Printing machine with temperature regulating mechanism

By introducing a temperature adjustment mechanism and a heating and drying system into the printing press, the problems of slow ink drying speed and dust pollution caused by room temperature printing are solved, and a more efficient ink drying and cleaner printing process is achieved.

CN119239147BActive Publication Date: 2025-04-25ZHEJIANG DONGHE PRINTING PACKAGING CO LTD
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Patent Information

Application Number
CN202411785994.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-12-06
Publication Date
2025-04-25
Estimated Expiration
2044-12-06

AI Technical Summary

Technical Problem

Printing at room temperature causes the ink to dry slowly, and it is prone to bad phenomena such as pitting, which affects the aesthetics and practicality of the product.

Method used

A printing press with a temperature adjustment mechanism is designed, including a printing section and a heating box, and the ink is heated and dried by a combination of a heating sheet and an air intake slot, and the ink is prevented from contaminating the ink by air flow control and adsorption of floating dust.

Benefits of technology

It improves the drying speed of ink, reduces the contact between floating dust and ink, and improves the printing quality and the appearance of the product.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention relates to the technical field of printing mechanisms, and discloses a printing machine with a temperature regulating mechanism, including a machine body, a conveyor belt on the machine body, a printing unit fixed on the machine body, used to print the product transmitted by the conveyor belt, a heating box installed on the machine body, used to heat the product after the printing, a heating component installed in the heating box, and the heating component is used to heat the product after the printing. The present invention transmits the product to the inside of the heating box, and the heating plate generates temperature to achieve ink drying. The external gas moves from the air inlet slit to the inside of the sleeve, and the circulating gas takes away the heat generated by the heating plate to a certain extent. When the temperature is high, the movement of the airflow is strengthened, and when the temperature is low, the movement of the airflow can be reduced. There is no need to change the distance between the sleeve and the product, and the floating dust generated during the product drying process can be kept adsorbed to avoid the adhesion of the floating dust to the ink, thereby improving the quality of printing.
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Description

Technical Field

[0001] The invention relates to the technical field of printing mechanisms, in particular to a printing machine with a temperature regulating mechanism. Background Art

[0002] Normal temperature printing refers to the printing process carried out at general ambient temperature. Under such conditions, the drying of the ink mainly depends on the natural volatilization of the solvent in the ink. Under normal temperature conditions, since there is no additional heating or forced ventilation to accelerate the volatilization of the solvent, the drying speed of the ink is relatively slow. In the patent number CN221292692U, entitled A Plastic Product Processing Printing Preheating Device, it is proposed that normal temperature printing usually makes it difficult for the printed ink to dry in time, and the surface of the printed plastic product is prone to pitting and other defects, resulting in poor appearance of the product and lack of practicality. Based on this, it is necessary to heat the printed ink. The product can be heated before, during or after ink printing, and the ink can be dried to a certain extent. Generally, inkjet printing ink is in a relatively humid environment. Maintaining stable indoor temperature and humidity helps reduce dust accumulation and flying, and avoids floating dust generated by products in the air. During the heating process of the product, the humidity on the product is reduced and the degree of dryness is improved. In this process, if there is floating dust on the product, it will move into the air to a certain extent. Heating before and during ink printing can easily cause the printed ink to be contaminated by floating dust. After printing, heating and adsorbing the generated floating dust can make the ink dry quickly while avoiding contact between floating dust and ink. Summary of the invention

[0003] The object of the present invention is to provide a printing machine with a temperature adjustment mechanism to solve the problems raised in the above background technology.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: A printing machine with a temperature adjustment mechanism, comprising a machine body, a conveyor belt is transmitted on the machine body, a printing unit is fixed on the machine body, and is used to print the product transmitted by the conveyor belt, a heating box is also installed on the machine body, and is used to heat the product after printing, and a heating component is installed in the heating box, and the heating component is used to heat the product after printing;

[0005] The heating component comprises a shaft sleeve, wherein a plurality of heating plates are provided inside the shaft sleeve, wherein the heating plates are used to heat the shaft sleeve, and a circumferentially distributed air inlet slit is also provided outside the shaft sleeve, wherein the air inlet slit is used to extract the gas in the heating box.

[0006] Furthermore, sliding frames are fixed on the inner walls on both sides of the heating box, end sleeves are fixed on both ends of the shaft sleeve, the outer end sleeves of the end sleeves are provided with sliding blocks slidably arranged in the sliding frames, the upper ends of the sliding blocks are fixed with support springs, and the upper ends of the support springs are fixed to the sliding frames.

[0007] Furthermore, the lower end of the sleeve is provided with a driving part for driving the sleeve to rotate, and the driving part includes a sheet metal frame fixed to the sliding block, a rotatable shaft is horizontally inserted on the sheet metal frame, the axis of the shaft is parallel to the axis of the sleeve, and a shaft wheel 1 is fixed to the outer end of the shaft, and a circle of recesses are provided on the outer side of the shaft wheel 1, and the inner wall of the recess has teeth, and a shaft wheel 2 is sleeved on the sleeve, and the inner side of the shaft wheel 2 extends into the air intake gap, and the outer side of the shaft wheel 2 also has teeth, and the teeth on the inner wall of the recess mesh with the teeth on the outer side of the shaft wheel 2, and a lower end of the shaft wheel is squeezed with the product to realize the rotation of the shaft wheel 1.

[0008] Furthermore, the inner wall of the shaft sleeve is provided with a plurality of concave layers, the plurality of concave layers and the plurality of heating plates are arranged at intervals, and the heating plates are embedded in the concave layers;

[0009] The end sleeve at one end is in a closed configuration, and the end sleeve at the other end is in a through configuration. Multiple heating plates are connected with connecting wires, and the connecting wires extend from the closed end sleeve.

[0010] Furthermore, an inner partition is provided inside the sleeve, and the inner partition is fitted with the heating plate. A stop circle is fixed at one end of the inner partition, and the stop circle is fitted to one end of the sleeve, and the diameter of the stop circle is the same as the inner diameter of the sleeve. The stop circle has holes for air intake, and the holes for air intake are connected to the through end sleeve. An extension layer is inserted in the through end sleeve, and the inner end of the extension layer is fixed to the stop circle, and the outer end of the extension layer is flush with the outer end of the through end sleeve. An outer partition is provided at the outer end of the extension layer, and the outer partition is fixed to the sliding block. A fixing plate is integrally formed inside the outer partition, and the fixing plate is fixed to the outer end of the extension layer.

[0011] Furthermore, the outer end of the outer diaphragm is tubular and is used to be connected to the suction pump, and the outer diaphragm is communicated with the interior of the penetrating end sleeve.

[0012] Furthermore, the inner partition is located at the lower end of the shaft sleeve, and the inner partition blocks an air inlet slot at the lowermost end.

[0013] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0014] 1. The product is transferred to the inside of the heating box, and the heating plate generates temperature to dry the ink. The external gas moves from the air inlet slit to the inside of the sleeve. The circulating gas takes away the heat generated by the heating plate to a certain extent. When the temperature is high, the movement of the air flow is strengthened, and when the temperature is low, the movement of the air flow can be reduced. There is no need to change the distance between the sleeve and the product, and the dust generated during the product drying process can be adsorbed to avoid the adhesion of dust and ink, thereby improving the quality of printing.

[0015] 2. The air inlet slit rotates to change the direction of gas adsorption, and will adsorb along different directions of the product, and most comprehensively adsorb the floating dust to avoid the contact between the generated floating dust and the ink. The shaft wheel can also control the gap between the sleeve and the product to ensure the adsorption effect and temperature.

[0016] 3. When the air inlet slit at the bottom of the sleeve absorbs the floating dust from bottom to top, the force exerted on the ink is the greatest, causing the ink to move along the surface of the product, making the writing or pattern unclear. The inner partition blocks it, and the suction force of the sleeve on the product gradually increases from both sides to the bottom. The suction force of the inclined and lateral air inlet slits is relatively weak and will not affect the ink. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of a partial cross-sectional structure of a heating box of the present invention;

[0020] Figure 3 It is a schematic diagram of the internal structure of the heating box of the present invention;

[0021] Figure 4 It is a schematic diagram of the structure of the heating component of the present invention;

[0022] Figure 5 This is a schematic diagram of a half-section structure of a shaft sleeve of the present invention;

[0023] Figure 6 This is a schematic diagram of the structure of the installation position of the inner partition of the present invention;

[0024] Figure 7 This is another structural schematic diagram of the installation position of the inner partition of the present invention;

[0025] Figure 8 It is a schematic diagram of the cross-sectional structure of the heating component of the present invention.

[0026] In the figure: 1. machine body; 2. conveyor belt; 3. printing part; 4. heating box; 41. sliding frame; 5. heating component; 51. bushing; 52. end sleeve; 53. air inlet slit; 54. sliding block; 541. supporting spring; 55. driving part; 551. sheet metal frame; 552. rotating shaft; 553. shaft wheel one; 554. notch; 555. shaft wheel two; 56. inner concave layer; 57. heating plate; 571. connecting wire; 58. inner partition; 581. stop circle; 582. extension layer; 583. outer partition; 584. fixing plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] See also Figure 1-Figure 8 The present invention provides a technical solution: after the ink is sprayed on the product, the product is stacked, which easily causes the ink to adhere to other positions, and the ink is also easy to be unclear, resulting in the quality of the product being affected. For this reason, the ink needs to be dried, and the indoor temperature and humidity need to be kept stable, which helps to reduce the accumulation and flying of dust and avoid the floating dust generated by the product in the air. A printing machine with a temperature adjustment mechanism is proposed, including a machine body 1, a conveyor belt 2 is transmitted on the machine body 1, the conveyor belt 2 transmits the product and sprays ink on the product, a printing part 3 is fixed on the machine body 1, and is used to print the product transmitted by the conveyor belt 2, and the product is placed On the conveyor belt 2, the spacing between each product is the same, and the position is also the same. During the product transmission process, each product is printed with ink. A heating box 4 is also installed on the machine body 1 for heating the printed product. A heating component 5 is installed in the heating box 4. The heating component 5 is used to heat the product after printing. The product after printing enters the heating component 5. The heating component 5 is connected to the printing part 3, which can reduce the risk of exposure of the printed product as much as possible, make the printed ink dry quickly, and reduce the dust adhering to the ink. During the printing process, a large amount of ink is printed to make the handwriting clearer, but it is easy for external stains to adhere to the ink;

[0029] like Figure 4As shown, the heating component 5 includes a sleeve 51, and the sleeve 51 has a plurality of heating plates 57 inside. The heating plates 57 are used to heat the sleeve 51. The sleeve 51 is also provided with circumferentially distributed air inlet slits 53 on the outside. The air inlet slits 53 are used to extract the gas in the heating box 4. The air inlet slits 53 allow the gas to move from the outside to the sleeve 51, and absorb the gas with a certain humidity from the outside to the inside, so as to avoid the dust on the heated product from adhering to the ink, and make the dust move to the sleeve 51 with the gas. In addition, the heating plate 57 dries the ink during heating, and the gas moves from the air inlet slits 53, which is relatively to the movement of the gas around the heating plate 57, and can also achieve a certain degree of cooling effect. The gas size is used for cooling to avoid the temperature of the heating plate 57 being too high. Compared with other cooling methods, the air inlet slits 53 can both cool down and avoid the dust from adhering to the ink.

[0030] like Figure 3 As shown, sliding frames 41 are fixed on the inner walls on both sides of the heating box 4, end sleeves 52 are fixed on both ends of the shaft sleeve 51, and the outer ends of the end sleeves 52 are provided with sliding blocks 54 slidably set in the sliding frames 41. A supporting spring 541 is fixed to the upper end of the sliding block 54, and the upper end of the supporting spring 541 is fixed to the sliding frame 41. Under the support of products with different thicknesses, the heating component 5 can move up and down, so that the gap between the heating component 5 and the product is the same, thereby avoiding the heating component 5 from changing the gap with the product.

[0031] like Figure 4 As shown, the lower end of the sleeve 51 is provided with a driving part 55 for driving the sleeve 51 to rotate, and the driving part 55 includes a sheet metal frame 551 fixed to the sliding block 54, and a rotatable shaft 552 is horizontally inserted on the sheet metal frame 551, and the axis of the shaft 552 is parallel to the axis of the sleeve 51. A shaft wheel 1 553 is fixed to the outer end of the shaft 552, and a circle of notches 554 is provided on the outer side of the shaft wheel 1 553, and the inner wall of the notch 554 has teeth. A shaft wheel 2 555 is sleeved on the sleeve 51, and the inner side of the shaft wheel 2 555 extends into the air inlet gap 53. The outer side of the shaft wheel 2 555 also has teeth, and the teeth on the inner wall of the notch 554 mesh with the teeth on the outer side of the shaft wheel 2 555. The lower end of wheel 1 553 is pressed against the product to realize the rotation of shaft wheel 1 553. Shaft wheel 1 553 rotates along the product, driving shaft wheel 2 555 to rotate as well, causing the shaft sleeve 51 to rotate and the air intake slit 53 to rotate, changing the position of the air intake, and absorbing the gas inward in a large range. Shaft wheel 1 553 and shaft wheel 2 555 can change their positions laterally, so that shaft wheel 1 553 and shaft wheel 2 555 avoid contacting the position with ink on the product, so that shaft wheel 1 553 and shaft wheel 2 555 can achieve the driving function and avoid the adhesion of ink. In addition, the diameter of shaft wheel 1 553 is the distance between the shaft sleeve 51 and the product, avoiding the shaft sleeve 51 and the product being too close or too far.

[0032] like Figure 5As shown, the inner wall of the sleeve 51 is provided with a plurality of concave layers 56, and the plurality of concave layers 56 and the plurality of heating plates 57 are arranged at intervals, and the heating plates 57 are embedded in the concave layers 56, so that the air intake slit 53 can contact the heating plates 57 when air is taken in;

[0033] The end sleeve 52 at one end is closed, and the end sleeve 52 at the other end is through-set. The plurality of heating plates 57 are all connected with connecting wires 571 , which extend from the closed end sleeve 52 , so that the heating plates 57 can achieve heating.

[0034] like Figure 6 As shown, the shaft sleeve 51 is further provided with an inner partition plate 58 inside, and the inner partition plate 58 is fitted with the heating plate 57, and a stop circle 581 is fixed at one end of the inner partition plate 58, and the stop circle 581 is fitted to one end of the shaft sleeve 51, and the diameter of the stop circle 581 is the same as the inner diameter of the shaft sleeve 51, and the stop circle 581 has an air intake hole, and the air intake hole is connected with the through end sleeve 52, and an extension layer 582 is inserted into the through end sleeve 52, and the inner end of the extension layer 582 is fixed with the stop circle 581, and the outer end of the extension layer 582 is flush with the outer end of the through end sleeve 52, and an outer spacer 583 is provided at the outer end of the extension layer 582, and the outer spacer 583 is fixed with the sliding block 54, and the inner end of the outer spacer 583 is provided with a spacer 583. A fixing plate 584 is integrally formed on the part, and the fixing plate 584 is fixed to the outer end of the extension layer 582. Under the action of the inner partition plate 58, the lowermost air inlet slit 53 is blocked to avoid air intake through the lowermost air inlet slit 53 as much as possible, and to avoid gas transmission from bottom to top. Since the lowermost end of the sleeve 51 is closest to the ink, when the lowermost air inlet slit 53 inhales air, it is easy for the gas to move from both sides toward the middle, and then be sucked upward by the lowermost air inlet slit 53. The gas moving from the upper end surface of the product toward the middle is easy to cause floating dust to move along the upper end surface of the product, and cause the floating dust to contact with the ink. Therefore, the lowermost air inlet slit 53 needs to be blocked.

[0035] like Figure 7 As shown, the outer end of the outer spacer 583 is tubular, which is used to connect with the suction pump. The outer spacer 583 is connected with the inside of the end sleeve 52 that penetrates. Under the action of the air pump, air is sucked outwards, so that the air inlet slit 53 is sucked inwards.

[0036] like Figure 8 As shown, the inner partition 58 is located at the lower end of the shaft sleeve 51, and the inner partition 58 blocks an air intake slit 53 at the lower end. When air is taken in, the air intake slit 53 at the lower end is blocked.

[0037] The working principle of the present invention is as follows: the product transmitted from the transmission belt 2 first passes through the printing part 3 to print the product, and then is transmitted to the inside of the heating box 4 to heat the ink until it is dry, thereby completing the processing of the product;

[0038] When the product is transmitted to the interior of the heating box 4, the sleeve 51 rotates, the heating plate 57 generates temperature, heats the sleeve 51, and the product transmitted at the lower end is also heated to dry the ink. Secondly, the gas is extracted from the through end sleeve 52, so that the external gas moves from the air inlet slit 53 toward the inside of the sleeve 51, and moves outward along the through end sleeve 52. The gas movement is operated by an air suction pump, and the circulating gas takes away the heat generated by the heating plate 57 to a certain extent, so as to control the generated temperature. When the temperature is high, the movement of the air flow is strengthened, and when the temperature is low, the movement of the air flow can be reduced, so that the ink drying is controlled within a certain degree. There is no need to change the distance between the sleeve 51 and the product, and the floating dust generated during the product drying process can be adsorbed to avoid the adhesion of floating dust to ink, thereby improving the printing quality.

[0039] Secondly, the shaft wheel 1 553 is driven to rotate by the movement of the product, so that the shaft wheel 2 555 is also rotated, and the shaft sleeve 51 is rotated. During the rotation of the shaft sleeve 51, the air inlet slit 53 changes the direction of gas adsorption as it rotates, and adsorbs the gas along different directions of the product, and adsorbs the floating dust most comprehensively to avoid the contact between the generated floating dust and the ink. At the same time, the shaft wheel 1 553 can also control the gap between the shaft sleeve 51 and the product to ensure the adsorption effect and the temperature. The shaft wheel 1 553 and the shaft wheel 2 555 can slide horizontally to different positions to avoid contact with the ink.

[0040] The lowermost end of the sleeve 51 is the end closest to the product. When the ink has a certain thickness during printing, the air inlet slit 53 at the lowermost end of the sleeve 51 absorbs the floating dust from bottom to top, and the force exerted on the ink is the greatest. The ink is easily moved along the product under the action of suction. As the product is transmitted, the ink moves back under the action of suction, which will cause the ink to move along the surface of the product, making the writing or pattern unclear. For this purpose, a non-rotatable inner partition 58 is required to block it. The suction of the sleeve 51 on the product gradually increases from both sides to the lowermost end, and the suction of the inclined and lateral air inlet slits 53 is relatively weak and will not affect the ink.

[0041] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A printing machine with a temperature regulating mechanism, comprising a machine body (1), a conveyor belt (2) being carried on the machine body (1), a printing unit (3) being fixed on the machine body (1) for printing products conveyed by the conveyor belt (2), and a heating box (4) being installed on the machine body (1) for heating the printed products, characterized in that: A heating component (5) is installed in the heating box (4), and the heating component (5) is used to heat the product after printing; The heating component (5) comprises a shaft sleeve (51), the shaft sleeve (51) has a plurality of heating plates (57) inside, the heating plates (57) are used to heat the shaft sleeve (51), and the shaft sleeve (51) is also provided with circumferentially distributed air inlet slits (53) on the outside, the air inlet slits (53) are used to extract gas from the heating box (4); A driving part (55) for driving the shaft sleeve (51) to rotate is provided at the lower end of the shaft sleeve (51), and the driving part (55) comprises a sheet metal frame (551) fixed to the sliding block (54), a rotatable shaft (552) is transversely inserted on the sheet metal frame (551), the axis of the shaft (552) is parallel to the axis of the shaft sleeve (51), and a shaft wheel (553) is fixed to the outer end of the shaft (552), and the outer side surface of the shaft wheel (553) is A circle of notches (554) is provided, the inner wall of the notches (554) has teeth, a shaft wheel (555) is sleeved on the shaft sleeve (51), the inner side of the shaft wheel (555) extends into the air inlet slit (53), the outer side of the shaft wheel (555) also has teeth, the teeth on the inner wall of the notches (554) mesh with the teeth on the outer side of the shaft wheel (555), the lower end of the shaft wheel (553) is pressed against the product, so that the shaft wheel (553) rotates.

2. The printing press with a temperature regulating mechanism according to claim 1, characterized in that: Sliding frames (41) are fixed on the inner walls of both sides of the heating box (4), end sleeves (52) are fixed on both ends of the shaft sleeve (51), and the outer end sleeves of the end sleeves (52) are provided with sliding blocks (54) slidably arranged in the sliding frames (41), and the upper ends of the sliding blocks (54) are fixed with support springs (541), and the upper ends of the support springs (541) are fixed to the sliding frames (41).

3. The printing press with a temperature regulating mechanism according to claim 2, characterized in that: The inner wall of the shaft sleeve (51) is provided with a plurality of concave layers (56), the plurality of concave layers (56) and the plurality of heating plates (57) are arranged at intervals, and the heating plates (57) are embedded in the concave layers (56); The end sleeve (52) at one end is closed, and the end sleeve (52) at the other end is through-set. The plurality of heating plates (57) are all connected with connecting wires (571), and the connecting wires (571) extend from the closed end sleeve (52).

4. The printing press with a temperature regulating mechanism according to claim 3, characterized in that: An inner partition (58) is further provided inside the shaft sleeve (51), the inner partition (58) being fitted with the heating plate (57), a retaining circle (581) being fixed at one end of the inner partition (58), the retaining circle (581) being fitted to one end of the shaft sleeve (51), and the diameter of the retaining circle (581) being the same as the inner diameter of the shaft sleeve (51), the retaining circle (581) having an air intake hole, the air intake hole being in communication with the penetrating end sleeve (52), and the end sleeve (52) penetrating therethrough having an inner portion thereof. An extension layer (582) is inserted, the inner end of the extension layer (582) is fixed to the stop circle (581), the outer end of the extension layer (582) is flush with the outer end of the end sleeve (52) passing through, the outer end of the extension layer (582) is provided with an outer spacer (583), the outer spacer (583) is fixed to the sliding block (54), and a fixing plate (584) is integrally formed inside the outer spacer (583), and the fixing plate (584) is fixed to the outer end of the extension layer (582).

5. The printing press with a temperature regulating mechanism according to claim 4, characterized in that: The outer end of the outer septum (583) is tubular and is used to be connected to the suction pump. The outer septum (583) is in communication with the interior of the penetrating end sleeve (52).

6. The printing press with a temperature regulating mechanism according to claim 5, characterized in that: The inner baffle (58) is located at the lower end of the shaft sleeve (51), and the inner baffle (58) blocks an air inlet slit (53) at the lower end.

Citation Information

Patent Citations

  • Preheating device for plastic product processing and printing

    CN221292692U

  • Equipment for rapidly drying printing ink for printing

    CN218054483U

  • omitted

    KR1020130110695A