A leveling device for a 3D printer base

Abstract

The application discloses a leveling device for a 3D printer base, and relates to the technical field of 3D printing. The leveling device comprises a base plate, arc-shaped grooves are formed in the four corners of the bottom of the base plate, a square frame is arranged on the top of the base plate, a right-angle groove is formed in the top of the square frame, a limiting plate is fixedly connected in the right-angle groove, the limiting plate is in the shape of a right angle, the inner and outer surfaces of the limiting plate are fixedly connected with the inner wall of the right-angle groove, a square plate is arranged above the base plate, and a fixing block is arranged on the upper end of the back of the base plate. The square block is used for supporting the T-shaped round rod to move upward under the traction of the connecting plate, at this time, the four corners of the bottom of the square plate are simultaneously subjected to the force of the semicircular plate and the sector plate, so that the four corners of the bottom of the square plate can be supported, and the problem that the square plate is inclined is further avoided because the semicircular plate and the sector plate are clamped in the arc-shaped grooves. When the hydraulic device drives the square plate to move to the lowest height, the inclined rod is used.

Description

Technical Field

[0001] This invention relates to the field of 3D printing, and more specifically to a leveling device for a 3D printer base. Background Technology

[0002] 3D printing is a rapid prototyping technology that has been used more and more widely in recent years, especially in the molding of irregular objects.

[0003] Because 3D printed products vary in shape and size, and symmetrical items are rare, uneven stress on the top surface of the printing base can lead to tilting of the printing base, requiring reprinting and severely impacting the printing progress. Even slight tilting can affect print quality. Furthermore, when the printed product is removed from the printing base, some material may remain on its surface, which, if not cleaned promptly, can affect subsequent printing operations. To improve the efficiency and product quality of 3D printing, we propose a leveling device for 3D printer bases. Summary of the Invention

[0004] To solve the above-mentioned technical problems, the present invention provides a leveling device for a 3D printer base, comprising:

[0005] The substrate has arc-shaped grooves at the four corners of its bottom, a square frame in contact with the top of the substrate, and a right-angled groove at the top of the square frame. A limiting plate is fixedly connected inside the right-angled groove, and the limiting plate is right-angled. The inner and outer surfaces of the limiting plate are fixedly connected to the inner wall of the right-angled groove. A square plate is provided on the top of the substrate, and a fixing block is provided on the upper back of the substrate.

[0006] The square frame includes a cross-shaped base plate, a hydraulic actuator, a cylindrical rod, a square block, a connecting block, a cross-shaped top plate, and an arc-shaped frame. The cross-shaped base plate is located on the top of the base plate and is fixedly connected to the inner surface of the square frame. The hydraulic actuator is fixedly installed on the top of the cross-shaped base plate. The cylindrical rod is located on the outside of the hydraulic actuator and its bottom is fixedly connected to the top of the cross-shaped base plate. The square block is fixedly connected to the top of the output end of the hydraulic actuator. The connecting block is fixedly installed on the top of the square block and is cylindrical in shape. The cross-shaped top plate is fixedly connected to the upper part of the outer surface of the connecting block. The arc-shaped frame is fixedly connected to the outer end of the cross-shaped top plate.

[0007] The bottom of the substrate is in contact with the top of the cross-shaped top plate, and an arc-shaped plate is fixedly connected to the bottom of the substrate. The outer surface of the arc-shaped plate is in contact with the inner surface of the arc-shaped frame.

[0008] Furthermore, a connecting plate is fixedly connected to the outer surface of the square block, and right-angle rods are fixedly connected to the upper and lower sides of the square block. The right-angle rods are connected to the connecting plate. A rotating rod is horizontally arranged on the outer side of the square block, and the left and right ends of the rotating rod are fixedly connected to the side of the connecting plate. A support rod is fixedly connected to the outer surface of the rotating rod. An opening is opened at the central axis of the support rod. A slider is arranged at the central axis of the opening. The slider is cylindrical. The outer surface of the slider is in contact with the inner wall of the opening. Arc rods are arranged on the left and right sides of the support rod. A connecting plate is fixedly installed at the lower end of the arc rod. The arc rod is fixedly connected to the square frame through the connecting plate. The bottom of the connecting plate is in contact with the top of the base plate. A circular opening is opened at the top of the arc rod. The inner surface of the circular opening is fixedly connected to the outer surface of the slider. An inclined rod is arranged directly below the support rod. The support rod is fixedly connected to the outer surface of the rotating rod. The left and right sides of the inclined rod are fixedly connected to the side of the arc rod, and the bottom of the inclined rod is in contact with the top of the base plate.

[0009] Furthermore, the limiting plate includes a circular block, a semi-circular plate, and a fan-shaped plate. The semi-circular plate is fixedly connected to the upper end of the outer surface of the circular block, and the fan-shaped plate is fixedly connected to the outer surface of the semi-circular plate. The side of the semi-circular plate away from the fan-shaped plate is fixedly connected to the inner surface of the limiting plate, and the top of the semi-circular plate is in contact with the top of the inner wall of the arc groove. The outer surface of the fan-shaped plate is in contact with the inner surface of the arc groove.

[0010] Furthermore, the circular block includes a sliding plate, a T-shaped rod, an annular block, an elastic plate, and a second rotating rod. The top of the circular block has a cylindrical groove, and the bottom of the sliding plate is in contact with the bottom of the inner wall of the cylindrical groove. The sliding plate is circular in shape, and its outer surface is in contact with the inner wall of the cylindrical groove. The T-shaped rod is located directly below the circular block, and its top is fixedly connected to the bottom of the sliding plate. The annular block is fixedly connected to the outer surface of the lower end of the T-shaped rod. The elastic plate is fixedly connected to the top of the annular block, and its top is in contact with the bottom of the circular block. The bottom of the T-shaped rod has a notch, and the second rotating rod is fixedly connected inside the notch.

[0011] Furthermore, the fixing block includes a support plate, a horizontal plate, a straight rod, and a cylinder. The front of the fixing block has an opening two. The bottom height of the inner wall of the opening two is the same as the top height of the square plate. The support plate is fixedly connected to the bottom of the fixing block. The horizontal plate is fixedly connected to the bottom of the support plate. The horizontal plate is fixedly connected to the top of the base plate through the straight rod. The cylinder is located on the back of the fixing block, and the bottom of the cylinder is fixedly connected to the top of the support plate.

[0012] The fixed block includes a trapezoidal block, a push plate, a triangular block, and a force-bearing rod. The trapezoidal block is slidably connected inside the second opening, and a groove is provided at the central axis of the front of the trapezoidal block. The push plate is located on the front of the trapezoidal block, and its four sides (top, bottom, left, and right) are in contact with the inner wall of the opening. The triangular block and the force-bearing rod are both fixedly connected to the back of the push plate. A spring is fixedly connected to the side of the triangular block away from the push plate, and the end of the spring away from the triangular block is fixedly connected to the inner wall of the groove. The upper and lower sides of the force-bearing rod are in contact with the inner wall of the groove, and the end of the force-bearing rod away from the push plate passes through the trapezoidal block and extends into the interior.

[0013] Furthermore, the trapezoidal block includes a connecting frame, a pneumatic actuator, a fixing rod, a vertical rod, and a multi-concave connecting plate. The connecting frame is located on the back of the trapezoidal block, and circular openings are provided on the left and right sides of the connecting frame. The connecting frame is connected to a cylinder via the pneumatic actuator. The outer surface of the pneumatic actuator is fixedly connected to the inner wall of the circular opening. The connecting frame is connected to the trapezoidal block via the fixing rod. A platform block is fixedly connected to the front of the pneumatic actuator. The vertical rod is fixedly connected to the upper and lower sides of the platform block. The end of the vertical rod away from the platform block is fixedly connected to the trapezoidal block. The inner surface of the multi-concave connecting plate is fixedly connected to the force-bearing rod.

[0014] The present invention has the following beneficial effects.

[0015] This invention utilizes a square frame. When the operator activates the hydraulic press, the square block moves upward under its push. The square plate, propelled by the connecting block and the cross-shaped top plate, gradually rises to a height suitable for operation. An arc-shaped frame confines the arc-shaped plate fixed to the bottom of the square plate to its inner side, thus limiting the position of the square plate and preventing wobbling during 3D printing that could affect product quality. It also eliminates the problem of the square plate tilting to one side due to gravity. The special shape of the cross-shaped top plate, with its large contact area with the square plate, effectively supports the weight of the square plate, significantly increasing its strength.

[0016] This invention utilizes a square block. The support rod, pulled by the connecting plate, causes the T-shaped rod to move upwards. At this point, the four corners of the square block's bottom are simultaneously supported by the forces of the semi-circular and fan-shaped plates, thus providing support to the four corners of the square block. Furthermore, since the semi-circular and fan-shaped plates are engaged within the arc-shaped groove, the problem of the square block tilting is further prevented. The elastic plate, due to its inherent elasticity, supports the circular block. However, because its elasticity is limited, when the square block is placed on top of the semi-circular plate, the elastic plate is under compression, achieving its supporting function. As the support rod gradually rises, the slider, influenced by gravity, causes the arc-shaped rod to move downwards along the opening. At this point, the increased force on the outer end of the support rod lowers the overall center of gravity, making the support for the square block more stable. Finally, through the diagonal rod, when the hydraulic device moves the square block to its lowest height, the lower end of the diagonal rod contacts the top of the base plate, thereby distributing and supporting the force on the arc-shaped rod.

[0017] This invention uses a fixing block, allowing the operator to directly remove the printed object along with the square plate after printing, and then replace it with a square plate without the printed object to continue working. This reduces the problem of material adhering to the top of the square plate when the printed object is detached. After the operator starts the cylinder, the trapezoidal block moves forward continuously under the push of the pneumatic rod. Then, the lower front end of the push plate contacts the top of the square plate, and the impurities remaining on the top of the square plate are removed by the push plate. When the push plate encounters more stubborn impurities, the push plate will transmit the reaction force received to the spring through the triangular block. The spring will be compressed after being stressed. When the spring is compressed to a certain extent, the spring will rebound and give the push plate the pushing force to remove the impurities. The force rod can limit the position of the push plate, and also indirectly allow the spring to apply most of the force to the push plate located in front when it expands, thus improving the cleaning effect of residues.

[0018] This invention utilizes a trapezoidal block. Due to its unique shape, the trapezoidal block can perform secondary cleaning of residues on top of the push plate, avoiding incomplete cleaning. The vertical rod increases the connection between the pneumatic push rod and the trapezoidal block, improving the fixing effect. The multi-concave connecting plate connects two pneumatic push rods together, keeping them on the same horizontal plane and preventing the trapezoidal block from tilting due to different forces during pushing. The fixing block stores the push plate when not in use, ensuring it does not interfere with 3D printing. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the overall structure of the square frame of the present invention;

[0021] Figure 3 This is a schematic diagram of the overall structure of the square block of the present invention;

[0022] Figure 4 This is a schematic diagram of the overall structure of the cylindrical rod of the present invention;

[0023] Figure 5 This is a schematic diagram of the overall structure of the circular block of the present invention;

[0024] Figure 6 This is a bottom view of the substrate of the present invention;

[0025] Figure 7 This is a schematic diagram of the overall structure of the fixing block of the present invention;

[0026] Figure 8 This is a schematic diagram of the overall structure of the cylinder of the present invention;

[0027] Figure 9 This is a schematic diagram of the internal structure of the square block of the present invention;

[0028] Figure 10 This is a schematic diagram of the internal structure of the trapezoidal block of the present invention.

[0029] 1. Base plate; 2. Square frame; 21. Cross base plate; 22. Hydraulic unit; 23. Cylindrical rod; 24. Square block; 241. Connecting plate; 242. Right-angle rod; 243. Support rod; 244. Slider; 245. Arc rod; 246. Connecting plate; 247. Diagonal rod; 25. Connecting block; 26. Cross top plate; 27. Arc frame; 3. Limiting plate; 31. Circular block; 311. Sliding plate; 312. T-shaped rod 313. Ring block; 314. Elastic plate; 315. Rotating rod II; 32. Semi-circular plate; 33. Fan-shaped plate; 4. Square plate; 5. Fixing block; 531. Trapezoidal block; 71. Connecting frame; 72. Pneumatic actuator; 73. Fixing rod; 74. Vertical rod; 75. Multi-concave connecting plate; 532. Push plate; 533. Triangular block; 534. Force-bearing rod; 51. Support plate; 52. Horizontal plate; 53. Straight rod; 54. Cylinder. Detailed Implementation

[0030] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the invention to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical application of the invention, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for a particular purpose.

[0031] Example 1

[0032] Please see Figures 1-6 This invention relates to a leveling device for a 3D printer base, comprising:

[0033] The substrate 1 has arc-shaped grooves at the four corners of its bottom. The top of the substrate 1 is in contact with a square frame 2, and the top of the square frame 2 has a right-angle groove. A limiting plate 3 is fixedly connected inside the right-angle groove, and the limiting plate 3 is right-angled. The inner and outer surfaces of the limiting plate 3 are fixedly connected to the inner wall of the right-angle groove. A square plate 4 is provided on the top of the substrate 1, and a fixing block 5 is provided on the upper back of the substrate 1.

[0034] The square frame 2 includes a cross-shaped base plate 21, a hydraulic actuator 22, a cylindrical rod 23, a square block 24, a connecting block 25, a cross-shaped top plate 26, and an arc-shaped frame 27. The cross-shaped base plate 21 is located on the top of the base plate 1 and is fixedly connected to the inner surface of the square frame 2. The hydraulic actuator 22 is fixedly installed on the top of the cross-shaped base plate 21. The cylindrical rod 23 is located on the outside of the hydraulic actuator 22, and its bottom is fixedly connected to the top of the cross-shaped base plate 21. The square block 24 is fixedly connected to the top of the output end of the hydraulic actuator 22. The connecting block 25 is fixedly installed on the top of the square block 24, and the shape of the connecting block 25 is... The cross-shaped top plate 26 is fixedly connected to the upper part of the outer surface of the connecting block 25. Due to the special shape of the cross-shaped top plate 26, it has a large contact area with the square plate 4, which can support the gravity of the square plate 4 and greatly increase the strength of the square plate 4. The arc frame 27 is fixedly connected to the outer end of the cross-shaped top plate 26. After the operator starts the hydraulic device 22 through the square frame 2, the square block 24 will move upward under its push. The square plate 4 will gradually rise to a height that is convenient for working under the push of the connecting block 25 and the cross-shaped top plate 26.

[0035] The bottom of the substrate 1 is in contact with the top of the cross-shaped top plate 26, and an arc-shaped plate is fixedly connected to the bottom of the substrate 1. The outer surface of the arc-shaped plate is in contact with the inner surface of the arc-shaped frame 27. Through the arc-shaped frame 27, the arc-shaped frame 27 can restrict the arc-shaped plate fixed to the bottom of the square plate 4 to its inner side, thereby limiting the position of the square plate 4 and preventing it from shaking during 3D printing, which would affect the product quality. At the same time, it also prevents the square plate 4 from tilting to one side due to gravity.

[0036] A connecting plate 241 is fixedly connected to the outer surface of a square block 24. Right-angle rods 242 are fixedly connected to the upper and lower sides of the square block 24, and the right-angle rods 242 are connected to the connecting plate 241. A rotating rod is horizontally arranged on the outer side of the square block 24, and the left and right ends of the rotating rod are fixedly connected to the side of the connecting plate 241. A support rod 243 is fixedly connected to the outer surface of the rotating rod. An opening is opened at the central axis of the support rod 243, and a slider 244 is arranged at the central axis of the opening. The slider 244 is cylindrical. Arc-shaped rods 245 are arranged on the left and right sides of the support rod 243, and the lower ends of the arc-shaped rods 245 are fixed. A connecting plate 246 is installed, and the arc-shaped rod 245 is fixedly connected to the square frame 2 through the connecting plate 246. A diagonal rod 247 is set directly below the support rod 243. Through the square block 24, the support rod 243 will drive the T-shaped round rod 312 to move upward under the traction of the connecting plate 241. At this time, the four bottom corners of the square plate 4 will be simultaneously subjected to the forces of the semi-circular plate 32 and the fan-shaped plate 33, which can support the four bottom corners of the square plate 4 respectively. At the same time, since the semi-circular plate 32 and the fan-shaped plate 33 are stuck inside the arc groove, the problem of the square plate 4 tilting is further prevented.

[0037] The left and right sides of the inclined rod 247 are fixedly connected to the sides of the arc rod 245, and the bottom of the inclined rod 247 is in contact with the top of the base plate 1. When the hydraulic device 22 drives the square plate 4 to move to the lowest height, the lower end of the inclined rod 247 will contact the top of the base plate 1, thereby distributing and supporting the force on the arc rod 245.

[0038] The slider 244 is cylindrical in shape, and its outer surface is in contact with the inner wall of the opening. The top of the arc rod 245 has a circular opening, and the inner surface of the circular opening is fixedly connected to the outer surface of the slider 244. The bottom of the connecting plate 246 is in contact with the top of the base plate 1. As the support rod 243 gradually rises, the slider 244 will be affected by gravity and drive the arc rod 245 to move downward along the opening. At this time, the force on the outer end of the support rod 243 increases, causing the overall center of gravity to shift downward, which will make the support of the square plate 4 more stable.

[0039] The limiting plate 3 includes a circular block 31, a semi-circular plate 32 and a sector plate 33. The semi-circular plate 32 is fixedly connected to the upper end of the outer surface of the circular block 31, and the sector plate 33 is fixedly connected to the outer surface of the semi-circular plate 32. The outer surface of the sector plate 33 is in contact with the inner surface of the arc groove.

[0040] The side of the semicircular plate 32 away from the fan-shaped plate 33 is fixedly connected to the inner surface of the limiting plate 3, and the top of the semicircular plate 32 is in contact with the top of the inner wall of the arc groove.

[0041] The circular block 31 includes a sliding plate 311, a T-shaped rod 312, an annular block 313, an elastic plate 314, and a rotating rod 315. The top of the circular block 31 has a cylindrical groove, and the bottom of the sliding plate 311 is in contact with the bottom of the inner wall of the cylindrical groove. The T-shaped rod 312 is located directly below the circular block 31, and the top of the T-shaped rod 312 is fixedly connected to the bottom of the sliding plate 311. The annular block 313 is fixedly connected to the outer surface of the lower end of the T-shaped rod 312. The elastic plate 314 is fixedly connected to the top of the annular block 313, and the top of the elastic plate 314 is connected to the bottom of the circular block 31. The bottom of the T-shaped rod 312 has a notch, and the rotating rod 315 is fixedly connected inside the notch. Through the elastic plate 314, due to its own elasticity, it can support the circular block 31. However, due to its limited elasticity, when the square plate 4 is placed on top of the semi-circular plate 32, the elastic plate 314 will be under compression, thus achieving the function of force support.

[0042] The support rod 243 is fixedly connected to the outer surface of the rotating rod 315. The sliding plate 311 is circular in shape, and the outer surface of the sliding plate 311 is in contact with the inner wall of the cylindrical groove.

[0043] Example 2

[0044] Distinguishing features from Example 1;

[0045] Please see Figures 7-10 This invention relates to a leveling device for a 3D printer base, comprising:

[0046] The fixing block 5 includes a support plate 51, a horizontal plate 52, a straight rod 53, and a cylinder 54. The support plate 51 is fixedly connected to the bottom of the fixing block 5, and the horizontal plate 52 is fixedly connected to the bottom of the support plate 51. The horizontal plate 52 is fixedly connected to the top of the base plate 1 through the straight rod 53. The cylinder 54 is located on the back of the fixing block 5, and the bottom of the cylinder 54 is fixedly connected to the top of the support plate 51. With the fixing block 5, after printing is completed, the operator can directly remove the printed object along with the square plate 4, and then replace it with a square plate 4 that does not support the printed object to work again, which reduces the problem of material adhering to the top of the square plate 4 when the printed object is separated from it.

[0047] The fixing block 5 has an opening 2 on its front side. The bottom height of the inner wall of the opening 2 is the same as the top height of the square plate 4. When not in use, the push plate 532 can be stored inside the fixing block 5 so that it will not affect the 3D printing work.

[0048] The fixed block 5 includes a trapezoidal block 531, a push plate 532, a triangular block 533 and a force rod 534. The trapezoidal block 531 is slidably connected inside the second opening, and a groove is provided at the central axis of the front of the trapezoidal block 531. The push plate 532 is set on the front of the trapezoidal block 531, and the triangular block 533 and the force rod 534 are fixedly connected to the back of the push plate 532.

[0049] The push plate 532 contacts the inner wall of the opening on all four sides. After the operator starts the cylinder 54, the trapezoidal block 531 moves forward continuously under the push of the pneumatic rod 72. Then the lower front end of the push plate 532 contacts the top of the square plate 4. The impurities remaining on the top of the square plate 4 will be removed by the push plate 532. When the push plate 532 encounters more stubborn impurities, the push plate 532 will transmit the reaction force it receives to the spring through the triangular block 533. The spring will be compressed after being stressed. When the spring is compressed to a certain extent, the spring will rebound and give the push plate 532 the pushing force to remove the impurities.

[0050] A spring is fixedly connected to the side of the triangular block 533 away from the push plate 532, and the end of the spring away from the triangular block 533 is fixedly connected to the inner wall of the groove. The end of the force rod 534 away from the push plate 532 passes through the trapezoidal block 531 and extends into the interior. Through the force rod 534, the position of the push plate 532 is limited, and the spring can also apply most of the force to the push plate 532 located in front when it expands, thus improving the cleaning effect of residue.

[0051] The upper and lower sides of the force-bearing rod 534 are in contact with the inner wall of the groove.

[0052] The trapezoidal block 531 includes a connecting frame 71, a pneumatic push rod 72, a fixing rod 73, a vertical rod 74, and a multi-concave connecting plate 75. The connecting frame 71 is located on the back of the trapezoidal block 531, and has round openings on the left and right sides. The outer surface of the pneumatic push rod 72 is fixedly connected to the inner wall of the round opening. The connecting frame 71 is connected to the trapezoidal block 531 through the fixing rod 73. A platform block is fixedly connected to the front of the pneumatic push rod 72, and the vertical rod 74 is fixedly connected to the upper and lower sides of the platform block. The inner surface of the multi-concave connecting plate 75 is fixedly connected to the force-bearing rod 534. Through the multi-concave connecting plate 75, two pneumatic push rods 72 can be connected together to make them on the same horizontal plane, avoiding the problem of the trapezoidal block 531 tilting due to different forces when it is pushed. Through the trapezoidal block 531, due to its special shape, it can perform secondary cleaning of residues on the basis of the push plate 532, avoiding the problem of incomplete cleaning.

[0053] The connecting frame 71 is connected to the cylinder 54 via the pneumatic push rod 72. The end of the vertical rod 74 away from the platform block is fixedly connected to the trapezoidal block 531. The vertical rod 74 can increase the connection between the pneumatic push rod 72 and the trapezoidal block 531 and improve the fixing effect with the trapezoidal block 531.

[0054] A specific application of this embodiment is as follows: After the operator starts the hydraulic device 22, the square block 24 will move upward under its push. The square plate 4 will gradually rise to a height that is convenient for working under the push of the connecting block 25 and the cross top plate 26. Through the arc frame 27, the arc plate fixed at the bottom of the square plate 4 can be restricted to its inner side, thereby limiting the position of the square plate 4 and avoiding shaking during 3D printing, which would affect the product quality. At the same time, it prevents the square plate 4 from tilting to one side due to gravity. Relying on the special shape setting of the cross top plate 26, due to the large contact area between itself and the square plate 4, it can support the gravity of the square plate 4, greatly increasing the strength of the square plate 4.

[0055] Under the traction of the connecting plate 241, the support rod 243 will drive the T-shaped round rod 312 to move upward. At this time, the four corners of the bottom of the square plate 4 will be simultaneously subjected to the forces of the semi-circular plate 32 and the fan-shaped plate 33, which can support the four corners of the bottom of the square plate 4 respectively. At the same time, since the semi-circular plate 32 and the fan-shaped plate 33 are stuck inside the arc groove, the problem of the square plate 4 tilting is further eliminated. Through the elastic plate 314, due to its own elasticity, it can support the round block 31. However, due to its limited elasticity, when the square plate 4 is placed on top of the semi-circular plate 32, the elastic plate 314 will be under compression, achieving the function of force support. As the support rod 243 gradually rises, the slider 244 will be affected by gravity and drive the arc rod 245 to move downward along the opening. At this time, the force intensity of the outer end of the support rod 243 increases, causing the overall center of gravity to shift downward, making the support of the square plate 4 more stable.

[0056] After printing is complete, the operator can directly remove the printed object along with the square plate 4, and then replace it with a square plate 4 without the printed object to continue working. This reduces the problem of material adhering to the top of the square plate 4 when the printed object is separated from it. After the operator starts the cylinder 54, the trapezoidal block 531 moves forward continuously under the push of the pneumatic rod 72. Then the lower front end of the push plate 532 will contact the top of the square plate 4, and the impurities remaining on the top of the square plate 4 will be removed by the push plate 532. When the push plate 532 encounters more stubborn impurities, the push plate 532 will transmit the reaction force it receives to the spring through the triangular block 533. The spring will be compressed after being stressed. When the spring is compressed to a certain extent, the spring will rebound and give the push plate 532 the pushing force to remove the impurities.

[0057] Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of the present invention without inventive effort should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A leveling device for a 3D printer base, characterized in that, Include: The substrate (1) top contact with a square frame (2), and square frame (2) top opening has a right angle slot, the right angle slot inside fixedly connected with the limiting plate (3), and the limiting plate (3) is right angle, the limiting plate (3) inner and outer surface and right angle slot inner wall fixedly connected, the substrate (1) is provided with square plate (4) directly above, the square plate (4) bottom four corners are provided with arc slot, the square plate (4) back upper end is provided with fixed block (5); The square frame (2) includes cross bottom plate (21), hydraulic device (22), cylindrical rod (23), square block (24), connecting block (25), cross top plate (26) and arc frame (27), the cross bottom plate (21) is arranged on the top of the substrate (1), and the cross bottom plate (21) is fixedly connected with the inner surface of the square frame (2), the hydraulic device (22) is fixedly installed on the top of the cross bottom plate (21), the cylindrical rod (23) is arranged on the outer side of the hydraulic device (22), and the bottom of the cylindrical rod (23) is fixedly connected with the top of the cross bottom plate (21), the square block (24) is fixedly connected on the top of the output end of the hydraulic device (22), the connecting block (25) is fixedly installed on the top of the square block (24), and the connecting block (25) is cylindrical, the cross top plate (26) is fixedly connected on the outer surface of the connecting block (25) upper end, the arc frame (27) is fixedly connected on the outer end of the cross top plate (26). The bottom of the square plate (4) is in contact with the top of the cross top plate (26), and the bottom of the square plate (4) is fixedly connected with an arc plate, and the outer surface of the arc plate is in contact with the inner surface of the arc frame (27).

2. The leveling device for a 3D printer base station of claim 1, wherein: The outer surface of the square block (24) is fixedly connected with the connecting plate (241), the square block (24) is fixedly connected with the right angle rod (242) on the upper and lower sides, the right angle rod (242) is connected with the connecting plate (241), the square block (24) is provided with a rotating rod I laterally outside, and the left and right ends of the rotating rod I are fixedly connected with the side surface of the connecting plate (241), the outer surface of the rotating rod I is fixedly connected with the supporting rod (243), the opening I is provided on the central axis of the supporting rod (243), the sliding block (244) is provided on the central axis of the opening I, and the sliding block (244) is cylindrical, the arc-shaped rod (245) is provided on the left and right sides of the supporting rod (243), the joint plate (246) is fixedly installed on the lower end of the arc-shaped rod (245), and the arc-shaped rod (245) is fixedly connected with the square frame (2) through the joint plate (246), the inclined rod (247) is provided below the supporting rod (243). The left and right sides of the inclined rod (247) are fixedly connected with the side surface of the arc-shaped rod (245), and the bottom of the inclined rod (247) is in contact with the top of the substrate (1).

3. The leveling device for a 3D printer base station of claim 2, wherein: The sliding block (244) is cylindrical, the outer surface of the sliding block (244) is in contact with the inner wall of the opening I, the arc-shaped rod (245) is provided with a circular port at the top end, the inner surface of the circular port is fixedly connected with the outer surface of the sliding block (244), and the bottom of the joint plate (246) is in contact with the top of the substrate (1).

4. The leveling device for a 3D printer base station of claim 3, wherein: The limiting plate (3) comprises a circular block (31), a semicircular plate (32) and a sector plate (33), the semicircular plate (32) is fixedly connected to the outer surface of the upper end of the circular block (31), and the sector plate (33) is fixedly connected to the outer surface of the semicircular plate (32). The semicircular plate (32) is fixedly connected to the inner surface of the limiting plate (3) away from the sector plate (33), and the top of the semicircular plate (32) is in contact with the inner wall of the arc-shaped groove.

5. The leveling device for a 3D printer base station of claim 4, wherein: The circular block (31) comprises a sliding plate (311), a T-shaped circular rod (312), an annular block (313), an elastic plate (314) and a rotating rod (315), a cylindrical groove is formed in the top of the circular block (31), the bottom of the sliding plate (311) is in contact with the bottom of the inner wall of the cylindrical groove, the T-shaped circular rod (312) is arranged below the circular block (31), the top of the T-shaped circular rod (312) is fixedly connected to the bottom of the sliding plate (311), the annular block (313) is fixedly connected to the outer surface of the lower end of the T-shaped circular rod (312), the elastic plate (314) is fixedly connected to the top of the annular block (313), the top of the elastic plate (314) is fixedly connected to the bottom of the circular block (31), and the bottom of the T-shaped circular rod (312) is provided with a notch, and the rotating rod (315) is fixedly connected to the inside of the notch. The support rod (243) is fixedly connected to the outer surface of the rotating rod (315), and the sliding plate (311) is circular in shape and in contact with the inner wall of the cylindrical groove.

6. The leveling device for a 3D printer base platform according to claim 1, wherein: The fixed block (5) comprises a support plate (51), a horizontal plate (52), a straight rod (53) and a gas cylinder (54), the support plate (51) is fixedly connected to the bottom of the fixed block (5), the horizontal plate (52) is fixedly connected to the bottom of the support plate (51), the horizontal plate (52) is fixedly connected to the top of the base plate (1) through the straight rod (53), and the gas cylinder (54) is arranged on the back of the fixed block (5) and fixedly connected to the top of the support plate (51). The front of the fixed block (5) is provided with an opening two, and the height of the bottom of the inner wall of the opening two is the same as the height of the top of the square plate (4).

7. The leveling device for a 3D printer base station of claim 6, wherein: The inside of the fixed block (5) comprises a trapezoidal block (531), a push plate (532), a triangular block (533) and a stress rod (534), the trapezoidal block (531) is slidingly connected to the inside of the opening two, a groove is formed in the front of the trapezoidal block (531), the push plate (532) is arranged on the front of the trapezoidal block (531), and the triangular block (533) and the stress rod (534) are fixedly connected to the back of the push plate (532). The push plate (532) is in contact with the inner wall of the opening on the four sides of the push plate (532).

8. The leveling device for a 3D printer base station of claim 7, wherein: The triangular block (533) is fixedly connected with a spring away from the push plate (532), one end of the spring away from the triangular block (533) is fixedly connected with the inner wall of the groove, and one end of the stress rod (534) away from the push plate (532) penetrates through the trapezoidal block (531) and extends to the inside. The force receiving rod (534) is in contact with the inner wall of the groove on both sides.

9. The leveling device for a 3D printer base station of claim 8, wherein: The trapezoidal block (531) comprises a connecting frame (71), a gas push rod (72), a fixing rod (73), a vertical rod (74) and a multi-recessed connecting plate (75), the connecting frame (71) is arranged on the back of the trapezoidal block (531), circular openings are formed on the left and right sides of the connecting frame (71), the outer surface of the gas push rod (72) is fixedly connected with the inner wall of the circular opening, the connecting frame (71) is connected with the trapezoidal block (531) through the fixing rod (73), the front surface of the gas push rod (72) is fixedly connected with a platform block, the vertical rod (74) is fixedly connected with the inner wall of the platform block, and the inner surface of the multi-recessed connecting plate (75) is fixedly connected with the force receiving rod (534). The connecting frame (71) is connected with the gas cylinder (54) through the gas push rod (72), and one end of the vertical rod (74) away from the platform block is fixedly connected with the trapezoidal block (531).

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