Cantilever lifting transplanting fork

Abstract

The cantilever lifting transplanting fork comprises a moving frame, a first translation assembly, a second translation assembly and a lifting assembly, the first translation assembly drives the moving frame to slide in the first horizontal direction, and the second translation assembly drives the moving frame and the first translation assembly to slide together in the second horizontal direction. A cantilever is arranged above the movable frame in a lifting mode, the lifting assembly comprises a lifting air cylinder, the lifting air cylinder is arranged in the movable frame, a piston rod of the lifting air cylinder penetrates out of the movable frame and is fixedly connected with a top plate of the cantilever, the bottom face of the cantilever is fixedly connected with a guide rod, and guide cylinders are arranged on the movable frame and located at the four corners of the top plate of the movable frame. The guide rod penetrates into the guide cylinder and is in sliding connection with the guide cylinder; a pallet fork is fixedly connected to the end, away from the movable frame, of the cantilever, a positioning pin is arranged on the top face of the pallet fork, a positioning hole used in cooperation with the positioning pin is formed in the workpiece, and the positioning pin penetrates into the positioning hole. The moving range of the workpiece is widened, and the moving stability of the workpiece is improved.

Description

Technical Field

[0001] The utility model relates to the field of mobile mechanisms, in particular to a cantilever lifting transplanting fork. Background Art

[0002] The transporting mechanism is used to transport the workpiece. The transporting mechanism includes a mobile frame and a fork. The fork is fixed on the mobile frame, and the workpiece is placed on the fork. The mobile frame can move laterally to move the workpiece to the specified position.

[0003] With respect to the above-mentioned related technologies, the inventors believe that the range of movement of the workpiece is small, and there is a risk of the workpiece falling when it is placed directly on the fork, and the stability of the workpiece movement needs to be improved. Utility Model Content

[0004] In order to solve the above technical problems, the present application provides a cantilever lifting transplanting fork.

[0005] The cantilever lifting transplanting fork provided in this application adopts the following technical solution:

[0006] The lifting mechanism is a kind of cantilever lifting transplanting fork, comprises a mobile frame, a first translation assembly, a second translation assembly, and a lifting assembly, wherein the first translation assembly drives the mobile frame to slide along the first horizontal direction, and the second translation assembly drives the mobile frame and the first translation assembly to slide along the second horizontal direction together, a cantilever is arranged above the mobile frame, and the mobile frame is in a "mouth" shape, and the lifting assembly comprises a lifting cylinder, the lifting cylinder is arranged inside the mobile frame, the piston rod of the lifting cylinder passes through the top plate of the mobile frame and is fixedly connected to the top plate of the cantilever, the bottom surface of the cantilever is fixedly connected to a guide rod, and a guide cylinder is provided on the mobile frame, the guide cylinder is located at the four corners of the top plate of the mobile frame, and the guide rod passes through the guide cylinder and is slidably connected to the guide cylinder;

[0007] One end of the cantilever away from the mobile frame is fixedly connected with a fork, a top surface of the fork is provided with a positioning pin, a positioning hole used in conjunction with the positioning pin is opened on the workpiece, and the positioning pin penetrates into the positioning hole.

[0008] Preferably, the first translation assembly includes a base plate, a first motor, a lead screw, and a slider. The first motor is mounted on the base plate, the output shaft of the first motor is coaxially connected to the lead screw, the slider is fixedly connected to the bottom surface of the movable frame, the lead screw passes through the slider and is threadedly connected to the slider, the end of the lead screw away from the first motor is rotatably connected to the base plate through a bearing seat, and a limit assembly for limiting the rotation of the slider is provided on the bottom surface of the movable frame.

[0009] Preferably, the limiting assembly includes a first guide block and a first guide rail, the first guide block is fixedly connected to the bottom surface of the movable frame, the first guide block is located on both sides of the slider, the first guide rail is fixedly connected to the top surface of the base plate, the length direction of the first guide rail is consistent with the first horizontal direction, and the bottom surface of the first guide block is provided with a first guide groove for the first guide rail to pass through, and the first guide rail slides in the first guide groove.

[0010] Preferably, a limit seat is provided on the top surface of the base plate, and the limit seat is provided at one end in the length direction of the base plate. When the base plate of the movable frame contacts a side of the limit seat close to the movable frame, the first motor stops rotating.

[0011] Preferably, the second translation assembly includes a second motor, an angular reducer, a gear, a rack, a second guide block, and a second guide rail. The second motor is fixed to the base plate, and the second motor is connected to the gear through the angular reducer. The central axis of the gear is vertically arranged, and the rotating shaft of the gear is rotatably connected to the bottom surface of the base plate. A conveying platform is provided under the base plate, and the base plate moves along the second horizontal direction on the conveying platform. The rack is fixedly connected to the conveying platform, and the rack is meshed with the gear. The second guide block is fixedly connected to the bottom surface of the base plate, and the second guide rail is fixedly connected to the top surface of the conveying platform. The length direction of the second guide rail is consistent with the second horizontal direction. The second guide blocks are arranged at both ends of the length direction of the base plate. The bottom surface of the second guide block is provided with a second guide groove for the second guide rail to pass through, and the second guide rail slides in the second guide groove.

[0012] Preferably, the gear is a helical gear, the rack is a helical rack, and the helical gear and the helical rack are used in conjunction with each other.

[0013] Preferably, the bottom surface of the fork is provided with a reinforcing rib, and the reinforcing rib extends from the end of the fork farthest from the cantilever to below the cantilever.

[0014] Preferably, the first horizontal direction and the second horizontal direction are perpendicular.

[0015] In summary, this application includes at least one of the following beneficial technical effects:

[0016] 1. Through the first translation assembly, the second translation assembly, and the lifting assembly, the movable frame has three movable directions, thereby increasing the range of the workpiece to be moved;

[0017] 2. The coordination between the guide rod and the guide cylinder improves the stability of the cantilever lifting;

[0018] 3. The coordination between the positioning pin and the workpiece positioning hole improves the stability of the workpiece on the cantilever and reduces the risk of the workpiece falling. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the overall structure of a cantilever lifting transplanting fork in an embodiment of the present application.

[0020] Figure 2 It is a structural schematic diagram for displaying the slider in the embodiment of the present application.

[0021] Figure 3 It is a structural schematic diagram used to illustrate the second guide block in an embodiment of the present application.

[0022] Explanation of the accompanying drawings: 1. Moving frame; 2. First translation assembly; 21. Base plate; 22. First motor; 23. Screw; 24. Slider; 25. Bearing seat; 26. First guide block; 261. First guide groove; 27. First guide rail; 3. Second translation assembly; 31. Second motor; 32. Corner reducer; 33. Gear; 34. Second guide block; 341. Second guide groove; 4. Lifting assembly; 41. Lifting cylinder; 42. Guide rod; 43. Guide cylinder; 5. Limit seat; 6. Cantilever; 7. Fork; 71. Locating pin; 72. Support column; 8. Reinforcement rib. DETAILED DESCRIPTION

[0023] The following is combined with Figure 1-3 This application is described in further detail.

[0024] The embodiment of the present application discloses a cantilever lifting transplanting fork.

[0025] Reference Figure 1-3 The cantilever lifting transplanting fork includes a mobile frame 1, a first translation assembly 2, a second translation assembly 3, and a lifting assembly 4. The first translation assembly 2 drives the mobile frame 1 to slide along a first horizontal direction, and the second translation assembly 3 drives the mobile frame 1 and the first translation assembly 2 to slide together along a second horizontal direction. The first horizontal direction is perpendicular to the second horizontal direction.

[0026] The first translation assembly 2 includes a base plate 21, a first motor 22, a lead screw 23, and a slider 24. The first motor 22 is installed on the base plate 21. The output shaft of the first motor 22 is coaxially connected to the lead screw 23. The slider 24 is fixedly connected to the bottom surface of the mobile frame 1. The lead screw 23 passes through the slider 24 and is threadedly connected to the slider 24. The end of the lead screw 23 away from the first motor 22 is rotatably connected to the base plate 21 through a bearing seat 25. A limit assembly for limiting the rotation of the slider 24 is provided on the bottom surface of the mobile frame 1.

[0027] The limiting assembly includes a first guide block 26 and a first guide rail 27. The first guide block 26 is fixedly connected to the bottom surface of the mobile frame 1. The first guide block 26 is located on both sides of the slider 24. The first guide rail 27 is fixedly connected to the top surface of the base plate 21. The length direction of the first guide rail 27 is consistent with the first horizontal direction. The bottom surface of the first guide block 26 is provided with a first guide groove 261 for the first guide rail 27 to pass through. The first guide rail 27 slides in the first guide groove 261 to improve the stability of the mobile frame 1 moving along the first horizontal direction.

[0028] A limit seat 5 is provided on the top surface of the base plate 21, and the limit seat 5 is provided at one end of the length direction of the base plate 21. When the base plate 21 of the mobile frame 1 contacts the side of the limit seat 5 close to the mobile frame 1, the first motor 22 stops rotating to prevent the mobile frame 1 from overtravel.

[0029] The second translation assembly 3 includes a second motor 31, an angular reducer 32, a gear 33, a rack, a second guide block 34, and a second guide rail. The second motor 31 is fixed to the base plate 21 and is connected to the gear 33 via the angular reducer 32. The central axis of the gear 33 is vertically arranged, and the rotation axis of the gear 33 is rotatably connected to the bottom surface of the base plate 21. A conveying platform is provided below the base plate 21, and the base plate 21 moves along the second horizontal direction on the conveying platform. The rack is fixedly connected to the conveying platform and meshes with the gear 33. The second guide block 34 is fixedly connected to the bottom surface of the base plate 21, and the second guide rail is fixedly connected to the top surface of the conveying platform. The length direction of the second guide rail is consistent with the second horizontal direction. The second guide blocks 34 are provided at both ends of the length direction of the base plate 21. The bottom surface of the second guide block 34 is provided with a second guide slot 341 for the second guide rail to pass through. The second guide rail slides in the second guide slot 341, thereby improving the stability of the movable frame 1 and the first translation assembly 2 moving together along the second horizontal direction.

[0030] The second motor 31 drives the gear 33 to rotate through the angle reducer 32. When the gear 33 rotates, under the restriction of the second guide block 34 and the second guide rail, the gear 33 drives the base plate 21 to move along the second horizontal direction.

[0031] The gear 33 is a helical gear 33 , and the rack is a helical rack. The helical gear 33 and the helical rack are used in conjunction with each other to improve the stability of the transmission between the gear 33 and the rack.

[0032] A cantilever 6 is provided above the mobile frame 1 for lifting. The mobile frame 1 is in a "mouth" shape. The lifting component 4 includes a lifting cylinder 41. The lifting cylinder 41 is arranged inside the mobile frame 1 and fixed on the inner bottom wall of the mobile frame 1. The piston rod of the lifting cylinder 41 passes through the top plate of the mobile frame 1 and is fixedly connected to the top plate of the cantilever 6. The bottom surface of the cantilever 6 is fixedly connected with a guide rod 42. A guide cylinder 43 is provided on the mobile frame 1. The guide cylinder 43 is located at the four corners of the top plate of the mobile frame 1. The guide rod 42 passes through the guide cylinder 43 and is slidably connected to the guide cylinder 43 to improve the stability of the lifting and lowering of the cantilever 6.

[0033] The end of the cantilever 6 away from the mobile frame 1 is fixedly connected to the fork 7, and a positioning pin 71 and a support column 72 are provided on the top surface of the fork 7. The height of the positioning pin 71 is greater than the height of the support column 72. A positioning hole for use with the positioning pin 71 is opened on the workpiece. The positioning pin 71 is inserted into the positioning hole, and the bottom surface of the workpiece abuts against the top surface of the support column 72. The cooperation between the positioning pin 71 and the workpiece positioning hole improves the stability of the workpiece on the cantilever 6 and reduces the risk of the workpiece falling.

[0034] The bottom surface of the fork 7 is provided with a reinforcing rib 8 , which extends from the end of the fork 7 farthest from the cantilever 6 to the bottom of the cantilever 6 , thereby improving the structural strength of the connection between the fork 7 and the cantilever 6 .

[0035] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. A cantilever lifting transplanting fork, characterized by: The invention comprises a moving frame (1), a first translation assembly (2), a second translation assembly (3), and a lifting assembly (4); the first translation assembly (2) drives the moving frame (1) to slide along a first horizontal direction; the second translation assembly (3) drives the moving frame (1) and the first translation assembly (2) to slide together along a second horizontal direction; a cantilever (6) is provided above the moving frame (1); the moving frame (1) is in a "mouth" shape; the lifting assembly (4) comprises a lifting cylinder (41); The lifting cylinder (41) is arranged inside the mobile frame (1), the piston rod of the lifting cylinder (41) passes through the top plate of the mobile frame (1) and is fixedly connected to the top plate of the cantilever (6), the bottom surface of the cantilever (6) is fixedly connected with a guide rod (42), the mobile frame (1) is provided with a guide cylinder (43), the guide cylinder (43) is located at the four corners of the top plate of the mobile frame (1), the guide rod (42) passes through the guide cylinder (43) and is slidably connected to the guide cylinder (43); One end of the cantilever (6) away from the mobile frame (1) is fixedly connected to a fork (7), a positioning pin (71) is provided on the top surface of the fork (7), a positioning hole for use with the positioning pin (71) is opened on the workpiece, and the positioning pin (71) is inserted into the positioning hole.

2. The cantilever lifting transplanting fork according to claim 1, characterized in that: The first translation assembly (2) comprises a base plate (21), a first motor (22), a lead screw (23), and a slider (24); the first motor (22) is mounted on the base plate (21); the output shaft of the first motor (22) is coaxially connected to the lead screw (23); the slider (24) is fixedly connected to the bottom surface of the movable frame (1); the lead screw (23) passes through the slider (24) and is threadedly connected to the slider (24); the end of the lead screw (23) away from the first motor (22) is rotatably connected to the base plate (21) via a bearing seat (25); and a limit assembly for limiting the rotation of the slider (24) is provided on the bottom surface of the movable frame (1).

3. The cantilever lifting transplanting fork according to claim 2, characterized in that: The limiting assembly comprises a first guide block (26) and a first guide rail (27), wherein the first guide block (26) is fixedly connected to the bottom surface of the movable frame (1), the first guide block (26) is located on both sides of the slider (24), the first guide rail (27) is fixedly connected to the top surface of the bottom plate (21), the length direction of the first guide rail (27) is consistent with the first horizontal direction, the bottom surface of the first guide block (26) is provided with a first guide groove (261) for the first guide rail (27) to pass through, and the first guide rail (27) slides in the first guide groove (261).

4. The cantilever lifting transplanting fork according to claim 2, characterized in that: A limit seat (5) is provided on the top surface of the base plate (21), and the limit seat (5) is provided at one end in the length direction of the base plate (21). When the base plate (21) of the movable frame (1) contacts a side of the limit seat (5) close to the movable frame (1), the first motor (22) stops rotating.

5. The cantilever lifting transplanting fork according to claim 1, characterized in that: The second translation assembly (3) includes a second motor (31), an angular speed reducer (32), a gear (33), a rack, a second guide block (34), and a second guide rail. The second motor (31) is fixed on the base plate (21). The second motor (31) is connected to the gear (33) through the angular speed reducer (32). The center axis of the gear (33) is vertically arranged. The rotating shaft of the gear (33) is rotatably connected to the bottom surface of the base plate (21). A conveying platform is arranged below the base plate (21). The base plate (21) is arranged on the conveying platform along the first The rack is fixedly connected to the conveying platform, the rack is meshed with the gear (33), the second guide block (34) is fixedly connected to the bottom surface of the base plate (21), the second guide rail is fixedly connected to the top surface of the conveying platform, the length direction of the second guide rail is consistent with the second horizontal direction, the second guide blocks (34) are arranged at both ends of the length direction of the base plate (21), the bottom surface of the second guide block (34) is provided with a second guide groove (341) for the second guide rail to pass through, and the second guide rail slides in the second guide groove (341).

6. The cantilever lifting transplanting fork according to claim 5, characterized in that: The gear (33) is a helical gear (33), the rack is a helical rack, and the helical gear (33) and the helical rack are used in conjunction with each other.

7. The cantilever lifting transplanting fork according to claim 1, characterized in that: The bottom surface of the fork (7) is provided with a reinforcing rib (8), and the reinforcing rib (8) extends from the end of the fork (7) farthest from the cantilever (6) to the bottom of the cantilever (6).

8. The cantilever lifting transplanting fork according to claim 1, characterized in that: The first horizontal direction is perpendicular to the second horizontal direction.

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