CN219408590U - Roll shaft locking structure - Google Patents
Roll shaft locking structure Download PDFInfo
- Publication number
- CN219408590U CN219408590U CN202320443110.XU CN202320443110U CN219408590U CN 219408590 U CN219408590 U CN 219408590U CN 202320443110 U CN202320443110 U CN 202320443110U CN 219408590 U CN219408590 U CN 219408590U
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- China
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- metal plate
- roller
- electromagnet
- locking structure
- shaft locking
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Abstract
The utility model discloses a roll shaft locking structure, which comprises: a fixing seat; the inserting piece is used for being fixed with the roll shaft, and a metal plate is fixedly arranged on one side of the inserting piece, facing the fixed seat; the electromagnet is fixedly arranged on the fixing seat and is used for magnetically adsorbing the metal plate so as to fix the metal plate; the elastic piece is arranged on the fixing seat, extends out of the fixing seat and is used for driving the metal plate to move along one side deviating from the electromagnet. Through the fixed roller of electro-magnet magnetism absorption with fixed roller, effectively avoid the curly hair to take place the skew, when the electro-magnet loses the magnetism, the elastic component pushes away the roller, makes the relative electro-magnet activity of roller, and overall structure is simple, can control the roller conveniently and switch between rotation and locking.
Description
Technical Field
The utility model relates to the technical field of roll shaft conveying, in particular to a roll shaft locking structure.
Background
The roller is an important component in conveying application, generally, the roller comprises a driving roller and a driven roller, and the driving roller and the driven roller are connected through a conveying belt or a conveying chain to form a continuously rotating conveying device. Or the driving roller and the driven roller are connected through the material roll, so that the material can be unreeled or rolled. In the related art, when the conveying device stops conveying in use, a driving roller and a driven roller are required to be locked, unpredictable operation risks caused by offset of a roller are avoided, in some related technologies, axial and circumferential tensioning locking is adopted for a roller shaft, and the problems of complex structure, high requirement on precision of parts and high manufacturing cost exist.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the roll shaft locking structure, which adopts magnetic adsorption to fix the roll shaft, and has simple structure and convenient control.
According to an embodiment of the utility model, a roller shaft locking structure comprises:
a fixing seat;
the inserting piece is used for being fixed with the roll shaft, and a metal plate is fixedly arranged on one side, facing the fixing seat, of the inserting piece;
the electromagnet is fixedly arranged on the fixing seat and is used for magnetically adsorbing the metal plate so as to fix the metal plate;
the elastic piece is arranged on the fixing seat, extends out of the fixing seat and is used for driving the metal plate to move along one side deviating from the electromagnet.
The roll shaft locking structure provided by the embodiment of the utility model has at least the following beneficial effects: through the fixed roller of electro-magnet magnetism absorption with fixed roller, effectively avoid the curly hair to take place the skew, when the electro-magnet loses the magnetism, the elastic component pushes away the roller, makes the relative electro-magnet activity of roller, and overall structure is simple, can control the roller conveniently and switch between rotation and locking.
According to the roll shaft locking structure, part of the electromagnet extends out of the fixing seat, and the electromagnet magnetically attracts the metal plate and is pressed and fixed with the metal plate.
According to the roll shaft locking structure, a plurality of electromagnets are arranged at intervals along the circumferential direction of the metal plate.
According to the roll shaft locking structure, when the electromagnet is powered off, the electromagnet magnetically attracts the metal plate.
According to the roll shaft locking structure, the elastic piece is propped against the middle part of the metal plate.
According to the roll shaft locking structure, the fixing base is fixedly provided with the fixing shaft, the fixing shaft sequentially penetrates through the elastic piece, the metal plate and the plug connector, and the metal plate and the plug connector are both rotatably arranged on the fixing shaft.
According to the roll shaft locking structure, one side of the metal plate, which faces the elastic piece, is provided with the gasket, one side of the gasket is abutted against the elastic piece, and the other side of the gasket is abutted against the metal plate.
According to the roll shaft locking structure of the utility model, the metal plate is provided with the connecting hole, the connecting hole is used for fixing the metal plate and the plug connector, and projections of the gasket and the connecting hole along the central line direction of the elastic piece are at least partially overlapped.
According to the roll shaft locking structure, the circumferential wall of the roll shaft is provided with the limiting groove, the limiting groove extends along the central line direction of the roll shaft, the outer wall of the plug connector is provided with the limiting protrusion corresponding to the limiting groove, and the limiting protrusion is slidably arranged in the limiting groove along the central line direction of the roll shaft.
According to the roll shaft locking structure, the roll shaft is provided with the hollow groove, the end part of the plug connector is provided with the conical protrusion, and the conical protrusion is in plug fit with the hollow groove.
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 foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is an exploded view of a roller locking mechanism according to an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a roller locking structure according to an embodiment of the present utility model;
fig. 3 is an overall schematic view of a roll shaft locking structure according to an embodiment of the present utility model.
Reference numerals illustrate:
a holder 100; an electromagnet 110; an elastic member 120; a fixed shaft 130;
a plug 200; a limit projection 201; a tapered protrusion 202; a metal plate 210; a connection hole 211; a gasket 220;
a roller shaft 300; limit groove 301; a hollow slot 302; roll 310.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
In the description of the present utility model, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 roller is an important component in conveying application, generally, the roller comprises a driving roller and a driven roller, and the driving roller and the driven roller are connected through a conveying belt or a conveying chain to form a continuously rotating conveying device. Or the driving roller and the driven roller are connected through the material roll, so that the material can be unreeled or rolled. In the related art, when the conveying device stops conveying in use, a driving roller and a driven roller are required to be locked, unpredictable operation risks caused by offset of a roller are avoided, in some related technologies, axial and circumferential tensioning locking is adopted for a roller shaft, and the problems of complex structure, high requirement on precision of parts and high manufacturing cost exist.
For this reason, as shown in fig. 1 to 3, the roll shaft locking structure provided by the present utility model includes a fixing base 100, an inserting piece 200, a roll shaft 300, an electromagnet 110 and an elastic piece 120, wherein the inserting piece 200 is used for fixing with the roll shaft 300, for example, the inserting piece 200 is in interference fit with the roll shaft 300 after being inserted into the roll shaft 300, the electromagnet 110 and the elastic piece 120 are both installed on the fixing base 100, and the inserting piece 200 is fixedly connected or movably connected with the fixing base 100 through the cooperation of the electromagnet 110 and the elastic piece 120. Specifically, a metal plate 210 is fixedly disposed on a side of the plug 200 facing the fixing base 100, and the electromagnet 110 is used for magnetically attracting the metal plate 210 to fix the metal plate 210, so as to fix the plug 200 and the fixing base 100. The elastic member 120 extends out of the fixing base 100 and is used for driving the metal plate 210 to move along a side away from the electromagnet 110. By switching between the energized and de-energized states, the electromagnet 110 can be switched between magnetic and non-magnetic, and when the electromagnet 110 is magnetic, the electromagnet 110 attracts the metal plate 210. It is easy to understand that, through the magnetic attraction of the electromagnet 110 to fix the roller 300, the offset of the roll 310 is effectively avoided, and when the electromagnet 110 loses magnetism, the elastic member 120 pushes away the roller 300, so that the roller 300 moves relative to the electromagnet 110, and the whole structure is simple, and the roller 300 can be conveniently controlled to switch between rotation and locking. In some embodiments, the roll shaft 300 is sleeved with the material roll 310, when the roll shaft 300 rotates, the material roll 310 is unreeled, and when the roll shaft 300 rotates reversely, the material roll 310 is reeled. For example, roll 310 is a roll of metal foil, a single roll of disposable inspection mat, a roll of packaging film, and the like.
It is easy to understand that when the magnetism generated by the electromagnet 110 is strong enough, the electromagnet 110 is embedded in the fixing base 100, so that the metal plate 210 can be effectively adsorbed without exposure, and the metal plate 210 is pressed and fixed on the fixing base 100. In some embodiments of the present utility model, as shown in fig. 1 and 2, a part of the electromagnet 110 extends out of the fixing seat 100, the electromagnet 110 magnetically attracts the metal plate 210 and is pressed against and fixed with the metal plate 210, so that the requirement of generating magnetic force of the electromagnet 110 can be reduced, the attraction effect of directly abutting the electromagnet 110 against the metal plate 210 is better, and the metal plate 210 is more firmly connected with the electromagnet 110. Specifically, the fixing base 100 is provided with an opening through which the electromagnet 110 passes, the electromagnet 110 extends out of the fixing base 100 through the opening, and when the electromagnet 110 has magnetism, the electromagnet 110 attracts the metal plate 210 and makes the metal plate 210 press and fix to the electromagnet 110. Further, there are a plurality of electromagnets 110, and the plurality of electromagnets 110 are arranged at intervals along the circumferential direction of the metal sheet 210. By multipoint adsorption of the metal plate 210, the connection firmness between the metal plate 210 and the electromagnet 110 is further improved. For example, two electromagnets 110 are uniformly arranged along the circumferential direction of the metal plate 210, so that the effect of attracting the metal plate 210 to move under the cooperation of the magnetic forces generated by the two electromagnets 110 is better.
In some embodiments of the present utility model, when the electromagnet 110 is de-energized, the electromagnet 110 magnetically attracts the metal plate 210. Corresponding to the practical application situation, the programming difficulty of the control system can be effectively reduced. For example, in a motor-energized state, the roller 300 rotates to convey the roll 310, and accordingly, the electromagnet 110 does not generate magnetism in an energized state, and the metal plate 210 can rotate together with the roller 300. In addition, when the motor has the band-type brake function, the fixed roller of band-type brake when the motor is cut off, for example, the roller is divided into a driving roller and a driven roller, the motor is connected with the driving roller, and the electromagnet 110 is arranged on one side of the driven roller. When the motor is powered off, the driving roll shaft is locked through the band-type brake function of the motor, and when the electromagnet 110 is powered off, the driven roll shaft is fixed with the electromagnet 110 to realize locking.
In some embodiments of the present utility model, as shown in fig. 1 and 2, the elastic member 120 is pressed against the middle of the metal plate 210, and when the electromagnet 110 is non-magnetic, the elastic member 120 can better push the metal plate 210 away from the electromagnet 110. Alternatively, the elastic member 120 is a compression spring, and the plurality of electromagnets 110 are uniformly arranged along the circumferential direction of the compression spring. Further, the fixing base 100 is fixedly provided with a fixing shaft 130, the fixing shaft 130 sequentially penetrates through the elastic member 120, the metal plate 210 and the plug connector 200, and the metal plate 210 and the plug connector 200 are both rotatably arranged on the fixing shaft 130. The positioning of the elastic member 120, the metal plate 210 and the plug connector 200 is realized through the fixed shaft 130, wherein the central lines of the fixed shaft 130, the elastic member 120, the metal plate 210 and the plug connector 200 are overlapped, and the structure is more compact. In some embodiments, the metal plate 210 and the middle portion of the connector 200 are provided with a mating hole that mates with the fixed shaft 130, for example, the mating hole mates with the fixed shaft 130 through a clearance fit.
In some embodiments of the present utility model, as shown in fig. 1, a washer 220 is disposed on a side of the metal plate 210 facing the elastic member 120, the fixing shaft 130 is disposed through the washer 220, and one side of the washer 220 is pressed against the elastic member 120, and the other side is pressed against the metal plate 210. In addition, the metal plate 210 is provided with a connection hole 211, the connection hole 211 is used for fixing the metal plate 210 and the plug 200, and projections of the gasket 220 and the connection hole 211 along the center line direction of the elastic member 120 are at least partially overlapped. By the transition of the gasket 220, the metal plate 210 is prevented from influencing the pressing effect of the elastic member 120 due to the opening of the connecting hole 211, and it should be noted that the connecting hole 211 is formed in the end surface of the metal plate 210, and the elastic member 120 may extend into the connecting hole 211 to influence the pressing effect of the elastic member 120 against the metal plate 210. Alternatively, the connection hole 211 is a countersunk hole, the plug 200 is provided with a threaded hole (not shown) corresponding to the countersunk hole, and the metal plate 210 and the plug 200 are fixed by screws (not shown) located in the countersunk hole and the threaded hole. In particular, since the connection hole 211 needs to be disposed corresponding to the end surface of the plug 200, when the plug 200 has a smaller outer diameter and the elastic member 120 abuts against the middle portion of the metal plate 210, the projection of the elastic member 120 and the connection hole 211 along the central line direction of the elastic member 120 is likely to overlap at least partially, and at this time, the gasket 220 can effectively shield the connection hole 211, so as to ensure the effect of the elastic member 120 pushing against the metal plate 210.
In some embodiments of the present utility model, as shown in fig. 1 and 3, a circumferential wall of a roller 300 is provided with a limit groove 301, the limit groove 301 extends along a central line direction of the roller 300, an outer wall of the plug 200 is provided with a limit protrusion 201 corresponding to the limit groove 301, and the limit protrusion 201 is slidably disposed in the limit groove 301 along the central line direction of the roller 300. Through the plug-in cooperation of the limit protrusion 201 and the limit groove 301, the roller shaft 300 is fixed with the plug-in connector 200 in the circumferential direction, and can be conveniently taken out in the axial direction to replace different material rolls 310. It is easy to understand that the mating insertion length between the limiting protrusion 201 and the limiting groove 301 is greater than the displacement of the plug connector 200 moving towards the electromagnet 110, when the electromagnet 110 magnetically attracts the metal plate 210 to move, and after driving the plug connector 200 to move towards the electromagnet 110, the limiting protrusion 201 still keeps mating with the limiting groove 301, so that the roller 300 cannot rotate when the plug connector 200 is fixed.
In some embodiments of the present utility model, as shown in fig. 1 and 2, the roller 300 is provided with a hollow groove 302, and the end of the connector 200 is provided with a tapered protrusion 202, and the tapered protrusion 202 is in plug-fit with the hollow groove 302, so that the assembly between the roller 300 and the connector 200 is more convenient.
The embodiments of the present utility model have been described in detail with reference to the accompanying drawings, but the present utility model is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present utility model.
Claims (10)
1. Roll shaft locking structure, its characterized in that includes:
a fixing seat;
the inserting piece is used for being fixed with the roll shaft, and a metal plate is fixedly arranged on one side, facing the fixing seat, of the inserting piece;
the electromagnet is fixedly arranged on the fixing seat and is used for magnetically adsorbing the metal plate so as to fix the metal plate;
the elastic piece is arranged on the fixing seat, extends out of the fixing seat and is used for driving the metal plate to move along one side deviating from the electromagnet.
2. The roller shaft locking structure according to claim 1, wherein: and part of the electromagnet extends out of the fixed seat, and the electromagnet magnetically adsorbs the metal plate and is pressed and fixed with the metal plate.
3. The roller shaft locking structure according to claim 1 or 2, characterized in that: the plurality of electromagnets are arranged at intervals along the circumferential direction of the metal plate.
4. The roller shaft locking structure according to claim 1 or 2, characterized in that: when the electromagnet is powered off, the electromagnet magnetically attracts the metal plate.
5. The roller shaft locking structure according to claim 1, wherein: the elastic piece is propped against the middle part of the metal plate.
6. The roller shaft locking structure according to claim 1 or 5, characterized in that: the fixing seat is fixedly provided with a fixing shaft, the fixing shaft sequentially penetrates through the elastic piece, the metal plate and the plug connector, and the metal plate and the plug connector are both rotatably arranged on the fixing shaft.
7. The roller shaft locking structure according to claim 1 or 5, characterized in that: one side of the metal plate, which faces the elastic piece, is provided with a gasket, one side of the gasket is propped against the elastic piece, and the other side of the gasket is propped against the metal plate.
8. The roll shaft locking structure according to claim 7, wherein: the metal plate is provided with a connecting hole, the connecting hole is used for fixing the metal plate and the plug connector, and projection of the gasket and the connecting hole along the central line direction of the elastic piece is at least partially overlapped.
9. The roller shaft locking structure according to claim 1, wherein: the periphery wall of roller is provided with the spacing groove, the spacing groove is followed the central line direction of roller extends, the plug connector outer wall be provided with the spacing arch that the spacing groove corresponds, spacing arch is followed the central line direction of roller slide set up in the spacing groove.
10. The roller shaft locking structure according to claim 1 or 9, characterized in that: the roll shaft is provided with a hollow groove, the end part of the plug connector is provided with a conical protrusion, and the conical protrusion is in plug connection fit with the hollow groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320443110.XU CN219408590U (en) | 2023-03-09 | 2023-03-09 | Roll shaft locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320443110.XU CN219408590U (en) | 2023-03-09 | 2023-03-09 | Roll shaft locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219408590U true CN219408590U (en) | 2023-07-25 |
Family
ID=87207179
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320443110.XU Active CN219408590U (en) | 2023-03-09 | 2023-03-09 | Roll shaft locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219408590U (en) |
-
2023
- 2023-03-09 CN CN202320443110.XU patent/CN219408590U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |