CN214164392U - Printing plate direct-connecting mechanism of printing machine - Google Patents
Printing plate direct-connecting mechanism of printing machine Download PDFInfo
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- CN214164392U CN214164392U CN202021754410.2U CN202021754410U CN214164392U CN 214164392 U CN214164392 U CN 214164392U CN 202021754410 U CN202021754410 U CN 202021754410U CN 214164392 U CN214164392 U CN 214164392U
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- servo motor
- transmission shaft
- printing plate
- printing machine
- connecting mechanism
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Abstract
The utility model discloses a printing plate direct-connecting mechanism of a printing machine, which comprises a frame; the driving mechanism comprises a servo motor and a transmission shaft, the transmission shaft is fixedly connected with an output shaft of the servo motor, and one end of the transmission shaft, which is far away from the servo motor, transmits to the printing plate of the printing machine; the linear reciprocating mechanism, actuating mechanism set firmly in linear reciprocating mechanism's output, with the help of the motion of linear reciprocating mechanism output drives actuating mechanism follows the axial of transmission shaft is set for the position by first and is switched over between the position with the second, adopts servo motor and the mode that the transmission shaft directly links to realize the operation that drives the printing machine printing plate, has replaced traditional gear box transmission, and its simple structure is convenient for maintain.
Description
Technical Field
The utility model belongs to the technical field of printing machine device, specifically speaking relates to a printing machine printing plate directly links mechanism.
Background
The printing plate of current printing machine often is provided with the gear box between driving motor and the printing plate, and the motor passes through the gear box and gives the printing plate with power transmission, and aim at carries out the speed reduction with driving motor and increases the turn round. Although the gearbox has the problem of structural transmission, the gearbox also has the defects of high failure rate and high maintenance rate due to more moving parts in the gearbox, and the gearbox needs to be disassembled during maintenance, so that the gearbox is not beneficial to maintenance; in addition, the existing driving motor is an alternating current motor, which results in low rotation speed control precision of the existing driving motor, and in the printing plate printing process of a printing machine, the good position matching of a printing plate and a printing stock is often realized by adjusting the rotation speed of the printing plate, but obviously, the existing technology cannot realize high-precision rotation speed adjustment, which results in low overprint precision of the existing printing plate.
Disclosure of Invention
The utility model aims at providing a printing machine printing plate directly links mechanism, its technical problem who aims at existence in solving the contrast file.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
a printing plate direct-connecting mechanism of a printing machine comprises
A frame;
the driving mechanism comprises a servo motor and a transmission shaft, the transmission shaft is fixedly connected with an output shaft of the servo motor, and one end of the transmission shaft, which is far away from the servo motor, transmits to the printing plate of the printing machine;
the driving mechanism is fixedly arranged at the output end of the linear reciprocating mechanism, and is driven to switch between a first set position and a second set position along the axial direction of the transmission shaft by means of the motion of the output end of the linear reciprocating mechanism.
On the basis of the above scheme and as a preferable scheme of the scheme: the linear reciprocating mechanism comprises a linear reciprocating unit, a sliding frame is fixedly arranged at the output end of the linear reciprocating unit, and the sliding frame is assembled on the rack in a sliding mode.
On the basis of the above scheme and as a preferable scheme of the scheme: a slide rail is arranged between the sliding frame and the frame.
On the basis of the above scheme and as a preferable scheme of the scheme: still include first supporting component, first supporting component is right the transmission shaft is close to servo motor's one end supports.
On the basis of the above scheme and as a preferable scheme of the scheme: the first support assembly comprises a support piece which is fixedly arranged on the sliding frame; the support piece orientation servo motor's one end is equipped with first bearing, deviates from servo motor's one end is equipped with the second bearing, the second bearing is thrust bearing.
On the basis of the above scheme and as a preferable scheme of the scheme: the transmission shaft is arranged on the servo motor, and the transmission shaft is arranged on the servo motor.
On the basis of the above scheme and as a preferable scheme of the scheme: the guide assembly comprises a fixing sleeve, the fixing sleeve is fixedly arranged on the rack, and one end, far away from the servo motor, of the transmission shaft penetrates through the fixing sleeve.
On the basis of the above scheme and as a preferable scheme of the scheme: the fixed cover is internally provided with a bearing, and the bearing sleeve is arranged on the transmission shaft and is in clearance fit with the transmission shaft.
On the basis of the above scheme and as a preferable scheme of the scheme: the speed measurement device is characterized by further comprising a speed measurement component, and the speed measurement component monitors the rotating speed of the servo motor.
On the basis of the above scheme and as a preferable scheme of the scheme: the speed measuring assembly comprises an encoder and a transmission assembly, the input end of the transmission assembly is connected with the output shaft of the servo motor, and the output end of the transmission assembly is fixedly connected with the input end of the encoder.
Compared with the prior art, the utility model outstanding and profitable technological effect is:
1. the mode that adopts servo motor and transmission shaft to directly link realizes driving the operation of printing plate of printing machine, has replaced traditional gear box transmission, and its simple structure is convenient for maintain.
2. The servo motor is directly connected for transmission, the meshing clearance between all the teeth of the gear box is reduced, the rotating speed adjusting precision of the printing plate of the printing machine is higher, and the overprinting precision is greatly improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the drive mechanism;
fig. 3 is a schematic structural view of the first support assembly.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
A printing plate direct-connecting mechanism of a printing machine comprises
A frame 1 including a fixed bracket 11 and a carriage 12;
the driving mechanism 2 comprises a servo motor 21 and a transmission shaft 23, the transmission shaft 23 is fixedly connected with an output shaft 211 of the servo motor, and one end of the transmission shaft 23, which is far away from the servo motor 21, transmits to a printing plate of the printing machine;
the driving mechanism 2 is fixedly arranged at the output end of the linear reciprocating mechanism, and the driving mechanism 2 is driven to switch between a first set position and a second set position along the axial direction of the transmission shaft 23 by means of the motion of the output end of the linear reciprocating mechanism 3. When the driving mechanism is located at the first set position, the driving mechanism 2 is separated from the printing plate of the printing machine and does not transmit power to the printing plate of the printing machine; when the driving mechanism is located at the second set position, the driving mechanism 2 is combined with the printing plate of the printing machine and transmits the driving force to the printing plate of the printing machine, so that the printing plate of the printing machine is driven to rotate. Specifically, the linear reciprocating mechanism 3 in the present embodiment includes a linear reciprocating unit 31, a carriage 12 is fixedly disposed at an output end of the linear reciprocating unit 3, and the carriage 12 is slidably mounted on the fixed bracket 11; in the present embodiment, the linear reciprocating unit 31 is an air cylinder, a cylinder body of the air cylinder is fixedly connected to the carriage 12, and a piston rod 311 of the air cylinder is hinged to the fixed bracket 11. Preferably, a slide rail 32 is disposed between the carriage 12 and the fixed bracket 11, the slide rail 32 includes a slide block 321 and a guide rail 322, the guide rail 322 is fixedly mounted on the fixed bracket 11, the slide block 321 is fixedly connected with the carriage 12, and the slide block 321 slides along the guide rail 322.
The support device further comprises a first support assembly 25, one end 232 of the transmission shaft 23 close to the servo motor 21 is connected with an output shaft 211 of the servo motor through a coupler 22, and the first support assembly 25 supports the peripheral surface of one end 232 of the transmission shaft 23 close to the servo motor 21; specifically, the first supporting assembly 25 includes a supporting member 251, and the supporting member 251 is fixedly disposed on the carriage 12; one end of the supporting piece 251 facing the servo motor 21 is provided with a second bearing accommodating cavity 2512, a first bearing 253 is arranged in the second bearing accommodating cavity 2512, one end of the supporting piece 251 facing away from the servo motor 21 is provided with a first bearing accommodating cavity 2511, a second bearing 252 is arranged in the first bearing accommodating cavity 2511, preferably, the second bearing 252 is a thrust bearing, the end face of the second bearing 252 is in end face contact with the step shaft 233 of the transmission shaft, and the second bearing 252 bears the radial force received by the transmission shaft. In addition, in the present embodiment, the end 232 of the transmission shaft 23 close to the servo motor 21 is axially limited by a locking nut 254.
Further, the present embodiment further includes a guide assembly 24, and an end 231 of the transmission shaft 23 away from the servo motor 21 penetrates through the guide assembly 24. Specifically, in the present embodiment, the guiding assembly 24 includes a fixing sleeve 241, the fixing sleeve 241 is fixedly disposed on the frame 1, and one end 231 of the transmission shaft away from the servo motor penetrates through the fixing sleeve 241. Preferably, a bearing 242 is disposed in the fixing sleeve 241, the bearing 242 is sleeved on the transmission shaft 23, and the bearing 242 is in clearance fit with the transmission shaft 23. The transmission shaft 23 slides along the guide assembly 24 under the driving of the linear reciprocating mechanism.
In order to realize closed-loop control of the rotating speed of the servo motor 21 and further improve the rotating speed control precision of the servo motor, the embodiment further comprises a speed measuring component 4, wherein the speed measuring component 4 monitors the rotating speed of the servo motor 21 and transmits a detected electric signal to a controller of the servo motor. Specifically, speed measuring component 4 includes encoder 41 and drive assembly, and drive assembly's input is connected with servo motor's output shaft 211, and drive assembly's output and encoder 41's input fixed connection. The preferred transmission assembly of this embodiment includes a first synchronous pulley 42, a second synchronous pulley 44 and a synchronous belt 43, the first synchronous pulley 42 is fixedly disposed on the input shaft of the encoder 41, the second synchronous pulley 44 is fixedly disposed on the output shaft 211 of the servo motor, and the synchronous belt 43 is sleeved on the first synchronous pulley 42 and the second synchronous pulley 44, so as to realize the detection and feedback of the rotation speed of the servo motor through the encoder 41.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a printing machine printing plate directly links mechanism which characterized in that: comprises that
A frame;
the driving mechanism comprises a servo motor and a transmission shaft, the transmission shaft is fixedly connected with an output shaft of the servo motor, and one end of the transmission shaft, which is far away from the servo motor, transmits to the printing plate of the printing machine;
the driving mechanism is fixedly arranged at the output end of the linear reciprocating mechanism, and is driven to switch between a first set position and a second set position along the axial direction of the transmission shaft by means of the motion of the output end of the linear reciprocating mechanism.
2. The printing plate direct-connecting mechanism of the printing machine as claimed in claim 1, wherein: the linear reciprocating mechanism comprises a linear reciprocating unit, a sliding frame is fixedly arranged at the output end of the linear reciprocating unit, and the sliding frame is assembled on the rack in a sliding mode.
3. The printing plate direct-connecting mechanism of the printing machine as claimed in claim 2, wherein: a slide rail is arranged between the sliding frame and the frame.
4. The printing plate direct-connecting mechanism of the printing machine as claimed in claim 2, wherein: still include first supporting component, first supporting component is right the transmission shaft is close to servo motor's one end supports.
5. The printing plate direct-connecting mechanism of the printing machine as claimed in claim 4, wherein: the first support assembly comprises a support piece which is fixedly arranged on the sliding frame; the support piece orientation servo motor's one end is equipped with first bearing, deviates from servo motor's one end is equipped with the second bearing, the second bearing is thrust bearing.
6. The printing plate direct-connecting mechanism of the printing machine as claimed in claim 1, wherein: the transmission shaft is arranged on the servo motor, and the transmission shaft is arranged on the servo motor.
7. The printing plate direct-connecting mechanism of the printing machine as claimed in claim 6, wherein: the guide assembly comprises a fixing sleeve, the fixing sleeve is fixedly arranged on the rack, and one end, far away from the servo motor, of the transmission shaft penetrates through the fixing sleeve.
8. The printing plate direct-connecting mechanism of the printing machine as claimed in claim 7, wherein: the fixed cover is internally provided with a bearing, and the bearing sleeve is arranged on the transmission shaft and is in clearance fit with the transmission shaft.
9. The printing plate direct-connecting mechanism of the printing machine as claimed in claim 1, wherein: the speed measurement device is characterized by further comprising a speed measurement component, and the speed measurement component monitors the rotating speed of the servo motor.
10. The printing plate direct-connecting mechanism of the printing machine as claimed in claim 9, wherein: the speed measuring assembly comprises an encoder and a transmission assembly, the input end of the transmission assembly is connected with the output shaft of the servo motor, and the output end of the transmission assembly is fixedly connected with the input end of the encoder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021754410.2U CN214164392U (en) | 2020-08-20 | 2020-08-20 | Printing plate direct-connecting mechanism of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021754410.2U CN214164392U (en) | 2020-08-20 | 2020-08-20 | Printing plate direct-connecting mechanism of printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214164392U true CN214164392U (en) | 2021-09-10 |
Family
ID=77590962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021754410.2U Active CN214164392U (en) | 2020-08-20 | 2020-08-20 | Printing plate direct-connecting mechanism of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214164392U (en) |
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2020
- 2020-08-20 CN CN202021754410.2U patent/CN214164392U/en active Active
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