CN215720312U - Coupling and transfer chain - Google Patents
Coupling and transfer chain Download PDFInfo
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- CN215720312U CN215720312U CN202121648651.3U CN202121648651U CN215720312U CN 215720312 U CN215720312 U CN 215720312U CN 202121648651 U CN202121648651 U CN 202121648651U CN 215720312 U CN215720312 U CN 215720312U
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- 230000008878 coupling Effects 0.000 title claims abstract description 139
- 238000010168 coupling process Methods 0.000 title claims abstract description 139
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 139
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000013016 damping Methods 0.000 claims description 21
- 238000004891 communication Methods 0.000 claims description 3
- 230000002441 reversible effect Effects 0.000 abstract description 7
- 230000005856 abnormality Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model discloses a coupling and a conveying line, comprising: the driving side coupling part is provided with a first end surface which is perpendicular to the axial direction, and a first boss deviating from the axis of the driving side coupling part is formed by the partial extension of the first end surface; the driven side coupling part is provided with a second end surface which is perpendicular to the axial direction, and a second boss deviating from the axis of the driven side coupling part is formed by the partial extension of the second end surface; the axis of the driving side coupling part is superposed with the axis of the driven side coupling part, the first end face and the second end face are arranged oppositely, and when the driving side coupling part rotates along the first direction, the first boss and the second boss are in meshing transmission; when the driving side coupling part rotates along the second direction, the first boss and the second boss are disengaged, and a play space is reserved between the first boss and the second boss along the second direction. The coupler can filter local reverse rotation generated during braking of the driving side, and can avoid pulse deviation generated during shifting.
Description
Technical Field
The utility model is used in the field of couplings, and particularly relates to a coupling and a conveying line.
Background
In the current industry, in a synchronous operation scheme that a robot takes encoder pulses as a basis for detecting the displacement of a conveying line, a driving shaft and an encoder are connected through a coupler. When the conveying line is suddenly braked in positive rotation (the conveying line stops moving), the conveying line can generate slight positive rotation and reverse rotation phenomena (play) after braking due to the influence of load inertia, and when an encoder follows the reverse rotation, pulse signals can be output in multiple ways, and at the moment, the position of the conveying line detected by the robot according to the pulse signals is closer to the front than the actual position of the conveying line, namely, the detected position is out of synchronization with the actual position. After multiple times of braking, the position deviation superposition becomes large, and the detection precision is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve at least one of the technical problems in the prior art and provides a coupling and a conveying line.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
in a first aspect, a coupling, comprising:
the driving side coupling component is provided with a first end surface perpendicular to the axial direction, and a first boss deviating from the axis of the driving side coupling component is formed by the partial extension of the first end surface;
the driven side coupling part is provided with a second end face perpendicular to the axial direction, and a second boss deviating from the axis of the driven side coupling part is formed by the local extension of the second end face;
the axis of the driving side coupling part is superposed with the axis of the driven side coupling part, the first end face and the second end face are arranged oppositely, and when the driving side coupling part rotates along a first direction, the first boss and the second boss are in meshing transmission; when the driving side coupling part rotates along the second direction, the first boss and the second boss are disengaged, and a play space is reserved between the first boss and the second boss along the second direction.
With reference to the first aspect, in certain implementations of the first aspect, the first end face is provided with one of the first bosses, and the second end face is provided with one of the second bosses.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the driving-side coupling component and the driven-side coupling component are both cylindrical, a cross section of the first boss is fan-shaped, an outer circular surface of the first boss is formed by partially extending an outer circular surface of the driving-side coupling component in an axial direction, a cross section of the second boss is fan-shaped, and an outer circular surface of the second boss is formed by partially extending an outer circular surface of the driven-side coupling component in the axial direction.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the driving side coupling part is provided with a driving shaft hole, and the driven side coupling part is provided with a driven shaft hole.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the driving-side coupling part is radially provided with a jackscrew mounting hole communicated with the driving shaft hole, and the driven-side coupling part is radially provided with a jackscrew mounting hole communicated with the driven shaft hole.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the driving-side coupling part and the driven-side coupling part are provided with a plurality of pairs of pin holes which are distributed oppositely in the axial direction.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the coupling further includes a pin that is fitted into the pin hole to fix the driving-side coupling member and the driven-side coupling member as a whole, and the pin is pre-installed in the pin hole of the driving-side coupling member or the driven-side coupling member.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the damping device further includes a damping assembly, and the damping assembly is configured to apply damping to the driven-side coupling component or a driven shaft connected to the driven-side coupling component.
With reference to the first aspect and the foregoing implementation manners, in certain implementation manners of the first aspect, the damping assembly includes a damping pad and an elastic component, and the damping pad is in friction fit with the driven-side coupling component or a driven shaft connected to the driven-side coupling component under the action of the elastic component.
In a second aspect, a conveyor line includes:
a delivery assembly;
the driving shaft is connected with the conveying assembly;
the encoder is connected with the driving shaft through the coupling in any one implementation manner of the first aspect;
the encoder is connected with a driven side coupler part of the coupler, and the driving shaft is connected with a driving side coupler part of the coupler.
One of the above technical solutions has at least one of the following advantages or beneficial effects: when the coupler is used, the driven side coupler part is connected to the encoder, the driving side coupler part is connected to the driving shaft, and when the driving side coupler part rotates along the first direction, the first boss and the second boss are in meshed transmission to drive the encoder to output pulses. When the drive side is moved (rotated in the second direction), the first boss and the second boss are disengaged, so that the encoder does not follow the reverse rotation. When the driving side rotates along the first direction again, the first boss needs to rotate forwards to the position where the first boss starts to rotate backwards for the last time, and the encoder can be effectively driven to rotate forwards. The coupler can filter local reverse rotation generated during braking of the driving side and can avoid pulse deviation generated during shifting. The coupler is of a pure mechanical structure, and is free from abnormality caused by electrical faults.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a first boss and a second boss meshing transmission structure of an embodiment of the coupling of the present invention;
FIG. 2 is a schematic view of a first boss and a second boss of the embodiment shown in FIG. 1;
fig. 3 is a schematic illustration of the pinned connection of the drive side coupling component to the driven side coupling component of the embodiment shown in fig. 1.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the present invention, if directions (up, down, left, right, front, and rear) are described, it is only for convenience of describing the technical solution of the present invention, and it is not intended or implied that the technical features referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, it is not to be construed as limiting the present invention.
In the utility model, the meaning of "a plurality" is one or more, the meaning of "a plurality" is more than two, and the terms of "more than", "less than", "more than" and the like are understood to exclude the number; the terms "above", "below", "within" and the like are understood to include the instant numbers. In the description of the present invention, if there is description of "first" and "second" only for the purpose of distinguishing technical features, it is not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the present invention, unless otherwise specifically limited, the terms "disposed," "mounted," "connected," and the like are to be understood in a broad sense, and for example, may be directly connected or indirectly connected through an intermediate; can be fixedly connected, can also be detachably connected and can also be integrally formed; may be mechanically coupled, may be electrically coupled or may be capable of communicating with each other; either as communication within the two elements or as an interactive relationship of the two elements. The specific meaning of the above-mentioned words in the present invention can be reasonably determined by those skilled in the art in combination with the detailed contents of the technical solutions.
Referring to fig. 1 and 2, an embodiment of the present invention provides a coupling including a driving side coupling part 1 and a driven side coupling part 2, the driving side coupling part 1 and the driven side coupling part 2 being separated from each other, the driving side coupling part 1 being for connection with a driving side, and the driven side coupling part 2 being for connection with a driven side. Wherein the drive side coupling part 1 has a first end surface 11 perpendicular to the axial direction, a partial extension of the first end surface 11 forming a first boss 12 offset from the axis of the drive side coupling part 1. Correspondingly, the driven side coupling part 2 has a second end face 21 perpendicular to the axial direction, a partial extension of the second end face 21 forming a second boss 22 offset from the axis of the driven side coupling part 2. The first boss 12 and the second boss 22 cooperate for torque transmission from the drive side coupling part 1 to the driven side coupling part 2.
With reference to fig. 1 and 2, the axis of the driving side coupling part 1 coincides with the axis of the driven side coupling part 2, the first end face 11 and the second end face 21 are arranged opposite to each other, and when the driving side coupling part 1 rotates along the first direction, the first boss 12 and the second boss 22 are in meshing transmission; when the drive-side coupling part 1 rotates in the second direction, the first boss 12 and the second boss 22 are disengaged, and a play space is left between the first boss 12 and the second boss 22 in the second direction.
For example, in some embodiments, the angles of the first boss 12 and the second boss 22 in the rotation direction are both 24 °, the two-side coupling parts are in contact meshing transmission through the side surfaces of the first boss 12 and the second boss 22, and when the two-side bosses are in meshing transmission, the space of about 300 ° (the accurate value is 312 °) is used for absorbing the redundant pulse in the movement of the driving side.
When the coupler is used, the driven side coupler part 2 is connected to the encoder, the driving side coupler part 1 is connected to the driving shaft, and when the driving side coupler part 1 rotates along the first direction, the first boss 12 and the second boss 22 are in meshed transmission to drive the encoder to output pulses. When the drive side is shifted (rotated in the second direction), the first boss 12 is disengaged from the second boss 22, so that the encoder does not follow the reverse rotation. When the driving side rotates along the first direction again, the first boss 12 needs to rotate forward to the position where the last rotation starts, so that the encoder can be effectively driven to rotate forward. The coupler can filter local reverse rotation generated during braking of the driving side and can avoid pulse deviation generated during shifting. The coupler is of a pure mechanical structure, and is free from abnormality caused by electrical faults.
The first boss 12 may be provided in one or more, and the second boss 22 may be provided in one or more, and in some embodiments, referring to fig. 1 and 2, the first end face 11 is provided with one first boss 12, and the second end face 21 is provided with one second boss 22. The embodiment ensures that the coupler has larger play space by arranging the first boss 12 and the second boss 22 as one boss.
The driving-side coupling member 1 and the driven-side coupling member 2 may be provided with various cross-sectional shapes such as a square shape and a circular shape as required, for example, in some embodiments, the driving-side coupling member 1 and the driven-side coupling member 2 are both cylindrical, the cross section of the first boss 12 is fan-shaped, the outer circumferential surface of the first boss 12 is formed by partially extending the outer circumferential surface of the driving-side coupling member 1 in the axial direction, the cross section of the second boss 22 is fan-shaped, and the outer circumferential surface of the second boss 22 is formed by partially extending the outer circumferential surface of the driven-side coupling member 2 in the axial direction. The coupling parts on two sides are in contact meshing transmission through the side surfaces of the first boss 12 and the second boss 22, the first boss 12 and the second boss 22 are arranged at the peripheral edge positions of the coupling parts on two sides, the torque transmission capacity of the first boss 12 and the second boss 22 is increased, and the coupling is ensured to have larger play space.
In some embodiments, the drive side coupling part 1 is provided with a drive shaft bore for connection with a drive shaft 3. The driven-side coupling member 2 is provided with a driven shaft hole for connection with a driven shaft 4 (e.g., an encoder shaft). The sizes of the driving shaft hole and the driven shaft hole are changed according to the actual shaft diameter requirement.
Further, in order to ensure the stability of the shaft connection in the shaft hole, referring to fig. 1 and 2, the driving side coupling part 1 is provided with a jackscrew mounting hole 13 communicated with the driving shaft hole along the radial direction, and the driven side coupling part 2 is provided with a jackscrew mounting hole communicated with the driven shaft hole along the radial direction. The jackscrew mounting hole can set up one or more, and the jackscrew is gone into to the jack-screw during use to the axle in the jack-up.
In some embodiments, referring to fig. 3, the drive side coupling part 1 and the driven side coupling part 2 are provided with a plurality of pairs of pin holes arranged axially opposite each other. The driving side coupling part 1 and the driven side coupling part 2 can be fixed into a whole through the pin 5 penetrating in the pin hole, and are used for switching the one-way coupling into a common coupling, in other words, the coupling in the embodiment can switch a one-way or locking mode, can be quickly switched into a traditional coupling for use if special requirements exist, and does not need dismounting and replacing operations. Two kinds of transmission modes are through dialling the round pin fast switch-over, save dismouting switching time.
Further, the coupling comprises a pin 5 which is inserted into a pin hole to fix the driving side coupling part 1 and the driven side coupling part 2 as a whole, and the pin 5 is pre-installed in the pin hole of the driving side coupling part 1 or the driven side coupling part 2. When the common coupling needs to be switched, the pins 5 of one coupling part are inserted into the pin holes of the other coupling part, so that the couplings on the two sides can be fixed into a whole.
In some embodiments, the coupling further comprises a damping assembly for applying damping to the driven side coupling part 2 or to a driven shaft connected to the driven side coupling part 2. If the rotational speed on the driving side is high, the driving shaft can be rotated forward against inertia during braking in such a manner that damping is added to the driven-side coupling member 2 or the driven shaft connected to the driven-side coupling member 2.
The damping assembly can adopt a friction wheel, a friction block and the like, for example, in some embodiments, the damping assembly comprises a damping pad and an elastic component, the damping pad is in friction fit with the driven-side coupling component 2 or the driven shaft connected to the driven-side coupling component 2 under the action of the elastic component, wherein the damping amount between the damping pad and the driven-side coupling component 2 or the driven shaft connected to the driven-side coupling component 2 can be adjusted by adjusting the pretightening force of the elastic component.
The embodiment of the utility model also provides a conveying line which comprises a conveying assembly, a driving shaft and an encoder, wherein the conveying assembly can adopt a conveying chain, a conveying belt and the like, and the driving shaft is connected with the conveying assembly to realize material conveying. The encoder is connected with the driving shaft through the coupler in any one of the above embodiments, specifically, the encoder is connected with a driven side coupler part 2 of the coupler, and the driving shaft is connected with a driving side coupler part 1 of the coupler. The local reversal that produces when this transfer chain can filter the braking of drive side can avoid the pulse deviation that produces when the drunkenness.
In the description herein, references to the description of the term "example," "an embodiment," or "some embodiments," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The utility model is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the utility model, and such equivalent modifications or substitutions are included in the scope of the claims of the present application.
Claims (10)
1. A coupling, comprising:
the driving side coupling component is provided with a first end surface perpendicular to the axial direction, and a first boss deviating from the axis of the driving side coupling component is formed by the partial extension of the first end surface;
the driven side coupling part is provided with a second end face perpendicular to the axial direction, and a second boss deviating from the axis of the driven side coupling part is formed by the local extension of the second end face;
the axis of the driving side coupling part is superposed with the axis of the driven side coupling part, the first end face and the second end face are arranged oppositely, and when the driving side coupling part rotates along a first direction, the first boss and the second boss are in meshing transmission; when the driving side coupling part rotates along the second direction, the first boss and the second boss are disengaged, and a play space is reserved between the first boss and the second boss along the second direction.
2. The coupling of claim 1 wherein said first end surface defines one of said first bosses and said second end surface defines one of said second bosses.
3. The coupling of claim 1, wherein the drive-side coupling part and the driven-side coupling part are both cylindrical, the first boss has a fan-shaped cross section, the outer circumferential surface of the first boss is formed by the outer circumferential surface of the drive-side coupling part extending axially partially, the second boss has a fan-shaped cross section, and the outer circumferential surface of the second boss is formed by the outer circumferential surface of the driven-side coupling part extending axially partially.
4. The coupling of claim 1, wherein the drive side coupling member is provided with a drive shaft bore and the driven side coupling member is provided with a driven shaft bore.
5. The coupling of claim 4 wherein said drive side coupling member radially defines a jackscrew mounting hole in communication with said drive shaft bore and said driven side coupling member radially defines a jackscrew mounting hole in communication with said driven shaft bore.
6. The coupling of claim 1 wherein said drive side coupling member and said driven side coupling member are provided with a plurality of pairs of axially opposed pin bores.
7. The coupling of claim 6 further comprising pins received in said pin bores to secure said drive side coupling member and said driven side coupling member as a unit, said pins being preloaded in said pin bores of said drive side coupling member or said driven side coupling member.
8. The coupling of claim 1 further comprising a damping assembly for applying damping to the driven side coupling part or to a driven shaft connected to the driven side coupling part.
9. The coupling of claim 8 wherein the damping assembly includes a damping pad and a resilient member, the damping pad frictionally engaging the driven side coupling member or a driven shaft connected to the driven side coupling member under the influence of the resilient member.
10. A conveyor line, comprising:
a delivery assembly;
the driving shaft is connected with the conveying assembly;
an encoder connected to the drive shaft by the coupling of any one of claims 1 to 9;
the encoder is connected with a driven side coupler part of the coupler, and the driving shaft is connected with a driving side coupler part of the coupler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121648651.3U CN215720312U (en) | 2021-07-19 | 2021-07-19 | Coupling and transfer chain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121648651.3U CN215720312U (en) | 2021-07-19 | 2021-07-19 | Coupling and transfer chain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215720312U true CN215720312U (en) | 2022-02-01 |
Family
ID=79987883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121648651.3U Active CN215720312U (en) | 2021-07-19 | 2021-07-19 | Coupling and transfer chain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215720312U (en) |
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2021
- 2021-07-19 CN CN202121648651.3U patent/CN215720312U/en active Active
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