CN113580736A

CN113580736A - Full-automatic screen printing machine

Info

Publication number: CN113580736A
Application number: CN202110943431.1A
Authority: CN
Inventors: 余耀国; 杨建军
Original assignee: Shenzhen Eton Automation Equipment Co ltd
Current assignee: Shenzhen Eton Automation Equipment Co ltd
Priority date: 2021-08-17
Filing date: 2021-08-17
Publication date: 2021-11-02

Abstract

The invention discloses a full-automatic screen printing machine, which comprises a base, a plate feeding mechanism, a plate feeding platform and an automatic printing module, wherein the printing module is provided with a clamping plate mechanism for clamping a screen printing plate; the bottom of the base is also provided with a lifting mechanism, the plate conveying platform is arranged on the lifting mechanism, and a deviation correcting structure and a fine adjusting structure for adjusting the screen printing plate are also arranged on the plate conveying platform. The automatic printing module and the plate conveying platform for jacking the screen printing plate to the screen pressing mechanism realize the full-process automation of screen printing plate replacement, save the labor cost and improve the printing efficiency. Meanwhile, the automatic deviation rectifying structure and the fine adjusting structure which are arranged on the plate conveying platform can adjust the plate conveying platform, so that the screen printing plate is more accurate in installation, the accuracy and the stability of screen printing plate installation are improved, and the printing quality of screen printing is further improved.

Description

Full-automatic screen printing machine

Technical Field

The invention relates to a screen printing machine, in particular to a full-automatic screen printing machine.

Background

The silk screen printing refers to that a silk screen is used as a plate base, and a silk screen printing plate with pictures and texts is manufactured by a photosensitive plate making method. The basic principle that the meshes of the image-text part and the non-image-text part of the screen printing plate are permeable to ink and impermeable to ink is utilized to print. When printing, ink is poured into one end of the screen printing plate, a scraper plate is used for applying a certain pressure to the ink position on the screen printing plate, meanwhile, the scraper plate moves towards the other end of the screen printing plate at a constant speed, and the ink is extruded onto a printing stock from meshes of the image-text part by the scraper plate in the moving process. When printing is performed on large-scale screen printing equipment, a large amount of waste is caused by matching only one specification of screen printing plate, the printing cost is increased, and when different specifications of screen printing plates are adopted for printing, the screen printing plates need to be replaced. The screen printing plate in the prior art usually adopts manual work to put the board, consumes a large amount of manpowers, and the efficiency of changing the board is not high. Some structures adopting automatic plate feeding only can feed plates and clamping plates, and the position adjustment of the screen printing plate is not accurate enough, so that the printing quality is reduced.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a full-automatic screen printing machine which is provided with a plate feeding mechanism for automatically feeding a screen plate and a plate feeding platform for automatically replacing the screen plate and can perform deviation rectification and fine adjustment.

The technical scheme adopted by the invention for solving the technical problems is as follows: a full-automatic screen printing machine comprises a base, a plate feeding mechanism, a plate feeding platform and an automatic printing module, wherein a clamping plate mechanism for clamping a screen plate is arranged on the printing module; the plate conveying mechanism is arranged on the base, the bottom of the base is further provided with a lifting mechanism, the plate conveying platform is arranged on the lifting mechanism, and a deviation correcting structure and a fine adjusting structure for adjusting the screen printing plate are further arranged on the plate conveying platform.

As an improvement of the above technical solution, the base includes a bottom plate and a top plate, the lifting mechanism is disposed between the bottom plate and the top plate, support members are disposed above the bottom plate and below the top plate, the lifting mechanism is disposed on the support member above the bottom plate, and the support member below the top plate is inversely inserted into the support member above the bottom plate and connected with the lifting mechanism; the supporting pieces above the bottom plate and below the top plate are arranged in a U shape, and each U-shaped supporting piece is composed of three surfaces.

As a further improvement of the above technical solution, the supporting member above the bottom plate includes a lower main supporting plate and a lower side supporting plate, both the upper main supporting plate and the lower side supporting plate are vertically arranged at the side of the bottom plate, and the lower side supporting plate is triangular and vertically arranged on the lower main supporting plate; the support piece below the top plate comprises an upper main support plate and an upper side support plate, wherein the upper main support plate and the upper side support plate are both vertically arranged on the side of the top plate, and the upper side support plate is triangular and is vertically arranged on the upper main support plate.

As a further improvement of the above technical solution, the lifting mechanism includes a lifting motor, a lifting screw rod and a lifting screw rod slider arranged on the lifting screw rod, the lifting motor and the lifting screw rod are both arranged on the bottom plate, the lifting screw rod is driven by the lifting motor, and the lifting screw rod slider is fixedly connected with the upper side supporting plate; still be provided with lifting guide on the below main tributary fagging, lifting guide is located the interior survey of below main tributary fagging, the outside of top main tributary fagging still be provided with lifting guide complex elevator slide, the roof passes through the cooperation of elevator guide and elevator slide with the support piece of roof below and slides the setting on the support frame of base top.

As a further improvement of the above technical solution, the plate conveying platform includes a middle support plate and a top support plate, the deviation correcting structure is disposed between the middle support plate and the base, the deviation correcting structure is used for adjusting positions of the middle support plate and the top support plate in a horizontal direction with respect to the base, the fine tuning structure is disposed between the top support plate and the middle support plate, and the fine tuning structure is used for adjusting a height of the top support plate in a vertical direction with respect to the middle support plate.

As a further improvement of the technical scheme, the deviation rectifying structure comprises a deviation rectifying driving part and a deviation rectifying supporting part, the deviation rectifying supporting part is arranged at the bottom of the middle supporting plate and the top of the base, the deviation rectifying driving part comprises an X-axis deviation rectifying part and a Y-axis deviation rectifying part, the X-axis deviation rectifying part is arranged at the top of the base and the X-axis side edge of the middle supporting plate, and the Y-axis deviation rectifying part is arranged at the top of the base and the Y-axis side edge of the middle supporting plate.

As a further improvement of the technical scheme, the X-axis deviation correction and the Y-axis deviation correction both comprise deviation correction cylinders, deviation correction guide rails and deviation correction sliders, the deviation correction sliders are arranged on gas rods of the deviation correction cylinders and the deviation correction guide rails and are driven by the deviation correction cylinders to slide on the deviation correction guide rails, and the deviation correction sliders are also connected with the middle support plate and push the middle support plate through sliding; the correcting slide block is also provided with a correcting connecting rod, the end part of the correcting connecting rod is provided with a shaft hole, the correcting slide block is provided with a rotating shaft, and the correcting connecting rod and the correcting slide block are rotationally connected with the shaft hole through the rotating shaft; the supporting part comprises a spring arranged between the middle support plate and the base, a cushion block arranged on the base and a rolling structure arranged at the bottom of the middle support plate, and the cushion block and the rolling structure are correspondingly arranged above the base and below the middle support plate respectively; the cushion block is a metal cushion block, the rolling structure comprises an installation block fixedly arranged at the bottom of the middle support plate, a roller arranged on the installation block and balls arranged at the bottom of the roller in a rolling manner, and the balls are arranged on the installation block in a rolling manner.

As a further improvement of the technical scheme, the fine adjustment structure comprises a fine adjustment drive and fine adjustment supports, the fine adjustment supports are located between the middle support plate and the top support plate, a plurality of fine adjustment supports are arranged between the middle support plate and the top support plate, and the fine adjustment drives are located above the middle support plate and on the side edge of the top support plate.

As a further improvement of the above technical solution, the fine tuning support includes an upper slider and a lower slider, the upper slider and the lower slider are respectively and correspondingly arranged at the bottom of the top support plate and the top of the middle support plate, the contact surfaces of the upper slider and the lower slider are opposite inclined surfaces, the inclined surfaces of the upper slider and the lower slider are respectively provided with a slide rail and a slide block which are mutually matched, and the directions of the groups of upper sliders and the groups of lower sliders are consistent; the fine adjustment drive comprises a pushing pin and a pushing stop block, the pushing stop block is arranged on one side edge of the top support plate and is located on the side edge of the top support plate corresponding to the lower-position end of the inclined surface of the lower slide block, the pushing pin abuts against the pushing stop block, the pushing pin is fixed on the middle support plate through an installation block with a threaded hole, and a rotating knob is further arranged at the other end of the pushing pin.

As a further improvement of the technical scheme, the plate feeding mechanism comprises two plate feeding supports, the two plate feeding supports are adjustably arranged on the base through a support driving structure, and plate feeding drives are arranged on the two plate feeding supports; the plate conveying drive comprises a plate conveying motor, a plate conveying belt wheel and a plate conveying belt, and the plate conveying belt conveys the screen printing plate at the top of the plate conveying support; the plate conveying device is characterized in that a vertical Z-axis slide rail is further arranged on the plate conveying support, the plate conveying platform is movably connected with the slide rail through a fixture block, and the plate conveying platform is arranged on the plate conveying support in a sliding mode through the cooperation of the fixture block and the Z-axis slide rail.

The beneficial effects are that: the screen printer is provided with an automatic printing module, a plate feeding mechanism capable of automatically conveying the screen and a plate feeding platform for jacking the screen to the screen pressing mechanism are arranged at the bottom of the screen pressing mechanism of the printing module. The full process automation of screen printing plate replacement is realized, the labor cost is saved, and the printing efficiency is improved. Meanwhile, the automatic deviation rectifying structure and the fine adjusting structure which are arranged on the plate conveying platform can adjust the plate conveying platform, so that the screen printing plate is more accurate in installation, the accuracy and the stability of screen printing plate installation are improved, and the printing quality of screen printing is further improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic assembly view of the present invention;

FIG. 2 is a schematic view of the plate feeding mechanism and the plate feeding platform of the present invention;

FIG. 3 is a schematic view of the construction of the lift mechanism of the present invention;

FIG. 4 is an exploded view of the lift mechanism of the present invention;

FIG. 5 is a schematic diagram of the fine adjustment mechanism of the present invention;

FIG. 6 is an enlarged view of a portion of the fine adjustment mechanism and the deviation correction mechanism of the present invention;

FIG. 7 is a schematic diagram of a deviation correcting driving structure of the present invention;

FIG. 8 is a schematic view of a portion of the deskew drive configuration of the present invention;

FIG. 9 is a schematic diagram of the fine adjustment mechanism of the present invention;

FIG. 10 is a schematic view of the plate feeding mechanism of the present invention.

1. A base; 11. a base plate; 111. a lower main supporting plate; 112. a lower side supporting plate; 12. a top plate; 121. an upper main supporting plate; 122. an upper side supporting plate; 2. a lifting mechanism; 21. a lifting motor; 22. a lifting screw rod; 23. a lifting guide rail; 3. a deviation correcting driving part; 31. correcting the X axis; 32. correcting the Y axis; 33. a deviation rectifying cylinder; 34. a deviation rectifying guide rail; 35. a deviation rectifying slide block; 36. a deviation rectifying connecting rod; 4. a deviation rectifying support part; 41. a spring; 42. cushion blocks; 43. a ball bearing; 5. fine adjustment supporting; 51. an upper slide block; 52. a lower slide block; 6. fine adjustment driving; 61. pushing the pin; 62. pushing the stop block; 63. rotating the knob; 7. a plate feeding mechanism; 71. a plate conveying bracket; 72. a plate feeding motor; 73. a plate feeding belt wheel; 74. a plate conveying belt; 75. a Z-axis slide rail; 76. a carriage drive structure; 8. a plate conveying platform; 81. a middle support plate; 82. a top support plate; 9. a clamping plate mechanism.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1, the full-automatic screen printing machine comprises a base 1, a plate feeding mechanism 7, a plate feeding platform 8 and an automatic printing module, wherein a clamping plate mechanism 9 for clamping a screen plate is arranged on the printing module, the plate feeding mechanism 7 is used for feeding the screen plate to the plate feeding platform 8, and the plate feeding platform 8 is used for feeding the screen plate to the clamping plate mechanism 9; the plate conveying mechanism 7 is arranged on the base 1, the lifting mechanism 2 is further arranged at the bottom of the base 1, the plate conveying platform 8 is arranged on the lifting mechanism 2, and a deviation correcting structure and a fine adjusting structure for adjusting the screen printing plate are further arranged on the plate conveying platform 8. Automatic all modules are combined to realize the full-process automation of screen printing plate replacement, so that the labor cost is saved, and the printing efficiency is improved. Meanwhile, the automatic deviation rectifying structure and the fine adjusting structure which are arranged on the plate conveying platform 8 can adjust the plate conveying platform 8, so that the screen printing plate installation is more accurate, the accuracy and the stability of the screen printing plate installation are improved, and the printing quality of screen printing is further improved.

Referring to fig. 2, the base 1 includes a bottom plate 11 and a top plate 12, the lifting mechanism 2 is disposed between the bottom plate 11 and the top plate 12, and the top plate 12 can move relative to the base 1 due to the arrangement of the lifting mechanism 2, so that the height of the equipment disposed on the top plate 12 can be adjusted, the equipment is more convenient to process, and the flexibility of the whole machine is improved. Supporting pieces are arranged above the bottom plate 11 and below the top plate 12, the lifting mechanism 2 is arranged on the supporting pieces above the bottom plate 11, and the supporting pieces below the top plate 12 are inversely inserted into the supporting pieces above the bottom plate 11 and are connected with the lifting mechanism 2; the supporting pieces above the bottom plate 11 and below the top plate 12 are both arranged in a U shape, and each U-shaped supporting piece is composed of three surfaces. The stability that elevating system 2 and roof 12 are connected can be guaranteed through being connected with elevating system 2 at the support frame that sets up on roof 12 and bottom plate 11, guarantees can not influence bearing structure's support performance when carrying out elevating movement. And the support piece that is "U" shape setting has trilateral overlapping each other, supports for ordinary plate and can play better supporting effect, and can reduce support piece's weight as far as under the circumstances of guaranteeing the support performance, avoids the oppression that too big gravity caused driving motor, guarantees the flexibility of 2 movements of elevating system. The outside of below main tributary fagging 111 still is provided with the strengthening rib for the face of a whole that appears hardness increase of main tributary fagging, the pressure that can bear is bigger, has increased the stability of activity support position. The protective guard is arranged at the top of the lower side supporting plate 112, so that the protective guard mainly plays a role in protecting the positions of the supporting members, prevents limbs or foreign matters of operators from entering a gap between the two supporting members, and improves the overall safety of the equipment.

Referring to fig. 3, the supporting member above the bottom plate 11 includes a lower main supporting plate 111 and a lower side supporting plate 112, the upper main supporting plate 121 and the lower side supporting plate 112 are both vertically disposed at the side of the bottom plate 11, and the lower side supporting plate 112 is vertically disposed on the lower main supporting plate 111 in a triangular shape; the supporting member below the top plate 12 includes an upper main supporting plate 121 and an upper side supporting plate 122, the upper main supporting plate 121 and the upper side supporting plate 122 are both vertically disposed at the side of the top plate 12, and the upper side supporting plate 122 is vertically disposed at the upper main supporting plate 121 in a triangular shape. The supporting members above the bottom plate 11 and below the top plate 12 are only arranged for mutual connection between the two, and the connection process can be realized only by the lower main supporting plate 111 and the upper main supporting plate 121, but because some devices are complex, the mass is large when the supporting members are arranged on the top plate 12, and the pressure on the top plate 12, the lifting mechanism 2 and the bottom plate 11 is large, so that two triangular supports are respectively arranged on two sides of the main supporting plate of each supporting member, namely two triangular supporting ribs are arranged on two sides of each supporting member, the supporting performance of each supporting member is improved, and the stability of connection between each supporting member and the lifting mechanism 2 is also improved.

Referring to fig. 4, the lifting mechanism 2 includes a lifting motor 21, a lifting screw 22, and a lifting screw 22 slider disposed on the lifting screw 22, the lifting motor 21 and the lifting screw 22 are both disposed on the bottom plate 11, the lifting screw 22 is driven by the lifting motor 21, and the lifting screw 22 slider is fixedly connected to the upper side support plate 122; still be provided with lifting guide 23 on the main tributary fagging 111 of below, lifting guide 23 is located the interior survey of main tributary fagging 111 of below, the outside of top main tributary fagging 121 still is provided with lifting guide 23 complex lifting slide, roof 12 and the support piece of roof 12 below pass through lifting guide 23 and lifting slide's cooperation and slide the setting on the support frame of bottom plate 11 top. The lifting motor 21 and the lifting screw rod 22 are arranged in parallel, a gear set is further arranged between the lifting motor 21 and the lifting screw rod 22, and the lifting motor 21 drives the lifting screw rod 22 to rotate through the gear set. Set up elevator motor 21 and lift lead screw 22 on bottom plate 11, can shift the pressure focus that bears when driving to go up and down to bottom plate 11 middle part, realize bottom plate 11 to elevating system 2's direct support, avoid bearing the gravity direct action that lift lead screw 22 bore on below main tributary fagging 111, cause focus skew and bear great pressure on the below main tributary fagging 111.

Referring to fig. 5, the plate conveying platform 8 includes a middle support plate 81 and a top support plate 82, the deviation correcting structure is disposed between the middle support plate 81 and the base 1, the deviation correcting structure is used for adjusting the positions of the middle support plate 81 and the top support plate 82 in the horizontal direction relative to the base 1, the fine adjustment structure is disposed between the top support plate 82 and the middle support plate 81, and the fine adjustment structure is used for adjusting the height of the top support plate 82 in the vertical direction relative to the middle support plate 81. The position of the top support plate 82 can be flexibly adjusted in multiple directions by matching of the deviation rectifying structure and the fine adjusting structure, so that the flexibility of the whole supporting platform is increased, and the supporting platform can adapt to processing of different requirements.

Referring to fig. 6 and 7, the deviation rectifying structure comprises a deviation rectifying driving part 3 and a deviation rectifying supporting part 4, the deviation rectifying supporting part 4 is arranged at the bottom of the middle supporting plate 81 and at the top of the base 1, the deviation rectifying driving part 3 comprises an X-axis deviation rectifying part 31 and a Y-axis deviation rectifying part 32, the X-axis deviation rectifying part 31 is arranged at the top of the base 1 and at the X-axis side of the middle supporting plate 81, and the Y-axis deviation rectifying part 32 is arranged at the top of the base 1 and at the Y-axis side of the middle supporting plate 81. After the deviation rectifying driving part 3 arranged on the side edge of the middle supporting plate 81 is started, the middle supporting plate 81 can be pushed from the X-axis direction or the Y-axis direction, and the middle supporting plate 81 can move in the X-axis direction or the Y-axis direction on the movably arranged supporting part, so that the positions of the middle supporting plate 81 and the top supporting plate 82 arranged on the middle supporting plate 81 can be adjusted.

Referring to fig. 8, each of the X-axis deviation correction 31 and the Y-axis deviation correction 32 includes a deviation correction cylinder 33, a deviation correction guide rail 34, and a deviation correction slider 35, the deviation correction slider 35 is disposed on the gas rod of the deviation correction cylinder 33 and the deviation correction guide rail 34, and is driven by the deviation correction cylinder 33 to slide on the deviation correction guide rail 34, and the deviation correction slider 35 is further connected with the middle support plate 81 and pushes the middle support plate 81 through sliding; the deviation rectifying slide block 35 is further provided with a deviation rectifying connecting rod 36, the end part of the deviation rectifying connecting rod 36 is provided with a shaft hole, the deviation rectifying slide block 35 is provided with a rotating shaft, and the deviation rectifying connecting rod 36 and the deviation rectifying slide block 35 are rotatably connected with the shaft hole through the rotating shaft; when the middle support plate 81 is adjusted in the X-axis direction or the Y-axis direction, the deviation rectifying cylinder 33 in the X-axis direction or the Y-axis direction is directly started, and the deviation rectifying cylinder 33 pushes the deviation rectifying slide block 35 to slide on the deviation rectifying guide rail 34. The edge of the deviation rectifying connecting rod 36 connected with the deviation rectifying slide block 35 can generate thrust on the middle supporting plate 81, and the position of the middle supporting plate 81 is adjusted. Because the middle support plate 81 needs to be adjusted in both the X-axis direction and the Y-axis direction, the deviation rectifying link 36 and the deviation rectifying slide block 35 are rotatably connected by a rotating shaft and a shaft hole. The adjustment in the X-axis direction and the adjustment in the Y-axis direction are fine adjustment and rectification, and the connection of the spring 41 and the connection of the rotating shaft can realize the movement of the dislocation distance and can not influence the adjustment position.

The supporting part comprises a spring 41 arranged between the middle support plate 81 and the base 1, a cushion block 42 arranged on the base 1 and a rolling structure arranged at the bottom of the middle support plate 81, and the cushion block 42 and the rolling structure are correspondingly arranged above the base 1 and below the middle support plate 81 respectively; the cushion block 42 is a metal cushion block 42, the rolling structure comprises an installation block fixedly arranged at the bottom of the middle support plate 81, a roller arranged on the installation block and a ball 43 arranged at the bottom of the roller in a rolling manner, and the ball 43 is arranged on the installation block in a rolling manner. The preferable cushion blocks 42 and the rolling structures are four in number, the four cushion blocks 42 and the rolling structures are correspondingly arranged at four corresponding angles on the base 1 and the middle support plate 81, the balls 43 arranged in the roller are in contact with the cushion blocks 42, the middle support plate 81 can be supported, the balls 43 can roll on the cushion blocks 42, the cushion blocks 42 and the balls 43 can be set to be magnetic, the two mutually attract, and deviation is prevented. The springs 41 arranged on the two sides of the base 1 and the middle support plate 81 can form elastic connection between the base 1 and the middle support plate 81, so that the stability of movable connection between the base 1 and the middle support plate 81 is enhanced.

Referring to fig. 6 and 9, the fine adjustment structure comprises a fine adjustment drive 6 and a fine adjustment support 5, the fine adjustment support 5 is arranged between a middle support plate 81 and a top support plate 82, a plurality of fine adjustment supports are arranged between the middle support plate 81 and the top support plate 82, and the fine adjustment drive 6 is arranged above the middle support plate 81 and on the side edge of the top support plate 82. The fine adjustment support 5 comprises an upper slide block 51 and a lower slide block 52, the upper slide block 51 and the lower slide block 52 are respectively and correspondingly arranged at the bottom of a top support plate 82 and the top of a middle support plate 81, the contact surfaces of the upper slide block 51 and the lower slide block 52 are opposite inclined surfaces, the inclined surfaces of the upper slide block 51 and the lower slide block 52 are respectively provided with a slide rail and a slide block which are matched with each other, and the directions of a plurality of groups of upper slide blocks 51 and lower slide blocks 52 are consistent; the fine adjustment drive 6 comprises a pushing pin 61 and a pushing stop 62, the pushing stop 62 is arranged on one side edge of the top support plate 82 and is located on the side edge of the top support plate 82 corresponding to one end of the inclined plane of the lower slide block 52, the pushing pin 61 abuts against the pushing stop 62, the pushing pin 61 is fixed on the middle support plate 81 through an installation block with a threaded hole, and a rotating knob 63 is further arranged at the other end of the pushing pin 61. When fine adjustment in the Z-axis direction is performed on the top support plate 82, the rotary knob 63 can be manually operated, the rotary knob 63 drives the pushing pin 61 to rotate in the fixed screw hole, so that the length of the pushing pin 61 on the other side of the mounting block is increased, and pushing force is provided for the top support plate 82 after the pushing pin 61 is lengthened. The upper slider 51 and the lower slider 52 provided between the top stay 82 and the middle stay 81 slide relative to each other with the thrust received by the top stay 82, thereby achieving fine adjustment of the top stay 82 in the vertical direction with respect to the middle stay 81.

Referring to fig. 1 and 10, the plate feeding mechanism 7 includes two plate feeding brackets 71, the two plate feeding brackets 71 are adjustably disposed on the base 1 through a bracket driving structure 76, and a plate feeding drive is disposed on each of the two plate feeding brackets 71; the plate feeding drive comprises a plate feeding motor 72, a plate feeding belt wheel 73 and a plate feeding conveyor belt 74, and the plate feeding conveyor belt 74 conveys the screen printing plate on the top of the plate feeding support 71; the two plate feeding supports 71 support the screen on the base 1, and the plate feeding conveyor belt 74 arranged on the top of the plate feeding supports 71 is in contact with the screen placed on the plate feeding supports 71, so that the screen is driven to move, and the screen is conveyed. Send and still be provided with vertical Z axle slide rail 75 on the board support 71, send board platform 8 to pass through fixture block and slide rail swing joint, send board platform 8 to slide on sending board support 71 through the cooperation of fixture block and Z axle slide rail 75 and set up, because send board platform 8 and set up the structure of rectifying and finely tune the structure and all carry out the drive of Z axle direction through elevating system 2 on sending board platform 8, the Z axle actuating mechanism who sets up in the bottom hardly guarantees the stability at the top of sending board platform 8 in the drive, consequently send board platform 8 and send and set up Z axle slide rail 75 between board support 71 and can improve the stability of sending board platform 8. The clamping blocks are arranged on two sides of the middle supporting plate 81, clamping grooves are formed in the clamping blocks, two side edges of the middle supporting plate 81 can move in a short distance in the horizontal direction of the clamping grooves, and the clamping grooves limit the clamping grooves in the vertical direction.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The full-automatic screen printing machine is characterized in that: the automatic printing machine comprises a base, a plate feeding mechanism, a plate feeding platform and an automatic printing module, wherein a clamping plate mechanism for clamping a screen plate is arranged on the printing module; the plate conveying mechanism is arranged on the base, the bottom of the base is further provided with a lifting mechanism, the plate conveying platform is arranged on the lifting mechanism, and a deviation correcting structure and a fine adjusting structure for adjusting the screen printing plate are further arranged on the plate conveying platform.

2. The full-automatic screen printing machine according to claim 1, characterized in that: the base comprises a bottom plate and a top plate, the lifting mechanism is arranged between the bottom plate and the top plate, supporting pieces are arranged above the bottom plate and below the top plate, the lifting mechanism is arranged on the supporting pieces above the bottom plate, and the supporting pieces below the top plate are inversely inserted into the supporting pieces above the bottom plate and are connected with the lifting mechanism; the supporting pieces above the bottom plate and below the top plate are arranged in a U shape, and each U-shaped supporting piece is composed of three surfaces.

3. The full-automatic screen printing machine according to claim 2, characterized in that: the supporting piece above the bottom plate comprises a lower main supporting plate and a lower side supporting plate, the upper main supporting plate and the lower side supporting plate are both vertically arranged on the side of the bottom plate, and the lower side supporting plate is triangular and is vertically arranged on the lower main supporting plate; the support piece below the top plate comprises an upper main support plate and an upper side support plate, wherein the upper main support plate and the upper side support plate are both vertically arranged on the side of the top plate, and the upper side support plate is triangular and is vertically arranged on the upper main support plate.

4. The full-automatic screen printing machine according to claim 3, characterized in that: the lifting mechanism comprises a lifting motor, a lifting screw rod and a lifting screw rod sliding block arranged on the lifting screw rod, the lifting motor and the lifting screw rod are both arranged on the bottom plate, the lifting screw rod is driven by the lifting motor, and the lifting screw rod sliding block is fixedly connected with the upper side supporting plate; still be provided with lifting guide on the below main tributary fagging, lifting guide is located the interior survey of below main tributary fagging, the outside of top main tributary fagging still be provided with lifting guide complex elevator slide, the roof passes through the cooperation of elevator guide and elevator slide with the support piece of roof below and slides the setting on the support frame of base top.

5. The full-automatic screen printing machine according to claim 1, characterized in that: the plate conveying platform comprises a middle support plate and a top support plate, the deviation rectifying structure is arranged between the middle support plate and the base and used for adjusting the positions of the middle support plate and the top support plate in the horizontal direction relative to the base, the fine tuning structure is arranged between the top support plate and the middle support plate and used for adjusting the height of the top support plate in the vertical direction relative to the middle support plate.

6. The full-automatic screen printing machine according to claim 5, characterized in that: the deviation rectifying structure comprises a deviation rectifying driving part and a deviation rectifying supporting part, wherein the deviation rectifying supporting part is arranged at the bottom of the middle supporting plate and the top of the base, the deviation rectifying driving part comprises an X-axis deviation rectifying part and a Y-axis deviation rectifying part, the X-axis deviation rectifying part is arranged at the top of the base and the X-axis side edge of the middle supporting plate, and the Y-axis deviation rectifying part is arranged at the top of the base and the Y-axis side edge of the middle supporting plate.

7. The full-automatic screen printing machine according to claim 6, characterized in that: the X-axis deviation correction and the Y-axis deviation correction respectively comprise deviation correction cylinders, deviation correction guide rails and deviation correction slide blocks, the deviation correction slide blocks are arranged on gas rods of the deviation correction cylinders and the deviation correction guide rails and are driven by the deviation correction cylinders to slide on the deviation correction guide rails, and the deviation correction slide blocks are also connected with the middle support plate and push the middle support plate through sliding; the correcting slide block is also provided with a correcting connecting rod, the end part of the correcting connecting rod is provided with a shaft hole, the correcting slide block is provided with a rotating shaft, and the correcting connecting rod and the correcting slide block are rotationally connected with the shaft hole through the rotating shaft; the supporting part comprises a spring arranged between the middle support plate and the base, a cushion block arranged on the base and a rolling structure arranged at the bottom of the middle support plate, and the cushion block and the rolling structure are correspondingly arranged above the base and below the middle support plate respectively; the cushion block is a metal cushion block, the rolling structure comprises an installation block fixedly arranged at the bottom of the middle support plate, a roller arranged on the installation block and balls arranged at the bottom of the roller in a rolling manner, and the balls are arranged on the installation block in a rolling manner.

8. The full-automatic screen printing machine according to claim 5, characterized in that: the fine adjustment structure comprises a fine adjustment drive and fine adjustment supports, the fine adjustment supports are located between the middle support plate and the top support plate, a plurality of fine adjustment supports are arranged between the middle support plate and the top support plate, and the fine adjustment drives are located above the middle support plate and on the side edges of the top support plate.

9. The full-automatic screen printing machine according to claim 8, wherein: the fine adjustment support comprises an upper sliding block and a lower sliding block, the upper sliding block and the lower sliding block are respectively and correspondingly arranged at the bottom of the top support plate and the top of the middle support plate, the contact surfaces of the upper sliding block and the lower sliding block are reverse inclined surfaces, the inclined surfaces of the upper sliding block and the lower sliding block are respectively provided with a sliding rail and a sliding block which are matched with each other, and the directions of a plurality of groups of upper sliding blocks and lower sliding blocks are consistent; the fine adjustment drive comprises a pushing pin and a pushing stop block, the pushing stop block is arranged on one side edge of the top support plate and is located on the side edge of the top support plate corresponding to the lower-position end of the inclined surface of the lower slide block, the pushing pin abuts against the pushing stop block, the pushing pin is fixed on the middle support plate through an installation block with a threaded hole, and a rotating knob is further arranged at the other end of the pushing pin.

10. The full-automatic screen printing machine according to claim 1, characterized in that: the plate feeding mechanism comprises two plate feeding supports, the two plate feeding supports are arranged on the base in an adjustable mode through a support driving structure, and plate feeding driving is arranged on each of the two plate feeding supports; the plate conveying drive comprises a plate conveying motor, a plate conveying belt wheel and a plate conveying belt, and the plate conveying belt conveys the screen printing plate at the top of the plate conveying support; the plate conveying device is characterized in that a vertical Z-axis slide rail is further arranged on the plate conveying support, the plate conveying platform is movably connected with the slide rail through a fixture block, and the plate conveying platform is arranged on the plate conveying support in a sliding mode through the cooperation of the fixture block and the Z-axis slide rail.