A 3D printed liftable platform for laser cladding

Abstract

The present invention discloses a liftable platform for 3D printing for laser cladding, which belongs to the technical field of 3D printing and comprises a base, wherein four corners of the top of the base are fixedly installed with sleeves, and the inner cavity of the sleeves is slidably connected with a first lifting rod and a second lifting rod respectively; the third gear drives the rotating rod to rotate, the rotating rod drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the first threaded rod to rotate, the first threaded rod drives the first lifting rod and the second lifting rod to move respectively, the first lifting rod and the second lifting rod drive the fixed block and the moving block to move respectively, the moving block drives the slide rail to move, the fixed block and the slide rail drive the lifting platform body to move, and the lifting and lowering adjustment is performed, and after the adjustment is completed, the first motor on one side of the top of the base is started again, and the first motor on the other side does not move, so that the angle of the lifting platform body can be adjusted, thereby increasing the practicality of the lifting platform body.

Description

Technical Field

[0001] The invention belongs to the technical field of 3D printing, and in particular relates to a liftable platform for 3D printing for laser cladding. 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, uses powdered metal or plastic and other bondable materials to construct objects by printing layer by layer. 3D printing is usually achieved using digital technology material printers. It is often used to make models in the fields of mold manufacturing and industrial design, and then gradually used for the direct manufacturing of some products. There are already parts printed using this technology. This technology has been used in jewelry, footwear, industrial design, architecture, engineering and construction, automobiles, aerospace, dental and medical industries, education, geographic information systems, civil engineering, firearms and other fields.

[0003] The lifting platform is a multifunctional lifting and loading and unloading mechanical equipment, which can be divided into fixed and mobile types: the mobile type is divided into straight arm type, curved arm type, scissors type, mast type, aluminum alloy lifting platform, cylinder type: the fixed type includes scissors type, guide rail lifting platform, chain lifting platform, loading and unloading platform and attached electric construction platform.

[0004] In order to enable 3D printing to complete the work better, a lifting platform is generally installed on the base of the 3D printing equipment. However, the existing lifting platform only performs a simple lifting function and cannot adjust the angle, which reduces the practicality of the lifting platform. Therefore, a lifting platform for 3D printing for laser cladding is provided. Summary of the invention

[0005] The object of the present invention is to provide a liftable platform for 3D printing for laser cladding, so as to solve the problem that the angle cannot be adjusted in the prior art mentioned in the above background technology.

[0006] To achieve the above object, the present invention adopts the following technical solutions:

[0007] A 3D printing liftable platform for laser cladding comprises a base, wherein four corners of the top of the base are fixedly mounted with sleeves, the inner cavity of the sleeves are slidably connected with a first lifting rod and a second lifting rod respectively, the tops of the first lifting rod and the second lifting rod both pass through the sleeves and extend to the outside of the sleeves, the bottom bearing of the inner cavity of the sleeves supports a first threaded rod, the tops of the first threaded rod respectively pass through the first lifting rod and the second lifting rod and extend to the inner cavities of the first lifting rod and the second lifting rod, and are respectively threadedly connected with the inner walls of the first lifting rod and the second lifting rod, a first gear is fixedly mounted on the bottom of the surface of the first threaded rod, a second gear is meshed on the surface of the first gear, a rotating rod is fixedly mounted on the back of the second gear, a third gear is fixedly mounted on the back of the rotating rod, a fourth gear is meshed on the surface of the third gear, a first motor is arranged on both sides of the top of the base and between the sleeves, and the output of the first motor The shaft is fixedly installed on the inner side of the fourth gear, and a lifting platform body is arranged above the base, and a lifting platform body is fixedly installed at the front and rear ends of one side of the bottom of the lifting platform body, and the bottom of the fixed block is hinged with the top of the first lifting rod, and the front and rear ends of the other side of the bottom of the lifting platform body are fixedly installed with a slide rail, and the bottom of the slide rail is slidably connected with a moving block, and the bottom of the moving block is hinged with the top of the second lifting rod, and a counterweight block is slidably connected with the bottom of the lifting platform body and located between the slide rail and the fixed block. A fixing plate is fixedly installed on one side of the bottom of the lifting platform body, and a second threaded rod is supported by a bearing on one side of the fixing plate, and a fifth gear is fixedly installed on one side of the second threaded rod, and a sixth gear is meshed on the surface of the fifth gear. A second motor is arranged on one side of the lifting platform body, and the output shaft of the second motor is fixedly installed on the top of the sixth gear.

[0008] Preferably, limit blocks are fixedly installed at the bottom of both sides of the first lifting rod and the second lifting rod, and a limit groove is opened in the inner cavity of the sleeve at a corresponding position of the limit block, and the surface of the limit block is slidably connected to the inner cavity of the limit groove.

[0009] Preferably, first sliders are fixedly mounted at both front and rear ends of the top of the moving block, a first slide groove is provided at the bottom of the slide rail at a position corresponding to the first slider, and the surface of the first slider is slidably connected to the inner cavity of the first slide groove.

[0010] Preferably, second sliders are fixedly installed at both front and rear ends of the top of the counterweight block, and a second slide groove is provided at the bottom of the lifting platform body at a position corresponding to the second slider, and the surface of the second slider is slidably connected to the inner cavity of the second slide groove.

[0011] Preferably, a protective box is fixedly installed on both sides of the top of the base and between the sleeves, and the rotating rod, the third gear and the fourth gear are all located in the inner cavity of the protective box.

[0012] Preferably, a first protective box is fixedly installed on both sides of the top of the base and between the protective boxes, the first motor is located in the inner cavity of the first protective box, and the outer side of the first protective box is in contact with the inner side of the protective box.

[0013] Preferably, a second protection box is fixedly installed on one side of the lifting platform body, and the second motor, the fifth gear and the sixth gear are all located in the inner cavity of the second protection box.

[0014] Preferably, a connecting block is sleeved on the surface of the rotating rod, and the top and bottom of the connecting block are fixedly mounted to the top and bottom of the inner cavity of the protection box.

[0015] Preferably, the surface of the second threaded rod is threadedly connected to the inner cavity of the counterweight block, and holes are equidistantly formed on four sides of the top of the base.

[0016] Technical effects and advantages of the present invention: Compared with the prior art, the present invention provides a 3D-printed liftable platform for laser cladding, which has the following advantages:

[0017] 1. The output shaft of the first motor drives the fourth gear to rotate, the fourth gear drives the third gear to rotate, the third gear drives the rotating rod to rotate, the rotating rod drives the second gear to rotate, the second gear drives the first gear to rotate, the first gear drives the first threaded rod to rotate, the first threaded rod drives the first lifting rod and the second lifting rod to move respectively, the first lifting rod and the second lifting rod drive the fixed block and the moving block to move respectively, the moving block drives the slide rail to move, the fixed block and the slide rail drive the lifting platform body to move, and the lifting and lowering adjustment is performed. After the adjustment is completed, the first motor on one side of the top of the base is started again, and the first motor on the other side does not move, so that the angle of the lifting platform body can be adjusted, which increases the practicality of the lifting platform body.

[0018] 2. When adjusting the angle of the lifting platform body, start the second motor at the same time, the output shaft of the second motor drives the sixth gear to rotate, the sixth gear drives the fifth gear to rotate, the fifth gear drives the second threaded rod to rotate, and the second threaded rod drives the counterweight to move, so as to adjust the center deviation of the lifting platform body caused by the angle adjustment, thereby increasing the stability of the lifting platform body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the present invention;

[0020] Figure 2 It is a right side cross-sectional structural schematic diagram of the present invention;

[0021] Figure 3 It is a schematic diagram of a top-view cross-sectional structure of the present invention;

[0022] Figure 4 It is a right view structural schematic diagram of the second sliding block of the present invention;

[0023] Figure 5 It is a schematic diagram of the right side cross-sectional structure of the slide rail of the present invention.

[0024] In the figure: 1. base; 2. sleeve; 3. first lifting rod; 4. second lifting rod; 5. first threaded rod; 6. first gear; 7. second gear; 8. rotating rod; 9. third gear; 10. fourth gear; 11. first motor; 12. lifting platform body; 13. fixed block; 14. slide rail; 15. moving block; 16. counterweight; 17. fixed plate; 18. second threaded rod; 19. fifth gear; 20. sixth gear; 21. second motor; 22. limit block; 23. first slider; 24. second slider; 25. protective box; 26. first protective box; 27. second protective box; 28. connecting block. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. The specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention. Based on the embodiments in the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0026] The present invention provides Figure 1-5A 3D-printed liftable platform for laser cladding shown in the figure comprises a base 1, a sleeve 2 is fixedly installed at the four corners of the top of the base 1, a first lifting rod 3 and a second lifting rod 4 are slidably connected to the inner cavity of the sleeve 2, the tops of the first lifting rod 3 and the second lifting rod 4 pass through the sleeve 2 and extend to the outside of the sleeve 2, a first threaded rod 5 is supported by a bearing at the bottom of the inner cavity of the sleeve 2, the tops of the first threaded rod 5 pass through the first lifting rod 3 and the second lifting rod 4 and extend to the inner cavities of the first lifting rod 3 and the second lifting rod 4 and are threadedly connected to the inner walls of the first lifting rod 3 and the second lifting rod 4, a first gear 6 is fixedly installed at the bottom of the surface of the first threaded rod 5, a second gear 7 is meshed with the surface of the first gear 6, and a rotating rod 8 is fixedly installed on the back of the second gear 7 A third gear 9 is fixedly installed on the back of the rotating rod 8, and a fourth gear 10 is meshed on the surface of the third gear 9. A first motor 11 is arranged on both sides of the top of the base 1 and between the sleeve 2. The output shaft of the first motor 11 is fixedly installed on the inner side of the fourth gear 10. A lifting platform body 12 is arranged above the base 1. Fixed blocks 13 are fixedly installed on the front and rear ends of one side of the bottom of the lifting platform body 12. The bottom of the fixed block 13 is hinged to the top of the first lifting rod 3. A slide rail 14 is fixedly installed on the front and rear ends of the other side of the bottom of the lifting platform body 12. A moving block 15 is slidably connected to the bottom of the slide rail 14. The bottom of the moving block 15 is hinged to the top of the second lifting rod 4. The bottom of the lifting platform body 12 and the sliding block 13 are located between the slide rail 14 and the fixed block 13. A counterweight block 16 is dynamically connected, a fixing plate 17 is fixedly installed on one side of the bottom of the lifting platform body 12, a second threaded rod 18 is supported by a bearing on one side of the fixing plate 17, one side of the second threaded rod 18 passes through the counterweight block 16 and extends to the outside of the counterweight block 16, and a fifth gear 19 is fixedly installed, and a sixth gear 20 is meshed on the surface of the fifth gear 19, and a second motor 21 is provided on one side of the lifting platform body 12, and the output shaft of the second motor 21 is fixedly installed on the top of the sixth gear 20, and the fourth gear 10 is driven to rotate by the output shaft of the first motor 11, and the fourth gear 10 drives and the third gear 9 to rotate, and the third gear 9 drives the rotating rod 8 to rotate, and the rotating rod 8 drives the second gear 7 to rotate, and the second gear 7 drives the first gear 6 to rotate, and the first gear 6 drives the third gear 9 to rotate. A threaded rod 5 rotates, and the first threaded rod 5 drives the first lifting rod 3 and the second lifting rod 4 to move respectively, and the first lifting rod 3 and the second lifting rod 4 drive the fixed block 13 and the moving block 15 to move respectively, and the moving block 15 drives the slide rail 14 to move, and the fixed block 13 and the slide rail 14 drive the lifting platform body 12 to move, and the lifting adjustment is performed. After the adjustment is completed, the first motor 11 on one side of the top of the base 1 is started again, and the first motor 11 on the other side does not move, so that the angle of the lifting platform body 12 can be adjusted, which increases the practicality of the lifting platform body 12. When the angle of the lifting platform body 12 is adjusted, the second motor 21 is started at the same time, and the output shaft of the second motor 21 drives the sixth gear 20 to rotate, and the sixth gear 20 drives the fifth gear 19 to rotate.The fifth gear 19 drives the second threaded rod 18 to rotate, and the second threaded rod 18 drives the counterweight 16 to move, so as to adjust the center deviation of the lifting platform body 12 caused by the angle adjustment, thereby increasing the stability of the lifting platform body 12.

[0027] Limiting blocks 22 are fixedly installed at the bottom of both sides of the first lifting rod 3 and the second lifting rod 4. A limiting groove is provided in the inner cavity of the sleeve 2 and at the corresponding position of the limiting block 22. The surface of the limiting block 22 is slidably connected with the inner cavity of the limiting groove, which can limit the first lifting rod 3 and the second lifting rod 4 to prevent the first threaded rod 5 from rotating and driving the first lifting rod 3 and the second lifting rod 4 to deviate, thereby affecting the normal movement of the first lifting rod 3 and the second lifting rod 4. The front and rear ends of the top of the moving block 15 are fixedly installed with a first sliding block 23. A first sliding groove is provided at the bottom of the slide rail 14 and at the corresponding position of the first sliding block 23. The surface of the first sliding block 23 is slidably connected with the inner cavity of the first sliding groove, which facilitates the moving block 15 to adjust the angle of the lifting platform body 12. The surface of the bottom of the slide rail 14 moves, and the front and rear ends of the top of the counterweight block 16 are fixedly installed with second sliders 24. A second slide groove is opened at the bottom of the lifting platform body 12 and at the corresponding position of the second slider 24. The surface of the second slider 24 is slidably connected with the inner cavity of the second slide groove, which can limit the counterweight block 16 to prevent the second threaded rod 18 from driving the counterweight block 16 to deviate during rotation, thereby affecting the normal movement of the counterweight block 16. Protective boxes 25 are fixedly installed on both sides of the top of the base 1 and between the sleeves 2. The rotating rod 8, the third gear 9 and the fourth gear 10 are all located in the inner cavity of the protective box 25, which can protect the rotating rod 8, the third gear 9 and the fourth gear 10 and prevent the rotating rod 8, the third gear 9 and the fourth gear 10 from being damaged by collision with foreign objects during work.

[0028] A first protective box 26 is fixedly installed on both sides of the top of the base 1 and between the protective boxes 25. The first motor 11 is located in the inner cavity of the first protective box 26. The outer side of the first protective box 26 fits with the inner side of the protective box 25, which can protect the first motor 11 and prevent the first motor 11 from being damaged by collision with other objects. A second protective box 27 is fixedly installed on one side of the lifting platform body 12. The second motor 21, the fifth gear 19 and the sixth gear 20 are all located in the inner cavity of the second protective box 27, which can protect the second motor 21, the fifth gear 19 and the sixth gear 20 and prevent the second motor 2 1. When the fifth gear 19 and the sixth gear 20 are working, if they are touched by other objects, the normal operation of the second motor 21, the fifth gear 19 and the sixth gear 20 will be affected. A connecting block 28 is sleeved on the surface of the rotating rod 8. The top and bottom of the connecting block 28 are fixedly installed to the top and bottom of the inner cavity of the protective box 25, which plays a supporting role and increases the stability of the rotating rod 8 during rotation. The surface of the second threaded rod 18 is threadedly connected to the inner cavity of the counterweight block 16, which is convenient for moving the counterweight block 16 through the second threaded rod 18. Holes are equidistantly provided on the four sides of the top of the base 1, which is convenient for fixing the base 1.

[0029] Working principle or structural principle: the first motor 11 and the second motor 21 are started through the external controller, the output shaft of the first motor 11 drives the fourth gear 10 to rotate, the fourth gear 10 drives and the third gear 9 to rotate, the third gear 9 drives the rotating rod 8 to rotate, the rotating rod 8 drives the second gear 7 to rotate, the second gear 7 drives the first gear 6 to rotate, the first gear 6 drives the first threaded rod 5 to rotate, because the first threaded rod 5 is threadedly connected with the first lifting rod 3 and the second lifting rod 4 respectively, the first threaded rod 5 drives the first lifting rod 3 and the second lifting rod 4 to move respectively, the first lifting rod 3 and the second lifting rod 4 respectively drive the fixed block 13 and the moving block 15 to move, the moving block 15 drives the slide rail 14 to move, the fixed block 13 and the slide rail 14 drive the lifting platform body 12 to move, and the lifting and lowering adjustment is completed. After the adjustment is completed, the first motor 11 is turned off. If the angle needs to be adjusted, During adjustment, the first motor 11 on one side of the top of the base 1 is started again, and the first motor 11 on the other side remains stationary. One side of the lifting platform body 12 is adjusted by the first motor 11 on one side of the top of the base 1, so that the angle of the lifting platform body 12 can be adjusted. When the angle of the lifting platform body 12 is adjusted, the second motor 21 is started at the same time, and the output shaft of the second motor 21 drives the sixth gear 20 to rotate, the sixth gear 20 drives the fifth gear 19 to rotate, and the fifth gear 19 drives the second threaded rod 18 to rotate. Because the second threaded rod 18 is threadedly connected to the counterweight 16, the second threaded rod 18 drives the counterweight 16 to move, and the center offset of the lifting platform body 12 caused by the angle adjustment is adjusted, thereby increasing the stability of the lifting platform body 12. At this point, the angle adjustment process of the entire lifting platform body 12 is completed.

[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, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to 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 3D printing liftable platform for laser cladding, comprising a base (1), characterized in that: The four corners of the top of the base (1) are fixedly mounted with sleeves (2), the inner cavity of the sleeve (2) is slidably connected with a first lifting rod (3) and a second lifting rod (4), the tops of the first lifting rod (3) and the second lifting rod (4) penetrate the sleeve (2) and extend to the outside of the sleeve (2), the bottom bearing of the inner cavity of the sleeve (2) supports a first threaded rod (5), the tops of the first threaded rod (5) penetrate the first lifting rod (3) and the second lifting rod (4) and extend to the inner cavities of the first lifting rod (3) and the second lifting rod (4), and are respectively connected to the first lifting rod (3) and the second lifting rod (4). The inner wall of the rod (4) is threadedly connected, a first gear (6) is fixedly installed at the bottom of the surface of the first threaded rod (5), a second gear (7) is meshed on the surface of the first gear (6), a rotating rod (8) is fixedly installed on the back of the second gear (7), a third gear (9) is fixedly installed on the back of the rotating rod (8), a fourth gear (10) is meshed on the surface of the third gear (9), a first motor (11) is arranged on both sides of the top of the base (1) and between the sleeves (2), an output shaft of the first motor (11) is fixedly installed on the inner side of the fourth gear (10), and the base ( A lifting platform body (12) is arranged above the lifting platform body (12), and a fixed block (13) is fixedly installed at both the front and rear ends of one side of the bottom of the lifting platform body (12), and the bottom of the fixed block (13) is hinged to the top of the first lifting rod (3), and a slide rail (14) is fixedly installed at both the front and rear ends of the other side of the bottom of the lifting platform body (12), and a moving block (15) is slidably connected to the bottom of the slide rail (14), and the bottom of the moving block (15) is hinged to the top of the second lifting rod (4), and the bottom of the lifting platform body (12) is located between the slide rail (14) and the fixed block (13). A counterweight (16) is dynamically connected to the lifting platform body (12); a fixing plate (17) is fixedly installed on one side of the bottom of the lifting platform body (12); a second threaded rod (18) is supported by a bearing on one side of the fixing plate (17); one side of the second threaded rod (18) passes through the counterweight (16) and extends to the outside of the counterweight (16) to be fixedly installed with a fifth gear (19); a sixth gear (20) is meshed on the surface of the fifth gear (19); a second motor (21) is provided on one side of the lifting platform body (12); an output shaft of the second motor (21) is fixedly installed on the top of the sixth gear (20).

2. The 3D printing liftable platform for laser cladding according to claim 1, characterized in that: Limiting blocks (22) are fixedly installed at the bottom of both sides of the first lifting rod (3) and the second lifting rod (4); a limiting groove is provided in the inner cavity of the sleeve (2) at a position corresponding to the limiting block (22); and the surface of the limiting block (22) is slidably connected to the inner cavity of the limiting groove.

3. The 3D printing liftable platform for laser cladding according to claim 1, characterized in that: A first sliding block (23) is fixedly mounted at both the front and rear ends of the top of the moving block (15); a first sliding groove is provided at the bottom of the slide rail (14) at a position corresponding to the first sliding block (23); and the surface of the first sliding block (23) is slidably connected to the inner cavity of the first sliding groove.

4. The 3D printing liftable platform for laser cladding according to claim 1, characterized in that: A second sliding block (24) is fixedly installed at both the front and rear ends of the top of the counterweight block (16), and a second sliding groove is provided at the bottom of the lifting platform body (12) at a position corresponding to the second sliding block (24), and the surface of the second sliding block (24) is slidably connected to the inner cavity of the second sliding groove.

5. The 3D printing liftable platform for laser cladding according to claim 1, characterized in that: A protective box (25) is fixedly installed on both sides of the top of the base (1) and between the sleeves (2), and the rotating rod (8), the third gear (9) and the fourth gear (10) are all located in the inner cavity of the protective box (25).

6. The 3D printing liftable platform for laser cladding according to claim 1, characterized in that: A first protective box (26) is fixedly installed on both sides of the top of the base (1) and between the protective boxes (25); the first motor (11) is located in the inner cavity of the first protective box (26); and the outer side of the first protective box (26) is in contact with the inner side of the protective box (25).

7. The 3D printing liftable platform for laser cladding according to claim 1, characterized in that: A second protection box (27) is fixedly mounted on one side of the lifting platform body (12); the second motor (21), the fifth gear (19) and the sixth gear (20) are all located in the inner cavity of the second protection box (27).

8. The 3D printing liftable platform for laser cladding according to claim 1, characterized in that: A connecting block (28) is sleeved on the surface of the rotating rod (8), and the top and bottom of the connecting block (28) are fixedly mounted to the top and bottom of the inner cavity of the protection box (25).

9. The 3D printing liftable platform for laser cladding according to claim 1, characterized in that: The surface of the second threaded rod (18) is threadedly connected to the inner cavity of the counterweight (16), and holes are equidistantly formed on the four sides of the top of the base (1).

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