Lightweight hybrid robot base

Abstract

The utility model relates to the technical field of hybrid robots, and discloses a light-weight hybrid robot base which comprises a base body suitable for installing a robot body in a sliding mode, a driving mechanism used for driving the robot body to slide is arranged between the base body and the robot body, the driving mechanism comprises a motor, a lead screw and a nut, the motor is arranged on the base body, and the nut is arranged on the base body. One end of the lead screw is connected with the output end of the motor, the lead screw is driven by the motor to rotate, the lead screw is sleeved with the nut in a threaded mode, the nut is fixedly connected with the robot body, a plurality of hollowed-out cavity sets are arranged at the bottom of the base, each hollowed-out cavity set comprises a plurality of cavities, and a through groove is formed between every two adjacent cavities in a communicating mode. According to the light-weight series-parallel robot base, the hollowed-out cavity set is arranged, the weight of the base body can be reduced, and transportation and moving are convenient; and materials for casting can be reduced, and the manufacturing cost is reduced.

Description

Technical Field

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

[0002] Hybrid robots integrate the characteristics of serial robots and parallel robots, and have the advantages of high precision, large working space, strong load-bearing capacity, fast response speed, etc., providing an effective solution for the high-precision machining and manufacturing of large and complex structural parts. At present, they have been successfully applied in the fields of high-precision drilling and milling machining, friction stir welding of thick plates in space, and high-precision assembly in the fields of aerospace, rail transit, and automobile manufacturing. For some existing hybrid robots, although their machining precision is relatively high, the machining stroke of the robot body is limited, and it is necessary to cooperate with a base for sliding to perform machining.

[0003] Some existing hybrid robots include a base and a robot body that can slide relative to the base, and the machining position is adjusted by the sliding of the robot body to achieve machining at different positions. However, for some existing hybrid robots, the base is relatively heavy, which is not convenient for transportation and relocation. Summary of the Utility Model

[0004] To solve at least one of the above problems, the utility model provides a lightweight base of a hybrid robot, including: a seat body adapted to slidably mount the robot body, a driving mechanism for driving the robot body to slide is arranged between the seat body and the robot body, the driving mechanism includes a motor, a lead screw, and a nut, the motor is arranged on the seat body, one end of the lead screw is connected to the output end of the motor, the lead screw is rotated by the motor, the nut is threadedly sleeved on the lead screw, the nut is fixedly connected to the robot body, and a plurality of hollow cavity groups are arranged at the bottom of the seat body, each hollow cavity group includes a plurality of cavities, and a through groove is communicated between two adjacent cavities; the lightweight base of the hybrid robot of the utility model is provided with hollow cavity groups, which can reduce the weight of the seat body, facilitate transportation and relocation, and can also save the materials used in casting and reduce the manufacturing cost.

[0005] Optionally, the hollow cavity group is in a "field" shape, the cavity is a square cavity with an opening downward, and each hollow cavity group includes four cavities.

[0006] Optionally, the cavity is divided into a first cavity, a second cavity, a third cavity and a fourth cavity; the horizontal direction includes a first horizontal direction and a second horizontal direction that are perpendicular to each other, in the first horizontal direction, the first cavity and the second cavity are adjacent and connected by a first through groove, and the third cavity and the fourth cavity are adjacent and connected by a second through groove; in the second horizontal direction, the first cavity and the third cavity are adjacent and connected by a third through groove, and the second cavity and the fourth cavity are adjacent and connected by a fourth through groove.

[0007] Optionally, the first through slot, the second through slot, the third through slot and the fourth through slot are all square slots.

[0008] Optionally, the plurality of hollow cavity groups are distributed in a rectangular array, a plurality of the hollow cavity groups are distributed along the first horizontal direction, and a plurality of the hollow cavity groups are distributed along the second horizontal direction.

[0009] Optionally, in the first horizontal direction, a first widening plate is arranged between two adjacent hollow cavity groups; in the second horizontal direction, a second widening plate is arranged between two adjacent hollow cavity groups; the first widening plate and the second widening plate are both formed on the lower side of the seat body.

[0010] Optionally, in the first horizontal direction, a fifth through groove and a sixth through groove are connected between two adjacent hollow cavity groups; in the second horizontal direction, a seventh through groove and an eighth through groove are connected between two adjacent hollow cavity groups.

[0011] Optionally, a fixing block is integrally provided on the base body, a reinforcing block is integrally connected between the base body and the fixing block, a first bolt hole for installing a bolt is provided on the fixing block, a side cavity with a lateral opening is provided on the base body, and a second bolt hole for installing a bolt is provided through the inner bottom of the side cavity.

[0012] Optionally, the seat body is a metal casting.

[0013] Optionally, the robot body is a hybrid robot body.

[0014] Compared with the prior art, the utility model lightweight hybrid robot base is provided with a hollow cavity group, which can reduce the weight of the base body and facilitate transportation and movement; it can also save the materials used for casting and reduce the manufacturing cost; the first through groove, the second through groove, the third through groove and the fourth through groove are all square grooves, which are simple in structure and easy to manufacture; the first widened plate and the second widened plate are both formed on the lower side of the base body, and the first widened plate and the second widened plate are used to further increase the structural strength, and the contact area with the ground / installation surface can also be increased, and the placement is more stable; in the first horizontal direction, the fifth through groove and the sixth through groove are connected between the two adjacent hollow cavity groups; in the second horizontal direction, the seventh through groove and the eighth through groove are connected between the two adjacent hollow cavity groups, and the number of through grooves is increased, which further reduces the weight of the base body and saves materials; a fixing block is integrally provided on the base body, and a reinforcing block is integrally connected between the base body and the fixing block, and the reinforcing block is triangular, which increases the structural strength and makes the installation more stable; a side cavity with a lateral opening is provided on the base body, and a second bolt hole for installing bolts is provided through the inner bottom of the side cavity, and the side cavity can reduce weight and save materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a three-dimensional diagram of the utility model lightweight hybrid robot base when the robot body is installed;

[0016] Figure 2 It is a structural schematic diagram of the bottom of the seat body of the utility model;

[0017] Figure 3 for Figure 2 Enlarged view of part A in the middle;

[0018] Figure 4 It is a structural schematic diagram of the fixed block part of the utility model;

[0019] Figure 5 It is a structural schematic diagram of the driving mechanism part of the utility model;

[0020] The corresponding component names of the various figure marks in the figure are: 1 is the seat body, 2 is the motor, 3 is the screw rod, 4 is the nut, 5 is the hollow cavity group, 501 is the first widened plate, 502 is the second widened plate, 51 is the cavity, 511 is the first cavity, 512 is the second cavity, 513 is the third cavity, 514 is the fourth cavity, 61 is the first through slot, 62 is the second through slot, 63 is the third through slot, 64 is the fourth through slot, 65 is the fifth through slot, 66 is the sixth through slot, 67 is the seventh through slot, 68 is the eighth through slot, 7 is the fixed block, 701 is the reinforcement block, 702 is the first bolt hole, 8 is the side cavity, 801 is the second bolt hole, 9 is the wall body, 10 is the robot body, and 11 is the sliding frame. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and understandable, the specific embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0022] In the description of the present invention, it should be understood that the terms "upper" and "lower" and the like indicate positions or location relationships that are based on the positions or location relationships when the product is in normal use.

[0023] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features.

[0024] See also Figure 1-Figure 5 The embodiment of the utility model provides a lightweight hybrid robot base, including: a seat body 1 suitable for slidingly installing a robot body 10, a driving mechanism for driving the robot body 10 to slide is arranged between the seat body 1 and the robot body 10, and the driving mechanism includes a motor 2, a screw rod 3 and a nut 4. The motor 2 is arranged on the seat body 1, one end of the screw rod 3 is connected to the output end of the motor 2, and the screw rod 3 is driven to rotate by the motor 2. The nut 4 is threadedly sleeved on the screw rod 3, and the nut 4 is fixedly connected to the robot body 10. A sliding frame 11 is fixedly connected between the nut 4 and the robot body 10, and the side end of the sliding frame 11 is connected to the nut 4 by bolts, and the upper end of the sliding frame 11 is connected to the robot body 1 0 is connected at the bottom by bolts; the motor 2 drives the screw rod 3 to rotate, thereby driving the nut 4 and the robot body 10 to slide along the axial direction of the screw rod 3; a plurality of hollow cavity groups 5 are arranged at the bottom of the seat body 1, and the hollow cavity group 5 includes a plurality of cavities 51, and a through groove is connected between two adjacent cavities 51. Under the condition of ensuring that the length, width and height of the seat body 1 are sufficient, the weight of the seat body 1 is greatly reduced, and a wall body 9 is also arranged between the plurality of cavities, and the structural strength is increased by this part of the wall body, so that the seat body 1 is not easy to deform; the utility model lightweight hybrid robot base is provided with a hollow cavity group, which can reduce the weight of the seat body, facilitate transportation and movement; and can also save the materials used for casting and reduce the manufacturing cost.

[0025] See also Figure 2-Figure 5, the hollow cavity group 5 is in the shape of a Chinese character 'tian' (field). The cavity 51 is a square cavity with an opening facing downwards. Each hollow cavity group 5 includes four cavities 51, and the four cavities 51 are distributed in a tian shape; the cavity 51 is divided into a first cavity 511, a second cavity 512, a third cavity 513, and a fourth cavity 514; the horizontal direction includes a first horizontal direction and a second horizontal direction that are perpendicular to each other. The first horizontal direction is the X-axis direction, the second horizontal direction is the Y-axis direction, and the Z-axis is the direction perpendicular to the horizontal plane; in the first horizontal direction, the first cavity 511 and the second cavity 512 are adjacent and connected by a first through groove 61, and the third cavity 513 and the fourth cavity 514 are adjacent and connected by a second through groove 62; in the second horizontal direction, the first cavity 511 and the third cavity 513 are adjacent and connected by a third through groove 63, and the second cavity 512 and the fourth cavity 514 are adjacent and connected by a fourth through groove 64. The structural design is reasonable. By setting multiple through grooves, the weight can be reduced and materials can be saved. It should be noted that according to different requirements for the structural strength of different robot seat bodies, the through grooves can be set to different sizes. The larger the through grooves are set, the lighter the mass of the seat body; the first through groove 61, the second through groove 62, the third through groove 63, and the fourth through groove 64 are all square grooves, with a simple structure and easy to manufacture.

[0026] Refer to Figure 2-Figure 4 , multiple hollow cavity groups 5 are distributed in a rectangular array. The hollow cavity groups 5 are distributed in several groups along the first horizontal direction, and the hollow cavity groups 5 are distributed in several groups along the second horizontal direction. In this embodiment, the hollow cavity groups 5 are distributed in a 3×2 rectangular array; in the first horizontal direction, a first widening plate 501 is provided between two adjacent hollow cavity groups 5; in the second horizontal direction, a second widening plate 502 is provided between two adjacent hollow cavity groups 5; both the first widening plate 501 and the second widening plate 502 are formed on the lower side of the seat body 1. By the first widening plate 501 and the second widening plate 502, the structural strength is further increased, and the contact area with the ground / mounting surface can also be increased, making the placement more stable; in the first horizontal direction, a fifth through groove 65 and a sixth through groove 66 are connected between two adjacent hollow cavity groups 5; in the second horizontal direction, a seventh through groove 67 and an eighth through groove 68 are connected between two adjacent hollow cavity groups 5, increasing the number of through grooves to further reduce the weight of the seat body and save materials.

[0027] Refer to Figure 1-Figure 4A fixing block 7 is integrally provided on the base body 1, and a reinforcing block 701 is integrally connected between the base body 1 and the fixing block 7. The reinforcing block 701 is triangular in shape, which increases the structural strength and makes the installation more stable; a first bolt hole 702 for installing a bolt is provided on the fixing block 7, and a side cavity 8 with a lateral opening is provided on the base body 1. A second bolt hole 801 for installing a bolt is provided through the inner bottom of the side cavity 8. The side cavity can reduce weight and save materials. During installation, the base body is fixed to the ground or the mounting surface by bolts, and the ground or the mounting surface is provided with internal threaded holes corresponding to the first bolt hole 702 and the second bolt hole 801; the base body 1 is a metal casting, and the casting production cost is relatively low; the robot body 10 is a hybrid robot body.

[0028] The utility model discloses a lightweight hybrid robot base, which is provided with a hollow cavity group, can reduce the weight of the base body, and is convenient for transportation and moving; it can also save the materials used for casting and reduce the manufacturing cost; the first through groove, the second through groove, the third through groove and the fourth through groove are all square grooves, which are simple in structure and easy to manufacture; the first widened plate and the second widened plate are both formed on the lower side of the base body, and the first widened plate and the second widened plate are used to further increase the structural strength, and the contact area with the ground / installation surface can also be increased, so that the placement is more stable; in the first horizontal direction, the fifth through groove and the sixth through groove are connected between two adjacent hollow cavity groups; in the second horizontal direction, the seventh through groove and the eighth through groove are connected between two adjacent hollow cavity groups, and the number of through grooves is increased, so as to further reduce the weight of the base body and save materials; a fixing block is integrally provided on the base body, and a reinforcing block is integrally connected between the base body and the fixing block, and the reinforcing block is triangular in shape, so as to increase the structural strength and make the installation more stable; a side cavity with a lateral opening is provided on the base body, and a second bolt hole for installing bolts is provided through the inner bottom of the side cavity, and the side cavity can reduce weight and save materials.

[0029] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A lightweight hybrid robot base, characterized in that: Comprising: A base (1) adapted for slidably mounting a robot body (10), a driving mechanism for driving the robot body (10) to slide is provided between the base (1) and the robot body (10), the driving mechanism includes a motor (2), a lead screw (3) and a nut (4), the motor (2) is disposed on the base (1), one end of the lead screw (3) is connected to the output end of the motor (2), the lead screw (3) is rotated by the motor (2), the nut (4) is threadedly sleeved on the lead screw (3), the nut (4) is fixedly connected to the robot body (10), and a plurality of hollow cavity groups (5) are provided at the bottom of the base (1), the hollow cavity group (5) includes a plurality of cavities (51), and a through groove is communicated between adjacent two of the cavities (51).

2. The lightweight hybrid robot base according to claim 1, characterized in that: The hollow cavity group (5) is in a "field" shape, the cavity (51) is a square cavity with an opening downward, and each hollow cavity group (5) includes four of the cavities (51).

3. The lightweight hybrid robot base according to claim 2, characterized in that: The cavity (51) is divided into a first cavity (511), a second cavity (512), a third cavity (513) and a fourth cavity (514); the horizontal direction includes a first horizontal direction and a second horizontal direction perpendicular to each other. In the first horizontal direction, the first cavity (511) and the second cavity (512) are adjacent and communicated with a first through groove (61), the third cavity (513) and the fourth cavity (514) are adjacent and communicated with a second through groove (62); in the second horizontal direction, the first cavity (511) and the third cavity (513) are adjacent and communicated with a third through groove (63), and the second cavity (512) and the fourth cavity (514) are adjacent and communicated with a fourth through groove (64).

4. The lightweight hybrid robot base according to claim 3, characterized in that: The first through groove (61), the second through groove (62), the third through groove (63) and the fourth through groove (64) are all square grooves.

5. The lightweight hybrid robot base according to claim 3, characterized in that: A plurality of the hollow cavity groups (5) are distributed in a rectangular array, and a plurality of groups of the hollow cavity groups (5) are distributed in the first horizontal direction, and a plurality of groups of the hollow cavity groups (5) are distributed in the second horizontal direction.

6. The lightweight hybrid robot base according to claim 5, characterized in that: In the first horizontal direction, a first widening plate (501) is provided between adjacent two of the hollow cavity groups (5); in the second horizontal direction, a second widening plate (502) is provided between adjacent two of the hollow cavity groups (5); the first widening plate (501) and the second widening plate (502) are both formed on the lower side of the base (1).

7. The lightweight hybrid robot base according to claim 6, characterized in that: In the first horizontal direction, a fifth through groove (65) and a sixth through groove (66) are communicated between adjacent two of the hollow cavity groups (5); in the second horizontal direction, a seventh through groove (67) and an eighth through groove (68) are communicated between adjacent two of the hollow cavity groups (5).

8. The lightweight hybrid robot base according to claim 1, characterized in that: The seat body (1) is integrally provided with a fixing block (7), a reinforcing block (701) is integrally connected between the seat body (1) and the fixing block (7), a first bolt hole (702) for mounting a bolt is provided on the fixing block (7), a side cavity (8) with a lateral opening is provided on the seat body (1), and a second bolt hole (801) for mounting a bolt is provided through the inner bottom of the side cavity (8).

9. The lightweight hybrid robot base according to claim 1, characterized in that: The seat body (1) is a metal casting.

10. The lightweight hybrid robot base according to any one of claims 1 to 9, characterized in that: The robot body (10) is a hybrid robot body.

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