CN216025945U - Steel roller mechanism - Google Patents
Steel roller mechanism Download PDFInfo
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- CN216025945U CN216025945U CN202121778831.3U CN202121778831U CN216025945U CN 216025945 U CN216025945 U CN 216025945U CN 202121778831 U CN202121778831 U CN 202121778831U CN 216025945 U CN216025945 U CN 216025945U
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- motor
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Abstract
The utility model discloses a steel roller mechanism which comprises a steel roller, a flange sleeved on the periphery of the steel roller, a vertical plate sleeved on the periphery of the flange, and a DD (direct drive) motor, wherein the steel roller can rotate relative to the flange, the DD motor comprises a stator and a rotor arranged in the stator, the rotor can rotate relative to the stator, the rotor is provided with an axial installation cavity, a tension and expansion sleeve is arranged in the installation cavity, one end of the steel roller is arranged in the tension and expansion sleeve, the tension and expansion sleeve can rotate along with the rotor, and the rotation of the tension and expansion sleeve can drive the steel roller to rotate together. The utility model simplifies the structure, and has high transmission precision and stable and reliable transmission.
Description
Technical Field
The utility model relates to the technical field of coating machines, in particular to a steel roller mechanism.
Background
The steel roller mechanism for coating operation of the existing coating machine has the advantages that a servo motor is generally connected with one end of a steel roller through a coupler so as to drive the steel roller to rotate, the transmission precision is not high, and the transmission stability is poor.
Accordingly, there is a need for an improved steel roll mechanism.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a steel roller mechanism which is simplified in structure, high in transmission precision and good in transmission stability.
The technical scheme adopted by the utility model for solving the technical problems is as follows:
the utility model provides a steel roller mechanism, includes the steel roller, the suit arrives the flange of steel roller periphery and the suit arrives the riser of flange periphery, the steel roller can be relative the flange rotates, still includes the DD motor, the DD motor includes the stator and installs the inside rotor of stator, the rotor can be relative the stator rotates, the rotor is equipped with axial installation cavity, install the rise that rises in the installation cavity and rise the cover, the one end of steel roller is installed in rise and rise in the cover, rise and rise the cover and can rotate along with the rotor, rise and rise the rotation of cover and can drive the steel roller rotates together.
Preferably, the steel roller comprises a first part and a second part connected with one end of the first part, which is far away from the second part, is installed in the tensioning expansion sleeve, and the flange is sleeved on the periphery of the first part.
As a preferred technical solution, a first bearing is installed in one end of the flange close to the DD motor, the first bearing is fitted to an outer periphery of the first portion, an inner wall of the flange close to the one end of the DD motor and the outer periphery of the first portion are respectively provided with a first step and a second step, one end of an outer ring of the first bearing, which is far away from the DD motor, abuts against the first step, and one end of an inner ring of the first bearing, which is far away from the DD motor, abuts against the second step; a second bearing is installed in one end, far away from the DD motor, of the flange, the second bearing is sleeved on the periphery of the first portion, a third step and a fourth step are respectively arranged on the inner wall of the end, far away from the DD motor, of the flange and the periphery of the first portion, one end, close to the DD motor, of the outer ring of the second bearing is abutted to the third step, and one end, far away from the DD motor, of the inner ring of the second bearing is abutted to the fourth step.
Preferably, a first round nut is sleeved on the outer periphery of the first portion, and the first round nut abuts against one end, close to the DD motor, of the inner ring of the first bearing.
Preferably, a second round nut is sleeved on the outer periphery of the first portion, and the second round nut abuts against one end, close to the DD motor, of the first round nut.
Preferably, a bearing baffle is mounted in one end of the flange close to the DD motor, and the bearing baffle is annularly disposed on the outer peripheries of the first round nut and the second round nut and abutted against one end of the outer ring of the first bearing close to the DD motor.
As a preferable technical solution, the DD motor further includes a housing, a mounting plate, a mounting seat, and an end cover, the stator is mounted to an inner wall of the housing, the mounting seat and the end cover are respectively mounted to two ends of the housing, the mounting plate is mounted to one end of the mounting seat far away from the housing, one end of the steel roller passes through the end cover and is mounted in the tension sleeve, and one end of the end cover far away from the housing abuts against one end of the flange close to the DD motor.
Preferably, an annular protrusion is formed at an end of the end cap remote from the housing, the protrusion being annularly provided to an outer periphery of the steel roll and fitted into an end of the flange close to the DD motor.
Preferably, the rotor includes a rotor core mounted inside the stator, and the rotor core is provided with the axial mounting cavity.
Preferably, the flange has an annular mounting portion formed on an outer periphery thereof, and the mounting portion is mounted to the vertical plate by a fastener.
The utility model has the beneficial effects that: one end of the steel roller is arranged in the tensioning expansion sleeve of the rotor, so that the steel roller can be directly driven to rotate through the DD motor.
Drawings
The utility model is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a steel roll mechanism according to an embodiment of the present invention;
FIG. 2 is an exploded schematic view of the steel roll mechanism shown in FIG. 1;
FIG. 3 is a schematic cross-sectional view of the steel roll mechanism shown in FIG. 1;
FIG. 4 is an enlarged partial schematic view of FIG. 3 at F;
fig. 5 is a partially enlarged schematic view at H shown in fig. 3.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. All technical characteristics in the utility model can be interactively combined on the premise of not conflicting with each other.
Referring to fig. 1 to 3, a steel roll mechanism according to an embodiment of the present invention includes a steel roll 10, a flange 20 sleeved on an outer periphery of the steel roll 10, a vertical plate 30 sleeved on an outer periphery of the flange 20, and a DD (direct drive) motor 40. The motor 40 is located on one side of the flange 20. The riser 30 and the DD motor 40 are for mounting to a frame of the coater. The steel roll 10 is rotatable relative to the flange 20. The flange 20 is formed at an outer circumference thereof with a ring-shaped mounting portion 22, and the mounting portion 22 is mounted to the vertical plate 30 by a fastening member such as a lock bolt, so that the mounting is stable.
In this embodiment, the end of the end cap 48 distal from the housing 42 abuts the end of the flange 20 proximal to the DD motor 40. An annular convex part 482 is formed at one end of the end cover 48 far away from the shell 42, and the convex part 482 is annularly arranged on the outer periphery of the steel roller 10 and embedded in one end of the flange 20 close to the DD motor 40, so that the structure is compact.
In this embodiment, specifically, the stator 44 includes a ring-shaped stator core 442 mounted to the inner wall of the housing 42 and a stator winding wound around the stator core 442. The rotor 46 includes a rotor core 464 mounted inside the stator core 442, a ring-shaped permanent magnet 466 fitted around the outer periphery of the rotor core 464, a connecting plate 467, and a connecting shaft 468. The rotor core 464 is T-shaped, and the middle part thereof is provided with the axial installation cavity 462. The end of the tension sleeve 49 near the end cover 48 is preferably flush with the end of the rotor core 464 near the end cover 48. An air gap is formed between the permanent magnet 466 and the stator core 442, and one end of the permanent magnet 466 close to the mounting seat 47 protrudes out of one end of the rotor core 464 close to the mounting seat 47. The connecting plate 467 is mounted to an end of the permanent magnet 466 near the mount 47. A connecting shaft 468 is formed to a face of the connecting plate 467 away from the permanent magnet 466. The mounting seat 47 is a tubular structure with an opening at one end, the bottom end of the mounting seat 47 is mounted at one end of the shell 42 far away from the end cover 48, one end of the connecting shaft 468 far away from the connecting plate 467 extends into an inner cavity of the mounting seat 47 from the bottom end of the mounting seat 47, the connecting plate 467 and one end of the permanent magnet 466 close to the mounting seat 47 are connected through screws so as to fix the connecting plate 467 and the permanent magnet 466 together, and one surface of the connecting plate 467 close to the permanent magnet 466 is provided with a step so as to position the permanent magnet 466. An encoder 469 is sleeved on one end of the connecting shaft 468, which is far away from the connecting plate 467, and the encoder 469 is accommodated in the inner cavity of the mounting seat 47. A bearing (not shown in the figure) is arranged in the encoder 469, an inner ring of the bearing and the connecting shaft 468 are locked and fixed through a jackscrew, and an outer ring of the bearing of the encoder 469 and the housing are locked and fixed on the bottom in the mounting seat 47 through a sheet metal bracket 470, so that the rotor 46 can rotate relative to the stator 44. The mounting plate 45 is mounted to an open end of the mounting seat 47.
Preferably, the steel roll 10 includes a first portion 12 and a second portion 14 connected to one end of the first portion 12. The first portion 12 and the second portion 14 are preferably integrally formed. The second section 14 is used to perform a press coating operation on the material. The end of the first part 12 remote from the second part 14 fits into the tension sleeve 49 and the flange 20 is fitted around the outer circumference of the first part 12. The outer diameter of the first portion 12 is smaller than the outer diameter of the second portion 14, which saves space when actually applied to a coater.
Referring to fig. 4, a first bearing 52 is installed in an end of the flange 20 adjacent to the DD motor 40, and the first bearing 52 is fitted to an outer circumference of the first part 12. The inner wall of the flange 20 near the end of the DD motor 40 and the outer periphery of the first portion 12 are provided with a first step 23 and a second step 121, respectively, at positions corresponding to the end of the first bearing 52 remote from the DD motor 40, the end of the outer ring 524 of the first bearing 52 remote from the DD motor 40 abuts against the first step 23, and the end of the inner ring 522 of the first bearing 52 remote from the DD motor 40 abuts against the second step 121. The first step 23 and the second step 121 can limit the end of the first bearing 52 far away from the DD motor 40.
The outer periphery of the first part 12 is fitted with a first round nut 62, the first round nut 62 abutting against one end of the inner ring 522 of the first bearing 52 near the DD motor 40. A second round nut 64 is fitted around the outer periphery of the first part 12, and the second round nut 64 abuts on one end of the first round nut 62 close to the DD motor 40. The end of the inner ring 522 of the first bearing 52 close to the DD motor 40 can be limited by the first and second round nuts 62, 64.
A bearing retainer 72 is mounted in one end of the flange 20 close to the DD motor 40, and the bearing retainer 72 is annularly provided to the outer peripheries of the first round nut 62 and the second round nut 64 and abuts against one end of the outer ring 524 of the first bearing 52 close to the DD motor 40. The end of the first bearing 52 close to the DD motor 40 can be limited by the first round nut 62, the second round nut 64 and the bearing baffle 72.
Referring to fig. 5, a second bearing 54 is mounted in the end of the flange 20 remote from the DD motor 40, the second bearing 54 being fitted around the outer periphery of the first part 12. The inner wall of the end of the flange 20 remote from the DD motor 40 is provided with a third step 25 at a position corresponding to the end of the second bearing 54 remote from the DD motor 40, the outer periphery of the first part 12 is provided with a fourth step 123 at a position corresponding to the end of the second bearing 54 remote from the DD motor 40, the end of the outer ring 544 of the second bearing 54 close to the DD motor 40 abuts against the third step 25, and the end of the inner ring 542 of the second bearing 54 remote from the DD motor 40 abuts against the fourth step 123. The second bearing 54 is limited by the third step 25 and the fourth step 123.
In this embodiment, as shown in fig. 4, the inner wall of the flange 20 near the end of the DD motor 40 is provided with a fifth step 27, and the bearing stopper 72 abuts against the fifth step 27. The fifth step 27 is adjacent the first bearing 52. Bearing shield 72 is located between boss 482 of end cap 48 and fifth step 27. The outer periphery of the first part 12 is provided with a mounting position 124 for sleeving the first round nut 62 and the second round nut 64.
According to the utility model, the first bearing 52 and the second bearing 54 are arranged, so that the steel roller 10 can be rotatably supported, the steel roller 10 can rotate relative to the flange 20 and can rotate stably, and the first bearing 52 and the second bearing 54 are limited, so that the steel roller 10 can rotate more stably.
While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. The steel roller mechanism is characterized by further comprising a DD (direct drive) motor, wherein the DD motor comprises a stator and a rotor arranged inside the stator, the rotor can rotate relative to the stator, an axial installation cavity is formed in the rotor, a tension expansion sleeve is arranged in the installation cavity, one end of the steel roller is arranged in the tension expansion sleeve, the tension expansion sleeve can rotate along with the rotor, and the steel roller can be driven to rotate together by rotation of the tension expansion sleeve.
2. The steel roller mechanism according to claim 1, wherein the steel roller comprises a first portion and a second portion connected to one end of the first portion, wherein the end of the first portion remote from the second portion is mounted in the tension sleeve, and wherein the flange is sleeved on the outer periphery of the first portion.
3. The steel roller mechanism according to claim 2, wherein a first bearing is mounted in an end of the flange close to the DD motor, the first bearing is fitted to an outer periphery of the first portion, an inner wall of the flange close to the end of the DD motor and the outer periphery of the first portion are respectively provided with a first step and a second step, an end of an outer ring of the first bearing away from the DD motor abuts against the first step, and an end of an inner ring of the first bearing away from the DD motor abuts against the second step; a second bearing is installed in one end, far away from the DD motor, of the flange, the second bearing is sleeved on the periphery of the first portion, a third step and a fourth step are respectively arranged on the inner wall of the end, far away from the DD motor, of the flange and the periphery of the first portion, one end, close to the DD motor, of the outer ring of the second bearing is abutted to the third step, and one end, far away from the DD motor, of the inner ring of the second bearing is abutted to the fourth step.
4. The steel roller mechanism according to claim 3, wherein the first portion is sleeved on an outer circumference thereof with a first round nut abutting on an end of the inner ring of the first bearing close to the DD motor.
5. A steel roller mechanism according to claim 4, wherein the first portion is sleeved on its outer circumference with a second round nut abutting against an end of the first round nut near the DD motor.
6. The steel roller mechanism according to claim 5, wherein a bearing baffle is mounted in one end of the flange close to the DD motor, and the bearing baffle is annularly arranged on the outer peripheries of the first round nut and the second round nut and abuts against one end of the outer ring of the first bearing close to the DD motor.
7. The steel roller mechanism according to claim 1, wherein the DD motor further comprises a housing, a mounting plate, a mounting seat and an end cap, the stator is mounted to an inner wall of the housing, the mounting seat and the end cap are respectively mounted to two ends of the housing, the mounting plate is mounted to one end of the mounting seat far away from the housing, one end of the steel roller penetrates through the end cap and is mounted in the tension sleeve, and one end of the end cap far away from the housing abuts against one end of the flange close to the DD motor.
8. The steel roller mechanism according to claim 7, wherein an end of the end cap remote from the housing is formed with an annular protrusion that is provided around the outer circumference of the steel roller and is fitted into an end of the flange near the DD motor.
9. The steel roller mechanism according to claim 7, wherein said rotor comprises a rotor core mounted inside said stator, said rotor core being provided with said axial mounting cavity.
10. The steel roller mechanism according to claim 1, wherein an annular mounting portion is formed on an outer periphery of the flange, and the mounting portion is mounted to the vertical plate by a fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778831.3U CN216025945U (en) | 2021-08-02 | 2021-08-02 | Steel roller mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121778831.3U CN216025945U (en) | 2021-08-02 | 2021-08-02 | Steel roller mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216025945U true CN216025945U (en) | 2022-03-15 |
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ID=80557000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121778831.3U Active CN216025945U (en) | 2021-08-02 | 2021-08-02 | Steel roller mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216025945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962253A (en) * | 2022-04-12 | 2022-08-30 | 宁波鲍斯能源装备股份有限公司 | Rotor and shaft mounting structure, claw pump and dismounting method |
-
2021
- 2021-08-02 CN CN202121778831.3U patent/CN216025945U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114962253A (en) * | 2022-04-12 | 2022-08-30 | 宁波鲍斯能源装备股份有限公司 | Rotor and shaft mounting structure, claw pump and dismounting method |
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