CN214981182U - Be applied to screw rod spline protective structure for robot arm of assembly operation - Google Patents
Be applied to screw rod spline protective structure for robot arm of assembly operation Download PDFInfo
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- CN214981182U CN214981182U CN202120400788.0U CN202120400788U CN214981182U CN 214981182 U CN214981182 U CN 214981182U CN 202120400788 U CN202120400788 U CN 202120400788U CN 214981182 U CN214981182 U CN 214981182U
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- spline
- screw rod
- telescopic pipe
- expansion pipe
- sleeved outside
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Abstract
The utility model discloses a screw rod spline protection structure for a robot arm applied to assembly operation, which comprises a screw rod spline, wherein the screw rod spline is movably penetrated through a body cover and is provided with an upper expansion pipe and a lower expansion pipe, the upper expansion pipe is movably sleeved outside the screw rod spline on the body cover, the lower expansion pipe is movably sleeved outside the screw rod spline on the lower surface of the body cover, two end ports of the upper expansion pipe and the lower expansion pipe are respectively used for sealing the screw rod spline, because the utility model is provided with the upper expansion pipe and the lower expansion pipe, the upper end and the lower end of the screw rod spline are protected and isolated through the upper expansion pipe and the lower expansion pipe, the external environment pollution can be resisted, the pollution of self lubricating grease and powder to the external environment can be reduced at the same time, the upper expansion pipe and the lower expansion pipe can expand, the flexible structure of the expansion pipe can adapt to the strokes of different screw rod splines, and the upper section and the lower section of the screw rod spline are flexibly protected, just the utility model discloses simple structure, the practicality, whole with low costs does benefit to the popularization.
Description
Technical Field
The utility model relates to a be applied to the robot arm of assembly operation, especially a be applied to lead screw spline protective structure for robot arm of assembly operation.
Background
At present, a typical Robot Arm (Selective Compliance Assembly Robot Arm, abbreviated as SCARA) applied to Assembly work has a screw spline portion of the Robot Arm, and upper and lower ends of the screw spline portion are exposed and directly contacted with an external environment in the up-and-down operation process. Thus: 1, the grease and the running-in powder on the surface of the screw mandrel spline directly pollute the application environment, so that the production conditions are difficult to meet in the application industries with higher environmental requirements such as food and the like; 2, the external salt fog, dust and other environments directly pollute the screw rod spline, and the operation performance and the service life are influenced; 3, because there is the demand of customization lead screw spline stroke in practical application in SCARA robot, especially long stroke demand, be difficult for keeping apart the protection simultaneously through the housing to both ends about the lead screw spline.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects, the utility model provides a be applied to screw rod spline protective structure for robot arm of assembly operation, this protective structure can promote the screw rod spline part and resist external environment pollution ability and reduce the pollution of self lubricating grease and powder to external environment simultaneously, and the demand of the different strokes of adaptation screw rod spline.
The utility model discloses a solve the technical scheme that its technical problem adopted and be: a screw rod spline protection structure for a robot arm applied to assembly operation comprises a screw rod spline, the screw rod spline is movably arranged through a body cover, the lower end of the screw rod spline is connected with an extension shaft, the extension shaft is used for installing a clamp,
an upper bearing is fixedly arranged in the upper fixing ring, the upper part and the lower part of the upper bearing are respectively provided with a check ring, the check rings are positioned in the upper fixing ring, and the upper bearing is sleeved at the upper end of a lead screw spline; namely, the screw rod spline and the upper fixing ring can rotate through the upper bearing;
is provided with an upper telescopic pipe and a lower telescopic pipe, the upper telescopic pipe is movably sleeved outside a screw rod spline on the upper surface of the body cover, the lower telescopic pipe is movably sleeved outside the screw rod spline on the lower surface of the body cover,
the upper end opening of the upper extension tube is fixedly sleeved outside the upper fixing ring (in this example, the upper extension tube is fastened by a hoop);
the screw rod spline connecting structure is characterized by comprising a first connecting piece, wherein the first connecting piece is movably sleeved outside a screw rod spline and is fixed on a body, the first connecting piece is positioned on a cover shell of the body, and a lower port of an upper telescopic pipe is fixedly sleeved outside the first connecting piece (in the embodiment, the lower port is fastened by a clamp);
the screw rod spline is provided with a second connecting piece, the second connecting piece is movably sleeved outside the screw rod spline and is fixed on the body, the second connecting piece is positioned below the body housing, and the upper port of the lower telescopic pipe is fixedly sleeved outside the second connecting piece (in the embodiment, the lower telescopic pipe is fastened by a clamp);
the lower fixing ring is arranged, the lower bearing is fixedly arranged in the lower fixing ring, the upper part and the lower part of the lower bearing are respectively provided with a retaining ring, the retaining rings are positioned in the lower fixing ring, the lower bearing sleeve is arranged on the extension shaft, and the lower port of the lower extension pipe is fixedly sleeved outside the lower fixing ring (in the embodiment, the lower extension pipe is fastened by a clamp).
The utility model discloses a further technical scheme is: the upper and lower telescopic pipes are corrugated pipes.
The utility model discloses a further technical scheme is: an O-shaped sealing ring is arranged between the inner wall of the upper port of the upper telescopic pipe and the outer surface of the upper fixing ring, so that the upper port of the upper telescopic pipe seals the upper end of the screw rod spline.
The utility model discloses a further technical scheme is: an O-shaped sealing ring is arranged between the inner wall of the lower port of the upper telescopic pipe and the outer surface of the first connecting piece, so that sealing isolation is facilitated; therefore, the lower port of the upper telescopic pipe seals the spline of the screw rod.
The utility model discloses a further technical scheme is: an O-shaped sealing ring is arranged between the inner wall of the upper port of the lower telescopic pipe and the outer surface of the second connecting piece, so that sealing isolation is facilitated; therefore, the upper port of the lower telescopic pipe seals the spline of the screw rod.
The utility model discloses a further technical scheme is: an O-shaped sealing ring is arranged between the inner wall of the lower port of the lower telescopic pipe and the outer surface of the lower fixing ring, so that sealing and isolation are facilitated, and the lower port of the lower telescopic pipe seals the screw rod spline.
The utility model has the advantages that: because the utility model discloses be equipped with upper and lower expansion pipe, go up outside the lead screw spline above the flexible pipe movable sleeve locates the body housing, outside the lead screw spline below the body housing was located to lower expansion pipe movable sleeve, through upper and lower expansion pipe (bellows) on to the lead screw spline, the lower extreme protected and keeps apart like this, can resist external environment pollution ability and reduce self lubricating grease and powder simultaneously to the pollution of external environment, again, upper and lower expansion pipe can stretch out and draw back, and the flexible structure of the flexible pipe of accessible adapts to the stroke of different lead screw splines, two sections flexible protection about the lead screw spline, just the utility model discloses simple structure, it is practical, overall cost is low, does benefit to the popularization.
Drawings
Fig. 1 is a schematic view of the present invention.
Detailed Description
The embodiment provides a screw rod spline protection structure for a robot arm, which is applied to assembly operation and comprises a screw rod spline, wherein the screw rod spline movably penetrates through a body housing 8, the lower end of the screw rod spline is connected with an extension shaft 7, and the extension shaft is used for installing a clamp;
an upper bearing is fixedly arranged in the upper fixing ring 1, the upper part and the lower part of the upper bearing are respectively provided with a retaining ring, the retaining rings are positioned in the upper fixing ring, and the upper bearing is sleeved at the upper end of a lead screw spline; namely, the screw rod spline and the upper fixing ring can rotate through the upper bearing;
is provided with an upper telescopic pipe 3 and a lower telescopic pipe 5, the upper telescopic pipe is movably sleeved outside a screw rod spline on the upper surface of the body cover, the lower telescopic pipe is movably sleeved outside the screw rod spline on the lower surface of the body cover,
the upper end opening of the upper telescopic pipe is fixedly sleeved outside the upper fixing ring (in the embodiment, the upper fixing ring is fastened by a hoop), and an O-shaped sealing ring is arranged between the inner wall of the upper end opening of the upper telescopic pipe and the outer surface of the upper fixing ring, so that the upper end opening of the upper telescopic pipe seals the upper end of the spline of the screw rod;
the screw rod spline connecting structure is provided with a first connecting piece 4, the first connecting piece is movably sleeved outside the screw rod spline, the first connecting piece is fixed on the body and is positioned on the body cover, the lower port of the upper telescopic pipe is fixedly sleeved outside the first connecting piece (the embodiment is fastened by a clamp), and an O-shaped sealing ring is arranged between the inner wall of the lower port of the upper telescopic pipe and the outer surface of the first connecting piece, so that sealing isolation is facilitated; thus, the lower port of the upper telescopic pipe seals the spline of the screw rod;
the screw rod spline is provided with a second connecting piece 6, the second connecting piece is movably sleeved outside the screw rod spline and is fixed on the body, the second connecting piece is positioned below the body housing, the upper port of the lower telescopic pipe is fixedly sleeved outside the second connecting piece (in the embodiment, the upper port is fastened by a clamp), and an O-shaped sealing ring is arranged between the inner wall of the upper port of the lower telescopic pipe and the outer surface of the second connecting piece, so that the sealing isolation is facilitated; thus, the upper port of the lower telescopic pipe seals the spline of the screw rod;
the lower fixing ring 2 is arranged, the lower bearing is fixedly arranged in the lower fixing ring, the upper part and the lower part of the lower bearing are respectively provided with a retaining ring, the retaining rings are positioned in the lower fixing ring, the lower bearing sleeve is arranged on the extension shaft, the lower port of the lower extension pipe is fixedly sleeved outside the lower fixing ring (the embodiment is fastened by a clamp), an O-shaped sealing ring is arranged between the inner wall of the lower port of the lower extension pipe and the outer surface of the lower fixing ring, sealing isolation is facilitated, and therefore the spline of the screw rod is also sealed by the lower port of the lower extension pipe.
The upper and lower telescopic pipes are corrugated pipes.
Claims (6)
1. The utility model provides a be applied to lead screw spline protective structure for robot arm of assembly operation, includes the lead screw spline, the body housing is worn to establish in the activity of lead screw spline, and lead screw spline lower extreme is connected with the extension axle, and the extension axle is used for the clamping utensil, characterized by:
an upper bearing is fixedly arranged in the upper fixing ring, the upper part and the lower part of the upper bearing are respectively provided with a check ring, the check rings are positioned in the upper fixing ring, and the upper bearing is sleeved at the upper end of a lead screw spline;
is provided with an upper telescopic pipe and a lower telescopic pipe, the upper telescopic pipe is movably sleeved outside a screw rod spline on the upper surface of the body cover, the lower telescopic pipe is movably sleeved outside the screw rod spline on the lower surface of the body cover,
the upper end opening of the upper telescopic pipe is fixedly sleeved outside the upper fixing ring;
the screw rod spline connecting device is provided with a first connecting piece, the first connecting piece is movably sleeved outside the screw rod spline and is fixed on the body, the first connecting piece is positioned on the body cover, and the lower port of the upper telescopic pipe is fixedly sleeved outside the first connecting piece;
the screw rod spline is movably sleeved outside the screw rod spline, the second connecting piece is fixed on the body and is positioned below the body housing, and the upper port of the lower telescopic pipe is fixedly sleeved outside the second connecting piece;
the lower fixing ring is arranged, the lower bearing is fixedly arranged in the lower fixing ring, the upper part and the lower part of the lower bearing are respectively provided with a retaining ring, the retaining rings are positioned in the lower fixing ring, the lower bearing sleeve is arranged on the extension shaft, and the lower end opening of the lower extension pipe is fixedly sleeved outside the lower fixing ring.
2. The screw spline protection structure for a robot arm according to claim 1, wherein the screw spline protection structure comprises: the upper and lower telescopic pipes are corrugated pipes.
3. The screw spline protection structure for a robot arm according to claim 1 or 2, wherein: an O-shaped sealing ring is arranged between the inner wall of the upper port of the upper telescopic pipe and the outer surface of the upper fixing ring.
4. The screw spline protection structure for a robot arm according to claim 3, wherein the screw spline protection structure comprises: an O-shaped sealing ring is arranged between the inner wall of the lower port of the upper telescopic pipe and the outer surface of the first connecting piece.
5. The screw spline protection structure for a robot arm according to claim 4, wherein the screw spline protection structure comprises: an O-shaped sealing ring is arranged between the inner wall of the upper port of the lower telescopic pipe and the outer surface of the second connecting piece.
6. The screw spline protection structure for a robot arm according to claim 5, wherein the screw spline protection structure comprises: an O-shaped sealing ring is arranged between the inner wall of the lower port of the lower telescopic pipe and the outer surface of the lower fixing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120400788.0U CN214981182U (en) | 2021-02-23 | 2021-02-23 | Be applied to screw rod spline protective structure for robot arm of assembly operation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120400788.0U CN214981182U (en) | 2021-02-23 | 2021-02-23 | Be applied to screw rod spline protective structure for robot arm of assembly operation |
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| Publication Number | Publication Date |
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| CN214981182U true CN214981182U (en) | 2021-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120400788.0U Active CN214981182U (en) | 2021-02-23 | 2021-02-23 | Be applied to screw rod spline protective structure for robot arm of assembly operation |
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| CN (1) | CN214981182U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873281A (en) * | 2021-02-23 | 2021-06-01 | 昆山艾派科技有限公司 | Be applied to screw rod spline protective structure for robot arm of assembly operation |
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2021
- 2021-02-23 CN CN202120400788.0U patent/CN214981182U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112873281A (en) * | 2021-02-23 | 2021-06-01 | 昆山艾派科技有限公司 | Be applied to screw rod spline protective structure for robot arm of assembly operation |
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