CN210910082U - Positive and negative thread quick connecting mechanism for robot joint - Google Patents
Positive and negative thread quick connecting mechanism for robot joint Download PDFInfo
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- CN210910082U CN210910082U CN201921482702.2U CN201921482702U CN210910082U CN 210910082 U CN210910082 U CN 210910082U CN 201921482702 U CN201921482702 U CN 201921482702U CN 210910082 U CN210910082 U CN 210910082U
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Abstract
The utility model relates to a positive and negative screw thread quick connect mechanism for robot joint, including first flange, second flange, be equipped with the positive screw thread on being equipped with an end tooth and the outer wall on the first flange, be equipped with on the second flange with an end tooth matched with No. two end teeth and the outer wall on the negative screw thread, be equipped with the positive and negative screw nut of being connected with the cooperation of positive screw thread, negative screw thread correspondence between first flange and the second flange. The utility model adopts the mode of end tooth matching and thread fastening, thus greatly improving the installation efficiency of the robot joint; the end teeth are adopted to transmit torque, so that the strength is high, and the end teeth can be applied to occasions with large torsional force; the outer wall of the positive and negative thread nut is provided with a threaded hole which is matched with the handle, so that the joint is very easy to disassemble; the opening structure is arranged, and the thread connection strength can be higher by matching with the fastening screw; in addition, the corresponding matching position of the first connecting flange and the second connecting flange is provided with a positioning mark which can prevent installation dislocation.
Description
Technical Field
The utility model relates to a robot joint connects technical field, specifically is a positive and negative screw thread quick connect mechanism for robot joint.
Background
For a modular joint of a robot, the joint is generally applied to a cooperative robot, and a connecting mechanism of the joint mainly comprises an axial screw connection and a radial screw connection. The axial connection usually adopts an outer hexagon screw due to limited installation space and adopts an open spanner for fastening, so that the joint is very difficult to disassemble and assemble, and the installation consistency and reliability are poor; the radial screw connection is convenient to mount, but torque is directly transmitted by the shearing force of the connecting screw, so that large torque cannot be transmitted, and the radial screw connection is generally applied to occasions with small torque.
Disclosure of Invention
The defect to current articular coupling mechanism of modularization, the utility model provides a positive and negative screw thread quick coupling mechanism for robot joint, when aim at improves modularization joint dismouting efficiency, also can bear higher moment of torsion and moment of flexure.
The utility model discloses the technical problem that will solve adopts following technical scheme to realize:
a positive and negative thread quick connecting mechanism for a robot joint comprises a first connecting flange and a second connecting flange, wherein a first end tooth is arranged on the first connecting flange, positive threads are arranged on the outer wall of the first connecting flange, a second end tooth matched with the first end tooth is arranged on the second connecting flange, and negative threads are arranged on the outer wall of the second connecting flange;
and a positive and negative threaded nut which is correspondingly matched and connected with the positive thread and the negative thread is arranged between the first connecting flange and the second connecting flange, and a fastening screw and a handle are arranged on the positive and negative threaded nut.
Furthermore, a first positioning mark and a second positioning mark for circumferential positioning during installation are correspondingly arranged on the first connecting flange and the second connecting flange.
Furthermore, the positive and negative threaded nuts are provided with openings, and the phase positions of the openings are provided with force unloading grooves.
Furthermore, a countersunk hole and a first threaded hole for mounting a fastening screw are respectively formed in two ends of the opening.
Further, be equipped with No. two screw holes that are used for installing the handle on positive and negative thread nut's the lateral wall the beneficial effects of the utility model are that:
compared with the prior art, the utility model adopts the modes of end tooth matching and thread fastening, thus greatly improving the installation efficiency of the robot joint; the end teeth are adopted to transmit torque, so that the strength is high, and the end teeth can be applied to occasions with large torsional force; the outer wall of the positive and negative thread nut is provided with a threaded hole which is matched with the handle, so that the joint is very easy to disassemble; the opening structure is arranged, and the thread connection strength can be higher by matching with the fastening screw; in addition, the corresponding matching position of the first connecting flange and the second connecting flange is provided with a positioning mark which can prevent installation dislocation.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
fig. 3 is a schematic perspective view of a first connecting flange according to the present invention;
fig. 4 is a schematic perspective view of a second connecting flange according to the present invention;
fig. 5 is a schematic view of the three-dimensional structure of the middle positive and negative threaded nut of the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and effects of the present invention easy to understand, the present invention will be further explained with reference to the accompanying drawings and embodiments.
As shown in fig. 1 and 2, a quick connecting mechanism with positive and negative threads for a robot joint comprises a first connecting flange 1, a second connecting flange 2, a nut 3 with positive and negative threads between the first connecting flange 1 and the second connecting flange 2, a fastening screw 4 arranged on the nut 3 with positive and negative threads, and two handles 5; the first connecting flange 1 is characterized by a joint shell part, and the second connecting flange 2 is characterized by a joint output flange.
As shown in fig. 3, the first connecting flange 1 is provided with a first end tooth 11 on an end surface thereof, a first positive thread 12 on an outer wall thereof, and a first positioning mark 13 on a circumferential surface thereof.
As shown in fig. 4, a second end tooth 21 matched with the first end tooth 11 is arranged on the end surface of the second connecting flange 2, a first reverse thread 22 is arranged on the outer wall of the second connecting flange, and a second positioning mark 23 corresponding to the first positioning mark 13 up and down is arranged on the circumferential surface of the second connecting flange; the first positioning mark 13 and the second positioning mark 23 are used for preventing the first connecting flange 1 and the second connecting flange 2 from being positioned in the circumferential direction in error during assembly.
As shown in fig. 5, the upper and lower sides of the inner circular surface of the positive and negative threaded nut 3 are respectively and correspondingly provided with a second inverse thread 31 and a second positive thread 32 which are correspondingly matched with the first positive thread 12 and the first inverse thread 22, an opening 33 is provided at any position on the positive and negative threaded nut 3, a countersunk hole 35 and a first threaded hole 36 for installing the fastening screw 4 are respectively processed at two sides of the opening 33, and a force unloading groove 34 is provided at the opposite position of the opening 33; two second threaded holes 37 for installing the handle 5 are uniformly distributed on the outer wall of the positive and negative threaded nut 3 along the circumferential direction.
As shown in figures 1 and 2, when assembling, firstly two handles 5 are arranged in two second threaded holes 37 of a front and back threaded nut 3, then a first end tooth 11 of a first connecting flange 1 and a second end tooth 21 of a second connecting flange 2 are oppositely arranged, a first positioning mark 13 and a second positioning mark 23 are aligned up and down, the front and back threaded nut 3 is put in the middle, the first connecting flange 1 and the second connecting flange 2 are respectively and lightly pressed with the front and back threaded nut 3, the front and back threaded nut 3 is slowly rotated by the handles 5, so that the first connecting flange 1 and the second connecting flange 2 move towards each other and press the first end tooth 11 and the second end tooth 21, then a fastening screw 4 is put in a countersunk hole 35 of the front and back threaded nut 3 and screwed into the first threaded hole 36, and the screw is screwed down according to the rated torque, the positive and negative threaded nuts 3 are locked, the threaded connection is reliable, and finally the two handles 5 are screwed down to finish the installation.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and what is described in the specification are the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are intended to fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a positive and negative screw thread quick connect mechanism for robot joint which characterized in that: the connecting structure comprises a first connecting flange (1) and a second connecting flange (2), wherein a first end tooth (11) is arranged on the first connecting flange (1), a first positive thread (12) is arranged on the outer wall of the first connecting flange, a second end tooth (21) matched with the first end tooth (11) is arranged on the second connecting flange (2), and a first negative thread (22) is arranged on the outer wall of the second connecting flange;
be equipped with between first flange (1) and the second flange (2) with first positive screw thread (12), first negative thread (22) correspond positive and negative screw nut (3) that the cooperation is connected, be equipped with fastening screw (4) and handle (5) on positive and negative screw nut (3).
2. The positive and negative thread quick connect mechanism for a robot joint of claim 1, wherein: the first connecting flange (1) and the second connecting flange (2) are correspondingly provided with a first positioning mark (13) and a second positioning mark (23) which are used for circumferential positioning during installation.
3. The positive and negative thread quick connect mechanism for a robot joint of claim 1, wherein: be equipped with opening (33) on positive and negative screw nut (3), the relative position department of opening (33) is equipped with unloads power groove (34).
4. The positive and negative thread quick connect mechanism for a robot joint of claim 3, wherein: the two ends of the opening (33) are respectively provided with a countersunk hole (35) and a first threaded hole (36) for mounting the fastening screw (4).
5. The positive and negative thread quick connect mechanism for a robot joint of claim 3, wherein: and a second threaded hole (37) for mounting the handle (5) is formed in the outer side wall of the positive and negative threaded nut (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921482702.2U CN210910082U (en) | 2019-09-07 | 2019-09-07 | Positive and negative thread quick connecting mechanism for robot joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921482702.2U CN210910082U (en) | 2019-09-07 | 2019-09-07 | Positive and negative thread quick connecting mechanism for robot joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210910082U true CN210910082U (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921482702.2U Active CN210910082U (en) | 2019-09-07 | 2019-09-07 | Positive and negative thread quick connecting mechanism for robot joint |
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| CN (1) | CN210910082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561487A (en) * | 2019-09-07 | 2019-12-13 | 埃夫特智能装备股份有限公司 | Positive and negative thread quick connecting mechanism for robot joint |
-
2019
- 2019-09-07 CN CN201921482702.2U patent/CN210910082U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110561487A (en) * | 2019-09-07 | 2019-12-13 | 埃夫特智能装备股份有限公司 | Positive and negative thread quick connecting mechanism for robot joint |
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