Automatic device for removing ghosting of silk screen plate

Abstract

The application discloses a kind of silk screen board ghosting removal automation equipment, including coating rack and the conveying mechanism for conveying screen board in the middle part of coating rack, the inside of the coating rack is fixedly connected with coating framework, the coating framework includes girder symmetrically arranged above and below conveying mechanism, the side of two the girder towards conveying mechanism is provided with lifting adjustment mechanism, the lifting adjustment mechanism includes electric push rod fixedly connected with girder, the output of the electric push rod is provided with coating mechanism, effectively solve the screen board regeneration reuse in the automation scheme of ghosting removal operation process by reciprocating swing mechanism of mop, need to implement coating process on the requirement of both sides of screen gauze;By the scheme of the mechanism that fixed girder frame and electric control mop move up and down, solve the problem that mop blocks transmission of screen frame in operation surface when screen frame passes through mop interval, the effective implementation of the above scheme realizes the automation of ghosting removal operation equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of printing screen manufacturing equipment, in particular to a silk screen plate ghost image removing automatic equipment. BACKGROUND

[0002] In the flat silk printing industry, the silk screen plate is an essential process device. After completing a silk printing pattern, if another printing pattern is to be replaced, the previous photosensitive film layer must be removed, new photosensitive paste is applied or a new photosensitive film layer is pasted, and then a new printing pattern is made, which is called screen plate regeneration and reuse.

[0003] After the screen plate regeneration and reuse is completed, the shadow of the last pattern is usually left, which is called ghost image in the jargon. The ghost image is usually removed by manually applying ghost image paste. Manual work is labor-intensive and low in efficiency, which cannot meet the growing and large-scale production needs.

[0004] The silk screen plate is usually a hollow four-square frame made of aluminum alloy profiles (or wooden strips), collectively referred to as a screen frame. After the screen mesh is tightly stretched to a specified tension, it is permanently glued to one side of the screen frame to become a screen plate. The ghost image needs to be removed from both sides of the screen mesh, and the ghost image paste needs to be applied on the surface of the screen mesh. If only the spraying method is used, it will not work for half a day. Therefore, the automatic ghost image paste application device needs to have the application effect on both sides of the screen mesh, avoid the blocking of the screen frame transmission by the application device, and not cause any slight scratching damage to the screen mesh. SUMMARY

[0005] The present application aims to provide a silk screen plate ghost image removing automatic equipment to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the present application provides the following technical scheme: a silk screen plate ghost image removing automatic equipment, comprising a rubbing rack and a conveying mechanism arranged in the middle of the rubbing rack for conveying the screen plate, the inside of the rubbing rack is fixedly connected with a rubbing frame, the rubbing frame comprises two trusses symmetrically arranged above and below the conveying mechanism, one side of each of the two trusses facing the conveying mechanism is provided with a lifting adjustment mechanism, the lifting adjustment mechanism comprises an electric push rod fixedly connected to the truss, the output end of the electric push rod is provided with a rubbing mechanism, the rubbing mechanism comprises a rubbing stick support and a rubbing stick which can reciprocate, the bottom of the rubbing stick is provided with a rubbing sponge, the outer side of the rubbing stick support is provided with a rubbing stick reciprocating swing mechanism for driving the rubbing stick to reciprocate, and the rubbing stick reciprocating swing mechanism comprises a swing reduction motor and a swing connecting rod for connecting the swing reduction motor and the rubbing stick.

[0007] Preferably, the coating frame further comprises a channel steel column fixed to the inner wall of the coating frame, and a column connecting bracket fixed to the two ends of the channel steel column, and the beam is fixed to the column connecting bracket.

[0008] Preferably, the conveying mechanism comprises a wheel rail support fixed to the inside of the coating frame, and two conveying wheel rails symmetrically arranged on the top of the wheel rail support, a plurality of transmission bearings fixed to the corresponding positions of the two conveying wheel rails, a transmission rubber-coated shaft mounted in the middle of the transmission bearings, and a bouncing wheel arranged on the top of the conveying wheel rail corresponding to the transmission rubber-coated shaft.

[0009] Preferably, one end of the transmission rubber-coated shaft extends to the outside of the conveying wheel rail and is fixed with a bevel gear, the outside of the bevel gear is engaged with a transmission gear, the outside of the conveying wheel rail is fixed with a main shaft bearing, the middle of the main shaft bearing is provided with a main shaft fixed with the transmission gear, and the outside of the conveying wheel rail is provided with a motor for driving the main shaft.

[0010] Preferably, the lifting adjusting mechanism further comprises a guide column linear bearing fixed to one side of the beam symmetrically about the electric push rod, and a guide column slidingly connected to the inside of the guide column linear bearing, and the end of the guide column is fixed to the mop holder.

[0011] Preferably, the mop is fixed to the slide rail bracket on one side close to the mop holder, the outside of the slide rail bracket is fixed with a slide rail, the outside of the slide rail is slidingly connected with a sliding block, and the sliding block is fixed to the mop holder.

[0012] Preferably, the side of the mop holder is fixed with a swing motor bracket, the swing reduction motor is fixed to the swing motor bracket, the output end of the swing reduction motor is fixedly connected with a swing rod, the swing rod is rotatably connected with a swing connecting rod, the end of the swing connecting rod is rotatably connected with a swing bracket, and the swing bracket is fixed to the mop.

[0013] Preferably, the mop opening and closing control method of the coating mechanism is as follows:

[0014] S1, the coating mechanism located above and below the conveying frame is in an open state relative to the working surfaces W1 and W2;

[0015] S2, along the conveying direction, when the position is (A1+B) behind the coating sponge, the controller controls the extension of the electric push rod under the detection of the sensor LS1.

[0016] S3, along the conveying direction, when the position is (LK-A2) in front of the coating sponge, the controller controls the retraction of the electric push rod under the detection of the sensor LS2.

[0017] As preferred, the A is a coating starting distance, the B is a screen width, the LK is a screen inner frame length, and the A is a coating stopping distance.

[0018] As preferred, a leakage receiving tray is placed at the bottom of the inner wall of the coating rack, and the coating rack is provided with a leakage receiving tray window corresponding to the position of the leakage receiving tray.

[0019] Compared with the prior art, the application has the beneficial effects that: through the reciprocating and swinging mechanism of the mop, the automatic scheme of the screen plate regeneration reuse in the ghost image removal operation process is effectively solved, and the requirement of implementing the coating process on both sides of the screen cloth is met.

[0020] Through the scheme of the fixed girder frame and the electric control mechanism for the up-and-down movement of the mop, the problem that the mop blocks the transmission of the screen frame in the operation surface is solved when the screen frame passes through the mop interval, and the effective implementation of the above scheme realizes the automation of the ghost image removal operation equipment.

[0021] The ghost image removal operation automation scheme of the application can be matched with a ghost image removal special machine, or inserted into a pre-treatment cleaning automatic line to form a full-process automatic production line for the regeneration reuse of the screen plate. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of the application;

[0023] Figure 2 It is a sectional view along the X-axis direction of the application;

[0024] Figure 3 It is a front view of the reciprocating and swinging mechanism of the mop of the application;

[0025] Figure 4 It is a structural schematic diagram of the mop of the application;

[0026] Figure 5 It is a top view of the reciprocating and swinging mechanism of the mop of the application;

[0027] Figure 6 It is a side view of the mop support of the application;

[0028] Figure 7 It is a schematic diagram of the up-and-down opening and closing control of the ghost image removal mop of the application;

[0029] Figure 8 It is a process of the screen regeneration ghost image removal special machine of the application;

[0030] Figure 9 It is a production line process of the ghost image removal added in the screen plate pre-treatment of the application.

[0031] In the drawings:

[0032] 1, coating rack; 11, conveying wheel rail; 12, transmission encapsulated shaft; 13, transmission bearing; 14, bevel gear; 15, main shaft bearing; 16, wheel rail support; 17, bounce wheel;

[0033] 2, coating framework; 21, channel steel stand; 22, girder; 24, stand connecting support;

[0034] 3, coating mechanism; 31, mop; 32, slide rail support; 33, mop support; 34, guide column; 35, guide column linear bearing; 36, slide rail; 37, coating sponge;

[0035] 51, electric push rod;

[0036] 61, swing deceleration motor; 62, swing motor support; 63, swing connecting rod; 64, swing support; 65, swing rod;

[0037] 71, leakage receiving disc; 72, leakage receiving disc window; Sx, coating aging length;

[0038] K1, front end of screen frame; K2, rear end of screen frame; LK, inner frame length of screen plate; W1, upper surface of screen gauze; W2, lower surface of screen gauze; LS1, combined handle stroke sensor; LS2, handle stroke sensor; A1, coating start distance; A2, coating stop distance; B, screen frame width. DETAILED DESCRIPTION

[0039] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0040] Please refer to Figures 1-9 The present application provides a technical solution: a ghost image removing automatic device for screen printing screen plate, which comprises a coating rack 1 and a conveying mechanism arranged in the middle of the coating rack 1 for conveying the screen plate, and a coating framework 2 fixedly connected inside the coating rack 1. The coating framework 2 comprises two girders 22 symmetrically arranged above and below the conveying mechanism. The side of each of the two girders 22 facing the conveying mechanism is provided with a lifting adjustment mechanism. The lifting adjustment mechanism comprises an electric push rod 51 fixedly connected to the girder 22. The output end of the electric push rod 51 is provided with a coating mechanism 3. The coating mechanism 3 comprises a mop support 33 and a mop 31 capable of reciprocating sliding. The bottom of the mop 31 is provided with a coating sponge 37. The outer side of the mop support 33 is provided with a mop reciprocating swing mechanism for driving the mop 31 to reciprocate. The mop reciprocating swing mechanism comprises a swing deceleration motor 61 and a swing connecting rod 63 for connecting the swing deceleration motor 61 and the mop 31.

[0041] It should be noted that the device of the present application is throughout the wheel rail support 16 and the transmission rubber coated shaft 12, to convey the horizontal direction of the regeneration of the mesh plate, the flow frame is the upper and lower surfaces of the mesh screen as the working surface, the upper and lower working surfaces are respectively provided with the coating mechanism 3 to carry out the coating ghost paste operation. The mop 31 adopts aluminum alloy I-beam, the I-beam is installed at 90 degrees to form upper and lower grooves, the mop 31 groove steel is installed in the lower groove cavity to install the coating sponge, the upper groove cavity contains the ghost paste; the mop 31 is respectively installed with the slide rail support 32 and the slide rail 36, the slide block matched with the slide rail 36 is installed on the mop support 33, the reciprocating swing mechanism is installed on the mop 31, the reciprocating swing mechanism is driven by the swing reduction motor 61 to act, and the mop 31 which can move left and right is formed. At the same time, the mop 31 support support is respectively installed with the sliding guide column in the upward and downward direction, the matched guide column linear bearing 35 is installed on the respective girder 22, and the upward and downward movable support mechanism is formed; then the electric push rod is installed between the mop support and the girder, so as to realize the upward and downward opening and closing electric control between the upper girder and the upper support, the girder 22. The girder 22 is respectively connected with the two side columns to form a rigid square frame, and the two side columns are fixedly installed on the ghost flow frame.

[0042] As shown in Figure 1 , 2 , the coating frame 2 further comprises a groove steel column 21, the groove steel column 21 is fixedly connected to the inner wall of the coating frame 1, and the two ends of the groove steel column 21 are fixedly connected with column connecting supports 24, and the girder 22 is fixedly connected with the column connecting supports 24.

[0043] It should be noted that the coating frame 2 of the present application is fixedly installed by two aluminum alloy groove steel columns 21 and column connecting supports 24 on the upper two girders 22 of the aluminum alloy groove steel, and constitutes a rigid four-frame, and the groove back surface of the two groove steel columns 21 is fixedly installed in the side plate of the frame 1 by screws.

[0044] As shown in Figure 1 , 2 , the conveying mechanism comprises a wheel rail support 16 fixedly connected inside the coating frame 1 and two conveying wheel rails 11 symmetrically arranged on the top of the wheel rail support 16, a plurality of transmission bearings 13 are fixedly connected to the corresponding positions of the two conveying wheel rails 11, a transmission rubber coated shaft 12 is installed in the middle of the transmission bearing 13, a bouncing wheel 17 is arranged on the top of the conveying wheel rail 11 corresponding to the position of the transmission rubber coated shaft 12, one end of the transmission rubber coated shaft 12 extends to the outside of the conveying wheel rail 11 and is fixedly connected with a bevel gear 14, the outer side of the bevel gear 14 is engaged with a transmission gear, the outer side of the conveying wheel rail 11 is fixedly connected with a main shaft bearing 15, the middle of the main shaft bearing 15 is provided with a main shaft fixedly connected with the transmission gear, and the outer side of the conveying wheel rail 11 is provided with a motor for driving the main shaft.

[0045] It needs to be explained that the bounce wheel 17 of the application plays a bounce pressure role on the position of the screen frame in conveying, thereby playing a stabilizing role on the screen in transmission and coating operation. The transmission wheel rail 11 adopts an aluminum alloy channel steel. The transmission bearing 13 and the transmission rubber shaft 12 are installed about 20-25 cm in the conveying direction. The inner frame width of the wheel rail 11 channel steel is matched with the rubber length of the transmission rubber shaft 12. The inner frame height of the wheel rail 11 channel steel is matched with the rubber diameter of the transmission rubber shaft 12. The nylon bevel gear 14 is matched with the transmission end of the transmission rubber shaft 12. The transmission main shaft bearing of the bevel gear 14 is installed on the outside of the wheel rail 11 channel steel. The transmission wheel rail 11 components are composed. The distance between the left and right wheel rails 11 is matched with the screen frame width of the conveying screen. The wheel rail support 16 is fixedly installed on the side plate of the rack.

[0046] As shown in Figure 2 , the lifting adjusting mechanism further comprises guide pillar linear bearings 35 symmetrically fixed to one side of the girder 22 relative to the electric push rod 51. The guide pillars 34 are slidably connected to the interiors of the guide pillar linear bearings 35. The end portions of the guide pillars 34 are fixed to the mop support 33.

[0047] It needs to be explained that the mop support 33 is respectively provided with a guide pillar fixing seat and a guide pillar 34 on both sides. The flange plate of the matched guide pillar linear bearing 35 is installed below the girder 22. The mop support 33 and the girder 22 are provided with the electric push rod 51 at the middle position. The electric push rod 51 is driven by a program control signal to perform a telescopic action. When the electric push rod 51 is extended, the wiping mechanism is pushed to approach the screen. The coating sponge 37 contacts the screen gauze surface W1 downward to realize the coating function in combination with the reciprocating swing mechanism. When the electric push rod 51 is retracted by the program control signal, the wiping mechanism is lifted. The stroke of the electric push rod 51 is 10 mm. The coating sponge 37 is separated from the screen gauze surface W1. The screen with the coating ghost paste continues to be conveyed without obstruction.

[0048] As shown in Figure 1 , 2 , 3, 4, 5, and 6, the mop 31 is fixed to the slide rail support 32 on the side close to the mop support 33. The outer side of the slide rail support 32 is fixed with a slide rail 36. The outer side of the slide rail 36 is slidably connected with a sliding block. The sliding block is fixed to the mop support 33. The side of the mop support 33 is fixed with a swing motor support 62. The swing reduction motor 61 is fixed to the swing motor support 62. The output end of the swing reduction motor 61 is fixedly connected with a swing rod 65. The swing rod 65 is rotatably connected with a swing connecting rod 63. The end portion of the swing connecting rod 63 is rotatably connected with a swing support 64. The swing support 64 is fixed to the mop 31.

[0049] It needs to be explained that the mop 31 adopts aluminum alloy I-shaped steel, the I-shaped steel is placed at 90 degrees to form a lower groove, the lower groove is installed with the sponge 37, the I-shaped steel is sealed at both ends, a plurality of leakage holes are matched at the waist plate, the groove carries the ghost paste and can flow to the sponge 37 in the lower groove. The slide rail bracket 32 is installed on the square mop 31 respectively left and right with screws, the slide rail bracket 32 is cut and made of aluminum alloy channel steel, the notch of the channel steel is downward, and the width is matched with the link cover to be clamped into the mop 31; the slide rail bracket 32 is installed with the slide rail 36 on the back of the groove, and the matched slide block 36 is installed on the back of the groove of the square mop bracket 33. Thus, the left and right moving mechanism between the mop 31 and the mop bracket 33 is formed. At the same time, the mop 31 is installed with the swing bracket 64 at the middle position, the swing bracket 64 is connected with the reciprocating mechanism through the shaft pin to drive the mop 31 to move left and right to realize the coating operation, the width of the coating sponge 37 is 60 mm, when the conveying speed is 3 m / min, the time of removing the ghost is 0.06 m / 3 m=0.02 min, which is 1.2 seconds. After the ghost paste is coated, the screen plate is usually placed for 20 seconds before being cleaned, then the distance Sc from the exit of the upper sponge 37 and the lower sponge 47 to the rear plate of the coating rack 1 is Sc=(20 s×3 m / min)=1 m.

[0050] As Figure 7 shown, the opening and closing control method of the mop 31 of the coating mechanism 3 is:

[0051] S1, the coating mechanism 3 located above and below the conveying frame is in an open state relative to the working surfaces W1 and W2;

[0052] S2, along the conveying direction, when the position behind the coating sponge 37 is (A1+B) away, the sensor LS1 is detected, and the controller controls the extension of the electric push rod 51;

[0053] S3, along the conveying direction, when the position in front of the coating sponge 37 is (LK-A2) away, the sensor LS2 is detected, and the controller controls the retraction of the electric push rod 51;

[0054] A1 is the coating starting distance, B is the width of the screen frame, LK is the length of the inner frame of the screen plate, and A2 is the coating stopping distance.

[0055] It should be noted that the up and down opening and closing action of the coating mechanism 3 is achieved by controlling the extension and retraction of the electric push rod 51; the electric push rod 51 is an electric push rod, the stroke of the electric push rod 51 located above the conveying mechanism is 10mm to 15mm; the stroke of the electric push rod 51 located below the conveying mechanism is greater than the height of the mesh frame, the stroke is 60mm to 65mm, and the stroke of the push rod 51 is required to be greater than the height of the mesh frame, that is, the coating sponge 37 is below the conveying surface when it is normally open, and when the coating operation is closed, it is below the lower coating surface W2, and there is a mesh frame height between the lower coating surface W2 and the conveying surface. The coating mechanism is provided with a tensioning mechanism, and when the mesh plate enters the coating, the upper and lower coating sponges 37 are opened to allow the front mesh frame K1 of the mesh plate to pass through; after the mesh plate completes the coating, the upper and lower coating sponges 37 are opened to allow the rear mesh frame K2 of the mesh plate to pass through. The push rod 51 has a stroke limiting adjustment function, so as to realize the pressure adjustment of the upper coating sponge 37 to the upper coating surface W1 and the pressure adjustment of the lower coating sponge 37 to the coating surface W2.

[0056] As shown in Figure 1 , 2 , the bottom of the inner wall of the coating rack 1 is provided with a leakage receiving disc 71, and the coating rack 1 is provided with a leakage receiving disc window 72 corresponding to the position of the leakage receiving disc 71.

[0057] It should be noted that the coating rack 1 is internally provided with a leakage receiving disc 71 to receive the ghost shadow paste leaked during coating; the leakage receiving disc window 72 is arranged on the side plate of the coating rack 1 to facilitate cleaning of the leakage receiving disc 71.

[0058] In the description of the present application, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0059] In addition, the terms "first", "second", "third", "fourth" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features, so that the features limited by "first", "second", "third", "fourth" can be explicitly or implicitly included at least one of the features.

[0060] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "setting", "connecting", "fixing", "screwing" and the like should be understood in a broad sense, for example, can be fixed connection, can also be detachable connection, or integrated; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited, the person skilled in the art can understand the specific meaning of the above-mentioned terms in the present application according to the specific circumstances.

[0061] Although the embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A kind of silk screen plate automatic equipment of ghosting, including rubbing rack (1) and the conveying mechanism for conveying screen plate in the middle part of rubbing rack (1), it is characterized in that: The inside of the coating rack (1) is fixedly connected with a coating frame (2), the coating frame (2) comprises two trusses (22) symmetrically arranged above and below the conveying mechanism, and the two trusses (22) are provided with lifting adjustment mechanisms on the side facing the conveying mechanism, the lifting adjustment mechanisms comprise electric push rods (51) fixedly connected to the trusses (22), the output ends of the electric push rods (51) are provided with coating mechanisms (3), the coating mechanisms (3) comprise mop supports (33) and reciprocating mop (31), the side of the mop (31) facing the conveying mechanism is provided with a coating sponge (37), the outer side of the mop support (33) is provided with a mop reciprocating swing mechanism for driving the reciprocating motion of the mop (31), and the mop reciprocating swing mechanism comprises a swing reduction motor (61) and a swing connecting rod (63) for connecting the swing reduction motor (61) and the mop (31). The side of the mop (31) close to the mop support (33) is fixedly connected with a slide rail support (32), the outer side of the slide rail support (32) is fixedly connected with a slide rail (36), the outer side of the slide rail (36) is slidably connected with a sliding block, and the sliding block is fixedly connected with the mop support (33). The side of the mop support (33) is fixedly connected with a swing motor support (62), the swing reduction motor (61) is fixedly connected to the swing motor support (62), the output end of the swing reduction motor (61) is fixedly connected with a swing rod (65), the swing rod (65) is rotatably connected with the swing connecting rod (63), the end of the swing connecting rod (63) is rotatably connected with a swing support (64), and the swing support (64) is fixedly connected with the mop (31).

2. The automatic device for removing ghosting of a silk-screen printing plate according to claim 1, characterized in that: The coating frame (2) further comprises a channel steel column (21), the channel steel column (21) is fixedly connected to the inner wall of the coating rack (1), and the two ends of the channel steel column (21) are fixedly connected with column connecting supports (24), and the trusses (22) are fixedly connected with the column connecting supports (24).

3. The automatic device for removing ghosting of a silk-screen printing plate according to claim 2, characterized in that: The conveying mechanism comprises a wheel rail support (16) fixedly connected to the inside of the coating rack (1) and two conveying wheel rails (11) symmetrically arranged on the top of the wheel rail support (16), a plurality of transmission bearings (13) are fixedly connected to the conveying wheel rails (11) at corresponding positions, a transmission rubber-coated shaft (12) is mounted in the middle of the transmission bearing (13), and a bouncing wheel (17) is arranged on the top of the conveying wheel rail (11) at a position corresponding to the transmission rubber-coated shaft (12).

4. The automatic device for removing ghosting of a silk-screen printing plate according to claim 3, characterized in that: One end of the transmission rubber-coated shaft (12) extends to the outside of the conveying wheel rail (11) and is fixedly connected with a bevel gear (14), the outer side of the bevel gear (14) is engaged with a transmission gear, the outer side of the conveying wheel rail (11) is fixedly connected with a main shaft bearing (15), the middle of the main shaft bearing (15) is provided with a main shaft fixedly connected with the transmission gear, and the outer side of the conveying wheel rail (11) is provided with a motor for driving the main shaft.

5. The automatic device for removing ghosting from a silk screen plate according to claim 4, characterized in that: The lifting adjusting mechanism further comprises a guide post linear bearing (35) symmetrically fixed on one side of the girder (22) relative to the electric push rod (51), the inside of the guide post linear bearing (35) is slidably connected with a guide post (34), and the end of the guide post (34) is fixed with the mop support (33).

6. The automatic device for removing ghosting from a silk screen plate according to claim 5, characterized in that: The opening and closing control method of the mop (31) of the coating and wiping mechanism (3) is: S1, the coating and wiping mechanism (3) located above and below the conveying frame is in an open state relative to the working surfaces W1 and W2; S2, when the position is (A1+B) behind the coating and wiping sponge (37) along the conveying direction, the controller controls the extension of the electric push rod (51) under the detection of the sensor LS1; S3, when the position is (LK-A2) in front of the coating and wiping sponge (37) along the conveying direction, the controller controls the retraction of the electric push rod (51) under the detection of the sensor LS2; The A1 is a coating starting distance, the B is a screen frame width, the LK is a screen inner frame length, and the A2 is a coating stopping distance.

7. The automatic device for removing ghosting from a silk screen plate according to claim 1, characterized in that: A leakage receiving disc (71) is arranged at the bottom of the inner wall of the coating and wiping frame (1), and the coating and wiping frame (1) is provided with a leakage receiving disc window (72) corresponding to the position of the leakage receiving disc (71).

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