A rotation drive structure for a robot

Abstract

This utility model discloses a rotation drive structure for a robot, including a six-axis robot body, and further comprising: a flip plate disposed on the base of the six-axis robot body; a first slider and a second slider slidably disposed on the base; a motor disposed on the first slider, with a worm gear disposed at the output end of the motor; the worm gear being rotatably connected to the second slider; and a positioning part disposed opposite to the base. The rotation drive structure for the robot provided by this utility model allows the flip plate to be rotated open, separating the positioning plate from the second slider via threaded transmission, thus removing the positioning plate from the positioning part's limiting engagement. At this time, the worm gear can slide along the length of the base via the first and second sliders. After the sliding stroke ends, the worm gear is completely separated from the worm wheel. This device allows the worm gear to slide and separate from the worm wheel, making operation convenient and allowing for subsequent grease application without spatial limitations.

Description

Technical Field

[0001] This utility model relates to the field of robot technology, and more specifically to a rotation drive structure for a robot. Background Technology

[0002] As is generally known, robots are classified into five-axis, six-axis, and seven-axis types. Among them, a six-axis industrial robot is a process testing instrument used in the fields of engineering and technology related to natural sciences. A six-axis robot contains six rotary joints and achieves translation and rotation in three-dimensional space through independent drive. It belongs to one of the multi-degree-of-freedom robots.

[0003] The operation process of a six-axis robot includes pre-start equipment checks, equipment self-checks after power-on, setting robot parameters, and running experiments. After the robot program finishes running, the robot automatically returns to its origin. Then, the robot body power is turned off first, and then the main power of the control cabinet is disconnected.

[0004] The aforementioned six-axis robot's base is driven to rotate via a worm gear and worm wheel meshing at the motor output end. During the robot's long-term rotational operation, it is necessary to periodically apply grease to the tooth surfaces of the meshing worm gear and worm wheel. However, the limited space between the meshing worm gear and worm wheel makes it inconvenient to apply grease to the tooth surfaces, which brings certain shortcomings to the robot. Utility Model Content

[0005] In view of the above-mentioned problems existing in the prior art, one aspect of the purpose of this utility model is to provide a rotation drive structure for a robot to solve the above-mentioned shortcomings of the prior art.

[0006] To achieve the above objectives, this utility model provides a rotation drive structure for a robot, comprising a six-axis robot body, and further comprising: a flip plate disposed on the base of the six-axis robot body; a first slider and a second slider slidably disposed on the base; a motor disposed on the first slider, the output end of the motor being provided with a worm gear; the worm gear being rotatably connected to the second slider; a positioning part disposed opposite to the base; and a positioning plate threadedly connected to the second slider and limitingly engaged with the positioning part.

[0007] Preferably, the positioning disk is provided with a rotating component.

[0008] Preferably, the second slider has a threaded groove that engages with the threaded part of the rotating component.

[0009] Preferably, the positioning disk has a second protrusion disposed opposite to each other, and each second protrusion is specifically a rectangular structure.

[0010] Preferably, each of the positioning portions is provided with a limiting portion that engages with each of the second protrusions.

[0011] Preferably, the base is provided with slide rails, and the first slider and the second slider are slidably engaged with each of the slide rails.

[0012] Preferably, the flip plate is provided with protruding rods facing each other, and the base is provided with slots that are adapted to each of the protruding rods.

[0013] Preferably, each of the slots is provided with a first protrusion that abuts against each of the protruding rods.

[0014] Preferably, the base is also provided with a worm wheel that meshes with the worm gear for transmission.

[0015] Preferably, the base has a through groove, the flap has an overall L-shaped structure, and the flap is adapted to the through groove.

[0016] In the above technical solution, the robot rotation drive structure provided by this utility model has the following beneficial effects: When it is necessary to separate the worm and worm wheel, the flap is first rotated open, and then the positioning disk is separated from the second slider threaded drive, so that the positioning disk is no longer in limiting engagement with the positioning part, such as... Figure 3 As shown in the diagram, the worm can slide along the length of the base via the first and second sliders, as follows. Figure 4 As shown in the diagram, after the sliding stroke ends, the worm is completely separated from the worm wheel. This device can slide the worm to separate it from the worm wheel, making it easy to operate. This allows for subsequent grease application without spatial constraints, reducing or even eliminating the need to periodically apply grease to the tooth surfaces of the meshing worm and worm wheel, which is inconvenient for applying grease during meshing due to space limitations. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the overall structure of this utility model from another perspective;

[0020] Figure 3 This is a partially enlarged exploded view of the positioning disc and base of this utility model.

[0021] Figure 4 This is a partially enlarged structural diagram of the worm gear after it moves according to this utility model;

[0022] Figure 5 This is a schematic diagram of the motor structure of this utility model;

[0023] Figure 6 This is a partially enlarged structural diagram of the flap and the first protrusion of this utility model when they abut against each other;

[0024] Figure 7 This is a partially enlarged exploded structural diagram of the motor and base of this utility model.

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Six-axis robot body; 2. Motor; 3. Flip plate; 4. Positioning plate; 5. Locking hole; 1.1. Slide rail; 1.2. Positioning part; 1.3. Limiting part; 1.4. Slot; 1.5. First protrusion; 2.1. First slider; 2.2. Worm gear; 2.3. Second slider; 4.1. Rotating component; 4.2. Second protrusion. Detailed Implementation

[0027] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings.

[0028] Please see Figure 1-7 A rotation drive structure for a robot is proposed to address the problem that in a six-axis robot, the rotation is driven by a worm gear and worm wheel meshing at the motor output end within the robot's base. During long-term rotational operation, the tooth surfaces of the meshing worm gear and worm wheel need to be lubricated periodically. However, the limited space between the meshing worm gear and worm wheel makes it inconvenient to apply grease to the tooth surfaces, which poses a certain disadvantage to the robot.

[0029] As a further technical solution proposed in this utility model, the six-axis robot body 1 includes: a flip plate 3, which is disposed on the base of the six-axis robot body 1; a first slider 2.1 and a second slider 2.3 are slidably disposed on the base; a motor 2, which is disposed on the first slider 2.1, and a worm gear 2.2 is disposed at the output end of the motor 2; the worm gear 2.2 is rotatably connected to the second slider 2.3; a positioning part 1.2, which is disposed opposite to the base; and a positioning disk 4, which is threadedly connected to the second slider 2.3 and has a limiting engagement with the positioning part 1.2. Specifically, when it is necessary to separate the worm gear 2.2 from the worm wheel, the flip plate 3 is first rotated open, and then the positioning disk 4 is threadedly separated from the second slider 2.3, so that the positioning disk 4 is no longer limitedly engaged with the positioning part 1.2. Figure 3 As shown in the diagram, the worm 2.2 can then slide along the length of the base via the first slider 2.1 and the second slider 2.3, as... Figure 4As shown in the diagram, after the sliding stroke ends, the worm 2.2 is completely separated from the worm wheel. This device can slide the worm 2.2 to separate it from the worm wheel, making operation convenient. This allows for subsequent grease application without spatial constraints, reducing or even eliminating the need to periodically apply grease to the tooth surfaces of the meshing worm and worm wheel. In meshing, the space constraints of the worm and worm wheel make it inconvenient to apply grease to their tooth surfaces.

[0030] In another embodiment of this utility model, a rotating component 4.1 is rotatably mounted on the positioning disk 4, and a threaded groove is formed on the second slider 2.3 that engages with the rotating component 4.1. Furthermore, by rotating 4.1 and disengaging the second slider 2.3 from the threaded connection, the positioning disk 4 is no longer engaged with the positioning part 1.2. Figure 3 The status is as shown.

[0031] To improve the stability of the positioning disk 4 when it engages with the positioning part 1.2, in another embodiment of this utility model, the positioning disk 4 is provided with a second protrusion 4.2, each of the second protrusions 4.2 being a rectangular structure. Each positioning part 1.2 is provided with a limiting part 1.3 that engages with each of the second protrusions 4.2. Furthermore, during the threaded connection between the rotating part 4.1 on the positioning disk 4 and the second slider 2.3, the positioning disk 4 slides into the positioning part 1.2 through the engagement of the second protrusions 4.2 and the limiting part 1.3. The engagement of the second protrusions 4.2 and the limiting part 1.3 serves to limit the positioning disk 4.

[0032] In another embodiment of this utility model, slide rails 1.1 are arranged opposite each other on the base, and the first slider 2.1 and the second slider 2.3 slide in cooperation with each slide rail 1.1. Further, as... Figure 4 As shown in the diagram, the opening on the base is provided with a slide rail 1.1. The first slider 2.1 and the second slider 2.3 are slidably engaged with their respective slide rails 1.1. The two sliders are slidably engaged with the slide rails 1.1 to later slide the worm gear 2.2 on the motor 2, so that it is separated from the worm wheel.

[0033] To improve the stability of the worm gear 2.2 on motor 2 when meshing with the worm wheel, such as Figure 7 As shown in the figure, in another embodiment of the present invention, the motor 2 is provided with through holes at the four corners, and the base is provided with locking holes 5 that are adapted to each through hole. When the worm 2.2 on the output end of the motor 2 meshes with the worm wheel, the through holes and locking holes 5 correspond to each other and can be threadedly connected to the locking holes 5 by bolts (not shown in the figure) passing through the through holes, thereby further fixing the motor 2 and improving its stability during operation.

[0034] In another embodiment of this utility model, the flip plate 3 is provided with protruding rods, and the base is provided with slots 1.4 that are adapted to each protruding rod. Each slot 1.4 is provided with a first protrusion 1.5 that abuts against each protruding rod. A through groove is provided on the base. The flip plate 3 is generally L-shaped, and the flip plate 3 is adapted to the through groove. Further, as... Figure 6 As shown in the diagram, during the process of the flip plate 3 flipping and engaging with the slot 1.4, it will abut against the first protrusion 1.5 inside the slot until the flip plate 3 rotates and engages with the slot 1.4. Similarly, when the flip plate 3 flips and separates from the slot 1.4, it will again abut against the first protrusion 1.5 until it rotates out of the slot 1.4. Figure 4 The status is as shown.

[0035] In another embodiment of this utility model, the base is further provided with a worm wheel that meshes with the worm 2.2 for transmission; further, as... Figure 3 and Figure 4 As shown in the diagram, the six-axis robot is driven to rotate through the meshing and transmission between the worm gear 2.2 fixedly installed on the output end of motor 2 and the worm wheel. This is existing technology and will not be described in detail.

[0036] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A rotation drive structure for a robot, comprising a six-axis robot body (1), characterized in that, Also includes: Flip-up plate (3), which is set on the base of the six-axis robot body (1); The base is provided with a first slider (2.1) and a second slider (2.3) that slide relative to each other. The motor (2) is mounted on the first slider (2.1), and the output end of the motor (2) is provided with a worm gear (2.2). The worm gear (2.2) is rotatably connected to the second slider (2.3); A positioning part (1.2) is disposed opposite to the base; The positioning plate (4) is threadedly connected to the second slider (2.3) and is limited by the positioning part (1.2).

2. The rotation drive structure of the robot according to claim 1, characterized in that, The positioning disk (4) is rotatably equipped with a rotating component (4.1).

3. The rotation drive structure of the robot according to claim 2, characterized in that, The second slider (2.3) has a threaded groove that engages with the rotating part (4.1).

4. The rotation drive structure of the robot according to claim 1, characterized in that, The positioning disk (4) is provided with a second protrusion (4.2) opposite to each other, and each second protrusion (4.2) is specifically a rectangular structure.

5. The rotation drive structure of the robot according to claim 4, characterized in that, Each of the positioning portions (1.2) is provided with a limiting portion (1.3) that engages with each of the second protrusions (4.2).

6. The rotation drive structure of the robot according to claim 1, characterized in that, The base is provided with slide rails (1.1) opposite to each other, and the first slider (2.1) and the second slider (2.3) slide in cooperation with each of the slide rails (1.1).

7. The rotation drive structure of the robot according to claim 1, characterized in that, The flap (3) is provided with protruding rods, and the base is provided with slots (1.4) that are adapted to each of the protruding rods.

8. The rotation drive structure of the robot according to claim 7, characterized in that, Each of the slots (1.4) is provided with a first protrusion (1.5) that abuts against each of the protruding rods.

9. The rotation drive structure of the robot according to claim 1, characterized in that, The base is also provided with a worm wheel that meshes with the worm (2.2) for transmission.

10. The rotation drive structure of the robot according to claim 1, characterized in that, A through groove is provided on the base, and the flap (3) is in an L-shaped structure and is adapted to the through groove.

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