CN214522634U - Direct-drive type roller structure - Google Patents
Direct-drive type roller structure Download PDFInfo
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- CN214522634U CN214522634U CN202120376573.XU CN202120376573U CN214522634U CN 214522634 U CN214522634 U CN 214522634U CN 202120376573 U CN202120376573 U CN 202120376573U CN 214522634 U CN214522634 U CN 214522634U
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Abstract
The invention relates to the technical field of printing machines, and discloses a direct-drive type plate roller structure which comprises a pair of wall plates and a plate roller shaft arranged between the wall plates, wherein a first driving mechanism drives a plate roller shaft to rotate so as to drive a plate roller on the plate roller shaft to rotate so as to realize printing operation, the second end of the plate roller shaft is connected with an adjusting mechanism, the adjusting mechanism can realize automatic adjustment of the axial position of the plate roller shaft so as to compensate errors generated by axial overprinting of the printing machine and improve printing quality, specifically, a second driving mechanism drives a screw rod to rotate, the screw rod is in threaded fit connection with a shaft hole of a shifting fork shaft so as to drive the shifting fork shaft to axially move, the shifting fork shaft further drives a shifting fork to axially move, as the shifting fork is in fit connection with a bearing on the plate roller shaft, the plate roller shaft can realize adjustment of the axial position under the driving of the shifting fork, so that the axial position of the plate roller shaft can be directly adjusted by the second driving mechanism, the error of artifical adjusting screw is reduced, its simple structure, and the regulation precision is higher, can effectively guarantee printing quality.
Description
Technical Field
The invention relates to the technical field of printing machines, in particular to a direct-drive type plate roller structure.
Background
With the rapid development of the printing and packaging industry, printing machines are widely used in printing factories. The printing machine generally comprises mechanisms such as paper conveying, positioning, printing, paper collection and the like, and the working principle is as follows: the characters and images to be printed are made into printing plates, the printing plates are arranged on a plate roller of a printing machine, ink is coated on the areas of the printing plates with the characters and the images by an ink supply system, and then the printing plates are directly or indirectly transferred to paper or other printing stocks (such as textiles, metal plates, plastic, leather, wood glass, ceramics and the like), so that the printed matters identical to the printing plates are copied.
In the process of axial overprinting of a printing machine, when a paper product is printed in each color group, the position of a plate roller is inaccurate due to various reasons, particularly due to the machining precision of a wallboard, so that the axial overprinting of the printing machine generates errors, and the printing quality is further influenced.
Disclosure of Invention
The invention aims to provide a direct-drive type plate roller structure, which aims to solve the problem that the axial error of a plate roller in the prior art cannot be accurately adjusted, so that the quality of a printed matter is influenced.
In order to solve the problems, the invention provides a direct-drive type plate roller structure which comprises a pair of wall plates and a plate roller shaft arranged between the wall plates, wherein a plate roller is sleeved on the plate roller shaft, a first driving mechanism used for driving the plate roller shaft to rotate is connected to the first end of the plate roller shaft, and an adjusting mechanism used for adjusting the axial position of the plate roller shaft is connected to the second end of the plate roller shaft;
the second end of version roller is equipped with the bearing, adjustment mechanism is including adjusting seat, second actuating mechanism, shift fork and locating shift fork axle in the shift fork, it locates to adjust the seat the wallboard is inboard, the shift fork is located the outside of wallboard, be equipped with on the shift fork with the groove of dialling that the bearing cooperation is connected, shift fork axle with version roller parallel arrangement, just shift fork axle passes the wallboard extends to in adjusting the seat, shift fork axle is equipped with the shaft hole of in-band screw thread, second actuating mechanism's output is equipped with the screw rod, the screw rod axial extends to adjust in the seat with the shaft hole closes soon and connects.
Furthermore, a key groove is formed in the adjusting seat, and a connecting key capable of sliding in the key groove is fixedly arranged on the outer wall of the shifting fork shaft.
Further, the second driving mechanism comprises a power source and a worm and worm gear reducer connected to the output end of the power source, the worm and worm gear reducer is fixedly connected with the adjusting seat, and the screw rod is arranged at the output end of the worm and worm gear reducer.
Further, the outside of wallboard is equipped with the removal seat, remove the seat with the first end of version roller is rotated and is connected, a drive mechanism's output extends to in removing the seat with version roller hub connection.
Furthermore, the movable seat comprises a plate body part and a sleeve part, the sleeve part is rotatably connected with the first end of the plate roller shaft, the plate body part is arranged in a triangular shape, a sliding bearing is arranged at the triangular part of the plate body part, and a guide post matched with the sliding bearing is correspondingly arranged on the wall plate.
Further, the first driving mechanism comprises a servo motor and a planetary reducer connected to an output end of the servo motor, a shell of the planetary reducer is fixedly connected with an outer end of the sleeve portion, an output end of the planetary reducer is connected with the second end of the plate roller shaft through a coupler, and the coupler is located in the sleeve portion.
Furthermore, a pair of wallboard is equipped with the support bearing frame respectively, the both ends of version roller are worn to locate in the support bearing frame.
The invention provides a direct-drive type plate roller structure, which comprises a pair of wall plates and a plate roller shaft arranged between the wall plates, wherein a first driving mechanism drives a plate roller shaft to rotate so as to drive a plate roller on the plate roller shaft to rotate so as to realize printing operation, the second end of the plate roller shaft is connected with an adjusting mechanism, the adjusting mechanism can realize automatic adjustment of the axial position of the plate roller shaft so as to compensate errors generated by axial overprinting of a printing machine and improve printing quality, specifically, a second driving mechanism drives a screw rod to rotate, the screw rod is in threaded fit connection with a shaft hole of a shifting fork shaft so as to drive the shifting fork shaft to axially move, the shifting fork shaft further drives a shifting fork to axially move, and the shifting fork is in fit connection with a bearing on the plate roller shaft so as to realize adjustment of the axial position of the plate roller shaft by the second driving mechanism and reduce errors of manual adjustment screws, the adjusting speed and the adjusting precision are improved, the structure is simple, the adjusting precision is high, and the printing quality can be effectively guaranteed.
Drawings
Fig. 1 is a schematic structural view of a direct-drive plate roll structure in an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of another view angle of the direct-drive plate roller structure in the embodiment of the invention.
Fig. 3 is a schematic cross-sectional structure diagram of the direct-drive plate roll structure in the embodiment of the present invention.
Fig. 4 is a schematic structural view of an adjustment mechanism in the embodiment of the present invention.
Fig. 5 is a partially enlarged view of a portion a in fig. 1.
Fig. 6 is a partially enlarged view of fig. 3 at B.
In the figure, 1, wall panel; 2. a plate roller shaft; 3. a printing roller; 4. a first drive mechanism; 5. an adjustment mechanism; 6. a movable seat; 101. a guide post; 102. supporting the bearing seat; 103. a pull rod; 201. a bearing; 401. a servo motor; 402. a planetary reducer; 403. a coupling; 501. an adjusting seat; 502. a shifting fork; 503. a fork shaft; 504. a groove is poked; 505. a shaft hole; 506. a screw; 507. a keyway; 508. a connecting bond; 509. a power source; 510. a worm and worm gear reducer; 601. a plate body portion; 602. a sleeve portion; 603. a sliding bearing.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 6, schematically showing a direct-drive printing roller structure according to an embodiment of the present invention, including a pair of wall plates 1 and a printing roller shaft 2 disposed between the wall plates 1, generally, the wall plates 1 are respectively provided with a supporting bearing seat 102, two ends of the printing roller shaft 2 are inserted into the supporting bearing seats 102, and the supporting bearing seats 102 are used to slidably support two ends of the printing roller shaft 2, so as to ensure the connection stability between the wall plates 1, a plurality of pull rods 103 are disposed between the wall plates 1, the wall plates 1 are connected by the pull rods 103, the printing roller shaft 2 is sleeved with the printing roller 3, a first end of the printing roller shaft 2 is connected with a first driving mechanism 4 for driving the printing roller shaft 2 to rotate, and a second end of the printing roller shaft 2 is connected with an adjusting mechanism 5 for adjusting the axial position of the printing roller shaft 2; the second end of the plate roller shaft 2 is provided with a bearing 201, the adjusting mechanism 5 comprises an adjusting seat 501, a second driving mechanism, a shifting fork 502 and a shifting fork shaft 503 arranged in the shifting fork 502, the adjusting seat 501 is arranged on the inner side of the wall plate 1, the adjusting seat 501 is fixed on the inner side of the wall plate 1 and is used for supporting the whole adjusting mechanism 5, the shifting fork 502 is arranged on the outer side of the wall plate 1, a shifting groove 504 matched and connected with the bearing 201 is arranged on the shifting fork 502, in the embodiment, the inner ring of the bearing 201 is connected and fixed with the plate roller shaft 2, the outer ring of the bearing 201 is connected with the shifting groove 504, the shifting fork shaft 503 is parallel to the plate roller shaft 2, the shifting fork shaft 503 penetrates through the wall plate 1 and extends into the adjusting seat 501, the shifting fork shaft 503 is provided with a shaft hole 505 with internal threads, the output end of the second driving mechanism is provided with a screw 506, and the screw 506 axially extends into the adjusting seat 501 and is connected with the shaft hole 505 in a screwing manner.
Based on the structure of the direct-drive plate roller 3 of the embodiment, the first driving mechanism 4 drives the plate roller shaft 2 to rotate so as to drive the plate roller 3 on the plate roller shaft 2 to rotate so as to realize printing operation, the second end of the plate roller shaft 2 is connected with the adjusting mechanism 5, and the adjusting mechanism 5 can realize automatic adjustment of the axial position of the plate roller shaft 2 so as to make up for errors generated by axial overprinting of a printing machine and improve printing quality, specifically, the second driving mechanism drives the screw 506 to rotate, the screw 506 is in threaded fit connection with the shaft hole 505 of the shifting fork shaft 503 so as to drive the shifting fork shaft 503 to axially move, the shifting fork shaft 503 further drives the shifting fork 502 to axially move, due to the fact that the shifting fork 502 is in fit connection with the outer ring of the bearing 201 on the plate roller shaft 2, under the driving of the shifting fork 502, the plate roller shaft 2 can realize adjustment of the axial position, and thus, the second driving mechanism can directly adjust the axial position of the plate roller shaft 2 so as to reduce errors of manual adjustment screws, the adjusting speed and the adjusting precision are improved, the structure is simple, the adjusting precision is high, and the printing quality can be effectively guaranteed.
Furthermore, a key groove 507 is formed in the adjusting seat 501, and a connecting key 508 capable of sliding in the key groove 507 is fixedly arranged on the outer wall of the shifting fork shaft 503, so that when the screw 506 rotates to drive the shifting fork shaft 503 to move along the axial direction, the connecting key 508 on the shifting fork shaft 503 slides along the key groove 507, the sliding of the connecting key 508 is guided by the key groove 507, the shifting fork shaft 503 is prevented from rotating together with the screw 506, and the rotary motion of the screw 506 is converted into the axial movement of the shifting fork shaft 503.
Preferably, the second driving mechanism includes a power source 509 and a worm and worm gear reducer 510 connected to an output end of the power source 509, the worm and worm gear reducer 510 is fixedly connected to the adjusting seat 501, and the screw 506 is disposed at an output end of the worm and worm gear reducer 510, wherein the power source 509 is generally a servo motor, the servo motor is disposed on the worm and worm gear reducer 510, power output by the power source 509 is reduced by the worm and worm gear reducer 510 and then transmitted to the screw 506 to drive the screw 506 to rotate, and thus, the rotation speed and the number of rotations of the screw 506 can be accurately controlled, so that the axial positions of the plate roller shaft 2 and the plate roller 3 can be accurately controlled, and the servo motor can be conveniently controlled by an electric control system on the printing machine, which is beneficial to improving automation level.
In this embodiment, the movable seat 6 is disposed outside the wall plate 1, the movable seat 6 is rotatably connected to the first end of the plate roller shaft 2, and the output end of the first driving mechanism 4 extends into the movable seat 6 and is connected to the plate roller shaft 2, so that when the plate roller shaft 2 is adjusted in its axial position by the adjusting mechanism 5, the first driving mechanism 4 and the plate roller shaft 2 can still be kept in power connection under the action of the movable seat 6, and a stable driving connection between the first driving mechanism 4 and the plate roller shaft 2 is ensured.
Specifically, the movable seat 6 comprises a plate body portion 601 and a sleeve portion 602, the sleeve portion 602 is rotatably connected with the first end of the plate roller shaft 2, the plate body portion 601 is arranged in a triangular shape, sliding bearings 603 are arranged at the triangular positions of the plate body portion 601, guide pillars 101 matched with the sliding bearings 603 are correspondingly arranged on the wall plate 1, and thus the three guide pillars 101 are also arranged in a triangular shape, which is beneficial to ensuring the supporting strength and stability of the guide pillars 101 on the movable seat 6, and when the adjustment mechanism 5 drives the plate roller shaft 2 to move along the axial direction, the first end of the plate roller shaft 2 drives the plate body portion 601 of the movable seat 6 to enable the sliding bearings 603 to slide along the guide pillars 101 so as to match the axial movement distance of the plate roller shaft 2; further, the first driving mechanism 4 includes a servo motor 401 and a planetary reducer 402 connected to an output end of the servo motor 401, a housing of the planetary reducer 402 is fixedly connected to an outer end of a sleeve portion 602, an output end of the planetary reducer 402 is connected to a second end of the plate roller shaft 2 through a coupling 403 to drive the plate roller shaft 2 to rotate, the coupling 403 is located in the sleeve portion 602, a power connection between the output end of the planetary reducer 402 and the plate roller shaft 2 is ensured through the connection of the coupling 403, the movable base 6 is slidably supported through the guide post 101 and the sliding bearing 603, smoothness during movement of the plate roller shaft 2 is ensured, the planetary reducer 402 and the servo motor 401 are integrated with the plate roller shaft 2 through the movable base 6, and when the plate roller shaft 2 axially moves, a reliable power connection is always ensured between the servo motor 401 and the plate roller shaft 2.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, which are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. A direct-drive type roller structure is characterized by comprising a pair of wallboards and a roller shaft arranged between the wallboards, wherein a roller is sleeved on the roller shaft, a first end of the roller shaft is connected with a first driving mechanism for driving the roller shaft to rotate, and a second end of the roller shaft is connected with an adjusting mechanism for adjusting the axial position of the roller shaft;
the second end of version roller is equipped with the bearing, adjustment mechanism is including adjusting seat, second actuating mechanism, shift fork and locating shift fork axle in the shift fork, it locates to adjust the seat the wallboard is inboard, the shift fork is located the outside of wallboard, be equipped with on the shift fork with the groove of dialling that the bearing cooperation is connected, shift fork axle with version roller parallel arrangement, just shift fork axle passes the wallboard extends to in adjusting the seat, shift fork axle is equipped with the shaft hole of in-band screw thread, second actuating mechanism's output is equipped with the screw rod, the screw rod axial extends to adjust in the seat with the shaft hole closes soon and connects.
2. The direct-drive printing roller structure according to claim 1, wherein a key groove is formed in the adjusting seat, and a connecting key capable of sliding in the key groove is fixedly arranged on the outer wall of the shifting fork shaft.
3. The direct-drive plate roller structure according to claim 2, wherein the second driving mechanism comprises a power source and a worm and worm gear reducer connected to an output end of the power source, the worm and worm gear reducer is fixedly connected with the adjusting seat, and the screw is arranged at an output end of the worm and worm gear reducer.
4. The direct drive version roller structure of claim 3, wherein a movable seat is provided on an outer side of the wall plate, the movable seat is rotatably connected to the first end of the version roller shaft, and the output end of the first driving mechanism extends into the movable seat and is connected to the version roller shaft.
5. The direct-drive plate roller structure according to claim 4, wherein the moving seat comprises a plate body portion and a sleeve portion, the sleeve portion is rotatably connected with the first end of the plate roller shaft, the plate body portion is arranged in a triangular shape, sliding bearings are arranged at the triangular positions of the plate body portion, and guide pillars matched with the sliding bearings are correspondingly arranged on the wall plate.
6. The direct drive version roller structure of claim 5, wherein the first driving mechanism comprises a servo motor and a planetary reducer connected to an output end of the servo motor, a housing of the planetary reducer is fixedly connected to an outer end of the sleeve portion, an output end of the planetary reducer is connected to the second end of the version roller shaft through a coupling, and the coupling is located in the sleeve portion.
7. The direct drive version roller structure of claim 6, wherein a pair of the wall panels are each provided with a support bearing seat, and both ends of the version roller shaft are inserted into the support bearing seats.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120376573.XU CN214522634U (en) | 2021-02-19 | 2021-02-19 | Direct-drive type roller structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120376573.XU CN214522634U (en) | 2021-02-19 | 2021-02-19 | Direct-drive type roller structure |
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| Publication Number | Publication Date |
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| CN214522634U true CN214522634U (en) | 2021-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120376573.XU Active CN214522634U (en) | 2021-02-19 | 2021-02-19 | Direct-drive type roller structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706505A (en) * | 2021-02-19 | 2021-04-27 | 温州海多堡机械科技有限公司 | Direct-drive type roller structure |
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2021
- 2021-02-19 CN CN202120376573.XU patent/CN214522634U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706505A (en) * | 2021-02-19 | 2021-04-27 | 温州海多堡机械科技有限公司 | Direct-drive type roller structure |
| CN112706505B (en) * | 2021-02-19 | 2024-05-03 | 温州海多堡机械科技有限公司 | Direct-drive type plate roller structure |
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