CN203819612U - Mechanical arm folding mechanism - Google Patents
Mechanical arm folding mechanism Download PDFInfo
- Publication number
- CN203819612U CN203819612U CN201420241609.3U CN201420241609U CN203819612U CN 203819612 U CN203819612 U CN 203819612U CN 201420241609 U CN201420241609 U CN 201420241609U CN 203819612 U CN203819612 U CN 203819612U
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- Prior art keywords
- hold
- down arm
- spring
- arm
- cylinder
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Abstract
The utility model discloses a mechanical arm folding mechanism which comprises a first supporting arm and a second supporting arm. The first supporting arm and the second supporting arm are hinged through a bearing, a supporting cylinder is arranged between the first supporting arm and the second supporting arm, one end of the supporting cylinder is hinged to the first supporting arm, and the other end of the supporting cylinder is movably connected with a spheroid. The second supporting arm is provided with a sliding groove, the spheroid is arranged in the sliding groove in a sliding mode, an auxiliary cylinder is arranged on the second supporting arm, the auxiliary cylinder is movably connected with the spheroid, and the supporting cylinder and the auxiliary cylinder are connected to two focus points of the spheroid respectively. The two sides of the first supporting arm and the two sides of the second supporting arm are respectively provided with a set of crossed first springs, and the two ends of each first spring are arranged on the first supporting arm and the second supporting arm respectively. The mechanical arm folding mechanism can overcome the defects in the prior art, increase the range of opening and closing angles, and improve smoothness of the opening and closing process.
Description
Technical field
The utility model relates to mechanical transfer technical field, especially a kind of mechanical arm fold mechanism.
Background technology
On various automatic production lines, in the time of need to transporting or carry out compression set workpiece, often to use fold mechanism.Chinese utility model patent CN101863324B discloses a kind of automatic layboy, and degree of automation is high.But this practical cylinder exists folding angle little as the structure of driver element, opens the problem with process irregularity always.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of mechanical arm fold mechanism, can solve the deficiencies in the prior art, has increased folding angular range, has improved the ride comfort of opening with process.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A kind of mechanical arm fold mechanism, comprise by bearing hinge connection the first hold-down arm and the second hold-down arm together, between described the first hold-down arm and the second hold-down arm, be provided with support cylinder, one end of supporting cylinder is hinged on the first hold-down arm, the other end that supports cylinder is connected with ellipsoid, on the second hold-down arm, be provided with chute, ellipsoid is slidably arranged in chute, on the second hold-down arm, be provided with assistant cylinder, assistant cylinder is flexibly connected with ellipsoid, supports cylinder and assistant cylinder and is connected in two focuses of ellipsoid; The both sides of the first hold-down arm and the second hold-down arm are respectively arranged with one group of first spring arranged in a crossed manner, and the two ends of the first spring are separately positioned on the first hold-down arm and the second hold-down arm.
As preferably, described chute is isosceles trapezoid, and the width of isosceles trapezoid is diminished to articulated position gradually by the top of the second hold-down arm, and the both sides of ellipsoid contact with chute by the second spring.
As preferably, in described chute, be provided with the first tooth portion, ellipsoid surface is provided with the second tooth portion matching with the first tooth portion.
As preferably, described in by two connecting straps, interconnect between two the first springs linking together, the first spring is fixed on connecting strap, between two connecting straps, by S. A., is connected.
As preferably, described the first both ends of the spring is provided with rubber coating, and rubber coating is fixed on the first hold-down arm or the second hold-down arm.
As preferably, in described cross one another two the first springs, first spring and the first hold-down arm are perpendicular, another first spring and the first hold-down arm ramp interface, and vertically disposed the first spring is 5:2～5:4 with the ratio of the elasticity modulus of the first spring being obliquely installed.
The beneficial effect that adopts technique scheme to bring is: the mode that in the utility model change prior art, cylinder and hold-down arm are fixedly hinged, and use ellipsoid to realize sliding block joint, can overcome the restriction of the length of cylinder to hold-down arm folding angle own.Along with angle strengthens, the distance between ellipsoid and chute is dwindled gradually, and the second spring carries out speed limit and buffering by elastic deformation to ellipsoid.Between ellipsoid and chute, by toothed region, match, can improve firm supporting degree.The first spring arranged in a crossed manner can be eliminated the vibration of folding initial segment and latter end.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a specific embodiment of the utility model.
Fig. 2 is the schematic diagram that in specific embodiment of the utility model, ellipsoid and chute coordinate.
Fig. 3 is the front view of the first spring in specific embodiment of the utility model.
Fig. 4 is the lateral plan of the first spring in specific embodiment of the utility model.
In figure: 1, bearing; 2, the first hold-down arm; 3, the second hold-down arm; 4, support cylinder; 5, ellipsoid; 6, chute; 7, assistant cylinder; 8, the first spring; 9, the second spring; 10, the first tooth portion; 11, the second tooth portion; 12, connecting strap; 13, S. A.; 14, rubber coating; 15, reducing.
The specific embodiment
With reference to Fig. 1-4, the present embodiment comprises by the first hinged hold-down arm 2 of bearing 1 and the second hold-down arm 3, between described the first hold-down arm 2 and the second hold-down arm 3, be provided with and support cylinder 4, one end of supporting cylinder 4 is hinged on the first hold-down arm 2, the other end that supports cylinder 4 is connected with ellipsoid 5, on the second hold-down arm 3, be provided with chute 6, ellipsoid 5 is slidably arranged in chute 6, on the second hold-down arm 3, be provided with assistant cylinder 7, assistant cylinder 7 is flexibly connected with ellipsoid 5, supporting cylinder 4 and assistant cylinder 7 is connected in two focuses of ellipsoid 5, the two ends that the both sides of the first hold-down arm 2 and the second hold-down arm 3 are respectively arranged with one group of first spring 8, the first spring 8 arranged in a crossed manner are separately positioned on the first hold-down arm 2 and the second hold-down arm 3.Described chute 6 is isosceles trapezoid, and the width of isosceles trapezoid is diminished to articulated position gradually by the top of the second hold-down arm 3, and the both sides of ellipsoid 5 contact with chute 6 by the second spring 9.In described chute 6, be provided with the first tooth portion 10, ellipsoid 5 surfaces are provided with the second tooth portion 11 matching with the first tooth portion 10.Between described two of linking together the first spring 8, by two connecting straps 12, interconnect, the first spring 8 is fixed on connecting strap 12, between two connecting straps 12, by S. A. 13, is connected.Described the first spring 8 two ends are provided with rubber coating 14, and rubber coating 14 is fixed on the first hold-down arm 2 or the second hold-down arm 3.The mode that in the present embodiment change prior art, cylinder and hold-down arm are fixedly hinged, is used ellipsoid to realize sliding block joint, can overcome the restriction of the length of cylinder to hold-down arm folding angle own.Along with angle strengthens, the distance between ellipsoid and chute is dwindled gradually, and the second spring carries out speed limit and buffering by elastic deformation to ellipsoid.Between ellipsoid and chute, by toothed region, match, can improve firm supporting degree.The first spring arranged in a crossed manner can be eliminated the vibration of folding initial segment and latter end.In described cross one another two the first springs 8, first spring 8 and the first hold-down arm 2 are perpendicular, another first spring 8 and the first hold-down arm 2 ramp interface, vertically disposed the first spring 8 is 2:1 with the ratio of the elasticity modulus of the first spring 8 being obliquely installed, and can realize the steady release of cushion effect.The middle part of rubber coating 14 is provided with reducing 15, the first spring 8 two ends and is slidably arranged in rubber coating 14.Can realize flexibly connecting of the first spring 8 and the first hold-down arm 2 and the second hold-down arm 3.
More than show and described groundwork of the present utility model and principal character and advantage of the present utility model.The technical personnel of the industry should be understood; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification sheets, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. a mechanical arm fold mechanism, comprise by hinged the first hold-down arm (2) of bearing (1) and the second hold-down arm (3), it is characterized in that: between described the first hold-down arm (2) and the second hold-down arm (3), be provided with and support cylinder (4), one end of supporting cylinder (4) is hinged on the first hold-down arm (2), the other end that supports cylinder (4) is connected with ellipsoid (5), on the second hold-down arm (3), be provided with chute (6), ellipsoid (5) is slidably arranged in chute (6), on the second hold-down arm (3), be provided with assistant cylinder (7), assistant cylinder (7) is flexibly connected with ellipsoid (5), supporting cylinder (4) and assistant cylinder (7) is connected in two focuses of ellipsoid (5), the both sides of the first hold-down arm (2) and the second hold-down arm (3) are respectively arranged with one group of first spring (8) arranged in a crossed manner, and the two ends of the first spring (8) are separately positioned on the first hold-down arm (2) and the second hold-down arm (3).
2. mechanical arm fold mechanism according to claim 1, it is characterized in that: described chute (6) is isosceles trapezoid, the width of isosceles trapezoid is diminished to articulated position gradually by the top of the second hold-down arm (3), and the both sides of ellipsoid (5) contact with chute (6) by the second spring (9).
3. mechanical arm fold mechanism according to claim 1, it is characterized in that: in described chute (6), be provided with the first tooth portion (10), ellipsoid (5) surface is provided with the second tooth portion (11) matching with the first tooth portion (10).
4. mechanical arm fold mechanism according to claim 1, it is characterized in that: described in by two connecting straps (12), interconnect between two the first springs (8) of linking together, it is upper that the first spring (8) is fixed on connecting strap (12), between two connecting straps (12), by S. A. (13), is connected.
5. mechanical arm fold mechanism according to claim 1, is characterized in that: described the first spring (8) two ends are provided with rubber coating (14), and rubber coating (14) is fixed on the first hold-down arm (2) or the second hold-down arm (3).
6. mechanical arm fold mechanism according to claim 1, it is characterized in that: in described cross one another two the first springs (8), first spring (8) is perpendicular with the first hold-down arm (2), another first spring (8) and the first hold-down arm (2) ramp interface, vertically disposed the first spring (8) is 5:2～5:4 with the ratio of the elasticity modulus of the first spring (8) being obliquely installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241609.3U CN203819612U (en) | 2014-05-12 | 2014-05-12 | Mechanical arm folding mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420241609.3U CN203819612U (en) | 2014-05-12 | 2014-05-12 | Mechanical arm folding mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203819612U true CN203819612U (en) | 2014-09-10 |
Family
ID=51475135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420241609.3U Expired - Fee Related CN203819612U (en) | 2014-05-12 | 2014-05-12 | Mechanical arm folding mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203819612U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802184A (en) * | 2015-04-10 | 2015-07-29 | 安徽大学 | Foldable mechanical arm |
| CN105083654A (en) * | 2014-05-12 | 2015-11-25 | 宁夏巨能机器人系统有限公司 | Manipulator folding mechanism |
| CN106275289A (en) * | 2016-08-26 | 2017-01-04 | 南通力威机械有限公司 | A kind of full circle swinging telescopic gangway ladder |
-
2014
- 2014-05-12 CN CN201420241609.3U patent/CN203819612U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105083654A (en) * | 2014-05-12 | 2015-11-25 | 宁夏巨能机器人系统有限公司 | Manipulator folding mechanism |
| CN105083654B (en) * | 2014-05-12 | 2017-02-01 | 宁夏巨能机器人系统有限公司 | Manipulator folding mechanism |
| CN104802184A (en) * | 2015-04-10 | 2015-07-29 | 安徽大学 | Foldable mechanical arm |
| CN106275289A (en) * | 2016-08-26 | 2017-01-04 | 南通力威机械有限公司 | A kind of full circle swinging telescopic gangway ladder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 750021 the Ningxia Hui Autonomous Region concentric Yinchuan City Development Zone, No. 296 South Street Patentee after: Ningxia giant robot Limited by Share Ltd Address before: 750021 the Ningxia Hui Autonomous Region concentric Yinchuan City Development Zone, No. 296 South Street Patentee before: Ningxia Juneng Robot System Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20170512 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |