CN221120815U - Low-noise compact eccentric shaft power mechanism - Google Patents
Low-noise compact eccentric shaft power mechanism Download PDFInfo
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- CN221120815U CN221120815U CN202323164995.9U CN202323164995U CN221120815U CN 221120815 U CN221120815 U CN 221120815U CN 202323164995 U CN202323164995 U CN 202323164995U CN 221120815 U CN221120815 U CN 221120815U
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- eccentric shaft
- fixedly connected
- power mechanism
- shaft power
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- 230000007246 mechanism Effects 0.000 title claims abstract description 29
- 230000001681 protective effect Effects 0.000 claims description 17
- 239000003638 chemical reducing agent Substances 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 3
- 238000005520 cutting process Methods 0.000 abstract description 3
- 229910052744 lithium Inorganic materials 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 abstract description 2
- 230000033001 locomotion Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 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 field of cutting of lithium battery pole pieces, in particular to a low-noise compact eccentric shaft power mechanism, which comprises a servo motor; the utility model has the advantages that compared with other transmission devices, the structure of the eccentric shaft is simple, the components are fewer, the failure rate is low, the reliability is high, the operation is stable and the noise is low, and due to the adoption of a rolling friction pair, and no gear engagement and other problems occur, the operation is stable and the noise is low, meanwhile, the volume is small, the weight is light: the eccentric shaft mechanism is small and lightweight relative to other transmissions, which makes it very suitable when space is limited or the weight of the device itself needs to be reduced.
Description
Technical Field
The utility model relates to the field of cutting of lithium battery pole pieces, in particular to a low-noise compact eccentric shaft power mechanism.
Background
In the production process of the lithium battery, the pole piece of the battery needs to be cut, wherein the pole piece is formed by a plurality of layers of overlapped sheet materials and needs to be cut into rectangular pieces with proper size, in order to realize high-efficiency and accurate cutting of the pole piece, an eccentric shaft power mechanism is often needed, the eccentric shaft power mechanism is a mechanism for converting rotary motion into linear motion and consists of one or more eccentric shafts, wherein the eccentric shaft is offset relative to the main shaft center, so that the rotary main shaft drives the eccentric shaft to axially move, common application scenes of the eccentric shaft power mechanism comprise a working mechanism, a cam in an engine, a cam shaft, a rocker mechanism and the like, the eccentric shaft power mechanism is usually formed by a main shaft, an eccentric shaft, a connecting rod and the like, and when the main shaft rotates, the eccentric shaft moves axially relative to the main shaft center due to the action of the centrifugal force and then converts the axial movement into linear motion through the connecting rod, so that the eccentric shaft power mechanism can be utilized to realize tasks requiring linear motion.
Although the above application meets the use requirement of the user to a certain extent, certain defects still exist in the use process, and the specific problem is that as a certain eccentric distance (centrifugal distance) exists between the eccentric shaft and the main shaft, the eccentric shaft generates relatively obvious centrifugal force when running at a high speed along with the increase of the rotation speed, and the problem of noise of the eccentric shaft power mechanism can be caused, so a compact eccentric shaft power mechanism with low noise is proposed for the problem.
Disclosure of utility model
In order to make up the deficiency of the prior art, there is a certain eccentric distance (centrifugal distance) between the eccentric shaft and the main shaft, and along with the increase of the rotation speed, the eccentric shaft can generate obvious centrifugal force when running at high speed, which can possibly cause the noise problem of the eccentric shaft power mechanism.
The technical scheme adopted for solving the technical problems is as follows: a low-noise compact eccentric shaft power mechanism comprises a servo motor; the output shaft of the servo motor is fixedly connected with a planetary reducer, the output shaft of the planetary reducer is fixedly connected with a coupler, one end part of the coupler is fixedly connected with an eccentric shaft, and one end part of the eccentric shaft is fixedly connected with a needle bearing.
Preferably, the eccentric shaft is fixedly sleeved with a fixed cover, the middle part of one side of the fixed cover is fixedly connected with a protective cover, one end part of the needle roller bearing is fixedly connected with a guide rail, one side of the guide rail is fixedly connected with a die connecting assembly, and the die can be subjected to linear reciprocating movement.
Preferably, the fixing cover is composed of a protection box and a connecting door, and one side of the protection box is fixedly connected with the protection cover, so that the protection cover can be fixed.
Preferably, the protection cover is located at the outer side of the coupler, and the protection box is fixedly connected with the connecting door through bolts, so that stability of the protection box in connection with the connecting door is guaranteed.
Preferably, the die connecting assembly consists of a connecting seat and a connecting block, and the bottom of the connecting seat is movably connected with the inner side of the connecting block.
Preferably, the eccentric shaft and the needle roller bearing are both positioned at the inner side of the fixed cover, and one side of the protective cover is fixedly connected with the outer side of the planetary reducer.
Preferably, the input end of the servo motor is electrically connected with the output end of the external power supply.
The utility model has the advantages that:
1. The utility model has the advantages of simple structure, high reliability, less parts compared with other transmission devices, low failure rate, high reliability, stable operation and low noise due to the structural design of the coupler, the eccentric shaft and the needle bearing, and stable operation and low noise due to the adoption of the rolling friction pair and no problems of gear engagement and the like, and meanwhile, the utility model has small volume and light weight: the eccentric shaft mechanism is small and lightweight relative to other transmissions, which makes it very suitable when space is limited or the weight of the device itself needs to be reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a coupling mounting structure of the present utility model;
FIG. 3 is a schematic view of a needle bearing mounting structure of the present utility model;
fig. 4 is a schematic structural view of a mold connecting assembly according to the present utility model.
In the figure: 1. a servo motor; 2. a planetary reducer; 3. a coupling; 4. a fixed cover; 5. a protective cover; 6. an eccentric shaft; 7. needle roller bearings; 8. a guide rail; 9. and a die connecting assembly.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only 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.
The application is described in further detail below with reference to figures 1-4,
The embodiment of the application discloses a low-noise compact eccentric shaft power mechanism. Referring to fig. 1 to 4, a low-noise compact eccentric shaft power mechanism comprises a servo motor 1, wherein the input end of the servo motor 1 is electrically connected with the output end of an external power supply; the output shaft of the servo motor 1 is fixedly connected with the planetary reducer 2, the rotating speed of the servo motor 1 can be reduced, meanwhile, the output torque is increased, the output shaft of the planetary reducer 2 is fixedly connected with the coupler 3, one end part of the coupler 3 is fixedly connected with the eccentric shaft 6, one end part of the eccentric shaft 6 is fixedly connected with the needle bearing 7, and the connected needle bearing 7 can be subjected to cam rotation treatment.
The fixed cover 4 is fixedly sleeved on the outer side of the eccentric shaft 6, the eccentric shaft 6 and the needle roller bearing 7 are both positioned at the inner side position of the fixed cover 4, the eccentric shaft 6 and the needle roller bearing 7 can be protected, the protective cover 5 is fixedly connected to the middle part of one side of the fixed cover 4, the position of the protective cover 5 can be fixed, the protective cover 5 is positioned at the outer side position of the coupler 3, the coupler 3 can be protected, one side of the protective cover 5 is fixedly connected with the outer side of the planetary reducer 2, the fixed cover 4 consists of a protective box and a connecting door, one side of the protective box is fixedly connected with the protective cover 5, the protective box is fixedly connected with the connecting door through bolts, the stability of the protective box and the connecting door is ensured, one end part of the needle roller bearing 7 is fixedly connected with the guide rail 8, one side of the guide rail 8 is fixedly connected with the die connecting assembly 9, the die connecting assembly 9 consists of a connecting seat and a connecting block, the bottom of the connecting seat is movably connected with the inner side of the connecting block, and workers can conveniently connect the die connecting assembly 9 with an external die;
Working principle: in the use of a power mechanism, the servo motor 1 is started, the planetary reducer 2 fixedly connected with the output shaft of the servo motor 1 can be used for driving the planetary reducer 2, the rotating speed of the servo motor 1 is reduced through the planetary reducer 2, meanwhile, the output torque is increased, one end of the planetary reducer 2 is fixedly connected with the coupler 3, under the transmission effect of the coupler 3, the eccentric shaft 6 fixedly connected with one end of the coupler 3 can be rotated, the needle roller bearing 7 fixedly connected with one end of the eccentric shaft 6 can be made to rotate by virtue of the transmission of the eccentric shaft 6, the position of the guide rail 8 fixedly connected with one end of the needle roller bearing 7 can be adjusted in the rotating process of the needle roller bearing 7 by virtue of the transmission effect of the needle roller bearing 7, in the moving process of the guide rail 8, the position of the die connecting assembly 9 can be adjusted through the fixed connection of the guide rail 8 and the die connecting assembly 9, at the moment, the die can be subjected to reciprocating motion treatment through the die, finally, when the power mechanism is not used, the eccentric shaft 6 fixedly connected with the coupler 3 can be rotated through the fixed cover 4 and the protective cover 5, the eccentric shaft 7 and the eccentric shaft 6 positioned on the inner side of the protective cover 4 and the eccentric shaft 6, the needle roller bearing 7 and the coupler 3 can be prevented from being damaged by the needle roller bearing 7 and the coupler 6, and the outer side of the coupler 3 can be prevented from being damaged by the protective shaft 6.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.
Claims (7)
1. A low noise compact eccentric shaft power mechanism, characterized in that: comprises a servo motor (1); the planetary speed reducer is characterized in that an output shaft of the servo motor (1) is fixedly connected with the planetary speed reducer (2), the output shaft of the planetary speed reducer (2) is fixedly connected with the coupler (3), one end part of the coupler (3) is fixedly connected with the eccentric shaft (6), and one end part of the eccentric shaft (6) is fixedly connected with the needle bearing (7).
2. The low noise, compact eccentric shaft power mechanism as in claim 1, wherein: the novel needle roller is characterized in that a fixed cover (4) is fixedly sleeved on the outer side of the eccentric shaft (6), a protective cover (5) is fixedly connected to the middle of one side of the fixed cover (4), a guide rail (8) is fixedly connected to one end of the needle roller bearing (7), and a die connecting assembly (9) is fixedly connected to one side of the guide rail (8).
3. A low noise, compact eccentric shaft power mechanism as in claim 2, wherein: the fixed cover (4) consists of a protection box and a connecting door, and one side of the protection box is fixedly connected with the protection cover (5).
4. A low noise, compact eccentric shaft power mechanism as in claim 3, wherein: the protection cover (5) is positioned at the outer side of the coupler (3), and the protection box is fixedly connected with the connecting door through bolts.
5. A low noise, compact eccentric shaft power mechanism as in claim 2, wherein: the die connecting assembly (9) consists of a connecting seat and a connecting block, and the bottom of the connecting seat is movably connected with the inner side of the connecting block.
6. A low noise, compact eccentric shaft power mechanism as in claim 2, wherein: the eccentric shaft (6) and the needle roller bearing (7) are both positioned at the inner side of the fixed cover (4), and one side of the protective cover (5) is fixedly connected with the outer side of the planetary reducer (2).
7. A low noise, compact eccentric shaft power mechanism as in claim 2, wherein: the input end of the servo motor (1) is electrically connected with the output end of an external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323164995.9U CN221120815U (en) | 2023-11-23 | 2023-11-23 | Low-noise compact eccentric shaft power mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323164995.9U CN221120815U (en) | 2023-11-23 | 2023-11-23 | Low-noise compact eccentric shaft power mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221120815U true CN221120815U (en) | 2024-06-11 |
Family
ID=91341806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323164995.9U Active CN221120815U (en) | 2023-11-23 | 2023-11-23 | Low-noise compact eccentric shaft power mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221120815U (en) |
-
2023
- 2023-11-23 CN CN202323164995.9U patent/CN221120815U/en active Active
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