CN115741647B - Mechanical arm for mechanical manufacturing - Google Patents
Mechanical arm for mechanical manufacturing Download PDFInfo
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- CN115741647B CN115741647B CN202211631373.XA CN202211631373A CN115741647B CN 115741647 B CN115741647 B CN 115741647B CN 202211631373 A CN202211631373 A CN 202211631373A CN 115741647 B CN115741647 B CN 115741647B
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- fixedly connected
- motor
- mechanical arm
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- side wall
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention relates to the technical field of mechanical arms, in particular to a mechanical arm for mechanical manufacturing, which comprises a cross beam, wherein two symmetrically arranged supporting legs are fixedly connected to the bottom of the cross beam, a guide rail is fixedly connected to the bottom of the cross beam, two mechanical arm assemblies are connected to the guide rail in a sliding manner, the two mechanical arm assemblies are identical in structure, and the tail ends of the two mechanical arm assemblies are rotatably connected with the same clamping part. According to the invention, the aim of adjusting the posture of a part through the mechanical arm can be achieved, the supporting legs and the cross beam form a support structure, the function of supporting the whole device is achieved, the guide rail is used for enabling two mechanical arm assemblies to slide on the guide rail, the two mechanical arm assemblies have multiple degrees of freedom, the workpiece is clamped through the clamping part, and the posture of the workpiece is adjusted through the change of the posture of the two mechanical arm assemblies, so that the manual labor and time saving is replaced.
Description
Technical Field
The invention relates to the technical field of mechanical arms, in particular to a mechanical arm for machine manufacturing.
Background
In the field of machine manufacturing, parts are required to be machined, part of large parts are made of cast aluminum or aluminum alloy, the large parts are heavy, time and labor are wasted through manual transportation, the parts are usually required to be hoisted and transported by a mechanical arm and placed on a machining platform or a clamp according to a preset gesture, in the prior art, the parts are hoisted by a crown block, but the crown block cannot adjust the gesture of the parts, manual adjustment by an operator is still required, time and labor are wasted, and therefore the mechanical arm for machine manufacturing is required to be solved.
Disclosure of Invention
The invention aims to provide a mechanical arm for mechanical manufacturing, so as to solve the problems and achieve the aim of adjusting the posture of a part through the mechanical arm.
In order to achieve the above object, the present invention provides the following solutions: the mechanical arm for the mechanical manufacture comprises a cross beam, two symmetrically arranged supporting legs are fixedly connected to the bottom of the cross beam, a guide rail is fixedly connected to the bottom of the cross beam, two mechanical arm assemblies are connected to the guide rail in a sliding mode, the structures of the two mechanical arm assemblies are identical, and the tail ends of the mechanical arm assemblies are rotatably connected with the same clamping parts.
Preferably, the mechanical arm assembly comprises a sliding frame, the sliding frame is in sliding connection with the guide rail, a braking part is arranged on the inner wall of the sliding frame, a rotating arm is connected to the lower portion of the sliding frame in a rotating mode, an extending arm is connected to the lower portion of the rotating arm in a rotating mode, a first sliding block is connected to the inner portion of the extending arm in a sliding mode, a second sliding block is connected to the side wall of the first sliding block in a sliding mode, and the bottom of the second sliding block is connected to the clamping part in a rotating mode.
Preferably, the inner wall of the sliding frame is rotationally connected with a plurality of pulleys, the pulleys are arranged in a rolling way with the guide rail, a sixth motor is coaxially fixedly connected to the middle of each pulley, and the side wall of each sixth motor is fixedly connected with the inner wall of the sliding frame.
Preferably, the braking part comprises a first cylinder, the side wall of the first cylinder is fixedly connected with the inner wall of the sliding frame, a first motor is fixedly connected with the movable end of the first cylinder, a braking wheel is coaxially fixedly connected with the output shaft of the first motor, and the braking wheel is in contact with the bottom of the guide rail.
Preferably, the bottom of the sliding frame is rotationally connected with the rotating arm through a first rotating shaft, a second motor is fixedly connected to the side wall of the sliding frame, and an output shaft of the second motor is coaxially fixedly connected with the first rotating shaft.
Preferably, two symmetrically arranged rotating brackets are fixedly connected below the rotating arm, the two rotating brackets are rotationally connected with the extending arm through a second rotating shaft, a third motor is fixedly connected to the outer wall of one rotating bracket, and an output shaft of the third motor is coaxially fixedly connected with the second rotating shaft.
Preferably, the side wall of the first sliding block is fixedly connected with a double-shaft motor, an output shaft at one end of the double-shaft motor is coaxially fixedly connected with a gear, the side wall inside the extension arm is fixedly connected with a rack, and the rack is meshed with the gear.
Preferably, the coaxial rigid coupling of biax motor other end output shaft has first sprocket, biax motor other end output shaft outer wall cover is equipped with first support, first support with first slider lateral wall rigid coupling, first slider lateral wall rotates and is connected with the second sprocket, the second sprocket with first sprocket passes through chain drive to be connected, chain middle part rigid coupling has the fixed block, the fixed block lateral wall with second slider lateral wall rigid coupling.
Preferably, the clamping part comprises a supporting plate, two ends of the supporting plate are rotationally connected with two bottoms of the second sliding blocks through a third rotating shaft, a second air cylinder is fixedly connected with the middle part of the top surface of the supporting plate, two first connecting rods are respectively rotationally connected with the bottom surface of the supporting plate, the first connecting rods are respectively positioned on two sides of the second air cylinder, a fixed plate is fixedly connected with the movable end of the second air cylinder, two second connecting rods are rotationally connected with two sides of the fixed plate, the middle part of each second connecting rod is rotationally connected with the fixed plate, the top ends of the second connecting rods are rotationally connected with the bottom ends of the first connecting rods, and clamping blocks are fixedly connected with the bottoms of the second connecting rods.
The invention has the following technical effects: the support leg and the cross beam form a support structure, the support structure plays a role in supporting the whole device, the guide rail is used for enabling the two mechanical arm assemblies to slide on the guide rail, the two mechanical arm assemblies have multiple degrees of freedom, the workpiece is clamped up through the clamping part, the posture of the workpiece is adjusted through the change of the posture of the two mechanical arm assemblies, and the support structure replaces labor and time saving.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is an enlarged view of a portion of the invention at B in FIG. 1;
FIG. 4 is a side view of a brake portion of the present invention;
FIG. 5 is a schematic structural diagram of embodiment 2 of the present invention;
1, supporting legs; 2. a cross beam; 3. a guide rail; 4. a carriage; 5. a pulley; 6. a first motor; 7. a first cylinder; 8. a first rotating shaft; 9. a rotating arm; 10. rotating the bracket; 11. a second rotating shaft; 12. a third motor; 13. an extension arm; 14. a rack; 15. a gear; 16. a biaxial motor; 17. a first slider; 18. a second slider; 19. a first bracket; 20. a first sprocket; 21. a chain; 22. a fixed block; 23. a second sprocket; 24. a third rotating shaft; 25. a support plate; 26. a second cylinder; 27. a first link; 28. a second link; 29. clamping blocks; 30. a fixing plate; 31. a brake wheel; 32. a second motor; 33. a third bracket; 34. a cross plate; 35. a third cylinder; 36. a backing plate; 37. a flexible board.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
Example 1
Referring to fig. 1-4, the embodiment provides a mechanical arm for machine manufacturing, which comprises a beam 2, two symmetrically arranged supporting legs 1 are fixedly connected to the bottom of the beam 2, a guide rail 3 is fixedly connected to the bottom of the beam 2, two mechanical arm assemblies are slidably connected to the guide rail 3, the two mechanical arm assemblies have the same structure, and the tail ends of the two mechanical arm assemblies are rotatably connected with the same clamping part. The support leg 1 and the cross beam 2 form a support structure, the support structure plays a role in supporting the whole device, the guide rail 3 is used for two mechanical arm assemblies to slide on the guide rail 3, the two mechanical arm assemblies have multiple degrees of freedom, the workpiece is clamped up through the clamping part frame, the posture of the workpiece is adjusted through the change of the posture of the two mechanical arm assemblies, and the support structure replaces labor and time saving.
Further optimizing scheme, the arm assembly includes carriage 4, and carriage 4 and guide rail 3 sliding connection are equipped with the brake portion to the carriage 4 inner wall, and carriage 4 below rotates to be connected with rotor arm 9, and rotor arm 9 below rotates to be connected with extension arm 13, and extension arm 13 inside sliding connection has first slider 17, and first slider 17 lateral wall sliding connection has second slider 18, and second slider 18 bottom rotates with the clamping part to be connected. The sliding frame 4 can slide on the guide rail 3 in a straight line, the braking part is used for fixing the sliding frame 4, the rotating arm 9 can rotate freely relative to the sliding frame 4, the extending arm 13 can rotate relative to the rotating arm 9, the rotating directions of the rotating arm 9 and the extending arm 13 are different and perpendicular to each other, and the first sliding block 17 and the second sliding block 18 can extend and can be used as a secondary telescopic structure.
Further optimizing scheme, the inner wall of the sliding frame 4 is rotationally connected with a plurality of pulleys 5, the pulleys 5 are arranged in a rolling way with the guide rail 3, a sixth motor (not shown in the figure) is coaxially fixedly connected in the middle of the pulleys 5, and the side wall of the sixth motor is fixedly connected with the inner wall of the sliding frame 4. The pulley 5 is driven to rotate through the rotation of the sixth motor, and the pulley 5 slides on the guide rail 3, so that the linear motion of the sliding frame 4 is driven.
According to a further optimized scheme, the braking part comprises a first air cylinder 7, the side wall of the first air cylinder 7 is fixedly connected with the inner wall of the sliding frame 4, the movable end of the first air cylinder 7 is fixedly connected with a first motor 6, an output shaft of the first motor 6 is coaxially fixedly connected with a braking wheel 31, and the braking wheel 31 is in contact with the bottom of the guide rail 3. Under the non-braking state, the first motor 6 drives the brake wheel 31 to rotate, the joint of the edge part of the brake wheel 31 and the guide rail 3 plays a role in auxiliary limiting, when the brake is in the braking state, the first cylinder 7 stretches, the first motor 6 stops rotating for braking, the first cylinder 7 drives the first motor 6 to move towards one side of the guide rail 3, the guide rail 3 is pressed tightly, and the braking effect is played.
According to a further optimized scheme, the bottom of the sliding frame 4 is rotationally connected with the rotating arm 9 through the first rotating shaft 8, the side wall of the sliding frame 4 is fixedly connected with the second motor 32, and an output shaft of the second motor 32 is coaxially fixedly connected with the first rotating shaft 8. The rotation of the second motor 32 drives the first rotating shaft 8 to move, and the first rotating shaft 8 drives the rotating arm 9 to rotate.
In a further optimized scheme, two symmetrically arranged rotating brackets 10 are fixedly connected below the rotating arm 9, the two rotating brackets 10 are rotationally connected with the extension arm 13 through a second rotating shaft 11, a third motor 12 is fixedly connected to the outer wall of the rotating bracket 10, and an output shaft of the third motor 12 is coaxially fixedly connected with the second rotating shaft 11. The rotation of the third motor 12 drives the second rotating shaft 11 to rotate, and the second rotating shaft 11 drives the extension arm 13 to rotate.
In a further optimized scheme, the side wall of the first sliding block 17 is fixedly connected with a double-shaft motor 16, one end output shaft of the double-shaft motor 16 is coaxially fixedly connected with a gear 15, the side wall inside the extension arm 13 is fixedly connected with a rack 14, and the rack 14 is meshed with the gear 15. The rotation of the double-shaft motor 16 drives the gear 15 to be meshed with the rack 14, so that the first sliding block 17 moves linearly along the rack 14.
Further optimizing scheme, the coaxial rigid coupling of output shaft of biax motor 16 other end has first sprocket 20, and biax motor 16 other end output shaft outer wall cover is equipped with first support 19, and first support 19 and first slider 17 lateral wall rigid coupling, first slider 17 lateral wall rotate and are connected with second sprocket 23, and second sprocket 23 passes through chain 21 transmission with first sprocket 20 to be connected, and chain 21 middle part rigid coupling has fixed block 22, fixed block 22 lateral wall and second slider 18 lateral wall rigid coupling. The first bracket 19 plays a role in supporting the output shaft at the other end of the double-shaft motor 16, the rotation of the output shaft at the other end of the double-shaft motor 16 drives the first sprocket 20 to rotate, the first sprocket 20 drives the second sprocket 23 to rotate through the chain 21, and the chain 21 drives the second slide block 18 to linearly move along the first slide block 17 through the fixed block 22 in the moving process.
Further optimizing scheme, clamping part includes backup pad 25, backup pad 25 both ends are rotated through third pivot 24 and two second slider 18 bottoms and are connected, backup pad 25 top surface middle part rigid coupling has second cylinder 26, backup pad 25 bottom surface is rotated respectively and is connected with two first connecting rods 27, two first connecting rods 27 are located second cylinder 26 both sides respectively, second cylinder 26 expansion end rigid coupling has fixed plate 30, fixed plate 30 both sides rotate and are connected with second connecting rod 28, second connecting rod 28 middle part is rotated with fixed plate 30 and is connected, second connecting rod 28 top is rotated with first connecting rod 27 bottom and is connected, second connecting rod 28 bottom rigid coupling has clamp splice 29. The second cylinder 26 shortens and drives the first connecting rod 27 and the second connecting rod 28 to move, and the second connecting rod 28 drives the clamping blocks 29 to be close to each other, so that the two clamping blocks 29 clamp a part, and conversely, the second cylinder 26 stretches and drives the two clamping blocks 29 to be away from each other so as to loosen the part.
Example 2
Referring to fig. 5, the difference between the present embodiment and embodiment 1 is that the sliding frame 4 is fixedly connected with two symmetrically arranged third brackets 33, the same transverse plate 34 is fixedly connected above the third brackets 33, the third air cylinder 35 is fixedly connected in the middle of the transverse plate 34, the backing plate 36 is fixedly connected to the movable end below the third air cylinder 35, and the flexible plate 37 is fixedly connected below the backing plate 36.
When the sliding frame 4 is required to brake, the third air cylinder 35 stretches to drive the base plate 36 to move downwards, the base plate 36 drives the flexible plate 37 to move downwards and be connected with the top of the cross beam 2, the flexible plate 37 is preferably made of rubber, and the friction force between the flexible plate 37 and the top of the cross beam 2 is high, so that the sliding frame 4 is fixed.
In the description of the present invention, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
The above embodiments are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (4)
1. A mechanical arm for machine-building, characterized in that: the mechanical arm comprises a cross beam (2), two symmetrically arranged supporting legs (1) are fixedly connected to the bottom of the cross beam (2), a guide rail (3) is fixedly connected to the bottom of the cross beam (2), two mechanical arm assemblies are connected to the guide rail (3) in a sliding mode, the two mechanical arm assemblies are identical in structure, and the tail ends of the two mechanical arm assemblies are rotatably connected with the same clamping part;
the mechanical arm assembly comprises a sliding frame (4), the sliding frame (4) is in sliding connection with the guide rail (3), a braking part is arranged on the inner wall of the sliding frame (4), a rotating arm (9) is rotationally connected below the sliding frame (4), an extension arm (13) is rotationally connected below the rotating arm (9), a first sliding block (17) is in sliding connection with the inside of the extension arm (13), a second sliding block (18) is in sliding connection with the side wall of the first sliding block (17), and the bottom of the second sliding block (18) is rotationally connected with the clamping part;
the inner wall of the sliding frame (4) is rotationally connected with a plurality of pulleys (5), the pulleys (5) and the guide rail (3) are arranged in a rolling way, a sixth motor is coaxially and fixedly connected to the middle part of the pulleys (5), and the side wall of the sixth motor is fixedly connected with the inner wall of the sliding frame (4);
the braking part comprises a first air cylinder (7), the side wall of the first air cylinder (7) is fixedly connected with the inner wall of the sliding frame (4), a first motor (6) is fixedly connected to the movable end of the first air cylinder (7), a braking wheel (31) is coaxially fixedly connected to the output shaft of the first motor (6), and the braking wheel (31) is in contact with the bottom of the guide rail (3);
the side wall of the first sliding block (17) is fixedly connected with a double-shaft motor (16), an output shaft at one end of the double-shaft motor (16) is coaxially fixedly connected with a gear (15), the side wall inside the extension arm (13) is fixedly connected with a rack (14), and the rack (14) is in meshed connection with the gear (15);
the novel double-shaft motor is characterized in that a first sprocket (20) is coaxially fixedly connected to an output shaft at the other end of the double-shaft motor (16), a first support (19) is sleeved on the outer wall of the output shaft at the other end of the double-shaft motor (16), the first support (19) is fixedly connected with the side wall of a first sliding block (17), a second sprocket (23) is rotatably connected to the side wall of the first sliding block (17), the second sprocket (23) is in transmission connection with the first sprocket (20) through a chain (21), a fixed block (22) is fixedly connected to the middle of the chain (21), and the side wall of the fixed block (22) is fixedly connected with the side wall of a second sliding block (18).
2. The mechanical arm for machine building according to claim 1, wherein: the bottom of the sliding frame (4) is rotationally connected with the rotating arm (9) through a first rotating shaft (8), a second motor (32) is fixedly connected to the side wall of the sliding frame (4), and an output shaft of the second motor (32) is coaxially fixedly connected with the first rotating shaft (8).
3. The mechanical arm for machine building according to claim 1, wherein: the rotary support (10) which are symmetrically arranged are fixedly connected below the rotary arm (9), the two rotary supports (10) are rotationally connected with the extension arm (13) through a second rotating shaft (11), a third motor (12) is fixedly connected to the outer wall of one rotary support (10), and an output shaft of the third motor (12) is coaxially fixedly connected with the second rotating shaft (11).
4. The mechanical arm for machine building according to claim 1, wherein: the clamping part comprises a supporting plate (25), two ends of the supporting plate (25) are rotationally connected with two bottoms of the second sliding blocks (18) through a third rotating shaft (24), a second air cylinder (26) is fixedly connected to the middle of the top surface of the supporting plate (25), two first connecting rods (27) are respectively rotationally connected to the bottom surface of the supporting plate (25), the two first connecting rods (27) are respectively located on two sides of the second air cylinder (26), fixing plates (30) are fixedly connected to movable ends of the second air cylinders (26), second connecting rods (28) are rotationally connected to two sides of the fixing plates (30), the middle of each second connecting rod (28) is rotationally connected to the corresponding fixing plate (30), and clamping blocks (29) are fixedly connected to the bottoms of the second connecting rods (28).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211631373.XA CN115741647B (en) | 2022-12-19 | 2022-12-19 | Mechanical arm for mechanical manufacturing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211631373.XA CN115741647B (en) | 2022-12-19 | 2022-12-19 | Mechanical arm for mechanical manufacturing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115741647A CN115741647A (en) | 2023-03-07 |
| CN115741647B true CN115741647B (en) | 2023-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211631373.XA Active CN115741647B (en) | 2022-12-19 | 2022-12-19 | Mechanical arm for mechanical manufacturing |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2734749A1 (en) * | 1995-05-29 | 1996-12-06 | Leseure Michel | High speed programmable manipulator |
| CN103921268A (en) * | 2014-04-15 | 2014-07-16 | 南京航空航天大学 | Prrpr branched-chain parallel mechanism hole forming system for airplane assembling |
| CN107160378A (en) * | 2017-07-24 | 2017-09-15 | 重庆市臻憬科技开发有限公司 | Table service device for intelligent restaurant |
| CN107974950A (en) * | 2017-12-29 | 2018-05-01 | 上海建工集团股份有限公司 | The bridge 3D printing device and construction method of template work compound |
| CN110653809A (en) * | 2019-10-29 | 2020-01-07 | 宋美玉 | Automatic manipulator assembly quality of automotive fastener |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20010830A1 (en) * | 2001-04-19 | 2002-10-19 | Consiglio Nazionale Ricerche | PARALLEL KINEMATIC MODULAR AND RECONFIGURABLE ROBOT |
-
2022
- 2022-12-19 CN CN202211631373.XA patent/CN115741647B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2734749A1 (en) * | 1995-05-29 | 1996-12-06 | Leseure Michel | High speed programmable manipulator |
| CN103921268A (en) * | 2014-04-15 | 2014-07-16 | 南京航空航天大学 | Prrpr branched-chain parallel mechanism hole forming system for airplane assembling |
| CN107160378A (en) * | 2017-07-24 | 2017-09-15 | 重庆市臻憬科技开发有限公司 | Table service device for intelligent restaurant |
| CN107974950A (en) * | 2017-12-29 | 2018-05-01 | 上海建工集团股份有限公司 | The bridge 3D printing device and construction method of template work compound |
| CN110653809A (en) * | 2019-10-29 | 2020-01-07 | 宋美玉 | Automatic manipulator assembly quality of automotive fastener |
Non-Patent Citations (1)
| Title |
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| 新型完全各向同性3T并联机构及其特性分析;曹浩峰等;《中国机械工程》;1377-1403 * |
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