CN216609062U - Big arm structure of articulated robot - Google Patents
Big arm structure of articulated robot Download PDFInfo
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- CN216609062U CN216609062U CN202122397837.2U CN202122397837U CN216609062U CN 216609062 U CN216609062 U CN 216609062U CN 202122397837 U CN202122397837 U CN 202122397837U CN 216609062 U CN216609062 U CN 216609062U
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- 239000000428 dust Substances 0.000 abstract description 13
- 238000012423 maintenance Methods 0.000 description 16
- 230000007246 mechanism Effects 0.000 description 5
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- 238000012986 modification Methods 0.000 description 2
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- 239000000463 material Substances 0.000 description 1
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Abstract
The utility model discloses a large arm structure of a multi-joint robot, which comprises a large arm body, a large arm cover plate and two dustproof assemblies; the large arm body comprises a large arm connecting rod, a first cavity and a second cavity; the large arm connecting rod is a connecting rod which is hollow inside and is provided with a hollow opening in the center of the upper part; one end of the big arm connecting rod is provided with a first cavity which is integrally formed with the big arm connecting rod and is provided with an opening at the upper part, and the other end of the big arm connecting rod is provided with a second cavity which is integrally formed with the big arm connecting rod and is provided with an opening at the upper part; the large arm cover plate is an arched shell cover; the large arm cover plate is detachably arranged above the hollowed-out opening through a screw, and the area of the large arm cover plate projected to the large arm body can cover the whole hollowed-out opening; the two dustproof components are respectively and fixedly arranged on two sides of the large arm cover plate; the dustproof assembly comprises rubber pads, trapezoidal thin gaskets and mounting screws, wherein the rubber pads, the trapezoidal thin gaskets and the mounting screws are arranged at two ends of the large arm cover plate. The utility model solves the problems that the robot has a heavy big arm, the cable is difficult to hang, thread, maintain and clean, and dust is easy to accumulate.
Description
Technical Field
The utility model relates to the technical field of industrial machinery, in particular to a large arm structure of a multi-joint robot.
Background
In the current industrial field, including the automobile industry, the electronic and electrical industry, the engineering machinery industry and other industries, a large number of industrial robot automatic production lines are used. The industrial robot integrates advanced manufacturing technologies such as precision, flexibility, intelligence, software application development and the like, realizes the purposes of increasing yield, improving quality, reducing cost and reducing resource consumption and environmental pollution by detecting, controlling, optimizing, scheduling, managing and deciding the process, and is the highest embodiment of industrial automation level. The existing articulated robots are all used in specific occasions, such as equipment welding, equipment spraying or equipment carrying, and special robots are required to be designed to work in the different occasions. The large arm connecting rod structure of the multi-joint robot is an important component of the multi-joint robot, and the 2 nd shaft driving mechanism and the 3 rd shaft driving mechanism which are used as intermediate parts can be respectively connected with two ends of the multi-joint robot, so that the multi-joint robot is applied to operation in various occasions.
The large arm connecting rod structure of the multi-joint robot in the market mainly has two types, one type is a solid connecting rod structure without a cavity body, and the other type is a connecting rod structure with a hollow cavity body. The solid connecting rod without the cavity is heavy and inconvenient for the robot to work, and the solid connecting rod without the cavity is generally provided with a fixed pipe hoop. At present, the line cables of the robot are generally wrapped by PVC (polyvinyl chloride) sleeves or flame-retardant soft cloth, but the problem of very difficult threading is often caused because the cables are generally provided with joints and the cables are more, and because all the line cables are bound together and are disorderly, the line with the problem is difficult to find immediately when the line cables are maintained, and the maintenance is difficult; the cable is thrown in the motion and the cable rubs the arm body, which affects the operation of the robot. The cables of the external end sensors or equipment cannot be fixedly arranged when the robot is applied. The other is that there is the solid connecting rod that the part was equipped with upper and lower both sides fretwork cavity body, generally is integrated into one piece casting structure, though this kind of setting mode has solved external cable whipping problem owing to can put into the fretwork cavity body with the circuit cable, also more pleasing to the eye, nevertheless has the easy laying dust of cavity and is difficult to the clearance and still does not solve the problem of cable threading or maintenance well.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that a common robot large arm is heavy, threading or cable maintenance is very difficult and dust is easily accumulated in a cavity and is difficult to clean due to the fact that cables are generally provided with joints and are more in number in the background art, and provides a multi-joint robot large arm structure which can solve the problems that the robot large arm is heavy, cable hanging, threading and maintenance are difficult and dust is easily accumulated and difficult to clean, and enables a robot to be more suitable for severe working environments such as welding and the like.
In order to solve the problems, the large arm structure of the multi-joint robot comprises a large arm body, a large arm cover plate and two dustproof assemblies; the large arm body comprises a large arm connecting rod, a first cavity and a second cavity; the large arm connecting rod is a connecting rod which is hollow inside and is provided with a hollow opening in the center of the upper part; one end of the big arm connecting rod is provided with a first cavity which is integrally formed with the big arm connecting rod and is provided with an opening at the upper part, and the other end of the big arm connecting rod is provided with a second cavity which is integrally formed with the big arm connecting rod and is provided with an opening at the upper part; the large arm cover plate is an arched shell cover; the large arm cover plate is detachably arranged above the hollow opening through a screw, and the area of the large arm cover plate projected to the large arm body can cover the whole hollow opening; the two dustproof assemblies are respectively and fixedly arranged on two sides of the large arm cover plate; the dustproof assembly comprises rubber pads, trapezoidal thin gaskets and mounting screws which are arranged at two ends of the large arm cover plate; ladder-shaped grooves are respectively formed in the inner sides of the two ends of the large arm cover plate; a threaded through hole is formed in the center of the trapezoidal groove; one end of the rubber pad is pressed on the trapezoidal groove by the trapezoidal thin gasket, and the rubber pad is fixed on the inner side of the large-arm cover plate by the mounting screw; the rubber pad is cut into a plurality of strips and is used for matching with the large arm cover plate to completely cover the hollowed-out opening.
Particularly, the large arm body is made of aluminum alloy castings.
In particular, the trapezoidal shim is sized to mate with the trapezoidal groove.
Particularly, four fixed connecting pieces are arranged around the large arm body respectively; the fixed connecting piece is provided with a through hole; a threaded seat matched with the through hole and the screw is arranged on the large arm body near the hollowed opening; the large arm body penetrates through the through hole through a screw to be connected with the threaded seat through a thread.
Particularly, the rubber pad is in a curved surface with the middle part sunken into the hollow opening.
In particular, the mounting screw is a hexagon socket countersunk head screw.
Particularly, the inner wall of the large arm cover plate is provided with net-shaped filter paper.
Particularly, the large arm cover plate is made of transparent materials.
The utility model has the beneficial effects that:
1. the first cavity can be used for installing a 2 nd shaft driving mechanism of the robot, the second cavity can be used for installing a 3 rd shaft driving mechanism of the robot, and the driving mechanisms are an RV reducer and a servo motor. Because the big arm body is hollow inside and the upper portion center is equipped with fretwork open-ended connecting rod, preferred adoption aluminum alloy casting makes, furthest has alleviateed weight, makes things convenient for the robot to carry out the operation.
2. The utility model adopts a detachable large arm cover plate. When cable arrangement or maintenance is needed, or external cables are added, the screws are unscrewed, and the large arm cover plate is detached. When cables need to be arranged, arranging the line cables according to the specified sequence and position according to the requirements of the robot; when the maintenance is needed, the line cable with the problems is taken out for maintenance or replacement, and the well-made cable is replaced to the position of the original cable; placing the middle part of a circuit cable which is laid or repaired and placed back and used for robot connection into the hollow part inside the large arm connecting rod through a hollow opening; after arrangement or maintenance is finished, the cable is wrapped and tidied by the flame-retardant soft cloth, and then the large-arm cover plate is installed through the screws. According to the utility model, all lines do not need to be bundled and wrapped by PVC sleeves or flame-retardant soft cloth and then are threaded through the through holes of the arm body, the number of joints at two ends of the line cable and the number of the line cables do not need to be considered, and the lines need to be arranged and placed in the hollow part inside the large arm connecting rod, so that the maintenance is facilitated, the wiring is simple and rapid, and the whole robot body is more attractive.
3. The middle part of the line is arranged in the hollow part of the large arm connecting rod, two ends of the line can penetrate out of the rubber pads which are cut into a plurality of strips, the rubber pads can clamp the cable, the cable is prevented from swinging in the movement and rubbing the arm body by the cable, and the operation of the robot is not influenced.
4. According to the large arm cover plate, the area of the large arm cover plate projected to the large arm body can cover the whole hollowed-out opening, the dustproof assemblies are fixedly arranged on two sides of the large arm cover plate and can be matched with the large arm cover plate to cover the whole hollowed-out opening, and dust can be greatly reduced from entering the hollow part inside the large arm connecting rod; even there is the laying dust inside, can dismantle big arm apron and clear up the maintenance, it is very convenient for the robot can adapt to the big adverse circumstances of dust.
5. The inner wall of the large-arm cover plate is provided with the reticular filter paper, so that the dust removing effect can be achieved; set up big arm apron and make for transparent material, be convenient for can discover the laying dust problem fast and clear up the maintenance under the more condition of laying dust.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an overall structural diagram of a first embodiment and a second embodiment of the present invention.
Fig. 2 is a structural diagram of a boom arm body according to the first embodiment and the second embodiment of the present invention.
Fig. 3 is a front view of a large arm cover plate according to a first embodiment and a second embodiment of the present invention.
Fig. 4 is a rear view of the large arm cover plate according to the first embodiment of the present invention.
Fig. 5 is an exploded view of the large arm cover and the dust-proof assembly according to the first and second embodiments of the present invention.
Fig. 6 is a rear view of the large arm cover plate according to the second embodiment of the present invention.
In the figure, 1, a large arm body; 2. a large arm cover plate; 3. a dust-proof assembly; 4. a first cavity; 5. a second cavity; 6. hollowing out the opening; 7. a screw; 8. a nameplate; 9. a trapezoidal groove; 10. a threaded through hole; 11. a rubber pad; 12. a trapezoidal shim; 13. mounting screws; 14. a net-shaped filter paper.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like refer to the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which the present invention is used to usually place, are only used for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1, 2, 3, 4, and 5, the large arm structure of the articulated robot of the present embodiment includes a large arm body 1, a large arm cover plate 2, and two dust-proof assemblies 3. The large arm body 1 comprises a large arm connecting rod, a first cavity 4 and a second cavity 5. The big arm connecting rod is a hollow connecting rod, and the center of the upper part of the big arm connecting rod is provided with a hollowed-out opening 6. One end of the big arm connecting rod is provided with a first cavity 4 which is integrally formed with the big arm connecting rod and is provided with an opening at the upper part, and the other end of the big arm connecting rod is provided with a second cavity 5 which is integrally formed with the big arm connecting rod and is provided with an opening at the upper part. The large arm cover plate 2 is an arch-shaped shell cover. Big arm apron 2 passes through screw 7 demountable installation in fretwork opening 6's top, and big arm apron 2 is used for covering the left and right sides of fretwork opening 6. Two dustproof subassemblies 3 are respectively and fixedly installed on two sides of the large arm cover plate 2. The dustproof assembly 3 comprises rubber pads 11, trapezoidal thin gaskets 12 and mounting screws 13 which are arranged at two ends of the large arm cover plate 2. The inner sides of the two ends of the large arm cover plate 2 are respectively provided with a ladder-shaped groove. The center of the trapezoidal groove 9 is provided with a threaded through hole 10. The trapezoidal shim presses one end of the rubber pad 11 against the trapezoidal groove, and the rubber pad 11 is fixed to the inner side of the boom cover 2 by the mounting screw 13. The rubber pads 11 are cut into a plurality of strips and used for matching with the large arm cover plate 2 to completely cover the hollowed-out openings 6. The large arm body 1 is made of aluminum alloy casting. The trapezoidal shim 12 is sized to mate with the trapezoidal groove. Four fixed connecting pieces are respectively arranged around the large arm body 1; the fixed connecting piece is provided with a through hole. The large arm body 1 near the hollow opening 6 is provided with a threaded seat matched with the through hole and the screw 7. The large arm body 1 is connected with the threaded seat through a screw 7 passing through the through hole. The rubber pad 11 is shaped as a curved surface with the middle part sinking into the hollow opening 6. The mounting screws 13 are hexagon socket countersunk head screws.
The working principle and the using method of the embodiment of the utility model are as follows:
when cable arrangement or maintenance is needed, or external cables are added, the screws 7 are unscrewed, and the large arm cover plate 2 is detached. When cables need to be arranged, arranging the line cables according to the specified sequence and position according to the requirements of the robot; when the maintenance is needed, the line cable with the problems is taken out for maintenance or replacement, and the well-made cable is replaced to the position of the original cable; the middle part of a circuit cable which is laid or repaired and put back and used for robot connection is put into the hollow part inside the large arm connecting rod through the hollow opening 6; after arrangement or maintenance is finished, the cable is wrapped and tidied by the flame-retardant soft cloth, and then the large-arm cover plate 2 is installed through the screw 7.
Example two
As shown in fig. 1, 2, 3, 4, and 6, the large arm structure of the articulated robot of the present embodiment includes a large arm body 1, a large arm cover plate 2, and two dust-proof assemblies 3. The large arm body 1 comprises a large arm connecting rod, a first cavity 4 and a second cavity 5. The big arm connecting rod is hollow and is provided with a hollow opening 6 in the center of the upper part. One end of the big arm connecting rod is provided with a first cavity 4 which is integrally formed with the big arm connecting rod and is provided with an opening at the upper part, and the other end of the big arm connecting rod is provided with a second cavity 5 which is integrally formed with the big arm connecting rod and is provided with an opening at the upper part. The large arm cover plate 2 is an arch-shaped shell cover. Big arm apron 2 passes through screw 7 demountable installation in fretwork opening 6's top, and big arm apron 2 is used for covering the left and right sides of fretwork opening 6. Two dustproof subassemblies 3 are respectively and fixedly installed on two sides of the large arm cover plate 2. The dustproof assembly 3 comprises rubber pads 11, trapezoidal thin gaskets 12 and mounting screws 13 which are arranged at two ends of the large-arm cover plate 2. The inner sides of the two ends of the large arm cover plate 2 are respectively provided with a ladder-shaped groove. The center of the trapezoidal groove 9 is provided with a threaded through hole 10. The trapezoidal shim presses one end of the rubber pad 11 against the trapezoidal groove, and the rubber pad 11 is fixed to the inner side of the boom cover 2 by the mounting screw 13. The rubber pads 11 are cut into a plurality of strips and used for matching with the large arm cover plate 2 to completely cover the hollowed-out openings 6. The large arm body 1 is made of aluminum alloy casting. The trapezoidal shim 12 is sized to mate with the trapezoidal groove. Four fixed connecting pieces are respectively arranged on the periphery of the large arm body 1; the fixed connecting piece is provided with a through hole. The large arm body 1 near the hollow opening 6 is provided with a threaded seat matched with the through hole and the screw 7. The large arm body 1 is connected with the threaded seat through a screw 7 passing through the through hole. The rubber pad 11 is shaped as a curved surface with the middle part sinking into the hollow opening 6. The mounting screws 13 are hexagon socket countersunk head screws. The inner wall of the big arm cover plate 2 is provided with a reticular filter paper 14. The big arm cover plate 2 is made of transparent material.
The working principle and the using method of the embodiment of the utility model are as the first embodiment. The inner wall of big arm apron 2 is equipped with netted filter paper 14, can play the effect of removing dust, owing to set up big arm apron 2 and make for transparent material, be convenient for can discover the laying dust problem fast and clear up the maintenance under the more condition of laying dust.
The foregoing description of the specific exemplary embodiments of the utility model has been presented for the purposes of illustration and description and is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching, although examples of the utility model are shown and described, the present examples are intended to be illustrative of the utility model and are not to be considered limiting, and the particular features, structures, materials, or characteristics described may be suitably combined in any one or more of the examples or examples, selected from and described to explain certain principles of the utility model and its practical application, to thereby enable others skilled in the art to modify, if necessary, the examples without materially departing from the principles and spirit of the utility model, Alternatives, modifications, and variations are possible but are within the scope of the appended claims.
Claims (8)
1. The utility model provides a big arm structure of articulated robot which characterized in that: the large arm comprises a large arm body, a large arm cover plate and two dustproof assemblies; the large arm body comprises a large arm connecting rod, a first cavity and a second cavity; the large arm connecting rod is a connecting rod which is hollow inside and is provided with a hollow opening in the center of the upper part; one end of the big arm connecting rod is provided with a first cavity which is integrally formed with the big arm connecting rod and is provided with an opening at the upper part, and the other end of the big arm connecting rod is provided with a second cavity which is integrally formed with the big arm connecting rod and is provided with an opening at the upper part; the large arm cover plate is an arched shell cover; the large arm cover plate is detachably arranged above the hollowed-out opening through a screw, and the area of the large arm cover plate projected to the large arm body can cover the whole hollowed-out opening; the two dustproof components are respectively and fixedly arranged on two sides of the large arm cover plate; the dustproof assembly comprises rubber pads, trapezoidal thin gaskets and mounting screws which are arranged at two ends of the large arm cover plate; ladder-shaped grooves are respectively formed in the inner sides of the two ends of the large arm cover plate; a threaded through hole is formed in the center of the trapezoidal groove; one end of the rubber pad is pressed on the trapezoidal groove by the trapezoidal thin gasket, and the rubber pad is fixed on the inner side of the large-arm cover plate by the mounting screw; the rubber pad is cut into a plurality of strips and is used for matching with the large arm cover plate to completely cover the hollowed-out opening.
2. The articulated robot boom structure of claim 1, wherein: the large arm body is made of aluminum alloy castings.
3. The articulated robot boom structure of claim 1, wherein: the size of the trapezoidal thin gasket is set to be matched and connected with the trapezoidal groove.
4. The articulated robot boom structure of claim 1, wherein: four fixed connecting pieces are respectively arranged on the periphery of the large arm body; the fixed connecting piece is provided with a through hole; a threaded seat matched with the through hole and the screw is arranged on the large arm body near the hollow opening; the large arm body penetrates through the through hole through a screw to be connected with the threaded seat through threads.
5. The articulated robot boom structure of claim 1, wherein: the rubber pad is in a curved surface with the middle part sunken inwards to the hollow opening.
6. The articulated robot boom structure of claim 1, wherein: the mounting screw is a hexagon socket countersunk head screw.
7. The articulated robot boom structure of claim 1, wherein: the inner wall of the big arm cover plate is provided with net-shaped filter paper.
8. The articulated robot boom structure of claim 7, wherein: the big arm cover plate is made of transparent materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122397837.2U CN216609062U (en) | 2021-09-30 | 2021-09-30 | Big arm structure of articulated robot |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122397837.2U CN216609062U (en) | 2021-09-30 | 2021-09-30 | Big arm structure of articulated robot |
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| CN216609062U true CN216609062U (en) | 2022-05-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115556138A (en) * | 2021-09-30 | 2023-01-03 | 广西机械工业研究院有限责任公司 | A multi-joint robot arm structure |
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2021
- 2021-09-30 CN CN202122397837.2U patent/CN216609062U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115556138A (en) * | 2021-09-30 | 2023-01-03 | 广西机械工业研究院有限责任公司 | A multi-joint robot arm structure |
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