阅读说明：本技术 一种印刷机两工位杯模的旋转驱动装置 (Rotary driving device of two-station cup mold of printing machine ) 是由 王福振 肖治国 于 2021-01-18 设计创作，主要内容包括：本发明涉及一种印刷机两工位杯模的旋转驱动装置,应用在曲面印刷设备技术领域,解决了杯体内壁易产生擦痕,影响杯体的美观性,产品废品率较高的问题,包括机架,设置在机架一侧面的分度器输出轴、安装在分度器输出轴上的杯模组件、套设在分度器输出轴的外壳上的驱动套、带动杯模作间歇运动的两个驱动组件以及连接两个驱动组件的双面驱动皮带,驱动组件包括支撑轴、转向轮、驱动轮和摩擦盘,转向轮通过支撑臂安装在支撑轴的一侧,支撑轴的另一侧设置有用于安装驱动轮的轴承座,摩擦盘设置在轴承座的一侧面并与驱动轮同步转动,摩擦盘与杯模摩擦接触；具有杯体内壁不易产生擦痕,提高杯体的美观性和成品率较高的效果。(The invention relates to a rotary driving device of a two-station cup mold of a printing machine, which is applied to the technical field of curved surface printing equipment and solves the problems that scratches are easily generated on the inner wall of a cup body, the attractiveness of the cup body is affected and the product rejection rate is higher; the cup has the advantages that scratches are not easily generated on the inner wall of the cup body, the attractiveness of the cup body is improved, and the yield is high.)

1. A rotary driving device of a two-station cup mold of a printing machine comprises a rack and an indexer output shaft vertically arranged on one side surface of the rack, wherein a cup mold assembly is arranged on the indexer output shaft, the cup mold assembly comprises a cup mold mounting ring, a plurality of cup mold shafts and cup molds, the cup mold shafts are radially fixed on the cup mold mounting ring, the cup molds are rotatably connected to the cup mold shafts, and the cup mold mounting ring is fixed at the output end of the indexer output shaft;

the driving sleeve is arranged on the shell of the output shaft of the indexer and rotates relative to the output shaft of the indexer;

the method is characterized in that: the cup mold driving device comprises a support shaft, a steering wheel, a driving wheel and a friction disc, wherein the two driving components drive the cup mold to do intermittent motion, the driving components comprise a support shaft, a steering wheel, a driving wheel and a friction disc, one end of the support shaft is arranged on a rack, the steering wheel is arranged on one side of the support shaft through a support arm, a bearing seat used for mounting the driving wheel is arranged on one side, opposite to the support arm, of the support shaft, the driving wheel is arranged on one side face of the bearing seat, the axis of the steering wheel and the axis of the driving wheel are in the same straight line, the friction disc is arranged on the other side face of the bearing seat and synchronously rotates with the;

connect two drive assembly's two-sided drive belt, two are established simultaneously to two-sided drive belt establishes on directive wheel and the drive wheel among the drive assembly, the surface of two-sided drive belt and the surface friction contact of driving sleeve.

2. The rotary driving device for the two-position cup mold of the printing machine as claimed in claim 1, wherein a fixing shaft is fixedly arranged on the end surface of the driving wheel close to the bearing seat and penetrates through the bearing seat, a fixing groove is arranged on the end surface of the fixing shaft far away from the rotating wheel and extends to the inside of the driving wheel along the axial direction of the fixing shaft, and an adjusting component for adjusting the axial movement of the friction disk along the fixing shaft is arranged in the fixing groove.

3. The rotary driving device of a two-station cup mold of a printing machine according to claim 2, wherein the adjusting assembly comprises a spring and a driving half shaft, the driving half shaft is slidably connected in the fixing groove, one end of the driving half shaft, which is positioned outside the fixing groove, is fixedly connected with the friction disc, the spring is horizontally arranged in the fixing groove, one end of the spring abuts against the end face of the driving half shaft, which is positioned in the fixing groove, the other end of the spring abuts against the inner end face of the fixing groove, a limiting hole for limiting the moving distance of the driving half shaft is formed in the driving half shaft, and a fixing pin for fixing the driving half shaft in the fixing groove is arranged in the limiting hole.

4. The rotary driving device of a two-station cup mold of a printing machine as claimed in claim 2 or 3, wherein an oil filling hole is formed in the end face of the driving wheel away from the bearing seat, and the oil filling hole is communicated with the fixing groove.

5. The rotary driving device of the two-station cup mold of the printing machine as claimed in claim 4, wherein the supporting arm and the connecting end of the bearing seat and the supporting shaft are provided with an opening hoop, a first connecting block and a second connecting block are respectively arranged on two sides of an opening of the opening hoop, and the first connecting block and the second connecting block are connected through a fastening bolt.

6. The rotary driving device of a two-station cup mold of a printing machine as claimed in claim 5, wherein a connecting plate is arranged at one end of the supporting shaft, a kidney-shaped hole is formed in the connecting plate, a first bolt is arranged in the kidney-shaped hole, and the connecting plate is connected with the frame through the first bolt.

Technical Field

The invention is applied to the technical field of curved surface printing equipment, and particularly relates to a rotary driving device of a two-station cup mold of a printing machine.

Background

In order to improve the aesthetic property of the outer surfaces of cups, bowls, hoses and bottle caps made of daily-used plastic or metal paper, a curved surface printing machine is generally adopted for printing patterns, a stepping graduator in the curved surface printing machine comprises a cup mold mounting ring provided with a plurality of cup mold shafts and a driving device for driving the cup mold mounting ring to rotate, the cup mold mounting ring is a seven-station radial cup mold mounting ring, the seven-station radial cup mold mounting ring is that the cup mold shafts are arranged on the periphery of the cup mold mounting ring, and the axis of the cup mold shafts is perpendicular to the axis of the cup mold mounting ring. Seven stations include in proper order wherein: a feeding (10: 30) station, a detecting (10: 30) station, a corona (12: 00) station, a printing (3: 00) station, a curing (6: 00) station, a defective product detecting (7: 30) station and a finished product sending-out (9: 00) station.

The cup mould rotation actuating system in the current equipment is flawed, and current cup mould rotation actuating system is a plurality of cup moulds simultaneous drive rotation on with whole cup mould mounting disc, and under this kind of drive mode, can produce the scratch to cup types such as dull polish goblet and highly transparent cup advancing the cup and going out the cup station, for example: at the cup feeding station, spiral scratches are generated at the moment when a non-rotating cup is contacted with a cup mold rotating at a high speed; at the moment of separating the cup from the cup mold at the cup outlet station, the cup mold keeps rotating at a high speed, the rotating speed of the cup is reduced, the speed difference is generated between the cup and the cup mold, scratches can be generated at the moment, the generated scratches influence the attractiveness of the cup, and the rejection rate of products is high.

Disclosure of Invention

The invention aims to provide a rotary driving device of a two-station cup die of a printing machine, which solves the problems that the inner wall of a cup body is easy to generate scratches, the attractiveness of the cup body is affected, and the product rejection rate is high.

In order to achieve the purpose, the invention adopts the technical scheme that:

the invention provides a rotary driving device of a two-station cup mold of a printing machine, which comprises a rack and an indexer output shaft vertically arranged on one side surface of the rack, wherein a cup mold assembly is arranged on the indexer output shaft, the cup mold assembly comprises a cup mold mounting ring, a plurality of cup mold shafts and cup molds, the cup mold shafts are radially fixed on the cup mold mounting ring, the cup molds are rotatably connected to each cup mold shaft, and the cup mold mounting ring is fixed at the output end of the indexer output shaft;

the driving sleeve is arranged on the shell of the output shaft of the indexer and rotates relative to the output shaft of the indexer;

the cup mold driving device comprises a support shaft, a steering wheel, a driving wheel and a friction disc, wherein the two driving components drive the cup mold to do intermittent motion, the driving components comprise a support shaft, a steering wheel, a driving wheel and a friction disc, one end of the support shaft is arranged on a rack, the steering wheel is arranged on one side of the support shaft through a support arm, a bearing seat used for mounting the driving wheel is arranged on one side, opposite to the support arm, of the support shaft, the driving wheel is arranged on one side face of the bearing seat, the axis of the steering wheel and the axis of the driving wheel are in the same straight line, the friction disc is arranged on the other side face of the bearing seat and synchronously rotates with the;

connect two drive assembly's two-sided drive belt, two are established simultaneously to two-sided drive belt establishes on directive wheel and the drive wheel among the drive assembly, the surface of two-sided drive belt and the surface friction contact of driving sleeve.

Furthermore, a fixing shaft is fixedly arranged on the end face, close to the bearing seat, of the driving wheel and penetrates through the bearing seat, a fixing groove is formed in the end face, far away from the rotating wheel, of the fixing shaft, the fixing groove extends to the inside of the driving wheel along the axial direction of the fixing shaft, and an adjusting assembly for adjusting the friction disc to move axially along the fixing shaft is arranged in the fixing groove.

Further, the adjusting part includes spring and drive semi-axis, drive semi-axis sliding connection is in fixed recess, drive semi-axis is in the outside one end and the friction disk fixed connection of fixed recess, the spring level sets up in fixed recess, the one end of spring is contradicted on the terminal surface that drive semi-axis is in fixed recess, the other end of spring is contradicted on the inside terminal surface of fixed recess, be provided with the spacing hole of injecing drive semi-axis displacement distance on the drive semi-axis, spacing downthehole being provided with is used for fixing the fixed pin in fixed recess with the drive semi-axis.

Furthermore, an oil filling hole is formed in the end face, far away from the bearing seat, of the driving wheel and communicated with the fixing groove.

Furthermore, the supporting arm, the bearing seat and the supporting shaft connecting end are provided with opening hooping rings, the two sides of the opening of each opening hooping ring are provided with a first connecting block and a second connecting block respectively, and the first connecting blocks and the second connecting blocks are connected through fastening bolts.

Furthermore, one end of the supporting shaft is provided with a connecting plate, a waist-shaped hole is formed in the connecting plate, a first bolt is arranged in the waist-shaped hole, and the connecting plate is connected with the rack through the first bolt.

Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:

the invention relates to a rotary driving device of a two-station cup mold of a printing machine, wherein driving components are arranged at a twelve o 'clock position and a six o' clock position of a cup mold mounting ring, the driving sleeve is used as a power source to drive the steering wheel and the driving wheel to rotate through the double-sided driving belt, so as to drive the friction disc connected with the driving wheel to rotate, the friction disc arranged at the twelve o 'clock (corona station) position or the friction disc arranged at the six o' clock (curing station) position is in friction contact with the lower end of the cup mold, the cup mold is driven to rotate under the action of friction force, and the cup body sleeved on the cup mold and the cup mold synchronously rotate at the moment, the inner wall of the cup body is not easy to scratch when rotating, and because the driving components are not arranged at other station positions, therefore, the inner wall of the cup body is not easy to generate scratches during feeding and discharging, the attractiveness of the cup body is improved, and the yield of the cup body is improved.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter, by way of illustration and not limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

FIG. 1 is a schematic view of the overall structure in an embodiment of the present invention;

FIG. 2 is an enlarged view at A in FIG. 1;

FIG. 3 is a schematic view of the connection between the double-sided drive belt and two drive assemblies according to an embodiment of the present invention;

FIG. 4 is a schematic view of a connection structure of a driving wheel and a driving half shaft in the embodiment of the invention;

FIG. 5 is a sectional view of a connection structure of a driving wheel and a driving half shaft in the embodiment of the invention.

Wherein the reference numerals are as follows:

1. a frame; 2. an indexer output shaft; 3. a cup mold assembly; 31. a cup mold mounting ring; 32. a cup mold shaft; 33. a cup mold; 4. a drive sleeve; 5. a drive assembly; 51. a support shaft; 52. a steering wheel; 53. a drive wheel; 54. a friction disk; 6. a support arm; 7. a bearing seat; 8. a double-sided drive belt; 9. a fixed shaft; 10. fixing the groove; 11. an adjustment assembly; 111. a spring; 112. a drive half shaft; 113. a limiting hole; 12. an oil filler hole; 13. an opening embracing ring; 14. a first connection block; 15. a second connecting block; 16. a connecting plate; 17. a kidney-shaped hole; 18. a first bolt.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 1 and 3, for the invention, a rotary driving device for a two-station cup mold of a printing machine comprises a frame 1, an indexer output shaft 2 vertically arranged on one side of the frame 1, a cup mold assembly 3 arranged on the indexer output shaft 2, the cup mold assembly 3 comprising a cup mold mounting ring 31, a plurality of cup mold shafts 32 radially fixed on the cup mold mounting ring 31, and a cup mold 33 rotatably connected to each cup mold shaft 32, the cup mold shafts 32 are cylindrical structures, one end of each cup mold shaft is fixed on the cup mold mounting ring 31 and fastened through a nut, and the cup mold mounting ring 31 is fixed on the output end of the indexer output shaft 2;

the driving sleeve 4 is arranged on the shell of the indexer output shaft 2, and the driving sleeve 4 and the indexer output shaft 2 rotate relatively;

two driving assemblies 5 for driving the cup mold 33 to make intermittent motion, wherein one driving assembly 5 is positioned at twelve o 'clock (corona station) position of the cup mold mounting ring 31, the other driving assembly 5 is positioned at six o' clock (curing station) position of the cup mold mounting ring 31, the driving assembly 5 comprises a supporting shaft 51, a steering wheel 52, a driving wheel 53 and a friction disc 54, one end of the supporting shaft 51 is arranged on the frame 1, the steering wheel 52 is arranged at one side of the supporting shaft 51 through a supporting arm 6, a bearing seat 7 for mounting the driving wheel 53 is arranged at one side of the supporting shaft 51 opposite to the supporting arm 6, the driving wheel 53 is arranged at one side of the bearing seat 7, the friction disc 54 is arranged at the other side of the bearing seat 7 and rotates synchronously with the driving wheel 53, and the friction disc 54 is in friction contact with the cup mold 33; the bearing seat 7 is arranged at one end part of the support shaft 51 far away from the machine frame 1, the support arm 6 is arranged at one side of the bearing seat 7 close to the machine frame 1, and the axis of a steering wheel 52 arranged on the support arm 6 and the axis of a driving wheel 53 arranged on the bearing seat 7 are in the same straight line;

the double-sided driving belt 8 is connected with the two driving assemblies 5, the double-sided driving belt 8 is sleeved on the steering wheel 52 and the driving wheel 53 in the two driving assemblies 5 at the same time, and the outer surface of the double-sided driving belt 8 is in friction contact with the outer surface of the driving sleeve 4.

The working principle is as follows: the indexer output shaft 2 drives the cup mold assembly 3 to rotate under the action of the driving device, when the indexer output shaft 2 rotates, the driving sleeve 4 sleeved on the indexer output shaft 2 moves relative to the indexer output shaft 2, because the double-sided driving belt 8 is sleeved on the steering wheel 52 and the driving wheel 53 in the two driving assemblies 5 at the same time, the outer surface of the double-sided driving belt 8 is in friction contact with the outer surface of the driving sleeve 4, when the driving sleeve 4 rotates, the steering wheel 52 and the driving wheel 53 in the two driving assemblies 5 are driven to rotate through the double-sided driving belt 8, and then the friction disc 54 connected with the driving wheel 53 is driven to rotate, wherein the steering wheel 52 plays a role in guiding and limiting for the double-sided driving belt 8, and the double-sided driving belt 8 is prevented from shifting during transmission; furthermore, because one of the driving assemblies 5 is located at twelve o 'clock (corona station) position of the cup mold mounting ring 31, and the other driving assembly 5 is located at six o' clock (curing station) position of the cup mold mounting ring 31, when the cup mold 33 sleeved with the cup body moves to the twelve o 'clock (corona station) position or the six o' clock (curing station) position under the action of the indexer output shaft 2, the friction disc 54 arranged at the twelve o 'clock (corona station) position or the friction disc 54 arranged at the six o' clock (curing station) position is in friction contact with the lower end of the cup mold 33, the cup mold 33 is driven to rotate under the action of friction force, the cup body sleeved on the cup mold 33 and the cup mold 33 synchronously rotate at the moment, and the inner wall of the cup body is not easy to be scratched when rotating; because the driving components 5 are not arranged at other positions, when the cup mold 33 moving to a half tenth of the position (feeding station) is sleeved with the cup body, the cup mold 33 moving to the half tenth of the position (feeding station) does not rotate, when the cup body is sleeved, scratches are not easily generated on the inner wall of the cup body, similarly, the cup mold 33 moving to a nine-point (finished product delivery station) position does not rotate, when the cup body is separated from the cup mold 33, scratches are not easily generated on the inner wall of the cup body, the attractiveness of the cup body is improved, the yield of the cup body is improved, and the cup mold 33 can intermittently move through the two driving components 5.

Further, referring to fig. 4 and 5, a fixed shaft 9 is fixedly disposed on an end surface of the driving wheel 53 close to the bearing seat 7, the fixed shaft 9 penetrates through the bearing seat 7, a fixed groove 10 is disposed on an end surface of the fixed shaft 9 far away from the rotating wheel 53, the fixed groove 10 extends into the driving wheel 53 along an axial direction of the fixed shaft 9, an adjusting assembly 11 for adjusting the axial movement of the friction disc 54 along the fixed shaft 9 is disposed in the fixed groove 10, the adjusting assembly 11 includes a spring 111 and a driving half shaft 112, the driving half shaft 112 is slidably connected in the fixed groove 10, the spring 111 is horizontally disposed in the fixed groove 10, one end of the spring 111 abuts against an end surface of the driving half shaft 112 in the fixed groove 10, the other end of the spring 111 abuts against an inner end surface of the fixed groove 10, a limiting hole 113 for limiting a moving distance of the driving half shaft 112 is disposed on the driving half shaft 112, a fixing, because the positions of a plurality of cup mold shafts 32 arranged on the cup mold mounting ring 31 are deviated, the driving half shaft 112 is driven to move along the length direction of the fixed groove 10 under the action of the spring force, so that the friction end surface of the friction disc 54 connected with the driving half shaft 112 is always attached to the lower part of the cup mold 33.

Further, referring to fig. 4 and 5, an oil filling hole 12 is provided on an end surface of the driving wheel 53 away from the bearing seat 7, the oil filling hole 12 is communicated with the fixing groove 10, lubricating oil is filled into the fixing groove 10 through the oil filling hole 12, and when the driving half shaft 112 moves axially along the fixing groove 10, friction between the driving half shaft 112 and the fixing groove 10 is reduced through the lubricating oil, so that abrasion between the driving half shaft 112 and the fixing groove 10 is reduced, and the service life is prolonged.

Further, referring to fig. 1 and 2, the connecting ends of the support arm 6 and the bearing seat 7 with the support shaft 51 are provided with an opening embracing ring 13, two sides of the opening embracing ring 13 are respectively provided with a first connecting block 14 and a second connecting block 15, the first connecting block 14 and the second connecting block 15 are connected through a fastening bolt, the support arm 6 and the bearing seat 7 are conveniently connected to the support shaft 51 through the opening embracing ring 13, and when the double-sided driving belt 8 works for a long time, the tensioning performance is reduced, the tension of the double-sided driving belt 8 can be adjusted by adjusting the positions of the steering wheel 52 and the driving wheel 53, so that the steering wheel 52 and the driving wheel 53 are always attached to the inner surface of the double-sided driving belt 8, the phenomenon that the double-sided driving belt 8 slips during working is prevented, and the positions of the tensioning wheel 52 and.

Further, referring to fig. 1, one end of the supporting shaft 51 is provided with a connecting plate 16, a waist-shaped hole 17 is formed in the connecting plate 16, a first bolt 18 is arranged in the waist-shaped hole 17, the connecting plate 16 is connected with the rack 1 through the first bolt 18, the connecting plate 16 is conveniently installed on the rack 1 through the first bolt 18, the waist-shaped hole 17 is adopted in a bolt hole in the connecting plate 16, the position of the driving assembly 5 connected to the connecting plate 16 is conveniently adjusted, and therefore the outer surface of the double-sided driving belt 8 connected with the two driving assemblies 5 is better attached to the outer surface of the driving sleeve 4.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.