CN211165804U

CN211165804U - Automatic change large-scale silk screen printing device

Info

Publication number: CN211165804U
Application number: CN201922062055.6U
Authority: CN
Inventors: 魏来金; 刘军; 张学文; 梁锴权; 李少超; 廖勇
Original assignee: Guangdong Leadshow Display Co ltd
Current assignee: Guangdong Leadshow Display Co ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-08-04
Anticipated expiration: 2029-11-25

Abstract

The utility model discloses an automatic change large-scale silk screen printing device, including the workstation that can support the stock, the workstation top is equipped with the silk printing plate, silk printing plate one end is rotated and is connected on the workstation, be connected with the motor that draws that can up pull-up this end of silk printing plate through the stay cord on the other end of silk printing plate, the silk printing plate is close to and is equipped with the depression bar that stretches out outwards on the both sides of drawing motor one end, the both sides of workstation are equipped with the clamp plate that is located the silk printing plate outside to and the swing cylinder on the depression bar of the silk printing plate after putting down is down pressed from last in the swing of drive clamp plate swing, automatic large-scale silk screen printing device is still including scraping the knife coating mechanism of pressing the silk printing plate in order to carry out the silk screen printing to the stock, draws motor, swing cylinder and knife coating mechanism work through control system control, realizes automatic silk screen printing.

Description

Automatic change large-scale silk screen printing device

[ technical field ] A method for producing a semiconductor device

The utility model relates to an automatic change large-scale silk screen printing device.

[ background of the invention ]

In the large-scale silk-screen printing production of large-scale printing stocks, manual silk-screen printing is usually adopted, and because the printing stocks are large and the manual jigs are large, the large-scale silk-screen printing production usually needs a plurality of persons to work in a cooperative manner, and the labor cost is high. In addition, although the automatic large-scale screen printing device exists abroad, the structure is complex, the price is high, the popularization is not facilitated, and the purchasing cost of domestic enterprises is also high.

The present invention is made based on such a situation.

[ Utility model ] content

The utility model aims to solve the technical problem that a large-scale silk screen printing device of automation that simple structure, control are convenient, equipment low in manufacturing cost is provided.

In order to solve the technical problem, the utility model relates to an automatic change large-scale silk screen printing device, its characterized in that: including the workstation that can support the stock, the workstation top is equipped with the silk printing plate, silk printing plate one end is rotated and is connected on the workstation, be connected with through the stay cord on the other end of silk printing plate and can hold the pull-up motor that up pulled up with the silk printing plate, the silk printing plate is close to and is equipped with the depression bar that stretches out outwards on the both sides of pulling up motor one end, the both sides of workstation are equipped with the clamp plate that is located the silk printing plate outside to and the swing cylinder of drive clamp plate swing on the depression bar of the silk printing plate after putting down from last down pressing, the automatic large-scale silk screen printing device of change is still including scraping the knife coating mechanism that the silk printing plate carries out the silk screen printing with the stock to and the control system that the work of motor, swing cylinder and knife coating mechanism is pulled up in.

The automatic large-scale silk screen printing device is characterized in that: the scraping and coating mechanism comprises a swing rod support arranged on one side of a workbench, a slide rod is rotatably connected onto the swing rod support, a sliding sleeve in sliding fit with the slide rod is sleeved on the slide rod, a swing rod stretching over a silk screen printing plate is fixed on the sliding sleeve, the swing rod is crossed with the sliding sleeve, a balancing weight capable of pulling the end of the swing rod downwards so as to enable the end of the swing rod to be tilted relative to the workbench through a cable is hung at one end of the swing rod, a sliding block is connected onto the other side of the workbench in a sliding manner, a positioning groove which is right opposite to the swing rod and can be used for allowing the swing rod to be placed downwards from top to bottom is arranged at the top of the sliding block, a clamping plate capable of extending into the positioning groove and limiting the swing rod placed into the positioning groove in the positioning groove is arranged on the side face of the positioning groove on the sliding block, the pull-down motor is connected with the swing rod through a rope, the swing rod is hinged with a scraper which is hung below the swing rod and can press the silk screen plate when the swing rod is clamped into the positioning groove, the sliding sleeve and the sliding block are in the same direction, and the workbench is provided with a driving device which is used for driving the sliding block to slide so as to push the swing rod clamped into the positioning groove to slide along the sliding rod.

The automatic large-scale silk screen printing device is characterized in that: the driving device comprises a screw rod in threaded connection with the sliding block and a screw rod motor for driving the screw rod to rotate.

The automatic large-scale silk screen printing device is characterized in that: the cross section that slide bar and sliding sleeve are, is the rectangle, be fixed with the gyro wheel on the side of sliding sleeve, the gyro wheel passes the lateral wall of sliding sleeve and contacts with the slide bar.

The automatic large-scale silk screen printing device is characterized in that: thereby be equipped with on the workstation and be used for bearing the weight of the stock and can move out the movable plate of silk screen printing version below toward the one end of workstation removal, be equipped with the slide rail to movable plate sliding guide on the workstation, be equipped with the mobility control device who is used for driving the movable plate removal on the workstation, mobility control device is including fixing the rack on the movable plate to and fix the removal driving motor on the workstation and connect the gear that removes driving motor and rack, the workstation is located the removal of movable plate and is served the top and be equipped with the drying cabinet that can carry out the drying to the stock of passing through from its below, control system control removes driving motor and drying cabinet work.

The automatic large-scale silk screen printing device is characterized in that: the printing ink jet printing machine further comprises a manipulator, wherein a spray gun for injecting printing ink to the silk printing plate is arranged on the manipulator.

The automatic large-scale silk screen printing device is characterized in that: the manipulator is a four-axis manipulator.

The automatic large-scale silk screen printing device is characterized in that: the automatic silk-screen printing machine is characterized in that a supporting plate is arranged on the workbench, the silk-screen printing plate is rotatably connected with the supporting plate through a bearing, a sliding groove is formed in the supporting plate along the vertical direction, the bearing is slidably connected with the sliding groove, an adjusting screw rod is connected to the supporting plate in a threaded mode, the lower end of the adjusting screw rod is connected with the bearing, and the adjusting screw rod is rotated to drive the bearing to vertically slide in the sliding groove so as to adjust the height of the silk-screen.

The automatic large-scale silk screen printing device is characterized in that: and a hanging rotating wheel is arranged above the pull-up motor and the screen printing plate, one end of the pull rope strides over the rotating wheel is connected with the screen printing plate, and the other end of the pull rope is connected with the pull-up motor.

Compared with the prior art, the utility model discloses there is following advantage:

1. the utility model discloses a control system control is drawn and is risen the motor automatically so that put into the stock in the below to rise the motor and put down the silk screen printing version automatically through drawing, swing cylinder drive clamp plate presses on the depression bar, makes the firm pressure of silk screen printing version on the stock, and carries out the silk screen printing through the automatic knife coating printing ink of control knife coating mechanism, realizes the automated production of large-scale silk screen printing, and production efficiency is high, uses manpower sparingly.

2. The utility model discloses the scraper blade articulates in the pendulum rod below, and the pendulum rod passes through the sliding sleeve and is located the slide bar sliding fit of workstation one side, pendulum rod and sliding sleeve cross, thereby one of the relative workstation of pendulum rod is served and is hung the balancing weight that can hold this end pull-down messenger and the corresponding one end perk of workstation through the hawser, and sliding connection has the slider on the opposite side of workstation, the position groove is set for at the slider top, lie in the cardboard on the slider on the side of constant head tank to and the flexible telescopic cylinder of drive cardboard, be equipped with the pull-down motor who is connected through rope and pendulum rod on the slider, still be equipped with on the workstation and be used for driving the gliding drive arrangement of slider. When the silk screen printing, in pulling the pendulum rod down and drawing the constant head tank through pull-down motor, telescopic cylinder drive cardboard stretches out the card and restricts the pendulum rod on the slider in the pendulum rod top, at this moment, the balancing weight of connection at the pendulum rod other end rises, the scraper blade is pressed on the silk screen plate, lead screw motor drive lead screw is rotatory, thereby the drive slides with lead screw threaded connection's slider, telescopic cylinder is being carried to the slider, cardboard and pull-down motor are pushing away pendulum rod synchronous motion, thereby make the scraper blade of pressing on the silk screen plate carry out the silk screen printing at silk screen plate knife coating printing ink, realize automatic knife coating printing ink. After silk screen printing is finished, the telescopic cylinder drives the clamping plate to retract, the pull-down motor loosens the pulling of the swing rod, the swing rod automatically drives the scraper to tilt under the action of the balancing weight, and the scraper automatically resets to prepare for the silk screen printing of the next printing stock.

3. The utility model discloses in through removing the spray gun through the manipulator and spray printing ink on the silk plate, realize automatic printing ink of going up, avoid producers direct contact printing ink.

4. The utility model discloses a set up the drying cabinet, the stock that the movable plate is carrying is dried through the printing ink of drying cabinet on to the stock from the drying cabinet below during process to the shipment that the stock can be quick after shifting out the processing position.

[ description of the drawings ]

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

fig. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural diagram of the present invention in a screen printing state;

FIG. 3 is a schematic structural view of the present invention in a state where the screen printing plate is raised;

fig. 4 is a cross-sectional view of a large-scale automatic screen printing apparatus to which the present invention is applied;

fig. 5 is a schematic structural diagram of the movement control device of the present invention;

fig. 6 is a schematic structural diagram of a large-scale automatic screen printing device to which the present invention is applied;

fig. 7 is a schematic structural diagram of a large-scale automatic screen printing device applying the utility model.

[ detailed description ] embodiments

The invention will be further described with reference to the accompanying drawings:

as shown in fig. 1 to 7, a large-scale automatic screen printing device using the automatic large-scale screen printing device of the present invention comprises a housing 1, a hollow screen printing chamber 10 for screen printing is provided in the housing 1, an exhaust system 2 for exhausting the air in the screen printing chamber 10 and exhausting the air after filtering is provided on the housing 1, a worktable 3 is provided in the screen printing chamber 10, a moving plate 4 for bearing the printing stock and moving to one end of the housing 1 is provided on the worktable 3, a slide rail 31 for sliding and guiding the moving plate 4 is provided on the worktable 3, an inlet and outlet 11 for moving the printing stock out and moving into the screen printing chamber 10 is provided at one end of the housing 1, one end of the worktable 3 is close to the inlet and outlet 11, a screen printing plate 5 is provided above the worktable 3, one end of the screen printing plate 5 opposite to the inlet and outlet 11 is rotatably connected to the worktable 3, the automatic printing machine is positioned in the silk screen cavity 10, the other end of the silk screen plate 5 is connected with a lifting motor 6 capable of lifting the end of the silk screen plate 5 upwards through a pull rope 61, a rotating wheel 62 is hung on the inner top of the casing 1, one end of the pull rope 61 strides over the rotating wheel 62 is connected with the silk screen plate 5, the other end of the pull rope is connected with the lifting motor 6, the silk screen plate 5 is turned up and covered through the lifting motor 6, the structure is simple, the operation is convenient, two sides of one end, close to the lifting motor 6, of the silk screen plate 5 are provided with pressing rods 51 extending outwards, two sides of the working table 3 are provided with pressing plates 102 positioned outside the silk screen plate 5 and driving the pressing plates 102 to swing a swing cylinder 101 pressing on the pressing rods 51 of the silk screen plate 5 after being put down from top to bottom, a manipulator 7 is arranged in the silk screen cavity 10, a spray gun 71 used for injecting ink into the silk screen plate 5 is arranged, the large-scale automatic silk screen printing equipment further comprises a control system 100 for controlling the work of the exhaust system 2, the pull-up motor 6, the swing cylinder 101, the manipulator 7, the spray gun 71 and the scraping mechanism.

The manipulator 7 is a four-axis manipulator, which is convenient for controlling the spray gun 71 to move fast or rotate to spray ink on the screen printing plate 5.

The printing stock is arranged on the movable plate 4, the movable plate 4 and the printing stock are fed into a screen printing cavity 10 in the shell 1 through the inlet and the outlet 11, the screen printing plate 5 is put down and pressed on the printing stock by the pulling and lifting motor 6, the swinging cylinder 101 drives the pressing plate 102 to be pressed on the pressing rod 51, the screen printing plate 5 is firmly pressed on the printing stock, the printing ink is sprayed on the screen printing plate 5 by the moving spray gun 71 of the manipulator 7, the blade coating mechanism is controlled by the control system 100 to automatically press on the screen printing plate 5 for blade coating, the printing stock is screen-printed, after the screen printing is finished, the printing stock is moved out of the shell 1 from the inlet and the outlet 11 through the movable plate 4, in the whole process, the exhaust system 2 is started to always exhaust harmful gas in the screen printing cavity 10 outwards and exhaust the harmful gas after the harmful gas is filtered, new fresh air is supplemented into the screen printing cavity 10 from the outside through the inlet and the outlet 11 under the action of suction, provides a clean, sanitary, environment-friendly and safe working environment for the staff.

In order to avoid the air in the screen printing cavity 10 from escaping through the inlet and outlet 11 when the exhaust system 2 is stopped, a soft curtain 15 for blocking the inlet and outlet 11 is arranged at the inlet and outlet 11, and the movable plate 4 and the printing stock can push the soft curtain 15 open to enter and exit the screen printing cavity 10.

In order to realize the automation of moving plate 4 entering and exiting screen printing chamber 10, be equipped with the mobile control device who is used for driving moving plate 4 to shift out and move into screen printing chamber 10 on workstation 3, the mobile control device is including fixing rack 42 on moving plate 4 to and fix removal driving motor 32 and the gear 33 of connecting removal driving motor 32 and rack 42 on workstation 3, control system 100 control removes driving motor 32 and works, further realizes automaticly, reduces the manpower.

The blade coating mechanism comprises a swing rod support 81 arranged on one side of a workbench 3, a slide rod 82 is rotatably connected to the swing rod support 81, two ends of the slide rod 82 are connected with the swing rod support 81 through bearings, a slide sleeve 83 in sliding fit with the slide rod 82 is sleeved on the slide rod 82, a swing rod 84 stretching over a screen printing plate 5 is fixed on the slide sleeve 83, the swing rod 84 is crossed with the slide sleeve 83, a balancing weight 86 capable of pulling the end of the swing rod 84 downwards through a cable is hung on one end of the swing rod 84 opposite to the workbench 3 so as to enable one end corresponding to the workbench 3 to tilt, a sliding block 85 is slidably connected to the other side of the workbench 3, a positioning groove 851 opposite to the swing rod 84 and capable of allowing the swing rod 84 to be placed from top to bottom is arranged at the top of the sliding block 85, a clamping plate 87 capable of extending into the positioning groove 851 and limiting the swing rod 84 placed in the positioning groove 851 is, the sliding block 85 is provided with a pull-down motor 89 used for pulling the swing rod 84 down into the positioning groove 851, the pull-down motor 89 is connected with the swing rod 84 through a rope, the swing rod 84 is hinged with a scraper 80 which is hung below the swing rod 84 and can press the silk-screen plate 5 when the swing rod 84 is clamped into the positioning groove 851, the sliding directions of the sliding sleeve 83 and the sliding block 85 are the same, and the workbench 3 is provided with a driving device used for driving the sliding block 85 to slide so as to push the swing rod 84 clamped into the positioning groove 851 to slide along the sliding rod 82.

The driving device comprises a screw rod 801 in threaded connection with the slide block 85 and a screw rod motor 802 for driving the screw rod 801 to rotate.

During silk-screen printing, the swing rod 84 is pulled downwards and pulled into the positioning groove 851 through the pull-down motor 89, the telescopic cylinder 88 drives the clamping plate 87 to extend out to be clamped above the swing rod 84 so as to limit the swing rod 84 on the sliding block 85, at the moment, the balancing weight 86 connected to the other end of the swing rod 84 is lifted, the scraper 80 is pressed on the silk-screen plate 5, the lead screw motor 802 drives the lead screw 801 to rotate, so that the sliding block 85 in threaded connection with the lead screw is driven to slide, the sliding block 85 carries the telescopic cylinder 88, the clamping plate 87 and the pull-down motor 89 and pushes the swing rod 84 to synchronously move, and therefore the scraper 80 pressed on the silk-screen plate 5 scrapes ink. After silk-screen printing is finished, the telescopic cylinder 88 drives the clamping plate 87 to retract, the pull-down motor 89 releases the pulling of the swing rod 84, and the swing rod 84 automatically drives the scraper 80 to tilt under the action of the balancing weight 86.

The outer side of the machine shell 1 is provided with a support 9 for supporting the moving plate 4 sliding out from the inlet and outlet 11 at the position of the inlet and outlet 11, and the sliding-out moving plate 4 is automatically received by the support 9, so that the manpower for receiving the moving plate 4 is reduced.

The bracket 9 is provided with a guide groove 91 for sliding guide of the bracket 9.

When the moving plate 4 slides into the screen printing cavity 10 for screen printing, the outer end is located outside the casing 1, hand rods 41 for pulling are arranged on two sides of the outer end, and the moving plate 4 can be pulled out manually or pushed into the screen printing cavity 10 conveniently through the hand rods 41.

Exhaust system 2 includes the suction hood 21 that is linked together with silk screen printing chamber 10, suction hood 21 is located the position of the corresponding silk printing plate 5 in casing 1 top, be connected with exhaust fan 22 on the suction hood 21, exhaust fan 22's air exit passes through the pipeline and is connected with the filter and outside the workshop side by side, can install activated carbon etc. in the filter, simple structure, and energy-concerving and environment-protective makes the operational environment safety and sanitation in silk screen printing workshop.

The screen printing machine is characterized in that a door 12 and a door body 13 for closing the door are arranged on the casing 1, so that a person can conveniently enter the screen printing cavity 10 to install and maintain the equipment, and an observation window 14 for observing the screen printing cavity 10 is arranged on the side surface of the casing 1 through transparent glass or plastic, so that the condition of screen printing can be observed in time in the screen printing process.

A drying box 34 for drying the printed materials after silk-screen printing is arranged between the inlet and outlet 11 and the silk-screen printing plate 5 above the slide rail 31, after silk-screen printing of the printed materials is completed, the moving plate 4 carries the printed materials to move towards and away, when the printed materials move through the drying box 34, the printing ink on the printed materials is dried through the drying box 34, so that the printed materials can be rapidly transported after moving out of the shell 1, the drying box 34 can adopt a drying and/or air drying mode, and the control system 100 controls the drying box 34 to work.

The slide rail 31 is of a groove structure and is simple in structure.

The top of the housing 1 is provided with a supply device 72 for supplying ink into the spray gun 71, and the supply device 72 is a high-pressure supply device.

The cross section of the sliding rod 82 and the sliding sleeve 83 is rectangular, a roller 831 is fixed on the side face of the sliding sleeve 83, and the roller 831 penetrates through the side wall of the sliding sleeve 83 to be in contact with the sliding rod 82. Because the sliding sleeve 83 is used as a support to support the swing rod to swing and slide, the swing rod is longer, and the sliding sleeve 83 is stressed greatly when the swing rod tilts, the sliding sleeve 83 has a certain length to increase the contact area with the sliding rod 82 to disperse stress when stressed. When the swing rod is put down for moving silk screen printing, the stress of the sliding sleeve 83 is small, the sliding sleeve 83 is in rolling contact with the sliding rod 82 through the roller 831, friction is reduced, and the sliding of the sliding sleeve 83 on the sliding rod 82 is facilitated; when the swing rod is tilted, the sliding sleeve 83 is stressed greatly, and when the sliding sleeve 83 is stressed to a certain degree, the sliding sleeve can be in surface contact with the sliding rod 82, so that the stress area is increased.

In order to enable the apparatus to be applied to a plurality of versions of a silk-screen, the silk-screen plate 5 is detachably attached to the table 3. In order to carry out silk screen printing on printing stocks with different heights, a supporting plate 35 is arranged on the workbench 3, a rotating connecting part 50 is arranged on the silk screen plate 5, the rotating connecting part 50 is rotatably connected with the supporting plate 35 through a bearing 36, a sliding groove 37 is formed in the supporting plate 35 along the vertical direction, the bearing 36 is in sliding connection with the sliding groove 37, an adjusting screw 38 is connected to the supporting plate 35 in a threaded mode, the lower end of the adjusting screw 38 is connected with the bearing 36, and the rotating adjusting screw 38 drives the bearing 36 to slide up and down in the sliding groove 37 so as to adjust the height of the silk screen plate 5 relative to the workbench, and therefore the requirements of silk screen printing stocks with different.

Claims

1. The utility model provides an automatic change large-scale silk screen printing device which characterized in that: including workstation (3) that can support the stock, workstation (3) top is equipped with silk printing plate (5), silk printing plate (5) one end is rotated and is connected on workstation (3), be connected with through stay cord (61) on the other end of silk printing plate (5) and can be with the up motor (6) that draws that draw up of silk printing plate (5) this end, silk printing plate (5) are close to and are equipped with depression bar (51) that outwards stretch out on the both sides of drawing motor (6) one end, the both sides of workstation (3) are equipped with clamp plate (102) that are located silk printing plate (5) outside to and drive clamp plate (102) swing from last swing cylinder (101) of down pressing on depression bar (51) of silk screen printing plate (5) after putting down, automatic large-scale silk screen printing device is still including scraping blade coating mechanism that can press silk printing plate (5) in order to carry out the stock to and control and draw motor (6) and the stock, A swing air cylinder (101) and a blade coating mechanism work control system (100).

2. The automatic large-scale silk screen printing device of claim 1, wherein: scrape coating mechanism is including locating pendulum rod support (81) of workstation (3) one side, it is connected with slide bar (82) to rotate on pendulum rod support (81), the cover is equipped with sliding sleeve (83) with slide bar (82) sliding fit on slide bar (82), be fixed with pendulum rod (84) that span in silk screen printing version (5) top on sliding sleeve (83), pendulum rod (84) and sliding sleeve (83) crisscross, the relative workstation (3) of pendulum rod (84) is served and is hung through the hawser and have can make counterweight (86) with the corresponding one end perk of workstation (3) with pendulum rod (84) this end pull-down, sliding connection has slider (85) on the opposite side of workstation (3), slider (85) top is equipped with just to pendulum rod (84) and can supply pendulum rod (84) from last constant head tank (851) down to put into, be equipped with on slider (85) the side that lies in constant head tank (851) and can stretch into in constant head tank (851) will put into constant head tank (851) 851) The swing rod (84) in the workbench (3) is limited on a clamping plate (87) in a positioning groove (851), and a telescopic cylinder (88) for driving the clamping plate (87) to stretch, a pull-down motor (89) for pulling the swing rod (84) down towards the positioning groove (851) is arranged on the sliding block (85), the pull-down motor (89) and the swing rod (84) are connected through a rope, a scraper (80) which is hung below the swing rod (84) and can press a silk printing plate (5) when the swing rod (84) is clamped into the positioning groove (851) is hinged to the swing rod (84), the sliding directions of the sliding sleeve (83) and the sliding block (85) are the same, and a driving device for driving the sliding block (85) to slide so as to push the swing rod (84) clamped into the positioning groove (851) to slide along a sliding rod (82) is arranged on the workbench.

3. The automatic large-scale silk screen printing device of claim 2, wherein: the driving device comprises a screw rod (801) in threaded connection with the sliding block (85), and a screw rod motor (802) for driving the screw rod (801) to rotate.

4. The automatic large-scale silk screen printing device of claim 2, wherein: the cross section that slide bar (82) and sliding sleeve (83) are for the rectangle, be fixed with gyro wheel (831) on the side of sliding sleeve (83), gyro wheel (831) pass the lateral wall of sliding sleeve (83) and contact with slide bar (82).

5. The automatic large-scale silk screen printing device of claim 1, wherein: a moving plate (4) which is used for bearing the printing stock and can move towards one end of the working table (3) so as to move the printing stock out of the lower part of the silk-plate (5) is arranged on the working table (3), a slide rail (31) which guides the moving plate (4) in a sliding way is arranged on the workbench (3), a movement control device for driving the moving plate (4) to move is arranged on the workbench (3), the movement control device comprises a rack (42) fixed on the moving plate (4), a moving driving motor (32) fixed on the worktable (3) and a gear (33) connecting the moving driving motor (32) and the rack (42), a drying box (34) which can dry the printing stock passing below the workbench (3) is arranged above the moving-out end of the moving plate (4), the control system (100) controls the operation of the mobile driving motor (32) and the drying box (34).

6. The automatic large-scale silk screen printing device of claim 1, wherein: the printing ink jet printing machine is characterized by further comprising a manipulator (7), wherein a spray gun (71) used for jetting printing ink onto the screen printing plate (5) is arranged on the manipulator (7).

7. The automatic large-scale silk screen printing device of claim 6, wherein: the manipulator (7) is a four-shaft manipulator.

8. The automatic large-scale silk screen printing device of claim 1, wherein: be equipped with backup pad (35) on workstation (3), silk printing plate (5) are rotated with backup pad (35) through bearing (36) and are connected, be equipped with spout (37) along upper and lower direction on backup pad (35), bearing (36) and spout (37) sliding connection, threaded connection has adjusting screw (38) on backup pad (35), adjusting screw (38) lower extreme is connected with bearing (36), thereby rotates adjusting screw (38) and orders about bearing (36) and the height of adjusting silk printing plate (5) relative workstation of middle and upper sliding in spout (37).

9. The automatic large-scale silk screen printing device of claim 1, wherein: and a hanging rotating wheel (62) is arranged above the pull-up motor (6) and the silk screen printing plate (5), one end of the pull rope (61) strides over the rotating wheel (62) is connected with the silk screen printing plate (5), and the other end of the pull rope is connected with the pull-up motor (6).