CN218893164U

CN218893164U - Transfer robot and weighing device thereof

Info

Publication number: CN218893164U
Application number: CN202223452543.6U
Authority: CN
Inventors: 梁贤; 龙德荣; 李再金
Original assignee: Hai Robotics Co Ltd
Current assignee: Hai Robotics Co Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-04-21
Anticipated expiration: 2032-12-20

Abstract

The utility model relates to a transfer robot and a weighing device thereof, wherein the weighing device comprises: the bearing assembly is used for placing the goods box; the weighing module is arranged at the bottom of the bearing assembly and comprises a weighing sensor and a supporting mechanism, the weighing sensor comprises a first end connected with the bearing assembly, the supporting mechanism is arranged at the first end and supports the bearing assembly, and a supporting point of the supporting mechanism is located at the periphery of the supporting position of the bearing assembly. The supporting mechanism forms a reinforced effect on the support of the weighing sensor, and the stability of the whole weighing module is improved by increasing the size of the supporting surface of the weighing module and the supporting component under the condition that the weighing sensor is not replaced. At this time, the force transmitted to the weighing sensor by the bearing component through the supporting mechanism is the gravity to be weighed, and the weighing precision cannot be influenced.

Description

Transfer robot and weighing device thereof

Technical Field

The utility model relates to the field of intelligent storage, in particular to a weighing device of a transfer robot.

Background

The prior carrying robot pack basket for a large container does not have a corresponding weighing module, and the large container is a container with the length and the width of more than 750 multiplied by 550mm which is required to be taken and placed by a robot. Mainly because of the following points: 1. the temporary storage pack basket needed by the large container is large, and the pack basket with large width is easy to deform in the use process; 2. the existing weighing sensor with higher cost performance is not suitable for mounting a large-sized pack basket, mainly because the mounting surface of the weighing sensor is smaller than the mounting surface of 45 multiplied by 32.5mm, and the mounting screw spacing is 30 multiplied by 19.

Taking an 800×600 container as an example, the size of the temporary pack basket is 803.8x 614.2mm, the maximum load of the container is 50KG, when an 800×600 container with 50KG load is placed on a mounting surface of 45×32.5mm, the mounting screw cannot bear the torque caused by eccentricity to damage the structure when the center of the container is greatly deviated, and the service life of the whole module is affected.

Disclosure of Invention

The utility model aims to solve the technical problem that the large cargo box is unstable in the prior art, and provides an improved transfer robot and a weighing device thereof.

The technical scheme adopted for solving the technical problems is as follows: a weighing apparatus of a transfer robot is constructed, comprising:

the bearing assembly is used for placing the goods box;

the weighing module is installed the bottom of bearing assembly, the weighing module includes weighing sensor, supporting mechanism, weighing sensor include with the first end that bearing assembly is connected, supporting mechanism installs first end, and right bearing assembly supports, just supporting mechanism's supporting point is located first end is right bearing assembly supports the periphery of position.

In some embodiments, the support mechanism includes a support base mounted at the first end and a support portion disposed on the support base, the support portion supporting the load bearing assembly.

In some embodiments, the support is columnar.

In some embodiments, the support seat is provided with a mounting hole for mounting the support part, the mounting hole is a threaded hole, and the support part is in threaded connection with the mounting hole.

In some embodiments, the support mechanism includes at least two support portions, and the support portions are distributed about the periphery of the first end at a location where the load bearing assembly is supported.

In some embodiments, each of the support portions is symmetrically disposed with respect to the first end.

In some embodiments, the support portion is in a locked connection with the load bearing assembly.

In some embodiments, a lock hole is formed at an end of the supporting portion corresponding to the bearing assembly, and a locking piece locked with the lock hole is arranged on the bearing assembly, so that the supporting seat and the bearing assembly clamp the first end.

In some embodiments, the weighing sensor comprises a second end opposite to the first end, the weighing device further comprises a base for mounting the second end, and a locking plate for locking the second end in a pressing mode is arranged on the base.

A transfer robot comprising the weighing device.

The carrying robot and the weighing device thereof have the following beneficial effects: the supporting mechanism forms a reinforced effect on the support of the weighing sensor, and the stability of the whole weighing module is improved by increasing the size of the supporting surface of the weighing module and the supporting component under the condition that the weighing sensor is not replaced. At this time, the force transmitted to the weighing sensor by the bearing component through the supporting mechanism is the gravity to be weighed, and the weighing precision cannot be influenced.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic structural view of a transfer robot in an embodiment of the present utility model;

FIG. 2 is a schematic view of a weighing apparatus of the transfer robot of FIG. 1;

FIG. 3 is a schematic view of the weighing module of FIG. 2;

fig. 4 is a schematic cross-sectional view of the weighing apparatus of fig. 2.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings.

As shown in fig. 1, a transfer robot in a preferred embodiment of the present utility model includes a chassis 1, a fork 2, a lifting mechanism 3, and a plurality of temporary storage backbaskets 4, wherein the fork 2 and the lifting mechanism 3 are disposed on the chassis 1, the plurality of temporary storage backbaskets 4 are arranged along a height direction of the lifting mechanism 3, the chassis 1 is responsible for driving the robot to drive the robot to move, the lifting mechanism 3 is responsible for lifting the fork 2 to pick and place goods on different shelves or temporary storage backbaskets 4, and the fork 2 is responsible for taking a container from the shelf or temporary storage backbasket 4 or placing the container into the shelf or temporary storage backbasket 4. The weighing module 5 is arranged at the lower side of the lowest temporary storage pack basket 4, and the robot weighs when taking out a container from a goods shelf and putting the container into the temporary storage pack basket 4.

The lowest temporary storage pack basket 4 is used as a bearing assembly 41, the goods box is placed, the bearing assembly 41 comprises a stainless steel pack basket 411 and a pack basket reinforcing plate 412, the stainless steel pack basket 411 is arranged on the pack basket reinforcing plate 412, the pack basket reinforcing plate 412 is an aluminum plate, and the stainless steel pack basket 411 is arranged on the aluminum plate so that the stainless steel pack basket 411 cannot deform in the use process.

As shown in connection with fig. 2 to 3, the load bearing assembly 41 and the weighing module 5 constitute a weighing device of a transfer robot, and further, the weighing module 5 is mounted at the bottom of the load bearing assembly 41. The weighing module 5 comprises a weighing sensor 51 and a supporting mechanism 52, wherein the weighing sensor 51 comprises a first end 511 connected with the bearing assembly 41, the supporting mechanism 52 is arranged at the first end 511 and supports the bearing assembly 41, and supporting points of the supporting mechanism 52 are located at the periphery of the supporting position of the first end 511 on the bearing assembly 41.

The supporting mechanism 52 has a reinforcing effect on the supporting of the weighing sensor 51, and the stability of the whole weighing module 5 is improved by increasing the size of the supporting surface of the weighing module 5 and the bearing assembly 41 under the condition that the weighing sensor 51 is not replaced. The force transmitted to the weighing sensor 51 by the bearing assembly 41 through the supporting mechanism 52 is the gravity to be weighed, and the weighing precision is not affected. The improved weighing device can adjust the supporting point of the supporting mechanism 52 according to the size of the container, can be applied to a large container weighing device, is not limited by the size of the container, and does not need to worry about unstable structure caused by larger external dimension of the bearing component 41 when a sensor with higher cost performance is used.

In some embodiments, the support mechanism 52 includes a support base 521 mounted at the first end 511 and a support portion 522 disposed on the support base 521, the support portion 522 supporting the load bearing assembly 41 to increase the size of the support surface of the load bearing assembly 41 to increase the stability of the entire weighing module 5.

Preferably, the supporting seat 521 is provided with a mounting hole for mounting the supporting portion 522, the mounting hole is a threaded hole, and the supporting portion 522 is screwed with the mounting hole. Further, the supporting portion 522 is in locking connection with the bearing assembly 41, so that both ends of the supporting portion 522 are fixed, and stability is improved.

In some embodiments, the support portion 522 has a locking hole at an end corresponding to the bearing member 41, and the bearing member 41 has a locking member locked with the locking hole, so that the support base 521 and the bearing member 41 clamp the first end 511. The positioning support mechanism 52 is mounted by using the lower surface of the load cell 51, so that the support part 522 is added to support the load cell 51 without affecting the weighing precision of the load cell 51.

The support 522 is fixed at both ends, and a stable support can be formed at the periphery of the first end 511. In other embodiments, the upper and lower sides of the first end 511 may be respectively connected to the bearing assembly 41 and the supporting mechanism 52 by a locking member, so that the supporting seat 521 is fixed to the lower side of the first end 511, and the supporting portion 522 may be unlocked from the bearing assembly 41.

In this embodiment, the supporting portion 522 has a columnar shape, and two ends thereof respectively abut against the bearing member 41 and the supporting seat 521. In other embodiments, the supporting portion 522 may be in a block shape, or may extend from the supporting seat 521 to the load bearing assembly 41 in a direction away from the load cell 51, so as to form a triangular support for the load bearing assembly 41.

Further, the supporting mechanism 52 includes four supporting portions 522 distributed at the periphery of the supporting position of the first end 511 on the bearing assembly 41, preferably at four corners of the supporting position of the first end 511 on the bearing assembly 41, so as to make the supporting force more balanced. Of course, the number of the supporting portions 522 may be two or more other numbers, and the supporting portions may be symmetrically distributed to form a smooth supporting. The support portion 522 may form a point-like support when the head portion corresponding to the load bearing member 41 is small, and may form a planar support when the head portion corresponding to the load bearing member 41 is large. In this embodiment, the supporting portions 522 are symmetrically distributed with respect to the first end 511, so that the supporting force is more stable and balanced, and the measurement is more accurate.

Further, the load cell 51 includes a second end 512 opposite the first end 511, and the weighing apparatus further includes a base 6 to which the second end 512 is mounted, the base 6 being connectable with the lifting mechanism 3 for supporting positioning. In this embodiment, the base 6 is provided with a locking plate 61 for pressing and locking the second end 512, so as to strengthen and fix the second end 512 of the load cell 51, and prevent the second end 512 of the load cell 51 from overturning.

It will be appreciated that the above technical features may be used in any combination without limitation.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. A weighing apparatus of a transfer robot, comprising:

a load bearing assembly (41) for placing the cargo box;

the weighing module (5) is installed the bottom of bearing component (41), weighing module (5) include weighing sensor (51), supporting mechanism (52), weighing sensor (51) include with first end (511) that bearing component (41) are connected, supporting mechanism (52) are installed first end (511), and right bearing component (41) support, just the supporting point of supporting mechanism (52) is located first end (511) are right bearing component (41) supporting position's periphery.

2. The weighing device of a transfer robot according to claim 1, characterized in that the support mechanism (52) comprises a support base (521) mounted at the first end (511) and a support part (522) provided on the support base (521), the support part (522) supporting the load bearing assembly (41).

3. The weighing device of a transfer robot according to claim 2, characterized in that the support (522) is columnar.

4. The weighing device of a transfer robot according to claim 2, wherein the support base (521) is provided with a mounting hole for mounting the support part (522), the mounting hole is a threaded hole, and the support part (522) is screwed with the mounting hole.

5. The weighing device of a transfer robot according to claim 2, characterized in that the support means (52) comprise at least two support parts (522), and that the support parts (522) are distributed at the periphery of the support position of the first end (511) for the load bearing assembly (41).

6. The weighing device of a transfer robot according to claim 5, characterized in that each of the support parts (522) is symmetrically distributed with respect to the first end (511).

7. A weighing device of a transfer robot according to claim 2, characterized in that the support (522) is in a locking connection with the load bearing assembly (41).

8. The weighing device of a transfer robot according to claim 2, wherein a lock hole is formed at an end of the supporting portion (522) corresponding to the bearing assembly (41), and a locking member locked with the lock hole is formed on the bearing assembly (41), so that the supporting seat (521) and the bearing assembly (41) clamp the first end (511).

9. A weighing device of a transfer robot according to any one of claims 1-8, characterized in that the load cell (51) comprises a second end (512) opposite the first end (511), the weighing device further comprising a base (6) on which the second end (512) is mounted, the base (6) being provided with a locking plate (61) for press-locking the second end (512).

10. A transfer robot comprising a weighing apparatus according to any one of claims 1 to 9.