Cargo carrying and transferring mechanical arm

By designing symmetrically arranged robotic arms and motor-driven platform rotation, combined with hydraulic cylinder positioning, efficient cargo handling between different production lines was achieved, solving the problem of low working efficiency of a single robotic arm and increasing the working range and handling distance.

CN223687590UActive Publication Date: 2025-12-19ZHILIANGCE (KUNSHAN) ROBOT TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520315289.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2025-12-19
Estimated Expiration
2035-02-26

AI Technical Summary

Technical Problem

A single robotic arm is inefficient and has a limited working range when operating between two production lines, making it difficult to meet the needs of efficient cargo handling.

Method used

Design a cargo handling and transfer robot arm that includes a base, a platform, and two symmetrically arranged robotic arms. The platform is rotated by a motor-driven transmission gear meshing with an internal gear ring. Combined with the cooperation of a hydraulic cylinder and a positioning shaft, the position of the robotic arms can be alternated and precisely positioned on different production lines.

Benefits of technology

It improves the efficiency of cargo handling, expands the working range and handling distance of the robotic arm, and ensures efficient alternation of the robotic arm between different production lines.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223687590U_ABST
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Abstract

The utility model discloses a cargo carrying and transferring mechanical arm which comprises a base, a supporting table and two mechanical arm bodies, a motor is arranged in the base, a transmission gear is arranged on an output shaft of the motor, an inner tooth ring is rotationally connected in the base, the transmission gear is meshed with the inner tooth ring, a plurality of transmission rods are arranged on the inner tooth ring, and the transmission rods are meshed with the transmission gear. The two mechanical arms are symmetrically arranged, the motor drives the transmission gear to rotate, so that the transmission gear is meshed with the inner tooth ring to rotate, the transmission rods are inserted into the supporting table in a penetrating mode, the supporting table rotates, and the two mechanical arms are arranged on the supporting table in a sliding mode. Compared with the prior art, the goods carrying working efficiency is effectively improved, and the working range and the carrying distance of the mechanical arms are greatly improved due to mutual alternation of the working areas between the two mechanical arms.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical arm technical field especially relates to a goods carrying and moving mechanical arm. BACKGROUND

[0002] Mechanical arm refers to the high precision, multi -input and multi -output, highly nonlinear, strong coupling complex system. Because its unique operation flexibility, has got the wide application in industrial assembly, safety explosion -proof etc.

[0003] In the industrial production process, goods and products need different assembly lines to carry out corresponding processing, usually adopt mechanical arm to carry and move, but the working range of single mechanical arm has certain limitation, and the working efficiency of single mechanical arm between two assembly lines is lower, therefore need a kind of goods carrying and moving mechanical arm to meet people's demand. SUMMARY

[0004] The utility model discloses a goods carrying and moving mechanical arm to solve the problem in the background art.

[0005] To realize the above-mentioned purpose, the utility model provides the following technical scheme: a goods carrying and moving mechanical arm, including base, bolster and two mechanical arms, be provided with motor in the base, be provided with transmission gear on the output shaft of motor, be rotatably connected with the inner tooth ring in the base, the transmission gear is engaged on the inner tooth ring, be provided with a plurality of transmission rods on the inner tooth ring, the bolster is slidably connected on a plurality of transmission rods, two the mechanical arms are all set up on the bolster, and mutually symmetrical arrangement.

[0006] Preferably, a round slot is formed in the base, and the inner tooth ring is arranged in the round slot.

[0007] Preferably, a positioning ring is arranged on the bottom end of the inner tooth ring, the single side section of the positioning ring is L-shaped, and the positioning ring is rotatably connected to the bottom end of the round slot.

[0008] Preferably, a hydraulic cylinder is arranged in the base, the telescopic shaft of the hydraulic cylinder is movably connected between the bottom end of the bolster, two positioning shafts are arranged on the bottom end of the bolster, the positions of the two positioning shafts correspond to the positions of the two mechanical arms respectively, and the two positioning shafts are inserted into the top end of the base.

[0009] Preferably, a movable shaft is arranged on the telescopic shaft of the hydraulic cylinder, a sleeve is arranged on the bottom end of the bolster, and the sleeve is rotatably connected to the movable shaft.

[0010] Preferably, a limiting block is arranged on the top end of the transmission rod, and the limiting block is arranged above the bolster.

[0011] Preferably, two positioning holes are formed on the base, and two positioning shafts are arranged in the corresponding positioning holes.

[0012] The utility model discloses a beneficial effect is:

[0013] The utility model discloses a through the symmetrical arrangement of two mechanical arms, and motor drive transmission gear rotation, make transmission gear and internal tooth gear ring meshing rotation, via transmission rod in the intercalation of support station, make support station produce rotation, thereby make two mechanical arms between the position alternation change on different assembly line, compared with prior art, effectively improved the work efficiency of cargo handling, and the mutual alternation of working area between two mechanical arms, the working range and the carrying distance of mechanical arm are greatly promoted.

[0014] The utility model discloses a through the setting of hydraulic cylinder and positioning shaft, make hydraulic cylinder drive support station to drop, and positioning shaft follows and drops and inserts in the base, can limit the rotation of support station, thereby provide accurate positioning effect for the position of two mechanical arms, prevent deviating working area. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The utility model discloses a structure schematic diagram of cargo handling and removal mechanical arm is provided for the utility model;

[0016] Figure 2 The utility model discloses a side view cross section structure schematic diagram of cargo handling and removal mechanical arm is provided for the utility model;

[0017] Figure 3 The utility model discloses a top view cross section structure schematic diagram of cargo handling and removal mechanical arm is provided for the utility model;

[0018] Figure 4 The utility model discloses a front view cross section structure schematic diagram of cargo handling and removal mechanical arm is provided for the utility model.

[0019] In the drawing: 1, base;2, support station;3, mechanical arm;4, motor;5, transmission gear;6, internal tooth gear ring;7, transmission rod;8, round slot mouth;9, positioning ring;10, hydraulic cylinder;11, positioning shaft;12, movable shaft;13, sleeve;14, limit block;15, positioning hole. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0021] Referring to Figures 1-4The utility model provides a kind of cargo handling transfer mechanical arm, including base 1, support platform 2 and two mechanical arms 3, motor 4 is provided in base 1, transmission gear 5 is provided on the output shaft of motor 4, inner tooth ring 6 is rotatably connected in base 1, transmission gear 5 is engaged on inner tooth ring 6, several transmission rods 7 are provided on inner tooth ring 6, support platform 2 is slidably connected on several transmission rods 7, two mechanical arms 3 are all arranged on support platform 2, and mutually symmetrical arrangement.

[0022] When carrying goods, the mechanical arm 3 on one side will clamp the goods near the flow line, drive motor 4, the output shaft of motor 4 drives transmission gear 5 to rotate, transmission gear 5 is engaged with inner tooth ring 6 and rotates, inner tooth ring 6 drives transmission rod 7 to generate circular motion, and the transmission rod 7 is inserted in the support platform 2, so that the support platform 2 rotates, the angle of the mechanical arm 3 clamping the goods changes, and the goods are placed on the flow line on the other side. At this time, the other mechanical arm 3 originally on the flow line clamps the goods on the previous flow line, and the cycle is repeated. Compared with the prior art, the work efficiency of the cargo handling is effectively improved, and the working area of the two mechanical arms 3 is alternated, which greatly improves the working range and carrying distance of the mechanical arm 3.

[0023] Specifically, in the present embodiment, a circular slot 8 is formed in the base 1, and the inner tooth ring 6 is arranged in the circular slot 8 to provide a storage space and a rotating space for the inner tooth ring 6.

[0024] Specifically, in the present embodiment, a positioning ring 9 is provided on the bottom end of the inner tooth ring 6, and the single-sided section of the positioning ring 9 is L-shaped. The positioning ring 9 is rotatably connected to the bottom end of the circular slot 8, ensuring that the inner tooth ring 6 always rotates around the same center. At the same time, the connection between the inner tooth ring 6 and the base 1 is improved, preventing the vertical movement of the inner tooth ring 6.

[0025] Specifically, in the present embodiment, a hydraulic cylinder 10 is provided in the base 1, and the telescopic shaft of the hydraulic cylinder 10 is movably connected to the bottom end of the support platform 2. Two positioning shafts 11 are provided on the bottom end of the support platform 2, and the two positioning shafts 11 correspond to the positions of the two mechanical arms 3, respectively. The two positioning shafts 11 are inserted into the top end of the base 1.

[0026] When operating, turn off the power of the motor 4, and after the mechanical arm 3 clamps the goods, drive the hydraulic cylinder 10 to extend the telescopic shaft. At this time, the support platform 2 rises and slides on the transmission rod 7. The positioning shaft 11 rises and separates from the base 1. After complete separation, start the motor 4 to rotate the support platform 2. When the mechanical arm 3 clamping the goods rotates to the other flow line, turn off the power of the motor 4, retract the telescopic shaft of the hydraulic cylinder 10, and lower the support platform 2 to insert the positioning shaft 11 into the base 1. Complete positioning, and control the mechanical arm 3 to place the goods.

[0027] Specifically, in the embodiment, the telescopic shaft of the hydraulic cylinder 10 is provided with a movable shaft 12, and the bottom end of the support table 2 is provided with a sleeve 13, which is rotationally connected to the movable shaft 12, thereby ensuring the connection effect between the telescopic shaft of the hydraulic cylinder 10 and the support table 2, and making the rotation of the support table 2 and the hydraulic cylinder 10 independent of each other and not interfering with each other.

[0028] Specifically, in the embodiment, the top end of the transmission rod 7 is provided with a limiting block 14, which is arranged above the support table 2 to provide a limit for the lifting of the support table 2, thereby preventing the support table 2 from lifting out of range, separating from the transmission rod 7, and causing the rotation of the support table 2 to be restricted.

[0029] Specifically, in the embodiment, two positioning holes 15 are formed in the base 1, and two positioning shafts 11 are arranged in the corresponding positioning holes 15, respectively, and the positioning holes 15 provide insertion space for the positioning shafts 11, thereby easily achieving the connection effect between the positioning shafts 11 and the base 1, and further achieving the positioning and limiting effects.

[0030] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A cargo handling transfer robot arm comprising a base (1), a table (2) and two robot arms (3), characterized in that: The base (1) is provided with a motor (4), a transmission gear (5) is arranged on the output shaft of the motor (4), the base (1) is rotatably connected with an inner tooth gear ring (6), the transmission gear (5) is engaged on the inner tooth gear ring (6), a plurality of transmission rods (7) are arranged on the inner tooth gear ring (6), the support table (2) is slidably connected on the plurality of transmission rods (7), the two mechanical arms (3) are arranged on the support table (2) and are symmetrically arranged.

2. The cargo handling transfer arm of claim 1, wherein: The base (1) is provided with a circular slot (8), and the inner tooth gear ring (6) is arranged in the circular slot (8).

3. The cargo handling transfer arm of claim 1, wherein: The bottom end of the inner tooth gear ring (6) is provided with a positioning ring (9), one side of the positioning ring (9) is L-shaped, and the positioning ring (9) is rotatably connected in the bottom end of the circular slot (8).

4. The cargo handling transfer arm of claim 1, wherein: The base (1) is provided with a hydraulic cylinder (10), the telescopic shaft of the hydraulic cylinder (10) is movably connected with the bottom end of the support table (2), the bottom end of the support table (2) is provided with two positioning shafts (11), the two positioning shafts (11) correspond to the positions of the two mechanical arms (3) respectively, and the two positioning shafts (11) are inserted into the top end of the base (1).

5. The cargo handling transfer arm of claim 4, wherein: The telescopic shaft of the hydraulic cylinder (10) is provided with a movable shaft (12), the bottom end of the support table (2) is provided with a sleeve (13), and the sleeve (13) is rotatably connected with the movable shaft (12).

6. The cargo handling transfer arm of claim 1, wherein: The top end of the transmission rod (7) is provided with a limiting block (14), and the limiting block (14) is arranged above the support table (2).

7. The cargo handling transfer arm of claim 1, wherein: The base (1) is provided with two positioning holes (15), and the two positioning shafts (11) are arranged in the corresponding positioning holes (15).