CN218761181U - Chain transmission mechanism of industrial robot - Google Patents
Chain transmission mechanism of industrial robot Download PDFInfo
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- CN218761181U CN218761181U CN202222320669.1U CN202222320669U CN218761181U CN 218761181 U CN218761181 U CN 218761181U CN 202222320669 U CN202222320669 U CN 202222320669U CN 218761181 U CN218761181 U CN 218761181U
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Abstract
The utility model belongs to the technical field of industrial robots, in particular to a chain transmission mechanism of an industrial robot, which comprises a robot body, a first chain wheel and a second chain wheel which are arranged on the robot body, and a chain which is meshed and connected with the surfaces of the first chain wheel and the second chain wheel, wherein a tightening component is arranged in the robot body; this mechanism tightens up the subassembly through at robot body internally mounted, thereby it drives the control lever drive control lever on the slider to make two sliders remove to opposite direction through spring extrusion slider and promotes the bearing board and extrude the chain of both sides, make the chain tighten up, thereby realize need not dismantling just can make the chain tighten up to the chain, make chain and first sprocket and second sprocket closely laminate, thereby avoid appearing jumping the tooth phenomenon because the chain crosses the pine chain and sprocket, and cooperation lubrication assembly, can carry out the oil application operation to the chain through defeated oil pipe, can reduce the frictional force between chain and the sprocket, improve the high mechanical rate of chain.
Description
Technical Field
The utility model belongs to the technical field of industrial robot, concretely relates to industrial robot's chain drive.
Background
The chain transmission is a mechanical power transmission system, it uses the chain to transmit the power from one place to another place, the traditional chain transmission device is made up of two or more chain wheels and chains, the hole on the chain link is installed on chain wheel tooth, when the prime mover rotates, the chain wound on the shaft chain wheel also rotates, one of the main advantages of the chain transmission is that because of its zero sliding property, it can keep the constant velocity ratio, the power transmission has no lag, therefore, it can be used as the timing chain in the application of internal-combustion engine, industrial robot, etc., it also ensures the high mechanical efficiency without slipping, but the chain transmission also has certain disadvantages, because the chain transmission structure has polygon effect, the long-time high-efficient transmission can make the chain junction gap enlarge, the transmission chain sag is too large, the tooth jump phenomenon appears at the meshing part, generally the problem of tooth jump can be relieved by detaching several chain links, but this method is relatively tedious to operate, influence the operating efficiency.
In order to solve the above problem, a chain transmission mechanism of an industrial robot is provided in the present application.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides an industrial robot's chain drive has and need not dismantle the chain link and just can tighten up the chain, makes chain and sprocket closely laminate throughout, can reduce the chain and beat the characteristics that cause the tooth of jumping.
In order to achieve the above purpose, the utility model provides a following technical scheme: a chain transmission mechanism of an industrial robot comprises a robot body, a first chain wheel, a second chain wheel and a chain, wherein the first chain wheel, the second chain wheel and the chain are installed on the robot body;
tighten up the subassembly and include first fixed block, second fixed block, slide bar, spring, baffle, slider, control lever, bearing board, telescopic link and first runner, the inside of robot is located two first sprocket with second sprocket intermediate position department installs first fixed block, the fixed surface of first fixed block is connected with the second fixed block, the fixed surface of second fixed block is connected with the slide bar, the equal fixedly connected with in both ends of slide bar the baffle, the sliding surface of slide bar is connected with the slider, the surface of slide bar is around being equipped with the spring, the both ends of spring respectively with the baffle with slider fixed connection, the surface of slider rotates through first pivot to be connected with the control lever, the control lever is kept away from the one end of slide bar rotates through second pivot and bearing board to be connected, the surface of bearing board pass through the fixed block with telescopic link fixed connection, the telescopic link is kept away from the one end of bearing board with second fixed block fixed connection, the face of bearing board all rotates through the third pivot and is connected with first runner, first runner with chain sliding connection.
As the utility model relates to an industrial robot's chain drive is preferred, tighten up the subassembly and still include fixing base and second runner, the internal face fixedly connected with of robot body the fixing base, the fixing base rotates through the fourth pivot to be connected with the second runner, the second runner with chain sliding connection.
As the utility model relates to an industrial robot's chain drive is preferred, tighten up the subassembly and still include spacing dish, the internal face sliding connection of telescopic link has spacing dish.
As the utility model relates to an industrial robot's chain drive is preferred, still includes lubricating component, lubricating component is including oozing oiled plate, defeated oil pipe and brush, the inside of robot is located the top position department fixedly connected with of second sprocket oozes the oiled plate, the last fixed surface who oozes the oiled plate is connected with defeated oil pipe, defeated oil pipe runs through the robot, the lower fixed surface who oozes the oiled plate is connected with the brush.
Compared with the prior art, the beneficial effects of the utility model are that:
this mechanism tightens up the subassembly through at robot body internally mounted, make two sliders remove to opposite direction through spring extrusion slider, thereby make the control lever on the slider drive the control lever and promote the bearing board and extrude the chain of both sides, make the chain tighten up, thereby realize need not dismantling just can make the chain tighten up to the chain, make chain and first sprocket and second sprocket closely laminate, thereby avoid appearing jumping the tooth phenomenon with the sprocket because the chain is too loose, and cooperate lubricated subassembly, can carry out the oil application operation to the chain through defeated oil pipe, can reduce the frictional force between chain and the sprocket, improve the high mechanical rate of chain.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view of the point A of the present invention;
fig. 3 is a sectional view of the telescopic rod of the present invention;
fig. 4 is an enlarged view of the position B of the present invention.
In the figure:
1. a robot body; 11. a first sprocket; 12. a second sprocket; 13. a chain;
2. a tightening assembly; 21. a first fixed block; 22. a second fixed block; 23. a slide bar; 231. a spring; 232. a baffle plate; 24. a slider; 25. a control lever; 26. a support plate; 261. a telescopic rod; 262. a limiting disc; 27. a first runner; 28. a fixed seat; 29. a second runner;
3. a lubrication assembly; 31. an oil seepage plate; 32. an oil delivery pipe; 33. and a brush.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1:
a chain transmission mechanism of an industrial robot comprises a robot body 1, and a first chain wheel 11, a second chain wheel 12 and a chain 13 which are arranged on the robot body 1.
In this embodiment: the chain 13 transmission mechanism of the existing industrial robot drives the first chain wheel 11 inside the robot body 1 through the motor, so that the first chain wheel 11 is meshed with the chain 13 to drive the second chain wheel 12 to rotate along with the chain.
It should be noted that: because chain drive structure has the polygon effect, long-time high-efficient transmission can make the chain 13 junction clearance grow, appears that drive chain 13 degree of hanging down too big, can appear the meshing position and jump the tooth phenomenon, generally can all alleviate the problem of jumping the tooth through dismantling several sections chain links, but this kind of method is operated more loaded down with trivial details, influences the operating efficiency.
Further, the method comprises the following steps:
a tightening unit 2 is mounted on the robot body 1.
Further, the method comprises the following steps:
as shown in fig. 1, 2 and 3:
in combination with the above: this tighten up subassembly 2 includes first fixed block 21, second fixed block 22, slide bar 23, spring 231, baffle 232, slider 24, control lever 25, bearing board 26, telescopic link 261 and first runner 27, the inside of robot 1 is located two first sprockets 11 and second sprocket 12 intermediate position department and installs first fixed block 21, the fixed surface of first fixed block 21 is connected with second fixed block 22, the fixed surface of second fixed block 22 is connected with slide bar 23, the equal fixedly connected with baffle 232 in both ends of slide bar 23, the sliding surface of slide bar 23 is connected with slider 24, the surface of slide bar 23 is around being equipped with spring 231, the both ends of spring 231 respectively with baffle 232 and slider 24 fixed connection, the surface of slider 24 rotates through first pivot and is connected with control lever 25, the one end that slider 24 was kept away from to control lever 25 rotates through second pivot and is connected with bearing board 26, the surface of bearing board 26 rotates through fixed block and telescopic link 261 fixed connection, the one end that bearing board 26 was kept away from to the telescopic link is kept away from to the telescopic link 261 is connected with second fixed block 22, both end faces of bearing board 26 all rotates through third pivot and is connected with first runner 27, first runner 27 and chain sliding connection.
In this embodiment: the first fixing blocks 21 are installed at the middle positions of the first chain wheel 11 and the second chain wheel 12, the second fixing blocks 22 are installed on two sides of the first fixing blocks 21, the sliding rod 23 is fixed on the second fixing blocks 22, the baffle plates 232 are fixedly installed at two ends of the sliding rod 23, the sliding block 24 is pushed by the spring 231 on the sliding rod 23 to slide on the surface of the sliding rod 23, so that the control rod 25 on the sliding block 24 drives the bearing plate 26 to tighten the chain 13, the first rotating wheels 27 are installed at two ends of the bearing plate 26 to enable the first rotating wheels 27 to slide with the chain 13, friction between the bearing plate 26 and the chain 13 can be reduced, the transmission ratio is improved, the chain 13 can be tightened without disassembling the chain 13, the chain 13 is tightly attached to the first chain wheel 11 and the second chain wheel 12, and the phenomenon that the chain 13 jumps due to the fact that the chain 13 is too loosened is avoided.
It should be noted that: by providing a groove inside the robot body 1, the first runner 27 on the support plate 26 avoids friction with the robot body 1 when the chain 13 is squeezed outwards.
Further, the method comprises the following steps of;
in an optional embodiment, the tightening assembly 2 further includes a fixed seat 28 and a second rotating wheel 29, the fixed seat 28 is fixedly connected to an inner wall surface of the robot body 1, the fixed seat 28 is rotatably connected to the second rotating wheel 29 through a fourth rotating shaft, and the second rotating wheel 29 is slidably connected to the chain 13.
In this embodiment: two fixed seats 28 are fixedly arranged on both sides of the inner chain 13 of the robot body 1, and the chain 13 can be tightened by arranging a second rotating wheel 29 on the fixed seat 28 to be matched with the first rotating wheel 27 on the bearing plate 26.
It should be noted that: two fixed seats 28 and a second rotating wheel 29 are fixedly arranged on both sides of the chain 13, and the friction of the chain 13 can be reduced by matching the second rotating wheel 29 when the bearing plate 26 tightens the chain 13.
Further, the method comprises the following steps of;
in an optional embodiment, the tightening assembly 2 further includes a limiting disc 262, and the inner wall surface of the telescopic rod 261 is slidably connected with the limiting disc 262.
In this embodiment: the purpose that the supporting plate 26 supports the chain 13 stably can be played through installing the telescopic rod 261 at the bottom of the supporting plate 26, and the position of the position where the supporting plate 26 moves can be limited by the limiting disc 262 arranged inside the telescopic rod 261.
It should be noted that: the telescopic link 261 has the body of rod two parts to constitute with the body of rod, and the body of rod is located the inside terminal surface fixed mounting of body of rod and has spacing dish 262, spacing dish 262 and body internal face size looks adaptation.
Further, the method comprises the following steps of;
as shown in fig. 4:
this industrial robot's chain drive still includes lubricating component 3, and lubricating component 3 is including oozing oiled plate 31, defeated oil pipe 32 and brush 33, and the inside of robot body 1 is located the top position fixedly connected with of second sprocket 12 and oozes oiled plate 31, and the last fixed surface of oozing oiled plate 31 is connected with defeated oil pipe 32, and defeated oil pipe 32 runs through robot body 1, and the lower fixed surface of oozing oiled plate 31 is connected with brush 33.
In this embodiment: lubricating oil is injected onto the chain 13 through the oil delivery pipe 32, and the brush 33 on the oil seepage plate 31 is used for wiping oil on the chain 13, so that the abrasion between the chain 13 and the first chain wheel 11 and the second chain wheel 12 is reduced, and the transmission efficiency is improved.
It should be noted that: a plurality of oil-penetrating holes are formed in the oil-penetrating plate 31 in a scattered manner, so that the lubricating oil can slowly penetrate from the inside of the oil-penetrating plate 31, and the brush 33 can be used for wiping the chain 13.
It should be noted that: the oil delivery pipe 32 is connected with the oil tank on the robot body 1 at the end far away from the oil seepage plate 31, so that the oil smearing and lubricating operation on the chain 13 is facilitated.
The working principle is as follows: the chain transmission mechanism is characterized in that a tightening component 2 is arranged in a robot body 1, a first fixing block 21 is arranged at the middle position of a first chain wheel 11 and a second chain wheel 12, second fixing blocks 22 are arranged on two sides of the first fixing block 21, a sliding rod 23 is fixed on the second fixing blocks 22, baffle plates 232 are fixedly arranged on two ends of the sliding rod 23, a sliding block 24 is pushed to slide on the surface of the sliding rod 23 through a spring 231 on the sliding rod 23, so that a control rod 25 on the sliding block 24 drives a bearing plate 26 to tighten a chain 13, a first rotating wheel 27 is arranged on two ends of the bearing plate 26, the first rotating wheel 27 slides with the chain 13, the friction between the bearing plate 26 and the chain 13 can be reduced, the transmission ratio is improved, two fixing seats 28 are fixedly arranged on two sides of the chain 13 in the robot body 1, the chain 13 can be tightened by installing the second rotating wheel 29 on the fixed seat 28 to be matched with the first rotating wheel 27 on the bearing plate 26, so that the chain 13 can be tightened without disassembling the chain 13, the chain 13 is tightly attached to the first chain wheel 11 and the second chain wheel 12, the phenomenon of tooth jumping between the chain 13 and the chain wheels due to the fact that the chain 13 is loosened is avoided, the purpose of bearing stability of the chain 13 by the bearing plate 26 can be achieved by installing the telescopic rod 261 at the bottom of the bearing plate 26, the position of the moving position of the bearing plate 26 can be limited by the limiting disc 262 arranged inside the telescopic rod 261, the lubricating component 3 is matched, lubricating oil is injected onto the chain 13 through the oil conveying pipe 32, the oil wiping operation is carried out on the chain 13 through the brush 33 on the oil seepage plate 31, and the friction force between the chain 13 and the first chain wheel 11 and the second chain wheel 12 is reduced, the transmission efficiency is improved.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (4)
1. The utility model provides an industrial robot's chain drive, includes robot body (1), installs first sprocket (11), second sprocket (12) and chain (13) on robot body (1), its characterized in that: a tightening assembly (2) is arranged in the robot body (1);
the tightening assembly (2) comprises a first fixing block (21), a second fixing block (22), a sliding rod (23), a spring (231), a baffle plate (232), a sliding block (24), a control rod (25), a bearing plate (26), a telescopic rod (261) and a first rotating wheel (27), the interior of the robot body (1) is located at two positions of the middle position of the first chain wheel (11) and the second chain wheel (12) and is provided with the first fixing block (21), the surface of the first fixing block (21) is fixedly connected with the second fixing block (22), the surface of the second fixing block (22) is fixedly connected with the sliding rod (23), the two ends of the sliding rod (23) are fixedly connected with the baffle plate (232), the surface of the sliding rod (23) is connected with the sliding block (24) in a sliding mode, the surface of the sliding rod (23) is wound with the spring (231), the two ends of the spring (231) are respectively fixedly connected with the baffle plate (232) and the sliding block (24), the surface of the sliding block (24) is rotatably connected with the control rod (25) through a first rotating shaft, one end of the control rod (24) is connected with the bearing plate (261) through the bearing plate (26), one end of the supporting plate (26) far away from the telescopic rod (261) is fixedly connected with the second fixing block (22), two end faces of the supporting plate (26) are rotatably connected with the first rotating wheel (27) through a third rotating shaft, and the first rotating wheel (27) is connected with the chain (13) in a sliding mode.
2. The chain transmission mechanism of an industrial robot according to claim 1, characterized in that: the tightening assembly (2) further comprises a fixed seat (28) and a second rotating wheel (29), the fixed seat (28) is fixedly connected to the inner wall surface of the robot body (1), the fixed seat (28) is rotatably connected with the second rotating wheel (29) through a fourth rotating shaft, and the second rotating wheel (29) is in sliding connection with the chain (13).
3. The chain transmission mechanism of an industrial robot according to claim 1, characterized in that: the tightening assembly (2) further comprises a limiting disc (262), and the inner wall surface of the telescopic rod (261) is connected with the limiting disc (262) in a sliding mode.
4. The chain transmission mechanism of an industrial robot according to claim 1, characterized in that: still include lubricated subassembly (3), lubricated subassembly (3) are including oozing oil board (31), defeated oil pipe (32) and brush (33), the inside of robot body (1) is located the top position fixedly connected with of second sprocket (12) is located ooze oil board (31), the last fixed surface who oozes oil board (31) is connected with defeated oil pipe (32), defeated oil pipe (32) run through robot body (1), the lower fixed surface who oozes oil board (31) is connected with brush (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222320669.1U CN218761181U (en) | 2022-09-01 | 2022-09-01 | Chain transmission mechanism of industrial robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222320669.1U CN218761181U (en) | 2022-09-01 | 2022-09-01 | Chain transmission mechanism of industrial robot |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218761181U true CN218761181U (en) | 2023-03-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222320669.1U Active CN218761181U (en) | 2022-09-01 | 2022-09-01 | Chain transmission mechanism of industrial robot |
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| Country | Link |
|---|---|
| CN (1) | CN218761181U (en) |
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- 2022-09-01 CN CN202222320669.1U patent/CN218761181U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230607 Address after: 202, Building 31, East the Taihu Lake Lake Garden, No. 8, Hujing Street, East the Taihu Lake Lake Eco tourism Resort (the Taihu Lake New Town), Wujiang District, Suzhou City, Jiangsu Province, 215000 Patentee after: Suzhou Wutonghua Intelligent Technology Co.,Ltd. Address before: Building 1, 2887 Zhongdu Avenue, Chuzhou City, Anhui Province, 239000 Patentee before: Xu Zhe |