Mechanical arm for machining center

Abstract

The utility model relates to the technical field of mechanical arms, and discloses a mechanical arm for a machining center, which comprises a base and a mechanical arm, the mechanical arm is fixedly mounted on the base, a bottom plate is fixedly mounted at the bottom of the base, a moving mechanism is arranged on the bottom plate, the moving mechanism comprises a first device box and a limiting plate, and the first device box is fixedly mounted on the base. And the limiting plate is fixedly mounted in the first device box. When the position of the mechanical arm needs to be adjusted and moved, a worker can rotate a rotating handle to drive a threaded rod to rotate, so that an adjusting plate in threaded connection with the threaded rod can move downwards in a first device box, and rollers at the bottom of the adjusting plate are in contact with the ground; at the moment, a worker can push the mechanical arm to move, the purpose of adjusting the position of the mechanical arm is achieved, time and labor are saved, meanwhile, after position adjustment is completed, the rolling wheels are stored, the bottom plate makes contact with the ground, and therefore the using stability of the mechanical arm cannot be affected.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical arms, in particular to a mechanical arm used in a machining center. Background Art

[0002] A manipulator, also known as a mechanical arm, is an automatic tool that can imitate certain movements of human hands and arms and is used to grab, move objects or operate tools according to a fixed program. The manipulator is the earliest industrial robot and the earliest modern robot. It can replace heavy labor to achieve mechanization and automation of production. It can operate in harmful environments to protect personal safety and is mostly used in machining centers. Existing manipulators mainly replace workers on production lines to do simple and repetitive work, which can reduce labor intensity and improve labor efficiency.

[0003] For example, the patent with publication number CN204209700U discloses a mechanical arm, which includes a fixedly mounted base, on which a worm gear rotating mechanism is fixedly mounted, wherein one end of the worm is connected to a base servo motor mounted on the base, and the shaft center of the worm gear is connected to a large arm rotating seat that can rotate with the worm gear; the large arm rotating seat is connected to one end of a large arm through a raised hinge seat, and an arm servo motor is installed on one side of the hinge seat, and the arm servo motor is connected to the hinge shaft of the large arm end through a connected arm reduction mechanism, and the hinge shaft is supported on the hinge seat through a bearing; a small arm seat is installed at the other end of the large arm, and a motor gear box is installed on the small arm seat, the front end of the motor gear box is provided with a bowl center axis and serves as a small arm, and the rear end is provided with a center axis servo motor with a reducer connected to the gear transmission mechanism in the motor gear box; the front end of the bowl center axis is provided with a wrist rotating mechanism; it has the characteristics of reasonable and compact structure, convenient use, suitable for long-distance operation, high operational reliability, etc.

[0004] However, the existing robotic arms are generally large in size, and it is time-consuming and labor-intensive to adjust and move the position of the robotic arms, which affects the convenience of use. Therefore, a robotic arm for a machining center is proposed to solve the above problems. Utility Model Content

[0005] The utility model aims to provide a mechanical arm for a machining center to solve the above-mentioned problem.

[0006] To achieve the above object, the utility model provides the following technical solution: a mechanical arm for a machining center, comprising a base and a mechanical arm, the mechanical arm is fixedly mounted on the base, a bottom plate is fixedly mounted on the bottom of the base, and a moving mechanism is arranged on the bottom plate;

[0007] The moving mechanism includes a first device box and a limit plate, the limit plate is fixedly installed inside the first device box, a bearing is fixedly installed on the inner top wall of the first device box, a threaded rod is fixedly installed on the inner wall of the inner ring of the bearing, an adjustment plate is threadedly connected to the threaded rod, a wheel seat is fixedly installed on the bottom of the adjustment plate, and a roller is rotatably connected inside the wheel seat.

[0008] Preferably, an internal threaded hole is provided on the adjustment plate, and the threaded rod is threadedly connected to the inside of the internal threaded hole, and the position of the adjustment plate can be adjusted by rotating the threaded rod.

[0009] Preferably, a turning handle is fixedly installed on the upper end of the threaded rod, a mounting opening is opened on the base, and the first device box is fixedly installed inside the mounting opening. The setting of the turning handle can facilitate the staff to vibrate the threaded rod, and the setting of the mounting opening can facilitate the installation and fixation of the first device box.

[0010] Preferably, a second device box is fixedly installed on the base plate, and a fixing hole is opened at the bottom of the base plate. The number of the fixing holes is four, and the four fixing holes are respectively opened at the four corners of the bottom of the base plate. The setting of the fixing holes can facilitate the staff to fix the base plate on the ground.

[0011] Preferably, a limiting hole is provided on the first device box, a guide column is fixedly mounted on the upper surface of the adjustment plate, and the guide column passes through the interior of the limiting hole. The setting of the limiting hole and the guide column can limit the adjustment plate.

[0012] Preferably, there are two guide pillars, which are respectively fixedly mounted on the left end and the right end of the upper surface of the adjustment plate. The guide pillars can limit the adjustment plate, making the adjustment plate more stable.

[0013] The utility model provides a mechanical arm for a machining center, which has the following beneficial effects:

[0014] (1) When the position of the robot arm needs to be adjusted and moved, the staff can turn the handle to drive the threaded rod to rotate, so that the adjustment plate threadedly connected to the threaded rod can move downward inside the first device box, so that the roller at the bottom of the adjustment plate contacts the ground. At this time, the staff can push the robot arm to move, so as to achieve the purpose of adjusting the position of the robot arm, saving time and effort. At the same time, after the position adjustment is completed, the roller is stored so that the bottom plate contacts the ground, thereby not affecting the stability of the robot arm.

[0015] (2) The utility model can limit the adjustment plate by setting the limit hole and the guide column, so that the adjustment plate can move up and down more stably during adjustment, avoiding the problem of scratching between the adjustment plate and the inner wall of the first device box, and further improving the practicality of the robot arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the bottom structure of the utility model;

[0019] Figure 3 This is a schematic diagram of the internal structure of the first device box of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the adjustment plate of the utility model.

[0021] In the figure: 1. base; 2. moving mechanism; 201. first device box; 202. limit plate; 203. bearing; 204. threaded rod; 205. adjustment plate; 206. turning handle; 207. wheel seat; 208. roller; 209. internal threaded hole; 3. mechanical arm; 4. bottom plate; 5. limit hole; 6. guide column; 7. installation port; 8. fixing hole; 9. second device box. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Embodiment 1:

[0024] like Figure 1-4 As shown, the utility model provides a technical solution: a mechanical arm for a machining center, comprising a base 1 and a mechanical arm 3, the mechanical arm 3 is fixedly mounted on the base 1, a bottom plate 4 is fixedly mounted on the bottom of the base 1, and a moving mechanism 2 is arranged on the bottom plate 4;

[0025] The moving mechanism 2 includes a first device box 201 and a limit plate 202. The limit plate 202 is fixedly installed inside the first device box 201. A bearing 203 is fixedly installed on the inner top wall of the first device box 201. A threaded rod 204 is fixedly installed on the inner wall of the inner ring of the bearing 203. An adjustment plate 205 is threadedly connected to the threaded rod 204. A wheel seat 207 is fixedly installed on the bottom of the adjustment plate 205. A roller 208 is rotatably connected inside the wheel seat 207.

[0026] An internal threaded hole 209 is formed on the adjusting plate 205 , and the threaded rod 204 is threadedly connected inside the internal threaded hole 209 . The position of the adjusting plate 205 can be adjusted by rotating the threaded rod 204 .

[0027] A turning handle 206 is fixedly installed on the upper end of the threaded rod 204, and a mounting opening 7 is opened on the base 1. The first device box 201 is fixedly installed inside the mounting opening 7. The setting of the turning handle 206 can facilitate the staff to vibrate the threaded rod 204, and the setting of the mounting opening 7 can facilitate the installation and fixation of the first device box 201.

[0028] A second device box 9 is fixedly installed on the base plate 4. A fixing hole 8 is opened at the bottom of the base plate 4. There are four fixing holes 8, which are respectively opened at the four corners of the bottom of the base plate 4. The setting of the fixing holes 8 can facilitate the staff to fix the base plate 4 on the ground.

[0029] In this embodiment, when the position of the robotic arm needs to be adjusted and moved, the staff can rotate the handle 206 to drive the threaded rod 204 to rotate, so that the adjustment plate 205 threadedly connected to the threaded rod 204 can move downward inside the first device box 201, so that the roller 208 at the bottom of the adjustment plate 205 contacts the ground. At this time, the staff can push the robotic arm to move, so as to achieve the purpose of adjusting the position of the robotic arm, saving time and effort. At the same time, after the position adjustment is completed, the roller 208 is stored so that the bottom plate 4 contacts the ground, thereby not affecting the stability of the use of the robotic arm.

[0030] Embodiment 2:

[0031] like Figure 1-4 As shown, based on the first embodiment, the utility model provides a technical solution: a limiting hole 5 is opened on the first device box 201, and a guide column 6 is fixedly installed on the upper surface of the adjustment plate 205, and the guide column 6 passes through the interior of the limiting hole 5. The setting of the limiting hole 5 and the guide column 6 can play a limiting role on the adjustment plate 205.

[0032] There are two guide pillars 6, which are respectively fixedly mounted on the left end and the right end of the upper surface of the adjustment plate 205. The guide pillars 6 can limit the adjustment plate 205, making the adjustment plate 205 more stable.

[0033] In this embodiment, the setting of the limiting hole 5 and the guide column 6 can play a limiting role on the adjustment plate 205, so that the adjustment plate 205 can move up and down more stably during adjustment, avoiding scratches between the adjustment plate 205 and the inner wall of the first device box 201, and further improving the practicality of the robotic arm.

[0034] During use, when the position of the mechanical arm needs to be adjusted and moved, the staff can turn the handle 206 to drive the threaded rod 204 to rotate, so that the adjustment plate 205 threadedly connected to the threaded rod 204 can move downward inside the first device box 201, so that the roller 208 at the bottom of the adjustment plate 205 contacts the ground. At this time, the staff can push the mechanical arm to move, so as to achieve the purpose of adjusting the position of the mechanical arm, saving time and effort. At the same time, after the position adjustment is completed, the roller 208 is stored so that the bottom plate 4 contacts the ground, thereby not affecting the stability of the use of the mechanical arm; the setting of the limiting hole 5 and the guide column 6 can play a limiting role on the adjustment plate 205, so that the adjustment plate 205 can move up and down more stably during adjustment, avoiding the adjustment plate 205 and the inner wall of the first device box 201 from scratching, and further improving the practicality of the mechanical arm.

Claims

1. A mechanical arm for a machining center, comprising a base (1) and a mechanical arm (3), characterized in that: The mechanical arm (3) is fixedly mounted on a base (1); a bottom plate (4) is fixedly mounted on the bottom of the base (1); and a moving mechanism (2) is arranged on the bottom plate (4); The moving mechanism (2) comprises a first device box (201) and a limiting plate (202), wherein the limiting plate (202) is fixedly mounted inside the first device box (201), a bearing (203) is fixedly mounted on the inner top wall of the first device box (201), a threaded rod (204) is fixedly mounted on the inner wall of the inner ring of the bearing (203), an adjustment plate (205) is threadedly connected to the threaded rod (204), a turning handle (206) is fixedly mounted on the upper end of the threaded rod (204), a mounting opening (7) is provided on the base (1), and the first The device box (201) is fixedly installed inside the installation opening (7); a limiting hole (5) is provided on the first device box (201); a guide column (6) is fixedly installed on the upper surface of the adjustment plate (205); the guide column (6) passes through the inside of the limiting hole (5); there are two guide columns (6), and the two guide columns (6) are respectively fixedly installed on the left end and the right end of the upper surface of the adjustment plate (205); a wheel seat (207) is fixedly installed on the bottom of the adjustment plate (205); a roller (208) is rotatably connected inside the wheel seat (207).

2. A mechanical arm for a machining center according to claim 1, characterized in that: The adjustment plate (205) is provided with an internal threaded hole (209), and the threaded rod (204) is threadedly connected inside the internal threaded hole (209).

3. The mechanical arm for a machining center according to claim 1, characterized in that: A second device box (9) is fixedly mounted on the bottom plate (4), and a fixing hole (8) is opened at the bottom of the bottom plate (4). The number of the fixing holes (8) is four, and the four fixing holes (8) are respectively opened at the four corners of the bottom of the bottom plate (4).

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