CN220726899U - Firm shaft coupling with dabber - Google Patents
Firm shaft coupling with dabber Download PDFInfo
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- CN220726899U CN220726899U CN202322156146.2U CN202322156146U CN220726899U CN 220726899 U CN220726899 U CN 220726899U CN 202322156146 U CN202322156146 U CN 202322156146U CN 220726899 U CN220726899 U CN 220726899U
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- mounting plate
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- mandrel
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- mounting
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- 230000008878 coupling Effects 0.000 title claims abstract description 26
- 238000010168 coupling process Methods 0.000 title claims abstract description 26
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 26
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 239000011148 porous material Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 5
- 238000007790 scraping Methods 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of couplings, and particularly relates to a stable coupling with a mandrel, which comprises: the device comprises a first mounting plate, a second mounting plate and a mandrel, wherein a first through hole and a second through hole are respectively formed in the first mounting plate and the second mounting plate, the hole walls of the first through hole and the second through hole are inclined relative to the outer walls of the first mounting plate and the second mounting plate respectively, and when the first mounting plate and the second mounting plate are detachably connected, one end of the first through hole with a larger hole diameter and one end of the second through hole with a larger hole diameter are oppositely arranged; the dabber runs through first mounting panel with the second mounting panel, the pore wall of first through-hole with the outer wall of dabber pastes tightly, the pore wall of second through-hole with the outer wall of dabber pastes tightly, and this kind of firm shaft coupling with dabber has the radial runout of assurance dabber and the effect of axial runout.
Description
Technical Field
The utility model belongs to the technical field of couplings, and particularly relates to a stable coupling with a mandrel.
Background
The high-efficiency rotary film evaporator is a film-forming forced air knife formed by high-speed rotation of a fixed rotary scraping plate, a mandrel of the rotary scraping plate is controlled by a motor, a spindle of the motor and a mandrel of a rotary scraping plate are connected through a coupler and transmit torque, in the conventional film evaporator, the coupler is of a plum blossom type elastic coupler, and a plum blossom type coupler is composed of two half couplers with the same convex claw shape and elastic elements, which are also called claw couplers. The plum blossom type elastic coupling mainly comprises two convex teeth which are closely meshed and bear radial extrusion to achieve the purpose of transmitting torque, when two axes are relatively deviated, the plum blossom type elastic element generates corresponding elastic deformation to play a role of automatic compensation, the plum blossom type elastic coupling is simple in structure, convenient to maintain and free of maintenance, can continuously run for a long time, has high bearing capacity, has good vibration damping, buffering and electrical insulation performances, is suitable for medium-high speed occasions, but can easily cause slipping between a mandrel and a motor spindle under high speed or high load, cannot ensure radial runout and axial runout of a connecting mandrel, is not suitable for operation under high temperature occasions, is applied to a film evaporator, is shorter, does not allow larger axial runout and radial runout when the mandrel and the motor spindle are connected through the coupling, and therefore does not allow the phenomenon of slipping of the coupling.
The prior art solutions described above have the following drawbacks: in the working process of the coupler in the prior art, the connected mandrel can generate larger radial and axial runout during rotation, and the phenomena of slipping and the like are easy to occur, so that the working requirements of the rotary film evaporator can not be well met.
Disclosure of Invention
The utility model aims to provide a stable coupler with a mandrel, so as to solve the technical problem that the mandrel can generate larger radial and axial runout when rotating, and achieve the aim that the mandrel of a film evaporator can stably operate.
In order to solve the technical problems, the present utility model provides a stable coupling with a mandrel, comprising:
the first mounting plate and the second mounting plate are detachably connected;
the first mounting plate and the second mounting plate are respectively provided with a first through hole and a second through hole, the hole wall of the first through hole is inclined relative to the outer wall of the first mounting plate, and the hole wall of the second through hole is inclined relative to the outer wall of the second mounting plate;
one end of the first through hole with larger aperture and one end of the second through hole with larger aperture are arranged opposite to each other;
the mandrel penetrates through the first mounting plate and the second mounting plate when the first mounting plate and the second mounting plate are detachably connected;
when the mandrel is detachably connected between the first mounting plate and the second mounting plate, the hole wall of the first through hole is tightly attached to the outer wall of the mandrel, and the hole wall of the second through hole is tightly attached to the outer wall of the mandrel.
The technical scheme has the effects that: when the first mounting plate and the second mounting plate are detachably connected, extrusion force is generated in the opposite directions of the first mounting plate and the second mounting plate, the first through hole and the second through hole are extruded between the first mounting plate and the second mounting plate along the axis of the mandrel, and the mandrel is tightly clung to the first through hole and the second through hole in the process, so that clamping is formed on the mandrel.
Further, the first mounting plate and the second mounting plate are both mounting flanges.
The technical scheme has the effects that: the coupling has better strength and tightness through the connection of the mounting flange
Further, the first mounting plate is provided with a plurality of threaded holes, and the second mounting plate is provided with third through holes which are equal to the threaded holes in number and opposite in position;
each third through hole and the corresponding threaded hole are connected through bolts.
The technical scheme has the effects that: can guarantee the connection stability between first mounting panel and the second mounting panel through the connection dismantled between bolt and the first mounting panel and the second mounting panel to conveniently dismantle.
Further, a first mounting hole for inserting the motor spindle is formed in the end face of the mandrel.
The technical scheme has the effects that: when the first mounting plate and the second mounting plate are detachably connected, the motor spindle is inserted into the first mounting hole, the first mounting plate and the second mounting plate are clamped, the hole wall of the first mounting hole is tightly attached to the outer wall of the motor spindle, and the fixed connection between the motor spindle and the mandrel is completed.
Further, a clamping part is arranged on the mandrel, and the clamping part is arranged along the axial direction of the mandrel.
The technical scheme has the effects that: the setting of clamping part is in order to make the dabber take place deformation towards the axis direction of dabber when first mounting panel and second mounting panel can dismantle the connection to make the pore wall of first mounting hole firmly paste the outer wall of motor spindle, accomplish the fixed connection between motor spindle and the dabber.
Further, the clamping part is a clamping notch, and the length direction of the clamping notch is parallel to the axial direction of the mandrel.
The technical scheme has the effects that: when the first mounting plate and the second mounting plate are detachably connected, the clamping notch is formed in such a way that the outer wall of the first mounting hole contracts towards the axial direction of the motor spindle to leave a margin, so that the hole wall of the first mounting hole can be tightly attached to the outer wall of the motor spindle.
The beneficial effects of the utility model are as follows:
1. the axial runout and the radial runout of the mandrel are guaranteed, and the fault probability of the evaporator in the working process is reduced.
2. The slipping of the mandrel and the motor spindle during torque transmission is prevented, and the working efficiency of the evaporator is improved.
In order to make the above objects, features and advantages of the present utility model more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic illustration of the construction of a preferred embodiment of a stable coupling with a mandrel of the present utility model;
FIG. 2 is a cross-sectional view of a first mounting plate of a preferred embodiment of a stable coupling with a mandrel of the present utility model;
FIG. 3 is a cross-sectional view of a second mounting plate of a preferred embodiment of a stable coupling with a mandrel of the present utility model;
FIG. 4 is a cross-sectional view of a preferred embodiment of a stable coupling with a mandrel of the present utility model;
FIG. 5 is a schematic illustration of the mandrel structure of a preferred embodiment of a stable coupling with a mandrel of the present utility model;
fig. 6 is a schematic view of the structure of a spindle of an insertion motor of a preferred embodiment of a stable coupling with spindle of the present utility model.
In the figure: 1. a first mounting plate; 2. a second mounting plate; 3. a first through hole; 4. a second through hole; 5. a threaded hole; 6. a third through hole; 7. a bolt; 8. a first mounting hole; 9. clamping the notch; 10. and (5) a mandrel.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples:
as shown in fig. 1 to 6, a stable coupling with a mandrel, comprising: the first mounting plate 1 and the second mounting plate 2 are detachably connected, and the first mounting plate 1 and the second mounting plate 2 are mounting flanges; as shown in fig. 2 and 4, the first mounting plate 1 is provided with a plurality of threaded holes 5, the first mounting plate 1 is provided with a first through hole 3, and the hole wall of the first through hole 3 is inclined relative to the outer wall of the first mounting plate 1 by an angle of about 10 degrees; as shown in fig. 3 and 5, the second mounting plate 2 is provided with third through holes 6 which are equal in number and opposite in position to the threaded holes 5, the second mounting plate 2 is provided with second through holes 4, and the inclination angle of the hole walls of the second through holes 4 relative to the outer wall of the second mounting plate 2 is about 10 degrees; when the first mounting plate 1 and the second mounting plate 2 are detachably connected, the end of the first through hole 3 with the larger aperture and the end of the second through hole 4 with the larger aperture are disposed in opposition, as shown in fig. 6, and the detachable connection is completed between each third through hole 6 and its corresponding screw hole 5 by a bolt 7.
What needs to be explained here is: when the first mounting plate 1 and the second mounting plate 2 are detachably connected through the bolts 7, along with tightening of the bolts 7, extrusion force is generated in the opposite directions of the first mounting plate 1 and the second mounting plate 2, at this time, the first through hole 3 and the second through hole 4 are extruded between the first mounting plate 1 and the second mounting plate 2 along the axis of the mandrel 10, and in the process, the first through hole 3 and the second through hole 4 are tightly attached to the mandrel 10 to clamp the mandrel 10.
When the mandrel 10 is detachably connected with the first mounting plate 1 and the second mounting plate 2, the mandrel 10 penetrates through the first mounting plate 1 and the second mounting plate 2, the hole wall of the first through hole 3 is tightly attached to the outer wall of the mandrel 10, the hole wall of the second through hole 4 is tightly attached to the outer wall of the mandrel 10, the mandrel 10 is provided with a clamping part, the clamping part is a clamping notch 9, the length direction of the clamping notch 9 is parallel to the axial direction of the mandrel 10, and the end face of the mandrel 10 is provided with a first mounting hole 8 for being inserted into a motor spindle.
What needs to be explained here is: when the bolts 7 are continuously screwed, the first through holes 3 and the second through holes 4 are tightly clung to the mandrel 10 when the bolts 7 are continuously screwed down, the mandrel 10 is tightly clamped, the mandrel 10 is also tightly clamped towards the axis direction of the mandrel 10, the mandrel 10 is provided with a clamping notch 9, the end face of the mandrel 10 is provided with a first mounting hole 8, a motor spindle is inserted into the first mounting hole 8, when the mandrel 10 is tightly clamped towards the axis direction of the mandrel 10, the mandrel 10 is deformed by a certain amount due to the existence of the clamping notch 9, the wall of the first mounting hole 8 is firmly clamped with the outer wall of the motor spindle to form firm connection, and the concentricity between the mandrel 10 and the motor spindle is further ensured through the screwing down of the bolts 7, so that the axial runout and radial runout errors of the mandrel 10 in the working process are further reduced, and the fault probability of the evaporator in the working process is reduced.
In summary, by changing the inclination angles of the hole walls of the first through hole 3 and the second through hole 4, the opposing extrusion force between the first mounting plate 1 and the second mounting plate 2 is converted into the extrusion force towards the axis direction of the mandrel 10, and the clamping notch 9 is formed on the mandrel 10, and deformation is generated when the mandrel 10 is extruded, so that the hole wall of the first mounting hole 8 formed on the end surface of the mandrel 10 is clamped towards the axis direction of the mandrel 10, and the hole wall of the first mounting hole 8 is tightly attached to the outer wall of the motor spindle inserted in the first mounting hole 8, so that the fixed connection between the mandrel 10 and the motor spindle is formed.
The components selected in the application are all general standard components or components known to the person skilled in the art, and the structures and principles of the components are all known to the person skilled in the art through technical manuals or through routine experimental methods.
In the description of embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
With the above-described preferred embodiments according to the present utility model as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (6)
1. A stable coupling with a mandrel, comprising:
the device comprises a first mounting plate (1) and a second mounting plate (2), wherein the first mounting plate (1) and the second mounting plate (2) are detachably connected;
a first through hole (3) and a second through hole (4) are respectively formed in the first mounting plate (1) and the second mounting plate (2), the hole wall of the first through hole (3) is inclined relative to the outer wall of the first mounting plate (1), and the hole wall of the second through hole (4) is inclined relative to the outer wall of the second mounting plate (2);
one end of the first through hole (3) with larger aperture and one end of the second through hole (4) with larger aperture are arranged opposite to each other;
the mandrel (10), when the first mounting plate (1) and the second mounting plate (2) are detachably connected, the mandrel (10) penetrates through the first mounting plate (1) and the second mounting plate (2);
when the mandrel (10) is detachably connected between the first mounting plate (1) and the second mounting plate (2), the hole wall of the first through hole (3) is tightly attached to the outer wall of the mandrel (10), and the hole wall of the second through hole (4) is tightly attached to the outer wall of the mandrel (10).
2. A stable coupling with a mandrel as claimed in claim 1, wherein;
the first mounting plate (1) and the second mounting plate (2) are both mounting flanges.
3. A stable coupling with a mandrel as claimed in claim 2, wherein,
a plurality of threaded holes (5) are formed in the first mounting plate (1), and third through holes (6) which are equal to the threaded holes (5) in number and opposite in position are formed in the second mounting plate (2);
each third through hole (6) and the corresponding threaded hole (5) are connected through bolts (7).
4. A stable coupling with a spindle according to claim 3, characterized in that the end face of the spindle (10) is provided with a first mounting hole (8) for insertion of a motor spindle.
5. A stable coupling with a spindle according to claim 4, characterized in that the spindle (10) is provided with clamping parts arranged in the axial direction of the spindle (10).
6. A stable coupling with a spindle according to claim 5, characterized in that the clamping part is a clamping gap (9), the length direction of the clamping gap (9) being parallel to the axial direction of the spindle (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322156146.2U CN220726899U (en) | 2023-08-10 | 2023-08-10 | Firm shaft coupling with dabber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322156146.2U CN220726899U (en) | 2023-08-10 | 2023-08-10 | Firm shaft coupling with dabber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220726899U true CN220726899U (en) | 2024-04-05 |
Family
ID=90487084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322156146.2U Active CN220726899U (en) | 2023-08-10 | 2023-08-10 | Firm shaft coupling with dabber |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220726899U (en) |
-
2023
- 2023-08-10 CN CN202322156146.2U patent/CN220726899U/en active Active
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| GR01 | Patent grant | ||
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