CN216665326U - Multipurpose adjustable articulated arm - Google Patents
Multipurpose adjustable articulated arm Download PDFInfo
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- CN216665326U CN216665326U CN202122391880.8U CN202122391880U CN216665326U CN 216665326 U CN216665326 U CN 216665326U CN 202122391880 U CN202122391880 U CN 202122391880U CN 216665326 U CN216665326 U CN 216665326U
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Abstract
The utility model relates to a multipurpose adjustable articulated arm, which comprises an articulated arm main body, a plurality of bearings and fixing bolts, wherein the articulated arm main body comprises a supporting arm, a first connecting arm, a hinged support, a second connecting arm and a third connecting arm, one end of the supporting arm is sequentially connected with the first connecting arm and the hinged support, the other end of the supporting arm is sequentially connected with the second connecting arm and the third connecting arm, a third through hole is formed in the third connecting arm, a first through hole matched with the bearing is formed in the supporting arm, a first threaded hole is formed in the inner side wall of the first through hole, a second threaded hole is correspondingly formed in the outer side wall of each bearing, the outer diameters of the bearings are the same, the inner diameters of the bearings are different, and one bearing is coaxially arranged in the first through hole through the fixing bolt, the first threaded hole and the second threaded hole. Compared with the prior art, the utility model has the advantages of high efficiency, low cost, wide application range and the like.
Description
Technical Field
The utility model relates to an articulated arm, in particular to a multipurpose adjustable articulated arm and a processing method.
Background
In the production process of various vehicles such as airplanes and vehicles, the cabin door is required to be ensured to be opened and closed naturally and smoothly in a rotating mode, therefore, various hinge structures are arranged between the cabin door and a vehicle main body, each hinge structure comprises a plurality of hinge parts of different types, the hinge parts are matched with each other, the hinge function is achieved jointly, when a certain hinge part in the hinge structure needs to be replaced in the maintenance process of the hinge structure, the hinge part is a nonstandard part, the completely same replacement part is difficult to find, the maintenance work is difficult, even the replacement part needs to be customized again, the maintenance efficiency is reduced, and the maintenance cost is improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a detachable hinged arm which has high efficiency, low cost and wide application range.
The purpose of the utility model can be realized by the following technical scheme:
the utility model provides an adjustable articulated arm of multipurpose, includes articulated arm main part and a plurality of bearing and fixing bolt, the articulated arm main part include support arm, first linking arm, hinged-support, second linking arm and third linking arm, support arm one end connect gradually first linking arm and hinged-support, the other end connects gradually second linking arm and third linking arm, the third linking arm on be equipped with the third through-hole, the support arm on be equipped with the first through-hole that matches with the bearing, first through-hole inside wall be equipped with first screw hole, the bearing lateral wall correspondence be equipped with the second screw hole, the external diameter of a plurality of bearing the same, the internal diameter diverse, one of them bearing passes through fixing bolt, first screw hole and the coaxial setting of second screw hole in first through-hole.
Further, the first connecting arm and the hinged support are in central symmetry with the second connecting arm and the third connecting arm about the main axis of the first through hole.
Furthermore, a first groove is formed in the first connecting arm.
Furthermore, a second transition arm is arranged between the first connecting arm and the hinged support, and a second groove is formed in the second transition arm.
Further, the thickness of the second transition arm along the axial direction of the first through hole is gradually increased along the direction far away from the first connecting arm;
the thickness of the first connecting arm along the axial direction of the first through hole is gradually increased along the direction far away from the second transition arm.
Furthermore, a third groove is formed in the second connecting arm.
Furthermore, a first transition arm is arranged between the second connecting arm and the third connecting arm, and a fourth groove is formed in the first transition arm.
Further, the thickness of the first transition arm along the axial direction of the first through hole is gradually increased along the direction far away from the second connecting arm;
the thickness of the second connecting arm along the axial direction of the first through hole is gradually increased along the direction far away from the first transition arm.
Further, the number of the first threaded holes is multiple.
Further, a plurality of first screw holes are symmetrically arranged on two opposite sides of the inner side wall of the first through hole.
Compared with the prior art, the utility model has the following beneficial effects:
(1) the articulated arm comprises an articulated arm main body and a plurality of bearings and fixing bolts, wherein the articulated arm main body comprises a support arm, a first connecting arm, a hinged support, a second connecting arm and a third connecting arm, one end of the support arm is sequentially connected with the first connecting arm and the hinged support, the other end of the support arm is sequentially connected with the second connecting arm and the third connecting arm, the third connecting arm is provided with a third through hole, the support arm is provided with a first through hole matched with the bearing, the inner side wall of the first through hole is provided with a first threaded hole, the outer side wall of the bearing is correspondingly provided with a second threaded hole, the outer diameters of the plurality of bearings are the same, the inner diameters of the bearings are different, one of the bearings is coaxially arranged in the first through hole through the fixing bolts, the first threaded hole and the second threaded hole, and the multipurpose adjustable articulated arm can be matched and connected with articulated parts such as a base, a rotating shaft or the articulated arm through the third through the first through hole and the hinged support, the bearings with different inner diameters can be selected to adapt to the hinged parts with different sizes, the application range is wide, when the hinged part hinged with the third through hole needs to be replaced, the replaced hinged part with the same type but different sizes can be replaced, and then the bearing matched with the replaced hinged part is selected, so that the maintenance efficiency is improved and reduced, and the maintenance cost is reduced;
(2) according to the utility model, the first connecting arm is provided with the first groove, the second transition arm is provided with the second groove, the second connecting arm is provided with the third groove, and the first transition arm is provided with the fourth groove, so that the weight of the articulated arm is reduced and the cost is reduced while the structural strength is ensured;
(3) the thickness of the second transition arm along the axial direction of the first through hole is gradually increased along the direction far away from the first connecting arm, the thickness of the first connecting arm along the axial direction of the first through hole is gradually increased along the direction far away from the second transition arm, the thickness of the first transition arm along the axial direction of the first through hole is gradually increased along the direction far away from the second connecting arm, the thickness of the second connecting arm along the axial direction of the first through hole is gradually increased along the direction far away from the first transition arm, and the shearing resistance is strong;
(4) the number of the first threaded holes is multiple, and the first threaded holes are symmetrically arranged on two opposite sides of the inner side wall of the first through hole, so that the position of a bearing is ensured to be fixed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic perspective view of the main body of the articulated arm;
FIG. 3 is a front view of the bearing;
the reference numbers in the figures illustrate:
1. the hinge arm comprises a hinge arm body, 2. a bearing, 3. a fixing bolt, 11. a supporting arm, 12. a first connecting arm, 13. a hinge support, 14. a second connecting arm, 15. a third connecting arm, 16. a first transition arm, 17. a second transition arm, 21. a second threaded hole, 111. a first through hole, 112. a first threaded hole, 121. a first groove, 131. a second groove, 132. a second through hole, 141. a third groove, 151. a fourth groove, 152. a third through hole.
Detailed Description
The utility model is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
A multipurpose adjustable articulated arm comprises an articulated arm main body 1, a plurality of bearings 2 and fixing bolts 3, wherein the articulated arm main body 1 comprises a support arm 11, a first connecting arm 12, an articulated support 13, a second connecting arm 14 and a third connecting arm 15, one end of the support arm 11 is sequentially connected with the first connecting arm 12 and the articulated support 13, the other end of the support arm is sequentially connected with the second connecting arm 14 and the third connecting arm 15, a third through hole 152 is formed in the third connecting arm 15, a first through hole 111 matched with the bearings 2 is formed in the support arm 11, a first threaded hole 112 is formed in the inner side wall of the first through hole 111, a second threaded hole 21 is correspondingly formed in the outer side wall of each bearing 2, the outer diameters of the bearings 2 are the same, the inner diameters are different, and one bearing 2 is coaxially arranged in the first through hole 111 through the fixing bolt 3, the first threaded hole 112 and the second threaded hole 21;
the multipurpose adjustable hinged arm can be matched and connected with hinged parts such as a base, a rotating shaft or a hinged arm through the third through hole 152, the first through hole 111 and the hinged support 13, bearings 2 with different inner diameters can be selected to adapt to hinged parts with different sizes, the application range is wide, when the hinged parts hinged with the third through hole 152 need to be replaced, the same type of replaceable hinged parts with different sizes can be replaced, and then the bearings 2 matched with the replaceable hinged parts are selected, so that the maintenance efficiency is improved, and the maintenance cost is reduced.
The first connecting arm 12 and the hinge support 13 are symmetrical with the second connecting arm 14 and the third connecting arm 15 about the major axis of the first through hole 111.
The first groove 121 is formed in the first connecting arm 12, and the third groove 141 is formed in the second connecting arm 14, so that the weight of the articulated arm is reduced while the structural strength is ensured.
A second transition arm 17 is arranged between the first connecting arm 12 and the hinged support 13, and a second groove 131 is formed in the second transition arm 17, so that the weight of the hinged arm is reduced while the structural strength is ensured.
Be equipped with first transition arm 16 between second linking arm 14 and the third linking arm 15, be equipped with fourth recess 151 on the first transition arm 16, when guaranteeing structural strength, lighten the articulated arm weight.
The thickness of second transition arm 17 along the axial of first through-hole 111, along keeping away from first connecting arm 12 gradually increases, first connecting arm 12 along the axial thickness of first through-hole 111, along keeping away from the direction of second transition arm 17 gradually increases, first transition arm 16 along the axial thickness of first through-hole 111, along keeping away from second connecting arm 14 gradually increases, second connecting arm 14 along the axial thickness of first through-hole 111, along keeping away from the direction of first transition arm 16 gradually increases, the ability of shearing is strong.
The quantity of first screw hole 112 is a plurality of, and a plurality of first screw hole 112 symmetry set up in the relative both sides of first through-hole 111 inside wall, guarantee bearing 2 rigidity.
The method for manufacturing the multipurpose adjustable articulated arm comprises the following steps:
establishing a three-dimensional model of the articulated arm;
designing tool position track data according to the tool parameters and the three-dimensional model of the articulated arm;
and carrying out simulation processing according to the tool position track data, and optimizing the tool position track data.
The cutter parameters comprise diameter, lower radius, cutting edge length, chamfer angle, RC, processing parameters and part information, the processing parameters comprise cutting depth, feeding and rotating speed, and the part information comprises blank size.
Note that the bottom surface of the first groove 121 is a surface a, the side surface of the second connecting arm 14, which is parallel to the axial direction of the first through hole 111, is a surface B, the first through hole 111 is a hole, the third through hole 152 is a hole B, and the second through hole 132 on the hinged support 13 is a hole c, where the optimized rear tool path data obtained in this embodiment is as follows:
clamping the surface A: an aluminum sheet is used for clamping and fixing a blank containing block with the length of 172mm, the width of 91mm and the height of 33m, and the depth of a center drill of three holes is firstly counted
Deep, first drilling a-hole drill
Through hole of (2), second drill b hole drill
Through-hole of (2), finally drilling a c-hole drill
Deep; then, a side positioning hole is machined, and a center drill is used
Deep two
The through-hole of (a); then changing a tool, milling a deep groove on the surface A, designing a tool path track of the milling groove wall, milling the bottom wall of the groove, downwards milling the groove wall by 14.5mm from the surface of the blank, and finally processing the inner fillet of the groove
Fixing the a hole by using a positioning pressing sheet
Positioning side positioning hole weightClamping, machining the diameters of holes c and b
The diameter of the arc slope at the left side of the hole A is
The right arc slope has a diameter of
The circle centers of the front slope and the rear slope are different; then milling the blank allowance;
milling the surface B;
turnover clamping B surface a hole
Positioning the side positioning hole, drilling the depth of the C hole center on the B surface
Deep, then processing the B surface
C holes of (2); then changing the tool, processing the deep groove on the B surface, designing the tool path of the milling groove wall, and finally processing the fillet of the groove
Changing the disc cutter, milling the notch at the side edge of the part, wherein the notch is 11.7mm high, 25.4mm long and has an inner fillet
Milling a side notch; the slope machining beside the hole a, the hole B and the hole c of the surface B is consistent with that in the step 1;
step three, milling a plane;
rough milling the blank, and leaving 1mm of finish machining allowance on all surfaces. Finely milling a plane, and keeping the allowance of the product as 0;
step four, fine machining;
finish-milling both sides of A, B
And
milling out the excess allowance on the planes of the two sides of A, B and milling out the internal fillet
Milling A, B two-sided deep groove, down 14.5mm from the blank surface, and finally processing the inner fillet of the groove
The height of the milled side notch is 11.7mm, the length is 25.4mm, and the internal fillet is
This embodiment has proposed an adjustable articulated arm of multipurpose, accessible third through-hole 152, first through-hole 111 and hinged-support 13 and articulated parts accordant connection such as base, pivot or articulated arm, can select the bearing 2 of different internal diameters to adapt to the articulated part of different sizes, application scope is wide, when the articulated part articulated with third through-hole 152 needs to be changed, but the different replacement articulated part of size of removable same type, the bearing 2 of reselecting and the articulated part matching of replacement, improve and reduce maintenance efficiency, maintenance cost has been reduced.
The foregoing detailed description of the preferred embodiments of the utility model has been presented. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the above teachings. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides an adjustable articulated arm of multipurpose, its characterized in that includes articulated arm main part (1) and a plurality of bearing (2) and fixing bolt (3), articulated arm main part (1) including support arm (11), first linking arm (12), hinged-support (13), second linking arm (14) and third linking arm (15), support arm (11) one end connect gradually first linking arm (12) and hinged-support (13), the other end connect gradually second linking arm (14) and third linking arm (15), third linking arm (15) on be equipped with third through-hole (152), support arm (11) on be equipped with first through-hole (111) with bearing (2) matching, first through-hole (111) be equipped with first screw hole (112), bearing (2) lateral wall correspond and be equipped with second screw hole (21), the outer diameters of the bearings (2) are the same, the inner diameters of the bearings are different, and one bearing (2) is coaxially arranged in the first through hole (111) through the fixing bolt (3), the first threaded hole (112) and the second threaded hole (21).
2. The multipurpose adjustable articulated arm according to claim 1, wherein the first connecting arm (12) and the articulated support (13) are symmetrical with the second connecting arm (14) and the third connecting arm (15) about the center of the main axis of the first through hole (111).
3. The multipurpose adjustable articulated arm of claim 1, wherein the first connecting arm (12) is provided with a first groove (121).
4. A multipurpose adjustable articulated arm according to claim 1, wherein a second transition arm (17) is provided between the first connecting arm (12) and the hinge support (13), and wherein the second transition arm (17) is provided with a second groove (131).
5. The multipurpose adjustable articulated arm according to claim 4, wherein the thickness of the second transition arm (17) in the axial direction of the first through hole (111) is gradually increased in a direction away from the first connecting arm (12);
the thickness of the first connecting arm (12) along the axial direction of the first through hole (111) is gradually increased along the direction far away from the second transition arm (17).
6. The multipurpose adjustable articulated arm of claim 1, wherein the second link arm (14) is provided with a third groove (141).
7. A multipurpose adjustable articulated arm according to claim 1, wherein a first transition arm (16) is arranged between the second connecting arm (14) and the third connecting arm (15), and a fourth groove (151) is arranged on the first transition arm (16).
8. The multipurpose adjustable articulated arm according to claim 7, wherein the thickness of the first transition arm (16) in the axial direction of the first through hole (111) gradually increases in a direction away from the second connecting arm (14);
the thickness of the second connecting arm (14) along the axial direction of the first through hole (111) is gradually increased along the direction away from the first transition arm (16).
9. The multipurpose adjustable articulated arm of claim 1, wherein the number of the first threaded holes (112) is plural.
10. The multipurpose adjustable articulated arm of claim 9, wherein the first threaded holes (112) are symmetrically disposed at opposite sides of an inner sidewall of the first through hole (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122391880.8U CN216665326U (en) | 2021-09-30 | 2021-09-30 | Multipurpose adjustable articulated arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122391880.8U CN216665326U (en) | 2021-09-30 | 2021-09-30 | Multipurpose adjustable articulated arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216665326U true CN216665326U (en) | 2022-06-03 |
Family
ID=81764676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122391880.8U Active CN216665326U (en) | 2021-09-30 | 2021-09-30 | Multipurpose adjustable articulated arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216665326U (en) |
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2021
- 2021-09-30 CN CN202122391880.8U patent/CN216665326U/en active Active
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