Carrying robot chassis

Abstract

The utility model discloses a transfer robot chassis, and particularly relates to the technical field of transfer robots, which comprises a bottom frame, a transfer robot connecting seat used for being connected with the bottom of a transfer robot is arranged at the top of the bottom frame, staggered grooves are arranged at two side ends of the middle of the bottom frame, and wheels are mounted on the inner sides of the staggered grooves. A fixing block is fixedly connected to the bottom of one end of the bottom frame, two rotating seats are connected to the position, located on the inner side of the fixing block, of the bottom of the bottom frame, rotating frames are movably connected to the inner sides of the two rotating seats, rollers are connected to the bottoms of the rotating frames, and springs are connected between the outer walls of the rotating frames and the outer walls of the bottoms of the fixing blocks. The side, away from the fixing block, of the bottom of the bottom frame is fixedly connected with an L-shaped plate. According to the chassis structure, when the transfer robot moves, stable movement on the concave-convex ground and stable supporting on the base can be kept, in the process that an object is put on the transfer robot, the transfer robot does not deviate, and stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of transport robots, and more specifically, to a transport robot chassis. Background Art

[0002] With the rapid development of industrial automation and intelligent manufacturing, handling robots are increasingly used in modern production lines, logistics warehousing, home services, etc. These robots need to complete material handling tasks stably and efficiently in various environments, and the chassis design of handling robots is the key to achieving this goal.

[0003] A common transport robot chassis usually has a wheel structure for movement. When the object to be transported is placed on the transport robot, if the gravity on the transport robot is not in a vertical direction, the wheels themselves are unstable. When the object is not in a vertical direction, the wheels will roll, causing the transport robot chassis to shift, which will also affect the position of subsequent objects placed, resulting in poor stability. Utility Model Content

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a handling robot chassis.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a handling robot chassis, including a base frame, the top of the base frame is provided with a handling robot connecting seat for connecting to the bottom of the handling robot, the middle two sides of the base frame are provided with dislocation grooves, wheels are installed on the inner sides of the dislocation grooves, the bottom of one end of the base frame is fixedly connected to a fixing block, and the bottom of the base frame is located at the inner side of the fixing block and is connected with two rotating seats, the inner sides of the two rotating seats are movably connected with a rotating frame, the bottom of the rotating frame is connected with a roller, and a spring is connected between the outer wall of the rotating frame and the bottom outer wall of the fixing block, the bottom of the base frame is fixedly connected to an L-shaped plate on the side away from the fixing block, a control switch is installed on the outer wall of the L-shaped plate, and a vacuum pump is fixedly installed on the inner side of the L-shaped plate, the output end of the vacuum pump is connected to a three-way pipe, and two hydraulic cylinders are installed on the bottom of the base frame near the inner side of the L-shaped plate, the output ends of the two hydraulic cylinders are vertically connected to suction cups, and air pipes are connected between the two suction cups and the two ends of the three-way pipe.

[0006] As a further improvement of the technical solution of the utility model, the fixed block and the rotating seat are fixed to the bottom of the base frame by screws or welding.

[0007] As a further improvement of the technical solution of the utility model, the top of the rotating frame is movably connected to the rotating seat via a rotating shaft, the top of the rotating frame is provided with a hole for the rotating shaft to pass through, and the roller is movably connected to the bottom of the rotating frame via a rotating shaft.

[0008] As a further improvement of the technical solution of the utility model, metal sheets are welded to both ends of the spring, and the two metal sheets are fixedly connected to the outer wall of the fixed block and the rotating frame by screws.

[0009] As a further improvement of the technical solution of the utility model, the L-shaped plate is fixedly connected to the bottom of the base frame by screws, and the bottom of the hydraulic cylinder is fixedly connected to the L-shaped plate by screws.

[0010] As a further improvement of the technical solution of the utility model, the outer wall of the hydraulic cylinder is connected with a bracket, and the bracket is fixedly connected to the bottom of the base frame by screws.

[0011] As a further improvement of the technical solution of the utility model, the output end of the hydraulic cylinder is fixed to the top of the suction cup by hot melt adhesive.

[0012] Beneficial effects of the utility model:

[0013] 1. By setting the fixed block, rotating seat, rotating frame, roller and spring, when the handling robot moves, the roller in the bottom part of these structures first contacts the ground. When the ground is uneven, the roller moves with the rotating frame and uses the tension and compression support buffer of the spring to maintain stable rolling on the uneven ground, thereby maintaining the overall stable support of the chassis;

[0014] 2. By setting up an L-shaped plate, a vacuum pump, a three-way pipe, a hydraulic cylinder, a suction cup and an air pipe, before the object to be transported is placed on the transport robot, the hydraulic cylinder is used to push the suction cup down to touch the ground, the vacuum pump runs to draw a vacuum, and the air at the bottom of the suction cup is extracted through the air pipe to form a negative pressure, which will keep the suction cup stably adsorbed to the ground. At this time, when the object is placed on the transport robot, the transport robot will not have the problem of deviation, thereby improving stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the utility model.

[0016] Figure 2 It is a structural schematic diagram of the bottom frame in the utility model.

[0017] Figure 3 It is a schematic diagram of the installation structure of the roller in the utility model.

[0018] Figure 4 It is a structural schematic diagram of the fixing block in the utility model.

[0019] The accompanying drawings are marked as follows: 1. base frame; 2. handling robot connecting seat; 3. offset groove; 4. wheel; 5. fixed block; 6. rotating seat; 7. rotating frame; 8. roller; 9. spring; 10. hydraulic cylinder; 11. suction cup; 12. L-shaped plate; 13. control switch; 14. vacuum pump; 15. three-way pipe; 16. air pipe. DETAILED DESCRIPTION

[0020] 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 in 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.

[0021] As attached Figure 1-4 The chassis of a handling robot shown in the figure comprises a chassis 1, a handling robot connecting seat 2 for connecting to the bottom of the handling robot is arranged on the top of the chassis 1, dislocation grooves 3 are arranged on both sides of the middle of the chassis 1, wheels 4 are installed on the inner side of the dislocation grooves 3, a fixed block 5 is fixedly connected to the bottom of one end of the chassis 1, and two rotating seats 6 are connected to the inner side of the fixed block 5 at the bottom of the chassis 1, a rotating frame 7 is movably connected to the inner side of the two rotating seats 6, a roller 8 is connected to the bottom of the rotating frame 7, and the outer wall of the rotating frame 7 is connected to the bottom of the fixed block 5. A spring 9 is connected between the outer walls of the bottom of the base frame 1, an L-shaped plate 12 is fixedly connected to the side of the bottom of the base frame 1 away from the fixed block 5, a control switch 13 is installed on the outer wall of the L-shaped plate 12, and a vacuum pump 14 is fixedly installed on the inner side of the L-shaped plate 12, and the output end of the vacuum pump 14 is connected to a three-way pipe 15, and two hydraulic cylinders 10 are installed on the bottom of the base frame 1 near the inner side of the L-shaped plate 12, and the output ends of the two hydraulic cylinders 10 are vertically connected to suction cups 11 downward, and air pipes 16 are connected between the two suction cups 11 and the two ends of the three-way pipe 15.

[0022] As attached Figure 1 As shown, the fixed block 5 and the rotating seat 6 are fixed to the bottom of the base frame 1 by screws or welding, which facilitates the connection and fixation of the fixed block 5 and the rotating seat 6 on the base frame 1, and further facilitates the subsequent installation of the roller 8 and the spring 9.

[0023] As attached Figure 1 and attached Figure 3 As shown, the top of the rotating frame 7 is movably connected to the rotating seat 6 via a rotating shaft, a hole for the rotating shaft to pass through is provided at the top of the rotating frame 7, and the roller 8 is movably connected to the bottom of the rotating frame 7 via a rotating shaft, which facilitates the movable connection between the rotating frame 7 and the rotating seat 6 and the rolling of the roller 8 at the bottom of the rotating frame 7.

[0024] As attached Figure 1As shown, metal sheets are welded on both ends of the spring 9, and the two metal sheets are fixedly connected to the outer walls of the fixed block 5 and the rotating frame 7 by screws, which is convenient for the connection of the spring 9 and further facilitates the support and buffering effect when there is a raised ground during the movement of the roller 8.

[0025] As attached Figure 1 As shown, the L-shaped plate 12 is fixedly connected to the bottom of the base frame 1 by screws, and the bottom of the hydraulic cylinder 10 is fixedly connected to the L-shaped plate 12 by screws, which facilitates the connection and fixation of the L-shaped plate 12, and further facilitates the installation and fixation of the vacuum pump 14.

[0026] As attached Figure 1 As shown, the outer wall of the hydraulic cylinder 10 is connected with a bracket, and the bracket is fixedly connected to the bottom of the base frame 1 by screws, so as to facilitate the installation and fixation of the hydraulic cylinder 10.

[0027] As attached Figure 1 As shown, the output end of the hydraulic cylinder 10 is fixed to the top of the suction cup 11 by hot melt adhesive, which is convenient for installing the suction cup 11 and further convenient for controlling the suction cup 11 to be lifted or lowered by the hydraulic cylinder 10 .

[0028] Working principle: This utility model designs a handling robot chassis, the specific structure is as shown in the attached manual Figure 1-4 As shown, in the present technical solution, firstly, a fixed block 5, a rotating seat 6, a rotating frame 7, a roller 8 and a spring 9 are provided. When the handling robot moves, among these structures at the bottom part, the roller 8 first contacts the ground. When the ground is uneven, the roller 8 moves along with the rotating frame 7, and utilizes the tension and compression support and buffering of the spring 9 to maintain stable rolling on the uneven ground, thereby maintaining overall stable support for the chassis; and by arranging an L-shaped plate 12, a vacuum pump 14, a three-way pipe 15, a hydraulic cylinder 10, a suction cup 11 and an air pipe 16, before the object to be transported is placed on the handling robot, the hydraulic cylinder 10 is utilized to push the suction cup 11 down to contact the ground, the vacuum pump 14 operates to draw a vacuum, and the air at the bottom of the suction cup 11 is extracted through the air pipe 16 to form a negative pressure, which will keep the suction cup 11 stably adsorbed to the ground. At this time, during the process of placing the object on the handling robot, the handling robot will not have the problem of deviation, thereby improving stability.

[0029] Among them, the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0030] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A handling robot chassis, comprising a base frame (1), wherein a handling robot connecting seat (2) for connecting to the bottom of a handling robot is arranged on the top of the base frame (1), wherein: Both sides of the middle part of the base frame (1) are provided with dislocation grooves (3), wheels (4) are installed inside the dislocation grooves (3), a fixed block (5) is fixedly connected to the bottom of one end of the base frame (1), and the bottom of the base frame (1) is located inside the fixed block (5) and is connected to two rotating seats (6), the inner sides of the two rotating seats (6) are movably connected to a rotating frame (7), the bottom of the rotating frame (7) is connected to a roller (8), and a spring (9) is connected between the outer wall of the rotating frame (7) and the outer wall of the bottom of the fixed block (5), and the bottom of the base frame (1) is away from the fixed block. An L-shaped plate (12) is fixedly connected to one side of the base frame (5), a control switch (13) is installed on the outer wall of the L-shaped plate (12), and a vacuum pump (14) is fixedly installed on the inner side of the L-shaped plate (12), and the output end of the vacuum pump (14) is connected to a three-way pipe (15). Two hydraulic cylinders (10) are installed at the bottom of the base frame (1) near the inner side of the L-shaped plate (12), and the output ends of the two hydraulic cylinders (10) are vertically connected to suction cups (11) downward, and air pipes (16) are connected between the two suction cups (11) and the two ends of the three-way pipe (15).

2. A handling robot chassis according to claim 1, characterized in that: The fixed block (5) and the rotating seat (6) are fixed to the bottom of the base frame (1) by screws or welding.

3. A handling robot chassis according to claim 1, characterized in that: The top of the rotating frame (7) is movably connected to the rotating seat (6) via a rotating shaft, a hole for the rotating shaft to pass through is provided at the top of the rotating frame (7), and the roller (8) is movably connected to the bottom of the rotating frame (7) via a rotating shaft.

4. The handling robot chassis according to claim 1, characterized in that: Metal sheets are welded to both ends of the spring (9), and the two metal sheets are fixedly connected to the outer walls of the fixed block (5) and the rotating frame (7) by screws.

5. The handling robot chassis according to claim 1, characterized in that: The L-shaped plate (12) is fixedly connected to the bottom of the base frame (1) via screws, and the bottom of the hydraulic cylinder (10) is fixedly connected to the L-shaped plate (12) via screws.

6. The handling robot chassis according to claim 1, characterized in that: The outer wall of the hydraulic cylinder (10) is connected to a bracket, and the bracket is fixedly connected to the bottom of the base frame (1) by means of screws.

7. The handling robot chassis according to claim 1, characterized in that: The output end of the hydraulic cylinder (10) and the top of the suction cup (11) are bonded and fixed by hot melt adhesive.

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