CN111391482A

CN111391482A - Printing machine with curve is from version function

Info

Publication number: CN111391482A
Application number: CN202010319304.XA
Authority: CN
Inventors: 张健
Original assignee: Kunshan Duiyin Machinery Co ltd
Current assignee: Kunshan Duiyin Machinery Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-07-10

Abstract

The invention discloses a printing machine with a curve off-plate function, wherein a workbench, a product positioning mechanism, a printing mechanism and a screen lifting mechanism are arranged on a rack, the printing mechanism is positioned above the workbench, the screen lifting mechanism is arranged between the workbench and comprises a screen mounting frame, a first lifting module and a second lifting module, the first lifting module and the second lifting module are fixed at two sides of the rack, the telescopic ends of the first lifting module and the second lifting module are symmetrically arranged at two sides of the screen mounting frame and can lift the screen mounting frames at the sides of the first lifting module and the second lifting module respectively or simultaneously, and the screen mounting frames are positioned above the workbench; the cross arm is driven by the motion module to drive the rubber scraping plate and the rubber returning plate to complete printing actions, so that high-precision printing can be guaranteed, and the precision and the stability of a machine are guaranteed.

Description

Printing machine with curve is from version function

Technical Field

The invention relates to the technical field of printing machines, in particular to a printing machine with a curve plate separating function.

Background

A printing machine is a machine for printing characters and images, and modern printing machines generally comprise mechanisms such as plate loading, inking, stamping, paper conveying (including folding) and the like. In the printing process, characters and images to be printed are made into a printing plate (screen printing plate), the printing plate is arranged on a printing machine, ink is coated on the position, where the characters and the images are arranged, of the printing plate by a manual work or the printing machine, and then the printing plate is directly or indirectly transferred onto paper or other printing stocks (such as textiles, metal plates, plastics, leather, wood plates, glass and ceramics), so that printed matters identical to the printing plate are reproduced.

After the glue scraping and returning of the existing printing machine are finished, the screen printing plate can be directly and integrally lifted so as to facilitate blanking, but for some printing products with special printing requirements, for example, when the viscosity of printing paste is small or large, the screen printing plate directly and integrally leaves from the printing products, the phenomena that the printing ink has wire drawing on the printing products or the printing products are stuck and the like can occur, the surface attractiveness of the printing products can be influenced, and the quality of the printing products is reduced.

Disclosure of Invention

The invention aims to provide a printing machine with a curve plate separating function.A screen plate mounting frame is driven by a first lifting module and a second lifting module to move up and down, so that curve transformation can be realized in the plate separating height printing process; the cross arm is driven by the motion module to drive the rubber scraping plate and the rubber returning plate to complete printing actions, so that high-precision printing can be guaranteed, and the precision and the stability of a machine are guaranteed.

In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a printing machine with curve is from version function, includes the frame, be equipped with workstation, product positioning mechanism, printing mechanism and half tone elevating system in the frame, printing mechanism is located the top of workstation, is equipped with half tone elevating system between the two, half tone elevating system includes half tone mounting bracket, first lifting module and second lifting module are fixed in the frame both sides, the setting in the both sides of half tone mounting bracket of the flexible end symmetry of the two to can go up and down the half tone mounting bracket of the place side separately simultaneously or respectively, half tone mounting bracket is located the top of workstation.

As a further optimization, the first lifting module comprises a first motor, a first driving wheel, a first driving belt, a first synchronizing wheel, a first screw rod and a first ejector rod, the first motor is arranged on the rack, the output end of the first motor is provided with the first driving wheel, the first synchronizing wheel is arranged on two sides of the first motor vertically, the first synchronizing wheel is arranged at the lower end of the first screw rod and is connected with the first driving wheel through the first driving belt, the first ejector rod is arranged on the first lifting block on the first screw rod, and the upper end of the first ejector rod is hinged to the lower end of the screen mounting frame.

As a further optimization, the second lifting module is located on the opposite side of the first lifting module and comprises a second motor, a second driving wheel, a second driving belt, a second synchronizing wheel, a second lead screw and a second ejector rod, the second driving wheel is arranged at the output end of the second motor, the pair of second lead screws are vertically arranged on two sides of the second motor, the second synchronizing wheel is arranged at the lower end of the second lead screw and connected with the second driving wheel through the second driving belt, the second ejector rod is arranged on a second lifting block on the second lead screw, and the upper end of the second ejector rod is hinged to the lower end of the screen mounting frame.

As a further optimization, a first vertical slide rail and a second vertical slide rail are arranged on the rack, and the first lifting block and the second lifting block are respectively arranged on the first vertical slide rail and the second vertical slide rail in a sliding manner.

As a further optimization, the printing mechanism comprises a movement module and a printing assembly, the printing assembly is arranged on the movement module and comprises a pressing cylinder, a mounting plate, a cross arm, a first cylinder, a second cylinder, a rubber scraping plate and a rubber returning plate, the pressing cylinder is symmetrically arranged on the movement module, the telescopic ends of the pressing cylinder are respectively provided with the mounting plate, two ends of the cross arm are fixed on the mounting plates, the first cylinder and the second cylinder are arranged on two sides of the cross arm, and the lower ends of the pressing cylinder and the rubber returning plate are respectively provided with the rubber scraping plate and the rubber returning plate.

As a further optimization, the motion module comprises a driving motor, a third driving wheel, a transmission shaft, a third synchronizing wheel, a third transmission belt and a first clamping block, the driving motor is arranged on the rack, the output end of the driving motor is provided with the third driving wheel, the third driving wheel is in transmission connection with the transmission shaft which is rotatably arranged on the rack, the third synchronizing wheel is arranged at each of two ends of the transmission shaft, the third synchronizing wheel drives a pair of third transmission belts which are arranged in parallel to rotate, the third transmission belt is provided with the first clamping block, and the pressing cylinder is arranged on the first clamping block.

As a further optimization, a first horizontal sliding rail is arranged on the rack, and the first clamping block is arranged on the first horizontal sliding rail in a sliding manner.

As a further optimization, a mounting table board is arranged below the workbench in the frame, a pair of limiting assemblies is vertically arranged on the mounting table board, each limiting assembly comprises a limiting motor, a fourth driving wheel, a fourth synchronizing wheel, a fourth driving belt, a cross rod and a second horizontal sliding rail, the limiting motors are arranged on the mounting table board, the output ends of the limiting motors are provided with the fourth driving wheels, the fourth synchronizing wheels are arranged on the opposite sides of the fourth driving wheels and are connected with each other through the fourth driving belts in a driving mode, the pair of cross rods are symmetrically fixed on the fourth driving belts, a pair of limiting blocks are arranged on the cross rods, and through holes matched with the limiting blocks are formed in the workbench.

As a further optimization, the upper end of the limiting block is fixed with a limiting reinforcing plate.

As further optimization, still including moving the material mechanism, it is located the top of workstation to move the material mechanism, and it includes sharp module, slide bar and suction head subassembly, and is a pair of sharp module is fixed in the frame both sides, the both ends of slide bar set up on a pair of sharp module, and its lower extreme is equipped with a plurality of suction head subassemblies.

Compared with the prior art, the invention has the following beneficial effects:

1. the screen mounting frame is driven by the first lifting module and the second lifting module to move up and down, and the servo and the ball screw are adopted for lifting, so that curve transformation can be realized in the off-plate height printing process, and special printing requirements can be realized;

2. the cross arm is supported by the frame and the supporting plate positioned on the frame, and the moving module drives the rubber scraping plate and the rubber returning plate to complete printing, so that high-precision printing can be guaranteed, and the precision and the stability of the machine can be guaranteed.

Drawings

FIG. 1 is a block diagram of the present invention.

Fig. 2 is a structural view of a printing mechanism of the present invention.

Fig. 3 is a structural view of the screen plate elevating mechanism of the present invention.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is a structural view of the product positioning mechanism of the present invention.

Fig. 6 is a structural diagram of the material moving mechanism of the invention.

In the figure, 1, a frame; 11. mounting a table top; 2. a work table; 3. a printing mechanism; 4. a screen lifting mechanism; 5. a product positioning mechanism; 6. a material moving mechanism; 311. a drive motor; 312. a third transmission wheel; 313. a drive shaft; 314. a third synchronizing wheel; 315. a third belt; 316. a first clamping block; 321. pressing down the air cylinder; 322. mounting a plate; 323. a cross arm; 324. a first cylinder; 325. scraping a rubber plate; 326. a second cylinder; 327. returning the rubber plate; 41. a screen mounting frame; 421. a first motor; 422. a first drive pulley; 423. a first synchronizing wheel; 424. a first drive belt; 425. a first lead screw; 426. a first lifting block; 427. a first ejector rod; 428. a first vertical slide rail; 431. a second motor; 432. a second synchronizing wheel; 433. a second belt; 434. a second lead screw; 435. a second lifting block; 436. a second ejector rod; 51. a limiting component; 511. a fourth transmission wheel; 512. a fourth synchronizing wheel; 513. a fourth belt; 514. a second clamping block; 515. a second horizontal slide rail; 516. a cross bar; 517. a limiting block; 518. a limiting reinforcing plate; 61. a linear module; 62. a slide bar; 63. a suction head assembly.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 6, a printing machine with a curve off-plate function includes a frame 1, a worktable 2, a product positioning mechanism 5, a printing mechanism 3 and a screen lifting mechanism 4 are arranged on the frame 1, the printing mechanism 3 is located above the worktable 2, the screen lifting mechanism 4 is arranged between the two, the screen lifting mechanism 4 includes a screen mounting bracket 41, a first lifting module and a second lifting module, the first lifting module and the second lifting module are fixed on two sides of the frame 1, telescopic ends of the first lifting module and the second lifting module are symmetrically arranged on two sides of the screen mounting bracket 41 and can lift the screen mounting brackets 41 on the respective sides simultaneously or respectively, and the screen mounting bracket 41 is located above the worktable 2; the first lifting module comprises a first motor 421, a first driving wheel 422, a first driving belt 424, a first synchronizing wheel 423, a first screw rod 425 and a first mandril 427, the first motor 421 is arranged on the frame 1, the output end of the first motor is provided with the first driving wheel 422, a pair of first screw rods 427 are vertically arranged at two sides of the first motor 421, the first synchronizing wheel 423 is arranged at the lower end of the first screw rod 425 and is connected with the first driving wheel 422 through the first driving belt 424, the first lifting block 426 on the first screw rod 425 is provided with the first mandril 427, and the upper end of the first mandril 427 is hinged with the lower end of the screen mounting frame 41; the second lifting module is located on the opposite side of the first lifting module, and includes a second motor 431, a second transmission wheel, a second transmission belt 433, a second synchronizing wheel 432, a second lead screw 434 and a second ejector rod 436, the output end of the second motor 431 is provided with the second transmission wheel, a pair of second lead screws 434 are vertically arranged on both sides of the second motor 431, the second synchronizing wheel 432 is arranged at the lower end of the second lead screw 434, and is connected with the second transmission wheel through the second transmission belt 433, the second ejector rod 436 is arranged on a second lifting block 435 on the second lead screw 434, and the upper end of the second ejector rod 436 is hinged to the lower end of the screen mounting frame 41.

The method comprises the steps that a screen plate is fixed on a screen plate mounting frame, an article to be printed is placed on a workbench, a first lifting module and a second lifting module can drive the screen plate mounting frame to move downwards according to program setting, the screen plate mounted on the first lifting module is enabled to be abutted against the article to be printed on the workbench, the position of the article is kept fixed through a product positioning mechanism, a printing mechanism reciprocates on the screen plate to complete product printing, after printing is completed, the first lifting module and the second lifting module can be controlled according to a set P L C program, the screen plate mounting frame is sequentially driven to lift, the screen plate is enabled to be obliquely separated from the printed article, curved plate separation of the screen plate is achieved, and the method is suitable for special working conditions and processing technologies.

Be equipped with first vertical slide rail 438 and the vertical slide rail of second on frame 1, first elevator 426 and second elevator can slide respectively and set up on first vertical slide rail 428 and the vertical slide rail of second, and the slide rail can assist the ejector pin to realize accurate reciprocating.

The printing mechanism 3 comprises a motion module and a printing component, the printing component is arranged on the motion module and comprises a lower air cylinder 321, a mounting plate 322, a cross arm 323, a first air cylinder 324, a second air cylinder 326, a rubber scraping plate 325 and a rubber returning plate 327, the pair of lower air cylinders 321 are symmetrically arranged on the motion module, telescopic ends of the lower air cylinders are respectively provided with the mounting plate 322, two ends of the cross arm 323 are fixed on the pair of mounting plates 322, the first air cylinder 324 and the second air cylinder 326 are arranged on two sides of the cross arm 323, and the lower ends of the two are respectively provided with the rubber scraping plate 325 and the rubber returning plate 327; the motion module comprises a driving motor 311, a third driving wheel 312, a transmission shaft 313, a third synchronous wheel 314, a third transmission belt 315 and a first clamping block 316, the driving motor 311 is arranged on the frame 1, the output end of the driving motor is provided with the third driving wheel 312, the third driving wheel 312 is in transmission connection with the transmission shaft 313 which is rotatably arranged on the frame 1, the third synchronous wheel 314 is arranged at each of the two ends of the transmission shaft 313, the pair of third synchronous wheels 314 drives the pair of third transmission belts 315 which are arranged in parallel to rotate, the third transmission belt 315 is provided with the first clamping block 316, and the pressing cylinder 321 is arranged on the first clamping block 316; the frame 1 is provided with a first horizontal sliding rail, and the first clamping block 316 is slidably disposed on the first horizontal sliding rail.

But the xarm level setting of sliding, it is by pushing down the cylinder drive synchronous lift, then carries out the frictioning action by first cylinder drive frictioning board, and the printing back that finishes, the frictioning board resets, and the second cylinder drive returns the offset plate and goes back the gluey action, and the xarm is supported by frame and the backup pad that is located in the frame, and its operation is stable, guarantees high-precision printing, guarantees the precision and the stability of machine.

A mounting table 11 is arranged below the worktable 2 on the frame 1, a pair of limiting assemblies 51 are vertically arranged on the mounting table 11, each limiting assembly 51 comprises a limiting motor, a fourth driving wheel 511, a fourth synchronizing wheel 512, a fourth driving belt 513, a cross rod 516 and a second horizontal sliding rail 515, the limiting motors are arranged on the mounting table 11, the output ends of the limiting assemblies 51 are provided with the fourth driving wheels 511, the fourth synchronizing wheels 512 are arranged on the opposite sides of the fourth driving wheels 511 and are in transmission connection with the fourth driving belts 513, the pair of cross rods 516 are symmetrically fixed on the fourth driving belts 513 through second clamping blocks 514 respectively, the cross rods 516 can be arranged on the second horizontal sliding rails 515 in a sliding manner, a pair of limiting blocks 517 are arranged on the cross rods 516, and through holes matched with the limiting blocks 517 are arranged on the worktable 2; the upper end of the limiting block 517 is fixed with a limiting reinforcing plate 518.

The limiting block can penetrate through a through hole in the workbench, the limiting motor can drive the fourth driving wheel to drive the fourth driving belt to move circularly, the pair of second clamping blocks are arranged in an axisymmetric mode with the axis of the fourth driving belt, the transverse rods can be driven to move oppositely or reversely, therefore, the limiting reinforcing plates are driven to move oppositely or reversely through the limiting block, clamping or loosening of four sides of an object to be printed is achieved, and positioning action before printing is completed.

The printer with the curve off-plate function further comprises a material moving mechanism 6, the material moving mechanism is located above the workbench 2 and comprises a linear module 61, a sliding rod 62 and suction head assemblies 63, the pair of linear modules 61 are fixed on two sides of the rack 1, two ends of the sliding rod 62 are arranged on the pair of linear modules 61, the lower end of the sliding rod is provided with the plurality of suction head assemblies 63, feeding of objects to be printed is completed in an automatic mode, and the linear modules drive the sliding rod to enable the suction heads located on the sliding rod to convey the objects to be printed to the workbench from a feeding position.

The specific parameters of the machine are as follows: printing area: 1500mm 900 mm; area of the table top: 1800mm by 1200 mm; maximum screen frame: 2200mm 1400 mm; the equipment has full servo control, full data setting of printing parameters and high production efficiency; the printing process is high in precision and stable in repeated precision, the printing position precision and the film thickness precision can be well guaranteed, and the printing quality is excellent.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. The utility model provides a printing machine with curve is from version function, a serial communication port, which comprises a frame, be equipped with workstation, product positioning mechanism, printing mechanism and half tone elevating system in the frame, printing mechanism is located the top of workstation, is equipped with half tone elevating system between the two, half tone elevating system includes half tone mounting bracket, first lifting module and second lifting module are fixed in the frame both sides, the setting in the both sides of half tone mounting bracket of the flexible end symmetry of the two to can go up and down the half tone mounting bracket of the place side separately simultaneously or respectively, half tone mounting bracket is located the top of workstation.

2. The printing machine with the function of separating the printing plate from the curve according to claim 1, wherein the first lifting module comprises a first motor, a first transmission wheel, a first transmission belt, a first synchronizing wheel, a first screw rod and a first ejector rod, the first motor is arranged on the frame, the output end of the first motor is provided with the first transmission wheel, the first screw rods are vertically arranged on two sides of the first motor, the first synchronizing wheel is arranged at the lower end of the first screw rod and is connected with the first transmission wheel through the first transmission belt, the first ejector rod is arranged on a first lifting block on the first screw rod, and the upper end of the first ejector rod is hinged to the lower end of the screen mounting frame.

3. The printing machine with the function of curve off-plate according to claim 2, wherein the second lifting module is located at the opposite side of the first lifting module, and comprises a second motor, a second driving wheel, a second driving belt, a second synchronizing wheel, a second screw rod and a second ejector rod, the output end of the second motor is provided with the second driving wheel, a pair of the second screw rods are vertically arranged at the two sides of the second motor, the second synchronizing wheel is arranged at the lower end of the second screw rod and connected with the second driving wheel through the second driving belt, the second ejector rod is arranged on the second lifting block on the second screw rod, and the upper end of the second ejector rod is hinged to the lower end of the screen mounting frame.

4. The printing machine with the curved plate separating function according to claim 3, wherein the frame is provided with a first vertical slide rail and a second vertical slide rail, and the first lifting block and the second lifting block are respectively slidably arranged on the first vertical slide rail and the second vertical slide rail.

5. The printer with the curved offset function according to claim 1, wherein the printing mechanism comprises a motion module and a printing assembly, the printing assembly is arranged on the motion module and comprises a lower air cylinder, a mounting plate, a cross arm, a first air cylinder, a second air cylinder, a glue scraping plate and a glue returning plate, the pair of lower air cylinders are symmetrically arranged on the motion module, the telescopic ends of the lower air cylinders are respectively provided with the mounting plate, two ends of the cross arm are fixed on the pair of mounting plates, the first air cylinder and the second air cylinder are arranged on two sides of the cross arm, and the lower ends of the first air cylinder and the second air cylinder are respectively provided with the glue scraping plate and the glue returning plate.

6. The printing press with curved off-plate function according to claim 5, wherein the motion module comprises a driving motor, a third driving wheel, a transmission shaft, a third synchronizing wheel, a third transmission belt and a first clamping block, the driving motor is disposed on the frame, the output end of the driving motor is provided with the third driving wheel, the third driving wheel is in transmission connection with the transmission shaft rotatably disposed on the frame, the third synchronizing wheel is disposed at both ends of the transmission shaft, the pair of third synchronizing wheels drive the pair of third transmission belts disposed in parallel to rotate, the third transmission belt is provided with the first clamping block, and the pressing cylinder is disposed on the first clamping block.

7. The printing press with curved plate-separating function as claimed in claim 6, wherein the frame is provided with a first horizontal slide rail, and the first clamping block is slidably provided on the first horizontal slide rail.

8. The printing machine with the curve off-plate function according to claim 1, wherein a mounting table top is arranged below the worktable on the frame, a pair of limiting components are arranged on the mounting table top and are perpendicular to each other, the limiting components include a limiting motor, a fourth driving wheel, a fourth synchronizing wheel, a fourth driving belt, a cross bar and a second horizontal sliding rail, the limiting motor is arranged on the mounting table top, the output end of the limiting motor is provided with the fourth driving wheel, the opposite side of the fourth driving wheel is provided with the fourth synchronizing wheel, the fourth driving wheel and the fourth synchronizing wheel are connected through the fourth driving belt in a driving manner, the cross bar is symmetrically fixed on the fourth driving belt, the cross bar is provided with a pair of limiting blocks, and the worktable is provided with through holes matched with the limiting blocks.

9. The printing machine with the function of curved plate separation as claimed in claim 8, wherein a limiting reinforcing plate is fixed at the upper end of the limiting block.

10. The printing machine with the function of curved off-plate according to claim 1, further comprising a material moving mechanism, wherein the material moving mechanism is located above the workbench and comprises a linear module, a slide rod and a suction head assembly, a pair of the linear modules are fixed on two sides of the frame, two ends of the slide rod are arranged on the pair of linear modules, and the lower end of the slide rod is provided with a plurality of suction head assemblies.