CN213575132U - Light aluminum hinge for robot arm - Google Patents
Light aluminum hinge for robot arm Download PDFInfo
- Publication number
- CN213575132U CN213575132U CN202022292286.9U CN202022292286U CN213575132U CN 213575132 U CN213575132 U CN 213575132U CN 202022292286 U CN202022292286 U CN 202022292286U CN 213575132 U CN213575132 U CN 213575132U
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- China
- Prior art keywords
- hinge
- connecting lug
- mechanical arm
- shell
- shaft
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 19
- 230000003139 buffering effect Effects 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 25
- 210000004907 gland Anatomy 0.000 claims description 17
- 238000012856 packing Methods 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- GQWNECFJGBQMBO-UHFFFAOYSA-N Molindone hydrochloride Chemical compound Cl.O=C1C=2C(CC)=C(C)NC=2CCC1CN1CCOCC1 GQWNECFJGBQMBO-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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Abstract
The utility model provides a light aluminium hinge for robotic arm, including swivel mount, hinge shell, go up arm and lower arm, the swivel mount outer end is equipped with the hinge shell, the hinge shell divide into swivel casing and lower swivel casing, it is equipped with the fixed column to go up swivel casing top, be equipped with the arm in the fixed column, the swivel casing bottom is equipped with down the fixed column down, be equipped with down arm in the fixed column down, swivel mount central authorities are equipped with the axis of rotation. The utility model discloses the structure is comparatively simple compact, can furthest reduce the hinge and rotate the influence to the robotic arm operation, realizes damped purpose through mutually supporting of each connecting piece to effectively play the purpose of buffering, it is good to have the direction type, and stability is high, and effectual advantage can improve the performance of product, prolongs the live time of arm.
Description
Technical Field
The utility model relates to a robotic arm hinge design technical field, in particular to a light aluminum hinge for robotic arm.
Background
Mechanical arm receives control end control signal's influence in the daily use, treats to snatch article and carries out the operation, and at mechanical arm operation in-process, the hinge is had the operation from top to bottom, can swing around specific axis simultaneously, and current hinge exists the outward appearance relatively poor, occupation space is big, the hinge protrudes mechanical arm outside too much, occupation space is big, and easily receives the influence of external friction to cause the hinge to damage. The hinge used by the existing mechanical arm is poor in buffering guidance quality, low in stability and unreasonable in structure, the using effect of the hinge is affected, and the flexibility of the mechanical arm is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem of providing a light aluminum hinge for a robot arm, so as to overcome the problems of poor buffering guidance quality, low stability and unreasonable structure of the hinge in the prior art; the purpose of reducing the occupied space of the hinge, improving the buffering performance and sensitivity of the hinge and ensuring the use stability of the hinge is achieved, and the auxiliary effect of the mechanical hinge on the mechanical arm is enhanced.
The utility model provides a technical scheme that above-mentioned technical problem adopted is: a light aluminum hinge for a robot arm comprises a rotary shaft seat, a hinge shell, an upper mechanical arm and a lower mechanical arm, wherein the hinge shell is arranged at the outer end of the rotary shaft seat and is divided into an upper rotary shell and a lower rotary shell, an upper fixing column is arranged at the top end of the upper rotary shell, the upper mechanical arm is arranged in the upper fixing column, a lower fixing column is arranged at the bottom end of the lower rotary shell, the lower mechanical arm is arranged in the lower fixing column, and a rotating shaft is arranged in the center of the rotary shaft seat.
As an optimized scheme of the utility model, wherein: the center of the rotating shaft is provided with a hinge shaft, the joints of the rotating shaft and the inner wall of the rotating shaft seat are respectively provided with a fixed shaft, the center of the hinge shaft is provided with a first movable shaft, and the bottom end of the first movable shaft is provided with a second movable shaft.
As an optimized scheme of the utility model, wherein: the upper mechanical arm extends into the hinge shell, an upper connecting lug I and an upper connecting lug II are arranged at the bottom end of the upper mechanical arm, a first rotating hole is formed in the center of each of the upper connecting lug I and the upper connecting lug II, a first movable shaft is arranged in each rotating hole, an upper connecting lug sealing device I is arranged at the joint of the upper connecting lug I and the rotating shaft, an upper connecting lug anti-skidding rubber pad is arranged at the joint of the upper connecting lug sealing device I and the upper connecting lug I, an upper connecting lug sealing device II is arranged at the joint of the upper connecting lug II and the rotating shaft, and an upper connecting lug anti-skidding rubber pad is arranged at the joint of the upper connecting lug sealing device II and the upper connecting lug II.
As an optimized scheme of the utility model, wherein: the lower mechanical arm extends into the hinge shell, a lower connecting lug is arranged at the top end of the lower mechanical arm, a second rotating hole is formed in the lower connecting lug, a second movable shaft is arranged in the second rotating hole, a lower connecting lug sealing device is arranged on the inner side of the lower connecting lug, the lower connecting lug sealing device is not in contact with the bottom of the upper mechanical arm, anti-slip gaskets are arranged at the upper end and the lower end of the second movable shaft respectively, and the outer end of each anti-slip gasket is connected with the first movable shaft.
Furthermore, a first clamping groove is formed in the outer end face of the upper fixing column, two first assembly connecting columns are arranged in the first clamping groove, and the bottom ends of the first assembly connecting columns are fixedly connected with the upper rotating shell.
Further, a second clamping groove is formed in the outer end face of the lower fixing column, two second assembly connecting columns are arranged in the second clamping groove, and the top ends of the second assembly connecting columns are fixedly connected with the lower rotating shell.
Further, establish to external pressure lid in anti-skidding gasket outer end, external pressure lid inboard is equipped with gland inner circle one, gland inner circle inboard is equipped with the buffering packing ring, the buffering packing ring inboard is equipped with gland inner circle two, two inboard inscriptions pressure lid that are equipped with of gland inner circle, external pressure lid one end with the loose axle one is connected, inscriptions pressure lid one end with the loose axle two is connected.
Furthermore, the outer wall of the rotating hole of the upper connecting lug I is provided with a plurality of first clamping pieces, the top of the movable shaft is arranged into a first rotating sleeve, a first notch is formed in a position, corresponding to the first clamping piece, of the first rotating sleeve, the first clamping piece is matched with the first notch in specification, and the second upper connecting lug is consistent with the first upper connecting lug in fitting.
Compared with the prior art, the technical scheme of the utility model have following advantage:
1. the utility model provides a light aluminium hinge for robotic arm, its structure is comparatively simple compact, furthest reduces the hinge and rotates the influence to the robotic arm operation for robotic arm is more pleasing to the eye, and occupation space is little, realizes damped purpose through mutually supporting of each connecting piece, thereby can effectively play the purpose of buffering, and it is good to have the direction type, and stability is high, and effectual advantage can improve the performance of product, prolongs the live time of arm.
2. According to the technical scheme, two groups of rotating devices are arranged on a hinge rotating shaft, the hinge rotating shaft is matched to realize angle conversion between an upper mechanical arm and a lower mechanical arm under the action of external force, and the friction force and the firmness of connection between the mechanical arm and the rotating shaft can be increased by utilizing the interference fit between the rotating shaft and a mechanical arm connecting device; a sealing device is arranged at the joint of the mechanical arm and the rotating shaft, so that the stability of connection between the mechanical arm and the rotating shaft can be ensured; the anti-slip gasket is arranged between the first movable shaft and the second movable shaft, the gland buffering device is arranged in the anti-slip gasket, abrasion of the two groups of movable shafts can be reduced, collision friction of the two groups of connecting devices is avoided, and the two groups of mechanical arm connecting lugs are protected.
Drawings
Fig. 1 is a schematic structural view of a lightweight aluminum hinge for a robot arm according to the present invention;
fig. 2 is a schematic view of the internal connection of a lightweight aluminum hinge for a robot arm according to the present invention;
fig. 3 is a schematic view of a connection structure between a robot arm and a hinge of a lightweight aluminum hinge for a robot arm according to the present invention;
fig. 4 is a schematic view of the fitting structure of the connecting lug of the lightweight aluminum hinge for a robot arm according to the present invention;
fig. 5 is a schematic structural diagram of an anti-slip gasket for a lightweight aluminum hinge of a robot arm according to the present invention.
Wherein: the device comprises a rotating shaft seat 1, a hinge shell 2, an upper fixing column 3, an assembly connecting column I4, an upper mechanical arm 5, an upper connecting lug I51, an upper connecting lug II 52, a clamping piece I53, a rotating shaft 6, a hinge shaft 61, a fixed shaft 62, a movable shaft I63, a rotating sleeve I631, a notch I632, an upper connecting lug sealing device I64, a lower connecting lug sealing device 65, a movable shaft II 66, an upper connecting lug anti-skidding rubber pad 67, an upper connecting lug sealing device II 68, a lower fixing column 7, an assembly connecting column II 8, a lower mechanical arm 9, a lower connecting lug 91, an anti-skidding gasket 92, an external pressure cover 921, a gland inner ring I922, a buffer gasket 923, a gland inner ring II and an internal pressure cover 925.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1-5, the utility model provides a light aluminum hinge for robot arm, including the rotation axis seat 1, the hinge shell 2, the upper mechanical arm 5 and the lower mechanical arm 9, the outer end of the rotation axis seat 1 is provided with the hinge shell 2, the hinge shell 2 is divided into the upper rotation shell and the lower rotation shell, the top end of the upper rotation shell is provided with the upper fixing column 3, the upper mechanical arm 5 is arranged in the upper fixing column 3, the bottom end of the lower rotation shell is provided with the lower fixing column 7, the lower mechanical arm 9 is arranged in the lower fixing column 7, the center of the rotation axis seat 1 is provided with the rotation axis 6, the rotation axis 6 is wrapped by the rotation axis seat 1, the rotation axis 6 is used as the rotation structure of the hinge to support the rotation between the upper mechanical, under the action of the control end, the upper mechanical arm 5 and the lower mechanical arm 9 are enabled to present corresponding angles, and the supporting and angle adjusting effects of the hinge on the mechanical arms are achieved.
The edge of the upper fixed column 3 is embedded into the upper mechanical arm 5 to fix the connection between the upper mechanical arm 5 and the rotary shaft seat 1, and the purpose of damping can be realized through the mutual matching of the contact ends of the upper fixed column 3 and the upper mechanical arm 5, so that the influence of the buffering hinge effect on the upper mechanical arm 5 can be effectively played, and the edge of the lower fixed column 7 is embedded into the lower mechanical arm 9 to fix the connection between the lower mechanical arm 9 and the rotary shaft seat 1.
The center of the rotating shaft 6 is provided with a hinge shaft 61, the connecting parts of the rotating shaft 6 and the inner wall of the rotating shaft seat 1 are respectively provided with a fixed shaft 62, the center of the hinge shaft 61 is provided with a first movable shaft 63, the bottom end of the first movable shaft 63 is provided with a second movable shaft 66, the hinge shaft 61 is arranged in the center of the rotating shaft 6 and serves as a hinge rotating center, the fixed shaft 62 fixes the connection between the rotating shaft 6 and the rotating shaft seat 1, the centers of the first movable shaft 63 and the second movable shaft 66 are provided with connecting rods, namely, the first movable shaft 63 and the second movable shaft 66 move coaxially, and under the action of a control end, the first movable shaft 63.
Referring to fig. 2 and 3, the upper mechanical arm 5 extends into the hinge housing 2, the bottom end of the upper mechanical arm 5 is provided with a first upper engaging lug 51 and a second upper engaging lug 52, the centers of the first upper engaging lug 51 and the second upper engaging lug 52 are respectively provided with a first rotating hole, a first movable shaft 63 is arranged in the first rotating hole, a first upper engaging lug sealing device 64 is arranged at the joint of the first upper engaging lug 51 and the rotating shaft 6, a first upper engaging lug anti-slip rubber pad 67 is arranged at the joint of the first upper engaging lug sealing device 64 and the first upper engaging lug 51, a second upper engaging lug sealing device 68 is arranged at the joint of the second upper engaging lug 52 and the rotating shaft 6, a second upper engaging lug anti-slip rubber pad 67 is arranged at the joint of the second upper engaging lug sealing device 68 and the second upper engaging lug 52, the first upper engaging lug 51 and the second upper engaging lug 52 are respectively arranged on the first movable shaft 63, and the first movable shaft 63 rotates the upper mechanical arm 5 to, the connection part of the first movable shaft 63 and the first upper connecting lug 51 is sealed through the first upper connecting lug sealing device 64, the connection part of the first movable shaft 63 and the second upper connecting lug 52 is sealed through the second upper connecting lug sealing device 68, connection stability between the first movable shaft 63 and the second upper connecting lug can be guaranteed, and the first movable shaft 63 and the second movable shaft 63 are prevented from being connected insecure.
Referring to fig. 1, a first clamping groove is formed in the outer end face of the upper fixing column 3, two first assembly connecting columns 4 are arranged in the first clamping groove, the bottom ends of the first assembly connecting columns 4 are fixedly connected with the upper rotating shell, the upper fixing column 3 fixes the first assembly connecting columns 4 through the first clamping groove, and the upper fixing column 3 is strengthened in connection with the upper rotating shell through the first assembly connecting columns 4, so that the connection between the upper fixing column 3 and the upper rotating shell can be fixed.
The outer end face of the lower fixing column 7 is provided with a second clamping groove, two assembly connecting columns 8 are arranged in the second clamping groove, the top ends of the two assembly connecting columns 8 are fixedly connected with the lower rotary shell, the lower fixing column 7 fixes the two assembly connecting columns 8 through the second clamping groove, the lower fixing column 7 is connected with the lower rotary shell through the second assembly connecting columns 8 in a reinforcing mode, and therefore the lower fixing column 7 can be connected with the lower rotary shell in a fixing mode.
The outer end of the anti-skid gasket 92 is provided with an external pressure cover 921, the inner side of the external pressure cover 921 is provided with a first gland inner ring 922, the inner side of the first gland inner ring 922 is provided with a second gland inner ring 924, the inner side of the second gland inner ring 924 is provided with an internal pressure cover 925, one end of the external pressure cover 921 is connected with the first movable shaft 63, one end of the internal pressure cover 925 is connected with the second movable shaft 66, the external pressure cover 921 relieves the influence of the first movable shaft 63 on the anti-skid gasket 92, the pressure leads the first gland inner ring 922, the release pressure is relieved by using a buffer ball on the buffer gasket 923, the internal pressure cover 925 relieves the influence of the second movable shaft 66 on the anti-skid gasket 92, the pressure leads the second gland inner ring 924, the release pressure is relieved by using the buffer ball on the buffer gasket 923, therefore, the anti-skid gasket 92 can be used for reducing the abrasion, and protecting the connecting lugs of the two groups of mechanical arms.
Referring to fig. 4, the outer wall of the rotating hole of the first upper engaging lug 51 is provided with a plurality of first clamping pieces 53, the top of the first movable shaft 63 is provided with a first rotating sleeve 631, the positions, corresponding to the first clamping pieces 53, of the first rotating sleeve 631 are respectively provided with a first notch 632, the first clamping pieces 53 are matched with the first notches 632 in specification, the second upper engaging lugs 52 are consistent with the fittings of the first upper engaging lug 51, the first upper engaging lug 51 and the second upper engaging lug 52 are embedded into the first notches 632 through the first clamping pieces 53, so that the first upper engaging lug 51 is connected with the first rotating sleeve 631, the upper mechanical arm 5 is mounted on the first movable shaft 63, and mechanical transmission of the upper mechanical arm 5 on the first movable shaft 63 is achieved.
The outer wall of a rotating hole in the lower connecting lug 91 is provided with a plurality of second clamping pieces, the outer wall of the second movable shaft 66 is arranged into a second rotating sleeve, a second notch is arranged at the position, corresponding to the second clamping piece, of the second rotating sleeve, the second clamping piece is matched with the second notch in specification, the lower connecting lug 91 is embedded into the second notch through the second clamping piece, the lower connecting lug 91 is arranged on the second rotating sleeve, and the mechanical arm 9 can be controlled to rotate by a corresponding angle on the second rotating sleeve under the action of the control end.
The utility model provides a light aluminium hinge for robotic arm installs the hinge in the robotic arm junction, utilizes control line control hinge shell 2 to rotate corresponding angle, realizes that the hinge drives arm 5 and the angle transform between the arm 9 down, drives the arm and realizes its corresponding function. This hinge structure is comparatively simple compact, can furthest reduce the hinge and rotate the influence to the robotic arm operation for robotic arm is more pleasing to the eye, and occupation space is little, realizes damped purpose through mutually supporting of each connecting piece, thereby can effectively play the purpose of buffering, and it is good to have the guidance quality, and stability is high, effectual advantage can improve the performance of product, prolongs the live time of arm.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. A light aluminum hinge for a robot arm comprises a rotary shaft seat (1), a hinge shell (2), an upper mechanical arm (5) and a lower mechanical arm (9), and is characterized in that the hinge shell (2) is arranged at the outer end of the rotary shaft seat (1), the hinge shell (2) is divided into an upper rotary shell and a lower rotary shell, an upper fixing column (3) is arranged at the top end of the upper rotary shell, the upper mechanical arm (5) is arranged in the upper fixing column (3), a lower fixing column (7) is arranged at the bottom end of the lower rotary shell, the lower mechanical arm (9) is arranged in the lower fixing column (7), and a rotating shaft (6) is arranged in the center of the rotary shaft seat (1);
the center of the rotating shaft (6) is provided with a hinge shaft (61), the connecting parts of the rotating shaft (6) and the inner wall of the rotating shaft seat (1) are respectively provided with a fixed shaft (62), the center of the hinge shaft (61) is provided with a first movable shaft (63), and the bottom end of the first movable shaft (63) is provided with a second movable shaft (66);
wherein the upper mechanical arm (5) extends into the hinge shell (2), the bottom end of the upper mechanical arm (5) is provided with a first upper connecting lug (51) and a second upper connecting lug (52), the centers of the first upper connecting lug (51) and the second upper connecting lug (52) are respectively provided with a first rotating hole, a movable shaft I (63) is arranged in the rotating hole I, an upper connecting lug sealing device I (64) is arranged at the joint of the upper connecting lug I (51) and the rotating shaft (6), an upper connecting lug antiskid rubber pad (67) is arranged at the joint of the upper connecting lug sealing device I (64) and the upper connecting lug I (51), a second upper connecting lug sealing device (68) is arranged at the joint of the second upper connecting lug (52) and the rotating shaft (6), an upper connecting lug anti-skid rubber pad (67) is arranged at the joint of the upper connecting lug sealing device II (68) and the upper connecting lug II (52);
the lower mechanical arm (9) extends into the hinge shell (2), a lower connecting lug (91) is arranged at the top end of the lower mechanical arm (9), a second rotating hole is formed in the lower connecting lug (91), a second movable shaft (66) is arranged in the second rotating hole, a lower connecting lug sealing device (65) is arranged on the inner side of the lower connecting lug (91), the lower connecting lug sealing device (65) is not in contact with the bottom of the upper mechanical arm (5), anti-skid gaskets (92) are respectively arranged at the upper end and the lower end of the second movable shaft (66), and the outer end of each anti-skid gasket (92) is connected with the first movable shaft (63).
2. The lightweight aluminum hinge for the robot arm as claimed in claim 1, wherein the outer end face of the upper fixing column (3) is provided with a first clamping groove, two first assembly connecting columns (4) are arranged in the first clamping groove, and the bottom ends of the first assembly connecting columns (4) are fixedly connected with the upper rotating shell.
3. The lightweight aluminum hinge for the robot arm as claimed in claim 1, wherein the outer end face of the lower fixing column (7) is provided with a second clamping groove, two second assembly connecting columns (8) are arranged in the second clamping groove, and the top ends of the second assembly connecting columns (8) are fixedly connected with the lower rotating shell.
4. The light aluminum hinge for robot arm of claim 1, characterized in that, anti-skidding gasket (92) outer end is established to external pressure lid (921), external pressure lid (921) inboard is equipped with gland inner circle one (922), gland inner circle one (922) inboard is equipped with buffering packing ring (923), buffering packing ring (923) inboard is equipped with gland inner circle two (924), gland inner circle two (924) inboard is equipped with inscription pressure lid (925), external pressure lid (921) one end with loose axle one (63) is connected, inscription pressure lid (925) one end with loose axle two (66) are connected.
5. The lightweight aluminum hinge for the robot arm as claimed in claim 1, wherein the outer wall of the rotating hole of the first upper engaging lug (51) is provided with a plurality of first clamping pieces (53), the top of the first movable shaft (63) is provided with a first rotating sleeve (631), the first rotating sleeve (631) is provided with a first notch (632) corresponding to the first clamping pieces (53), the first clamping pieces (53) are adapted to the specification of the first notch (632), and the second upper engaging lug (52) is identical to the fitting of the first upper engaging lug (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022292286.9U CN213575132U (en) | 2020-10-15 | 2020-10-15 | Light aluminum hinge for robot arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022292286.9U CN213575132U (en) | 2020-10-15 | 2020-10-15 | Light aluminum hinge for robot arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213575132U true CN213575132U (en) | 2021-06-29 |
Family
ID=76524168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022292286.9U Expired - Fee Related CN213575132U (en) | 2020-10-15 | 2020-10-15 | Light aluminum hinge for robot arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213575132U (en) |
-
2020
- 2020-10-15 CN CN202022292286.9U patent/CN213575132U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210629 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |