Inflatable foil impressing roller

Abstract

The utility model discloses an inflatable foil impressing roller. The inflatable foil impressing roller comprises a central shaft part and an inflatable structure arranged on the periphery of the central shaft part, the surface of the inflatable structure is an impressing surface of the impressing roller, the central shaft part is used for bearing the inflatable structure, and the inflatable structure forms an inflatable cylinder surrounding the central shaft part after being inflated; the inflatable structure is provided with a limiting fixing ring used for being arranged on the inflatable column in a sleeving mode, and the effective breadth of the stamping face of the inflatable structure for stamping the foil can be adjusted due to the different sleeving positions of the limiting fixing ring on the inflatable structure. And the width of a contact line for impressing the foil material by the impressing surface can be changed due to the difference of the inflation degrees of the inflatable structure. According to the utility model, appropriate and effective imprinting conditions for different foils to be imprinted can be formed by adjusting the effective imprinting breadth and the imprinting contact line width.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery foil printing technical field, concretely relates to a inflatable foil pressure printing roller. BACKGROUND

[0002] In continuous gravure printing, when carrying out gravure coating on long foils, in order to promote the full contact between the coated foil and the gravure roller, make the coating on the gravure roller more fully and uniformly transferred to the foil, and achieve better coating effect, rubber roller is used to press down the foil to make the two closely contact.

[0003] The contact tightness degree of the foil and the gravure roller depends on the pressing force and the pressing area provided by the rubber roller. Under the existing technical conditions, the pressing area is generally controlled by using different rubber materials to change the hardness of the rubber roller and adjusting the effective width of the rubber roller. This method requires replacing the rubber roller with different materials or different effective widths when different pressing areas are required, resulting in high material cost of preparing the rubber roller and high time cost of replacing the rubber roller. SUMMARY

[0004] The utility model aims at providing a inflatable foil pressure printing roller, through change the inflation amount adjusts the effective width and hardness of pressure printing roller, to adapt to different foil products.

[0005] An inflatable foil pressure printing roller, comprising a center shaft part and an inflatable structure arranged on the outer periphery of the center shaft part;

[0006] The surface of the inflatable structure is the pressure printing surface of the pressure printing roller, the center shaft part is used for bearing the inflatable structure, and the inflatable structure forms an inflatable column around the center shaft part after being inflated;

[0007] The inflatable structure is provided with a limiting fixing ring for being sleeved on the inflatable column, and the limiting fixing ring can adjust the effective width of the pressure printing surface of the inflatable structure for pressing the foil by sleeving on different positions of the inflatable structure;

[0008] The different inflation degrees of the inflatable structure can change the line width of the contact line of the pressure printing surface of the inflatable structure for pressing the foil.

[0009] To optimize the above technical scheme, the specific measures taken also include:

[0010] The limiting fixing ring can make the sleeving position of the inflatable structure tightly deformed, the parts not affected by the deformation of the limiting fixing ring are inflated as effective pressure printing areas, and the axial length of the effective pressure printing areas is the effective width of the pressure printing roller for pressing the foil.

[0011] The inflatable structure has a gas cavity in the inflation, and the inflatable structure is provided with inflation and deflation valves communicating with the gas cavity.

[0012] Further, the inflatable structure is formed by an elastic layer connected to the central shaft part, and two ends of the elastic layer are in air-tight connection with the central shaft part; the gas cavity is a cavity formed between the central shaft part and the elastic layer.

[0013] Further, the central shaft part is internally provided with an inflation channel in communication with the gas cavity, and the side wall of the central shaft part is provided with a plurality of through holes in communication with the inflation channel in the central shaft part and the gas cavity between the central shaft part and the elastic layer.

[0014] Further, one end of the central shaft part is provided with an inflation valve, and the wall surface of the elastic layer is provided with a deflation valve.

[0015] As preferred, the elastic layer is a rubber layer.

[0016] In some schemes, the limiting fixing ring is one, and the inflation bulging surface between the sleeving position of the limiting fixing ring and one end of the inflatable column is the effective printing area.

[0017] In another scheme, the limiting fixing ring is two, and the inflation bulging surface between the sleeving positions of the two limiting fixing rings is the effective printing area.

[0018] Further, the central shaft part is further connected to a machine table providing power.

[0019] Compared with the prior art, the inflatable foil printing roller has the beneficial effects that:

[0020] The inflatable foil printing roller can adjust the effective width and hardness of the foil printing by setting the limiting fixing ring and changing the inflation amount, different effective widths can adapt to products with different foil widths, and different hardnesses can change the contact line width of the foil and the plate roller.

[0021] The inflatable foil printing roller adjusts the effective width of the printing and the line width of the printing contact line to form suitable and effective printing conditions for different foils to be printed, and the printing roller does not need to be frequently replaced due to different foils, so that the printing roller does not need to be specially customized, the time for replacing the printing roller during the change of the foil product is saved, and the adjustment process of the printing conditions of the inflatable foil printing roller is convenient.

[0022] The scheme of the inflatable foil printing roller can effectively improve the work efficiency and save the cost. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The cross-sectional structure schematic view of the inflatable foil printing roller.

[0024] Figure 2: A partial cross-sectional structural diagram of an inflatable foil embossing roller of the present invention.

[0025] Figure 3 : A structural diagram of an inflatable foil embossing roller provided with a limiting fixing ring according to the present invention.

[0026] Figure 4 : Schematic diagram of invalid area and effective imprinting area.

[0027] In the figure: 1-central axis, 2-inflatable cylinder, 3-inflatable structure, 4-limiting fixing ring, 5-inflating valve, 6-deflation valve, 7-effective stamping area, 8-ineffective area. DETAILED DESCRIPTION

[0028] The above contents of the present invention are further described in detail below in the form of embodiments, but this should not be understood as the scope of the above subject matter of the present invention being limited to the following embodiments. All technologies implemented based on the above contents of the present invention belong to the scope of the present invention.

[0029] The utility model provides an inflatable foil embossing roller, comprising a central axis 1 and an inflatable structure 3 arranged on the periphery of the central axis 1; the surface of the inflatable structure 3 is the embossing surface of the embossing roller, the central axis 1 is used to carry the inflatable structure 3, and the inflatable structure 3 forms an inflatable column 2 surrounding the central axis 1 after inflation, such as Figure 1 、 2 shown.

[0030] In some embodiments, the central shaft portion 1 is further connected to a machine that provides power, so that the power of the machine is transmitted to the embossing roller.

[0031] On the one hand, the inflatable structure 3 is equipped with a limiting fixing ring 4 for being mounted on the inflatable column 2. Different mounting positions of the limiting fixing ring 4 on the inflatable structure 3 can adjust the effective width of the stamping surface of the inflatable structure 3 for stamping the foil.

[0032] Specifically, the limiting fixing ring 4 has a fixed diameter, and the limiting fixing ring 4 is mounted on the inflatable column 2 formed by the inflatable structure 3, and is used to limit the diameter of the inflatable column 2 at the position where the limiting fixing ring 4 is mounted. Figure 3 、 4 shown.

[0033] The limiting fixing ring 4 can tighten and deform the sleeve position of the inflatable structure 3, and the part not affected by the deformation of the limiting fixing ring 4 is inflated to form an effective embossing area 7. The axial length of the effective embossing area 7 is the effective width of the embossing roller for embossing the foil.

[0034] On the other hand, the inflation degree of the inflatable structure can change the contact line width of the embossing surface of the inflatable structure to the foil.

[0035] Specifically, the inflatable structure 3 has a gas cavity in the inflated state, and the inflatable structure 3 is provided with an inflation and deflation valve 6 communicating with the gas cavity; in some embodiments, the inflation and deflation valve 6 can be provided in the same structure or separately; preferably, the inflation valve 5 and the deflation valve 6 are separately provided, which is more convenient for adjustment and control.

[0036] In some embodiments, the inflatable structure 3 is formed by an elastic layer connected to the central shaft part 1, and the two ends of the elastic layer are airtight connected to the central shaft part 1; the gas cavity is a cavity formed between the central shaft part 1 and the elastic layer; by inflating the gas cavity between the central shaft part 1 and the elastic layer, the elastic layer is inflated.

[0037] In some embodiments, the central shaft part 1 is provided with an inflation channel communicating with the gas cavity; the side wall of the central shaft part 1 is provided with a plurality of through holes, and the through holes communicate the inflation channel in the central shaft part 1 with the gas cavity between the central shaft part 1 and the elastic layer. One end of the central shaft part 1 is provided with an inflation valve 5, and the wall surface of the elastic layer is provided with a deflation valve 6. Thus, the inflation degree of the inflatable structure 3 can be adjusted and controlled by the inflation valve 5 provided on the central shaft part 1 and the deflation valve 6 provided on the elastic layer, and the desired embossing adjustment can be obtained.

[0038] In some embodiments, the limiting and fixing ring 4 is one, and the inflation and inflation surface between the sleeving position of the limiting and fixing ring 4 and one end of the inflation column 2 is the effective embossing area 7.

[0039] In some embodiments, the limiting and fixing ring 4 is two, and the inflation and inflation surface between the sleeving positions of the two limiting and fixing rings 4 is the effective embossing area 7.

[0040] The utility model will be further described in detail in combination with specific embodiments:

[0041] An inflatable foil embossing roller, taking the central shaft part 1 as the base body, the central shaft part 1 including a shaft, a bearing and a mounting and fixing part, the shaft connecting a machine table through the bearing and the mounting and fixing part, used for bearing the inflatable structure 3 and conducting the power of the embossing roller rotation; the inflatable structure 3 is formed by a rubber layer connected to the central shaft part 1, and the two ends of the rubber layer are airtight connected to the central shaft part 1, a gas cavity is formed between the central shaft part 1 and the rubber layer, and the rubber layer is inflated by inflating the gas cavity.

[0042] The center shaft part 1 is provided with an inflation valve 5 at one end, the inflation valve 5 is connected with a gas passage arranged inside, gas outlets are uniformly distributed on the center shaft part 1, the inflation valve 5 adopts a spring switch, and during inflation, when the gas pressure rises, the gas pushes the valve core of the inflation valve 5 to inflate; a plurality of through holes are distributed on the side wall of the center shaft part 1, the through holes are connected with the inflation passage in the center shaft part 1 and the gas cavity between the center shaft part 1 and the elastic layer, the gas reaches the gas cavity between the center shaft part 1 and the rubber layer from the through holes distributed on the side wall of the center shaft part 1, the rubber layer is inflated and swells to form an inflation column 2, and the inflation column 2 is sleeved with a limiting fixing ring 4; in the area fixed by the limiting fixing ring 4, due to the rigid fixation of the limiting fixing ring 4, the diameter of the area cannot be increased, a diameter gradient is formed with the inflation swelling area, and an invalid area 8 is formed, an effective printing area 7 is an area not affected by the deformation of the limiting fixing ring 4, the axial length of the effective printing area 7 is the effective width of the printing roller for printing the foil, and the adjustment and setting of the effective width of the printing are completed by sleeving the limiting fixing ring 4 and setting the position of the limiting fixing ring 4; when it is necessary to adjust the contact line width of the printing surface for printing the foil, the hardness of the inflatable structure 3 is adjusted by adjusting the inflation pressure.

[0043] The effective width and hardness of the foil for printing can be adjusted and controlled by using one printing roller of the embodiment, suitable and effective printing conditions for different foils to be printed can be formed on the fixed machine, the printing roller does not need to be replaced due to the change of the product width, and a special printing roller does not need to be customized according to the requirements of the foil product, the cost of preparing special printing rollers for different types of foil products can be reduced, and the time for replacing the printing roller can be saved.

[0044] The above is only a preferred embodiment of the present application, and does not limit the present application in any form, any skilled person in the art, without departing from the technical solution of the present application, according to the technical essence of the present application, any simple modification, equivalent replacement and improvement of the above embodiment, and the like, all still belong to the protection scope of the technical solution of the present application.

Claims

1. An inflatable foil embossing roller, characterized in that: It includes a central axis and an inflatable structure arranged on the periphery of the central axis; The surface of the inflatable structure is the embossing surface of the embossing roller, and the central axis is used to support the inflatable structure. After being inflated, the inflatable structure forms an inflatable column surrounding the central axis. The inflatable structure is provided with a limiting fixing ring for being mounted on the inflatable column. Different mounting positions of the limiting fixing ring on the inflatable structure can adjust the effective width of the stamping surface of the inflatable structure for stamping the foil. Different inflation levels of the inflatable structure can change the line width of the contact line where the inflatable surface of the inflatable structure embosses the foil.

2. The inflatable foil embossing roller according to claim 1, characterized in that: The limiting fixing ring can tighten and deform the sleeve position of the inflatable structure, and the part not affected by the deformation of the limiting fixing ring is inflated and bulged as an effective embossing area. The axial length of the effective embossing area is the effective width of the embossing roller for embossing the foil.

3. The inflatable foil embossing roller according to claim 1, characterized in that: The inflatable structure has a gas cavity when inflated, and the inflatable structure is provided with an inflation and deflation valve communicating with the gas cavity.

4. The inflatable foil embossing roller according to claim 3, characterized in that: The inflatable structure is formed by an elastic layer connected to the central axis, and both ends of the elastic layer are airtightly connected to the central axis; the gas cavity is a cavity formed between the central axis and the elastic layer.

5. The inflatable foil embossing roller according to claim 4, characterized in that: The central axis portion is provided with an inflation channel communicating with the gas cavity; a plurality of through holes are distributed on the side wall of the central axis portion, and the through holes communicate with the inflation channel in the central axis portion and the gas cavity between the central axis portion and the elastic layer.

6. The inflatable foil embossing roller according to claim 5, characterized in that: An air-inflating valve is arranged on one end of the central axis, and an air-deflation valve is arranged on the wall surface of the elastic layer.

7. The inflatable foil embossing roller according to claim 4, characterized in that: The elastic layer is a rubber layer.

8. The inflatable foil embossing roller according to claim 1, characterized in that: There is one limiting fixing ring, and the inflated surface between the sleeve position of the limiting fixing ring and one end of the inflatable column is the effective imprinting area.

9. The inflatable foil embossing roller according to claim 1, characterized in that: There are two position-limiting fixing rings, and the inflated surface between the sleeve positions of the two position-limiting fixing rings is the effective embossing area.

10. The inflatable foil embossing roller according to claim 1, characterized in that: The central axis is also connected to a machine that provides power.

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