A printing plate positioning and hole opening apparatus and a method of using the same

Abstract

The application provides a printing plate positioning and drilling device and an application method thereof, and relates to the field of printing auxiliary equipment. The device comprises a processing table for carrying a printing plate, a drilling device and a positioning assembly. The drilling device and the positioning assembly are arranged on the processing table, and the drilling device can drill holes on the printing plate. The positioning assembly comprises a sensing device, an indicating device and a moving unit. The printing plate is printed with positioning points. The sensing device can identify the positioning points. The sensing device is electrically connected with the indicating device and can feed back the identification result to the indicating device. The indicating device can prompt the user with the identification result. The moving unit is connected with the sensing device and can drive the sensing device to move above the printing plate. The application has the effect of high drilling accuracy.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of printing auxiliary equipment, in particular to a printing plate positioning and hole making device and an application method thereof. BACKGROUND

[0002] A printing plate is a carrier for transferring ink to a printing substrate.

[0003] The existing printing machine needs to accurately wind multiple printing plates on a plate cylinder when using the multiple printing plates. Due to slight differences in the sizes of the printing plates, in order to ensure that the printing areas on the printing plates can be accurately overlapped, the workers need to pre-drill positioning through holes on the printing plates by using a printing plate positioning and hole making device, so as to ensure the position accuracy of the printing plates on the plate cylinder by means of the cooperation of the positioning through holes and the positioning mechanism on the plate cylinder.

[0004] The existing printing plate positioning and hole making device generally includes a machining table and a puncher, the puncher is arranged on the machining table, a tool bit, a tool bit driving device and a matching hole matched with the tool bit are arranged in the puncher, the tool bit is located below the matching hole, and the tool bit driving device is in transmission connection with the tool bit and can drive the tool bit to approach or move away from the matching hole. Before punching, the workers will pre-print cross-shaped line patterns for positioning on the packaging paper of each printing plate in the same batch, when the cross-shaped line patterns on two printing plates are completely overlapped, the printing areas on the two printing plates can be accurately overlapped; then the cross-shaped line patterns are aligned with the center of the matching hole by visual positioning, and finally the tool bit driving device is started to drive the tool bit to pass through the matching hole, so as to punch the positioning through hole on the printing plate.

[0005] However, this positioning method completely relies on the visual positioning of the workers, and the punching accuracy is low.

[0006] Therefore, it is necessary to provide a printing plate positioning and hole making device and an application method thereof. SUMMARY

[0007] In order to solve the problem of low punching accuracy of the existing printing plate positioning and hole making device, the present application provides a printing plate positioning and hole making device and an application method thereof.

[0008] In a first aspect, the present application provides a printing plate positioning and hole making device, which adopts the following technical scheme: a machining table for carrying a printing plate, a punching device and a positioning assembly, the punching device and the positioning assembly are arranged on the machining table, and the punching device can punch holes on the printing plate.

[0009] The positioning assembly comprises a sensing device, an indicating device and a moving unit, the printing plate is provided with a positioning point, the sensing device can identify the positioning point, the sensing device is electrically connected with the indicating device and can feed back the identification result to the indicating device, and the indicating device can prompt the user with the identification result.

[0010] The moving unit is connected with the sensing device and can drive the sensing device to move above the printing plate.

[0011] By adopting the above technical scheme, when a batch of printing plates need to be punched, the user can first print the positioning point for positioning on the packaging paper of each printing plate in the batch, then take out a printing plate as a reference plate from the batch and place it on the processing table, then drive the sensing device to move through the moving unit until the indicating device displays that the sensing device has identified the positioning point, and finally start the punching device to punch the reference plate, so as to adjust the position of the sensing device through the reference plate; after the punching of the reference plate is completed, the user can take another printing plate from the remaining printing plates and place it on the processing table, then adjust the position of the printing plate until the indicating device displays that the sensing device has identified the positioning point, and then start the punching device to punch the printing plate, so that the positioning hole on the printing plate is not prone to deviation, and the printing area on the printing plate cannot be accurately overlapped with the printing area on the reference plate when the printing plate is installed on the printing plate cylinder, thereby improving the punching accuracy of the printing plate positioning and punching equipment.

[0012] Specifically, the moving unit comprises a pair of slide rods, a pair of slide sleeves, a guide rod and a moving seat, the pair of slide rods are arranged in parallel and spaced apart on the processing table, and the printing plate is located between the pair of slide rods, each slide sleeve is slidably sleeved on the corresponding slide rod;

[0013] One end of the guide rod is connected with one of the pair of slide sleeves, the other end of the guide rod is connected with the other of the pair of slide sleeves, and the length direction of the guide rod is perpendicular to the length direction of the slide rod;

[0014] The moving seat is connected with the guide rod and can slide along the length direction of the guide rod, and the sensing device is arranged on the moving seat.

[0015] By adopting the above technical scheme, the guide rod can drive the moving seat to move along the slide rod through the slide sleeve, and the moving seat can drive the sensing device to move along the guide rod, so that the moving unit can drive the sensing device to move above the printing plate.

[0016] Further, the sensing device is a camera, and the indicating device is a display.

[0017] By adopting the technical scheme, the camera device can capture the printing plate and display the obtained image on the display, the user can pre-print the positioning cross on the packaging paper of the printing plate, and then set the alignment cross on the display, so that the user can accurately position the opening position on the printing plate when the cross on the image is completely overlapped with the alignment cross.

[0018] Specifically, a moving groove is formed on the processing table, one end of the moving groove is located below the printing plate, and the other end of the moving groove extends towards the punching machine and extends out of the printing plate.

[0019] By adopting the technical scheme, when the printing plate is placed flat on the processing table, the bottom of the printing plate is attached to the table top of the processing table, and the moving groove is designed to form an empty space between the bottom of the printing plate and the bottom wall of the moving groove, so that the user can hold the part of the printing plate located at the moving groove, thereby facilitating the user to move the printing plate in the horizontal direction or take the printing plate off the processing table.

[0020] Further, the adjustment assembly includes a moving table, a moving table driving device, a pair of telescopic cylinders and a pair of abutting pieces, a limiting groove is formed on the processing table along the length direction of the sliding rod, the moving table is inserted into the limiting groove and abuts against the groove wall of the limiting groove, and the moving table can receive the printing plate.

[0021] The punching device is arranged at one end of the limiting groove, the moving table driving device is in transmission connection with the moving table and can drive the moving table to approach or move away from the punching device along the limiting groove.

[0022] A pair of telescopic cylinders are arranged on the processing table along the length direction of the guide rod, the moving table is located between the pair of telescopic cylinders, each abutting piece is connected with the piston rod of the corresponding telescopic cylinder, and each telescopic cylinder can drive the corresponding abutting piece to approach or move away from the moving table, so as to abut against the printing plate through the abutting piece and push the printing plate.

[0023] By adopting the technical scheme, the user can drive the moving table to move along the length direction of the sliding rod through the moving table driving device, so as to drive the printing plate to move along the length direction of the sliding rod; when it is needed to adjust the position of the printing plate along the length direction of the guide rod, the user can start the piston rod of the corresponding telescopic cylinder to extend out of the cylinder body, so as to drive the abutting piece to push the printing plate in the corresponding direction.

[0024] Further, an air cavity is formed in the moving table, a gas outlet hole for connecting with an air extraction device is formed on the inner side wall of the air cavity, and a plurality of air extraction holes are formed on the inner top wall of the air cavity.

[0025] By adopting the technical scheme, the suction hole is designed to enable the printing plate to be adsorbed on the table top of the moving table, so as to increase the friction between the printing plate and the moving table, and facilitate the moving table to move together with the printing plate.

[0026] Further, the material changing assembly comprises a feeding unit, a material conveying unit and a material collecting box, the feeding unit comprises a storage box, a material moving piece and a material moving piece driving device, the storage box is capable of carrying a printing plate to be perforated, a discharge port adapted to the printing plate is formed in the bottom of the storage box, the material moving piece is arranged in the interior of the storage box, the material moving piece driving device is in transmission connection with the material moving piece and is capable of driving the material moving piece to approach or move away from the discharge port, so as to push the printing plate in the storage box to the discharge port through the material moving piece;

[0027] The material conveying unit comprises a feeding roller, a selecting roller, a collecting roller and a roller driving device, the feeding roller and the selecting roller are arranged at the discharge port, a discharge channel is formed between the feeding roller and the selecting roller, the collecting roller is arranged at the discharge side of the discharge channel, the roller driving device is in transmission connection with the feeding roller, the selecting roller and the collecting roller, the printing plate can approach and abut against the collecting roller under the driving of the feeding roller and the selecting roller after entering the discharge channel from the discharge port, and the collecting roller can drive the printing plate to approach the moving table and be received by the moving table;

[0028] The selecting roller is located between the feeding roller and the moving table, a material collecting channel is formed between the collecting roller and the selecting roller, the feeding side of the material collecting channel is located at the end of the limiting groove away from the perforating device, the feeding roller is located at the discharge side of the material collecting channel, the material collecting box is arranged below the storage box, and a feeding port is formed in the side wall of the side of the material collecting box facing the feeding roller;

[0029] The printing plate placed on the moving table can enter the material collecting channel and approach the feeding roller under the driving of the collecting roller and the selecting roller, the feeding roller can abut against the printing plate and drive the printing plate to approach the feeding port, so that the printing plate enters the material collecting box.

[0030] By adopting the above technical scheme, after a batch of printing plates are placed in the storage box, the material moving piece driving device can drive the material moving piece to approach the discharge port, so that the material moving piece can push the printing plates in the storage box to the discharge port, and the printing plates can fall from the discharge port into the discharge channel one by one; at this time, the user can control the parts of the feeding roller and the selecting roller that abut against the printing plates to rotate towards the direction of approaching the collecting roller by the roller driving device, so that the printing plates can be driven by the feeding roller and the selecting roller to approach and abut against the collecting roller after entering the discharge channel from the discharge port, and then the part of the collecting roller that faces the discharge channel is controlled to rotate towards the direction of approaching the moving table, so that the collecting roller can drive the printing plates to approach the moving table and be received by the moving table; after the punching is completed, the user can drive the moving table to approach the collecting channel by the moving table driving device, so that the printing plates placed on the moving table are located at the feeding end of the collecting channel; at this time, the user can control the parts of the collecting roller, the selecting roller and the feeding roller that abut against the printing plates to rotate towards the direction of approaching the feeding port by the roller driving device, so that the printing plates enter the storage box through the feeding port.

[0031] Further, the surfaces of the feeding roller, the selecting roller and the collecting roller are provided with anti-skid pieces.

[0032] By adopting the above technical scheme, the anti-skid pieces can increase the friction between the collecting roller, the selecting roller, the feeding roller and the printing plates, so as to facilitate the movement of the printing plates driven by the rotation of the rollers.

[0033] Further, the positioning assembly further comprises a power supply, and the sensing device comprises a pair of abutting heads, one of the pair of abutting heads is electrically connected with the power supply, and the other of the pair of abutting heads is electrically connected with the indicating device.

[0034] The printing plate is provided with a pair of positioning points, and the pair of positioning points are connected with each other through a conductive medium; when each abutting head abuts against the corresponding positioning point, the power supply can supply power to the indicating device to prompt the user through the opening of the indicating device.

[0035] By adopting the above technical scheme, the indicating device will be closed when any one of the abutting heads does not abut against the corresponding positioning point, so as to prompt the user that the position of the printing plate still needs to be adjusted; when both of the abutting heads abut against the corresponding positioning points, the power supply can supply power to the indicating device, so that the indicating device can be opened and prompt the user that the printing plate has been successfully positioned.

[0036] The second aspect of the present application provides an application method of a printing plate positioning and hole forming device, which adopts the following technical scheme:

[0037] S1, a group of printing plates are first placed in the storage box;

[0038] S2, drive the material moving part to move close to the discharge port until a print plate falls into the discharge port, then drive the feeding roller, the selecting roller and the collecting roller to rotate through the roller driving device, so that the print plate falls on the moving table, and finally drive the moving table to move close to the punching device through the moving table driving device, so that the punching device can punch the print plate;

[0039] S3, first move the moving seat along the length direction of the guide rod or the slide rod until the indicating device displays that the sensing device recognizes the positioning point on the print plate, and then start the punching device to punch the print plate;

[0040] S4, first drive the moving table to move close to the material conveying unit through the moving table driving device, and then drive the feeding roller, the selecting roller and the collecting roller to rotate through the roller driving device, so that the print plate enters the material collecting box;

[0041] S5, first repeat the steps of S2, then drive a pair of abutting members to push the print plate to move along the length direction of the guide rod through a pair of telescopic cylinders, and drive the print plate to move along the length direction of the slide rod through the moving table driving device, so as to adjust the position of the print plate until the indicating device displays that the sensing device recognizes the positioning point, and then start the punching device to punch the print plate, and finally repeat the steps of S4.

[0042] By adopting the above technical scheme, the user can first use the first print plate as a reference plate to adjust the position of the sensing device by performing the steps from S1 to S4, and then punch the remaining print plates by repeating the operation of S5, so that the positioning holes on these print plates are not easy to be deviated, and the accurate punching of the same batch of print plates is realized.

[0043] In summary, the present application has the following at least one beneficial technical effect:

[0044] 1. A print plate positioning and hole opening device comprising a processing table for carrying a print plate, a punching device and a positioning assembly, the punching device and the positioning assembly are arranged on the processing table, and the punching device can punch holes on the print plate; the positioning assembly comprises a sensing device, an indicating device and a moving unit, the print plate is printed with a positioning point, the sensing device can recognize the positioning point, and the sensing device is electrically connected with the indicating device and can feed back the recognition result to the indicating device, and the indicating device can prompt the user with the recognition result; the moving unit is connected with the sensing device and can drive the sensing device to move above the print plate, so that the user can accurately position the position of the print plate which needs to be punched through the positioning assembly, thereby the punching accuracy of the print plate positioning and hole opening device is high;

[0045] 2. The positioning component also includes a power supply, and the sensing device includes a pair of abutments, one of which is electrically connected to the power supply and the other of which is electrically connected to an indicator. The printing plate has a pair of positioning points, which are interconnected by a conductive medium. The indicator will close when either abutment fails to abut the corresponding positioning point, so as to prompt the user that the position of the printing plate still needs to be adjusted. When both abutments abut the corresponding positioning points, the power supply can supply power to the indicator, so that the indicator can be turned on and prompt the user that the printing plate has been successfully positioned. Attached Figure Description

[0046] Figure 1 This is a perspective view of a printing plate positioning and punching device according to this application;

[0047] Figure 2 yes Figure 1 A schematic enlarged view of region A in the middle, showing the location points;

[0048] Figure 3 This is a perspective view of another embodiment provided in this application;

[0049] Figure 4 It is along Figure 3 A schematic cross-sectional view taken along the central axis of the middle abutment rod;

[0050] Figure 5 yes Figure 4 A schematic enlarged view of area B in the middle, showing the feed roller, sorting roller, and collecting roller.

[0051] Reference numerals: 1. Processing table; 11. Transfer groove; 12. Limiting groove; 2. Drilling device; 3. Positioning component; 31. Sensing device; 311. Abutment joint; 32. Indicating device; 33. Moving unit; 331. Slide rod; 332. Guide rod; 333. Moving seat; 4. Printing plate; 41. Positioning point; 5. Adjustment component; 51. Moving table; 511. Ventilation chamber; 512. Air extraction hole; 513. Air extraction pipe; 52. Moving table drive device; 53. Telescopic cylinder; 54. Abutment part; 6. Material changing component; 61. Feeding unit; 611. Storage box; 6111. Discharge port; 612. Transfer component; 613. Transfer component drive device; 62. Material conveying unit; 621. Feeding roller; 622. Selecting roller; 623. Collecting roller; 624. Roller drive device; 63. Receiving box. Detailed Implementation

[0052] Figure 1 This is a perspective view of a printing plate positioning and punching device according to this application. Figure 2 yes Figure 1 A schematic enlarged view of region A, showing the location points. See also... Figure 1 andFigure 2 A printing plate positioning and hole making device, comprising a processing table 1 for carrying a printing plate 4, which can be an aluminum plate for off-line direct plate making (i.e. a CTP plate), a hole making device 2 and a positioning assembly 3, both of which are arranged on the processing table 1, the hole making device 2 can be a punch to enable punching on the printing plate 4; the positioning assembly 3 comprises a sensing device 31, an indicating device 32 and a moving unit 33, the printing plate 4 is printed with a pair of positioning points 41, the sensing device 31 is a camera device, and the indicating device 32 is a display, the camera device can take pictures of the printing plate 4 and display the obtained images on the display. The punch is a prior art, which will not be described here.

[0053] Referring to Figure 1 and Figure 2 The moving unit 33 comprises a pair of slide rods 331, a pair of slide sleeves, a guide rod 332 and a pair of moving seats 333, the pair of slide rods 331 are arranged in parallel and spaced apart on the processing table 1, and the printing plate 4 is located between the pair of slide rods 331, each slide sleeve is slidably sleeved on the corresponding slide rod 331, one end of the guide rod 332 is connected with one of the pair of slide sleeves, the other end of the guide rod 332 is connected with the other of the pair of slide sleeves, and the length direction of the guide rod 332 is perpendicular to the length direction of the slide rod 331, and the pair of moving seats 333 are connected with the guide rod 332 and can slide along the length direction of the guide rod 332, so that the guide rod 332 can drive the moving seat 333 to move along the slide rod 331 through the slide sleeve; the sensing device 31 is arranged on the moving seat 333, so that the moving seat 333 can drive the sensing device 31 to move along the guide rod 332, thereby enabling the moving unit 33 to drive the sensing device 31 to move above the printing plate 4.

[0054] Through the above design, when a batch of printing plates 4 need to be punched, the user can first print a pair of positioning points 41 in the shape of a cross on the packaging paper of each printing plate 4 in the batch, then take out one of the printing plates 4 in the batch as a reference plate and place it on the processing table 1, then drive the sensing device 31 to move through the moving unit 33 until the indicating device 32 displays that the sensing device 31 recognizes the positioning points 41, and finally start the hole making device 2 to punch the reference plate, so as to adjust the position of the sensing device 31 through the reference plate; after the punching of the reference plate is completed, the user can take one of the remaining printing plates 4 and place it on the processing table 1, then adjust the position of the printing plate 4 until the indicating device 32 displays that the sensing device 31 recognizes the positioning points 41, and then start the hole making device 2 to punch the printing plate 4, so that the positioning holes on the printing plate 4 are not easy to be offset, and the printing area on the printing plate 4 cannot be accurately overlapped with the printing area on the reference plate when the printing plate 4 is installed on the printing plate cylinder, thereby the punching accuracy of the printing plate positioning and hole making device is high.

[0055] Preferably, screw holes for locking screw rods can be formed on the sliding sleeve and the moving seat 333, so that the user can lock the moving seat 333 on the guide rod 332 by screwing the locking screw rod into the screw hole and abutting against the guide rod 332, or lock the sliding sleeve on the sliding rod 331 by screwing the locking screw rod into the screw hole and abutting against the sliding rod 331; the user can also set a cross-shaped mark on the display in advance to match the cross-shaped positioning point 41, so that the user can accurately position the hole position on the printing plate 4 when the cross-shaped mark on the image is completely overlapped with the cross-shaped positioning point 41.

[0056] Referring to Figure 1 and Figure 2 , the processing table 1 is provided with a moving plate groove 11, one end of the moving plate groove 11 is located below the printing plate 4, and the other end of the moving plate groove 11 extends towards the punching machine and extends out of the printing plate 4. Through the above design, when the printing plate 4 is placed flat on the processing table 1, the bottom of the printing plate 4 will be attached to the table top of the processing table 1, and the design of the moving plate groove 11 will form an empty space between the bottom of the printing plate 4 and the bottom wall of the moving plate groove 11, so that the user can hold the part of the printing plate 4 located at the moving plate groove 11, thereby facilitating the user to move the printing plate 4 in the horizontal direction or take the printing plate 4 off the processing table 1.

[0057] Figure 3 is a perspective view of another embodiment provided by the present application, Figure 4 is a schematic cross-sectional view taken along the central axis of the abutting rod in Figure 3 Referring to Figure 3 and Figure 4 In another embodiment provided by the present application, the printing plate positioning and hole opening device further comprises an adjusting assembly 5 and a material changing assembly 6, the adjusting assembly 5 comprises a moving table 51, a moving table driving device 52, a pair of telescopic cylinders 53 and a pair of abutting members 54, the processing table 1 is provided with a limiting groove 12 along the length direction of the sliding rod 331, the moving table 51 is inserted into the limiting groove 12 and abuts against the groove wall of the limiting groove 12, but the moving table 51 can move along the length direction of the sliding rod 331 in the limiting groove 12, and the moving table 51 can receive the printing plate 4; the punching device 2 and the material changing assembly 6 are respectively arranged at both ends of the limiting groove 12, the moving table driving device 52 is in transmission connection with the moving table 51 and can drive the moving table 51 to move along the limiting groove 12 to approach or away from the punching device 2, so that the user can drive the moving table 51 to move along the length direction of the sliding rod 331 by the moving table driving device 52 to drive the printing plate 4 to move.

[0058] A pair of telescopic cylinders 53 are arranged on the machining table 1 along the length direction of the guide rod 332, and the moving table 51 is located between the pair of telescopic cylinders 53. Each abutting piece 54 is connected with the piston rod of the corresponding telescopic cylinder 53. Each telescopic cylinder 53 can drive the corresponding abutting piece 54 to move close to or away from the moving table 51, so as to abut against the printing plate 4 through the abutting piece 54 and push the printing plate 4, thereby enabling the user to start the piston rod of the corresponding telescopic cylinder 53 to extend out of the cylinder body when it is necessary to adjust the position of the printing plate 4 along the length direction of the guide rod 332, so as to drive the abutting piece 54 to push the printing plate 4 in the corresponding direction. The adjustment assembly 5 can replace the manual adjustment of the position of the printing plate 4 in the first embodiment.

[0059] Figure 5 is Figure 4 is a schematic enlarged view of the B area in FIG. 6, showing the feed roller, the selection roller and the collection roller. Referring to Figure 4 and Figure 5 The replacement assembly 6 includes a feed unit 61, a conveying unit 62 and a collection box 63. The feed unit 61 includes a storage box 611, a moving piece 612 and a moving piece driving device 613. The storage box 611 can carry the printing plate 4 to be perforated, and the bottom of the storage box 611 is provided with a discharge port 6111 matched with the printing plate 4. The moving piece 612 is arranged in the interior of the storage box 611, and the moving piece driving device 613 is in transmission connection with the moving piece 612 and can drive the moving piece 612 to move close to or away from the discharge port 6111, so as to push the printing plate 4 in the storage box 611 to the discharge port 6111 through the moving piece 612. The conveying unit 62 includes a feed roller 621, a selection roller 622, a collection roller 623 and a roller driving device 624. The feed roller 621 and the selection roller 622 are arranged at the discharge port 6111, and a discharge channel is formed between the feed roller 621 and the selection roller 622. The collection roller 623 is arranged at the discharge side of the discharge channel. The roller driving device 624 is three rotary motors. The feed roller 621, the selection roller 622 and the collection roller 623 are respectively in transmission connection with one of the three rotary motors. The selection roller 622 is located between the feed roller 621 and the moving table 51. A collection channel is formed between the collection roller 623 and the selection roller 622. The inlet side of the collection channel is located at the end of the limiting groove 12 away from the perforating device 2. The feed roller 621 is located at the discharge side of the collection channel. The collection box 63 is arranged below the storage box 611, and the side wall of the collection box 63 on the side facing the feed roller 621 is provided with an inlet port.

[0060] Through the above design, after a batch of printing plates 4 are placed in the storage box 611, the material moving member driving device 613 can drive the material moving member 612 to move close to the discharge port 6111, so that the material moving member 612 can push the printing plates 4 in the storage box 611 to the discharge port 6111, and the printing plates 4 can fall from the discharge port 6111 into the discharge channel one by one; at this time, the user can control the rotation of the feeding roller 621 and the selecting roller 622 through the roller driving device 624, and the printing plates 4 in the discharge channel are clamped and driven downward by the feeding roller 621 and the selecting roller 622, so that the printing plates 4 can be driven by the feeding roller 621 and the selecting roller 622 to approach and abut against the collecting roller 623 after entering the discharge channel from the discharge port 6111, and then the rotation of the collecting roller 623 is controlled, so that the collecting roller 623 can drive the printing plates 4 to approach the moving table 51 and be received by the moving table 51 (the above is viewed from the perspective of the drawing, the feeding roller 621 rotates counterclockwise, the selecting roller 622 rotates clockwise, and the collecting roller 623 rotates counterclockwise); after the punching is completed, the user can drive the moving table 51 to approach the collecting channel through the moving table driving device 52, so that the printing plates 4 placed on the moving table 51 are located at the inlet end of the collecting channel; at this time, the user can control the rotation of the collecting roller 623, the selecting roller 622 and the feeding roller 621 through the roller driving device 624, so that the printing plates 4 pass through the inlet and enter the collecting box 63 (the above is viewed from the perspective of the drawing, the collecting roller 623 rotates clockwise, and the selecting roller 622 and the feeding roller 621 both rotate counterclockwise).

[0061] Referring to Figure 3 and Figure 4The positioning assembly 3 further comprises a power supply (not shown in the figure), the two sensing devices 31 are abutting rods, the bottom of the moving seat 333 is provided with a sliding hole, the top end of the abutting rod is inserted into the sliding hole and can slide along the sliding hole, the bottom end of the abutting rod is an abutting head 311 for abutting with the packaging paper of the printing plate 4, the abutting head 311 can be a metal ball, a limiting protrusion is arranged on the rod body of the abutting rod, an abutting protrusion is arranged on the hole wall at the hole opening of the sliding hole, the abutting protrusion can abut against the bottom of the limiting protrusion to limit the abutting rod, so that the abutting rod is not easy to fall off from the sliding hole, and a compression spring is further arranged between the top of the abutting rod and the inner wall of the sliding hole, the compression spring can apply a downward force to the abutting rod, so that the abutting head 311 can abut against the packaging paper of the printing plate 4; one of the pair of abutting heads 311 is electrically connected with the power supply, and the other of the pair of abutting heads 311 is electrically connected with the indicating device 32, the packaging paper of the printing plate 4 is made of insulating material, and a pair of positioning points 41 are printed on the packaging paper by using conductive ink, the pair of positioning points 41 are connected with each other through a conductive medium, when each abutting head 311 abuts against the corresponding positioning point 41, the power supply can supply power to the indicating device 32, and the indicating device 32 can be an indicating lamp. Through the above design, the indicating device 32 will be turned off when any one of the abutting heads 311 does not abut against the corresponding positioning point 41, so as to prompt the user that the position of the printing plate 4 still needs to be adjusted; when both of the abutting heads 311 abut against the corresponding positioning points 41, the power supply can supply power to the indicating device 32, so that the indicating device 32 can be turned on and prompt the user that the printing plate 4 has been successfully positioned.

[0062] Specifically, anti-skid members can be arranged on the roller surfaces of the feeding roller 621, the selecting roller 622 and the collecting roller 623, and the anti-skid members can be rubber, so as to increase the friction between the collecting roller 623, the selecting roller 622, the feeding roller 621 and the printing plate, thereby facilitating the movement of the printing plate 4 driven by the rotation of the rollers.

[0063] Referring to Figure 4 and Figure 5 The inner side of the moving table 51 is formed with a ventilation cavity 511, an air outlet hole is arranged on the inner side wall of the ventilation cavity 511, the air outlet hole is connected with a suction device (not shown in the figure) through a suction pipeline 513, the suction device can be a suction pump, and a plurality of air suction holes 512 are arranged on the inner top wall of the ventilation cavity 511, so that the printing plate 4 can be adsorbed on the table top of the moving table 51, thereby increasing the friction between the printing plate 4 and the moving table 51, and facilitating the movement of the moving table 51 together with the printing plate 4.

[0064] Based on the structure of the above-mentioned printing plate positioning and hole opening device, the second aspect of the present application further provides a method for applying the printing plate positioning and hole opening device, the method is realized by using the above-mentioned printing plate positioning and hole opening device, and the method specifically comprises the following steps:

[0065] S1, first put a group of printing plates 4 into the storage box 611;

[0066] S2, start the material moving device driving device 613 to drive the material moving device 612 to approach the discharge port 6111 until a printing plate 4 falls into the discharge port 6111, then drive the feeding roller 621, the selecting roller 622 and the collecting roller 623 to rotate through the roller driving device 624, so that the printing plate 4 approaches and falls on the moving table 51, and finally drive the moving table 51 to approach the punching device 2 through the moving table driving device 52, so that the punching device 2 can punch the printing plate 4;

[0067] S3, first move the moving seat 333 along the length direction of the guide rod 332 or the slide rod 331 until the indicating device 32 displays that the sensing device 31 recognizes the positioning point 41 on the printing plate 4, and then start the punching device 2 to punch the printing plate 4;

[0068] S4, first drive the moving table 51 to approach the material conveying unit 62 through the moving table driving device 52, and then drive the feeding roller 621, the selecting roller 622 and the collecting roller 623 to rotate through the roller driving device 624, so that the printing plate 4 enters the material receiving box 63;

[0069] S5, first repeat the steps of S2, then start a pair of telescopic cylinders 53 to drive a pair of abutting pieces 54 to push the printing plate 4 to move along the length direction of the guide rod 332, and drive the printing plate 4 to move along the length direction of the slide rod 331 through the moving table driving device 52, so as to adjust the position of the printing plate 4 until the indicating device 32 displays that the sensing device 31 recognizes the positioning point 41, and then start the punching device 2 to punch the printing plate 4, and finally repeat the steps of S4.

[0070] Since the printing plate positioning and punching device application method adopts the above-mentioned printing plate positioning and punching device, it also has all the technical effects of the above-mentioned printing plate positioning and punching device, especially the user can first use the first printing plate 4 as a reference plate to adjust the position of the sensing device 31 by executing the steps from S1 to S4, and then punch the remaining printing plates 4 by repeating the operation of S5, so that the positioning holes on these printing plates 4 are not easy to be deviated, and the accurate punching of the same batch of printing plates 4 is realized.

[0071] The implementation principle of the printing plate positioning and punching device is:

[0072] After a batch of printing plates 4 is put into the storage box 611, the user can first drive the material moving piece 612 to be close to the discharge port 6111 by the material moving piece driving device 613, so that the material moving piece 612 can push the printing plates 4 in the storage box 611 to the discharge port 6111, and a printing plate can fall from the discharge port 6111 into the discharge channel; at this time, the user can control the parts of the feeding roller 621 and the selecting roller 622 that abut against the printing plate to rotate in the direction close to the collecting roller 623 by the roller driving device 624, so that the printing plate 4 can be close to and abut against the collecting roller 623 under the driving of the feeding roller 621 and the selecting roller 622 after entering the discharge channel from the discharge port 6111, and then control the part of the collecting roller 623 that faces the discharge channel to rotate in the direction close to the moving table 51, so that the collecting roller 623 can drive the printing plate 4 to be close to the moving table 51 and be received by the moving table 51; after the punching is completed, the user can drive the moving table 51 to be close to the collecting channel by the moving table driving device 52, so that the printing plate 4 placed on the moving table 51 is located at the feeding end of the collecting channel; at this time, the user can control the collecting roller 623, the selecting roller 622 and the parts of the feeding roller 621 that abut against the printing plate to rotate in the direction close to the feeding port by the roller driving device 624, so that the printing plate 4 can enter the storage box 63 through the feeding port, and finally the positioning and punching of the batch of printing plates 4 are realized by repeating the above operation.

[0073] The embodiments of the specific implementation are the preferred embodiments of the present application, and are not limited to the protection scope of the present application, wherein the same parts are indicated by the same reference numerals. Therefore, any equivalent changes made according to the structure, shape and principle of the present application should be covered by the protection scope of the present application.

Claims

1. A printing plate positioning aperture apparatus characterized by: The printing plate processing device comprises a processing table (1) for bearing a printing plate (4), a punching device (2), a positioning assembly (3), an adjusting assembly (5) and a material replacing assembly (6), the punching device (2) and the positioning assembly (3) are arranged on the processing table (1), and the punching device (2) can punch holes on the printing plate (4); The positioning assembly (3) comprises a sensing device (31), an indicating device (32) and a moving unit (33), the printing plate (4) is provided with a positioning point (41), the sensing device (31) can identify the positioning point (41), the sensing device (31) is electrically connected with the indicating device (32) and can feed back the identification result to the indicating device (32), and the indicating device (32) can prompt the user with the identification result; The moving unit (33) is connected with the sensing device (31) and can drive the sensing device (31) to move above the printing plate (4); The adjusting assembly (5) comprises a moving table (51) and a moving table driving device (52), the processing table (1) is provided with a limiting groove (12), the moving table (51) is inserted into the limiting groove (12) and abuts against the groove wall of the limiting groove (12), the punching device (2) is arranged at one end of the limiting groove (12), and the moving table driving device (52) is in transmission connection with the moving table (51) and can drive the moving table (51) to move along the limiting groove (12) to approach or move away from the punching device (2); The material replacing assembly (6) comprises a feeding unit (61), a material conveying unit (62) and a receiving box (63), the feeding unit (61) comprises a storage box (611), a material moving piece (612) and a material moving piece driving device (613), the storage box (611) can bear a printing plate (4) to be punched, the bottom of the storage box (611) is provided with a discharge port (6111) matched with the printing plate (4), the material moving piece (612) is arranged in the storage box (611), the material moving piece driving device (613) is in transmission connection with the material moving piece (612) and can drive the material moving piece (612) to approach or move away from the discharge port (6111), so that the printing plate (4) in the storage box (611) is pushed to the discharge port (6111) through the material moving piece (612). The material conveying unit (62) comprises a feeding roller (621), a selecting roller (622), a collecting roller (623) and a roller driving device (624), the feeding roller (621) and the selecting roller (622) are arranged at the discharge port (6111), a discharge channel is formed between the feeding roller (621) and the selecting roller (622), the collecting roller (623) is arranged at the discharge side of the discharge channel, the roller driving device (624) is in driving connection with the feeding roller (621), the selecting roller (622) and the collecting roller (623), the printing plate (4) can be brought close to and abut against the collecting roller (623) under the driving of the feeding roller (621) and the selecting roller (622) after entering the discharge channel from the discharge port (6111), and the collecting roller (623) can drive the printing plate (4) to approach and be received by the moving table (51); The selecting roller (622) is located between the feeding roller (621) and the moving table (51), a collecting channel is formed between the collecting roller (623) and the selecting roller (622), the feeding side of the collecting channel is located at one end of the limiting groove (12) away from the punching device (2), the feeding roller (621) is located at the discharge side of the collecting channel, and the collecting box (63) is arranged below the storage box (611), and a feeding port is formed in the side wall of one side of the collecting box (63) facing the feeding roller (621). The printing plate (4) placed on the moving table (51) can enter the collecting channel and approach the feeding roller (621) under the driving of the collecting roller (623) and the selecting roller (622), the feeding roller (621) can abut against and drive the printing plate (4) to approach the feeding port, so that the printing plate (4) enters the collecting box (63).

2. A printing plate register hole cutting apparatus according to claim 1 wherein: The moving unit (33) comprises a pair of sliding rods (331), a pair of sliding sleeves, a guide rod (332) and a moving seat (333), the pair of sliding rods (331) are arranged in parallel and spaced apart on the processing table (1), and each sliding rod (331) is arranged along the length direction of the limiting groove (12), and the printing plate (4) is located between the pair of sliding rods (331), and each sliding sleeve is slidably sleeved on the corresponding sliding rod (331); One end of the guide rod (332) is connected with one of the pair of sliding sleeves, the other end of the guide rod (332) is connected with the other of the pair of sliding sleeves, and the length direction of the guide rod (332) is perpendicular to the length direction of the sliding rod (331); The moving seat (333) is connected with the guide rod (332) and can slide along the length direction of the guide rod (332), and the sensing device (31) is arranged on the moving seat (333).

3. A printing plate register hole cutting apparatus according to claim 2 wherein: The sensing device (31) is a camera device, and the indicating device (32) is a display.

4. A printing plate register hole cutting apparatus according to claim 1 wherein: The processing table (1) is provided with a moving plate groove (11), one end of the moving plate groove (11) is located below the printing plate (4), and the other end of the moving plate groove (11) extends towards the punching device (2) and extends out of the printing plate (4).

5. A printing plate register hole cutting apparatus according to claim 2 wherein: The adjusting assembly (5) further comprises a pair of telescopic cylinders (53) and a pair of abutting pieces (54), the pair of telescopic cylinders (53) are arranged on the processing table (1) along the length direction of the guide rod (332), and the moving table (51) is located between the pair of telescopic cylinders (53), each abutting piece (54) is connected with the piston rod of the corresponding telescopic cylinder (53), and each telescopic cylinder (53) can drive the corresponding abutting piece (54) to move close to or away from the moving table (51), so as to abut against the printing plate (4) through the abutting piece (54) and push the printing plate (4).

6. A printing plate register hole cutting apparatus according to claim 5 wherein: The moving table (51) is internally formed with a ventilation cavity (511), the inner side wall of the ventilation cavity (511) is provided with a gas outlet hole for connecting with a gas extraction device, and the inner top wall of the ventilation cavity (511) is provided with a plurality of gas extraction holes (512).

7. A printing plate register hole cutting apparatus according to claim 6 wherein: The surfaces of the feeding roller (621), the selecting roller (622) and the collecting roller (623) are provided with anti-skid pieces.

8. A printing plate register hole cutting apparatus as claimed in claim 1 wherein: The positioning assembly (3) further comprises a power supply, and the sensing device (31) comprises a pair of abutting heads (311), one of the pair of abutting heads (311) is electrically connected with the power supply, and the other of the pair of abutting heads (311) is electrically connected with the indicating device (32); The printing plate (4) is provided with a pair of positioning points (41), the pair of positioning points (41) are connected with each other through a conductive medium, when each abutting head (311) abuts against the corresponding positioning point (41), the power supply can supply power to the indicating device (32) to prompt the user through the opening of the indicating device (32).

9. A method of using a printing plate positioning and hole cutting apparatus as defined in claim 6, wherein, Comprise: S1, first put a group of printing plates (4) into the storage box (611); S2, start the material moving piece driving device (613) to drive the material moving piece (612) to move close to the discharge port (6111) until one printing plate (4) falls into the discharge port (6111), then drive the feeding roller (621), the selecting roller (622) and the collecting roller (623) to rotate through the roller driving device (624), so that the printing plate (4) is close to and falls on the moving table (51), and finally drive the moving table (51) to move close to the punching device (2) through the moving table driving device (52), so that the punching device (2) can punch the printing plate (4); S3, first move the moving seat (333) along the length direction of the guide rod (332) or the slide rod (331) until the indicating device (32) displays that the sensing device (31) recognizes the positioning point (41) on the printing plate (4), and then start the punching device (2) to punch the printing plate (4). S4, first drive the mobile platform (51) to approach the material unit (62) by the mobile platform driving device (52), then drive the feeding roller (621), the selecting roller (622) and the collecting roller (623) to rotate by the roller driving device (624), so that the printing plate (4) enters into the material collecting box (63); S5, first repeat the step S2, then drive a pair of abutting pieces (54) to push the printing plate (4) to move along the length direction of the guide rod (332) by a pair of telescopic cylinders (53), and drive the printing plate (4) to move along the length direction of the slide rod (331) by the mobile platform driving device (52), so as to adjust the position of the printing plate (4) until the indicating device (32) shows that the sensing device (31) identifies the positioning point (41), then start the punching device (2) to punch the printing plate (4), and finally repeat the step S4.

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