CN117167454A - High-precision phase adjustment structure - Google Patents
High-precision phase adjustment structure Download PDFInfo
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- CN117167454A CN117167454A CN202311022667.7A CN202311022667A CN117167454A CN 117167454 A CN117167454 A CN 117167454A CN 202311022667 A CN202311022667 A CN 202311022667A CN 117167454 A CN117167454 A CN 117167454A
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- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 abstract description 16
- 230000000712 assembly Effects 0.000 description 3
- 238000000429 assembly Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The invention relates to the technical field of transmission devices and discloses a high-precision phase adjustment structure, which comprises an outer gear ring and a hub, wherein the outer gear ring is coaxially matched and sleeved on the outer side of the hub, the outer gear ring and the hub are axially positioned in a mode of arranging a spigot at the sleeved position, the phase adjustment structure also comprises an adjusting assembly, the adjusting assembly comprises an adjusting block, a fixed block, an adjusting bolt and a locking nut, the adjusting block extends out of an adjusting arm, two sides of the adjusting arm are respectively abutted against the adjusting bolt, the adjusting bolt is in threaded connection and penetrates through the fixed block, and the locking nut is in threaded fit on the adjusting bolt so as to realize the relative fixation of the adjusting bolt and the fixed block; the fixed block is connected to the hub, and the adjusting block is connected to the outer gear ring; or the fixed block is connected with the outer gear ring, and the adjusting block is connected with the hub. The invention can finely adjust the phase between the outer gear ring and the hub through the adjusting bolt, has higher adjustment precision, is convenient and quick to adjust, and ensures high precision and high stability of transmission.
Description
Technical Field
The invention relates to the technical field of transmission devices, in particular to a high-precision phase adjustment structure.
Background
The color register printing is a complex high-precision printing technology, and requires consistent printing positions and extremely high precision. This requires a high accuracy of the transmission gears in the printer, but during operation, the gears inevitably wear or loosen, which results in deviations in the phase of some gears and thus in the quality of the overprinting. At present, the problem of phase deviation of the transmission gear is generally to adopt methods of replacing parts, readjusting assembly and the like. These methods, however, certainly greatly increase maintenance costs, maintenance time, and the like.
Disclosure of Invention
The invention provides a high-precision phase adjustment structure for overcoming the defects in the prior art. The invention achieves the above object by the following technical scheme.
The high-precision phase adjustment structure comprises an outer gear ring and a hub, wherein the outer gear ring is coaxially matched and sleeved on the outer side of the hub, the outer gear ring and the hub are axially positioned in a mode of arranging a spigot at a sleeved position, the phase adjustment structure further comprises an adjusting assembly, the adjusting assembly comprises an adjusting block, a fixed block, an adjusting bolt and a locking nut, the adjusting block extends out of an adjusting arm, two sides of the adjusting arm are respectively abutted to the adjusting bolt, the adjusting bolt is in threaded connection and penetrates through the fixed block, and the locking nut is in threaded fit on the adjusting bolt so as to realize the relative fixation of the adjusting bolt and the fixed block; the fixed block is connected to the hub, and the adjusting block is connected to the outer gear ring; or the fixed block is connected with the outer gear ring, and the adjusting block is connected with the hub.
The phase place between outer ring gear and the wheel hub is finely tuned through the adjusting bolt of screwing the adjusting arm both sides to this scheme, and this kind of adjustment structure is although there is certain restriction in the adjustment scope, but the adjustment precision is higher, adjusts convenient and fast moreover, does not even need to dismantle outer ring gear and wheel hub from printing machine or transmission case. After the phase between the outer gear ring and the hub is adjusted, the adjusting bolt and the fixed block can be relatively fixed by using the locking nut, so that the phase between the outer gear ring and the hub cannot be changed. The outer gear ring and the hub in the scheme can be in transition fit, and the adjusting bolt clamps and positions the adjusting arm, so that certain torque transmission capacity can be ensured. The fixed blocks of this scheme can be two and lie in the both sides of the regulating arm respectively, and the fixed block also can be a flute profile fixed block, and the regulating arm then stretches into the groove of fixed block.
As a further improved structural form, the fixed block is groove-shaped and forms two opposite groove walls, the two groove walls are respectively connected with adjusting bolts in a threaded manner, the adjusting arms extend into the grooves of the fixed block, and the adjusting bolts on the two groove walls respectively prop against two sides of the adjusting arms. The structure is simpler, and the assembly is more convenient and quicker.
As a further improved structural form, the adjusting bolt is a fine tooth bolt. The locking nut is a corresponding fine tooth nut. The fine adjustment effect can be further improved by adopting the fine tooth bolt, and the phase adjustment precision is improved.
As a further development, the above-mentioned adjusting assemblies are at least two, which are arranged uniformly around the axis of the outer gear ring. The structural form enables the stress of the outer gear ring, the hub, the adjusting component and the like to be more balanced, improves the overall structural strength, improves the torque transmission capacity, and more importantly ensures the phase stability between the outer gear ring and the hub after adjustment.
As a specific structural form, the hub comprises a ring of flange extending outwards and forming a spigot, one side of the outer gear ring is propped against the flange of the hub, the hub is uniformly arranged around the axle center of the hub and is in threaded connection with a compression bolt, the compression bolt is sleeved with a compression washer and a spring washer, and the compression washer is used for pressing the other side of the outer gear ring; or the outer gear ring comprises a ring of flange which extends outwards and forms a spigot, one side of the hub is propped against the flange of the outer gear ring, the outer gear ring is uniformly arranged around the axis of the outer gear ring and is in threaded connection with a compression bolt, a compression washer and a spring washer are sleeved on the compression bolt, and the compression washer is used for pressing the other side of the hub. According to the structure, the spring washer and the compression washer are extruded through the compression bolt, and then the outer gear ring or the hub is clamped by the compression washer and the flange, so that firm connection between the outer gear ring and the hub can be ensured, and the torque transmission capacity is improved. In addition, the external gear ring and the hub can be sleeved by adopting clearance fit due to the fact that the external gear ring and the hub are connected in a clamping mode, and therefore assembly is facilitated.
As another specific structural form, the hub comprises a circle of flange which extends outwards and forms a spigot, threaded holes are uniformly arranged on the flange of the hub around the axle center of the hub, one side of an outer gear ring is propped against the flange of the hub, a circumferential waist hole is arranged on the outer gear ring corresponding to the position of the threaded hole of the hub, a compression bolt is arranged in the circumferential waist hole in a penetrating manner, and the compression bolt is locked into the threaded hole of the hub; or the outer gear ring comprises a ring of flange which extends outwards and forms a spigot, threaded holes are uniformly arranged on the flange of the outer gear ring around the axis of the outer gear ring, one side of the hub is propped against the flange of the outer gear ring, a circumferential waist hole is arranged on the hub corresponding to the threaded hole of the outer gear ring, a compression bolt is arranged in the circumferential waist hole in a penetrating mode, and the compression bolt is locked into the threaded hole of the outer gear ring. Wherein the circumferential waist hole runs around the axis of the outer gear ring or the hub. The outer gear ring or the hub is directly clamped by the compression bolt and the flange, so that the outer gear ring and the hub can be firmly connected, and the torque transmission capability is improved. Because of the circumferential waist holes, a sufficient rotation angle can be provided for the phase adjustment.
Compared with the prior art, the invention has the following main beneficial effects: the phase between the outer gear ring and the hub can be finely adjusted through the adjusting bolts, the adjusting precision is high, the adjusting is convenient and quick, and the high precision and the high stability of transmission are ensured. The fine tooth bolt is used as an adjusting bolt, so that the fine adjustment effect can be improved, and the phase adjustment precision can be improved. The multiple sets of adjusting components are arranged, so that the stress of parts such as the outer gear ring and the hub is more balanced, the overall structural strength is improved, the torque transmission capacity is improved, and more importantly, the phase stability between the adjusted outer gear ring and the hub is ensured. The external gear ring and the hub are connected in a clamping or pressing mode, firm in connection and stronger in torque transmission capacity, and the external gear ring and the hub can be sleeved by adopting clearance fit so as to be convenient to assemble.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a partial enlarged view at M in fig. 1.
Fig. 3 is a schematic perspective view of a hub according to an embodiment of the present invention.
Description of the embodiments
The invention is further described below with reference to the accompanying drawings. The drawings are for illustrative purposes only and are not to be construed as limiting the present patent. For the sake of brevity of description of the present embodiment, some parts of the drawings or description that are well known to those skilled in the art but not relevant to the main content of the present invention will be omitted. In addition, some parts in the drawings may be omitted, enlarged or reduced for convenience of description, but not represent the size or the whole structure of the actual product.
In the embodiment, as shown in fig. 1, 2 and 3, a high-precision phase adjustment structure comprises an outer gear ring 1 and a hub 2, wherein the outer gear ring 1 is coaxially matched and sleeved on the outer side of the hub 2. The outer gear ring 1 and the hub 2 in the embodiment are sleeved by adopting clearance fit, so that the assembly is convenient. The outer gear ring 1 and the hub 2 are axially positioned by arranging a spigot at a sleeving part, and the specific structure is that a circle of flange 21 which extends outwards from the hub 2 forms the spigot, and one side of the outer gear ring 1 is propped against the flange 21. The hub 2 is uniformly arranged around the axle center of the hub 2 and is in threaded connection with a compression bolt 3, the compression bolt 3 is sleeved with a compression washer 4 and a spring washer 5, and the compression washer 4 is used for pressing the other side of the outer gear ring 1. In the embodiment, the spring washer 5 and the compression washer 4 are pressed by the compression bolt 3, and the outer gear ring 1 is clamped by the compression washer 4 and the flange 21, so that the firm connection between the outer gear ring 1 and the hub 2 can be ensured, and the torque transmission capability is improved.
The phase adjustment structure of this embodiment further includes two sets of adjustment assemblies, which are uniformly arranged around the axis of the external ring gear 1. Each set of adjusting assembly comprises an adjusting block 6, a fixed block 7, two adjusting bolts 8 and two locking nuts 9. The fixed block 7 is groove-shaped and forms two opposite groove walls 71, two adjusting bolts 8 are respectively threaded and pass through the two groove walls 71, a locking nut 9 is matched with each adjusting bolt 8 in a threaded manner to realize the relative fixation of the adjusting bolts 8 and the fixed block 7, the fixed block 7 is fixedly connected to the hub 2 in a positioning manner through an inner hexagon bolt and a positioning pin, and the axes of the two adjusting bolts 8 are perpendicular to the axis of the hub 2. The adjusting block 6 is fixedly connected to the outer gear 1 through an inner hexagon bolt and a locating pin, the adjusting block 6 extends out of the adjusting arm 61, the trend of the adjusting arm 61 is along the radial direction of the outer gear 1, the adjusting arm 61 extends into a groove of the fixed block 7, and the adjusting bolts 8 on the two groove walls 71 respectively abut against two sides of the adjusting arm 61.
In this embodiment, when the phase adjustment is required, the two adjusting bolts 8 located at the front of the adjusting direction in the two sets of adjusting assemblies are loosened, meanwhile, the two adjusting bolts 8 are far away from the adjusting arm 61, then the other two adjusting bolts 8 are screwed to drive the adjusting arm 61 to rotate, so that the external gear ring 1 is driven to rotate for adjustment, after the external gear ring 1 is adjusted in place, the two loosened adjusting bolts 8 are screwed to enable the two adjusting bolts to be abutted against the adjusting arm 61 again, and then the adjusting bolts 8 and the fixing block 7 are relatively fixed by using the locking nut 9. The embodiment can calculate the screwing angle required by the adjusting bolt 8 according to the required adjustment amount, the radius of the distribution circle where the adjusting bolt 8 is located, the pitch of the adjusting bolt 8 and the like, and quantitatively adjust.
In the embodiment, the phase between the external gear ring 1 and the hub 2 is finely adjusted by screwing the adjusting bolts 8 on two sides of the adjusting arm 61, so that the adjustment precision is high, the adjustment is convenient and quick, and even the external gear ring 1 and the hub 2 do not need to be detached from the printing machine or the transmission case. After the phase between the outer gear ring 1 and the hub 2 is adjusted, the adjusting bolt 8 and the fixed block 7 can be relatively fixed by the locking nut 9, so that the phase between the outer gear ring 1 and the hub 2 cannot be changed. The phase of the external gear ring 1 relative to the hub 2 can be adjusted clockwise or counterclockwise in the embodiment. The adjusting bolt 8 in this embodiment is a fine tooth bolt, and the lock nut 9 is a corresponding fine tooth nut. The fine adjustment effect can be further improved by adopting the fine tooth bolt, and the phase adjustment precision is improved. The two sets of adjusting components are uniformly arranged, so that the stress of the outer gear 1, the stress of the hub 2, the stress of the adjusting components and the like are more balanced, the overall structural strength is improved, the torque transmission capacity is improved, and more importantly, the phase stability between the outer gear 1 and the hub 2 after adjustment is ensured.
The foregoing is only one embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept of the present invention fall within the scope of the present invention.
Claims (6)
1. The high-precision phase adjustment structure comprises an outer gear ring and a hub, wherein the outer gear ring and the hub are coaxially matched and sleeved on the outer side of the hub, and the high-precision phase adjustment structure is characterized in that the outer gear ring and the hub are axially positioned in a mode of arranging a spigot at a sleeved position; the fixed block is connected to the hub, and the adjusting block is connected to the outer gear ring; or the fixed block is connected with the outer gear ring, and the adjusting block is connected with the hub.
2. The high-precision phase adjustment structure according to claim 1, wherein the fixed block is groove-shaped and forms two opposite groove walls, the two groove walls are respectively connected with adjusting bolts in a threaded manner, the adjusting arms extend into the grooves of the fixed block, and the adjusting bolts on the two groove walls respectively abut against two sides of the adjusting arms.
3. The high-precision phase adjustment structure according to claim 1, wherein the adjusting bolt is a fine tooth bolt.
4. The high precision phase adjustment structure according to claim 1, wherein the adjusting members are at least two sets, and the adjusting members are uniformly arranged around the axis of the outer ring gear.
5. The high-precision phase adjustment structure according to claim 1, wherein the hub comprises a ring of flanges extending outwards and forming a spigot, one side of the outer gear ring is propped against the flange of the hub, the hub is uniformly arranged around the axle center of the hub and is in threaded connection with a compression bolt, the compression bolt is sleeved with a compression washer and a spring washer, and the compression washer is used for pressing the other side of the outer gear ring; or the outer gear ring comprises a ring of flange which extends outwards and forms a spigot, one side of the hub is propped against the flange of the outer gear ring, the outer gear ring is uniformly arranged around the axis of the outer gear ring and is in threaded connection with a compression bolt, a compression washer and a spring washer are sleeved on the compression bolt, and the compression washer is used for pressing the other side of the hub.
6. The high-precision phase adjustment structure according to claim 1, wherein the hub comprises a ring of flanges extending outwards and forming a spigot, threaded holes are uniformly arranged on the flanges of the hub around the axle center of the hub, one side of the outer gear ring is abutted against the flanges of the hub, a circumferential waist hole is arranged on the outer gear ring at a position corresponding to the threaded holes of the hub, a compression bolt is arranged in the circumferential waist hole in a penetrating manner, and the compression bolt is locked into the threaded holes of the hub; or the outer gear ring comprises a ring of flange which extends outwards and forms a spigot, threaded holes are uniformly arranged on the flange of the outer gear ring around the axis of the outer gear ring, one side of the hub is propped against the flange of the outer gear ring, a circumferential waist hole is arranged on the hub corresponding to the threaded hole of the outer gear ring, a compression bolt is arranged in the circumferential waist hole in a penetrating mode, and the compression bolt is locked into the threaded hole of the outer gear ring.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202311022667.7A CN117167454A (en) | 2023-08-15 | 2023-08-15 | High-precision phase adjustment structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202311022667.7A CN117167454A (en) | 2023-08-15 | 2023-08-15 | High-precision phase adjustment structure |
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CN117167454A true CN117167454A (en) | 2023-12-05 |
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CN202311022667.7A Pending CN117167454A (en) | 2023-08-15 | 2023-08-15 | High-precision phase adjustment structure |
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- 2023-08-15 CN CN202311022667.7A patent/CN117167454A/en active Pending
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