CN217197328U - Ink jet preventing device for flexible package printing - Google Patents

Abstract

The application provides a flexible package printing is with preventing spouting black device belongs to flexible package printing technical field. The ink jet preventing device for printing the flexible package comprises a printing assembly and a pressure reducing assembly. The printing component is including support, compression roller, seal roller, ink horn and packaging film, the compression roller with the seal roller all with the rotate bracket connection, the ink horn with support fixed connection, the seal roller with ink horn swing joint, the packaging film two sides respectively with the compression roller with the seal roller closely laminates, slowly press the subassembly including through-hole, film and end the piece of slowing down, through-hole evenly distributed is in the seal roller surface, the seal roller is the cavity setting, the film is fixed laminate in the seal roller inner wall, the fixed shutoff of film is in all the through-hole. In this application, slowly press the subassembly and can slowly press the extrusion printing position of printing element, adjust china ink material pressure, when guaranteeing the printing effect, reduce china ink material spun condition.

Description

Ink jet preventing device for flexible package printing

Technical Field

The application relates to the technical field of flexible package printing, in particular to an ink jet preventing device for flexible package printing.

Background

In the printing process of soft-packing such as packaging film, seal roller surface is provided with sunken pattern to store china ink material and printing pattern, dip in the china ink material through seal roller contact ink horn, then compression roller and seal roller rotate the extrusion with the china ink material extrusion of depressed place to the packaging film, because packaging film adsorption affinity is not strong and elasticity is relatively poor, china ink material is at the extrusion printing in-process, china ink material then can spill over or spout to the printing region outside, cause the pollution of equipment and all ring edge borders.

SUMMERY OF THE UTILITY MODEL

In order to remedy the above deficiencies, the present application provides an ink jet preventing device for printing on flexible packages, which aims to improve the problems mentioned in the background art.

The application provides a flexible package printing is with preventing spouting china ink device, including printing assembly and slow pressure subassembly.

The printing component is including support, compression roller, seal roller, ink horn and packaging film, the compression roller with the seal roller all with the rotate bracket connection, the ink horn with support fixed connection, the seal roller with ink horn swing joint, the packaging film two sides respectively with the compression roller with the seal roller closely laminates, slowly press the subassembly including through-hole, film and end the piece of slowing down, through-hole evenly distributed is in the seal roller surface, the seal roller is the cavity setting, the film is fixed laminate in the seal roller inner wall, the fixed shutoff of film is in all the through-hole, end the piece of slowing down with seal roller swing joint, end the piece activity of slowing down support tightly in the film.

In the above scheme, the packaging film is extruded between the press roller and the printing roller, the printing roller is extruded to the packaging film by rotating after contacting the ink box, so as to form a printing effect, the ink can flow to the inside of the printing roller through the through hole after being extruded, thus the situation that the ink is extruded to the periphery can be effectively reduced, the ink is blocked in the through hole through the film, the film at the through hole is jacked up by air pressure generated after the ink enters the through hole, when the through hole rotates in the extrusion area of the printing roller and the press roller, the film pushes the ink to the surface of the printing roller again due to elasticity, after contacting the ink box again, the redundant ink is mixed with the ink in the ink box, the specified ink amount is carried out again along with the rotation of the printing roller, the cycle is repeated, the extrusion force of the ink can be adjusted by selecting the proper film elasticity, and the balance is found between ink jet printing and extrusion printing, to sum up, slowly press the subassembly and can slowly press the extrusion printing position of printing element, adjust china ink material pressure, when guaranteeing the printing effect, reduce china ink material spun condition.

Furthermore, the printing assembly further comprises a driving part, the driving part comprises two driven gears, the two driven gears are respectively and fixedly connected with the press roller and the printing roller, and the two driven gears are meshed with each other.

Furthermore, the driving part further comprises a motor, and the motor is fixedly connected with the support.

Furthermore, the driving member further comprises a main gear, the main gear is fixedly connected with the output end of the motor, and the main gear is meshed with the corresponding slave gear.

In the scheme, the motor drives the driven gears to rotate through the main gear, so that the two driven gears are meshed to rotate to drive the printing roller and the pressing roller to rotate at the same speed, and the packaging film is extruded, printed and transmitted.

Furthermore, the printing component also comprises a scraper which is fixedly connected with the ink box and movably abutted against the excircle of the printing roller.

In the scheme, when the printing roller is immersed in the ink box, more ink is carried out, the redundant ink is scraped by the scraper and returns to the ink box along the scraper, and necessary ink is embedded into the concave part of the printing roller so as to participate in extrusion printing.

Furthermore, all the inner ends of the through holes are provided with concave surfaces, and the film is movably attached to all the concave surfaces.

In above-mentioned scheme, the concave surface is used for increasing the air volume in the through-hole, can rely on the compression elasticity of air to realize certain pressure relieving effect, and the elasticity of cooperation film realizes suitable pressure relieving effect, and in addition, the ink material can take out the ink material in the through-hole when contacting the packaging film, forms negative pressure effect to the film, and the concave surface is used for supporting sunken film and reduces the film damage and the degree of restriction film lower limit to prevent that too much ink material from being taken to the packaging film surface and influence the printing effect.

Furthermore, the buffering piece comprises a crankshaft, the inner end of the crankshaft is rotatably connected with the printing roller, and the outer end of the crankshaft movably penetrates through the printing roller and is rotatably connected with the support.

Furthermore, one end of the printing roller is rotatably connected with the support, and the other end of the printing roller is rotatably connected with the crankshaft.

In the scheme, the crankshaft is arranged to realize two rotation axes, and the automatic buffering effect is realized through rotation.

Furthermore, the buffer part further comprises a supporting roller, the supporting roller is movably connected with the crankshaft, the supporting roller is eccentrically arranged with the printing roller, and the supporting roller is in rolling connection with the film.

Furthermore, the buffering part further comprises a bearing, the bearing is fixedly sleeved on the crankshaft, the outer ring of the bearing is fixedly connected with the printing roller, and the abutting roller is rotatably connected with the crankshaft through the bearing.

In above-mentioned scheme, the seal roller rotates the frictional force through the film and drives and supports the roller rotation, it is located the bottom with the mortgage region of seal roller to support the roller, the position of seal roller and ink horn contact promptly, at this moment, it presses on the film to support the roller, the film loses the slow-pressing characteristic, so the china ink material can not too much get into the through-hole, and when the upper end printing region was arrived, it leaves the film to support the roller, elasticity and slow-pressing function are resumeed to the film, form slow-pressing to extruded china ink material, effectively reduce the condition of inkjet, in this embodiment, it is provided with the rubber to support the roller surface, can have bigger area of contact with the film, be used for when the seal roller dips in china ink material, the through-hole in corresponding region is all supported.

Drawings

In order to more clearly explain the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that for those skilled in the art, other related drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic structural diagram of an ink jet preventing device for printing flexible packages according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of a connection relationship between a damping member and a printing roller according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of a connection structure between a driving member and a printing roller according to an embodiment of the present disclosure;

fig. 4 is a schematic view of a partially enlarged structure at a in fig. 3 according to an embodiment of the present disclosure.

In the figure: 100-a printing component; 110-a scaffold; 120-a press roll; 130-a print roller; 140-ink cartridge; 150-packaging film; 160-a drive member; 161-slave gear; 162-a motor; 163-main gear; 170-a scraper; 200-a pressure relief assembly; 210-a via; 220-a film; 230-a relief member; 231-a crankshaft; 232-a roller; 233-bearing.

Detailed Description

The technical solutions in the present application will be described below with reference to the drawings in the present application.

To make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

Referring to fig. 1, the present application provides an ink jet preventing apparatus for printing a flexible package, which includes a printing assembly 100 and a pressure reducing assembly 200.

Wherein, the pressure relief subassembly 200 can carry out the pressure relief to the extrusion printing position of printing element 100, adjusts ink material pressure, when guaranteeing the printing effect, reduces the condition of ink material blowout.

Referring to fig. 1-4, the printing assembly 100 includes a bracket 110, a pressing roller 120, a printing roller 130, an ink cartridge 140, and a packaging film 150, wherein the pressing roller 120 and the printing roller 130 are rotatably connected to the bracket 110, the ink cartridge 140 is fixedly connected to the bracket 110, the printing roller 130 is movably connected to the ink cartridge 140, two sides of the packaging film 150 are respectively and tightly attached to the pressing roller 120 and the printing roller 130, the pressure relief assembly 200 includes a through hole 210, a thin film 220, and a relief member 230, the through hole 210 is uniformly distributed on the surface of the printing roller 130, the printing roller 130 is hollow, the thin film 220 is fixedly attached to the inner wall of the printing roller 130, the thin film 220 is fixedly sealed in all the through holes 210, the relief member 230 is movably connected to the printing roller 130, and the relief member 230 is movably abutted to the thin film 220. The packaging film 150 is squeezed between the pressing roller 120 and the printing roller 130, after the printing roller 130 contacts the ink box 140, the carried ink is squeezed onto the packaging film 150 through rotation, a printing effect is formed, the ink can flow into the printing roller 130 through the through hole 210 after being squeezed, so that the situation that the ink is squeezed to jet ink around can be effectively reduced, the ink is blocked in the through hole 210 through the film 220, the ink enters the through hole 210 and generates air pressure to jack up the film 220 at the through hole 210, when the through hole 210 rotates in a squeezing area of the printing roller 130 and the pressing roller 120, the film 220 pushes the ink out of the surface of the printing roller 130 again due to elasticity, after the ink box 140 is contacted again, the redundant ink is mixed with the ink in the ink box 140, the appointed ink amount is carried out again along with the rotation of the printing roller 130, the circulation is carried out, and the squeezing force of the ink can be adjusted by selecting the proper elasticity of the film 220, find the balance between inkjet and extrusion printing, to sum up, slowly press subassembly 200 can slowly press the extrusion printing position of printing element 100, adjusts ink material pressure, when guaranteeing the printing effect, reduces the condition of ink material blowout.

Referring to fig. 1-4, the printing assembly 100 further includes a driving member 160, the driving member 160 includes a driven gear 161, two driven gears 161 are disposed, the two driven gears 161 are respectively fixedly connected to the pressing roller 120 and the printing roller 130, and the two driven gears 161 are engaged with each other. The driving member 160 further includes a motor 162, and the motor 162 is fixedly connected to the bracket 110. The driving member 160 further includes a main gear 163, the main gear 163 is fixedly connected to an output end of the motor 162, and the main gear 163 is engaged with the corresponding sub-gear 161. The motor 162 drives the driven gears 161 to rotate through the main gear 163, so that the two driven gears 161 are meshed to rotate, the printing roller 130 and the pressing roller 120 are driven to rotate at the same speed, and the packaging film 150 is extruded, printed and driven.

The printing assembly 100 further includes a scraper 170, the scraper 170 is fixedly connected to the ink cartridge 140, and the scraper 170 movably abuts against the outer circumference of the printing roller 130. When the printing roller 130 is immersed in the ink box 140, more ink is carried out, the excess ink is scraped by the scraper 170 and returned to the ink box 140 along the scraper 170, and the necessary ink is embedded in the recess of the printing roller 130 so as to participate in the extrusion printing.

Referring to fig. 1-4, the inner ends of all the through holes 210 are formed with concave surfaces, and the film 220 is movably attached to all the concave surfaces. The concave surface is used for increasing the air quantity in the through hole 210, a certain pressure relief effect can be realized by means of the compression elasticity of the air, a proper pressure relief effect is realized by matching with the elasticity of the film 220, in addition, ink materials in the through hole 210 can be taken out when contacting the packaging film 150, a negative pressure effect is formed on the film 220, the concave surface is used for supporting the sunken film 220, the damage of the film 220 is reduced, the lower limit degree of the film 220 is limited, and the printing effect is prevented from being influenced by the fact that excessive ink materials are taken to the surface of the packaging film 150.

Referring to fig. 1-4, the damping member 230 includes a crankshaft 231, an inner end of the crankshaft 231 is rotatably connected to the printing roller 130, and an outer end of the crankshaft 231 movably penetrates the printing roller 130 and is rotatably connected to the bracket 110. One end of the printing roller 130 is rotatably connected to the bracket 110, and the other end of the printing roller 130 is rotatably connected to the crankshaft 231. The crankshaft 231 is provided to realize two rotation axes, and the automatic damping effect is realized by rotation.

The buffer member 230 further comprises a resisting roller 232, the resisting roller 232 is movably connected with the crankshaft 231, the resisting roller 232 and the printing roller 130 are eccentrically arranged, and the resisting roller 232 is in rolling connection with the film 220. The buffer member 230 further includes a bearing 233, the bearing 233 is fixedly sleeved on the crankshaft 231, an outer ring of the bearing 233 is fixedly connected with the printing roller 130, and the resisting roller 232 is rotatably connected with the crankshaft 231 through the bearing 233. The roller 130 rotates and drives the roller 232 to rotate through the friction force of the film 220, the pressing area of the roller 232 and the roller 130 is located at the lowest end, namely the position of the roller 130 and the ink box 140, at the moment, the roller 232 presses on the film 220, the film 220 loses the slow-pressing characteristic, so that ink cannot enter the through hole 210 excessively, when the upper end is printed, the roller 232 leaves the film 220, the film 220 recovers the elasticity and the slow-pressing function, the slow-pressing is performed on the extruded ink, the condition of ink jet is effectively reduced, in the embodiment, the surface of the roller 232 is provided with a rubber sheet, a larger contact area can be formed with the film 220, and when the roller 130 dips in the ink, the through hole 210 of the corresponding area is completely supported.

The working principle of the ink jet preventing device for printing the flexible package is as follows: the packaging film 150 is squeezed between the pressing roller 120 and the printing roller 130, when the printing roller 130 contacts the ink box 140, the resisting roller 232 presses the film 220, the film 220 loses the pressure-relieving characteristic, so that ink does not excessively enter the through hole 210, the printing roller 130 carries the ink to be squeezed onto the packaging film 150 through rotation, a printing effect is formed, at the moment, the resisting roller 232 leaves the film 220, the film 220 recovers the elasticity and the pressure-relieving function, the ink flows to the inside of the printing roller 130 through the through hole 210 after being squeezed, the situation that the ink is squeezed to jet ink around can be effectively reduced, the ink is blocked in the through hole 210 through the film 220, the air pressure is generated after the ink enters the through hole 210 to jack up the film 220 at the through hole 210, when the through hole 210 rotates through the squeezing area of the printing roller 130 and the pressing roller 120, the film 220 pushes the ink out to the surface of the printing roller 130 again due to the elasticity, after the ink box 140 is contacted again, the surplus ink is mixed with the ink in the ink box 140, along with the rotation of seal roller 130, carry out appointed china ink volume again, so circulate, it should be noted that, can adjust the extrusion force of china ink material through selecting suitable film 220 elasticity, find the balance between inkjet and extrusion printing, to sum up, the subassembly 200 that slowly presses can carry out slowly to the extrusion printing position of printing element 100, adjusts china ink material pressure, when guaranteeing the printing effect, reduces the condition that china ink material spouts.

It should be noted that the specific model specifications of the pressure roller 120, the ink cartridge 140, the packaging film 150, the driven gear 161, the motor 162, the main gear 163, the scraper 170, the film 220, the resisting roller 232 and the bearing 233 need to be determined according to the actual specification of the device, and the specific model selection calculation method adopts the prior art in the field, and therefore, detailed description is omitted.

The power supply of the motor 162 and its principle will be clear to the skilled person and will not be described in detail here.

The above embodiments are merely examples of the present application and are not intended to limit the scope of the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. An ink blowout prevention device for flexible package printing is characterized by comprising

The printing assembly (100) comprises a support (110), a pressing roller (120), a printing roller (130), an ink box (140) and a packaging film (150), wherein the pressing roller (120) and the printing roller (130) are both rotationally connected with the support (110), the ink box (140) is fixedly connected with the support (110), the printing roller (130) is movably connected with the ink box (140), and two surfaces of the packaging film (150) are respectively tightly attached to the pressing roller (120) and the printing roller (130);

slowly press subassembly (200), slowly press subassembly (200) including through-hole (210), film (220) and end and slow piece (230), through-hole (210) evenly distributed is in print roller (130) surface, print roller (130) are the cavity setting, film (220) fixed laminating in print roller (130) inner wall, film (220) fixed shutoff in all through-hole (210), end slow piece (230) with print roller (130) swing joint, end slow piece (230) activity support tightly in film (220).

2. The ink blowout preventer according to claim 1, wherein the printing assembly (100) further comprises a driving member (160), the driving member (160) comprises a driven gear (161), two driven gears (161) are provided, the two driven gears (161) are respectively and fixedly connected with the pressing roller (120) and the printing roller (130), and the two driven gears (161) are meshed with each other.

3. The ink blowout preventer according to claim 2, wherein the actuator (160) further comprises a motor (162), and the motor (162) is fixedly connected to the bracket (110).

4. The ink blowout preventer according to claim 3, wherein the driving member (160) further comprises a main gear (163), the main gear (163) is fixedly connected to the output end of the motor (162), and the main gear (163) is engaged with the corresponding slave gear (161).

5. The ink blowout preventer according to claim 4, wherein the printing assembly (100) further comprises a scraper (170), the scraper (170) is fixedly connected with the ink cartridge (140), and the scraper (170) movably abuts against the outer circle of the printing roller (130).

6. The ink blowout preventer according to claim 5, wherein the inner ends of all the through holes (210) are provided with concave surfaces, and the film (220) is movably attached to all the concave surfaces.

7. The ink blowout preventer according to claim 6, wherein the buffering member (230) comprises a crankshaft (231), an inner end of the crankshaft (231) is rotatably connected to the printing roller (130), and an outer end of the crankshaft (231) movably penetrates through the printing roller (130) and is rotatably connected to the bracket (110).

8. An ink jet preventing device for printing flexible packages according to claim 7, wherein one end of the printing roller (130) is rotatably connected with the bracket (110), and the other end of the printing roller (130) is rotatably connected with the crankshaft (231).

9. The ink blowout preventer according to claim 8, wherein the buffer member (230) further comprises a roller (232), the roller (232) is movably connected to the crankshaft (231), the roller (232) is eccentrically disposed with respect to the printing roller (130), and the roller (232) is in rolling connection with the film (220).

10. The ink blowout preventer according to claim 9, wherein the damping member (230) further comprises a bearing (233), the bearing (233) is fixedly sleeved on the crankshaft (231), an outer ring of the bearing (233) is fixedly connected with the printing roll (130), and the resisting roll (232) is rotatably connected with the crankshaft (231) through the bearing (233).

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