleaning device involved in the utility model is: after the printing work is completed, the printed piece is moved to the powder cleaning station, and the powder cleaning station is located within the range of motion of the mechanical arm 501 of the powder cleaning device. Then the powder cleaning device is started, and the Y-direction drive mechanism 6 and the X-direction drive mechanism 7 are controlled by the control system as needed, and the Y-direction drive mechanism 6 is used to drive the X-direction beam 3 to move linearly along the Y direction, and the X-direction drive mechanism 7 is used to drive the moving seat 4 to move linearly along the X direction, which can respectively realize the movement of the powder cleaning actuator 5 in the X direction and the Y direction, facilitate position adjustment, and can move the powder cleaning actuator 5 to the corresponding position as needed to perform powder cleaning. At the same time, the mechanical arm 501 of the powder cleaning actuator 5 moves, driving the powder cleaning structure to move in the space, so that the powder cleaning structure moves to the designated position for powder cleaning. Among them, the powder cleaning structure is preferably a brush 502, and a powder suction device, a jet head, and other structures that can remove powder can also be used, which can be specifically set as needed. The powder cleaning device can move in different directions according to the actual powder cleaning needs to achieve all-round powder cleaning with high powder cleaning efficiency and a wide working range. By setting the lengths of the Y-axis beam 2 and the X-axis beam 3, the powder cleaning needs of large metal 3D printing equipment can be well met.

[0054] In this embodiment, see Figure 1 As a preferred design, there are two Y-direction beams 2, and both ends of the X-direction beam 3 are respectively installed on the Y-direction beam 2. Two Y-direction drive mechanisms 6 are provided, which are respectively used to drive the two ends of the X-direction beam 3 to move synchronously. In this embodiment, the support frame includes four columns 1, and each Y-direction beam 2 is fixedly installed on two columns 1 to achieve stable support and fixation. The columns 1, the Y-direction beams 2 and the X-direction beams 3 constitute a gantry truss structure, which is stable and reliable.

[0055] In this embodiment, see Figure 1 , Figure 3 and Figure 4As a preferred design, the Y-axis driving mechanism 6 includes a Y-axis driving rack 601, a Y-axis driving gear 602 and a Y-axis driving motor 603. The Y-axis driving rack 601 is fixed on the Y-axis beam 2, the Y-axis driving gear 602 is installed on the X-axis beam 3 and the two move synchronously in the Y direction. The Y-axis driving gear 602 is meshed with the Y-axis driving rack 601, the Y-axis driving motor 603 is installed on the X-axis beam 3 and drives the Y-axis driving gear 602 to rotate, and the control system is connected to the control of the Y-axis driving motor 603. Specifically, the output shaft of the Y-axis driving motor 603 is connected to a Y-axis driving reducer 604, and the Y-axis driving gear 602 is fixedly installed on the output shaft of the Y-axis driving reducer 604, so that the Y-axis driving gear 602 and the X-axis beam 3 move synchronously in the Y direction, and the Y-axis driving motor 603 drives the Y-axis driving gear 602 to rotate through the Y-axis driving reducer 604. In this way, the motion range of the X-axis beam 3 in the Y direction can be well designed, so that the powder cleaning actuator 5 has a large motion range in the Y direction. The control system drives the Y-axis driving gear 602 to rotate by controlling the rotation of the Y-axis driving motor 603, and drives the X-axis beam 3 to move along the Y-axis straight line through meshing with the Y-axis driving rack 601, and the motion control is accurate and convenient.

[0056] In this embodiment, see Figure 1 , Figure 3 and Figure 5 Furthermore, the powder cleaning device also includes a Y-direction guide mechanism 8 arranged between the Y-direction beam 2 and the X-direction beam 3. The Y-direction guide mechanism 8 includes a Y-direction guide rail 801 fixed on the Y-direction beam 2, and a Y-direction slider 802 installed on the Y-direction guide rail 801. The X-direction beam 3 is fixedly connected to the Y-direction slider 802. The Y-direction guide rail 801 extends along the Y direction. The Y-direction slider 802 can slide linearly along the Y-direction guide rail 801. The movement of the X-direction beam 3 is guided by the Y-direction guide mechanism 8, and the movement is stable and reliable.

[0057] In this embodiment, see Figure 1 and Figure 2As a preferred design, the X-direction driving mechanism 7 includes an X-direction driving rack 701, an X-direction driving gear 702 and an X-direction driving motor 703. The X-direction driving rack 701 is fixed on the X-direction beam 3 and extends along the X-direction straight line. The X-direction driving gear 702 is installed on the moving seat 4 and the two move synchronously in the X-direction. The X-direction driving gear 702 is meshed with the X-direction driving rack 701. The X-direction driving motor 703 is installed on the moving seat 4 and drives the X-direction driving gear 702 to rotate. Specifically, the output shaft of the X-direction driving motor 703 is connected to an X-direction driving reducer 704, and the X-direction driving gear 702 is fixedly installed on the output shaft of the X-direction driving reducer 704, so that the X-direction driving gear 702 and the moving seat 4 move synchronously in the X-direction, and the X-direction driving motor 703 drives the X-direction driving gear 702 to rotate through the X-direction driving reducer 704. In this way, the range of motion of the moving seat 4 in the X-direction can be well designed, so that the powder cleaning actuator 5 has a large range of motion in the X-direction. The control system drives the X-direction driving gear 702 to rotate by controlling the rotation of the X-direction driving motor 703, and drives the moving seat 4 to move linearly along the X-direction through meshing with the X-direction driving rack 701, so that the motion control is accurate and convenient.

[0058] In this embodiment, see Figure 1 and Figure 2 Furthermore, the powder cleaning device also includes an X-direction guide mechanism 9 arranged between the moving seat 4 and the X-direction beam 3. The X-direction guide mechanism 9 includes an X-direction guide rail 901 fixed on the X-direction beam 3, and an X-direction slider 902 installed on the X-direction guide rail 901. The moving seat 4 is fixedly connected to the X-direction slider 902. The X-direction guide rail 901 extends along the Y direction. The X-direction slider 902 can slide linearly along the X-direction guide rail 901. The movement of the moving seat 4 is guided by the X-direction guide mechanism 9, and the movement is stable and reliable.

[0059] In this embodiment, see Figure 1 As a preferred design, the powder cleaning device also includes two limit switches 11 arranged on the X-direction beam 3, the movable seat 4 moves between the two limit switches 11, the limit switch 11 is connected to the control system in communication, and the limit switch 11 is used to determine the moving range of the movable seat 4 in the X direction. When the movable seat 4 moves to the limit positions on both sides on the X-direction beam 3, the control system controls the movable seat 4 to stop or move in the reverse direction according to the signal of the limit switch 11. Furthermore, two anti-collision blocks 10 are fixedly arranged on the X-direction beam 3, the movable seat 4 moves between the two anti-collision blocks 10, and the anti-collision blocks 10 are used to prevent the movable seat 4 from moving too far in the X direction and to prevent the movable seat 4 from colliding with the limit switch 11.

[0060] In this embodiment, see Figure 1As a preferred design, the powder cleaning device further includes a box 12, in which the support frame, the Y-axis beam 2, the X-axis beam 3, the moving seat 4, the Y-axis driving mechanism 6, the X-axis driving mechanism 7 and the powder cleaning actuator 5 are all located, wherein the four columns 1 of the support frame are fixed on the bottom plate of the box 12. When cleaning the powder, the printed piece is located in the box 12, which reduces the pollution to the external air and prevents the staff from being exposed to dust.

[0061] In this embodiment, see Figure 1 As a preferred design, the powder cleaning structure of the powder cleaning actuator 5 adopts a brush 502, and the robot 501 is a five-axis robot, which can realize complex spatial movement, drive the brush 502 to move in the space, and realize all-round powder cleaning.

[0062] From the above, it can be seen that the powder cleaning device of the utility model has the following beneficial effects:

[0063] 1. According to the actual powder cleaning needs, multi-dimensional movement is performed, and the mechanical arm 501 is used to drive the brush 502 to move in the space to achieve all-round powder cleaning, with high powder cleaning efficiency and a wide working range. By setting the length of the Y-axis beam 2 and the X-axis beam 3, the powder cleaning needs of large metal 3D printing equipment can be met.

[0064] 2. The movement of the powder cleaning actuator 5 in the X direction and the Y direction is stable and reliable. By controlling the movement of the motor and utilizing the transmission of the gear and rack, it is convenient to design a large movement range, and the movement control is accurate and convenient.

[0065] 3. The control system is used to control the movement of the powder cleaning actuator 5 in the X and Y directions, as well as the movement of its mechanical arm 501, so as to realize the automation of the powder cleaning device, reduce the labor load, and ensure the health and safety of the operators.

[0066] In summary, the utility model effectively overcomes various shortcomings in the prior art and has high industrial utilization value.

[0067] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A powder cleaning device suitable for large metal 3D printing equipment, characterized by: The invention comprises a support frame, a Y-direction beam (2), an X-direction beam (3), a movable seat (4), a Y-direction driving mechanism (6), an X-direction driving mechanism (7), a powder cleaning actuator (5) and a control system, wherein the Y-direction beam (2) is fixedly mounted on the support frame, the X-direction beam (3) is mounted on the Y-direction beam (2) and can move linearly along the Y-direction beam (2), the Y-direction driving mechanism (6) drives the X-direction beam (3) to move linearly along the Y-direction, the movable seat (4) is mounted on the X-direction beam (3) and can move linearly along the X-direction beam (3), the X-direction driving mechanism (7) drives the movable seat (4) to move linearly along the X-direction, and both the X-direction and the Y-direction are parallel to a horizontal plane; the powder cleaning actuator (5) comprises a mechanical arm (501) mounted on the movable seat (4) and a powder cleaning structure mounted on the mechanical arm (501); and the control system is respectively connected to the Y-direction driving mechanism (6), the X-direction driving mechanism (7) and the mechanical arm (501).

2. The powder cleaning device suitable for large metal 3D printing equipment according to claim 1 is characterized in that: The powder cleaning structure is a brush (502).

3. The powder cleaning device suitable for large metal 3D printing equipment according to claim 1 is characterized in that: There are two Y-direction beams (2), and both ends of the X-direction beam (3) are respectively installed on the Y-direction beams (2).

4. The powder cleaning device suitable for large metal 3D printing equipment according to claim 1 is characterized in that: The Y-direction driving mechanism (6) comprises a Y-direction driving rack (601), a Y-direction driving gear (602) and a Y-direction driving motor (603); the Y-direction driving rack (601) is fixed on the Y-direction beam (2); the Y-direction driving gear (602) is mounted on the X-direction beam (3) and the two move synchronously in the Y direction; the Y-direction driving gear (602) is meshed with the Y-direction driving rack (601); the Y-direction driving motor (603) is mounted on the X-direction beam (3) and drives the Y-direction driving gear (602) to rotate; and the control system is connected to the Y-direction driving motor (603) for control.

5. The powder cleaning device suitable for large metal 3D printing equipment according to claim 1 or 4, characterized in that: It also includes a Y-direction guide mechanism (8), the Y-direction guide mechanism (8) including a Y-direction guide rail (801) fixed on the Y-direction beam (2), and a Y-direction slider (802) installed on the Y-direction guide rail (801), and the X-direction beam (3) is fixedly connected to the Y-direction slider (802).

6. The powder cleaning device suitable for large metal 3D printing equipment according to claim 1, characterized in that: The X-direction driving mechanism (7) comprises an X-direction driving rack (701), an X-direction driving gear (702) and an X-direction driving motor (703); the X-direction driving rack (701) is fixed on the X-direction beam (3); the X-direction driving gear (702) is mounted on the moving seat (4) and the two move synchronously in the X-direction; the X-direction driving gear (702) is meshed with the X-direction driving rack (701); the X-direction driving motor (703) is mounted on the moving seat (4) and drives the X-direction driving gear (702) to rotate; and the control system is control-connected to the X-direction driving motor (703).

7. The powder cleaning device suitable for large metal 3D printing equipment according to claim 1 is characterized in that: It also includes an X-direction guide mechanism (9), the X-direction guide mechanism (9) including an X-direction guide rail (901) fixed on the X-direction beam (3), and an X-direction slider (902) installed on the X-direction guide rail (901), and the moving seat (4) is fixedly connected to the Y-direction slider (802).

8. The powder cleaning device suitable for large metal 3D printing equipment according to claim 1, characterized in that: It also comprises two limit switches (11) arranged on the X-axis beam (3), the movable seat (4) moves between the two limit switches (11), and the limit switch (11) is communicatively connected with the control system.

9. The powder cleaning device suitable for large metal 3D printing equipment according to claim 1, characterized in that: It also comprises two anti-collision blocks (10) fixed on the X-direction beam (3), and the movable seat (4) moves between the two anti-collision blocks (10).

10. The powder cleaning device suitable for large metal 3D printing equipment according to claim 1, characterized in that: It also comprises a box body (12), wherein the support frame, the Y-axis beam (2), the X-axis beam (3), the movable seat (4), the Y-axis driving mechanism (6), the X-axis driving mechanism (7) and the powder cleaning actuator (5) are all located in the box body (12).

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