A numerical control water transfer printing method, device, equipment and water transfer printing product

Abstract

The application provides a numerical control water transfer printing method, device and equipment and a water transfer printing product, and relates to the technical field of water transfer printing. The numerical control water transfer printing method comprises the following steps: pretreating a to-be-printed product to obtain a surface deformation rate of the to-be-printed product; pre-deforming a to-be-printed image according to the deformation rate; printing the pre-deformed to-be-printed image on a transfer paper, wherein the transfer paper comprises an image adhesion layer and a base layer, the image adhesion layer and the base layer are mutually misaligned, and the to-be-printed image is printed on the image adhesion layer; placing the transfer paper and the to-be-printed product in water respectively, pasting the image adhesion layer on the to-be-printed product, and removing the base layer by acting on the mutually misaligned points of the image adhesion layer and the base layer; and drying the to-be-printed product after the pasting step to obtain a water transfer printing product. The application solves the problem that the image is prone to deviation and deformation due to the flow of water and the different shapes of target materials in the water transfer printing process.

Description

Technical Field

[0001] This invention relates to the field of water transfer printing technology, specifically to a CNC water transfer printing method, apparatus, equipment, and water transfer printing product. Background Technology

[0002] Water transfer printing is a common image transfer technique that can be used for surface decoration of various materials. Traditional water transfer printing involves printing an image onto special water transfer paper, then immersing the paper in water, using the water pressure to transfer the image onto the target material surface.

[0003] Because the flow of water and the shape of the target material differ during water transfer printing, the image is prone to shifting and distortion. Therefore, a water transfer printing method is provided to solve the above problems. Summary of the Invention

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this invention provides a numerical control water transfer printing method, apparatus, equipment, and water transfer printing product, which solves the problem that images are prone to shifting and distortion due to differences in water flow and target material shape during the water transfer printing process.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention provides the following technical solution:

[0008] In a first aspect, a numerical control water transfer printing method, apparatus, equipment, and water transfer printing product are provided, the method comprising the following steps:

[0009] The preprocessing step involves preprocessing the product to be transferred to obtain the surface deformation rate of the product.

[0010] The pre-deformation step involves pre-deforming the image to be printed according to the deformation rate.

[0011] The printing step involves printing a pre-deformed image onto the transfer paper, which includes an image attachment layer and a base layer. The image attachment layer and the base layer are misaligned, and the image to be printed is printed on the image attachment layer.

[0012] In the pasting step, the water transfer paper and the product to be transferred are placed in water, the image attachment layer is pasted onto the product to be transferred, and the base layer is removed by applying the image attachment layer to the points where the base layer and the base layer are misaligned.

[0013] The drying step involves drying the product to be transferred after the pasting step to obtain the water transfer printed product.

[0014] Preferably, the preprocessing step specifically includes:

[0015] The scanning step involves scanning the surface of the product to be transferred to obtain the surface curvature information of the product.

[0016] The measurement step involves measuring the curvature of the surface of the product to be transferred based on the surface curvature information, thereby obtaining the surface deformation rate of the product to be transferred.

[0017] Preferably, the method further includes:

[0018] The positioning step involves fixing and positioning the product to be transferred using a fixing clamp before proceeding with the pasting step.

[0019] Preferably, the positioning step specifically includes:

[0020] A step of adding positioning points is performed by creating two positioning points on the surface of the image attachment layer.

[0021] The step of adding positioning posts involves adding two positioning posts that are adapted to the positioning points to the fixing fixture.

[0022] Preferably, the method further includes:

[0023] In the water washing step, the product to be transferred is taken out of the water in the drying step, the residual film is removed, and then the floating layer fixed on the surface of the product is washed away with clean water.

[0024] The painting step involves spraying UV varnish onto the surface of the image adhesion layer.

[0025] Preferably, the water flow rate during the water washing step is 1 m / min-1.5 m / min, and the water temperature is 22℃-27℃.

[0026] Secondly, a numerical control water transfer printing device is provided, comprising the following modules:

[0027] The preprocessing module is used to preprocess the product to be transferred and obtain the surface deformation rate of the product to be transferred.

[0028] A pre-deformation module is used to pre-deform the image to be printed according to the deformation rate.

[0029] A printing module is used to print a pre-deformed image to be printed onto the transfer paper. The water transfer paper includes an image attachment layer and a base layer. The image attachment layer and the base layer are offset from each other. The image to be printed is printed on the image attachment layer.

[0030] The adhesive module is used to place the water transfer paper and the product to be transferred in water, respectively, to adhere the image attachment layer to the product to be transferred, and to remove the base layer by acting on the points where the image attachment layer and the base layer are misaligned.

[0031] The drying module is used to dry the product to be transferred after the pasting step to obtain the water transfer product.

[0032] Preferably, the preprocessing module specifically includes:

[0033] The scanning module is used to obtain the surface curvature information of the product to be transferred by scanning the surface of the product to be transferred;

[0034] The measurement module is used to measure the curvature based on the surface curvature information of the product to be transferred, and to obtain the surface deformation rate of the product to be transferred.

[0035] Thirdly, a CNC water transfer printing device includes:

[0036] One or more processors, memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, and the one or more programs include instructions for performing any of the methods described.

[0037] Fourthly, a water transfer printing product is provided, which is obtained by the manufacturing method of the water transfer printing product.

[0038] (III) Beneficial Effects

[0039] This invention discloses a CNC water transfer printing method, apparatus, equipment, and water transfer printing product. Compared to traditional water transfer printing technology, which suffers from image deformation and distortion due to varying surface curvatures of materials during the coating process, making it difficult to control positional and dimensional accuracy, this patented technology pre-deforms the image using computer software, thereby ensuring controllable accuracy during the water transfer printing process. The use of positioning posts further enhances pattern positioning accuracy. Testing has shown that this patented technology can improve the positional and dimensional accuracy of water transfer printing by more than 50%. Attached Figure Description

[0040] Figure 1 This is a schematic diagram of the CNC water transfer printing method of the present invention;

[0041] Figure 2 This is a schematic diagram illustrating the pre-deformation of the image to be printed based on the deformation rate in the embodiment. Detailed Implementation

[0042] The technical solutions in the embodiments of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0043] Example

[0044] like Figure 1 As shown, this embodiment of the invention provides a CNC water transfer printing method, apparatus, equipment, and water transfer printing product. The method includes the following steps:

[0045] The pretreatment step involves pretreating the product to be transferred and obtaining the surface deformation rate of the product.

[0046] The pre-deformation step involves pre-deforming the image to be printed according to the deformation rate; please refer to [link / reference]. Figure 2 Specifically, the curvature of the surface is analyzed using 3D software, which falls under the category of draft angle analysis; the surface of the part is flattened (the surface is converted into a plane), and then the pattern is "folded" (the plane is converted into a surface) and flows onto the surface of the part to complete the pre-deformation process;

[0047] In the printing step, the pre-deformed image to be printed is printed onto the transfer paper. The water transfer paper includes an image attachment layer and a base layer. The image attachment layer and the base layer are misaligned with each other, and the image to be printed is printed on the image attachment layer.

[0048] In the pasting step, place the water transfer paper and the product to be transferred in water respectively, paste the image attachment layer onto the product to be transferred, and remove the base layer by applying the action on the points where the image attachment layer and the base layer are misaligned.

[0049] The drying step involves drying the product to be transferred after the pasting step to obtain the water transfer printed product.

[0050] As a further aspect of this embodiment, the preprocessing steps specifically include:

[0051] The scanning step involves scanning the surface of the product to be transferred to obtain information about the surface curvature.

[0052] The measurement steps involve measuring the curvature of the surface of the product to be transferred based on its surface curvature information, thereby obtaining the surface deformation rate of the product to be transferred.

[0053] As a further aspect of this embodiment, the method also includes:

[0054] The positioning step involves fixing and positioning the product to be transferred using a fixing clamp before proceeding with the pasting step.

[0055] As a further aspect of this embodiment, the positioning step specifically includes:

[0056] Add a positioning point step by creating two positioning points on the surface of the image attachment layer;

[0057] The step of adding positioning pins involves adding two positioning pins that are compatible with the positioning points to the fixing fixture.

[0058] As a further aspect of this embodiment, the method also includes:

[0059] In the water washing step, the product to be transferred is removed from the water during the drying step to remove the residual film, and then the floating layer attached to the product surface is washed away with clean water.

[0060] The painting step involves spraying UV varnish onto the surface of the image adhesion layer.

[0061] As a further embodiment of the scheme, the water rinsing flow rate in the water washing step is 1m / min-1.5m / min, and the water temperature is 22℃-27℃.

[0062] One embodiment of the present invention provides a numerical control water transfer printing device, comprising the following modules:

[0063] The preprocessing module is used to preprocess the product to be transferred and obtain the surface deformation rate of the product.

[0064] The pre-deformation module is used to pre-deform the image to be printed according to the deformation rate.

[0065] The printing module is used to print the pre-deformed image to be printed onto the transfer paper. The water transfer paper includes an image attachment layer and a base layer. The image attachment layer and the base layer are misaligned with each other, and the image to be printed is printed on the image attachment layer.

[0066] The pasting module is used to place the water transfer paper and the product to be transferred in water, respectively, to paste the image attachment layer onto the product to be transferred, and to remove the base layer by acting on the points where the image attachment layer and the base layer are misaligned.

[0067] The drying module is used to dry the product to be transferred after the pasting step to obtain the water transfer product.

[0068] As a further aspect of this embodiment, the preprocessing module specifically includes:

[0069] The scanning module is used to obtain the surface curvature information of the product to be transferred by scanning the surface of the product to be transferred;

[0070] The measurement module is used to measure the curvature of the surface of the product to be transferred based on the curvature information of the surface of the product to be transferred, and to obtain the surface deformation rate of the product to be transferred.

[0071] One embodiment of the present invention provides a water transfer printing product, which is manufactured according to the above-described CNC water transfer printing method.

[0072] Embodiments of this application may be provided as methods or computer program products. Therefore, this application may take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this application may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code. The solutions in the embodiments of this application may be implemented in various computer languages, such as the object-oriented programming language Java and the interpreted scripting language JavaScript.

[0073] This application is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this application. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, generate instructions for implementing the flowchart... Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0074] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1 The function specified in one or more boxes.

[0075] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0076] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

Claims

1. A numerical control water transfer printing method, characterized in that, The method includes the following steps: The preprocessing step involves preprocessing the product to be transferred to obtain the surface deformation rate of the product. The pre-deformation step involves pre-deforming the image to be printed according to the deformation rate. The printing step involves printing a pre-deformed image onto water transfer paper, which includes an image attachment layer and a base layer. The image attachment layer and the base layer are misaligned, and the image to be printed is printed on the image attachment layer. In the pasting step, the water transfer paper and the product to be transferred are placed in water, the image attachment layer is pasted onto the product to be transferred, and the base layer is removed by applying the image attachment layer to the points where the base layer and the base layer are misaligned. The drying step involves drying the product to be transferred after the pasting step to obtain the water transfer product. The preprocessing steps specifically include: The scanning step involves scanning the surface of the product to be transferred to obtain the surface curvature information of the product. The measurement step involves measuring the curvature of the surface of the product to be transferred based on the surface curvature information, thereby obtaining the surface deformation rate of the product to be transferred. The positioning step involves fixing and positioning the product to be transferred using a fixing clamp before proceeding with the pasting step. The positioning steps specifically include: A step of adding positioning points is performed by creating two positioning points on the surface of the image attachment layer. The step of adding positioning posts involves adding two positioning posts that are adapted to the positioning points to the fixing fixture. The water washing step involves removing the product to be transferred from the water before the drying step, removing any residual film, and then washing away the floating layer attached to the product surface with clean water. In the painting step, UV varnish is sprayed onto the surface of the image adhesion layer; The water rinsing process involves a water flow rate of 1 m / min to 1.5 m / min and a water temperature of 22°C to 27°C.

2. A numerical control water transfer printing device based on the numerical control water transfer printing method of claim 1, characterized in that, Includes the following modules: The preprocessing module is used to preprocess the product to be transferred and obtain the surface deformation rate of the product to be transferred. A pre-deformation module is used to pre-deform the image to be printed according to the deformation rate. A printing module is used to print a pre-deformed image to be printed onto water transfer paper, the water transfer paper including an image attachment layer and a base layer, the image attachment layer and the base layer being offset from each other, and the image to be printed being printed on the image attachment layer. The adhesive module is used to place the water transfer paper and the product to be transferred in water, respectively, to adhere the image attachment layer to the product to be transferred, and to remove the base layer by acting on the points where the image attachment layer and the base layer are misaligned. The drying module is used to dry the product to be transferred after the pasting step to obtain the water transfer product.

3. The CNC water transfer printing device according to claim 2, characterized in that: The preprocessing module specifically includes: The scanning module is used to obtain the surface curvature information of the product to be transferred by scanning the surface of the product to be transferred; The measurement module is used to measure the curvature based on the surface curvature information of the product to be transferred, and to obtain the surface deformation rate of the product to be transferred.

4. A CNC water transfer printing device, characterized in that, include: One or more processors, a memory, and one or more programs, wherein the one or more programs are stored in the memory and configured to be executed by the one or more processors, the one or more programs including instructions for performing the method according to claim 1.

5. A water transfer printing product, which is prepared according to the method described in claim 1.

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