Lifting device of transfer robot

Abstract

The utility model discloses a lifting device of a transfer robot, which belongs to the technical field of lifting devices and comprises a transfer robot body, a lifting component is mounted at the top of the transfer robot body, a bearing box is connected to the top of the lifting component, and an expansion mechanism is arranged on one side of the bearing box. The expanding mechanism comprises two sliding plates and an output motor, and a clamping mechanism is arranged at the top of the expanding mechanism; the clamping mechanism is arranged, an output shaft of a double-shaft motor rotates to drive a worm to rotate, the worm rotates to drive a worm gear and a connecting rod to rotate, the connecting rod rotates to drive a sliding rod and a first threaded rod to rotate, and the first threaded rod rotates to drive a first threaded seat and a clamping plate to move, so that the clamping plate can clamp an object; and therefore, the articles are prevented from slipping off due to bumping in the carrying process, the articles are prevented from falling to the ground and being damaged, and the transportation stability is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of lifting devices, and in particular relates to a lifting device of a transport robot. Background Art

[0002] A handling robot is an autonomous mobile robot that can perform repetitive operations such as handling, stacking, and loading objects. These operations are all completed by the handling robot's lifting device, which is a liftable platform that allows objects to be lifted from a low place to a high place.

[0003] The lifting device of the existing transport robot has a platform size for lifting objects that is fixed, so the number of objects that can be transported is limited and more objects cannot be transported at one time, which affects the transport efficiency of the transport robot. Secondly, the lifting platform of the existing transport robot lifting device has no device for fixing objects, so objects are prone to slipping during the transport process of the transport robot, thereby damaging the transported objects. Utility Model Content

[0004] The utility model aims to solve the problems of slipping of articles and inability to carry more articles in the handling process of the prior art handling robot, and to propose a lifting device for the handling robot.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A lifting device for a handling robot comprises a handling robot body, a lifting assembly is installed on the top of the handling robot body, a load-bearing box is connected to the top of the lifting assembly, an expansion mechanism is arranged on one side of the load-bearing box, the expansion mechanism comprises two sliding plates and an output motor, and a clamping mechanism is arranged on the top of the expansion mechanism;

[0007] The clamping mechanism includes multiple sliding grooves and two connecting rods, and the two sliding grooves on the same side are opened at the top of the same sliding plate, the inner wall of the sliding groove is slidably connected with a first threaded seat, and the tops of the two first threaded seats on the same side are connected to the same clamping plate, the inner wall of the first threaded seat is threadedly connected with a first threaded rod, one side of the sliding groove is opened with a first through groove, the outer wall of the first threaded rod is rotatably connected to the inner wall of the first through groove, and the other end of the first threaded rod extends to the outside of the sliding groove through the first through groove and is connected to the sliding rod.

[0008] As a further description of the above technical solution:

[0009] Movable grooves are provided at both ends of the connecting rod, and the inner wall of the movable groove is slidably connected to the outer wall of the sliding rod. The outer wall of the connecting rod is rotatably connected to two connecting plates, and the top of the connecting plate is connected to the inner wall of the load-bearing box. The outer wall of the connecting rod is connected to a worm wheel, and a worm is meshed on one side of the worm wheel. One end of the worm is rotatably connected to the inner wall of the load-bearing box. The outer wall of the worm is rotatably connected to a fixed plate, and the top of the fixed plate is connected to the inner wall of the load-bearing box. The same dual-axis motor is connected between the two fixed plates, and the output shafts on both sides of the dual-axis motor are respectively connected to one end of the two opposite worms.

[0010] As a further description of the above technical solution:

[0011] Sliding grooves are provided on both sides of the load-bearing box, and two second through grooves are provided on one side of the sliding groove. The inner wall of the second through groove is slidably connected to the outer wall of the first threaded seat, and the outer wall of the sliding plate is slidably connected to the inner wall of the sliding groove.

[0012] As a further description of the above technical solution:

[0013] The bottom of the sliding plate is connected with a second threaded seat, and the inner wall of the second threaded seat is threadedly connected with a second threaded rod.

[0014] As a further description of the above technical solution:

[0015] One end of the second threaded rod is connected to a first bevel gear, and one side of the two first bevel gears is meshed with the same second bevel gear.

[0016] As a further description of the above technical solution:

[0017] The output shaft of the output motor is connected to the inner wall of the second bevel gear, the bottom of the output motor is connected to a mounting seat, and the bottom of the mounting seat is connected to the inner wall of the load-bearing box.

[0018] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0019] 1. In the utility model, a clamping mechanism is provided, and the output shaft of the dual-axis motor rotates to drive the worm, the rotation of the worm drives the worm wheel and the connecting rod, the rotation of the connecting rod drives the sliding rod and the first threaded rod to rotate, and the rotation of the first threaded rod drives the first threaded seat and the clamping plate to move, so that the clamping plate can clamp the objects, thereby preventing the objects from slipping due to bumps during transportation, preventing the objects from falling to the ground and being damaged, and improving the stability of transportation.

[0020] 2. In the utility model, an expansion mechanism is provided, and the second bevel gear is driven to rotate by the rotation of the output shaft of the output motor, and the rotation of the second bevel gear drives the first bevel gear and the second threaded rod to rotate, and the rotation of the second threaded rod drives the second threaded seat and the sliding plate to move, so that the sliding plate slides out from both sides of the load-bearing box, thereby increasing the area for placing items, allowing the transport robot to transport more items at a time, reducing the number of back and forth transportation, and thereby improving the transportation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0022] Figure 2 This is a schematic diagram of the structure of the clamping mechanism of the utility model;

[0023] Figure 3 For this utility model Figure 2 The enlarged structural diagram of part A in the middle;

[0024] Figure 4 For this utility model Figure 2 The enlarged structural diagram of part B in the middle;

[0025] Figure 5 This is a schematic diagram of the cross-sectional structure of the connecting rod of the utility model;

[0026] Figure 6 This is a schematic diagram of the load-bearing box structure of the utility model;

[0027] Figure 7 This is a schematic diagram of the cross-sectional structure of the load-bearing box of the utility model;

[0028] Figure 8 This is a schematic diagram of the expansion mechanism structure of the utility model;

[0029] Fig. 9 For this utility model Figure 8 Schematic diagram of the enlarged structure of part C in the middle.

[0030] Legend: 1. Carrying robot body; 2. Lifting assembly; 3. Load-bearing box; 4. Clamping mechanism; 401. Clamping plate; 402. First threaded seat; 403. Slide groove; 404. First threaded rod; 405. Slide rod; 406. Connecting rod; 407. Connecting plate; 408. First through groove; 409. Worm; 410. Worm wheel; 411. Fixed plate; 412. Dual-axis motor; 413. Moving groove; 5. Expansion mechanism; 501. Sliding plate; 502. Second threaded seat; 503. Second threaded rod; 504. First bevel gear; 505. Second bevel gear; 506. Output motor; 6. Slide groove; 7. Second through groove. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] See also Figure 1-9 The utility model provides a technical solution: a lifting device of a handling robot, comprising a handling robot body 1, a lifting assembly 2 is installed on the top of the handling robot body 1, a load-bearing box 3 is connected to the top of the lifting assembly 2, an expansion mechanism 5 is arranged on one side of the load-bearing box 3, the expansion mechanism 5 comprises two sliding plates 501 and an output motor 506, and a clamping mechanism 4 is arranged on the top of the expansion mechanism 5;

[0033] The clamping mechanism 4 includes a plurality of slide grooves 403 and two connecting rods 406, and the two slide grooves 403 on the same side are opened at the top of the same sliding plate 501, the inner wall of the slide groove 403 is slidably connected with the first threaded seat 402, and the tops of the two first threaded seats 402 on the same side are connected to the same clamping plate 401, the inner wall of the first threaded seat 402 is threadedly connected with the first threaded rod 404, one side of the slide groove 403 is opened with a first through groove 408, the outer wall of the first threaded rod 404 is rotatably connected with the inner wall of the first through groove 408, and the other end of the first threaded rod 404 extends to the outside of the slide groove 403 through the first through groove 408 and is connected to the slide rod 405, and both ends of the connecting rod 406 A movable groove 413 is provided, and the inner wall of the movable groove 413 is slidably connected to the outer wall of the sliding rod 405. The outer wall of the connecting rod 406 is rotatably connected to two connecting plates 407, and the top of the connecting plate 407 is connected to the inner wall of the load-bearing box 3. The outer wall of the connecting rod 406 is connected to a worm wheel 410, and a worm 409 is meshed on one side of the worm wheel 410. One end of the worm 409 is rotatably connected to the inner wall of the load-bearing box 3. The outer wall of the worm 409 is rotatably connected to a fixed plate 411, and the top of the fixed plate 411 is connected to the inner wall of the load-bearing box 3. The same dual-axis motor 412 is connected between the two fixed plates 411, and the output shafts on both sides of the dual-axis motor 412 are respectively connected to one end of the two opposite worms 409.

[0034] The specific implementation method is as follows: the worm 409 is driven to rotate by rotating the output shaft of the dual-axis motor 412, the worm 409 drives the worm wheel 410 to rotate by meshing with the worm wheel 410, the rotation of the worm wheel 410 drives the connecting rod 406 to rotate, the connecting rod 406 drives the sliding rod 405 to rotate through the movable groove 413, the rotation of the sliding rod 405 drives the first threaded rod 404 to rotate, the first threaded rod 404 rotates in the cavity with threads of the first threaded seat 402, thereby driving the first threaded seat 402 to move, the movement of the first threaded seat 402 drives the clamping plate 401 to move, so that the clamping plate 401 can clamp the objects, thereby preventing the objects from slipping due to bumps during transportation, preventing the objects from falling to the ground and being damaged, and improving the stability of transportation.

[0035] Sliding grooves 6 are provided on both sides of the load-bearing box 3, and two second through grooves 7 are provided on one side of the sliding groove 6. The inner wall of the second through groove 7 is slidably connected to the outer wall of the first threaded seat 402, and the outer wall of the sliding plate 501 is slidably connected to the inner wall of the sliding groove 6. The bottom of the sliding plate 501 is connected to the second threaded seat 502, and the inner wall of the second threaded seat 502 is threadedly connected to the second threaded rod 503, one end of the second threaded rod 503 is connected to the first bevel gear 504, and the same second bevel gear 505 is meshed on one side of the two first bevel gears 504, the output shaft of the output motor 506 is connected to the inner wall of the second bevel gear 505, and the bottom of the output motor 506 is connected to a mounting seat, and the bottom of the mounting seat is connected to the inner wall of the load-bearing box 3.

[0036] The specific implementation method is: the second bevel gear 505 is driven to rotate by rotating the output shaft of the output motor 506, the second bevel gear 505 drives the first bevel gear 504 to rotate by meshing with the first bevel gear 504, the rotation of the first bevel gear 504 drives the second threaded rod 503 to rotate, the second threaded rod 503 rotates in the threaded cavity of the second threaded seat 502, thereby driving the second threaded seat 502 to move, the movement of the second threaded seat 502 drives the sliding plate 501 to move, so that the sliding plate 501 slides out of the sliding groove 6 on both sides of the load-bearing box 3, thereby increasing the area for placing items, allowing the transport robot to transport more items at a time, reducing the number of back and forth transportation, and thus improving the transportation efficiency.

[0037] Working principle: When in use, the output shaft of the output motor 506 is first rotated to rotate the second bevel gear 505, and the second bevel gear 505 drives the first bevel gear 504 to rotate by meshing with the first bevel gear 504, so that the first bevel gear 504 can drive the second threaded rod 503 to rotate, and then the second threaded rod 503 rotates in the threaded cavity of the second threaded seat 502, so that the second threaded rod 503 can drive the second threaded seat 502 to move, and the second threaded seat 502 drives the sliding plate 501 to move, so that the sliding plate 501 can slide out of the sliding grooves 6 on both sides of the load-bearing box 3, thereby expanding the storage area of ​​the load-bearing box 3, and the movement of the sliding plate 501 will also drive the first threaded rod 404 to move, and the movement of the first threaded rod 404 drives the sliding rod 405 to move in the moving groove 413, so that the sliding rod 405 can move out of the moving groove 6. The first threaded seat 402 and the clamping plate 401 are moved together by the first threaded rod 404, and then the objects are placed on the top of the load-bearing box 3 and the sliding plate 501. The output shaft of the dual-axis motor 412 is then rotated to rotate the worm 409. The worm 409 engages with the worm wheel 410 to drive the worm wheel 410 to rotate, and the worm wheel 410 drives the connecting rod 406 to rotate, so that the connecting rod 406 can drive the sliding rod 405 to rotate through the movable groove 413. The rotation of the sliding rod 405 causes the first threaded rod 404 to rotate in the threaded cavity of the first threaded seat 402, thereby causing the first threaded seat 402 to move, and causing the first threaded seat 402 to drive the clamping plate 401 to move, so that the clamping plate 401 can clamp the objects placed on the top of the load-bearing box 3 and the sliding plate 501.

[0038] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A lifting device for a handling robot, comprising a handling robot body (1), characterized in that: A lifting assembly (2) is installed on the top of the handling robot body (1); a load-bearing box (3) is connected to the top of the lifting assembly (2); an expansion mechanism (5) is arranged on one side of the load-bearing box (3); the expansion mechanism (5) comprises two sliding plates (501) and an output motor (506); and a clamping mechanism (4) is arranged on the top of the expansion mechanism (5); The clamping mechanism (4) includes a plurality of slide grooves (403) and two connecting rods (406), and the two slide grooves (403) on the same side are opened at the top of the same sliding plate (501), the inner wall of the slide groove (403) is slidably connected with a first threaded seat (402), and the tops of the two first threaded seats (402) on the same side are connected to the same clamping plate (401), the inner wall of the first threaded seat (402) is threadedly connected with a first threaded rod (404), one side of the slide groove (403) is opened with a first through groove (408), the outer wall of the first threaded rod (404) is rotatably connected with the inner wall of the first through groove (408), and the other end of the first threaded rod (404) extends to the outside of the slide groove (403) through the first through groove (408) and is connected with a slide rod (405).

2. The lifting device of a handling robot according to claim 1, characterized in that: Both ends of the connecting rod (406) are provided with a movable groove (413), the inner wall of the movable groove (413) is slidably connected to the outer wall of the sliding rod (405), the outer wall of the connecting rod (406) is rotatably connected to two connecting plates (407), and the top of the connecting plate (407) is connected to the inner wall of the load-bearing box (3), the outer wall of the connecting rod (406) is connected to a worm wheel (410), one side of the worm wheel (410) is meshed with a worm (409), one end of the worm (409) is rotatably connected to the inner wall of the load-bearing box (3), the outer wall of the worm (409) is rotatably connected to a fixed plate (411), and the top of the fixed plate (411) is connected to the inner wall of the load-bearing box (3), and the same double-axis motor (412) is connected between the two fixed plates (411), and the output shafts on both sides of the double-axis motor (412) are respectively connected to one end of the two opposite worms (409).

3. The lifting device of a handling robot according to claim 1, characterized in that: The load-bearing box (3) is provided with sliding grooves (6) on both sides, and two second through grooves (7) are provided on one side of the sliding groove (6). The inner wall of the second through groove (7) is slidably connected to the outer wall of the first threaded seat (402), and the outer wall of the sliding plate (501) is slidably connected to the inner wall of the sliding groove (6).

4. The lifting device of a handling robot according to claim 1, characterized in that: The bottom of the sliding plate (501) is connected to a second threaded seat (502), and the inner wall of the second threaded seat (502) is threadedly connected to a second threaded rod (503).

5. The lifting device of a handling robot according to claim 4, characterized in that: One end of the second threaded rod (503) is connected to a first bevel gear (504), and one side of the two first bevel gears (504) is meshed with the same second bevel gear (505).

6. The lifting device of a handling robot according to claim 1, characterized in that: The output shaft of the output motor (506) is connected to the inner wall of the second bevel gear (505), the bottom of the output motor (506) is connected to a mounting seat, and the bottom of the mounting seat is connected to the inner wall of the load-bearing box (3).

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