Weight-reducing manipulator

Abstract

The utility model discloses a weight reduction mechanical arm, and relates to the technical field of mechanical arm design and manufacturing, the weight reduction mechanical arm comprises a rack, a base, a supporting frame, a lifting frame and a grabbing frame, the grabbing frame is provided with a grabbing mechanism used for taking and placing workpieces, and the base, the supporting frame and the grabbing frame are each provided with a plurality of digging holes. The dug holes are formed in the base, the supporting frame and the grabbing frame, so that the weight can be effectively reduced on the premise that the strength and rigidity of the manipulator are guaranteed, and the movement speed and precision of the manipulator are improved.

Description

Technical Field

[0001] The present application relates to the technical field of manipulator design and manufacture, and in particular to a weight-reducing manipulator. Background Art

[0002] A weight-reducing manipulator is an auxiliary device used to help workers reduce weight and improve work efficiency and safety during manufacturing, assembly, and maintenance. It is usually composed of a robotic arm, a control system, and an end effector, and can be precisely positioned and moved according to the worker's operational needs. A weight-reducing manipulator can reduce the physical burden on workers, reduce work intensity, and reduce the risk of work-related accidents.

[0003] At present, industrial manipulators have been widely used in various production lines to realize automated grasping, handling, assembly and other operations. The manipulator usually includes a frame, a base sliding on the frame along the X-axis, a support frame sliding on the base along the Y-axis, a lifting frame sliding on the support frame along the Z-axis, and a grabbing frame rotatably arranged on the lifting frame, and the grabbing frame is usually equipped with a grabbing mechanism for picking up and placing workpieces. However, existing manipulators are often heavy, which seriously limits the application of manipulators in high-speed, high-precision and other occasions. Utility Model Content

[0004] In view of the problems existing in the prior art, the present application provides a weight-reducing manipulator.

[0005] The present application provides a weight-reducing manipulator, which adopts the following technical solution:

[0006] A weight-reducing manipulator comprises a frame, a base, a support frame, a lifting frame and a grab frame, wherein the grab frame is provided with a grab mechanism for picking up and placing workpieces, and the base, the support frame and the grab frame are all provided with a plurality of holes.

[0007] Optionally, the base includes a crossbeam plate and bases fixedly arranged on both sides of the crossbeam plate, the crossbeam plate and the base are both provided with the holes, the base is slidably arranged on the frame, and the support frame is slidably arranged on the crossbeam plate.

[0008] Optionally, the holes on the crossbeam plate are triangular in shape.

[0009] Optionally, the holes on the cross beam plate are distributed along the length direction of the cross beam plate, and the triangular holes are upright or inverted and arranged in an alternating manner.

[0010] Optionally, ribs are provided at the connection between the base and the crossbeam, and the ribs are fixedly connected to the base and the crossbeam respectively.

[0011] Optionally, a placement platform for placing the crossbeam plate is provided on the base.

[0012] Optionally, an anti-stress groove is provided at a corner position between the table top and the base of the placing table, and the anti-stress groove is in an arc shape.

[0013] Optionally, the grab frame is made of aviation aluminum.

[0014] In summary, the present application includes at least one of the following beneficial technical effects:

[0015] 1. This application can achieve effective weight reduction while ensuring the strength and rigidity of the manipulator by setting holes on the base, support frame and grab frame, thereby improving the movement speed and accuracy of the manipulator.

[0016] 2. Since stress concentration is easily generated at the corner between the table top and the base when the base is bearing the crossbeam plate, an anti-stress groove is provided at the corner between the table top and the base, and the anti-stress groove is provided in an arc shape, so as to effectively increase the structural strength at the corner between the table top and the base and avoid cracks.

[0017] 3. Since aviation aluminum is light and has high structural strength, the overall weight of the grab frame can be further reduced by making the grab frame out of aviation aluminum. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0019] Figure 2 is a schematic diagram of the structure of the base used in the embodiment of the present application;

[0020] Figure 3 yes Figure 2 Magnified view of section A.

[0021] Explanation of the reference numerals: 1. Frame; 2. Base; 21. Crossbeam plate; 22. Base; 221. Placement table; 222. Anti-stress groove; 23. Rib plate; 3. Support frame; 4. Lifting frame; 5. Grabbing frame; 51. Grabbing mechanism; 6. Digging hole. DETAILED DESCRIPTION

[0022] The following is combined with Figure 1-3 This application is described in further detail.

[0023] The present application embodiment discloses a weight-reducing manipulator. Figure 1 , 2, including a frame 1, a base 2 slidably arranged on the frame 1 along a horizontal direction, a support frame 3 slidably arranged on the base 2 along a horizontal direction, a lifting frame 4 slidably arranged on the support frame 3 along a vertical direction, and a grabbing frame 5 rotatably arranged on the lifting frame 4, the sliding direction of the base 2 is perpendicular to the sliding direction of the support frame 3 on the base 2, and the frame 1 is also respectively equipped with linear motors for driving the base 2, the support frame 3 and the lifting frame 4 to slide, and the lifting frame 4 is provided with a servo motor for driving the grabbing frame 5 to rotate.

[0024] Reference Figure 1 The grabbing frame 5 is provided with a grabbing mechanism 51 for picking up and placing workpieces. The grabbing mechanism 51 includes a clamp-type grabbing mechanism, an adsorption-type grabbing mechanism, a magnetic grabbing mechanism and a bionic grabbing mechanism. According to different workpieces to be picked up and placed, the corresponding grabbing mechanism 51 is selected and installed on the grabbing frame 5 one by one or in combination to realize efficient, stable and reliable manipulator grabbing operation.

[0025] Reference Figure 2 , 3 The base 2 includes a cross beam 21 and bases 22 arranged on both sides of the cross beam 21. The two bases 22 are slidably connected to the frame 1. A placement table 221 is arranged on the two bases 22. The two sides of the cross beam 21 are respectively placed on the placement tables 221 of the two bases 22. Ribs 23 are arranged at the connection between the base 22 and the cross beam 21, and the ribs 23 are fixedly connected to the base 22 and the cross beam 21 by bolts respectively. The support frame 3 is slidably arranged on the cross beam 21 along the length direction of the cross beam 21.

[0026] Reference Figure 3 An anti-stress groove 222 is provided at the corner position between the table top of the placing table 221 and the base 22, and the anti-stress groove 222 is in an arc shape; because the base 22 needs to bear the overall weight of the cross beam plate 21, the support frame 3, the lifting frame 4, the grabbing frame 5, and the grabbing mechanism 51 on the grabbing frame 5 when carrying the cross beam plate 21, stress concentration is easily generated at the corner position between the table top of the placing table 221 and the base 22. By providing the anti-stress groove 222 at the corner position between the table top of the placing table 221 and the base 22, and setting the anti-stress groove 222 in an arc shape, the structural strength of the corner position between the table top of the placing table 221 and the base 22 is effectively increased, and cracks are avoided.

[0027] Reference Figure 1 , 2A plurality of holes 6 are provided on the base 22, the cross beam 21, the support frame 3 and the grab frame 5. The holes 6 on the base 22, the cross beam 21, the support frame 3 and the grab frame 5 are all formed by laser cutting. After the holes 6 are dug, the base 22, the cross beam 21, the support frame 3 and the grab frame 5 need to be strength tested respectively, so as to achieve effective weight reduction while ensuring the strength and rigidity of the manipulator.

[0028] Reference Figure 2 The holes 6 on the cross beam plate 21 are distributed along the length direction of the cross beam plate 21. The holes 6 on the cross beam plate 21 are triangular, including an equilateral triangle and an inverted third angle, and the equilateral triangular holes 6 and the inverted triangular holes 6 on the cross beam plate 21 are arranged alternately.

[0029] Reference Figure 1 The grab frame 5 is made of aviation aluminum. Since aviation aluminum is light in weight and has high structural strength, the overall weight of the grab frame 5 can be further reduced by making the grab frame 5 of aviation aluminum.

[0030] The implementation principle of a weight-reducing manipulator in an embodiment of the present application is as follows: by setting holes 6 on the base 22, the crossbeam plate 21, the support frame 3 and the grab frame 5, and making the grab frame 5 with aviation aluminum material, effective weight reduction can be achieved while ensuring the strength and rigidity of the manipulator, thereby improving the movement speed and accuracy of the manipulator.

[0031] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A weight-reducing manipulator, comprising a frame (1), a base (2), a support frame (3), a lifting frame (4) and a grabbing frame (5), wherein the grabbing frame (5) is provided with a grabbing mechanism (51) for picking up and placing a workpiece, and characterized in that: The base (2), the support frame (3) and the grab frame (5) are all provided with a plurality of holes (6).

2. A weight-reducing manipulator according to claim 1, characterized in that: The base (2) comprises a cross beam plate (21) and a base (22) fixedly arranged on both sides of the cross beam plate (21); the cross beam plate (21) and the base (22) are both provided with the holes (6); the base (22) is slidably arranged on the frame (1); and the support frame (3) is slidably arranged on the cross beam plate (21).

3. A weight-reducing manipulator according to claim 2, characterized in that: The holes (6) on the cross beam plate (21) are triangular in shape.

4. A weight-reducing manipulator according to claim 3, characterized in that: The holes (6) on the cross beam plate (21) are distributed along the length direction of the cross beam plate (21), and the triangular holes (6) are upright or inverted and arranged in an interlaced manner.

5. A weight-reducing manipulator according to claim 2, characterized in that: A rib plate (23) is provided at the connection between the base (22) and the cross beam plate (21), and the rib plate (23) is fixedly connected to the base (22) and the cross beam plate (21) respectively.

6. A weight-reducing manipulator according to claim 5, characterized in that: The base (22) is provided with a placement platform (221) for placing the crossbeam plate (21).

7. A weight-reducing manipulator according to claim 6, characterized in that: An anti-stress groove (222) is provided at a corner position between the table top of the placement table (221) and the base (22), and the anti-stress groove (222) is in an arc shape.

8. A weight-reducing manipulator according to claim 1, characterized in that: The grabbing frames (5) are all made of aviation aluminum.

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