CN111361989A

CN111361989A - A unloading handling device for silk screen printing machine

Info

Publication number: CN111361989A
Application number: CN202010326010.XA
Authority: CN
Inventors: 陈志明
Original assignee: Hangzhou Tenglonghua Intelligent Technology Co ltd
Current assignee: Hangzhou Tenglonghua Intelligent Technology Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-07-03

Abstract

The invention provides a blanking and carrying device for a screen printer, which comprises: the first horizontal moving device comprises a first horizontal moving mechanism and a containing disc, and the first horizontal moving mechanism can drive the containing disc to horizontally move in the Y direction; the grabbing device comprises a grabbing device rack, a second horizontal moving mechanism, a vertical lifting mechanism and a manipulator, wherein the vertical lifting mechanism can drive the manipulator to vertically move in the Z direction, the second horizontal moving mechanism can drive the vertical lifting mechanism to horizontally move in the X direction, and the second horizontal moving mechanism is arranged on the grabbing device rack; the vertical lifting mechanism comprises a spiral lifter and a lifting device, a third horizontal moving mechanism is further arranged between the lifting device and the manipulator, and the third horizontal moving mechanism can drive the manipulator to move in the Y direction and is used for preventing the grabbed silk screen printing workpiece from colliding with the silk screen printing workpiece to be grabbed. The manipulator can grab the silk-screen workpiece and regularly place the silk-screen workpiece in the storage disc, so that the silk-screen workpiece is prevented from being damaged.

Description

A unloading handling device for silk screen printing machine

Technical Field

The invention relates to the technical field of screen printing machines, in particular to a blanking and carrying device for a screen printing machine.

Background

The screen printer is also called a screen printer, and during printing, the printing ink is transferred to a printing member through meshes of the image-text part by extrusion of a scraper so that the image-text part is formed on the printing member as the same as the printing plate. The screen printing machine is simple in printing and plate making, low in cost and strong in adaptability. Common printed products with wide application range of screen printing include color oil paintings, posters, business cards, binding covers, commodity labels, printed and dyed textiles, and the like.

Along with the development of the silk screen printing industry, the silk screen printing machine also gradually realizes automation, can realize automatic feeding and the automatic feeding of silk screen printing machine, the product that will treat the silk screen printing is carried to the material loading position of silk screen printing equipment to the material loading conveyor belt of adoption usually in the industry, accomplish the material loading through the material loading manipulator again, then the silk screen printing machine carries out the silk screen printing, treat that product silk screen printing accomplishes the back, the product that the silk screen printing has been accomplished is placed on the unloading conveyor belt again to the unloading manipulator, then place at the end of unloading conveyor belt and accomodate the basket, but to the glass bottle, this kind of storage mode that falls naturally, at first there is the product surface to collide with each other and cause breaking away from or the damage of silk screen printing ink, secondly there is the cracked hidden danger of the in-process that falls.

Traditionally, prior art discloses a work piece transfer device (CN210260308U) of glass silk screen printing machine, include the mounting bracket and install through linear motion mechanism on the mounting bracket, in order to the first manipulator of motion in level and vertical direction, first manipulator includes first fixing base and installs through a horizontal drive mechanism on the first fixing base, in order relative first fixing base horizontal migration's vacuum adsorption seat, be equipped with the ascending vacuum suction nozzle of a plurality of adsorption planes on the vacuum adsorption seat, vacuum suction nozzle is used for following the below of station is placed to the glass of glass silk screen printing machine absorbs the work piece. But the work piece handling device of this patent is at first to the work piece that just silk screen printing was accomplished is carried from the unloading of silk screen printing machine, secondly utilizes the vacuum suction nozzle to adsorb the work piece and realizes the transport, adsorbs to plane or regular work piece and does not have the problem, and to special-shaped bottle-shaped work piece, this transfer device can't satisfy the transport.

Therefore, a blanking conveying device of a screen printing machine is needed to transport and store bottled fragile screen printing workpieces.

Disclosure of Invention

In order to solve the problems, the invention provides a blanking conveying device for a screen printing machine, which not only can finish conveying the bottled fragile screen printing workpieces, but also can finish accommodating the conveyed bottled fragile screen printing workpieces.

In order to achieve the above object, the present invention provides a blanking conveying device for a screen printer, comprising:

the first horizontal moving device is used for accommodating and carrying silk-screen printing workpieces and comprises a first horizontal moving mechanism and an accommodating disc, and the first horizontal moving mechanism can drive the accommodating disc to horizontally move relative to the Y direction of the base;

the grabbing device is erected above the first horizontal moving device and used for grabbing the silk-screen printing workpiece and placing the silk-screen printing workpiece in the storage disc; the grabbing device comprises a grabbing device rack erected above the first horizontal moving device, a second horizontal moving mechanism, a vertical lifting mechanism and a manipulator, wherein the manipulator is arranged at the tail end of the vertical lifting mechanism, the vertical lifting mechanism can drive the manipulator to vertically move relative to the Z direction of the base, the vertical lifting mechanism is arranged on the second horizontal moving mechanism, the second horizontal moving mechanism can drive the vertical lifting mechanism to horizontally move relative to the X direction of the base, and the second horizontal moving mechanism is arranged on the grabbing device rack; the vertical lifting mechanism comprises a spiral lifter for adjusting the initial lifting height and a lifting device connected with the spiral lifter, a third horizontal moving mechanism is arranged between the lifting device and the manipulator, and the third horizontal moving mechanism can drive the manipulator to move in the Y direction relative to the base and is used for preventing the grabbed silk-screen workpiece from colliding with the silk-screen workpiece to be grabbed;

and the control system is electrically connected with the first horizontal moving device and the grabbing device respectively.

Preferably, the first horizontal movement mechanism is a screw rod driving module, and comprises a module driving motor, a screw rod and a screw nut, wherein the module driving motor is connected with the screw rod and drives the screw rod to rotate so as to drive the screw nut arranged on the screw rod to horizontally move.

Preferably, the first horizontal moving device further comprises a first horizontal connecting plate and a storage disc bracket, the screw nut is arranged on the upper surface of the first horizontal connecting plate, and the lower surface of the first horizontal connecting plate is in sliding connection with the base through a first linear guide rail pair; the containing disc support is arranged on the upper surface of the first horizontal connecting plate, and the horizontal movement of the screw nut can drive the first horizontal connecting plate and the containing disc support arranged on the first horizontal connecting plate to move.

Preferably, the first linear guide rail pair comprises a first linear guide rail and a first sliding block, the first sliding block is connected with the lower surface of the first horizontal connecting plate, and the first linear guide rail is connected with the base.

Preferably, in order to provide sufficient space for the module driving motor, a guide rail bracket is further arranged between the base and the first linear guide rail and used for lifting the first linear guide rail; still be equipped with two vertical connecting plates between first horizontal connecting plate and the storage disc support, two vertical connecting plates interval sets up on the first horizontal connecting plate upper surface, and all with first linear guide is parallel.

Preferably, the second horizontal moving mechanism comprises a horizontal driving motor arranged at one end of the grabbing device frame, a driving belt wheel driven by the horizontal driving motor to rotate and a driven belt wheel arranged at the other end of the grabbing device frame, horizontal synchronous belts are wound on the driving belt wheel and the driven belt wheel and connected with a horizontal supporting seat used for supporting and connecting the vertical lifting mechanism, and the horizontal supporting seat is connected with the grabbing device frame through a second linear guide rail pair.

Preferably, the second linear guide rail pair comprises a second linear guide rail and a second sliding block, the second sliding block is connected with the lower surface of the horizontal supporting seat, and the second linear guide rail is connected with the grabbing device rack.

Preferably, the gripping device frame comprises two door-shaped frames arranged in parallel side by side, and the horizontal supporting seat spans above the two door-shaped frames.

Preferably, the turbine seat of the spiral lifter is connected with the middle part of the horizontal supporting seat, the lower end of the screw rod of the spiral lifter is connected with the upper end of the lifting device, the lower end of the lifting device is connected with a second horizontal connecting plate used for supporting and connecting the manipulator, and a guide column used for vertical guiding is further arranged between the horizontal supporting seat and the second horizontal connecting plate.

Preferably, the spiral lifter is used for adjusting the initial height of the vertical lifting mechanism, so that the manipulator can clamp silk-screen workpieces with different heights, and the universality of the equipment is improved.

Preferably, the lifting device comprises a lifting cylinder, the tail of the lifting cylinder is connected with the tail end of a lifting screw of the spiral lifter, a piston rod of the lifting cylinder is connected with an adjusting rod and connected with a first end of the adjusting rod, a second end of the adjusting rod is clamped in a clamping groove of a cylinder connecting block, and the cylinder connecting block is arranged on the upper surface of the second horizontal connecting plate.

Preferably, the first end of the adjusting rod is an external thread or an internal thread matched with a piston rod of the lifting cylinder, and the second end of the adjusting rod is a hemispherical head protruding outwards.

Preferably, four guide posts are uniformly distributed around the spiral lifter.

Preferably, the third horizontal moving mechanism is a sliding seat cylinder, the fixed end of the sliding seat cylinder is connected with the second horizontal connecting plate, and the moving end of the sliding seat cylinder is connected with the upper surface of the manipulator support of the manipulator.

Preferably, the lower surface of the manipulator support is connected with a clamping cylinder, and a rod cavity of the clamping cylinder is connected with a clamping plate. Specifically, the number of the clamping cylinders is at least two, the clamping cylinders are back-to-back cylinders, rod cavities at two ends of the back-to-back cylinders are respectively connected with clamping plates, and anti-slip pads are arranged on the clamping plates.

Preferably, the manipulator support is further provided with a limiting support for limiting the opening position of the clamping cylinder, and the limiting support is provided with a limiting screw.

Preferably, the base is a leveled platform or cabinet or the ground.

Due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. the blanking carrying device for the screen printing machine is high in automation degree, the mechanical arm can sequentially grab workpieces subjected to screen printing from the blanking conveying belt and regularly place the workpieces in the storage tray, the working efficiency is improved, the traditional phenomenon that silk-screen patterns on the surfaces of the workpieces are damaged due to the fact that the workpieces directly slide from the tail end of the blanking conveying belt into the storage basket can be avoided, and meanwhile the breaking probability of the silk-screen workpieces made of fragile materials in the sliding process can be reduced.

2. According to the blanking and carrying device for the screen printing machine, the spiral lifter is arranged on the vertical lifting mechanism, and different initial lifting heights can be adjusted according to the height of a screen printing workpiece, so that the blanking and carrying device is suitable for screen printing workpieces with different heights, and the universality of the blanking and carrying device is improved.

3. According to the blanking carrying device for the screen printing machine, the third horizontal moving mechanism is arranged between the lifting device and the manipulator, and the manipulator can move along the direction of the blanking conveying belt under the driving of the third horizontal moving mechanism, so that a captured screen printing workpiece is prevented from colliding with a screen printing workpiece to be captured on the blanking conveying belt, and the safety of equipment is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;

FIG. 1 is a schematic perspective view of a blanking and carrying device for a screen printing machine according to the present invention;

FIG. 2 is a right side schematic view of a blanking and carrying device for a screen printing machine according to the present invention;

FIG. 3 is a perspective view of a first horizontal moving device according to the present invention;

FIG. 4 is a perspective view of the grasping device of the present invention;

FIG. 5 is a schematic front view of the grasping device of the present invention;

FIG. 6 is a right side schematic view of the grasping device of the present invention;

the reference numbers are as follows:

1. a first horizontal moving device; 11. a first horizontal movement mechanism; 12. a storage tray; 13. a first horizontal connecting plate; 14. a storage tray holder; 15. a first linear guide rail pair;

2. a gripping device; 21. a gripping device frame; 22. a second horizontal movement mechanism; 221. a horizontal support seat; 222. a second linear guide rail pair; 23. a vertical lifting mechanism; 231. a screw lifter; 232. a lifting device; 2321. a lift cylinder; 2322. adjusting a rod; 233. a second horizontal connecting plate; 234. a guide post; 24. a manipulator; 241. a manipulator support; 242. a clamping cylinder; 243. a splint; 244. a limiting bracket; 25. a third horizontal movement mechanism; 3. a control system; 4. a base; 5. and (5) blanking and conveying a belt.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

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

It should be noted that all the directional indicators such as the first, second, upper, lower, left, right, front and rear … … in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The invention will be further described with reference to the following figures:

referring to fig. 1 to 6, the present invention provides a blanking and carrying device for a screen printer, including:

the first horizontal moving device 1 is used for accommodating and carrying silk-screen printing workpieces, the first horizontal moving device 1 comprises a first horizontal moving mechanism 11 and an accommodating disc 12, and the first horizontal moving mechanism 11 can drive the accommodating disc 12 to horizontally move relative to the Y direction of the base 4;

the grabbing device 2 is erected above the first horizontal moving device 1 and used for grabbing the silk-screen printing workpiece and placing the silk-screen printing workpiece in the storage disc 12; the gripping device 2 comprises a gripping device rack 21 erected above the first horizontal moving device 1, a second horizontal moving mechanism 22, a vertical lifting mechanism 23 and a manipulator 24, the manipulator 24 is arranged at the tail end of the vertical lifting mechanism 23, the vertical lifting mechanism 23 can drive the manipulator 24 to vertically move relative to the base 4Z direction, the vertical lifting mechanism 23 is arranged on the second horizontal moving mechanism 22, the second horizontal moving mechanism 22 can drive the vertical lifting mechanism 23 to horizontally move relative to the base 4X direction, and the second horizontal moving mechanism 22 is arranged on the gripping device rack 11; the vertical lifting mechanism 23 comprises a spiral lifter 231 for adjusting the initial lifting height and a lifting device 232 connected with the spiral lifter 231, a third horizontal moving mechanism 25 is further arranged between the lifting device 232 and the manipulator 24, and the third horizontal moving mechanism 25 can drive the manipulator 24 to move in the Y direction relative to the base 4 and is used for preventing the grabbed silk-screen workpiece from colliding with the silk-screen workpiece to be grabbed;

the control system 3 is electrically connected with the first horizontal moving device 1 and the grabbing device 2 respectively;

the working process is as follows: firstly, according to the height of a silk-screen workpiece to be grabbed, the height of the whole vertical lifting mechanism 23 is adjusted through the spiral lifter 231, so that the manipulator 24 can grab the silk-screen workpiece; then starting the blanking conveying device of the invention, the control system 3 sends a pick-up signal to the manipulator 24, the manipulator 24 receiving the pick-up signal picks up a group of silk-screen workpieces from the blanking conveying belt 5, moves along the direction of the blanking conveying belt 5 under the drive of the third horizontal moving mechanism 25, simultaneously under the action of the lifting device 232, enables the picked group of silk-screen workpieces to be separated from the blanking conveying belt 5, then under the drive of the second horizontal moving mechanism 22, places the picked group of silk-screen workpieces in the storage disc 12 of the first horizontal moving device 1 until the current storage disc 12 is full, the module driving motor of the first horizontal moving mechanism 11 drives the screw nut to move, so that the empty storage disc 12 is in the placing range of the manipulator 24, and finishes moving away from the storage disc support 14 manually or by other auxiliary devices for the full storage disc 12, and an empty tray 12 is placed on the empty tray support 14. Through the arrangement, the invention has the following advantages:

firstly, the manipulator 24 of the blanking conveying device for the screen printer can sequentially grab workpieces subjected to screen printing from the blanking conveying belt 5 and regularly place the workpieces in the storage tray 12, so that the working efficiency is improved, the traditional phenomenon that screen printing patterns on the surfaces of the workpieces are damaged when the workpieces directly slide from the tail end of the blanking conveying belt 5 into the storage basket can be avoided, and the fragmentation probability of screen printing workpieces made of fragile materials in the sliding process can be reduced.

Secondly, according to the blanking conveying device for the screen printer, the third horizontal moving mechanism 25 is further arranged between the lifting device 232 and the manipulator 24, and the manipulator 24 can move along the direction of the blanking conveying belt 5 under the driving of the third horizontal moving mechanism 25, so that the grabbed screen printing workpieces are prevented from colliding with the screen printing workpieces to be grabbed on the blanking conveying belt, and the safety of equipment is improved.

As a preferred embodiment, referring to fig. 3, in order to enable the storage tray and the silk-screen printing workpiece placed on the storage tray to be stably moved, the first horizontal moving mechanism 11 is a lead screw driving module, and includes a module driving motor, a lead screw and a lead screw nut, and the module driving motor is connected with the lead screw and drives the lead screw to rotate, so as to drive the lead screw nut arranged on the lead screw to horizontally move.

As a preferred embodiment, referring to fig. 3, the first horizontal moving device 1 further includes a first horizontal connecting plate 13 and a storage tray support 14, the screw nut is disposed on the upper surface of the first horizontal connecting plate 13, and the lower surface of the first horizontal connecting plate 13 is slidably connected to the base 4 through a first linear guide pair 15; the storage tray support 14 is arranged on the upper surface of the first horizontal connecting plate 13, and the horizontal movement of the screw nut can drive the first horizontal connecting plate 13 and the storage tray support 14 arranged on the first horizontal connecting plate 13 to move the storage tray 12.

As a preferred embodiment, referring to fig. 3, the first linear guide pair 15 includes a first linear guide and a first slider, the first slider is connected to the lower surface of the first horizontal connecting plate 11, the first linear guide is connected to the base 4, in this embodiment, the first linear guide pair 15 is provided in two sets, and the two sets are arranged between the first horizontal connecting plate 11 and the base 4 at parallel intervals, so as to ensure the smoothness of sliding.

As a preferred embodiment, referring to fig. 3, in order to provide sufficient space for the module driving motor, a rail bracket is further provided between the base 4 and the first linear guide for raising the first linear guide; two vertical connecting plates are further arranged between the first horizontal connecting plate 11 and the storage disc support 14, and the two vertical connecting plates are arranged on the upper surface of the first horizontal connecting plate 11 at intervals and are parallel to the first linear guide rail.

As a preferred embodiment, referring to fig. 1, the second horizontal moving mechanism 22 includes a horizontal driving motor disposed at one end of the gripper frame 21, a driving pulley driven by the horizontal driving motor to rotate, and a driven pulley disposed at the other end of the gripper frame 21, wherein a horizontal synchronous belt is wound around the driving pulley and the driven pulley, the horizontal synchronous belt is connected to a horizontal supporting seat 221 for supporting and connecting the vertical lifting mechanism 23, and the horizontal supporting seat 221 is connected to the gripper frame 21 through a second linear guide pair 222.

In a preferred embodiment, the second linear guide pair 222 includes a second linear guide and a second slider, the second slider is connected to the lower surface of the horizontal support seat 221, and the second linear guide is connected to the gripper frame 21, in this embodiment, the second linear guide pair 222 is provided in two sets, and the two sets are arranged between the horizontal support seat 221 and the gripper frame 21 at parallel intervals, so as to ensure the moving stability of the second horizontal moving mechanism 22.

In a preferred embodiment, the gripper frame 21 comprises two door-shaped frames arranged in parallel side by side, the horizontal support seat 221 spans over the two door-shaped frames, and the support legs of the two door-shaped frames are respectively fixedly connected with the base 4.

As a preferred embodiment, referring to fig. 4-6, the turbine base of the spiral lifter 231 is connected to the middle of the horizontal support base 221, the lower end of the screw of the spiral lifter 231 is connected to the upper end of the lifting device 232, the lower end of the lifting device 232 is connected to a second horizontal connection plate 233 for supporting the connection robot 24, and a guide post 234 for vertical guiding is further disposed between the horizontal support base 221 and the second horizontal connection plate 233.

As a preferred embodiment, the spiral elevator 231 is used for adjusting the initial height of the vertical lifting mechanism 23, so that the manipulator 24 can clamp silk-screen workpieces with different heights, and the universality of the device is improved.

As a preferred embodiment, referring to fig. 4-6, the lifting device 232 includes a lifting cylinder 2321, a tail of the lifting cylinder 2321 is connected to a tail end of a lifting screw of the spiral lifter 231, a piston rod of the lifting cylinder 2321 is connected to an adjusting rod 2322 and is connected to a first end of the adjusting rod 2322, a second end of the adjusting rod 2322 is clamped in a clamping groove of a cylinder connecting block, and the cylinder connecting block is disposed on an upper surface of the second horizontal connecting plate 233.

As a preferred embodiment, referring to fig. 4-6, a first end of the adjusting rod 2322 is an external thread or an internal thread which is matched with the piston rod of the lifting cylinder 2321, a second end of the adjusting rod 2322 is an outwardly protruding hemispherical head, and the cylinder connecting block and the second horizontal connecting plate 233 form a movable connection, so that the lifting cylinder 2321 is prevented from being stuck in the lifting process.

As a preferred embodiment, four guide posts 234 are uniformly distributed around the spiral lifter 231, and in this embodiment, the four guide posts 234 are divided into two groups and symmetrically arranged at two sides of the spiral lifter 231, so that the vertical lifting is stable and the shaking is small.

As a preferred embodiment, referring to fig. 4-6, in order to prevent the robot from colliding with the workpiece to be grabbed on the blanking conveyor belt 5 after grabbing the screen-printed workpiece, the robot generally needs to move a distance in the direction of the blanking conveyor belt 5, in this embodiment, the third horizontal moving mechanism 25 employs a slide cylinder, a fixed end of the slide cylinder is connected to the second horizontal connecting plate 233, a moving end of the slide cylinder is connected to the upper surface of the robot support 241 of the robot 24, and the slide cylinder is provided to meet the requirement of moving a distance along the blanking conveyor belt 5, and has a simple structure and a light weight.

As a preferred embodiment, referring to fig. 4 to 6, a clamp cylinder 242 is connected to a lower surface of the robot arm support 241, and a clamp plate 243 is connected to a rod chamber of the clamp cylinder 242. Specifically, the number of the clamping cylinders 242 is at least two, the clamping cylinders 242 are back-to-back cylinders, rod cavities at two ends of the back-to-back cylinders are respectively connected with clamping plates 243, and the clamping plates 243 are provided with anti-slip pads, so that the clamping plates 243 stretch and clamp along with the back-to-back cylinders.

As a preferred embodiment, referring to fig. 4 to 6, the manipulator support 241 is further provided with a limit support 244 for limiting the open position of the clamping cylinder 242, and the limit support 244 is provided with a limit screw.

The base 4 is, as a preferred embodiment, a leveled platform or tub or floor, in this embodiment the base 4 is a leveled tub provided at the bottom with movable rollers and height adjustable feet to facilitate movement of the invention.

The foregoing is a detailed description of the invention, and specific examples are used herein to explain the principles and implementations of the invention, the above description being merely intended to facilitate an understanding of the principles and core concepts of the invention. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

Claims

1. The utility model provides a unloading handling device for silk screen printing machine which characterized in that includes:

2. The blanking conveying device for the screen printing machine as claimed in claim 1, wherein the first horizontal moving mechanism is a lead screw driving module, and comprises a module driving motor, a lead screw and a lead screw nut, and the module driving motor is connected with the lead screw and drives the lead screw to rotate so as to drive the lead screw nut arranged on the lead screw to move horizontally.

3. The blanking and carrying device for the screen printing machine as claimed in claim 2, wherein the first horizontal moving device further comprises a first horizontal connecting plate and a receiving tray bracket, the screw nut is arranged on the upper surface of the first horizontal connecting plate, and the lower surface of the first horizontal connecting plate is slidably connected with the base through a first linear guide rail pair; the containing disc support is arranged on the upper surface of the first horizontal connecting plate, and the horizontal movement of the screw nut can drive the first horizontal connecting plate and the containing disc support arranged on the first horizontal connecting plate to move.

4. The blanking conveying device for the screen printing machine as claimed in any one of claims 1 to 3, wherein the second horizontal moving mechanism comprises a horizontal driving motor disposed at one end of the gripping device frame, a driving pulley driven by the horizontal driving motor to rotate, and a driven pulley disposed at the other end of the gripping device frame, a horizontal synchronous belt is wound around the driving pulley and the driven pulley, the horizontal synchronous belt is connected with a horizontal supporting seat for supporting and connecting the vertical lifting mechanism, and the horizontal supporting seat is connected with the gripping device frame through a second linear guide rail pair.

5. The blanking and carrying device for the screen printing machine as claimed in claim 4, wherein the turbine seat of the spiral lifter is connected with the middle part of the horizontal supporting seat, the lower end of the screw rod of the spiral lifter is connected with the upper end of the lifting device, the lower end of the lifting device is connected with a second horizontal connecting plate for supporting and connecting the manipulator, and a guide column for vertical guiding is further arranged between the horizontal supporting seat and the second horizontal connecting plate.

6. The blanking conveying device for the screen printer according to any one of claims 1, 2, 3 and 5, wherein the lifting device comprises a lifting cylinder, the tail part of the lifting cylinder is connected with the tail end of a lifting screw of the spiral lifter, a piston rod of the lifting cylinder is connected with an adjusting rod and is connected with a first end of the adjusting rod, a second end of the adjusting rod is clamped in a clamping groove of a cylinder connecting block, and the cylinder connecting block is arranged on the upper surface of the second horizontal connecting plate.

7. The blanking and carrying device for the screen printing machine as claimed in claim 6, wherein the first end of the adjusting rod is an external thread or an internal thread matched with the piston rod of the lifting cylinder, and the second end of the adjusting rod is a hemispherical head protruding outwards.

8. The blanking conveying device for the screen printing machine according to any one of claims 1, 2, 3, 5 and 7, wherein the third horizontal moving mechanism is a sliding seat air cylinder.

9. The blanking and carrying device of claim 8, wherein a fixed end of the sliding seat cylinder is connected with the second horizontal connecting plate, and a moving end of the sliding seat cylinder is connected with the upper surface of the manipulator bracket of the manipulator.

10. The blanking and carrying device for the screen printing machine as claimed in claim 9, wherein a clamping cylinder is connected to the lower surface of the manipulator support, and a clamping plate is connected to a rod cavity of the clamping cylinder.