A fully automatic plate proofreading system for hot stamping

Abstract

The present invention discloses a full-automatic plate proofreading system for hot stamping, including a three-dimensional image positioning module, which is used to determine the position of the hot stamping plate in the X and Y axis directions, and to determine the distance between the hot stamping plate and the product surface in the Z axis direction; a temperature control module, which is used to provide the preset temperature required by the hot stamping plate and keep it unchanged; an electromagnetic plate locking module, which uses multiple electromagnetic suction cups, and is used to adsorb and fix the hot stamping plate after the hot stamping plate is placed in the corresponding position; a one-key overprinting module, which is used to operate the one-key overprinting, and outputs a control signal to the controller of each electromagnetic suction cup of the electromagnetic plate locking module according to the positioning signal of the product obtained by the three-dimensional image positioning module, so that the electromagnetic suction cup makes a position movement adjustment according to the control signal, and realizes accurate overprinting. The present invention can realize fast locking of the hot stamping plate, and can be positioned according to the three-dimensional image positioning module, so that the electromagnetic suction cup makes a position movement adjustment according to the control signal, realizes accurate overprinting, and is fully automated, reducing labor costs.

Description

Technical Field

[0001] The invention relates to the technical field of plate proofreading systems, and in particular to a full-automatic plate proofreading system for hot stamping. Background Art

[0002] The current process of plate setting and proofreading of flat-press hot stamping machine is as follows: Step 1: clamp the alignment film at the bite and cover it on the hot stamping plate; Step 2: move the hot stamping plate by hand to the position just below the image and text of the film to complete the preliminary positioning of the hot stamping plate. Step 3: lock the hot stamping plate on the honeycomb bottom plate by the locking screw. Step 4: push the bottom plate into the hot stamping machine heating zone, wait for the temperature to rise to the preset value, adjust the appropriate pressure, start the equipment and take the product for trial hot stamping. Step 5: take the trial hot stamping product to compare the film and check the accuracy of the hot stamping position. If the alignment is not accurate, mark the product, then pull out the honeycomb bottom plate from the heating zone of the equipment, find the corresponding hot stamping plate, loosen and tighten the locking screws, and readjust the position. Step 6: If the overprint is not accurate, repeat the fifth step until all the hot stamped images and texts are consistent with the film position. The plate setting and proofreading work is completed.

[0003] The above-mentioned proofreading system has the following problems:

[0004] The hot stamping and plate mounting process takes a long time. Each plate needs to be locked and fixed with more than four locking screws and tightened by hand, which is laborious and time-consuming. When proofreading the position, the base plate must be repeatedly pulled out for adjustment, which is time-consuming, inefficient, and results in high heat energy loss. At the same time, the overprinting accuracy is largely limited by experience. Summary of the invention

[0005] The purpose of the present invention is to provide an automated hot stamping and fully automatic proofreading system in view of the technical defects existing in the prior art.

[0006] The technical solution adopted to achieve the purpose of the present invention is:

[0007] A hot stamping fully automatic proofreading system, comprising:

[0008] The three-dimensional image positioning module is used to determine the position of the hot stamping plate in the X and Y axis directions, and the distance between the hot stamping plate and the product surface in the Z axis direction;

[0009] The temperature control module is used to provide the preset temperature required by the hot stamping plate and keep it constant;

[0010] The electromagnetic locking module uses multiple electromagnetic suction cups to fix the hot stamping plate after it is placed in the plate loading or plate calibration position;

[0011] The one-key overprint module is used to operate one-key overprint on the computer after the preparation work is ready. According to the positioning signal of the product obtained by the three-dimensional image positioning module, the control signal is output and transmitted to the controller of each electromagnetic suction cup of the electromagnetic locking module, so that the electromagnetic suction cup makes position movement adjustment according to the control signal and aligns with the product to achieve accurate overprinting.

[0012] The hot stamping fully automatic proofreading system of the present invention can realize fast locking of the hot stamping plate, and can perform positioning according to the three-dimensional image positioning module, so that the electromagnetic suction cup can make position movement adjustment according to the control signal, realize fast alignment with the standard template, realize accurate overprinting, fully automate operation, and reduce labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of the hot stamping full-automatic proofreading system of the present invention.

[0014] Figure 2 It is a schematic diagram of the electromagnetic chuck adsorption and three-dimensional positioning image positioning of the present invention.

[0015] Figure 3 Schematic diagram of the electromagnetic chuck of the present invention.

[0016] Figure 4 FIG. 4 is another schematic diagram of the electromagnetic chuck of the present invention.

[0017] Figure 5 It is a schematic diagram of the graphic part of the hot stamping plate of the present invention.

[0018] Figure 6 It is a schematic diagram of the graphic part of the hot stamping plate of the present invention being sucked onto the electromagnetic sucker.

[0019] Figure 7 It is an operation flow chart of the hot stamping fully automatic proofreading system of the present invention. DETAILED DESCRIPTION

[0020] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] {Term explanation} Fully automatic plate correction refers to intelligent control and adjustment, which can complete accurate overprinting in one go, without the need to manually loosen the plate locking screws repeatedly to adjust the position of the hot stamping plate.

[0022] like Figure 1 As shown, the hot stamping automatic proofreading system of the embodiment of the present invention is a highly integrated intelligent control system, and the system includes the following modules:

[0023] The three-dimensional image positioning module 1 is used to determine the position of the hot stamping plate 4 in the X and Y axis directions, and to determine the distance between the hot stamping plate and the product surface in the Z axis direction.

[0024] The temperature control module is used to provide the preset temperature required by the hot stamping plate and keep it constant.

[0025] The electromagnetic locking plate module uses multiple electromagnetic suction cups to absorb and fix the hot stamping plate after it is placed in the corresponding position using electromagnetic suction cup technology.

[0026] The one-key overprint module is used to operate one-key overprint on the computer after the preparation work is ready. According to the positioning signal obtained by the three-dimensional image positioning module, the output control signal is transmitted to the controller of each electromagnetic suction cup of the electromagnetic locking module, so that the electromagnetic suction cup makes position movement adjustment according to the control signal to achieve accurate overprinting.

[0027] In the embodiment of the present invention, an electromagnetic plate locking module is provided, so there is no need to manually turn the plate locking screws to fix the hot stamping plate. The control system controls the movement of the electromagnetic disk according to the three-dimensional image positioning signal to adjust the position of the hot stamping plate so that the position of the hot stamping plate is adjusted to a predetermined position to facilitate processing.

[0028] There can be four electromagnetic chucks arranged in a rectangular shape on the mounting surface 100 of the plate mounting area, that is, the center points of the four electromagnetic chucks are connected in a circular line from end to end to form a rectangle, such as Figure 2 As shown, the three-dimensional image positioning module 1 uses a three-dimensional image camera, which can be two diagonally arranged on the installation surface 100 of the plate mounting area.

[0029] When in use, place the hot stamping plate under the electromagnetic chuck 6, and energize the electromagnetic chuck with the corresponding number, so that the electromagnetic chuck generates magnetic force to firmly hold the hot stamping plate. Repeat this operation until all the hot stamping plates are installed.

[0030] In the embodiment of the present invention, preferably, the temperature control module adopts a heating belt or a heating sheet 8, which is wound around the fixing column 7 of the electromagnetic suction cup to achieve the heating function required for the hot stamping plate.

[0031] Among them, in the plate loading area or the plate proofing area, the position of the electromagnetic suction cup corresponds to the position of the graphic part of the hot stamping plate. When the hot stamping plate is placed, the corresponding part of the hot stamping plate can be positioned and adsorbed. The electromagnetic suction cup is installed on a movable and adjustable electromagnetic suction cup adjustment device or mechanism, and can be controlled to adjust the position or angle on X, Y, and Z to achieve overprint alignment with the product.

[0032] Among them, as an optional embodiment, the surface of the electromagnetic suction cup has a protrusion 11 for positioning, and the surface of the graphic part of the hot stamping plate has a corresponding positioning hole or positioning groove 10. When the electromagnetic suction cup is used for adsorption, the protrusion extends into the positioning hole or positioning groove to achieve positioning adsorption.

[0033] In particular, when the embodiment of the present invention is used, when making a hot stamping plate, the graphic part of the hot stamping plate can be made of a 3mm copper plate 9, with a 3mm iron plate underneath, fixed with rivets to form a double-layer structure, such as Figure 5 As shown, the material cost is reduced, and the positioning hole or positioning groove 10 is located on the surface of the iron plate. When the steel plate is sucked by the electromagnetic chuck, the steel plate does not contact the electromagnetic chuck, and the iron plate contacts the electromagnetic chuck. Figure 6 shown.

[0034] When performing overprinting, the following steps are performed:

[0035] A. Input the registration film file, trace the large-scale hot stamping product on the machine, and the system completes the registration of the film file and the product. Each image and text will automatically generate a set of coordinate values ​​in the system. All the coordinate values ​​together form a standard registration template, which can be edited and stored with the corresponding name for easy call in the subsequent second production.

[0036] B. The three-dimensional image positioning module collects the horizontal and vertical coordinates (X and Y axes) of the current position of the hot stamping plate, and converts the coordinate value into an electronic signal and transmits it to the control system. The control system compares the hot stamping plate position signal with the standard template position signal, generates a compensation signal and transmits it to the adjustment control device of the electromagnetic chuck. The adjustment control device will control the corresponding mechanical transmission system of the electromagnetic chuck through the signal, adjust the position of the hot stamping plate to achieve alignment with the standard template position, and prepare for accurate overprinting.

[0037] The specific operation process of the plate loading in the embodiment of the present invention is as follows:

[0038] S1: Input the alignment film file into the system as the template for the standard alignment of the hot stamping plate.

[0039] S2: Install the hot stamping plate onto the electromagnetic suction cup with the corresponding number, turn on the signal switch, and generate magnetic force to fix the hot stamping plate after power is turned on.

[0040] S3: Start the one-key overprint function, and complete the precise overprinting of the hot stamping plate and the product position through the system's automatic image positioning recognition and signal control transmission.

[0041] The plate proofreading system of the embodiment of the present invention has a fast and efficient plate loading process. Through experiments, taking 50mm*50mm hot stamping plates as an example, 20 plates were installed for experimental comparison. It took 2 hours for a captain with more than 3 years of experience to install the plates using the current plate loading method. It took 20 minutes for a trained ordinary worker to install 20 plates using the hot stamping fully automatic proofreading system.

[0042] The plate calibration system of the embodiment of the present invention can adjust the position and pressure quickly and accurately, and is convenient and energy-saving. Through experiments, taking a 50mm*50mm hot stamping plate as an example, 20 hot stamping plates were overprinted and the pressure effect was adjusted. It took 6 hours for a hot stamping machine operator with more than 3 years of experience. It took 1 hour for a trained ordinary worker to use the hot stamping automatic plate calibration system. It saves 5 hours of heating energy.

[0043] The proofreading system of the embodiment of the present invention is limited by experience, saves labor costs, and lowers the recruitment threshold. Currently, traditional hot stamping captains are increasingly in short supply, and even a gap is emerging. Through the hot stamping automatic proofreading system of the embodiment of the present invention, ordinary workers can be upgraded and optimized. After simple training, they can become hot stamping captains after learning to operate the equipment. The original traditional experience-based technical positions are popularized, solving the problem of difficulty in recruiting workers and high labor costs.

[0044] The hot stamping fully automatic proofreading system of the embodiment of the present invention can quickly load the plate, reducing the time for locking the screws of each plate; it can automatically proofread the position without repeatedly pulling out the base plate to adjust the position, with high efficiency, short time and low heat energy loss; high-definition image positioning ensures high overprinting accuracy, is not affected by experience, lowers the job experience threshold, and truly realizes the transformation from traditional experience-based jobs to smart fool-proof jobs.

[0045] The proofreading system of the embodiment of the present invention can be applied to flat-press flat hot stamping equipment, round-press flat hot stamping equipment, and round-press round hot stamping equipment. In addition to being applied to hot stamping processes, it can also be applied to embossing, embossing, and die-cutting processes.

[0046] The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention.

[0047] Therefore, no matter from which point of view, the embodiments should be regarded as illustrative and non-restrictive, and the scope of the present invention is limited by the appended claims rather than the above description. Therefore, it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure signs in the claims should not be regarded as limiting the claims involved.

[0048] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. Fully automatic proofreading system for hot stamping, characterized by: include: The three-dimensional image positioning module is used to determine the position of the hot stamping plate in the X and Y axis directions, and the distance between the hot stamping plate and the product surface in the Z axis direction; The temperature control module is used to provide the preset temperature required by the hot stamping plate and keep it constant; the temperature control module uses a heating belt or a heating sheet, which is wound around the fixed column of the electromagnetic chuck to achieve the heating function required by the hot stamping plate; The electromagnetic locking plate module adopts a plurality of electromagnetic suction cups, which are used to fix the hot stamping plate after the hot stamping plate is placed in the plate loading or plate correction position; the position of the electromagnetic suction cup corresponds to the position of the graphic part of the hot stamping plate, the surface of the electromagnetic suction cup has a convex part for positioning, and the surface of the graphic part of the hot stamping plate has a corresponding positioning hole or positioning groove, when the electromagnetic suction cup is used for adsorption, the convex part extends into the positioning hole or positioning groove to realize positioning adsorption; One-key overprint module is used to operate one-key overprint on the computer after the preparation work is ready. According to the positioning signal of the product obtained by the three-dimensional image positioning module, the control signal is output and transmitted to the controller of each electromagnetic suction cup of the electromagnetic locking module, so that the electromagnetic suction cup makes position adjustment according to the control signal and aligns with the product to achieve accurate overprinting; The graphic part of the hot stamping plate is made of copper plate, with an iron plate embedded underneath, fixed with rivets to form a double-layer structure; the positioning holes or positioning grooves are formed on the outer surface of the iron plate.

Images