Inflatable bump printing device suitable for flexible package

Abstract

The utility model belongs to the technical field of printing equipment, and particularly relates to an inflatable bump printing device suitable for flexible packaging. The inflatable bump printing device comprises a scraper assembly, a screen assembly and a bearing assembly which are sequentially arranged from top to bottom, the bearing assembly comprises a circulating sliding rail and at least two printing columns, one ends of the printing columns are in transmission connection with the circulating sliding rail, air injection holes are formed in the printing columns, and the printing columns can rotate in the axial direction; the scraper assembly comprises a scraper, and the axial direction of the printing column is parallel to the axial direction of the scraper. The air inflation bulge printing device is provided with the printing column with the air injection holes, so that the pressed flexible package bulges and has certain printing capacity; the printing column rotates around the middle shaft, the flexible package rolls along with rotation of the printing column, the flexible package which is inflated and swelled is subjected to complete-circle printing under the action of the scraper assembly and the screen printing plate assembly, and image abnormity caused by press fit after printing is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to printing equipment technical field, concretely relates to a kind of inflatable bulging printing device suitable for soft package. BACKGROUND

[0002] Plastic packaging bag is a kind of plastic as raw material, for producing the packaging bag of various articles in life, widely used in daily life and industrial production. Plastic soft package is printed with text and pattern on the surface of plastic bag before use, to achieve the need of the propaganda of beautiful and product. The printing device in prior art is generally placed in the form of flat material on workbench before packaging and forming, printing is carried out, and after drying, edge moulding compound and other technologies are carried out to form semi-closed soft package. This way may have wrinkles at the pressing point of packaging bag, and the surface pattern of soft material is distorted or changed under physical force during moulding. And during cutting and moulding compound, the printed pattern is easily damaged, the product damage rate is high, and human and material resources are wasted. SUMMARY

[0003] The utility model solves the technical problems that provide a kind of inflatable bulging printing device suitable for soft package, for printing the soft package after pressing.

[0004] In order to solve the above technical problems, the utility model adopts the technical scheme that a kind of inflatable bulging printing device suitable for soft package, including by upper and lower sequentially arranged doctor blade assembly, screen printing assembly and bearing assembly, the bearing assembly includes circulating slide rail and at least two printing columns, one end of the printing column is drivingly connected with circulating slide rail, the printing column is provided with air jet hole, and the printing column can rotate around the axial direction;The doctor blade assembly includes doctor blade, and the axial direction of the printing column is parallel to the axial direction of the doctor blade.

[0005] Among them, the circulating slide rail is annular structure, and the circulating slide rail includes inner slide rail and outer slide rail, the cross section of the inner slide rail and the outer slide rail is all I-shaped section;One end of the printing column is provided with boss, and the boss is embedded with the outer contour of the inner slide rail and the outer slide rail.

[0006] Among them, the printing column is hollow structure, and one end of the printing column away from circulating slide rail is closed, and the other end is provided with inflation valve.

[0007] Among them, the diameter of the air jet hole is 3-10mm.

[0008] Among them, the circulating slide rail is oval shape, and the vertical direction is longer than the horizontal direction.

[0009] The circulating slide rail is a ring structure, and the circulating slide rail comprises an inner conveying belt and an outer conveying belt which synchronously operate.

[0010] The scraper assembly further comprises a lifting structure and a clamp, and the lifting structure, the clamp and the scraper are sequentially connected from top to bottom.

[0011] The number of the scraper is one or two.

[0012] The screen assembly comprises a lifting slide rail, a transverse slide rail, a screen and two fixing rods, one end of the fixing rod is slidably connected with the transverse slide rail, the transverse slide rail is provided with a sliding block, and the sliding block is slidably connected with the lifting slide rail.

[0013] The fixing rod comprises a fixing rod body and a fixing piece, the cross section of the fixing rod body is a U-shaped structure which is open towards the screen, the upper portion of the fixing rod is provided with a through hole, and the fixing piece is clamped in the through hole.

[0014] The air-filled bulge printing device has the advantages that the air-filled bulge printing device is provided with the printing column with the air injection hole, so that the soft package (plastic) after being pressed is bulged and has a certain printing capacity; the printing column rotates around the middle shaft, the soft package rolls along with the rotation of the printing column, and the air-filled soft package is printed in a whole circle under the action of the scraper assembly and the screen assembly, the image abnormality caused by printing and re-pressing is reduced, the printing is constant and uniform, and the pattern error is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structure schematic view of the air-filled bulge printing device according to the embodiment of the present application;

[0016] Fig. 2 It is a structure schematic view of the bearing assembly according to the embodiment of the present application;

[0017] Fig. 3 It is a partial structure schematic view of the scraper assembly according to the embodiment of the present application;

[0018] REFERENCE SIGNS:

[0019] 1, scraper assembly; 11, lifting structure; 111, telescopic column; 12, clamp; 13, scraper;

[0020] 2, screen assembly; 21, lifting slide rail; 22, transverse slide rail; 23, screen; 24, fixing rod; 241, fixing rod body; 242, fixing piece;

[0021] 3, bearing assembly, 31, circulating slide rail; 311, inner conveying belt; 312, outer conveying belt; 32, bearing column; 321, air jet hole; 33, contact disc. DETAILED DESCRIPTION

[0022] To illustrate the technical content of the present application, the purposes and effects achieved, the following embodiments will be described in conjunction with the accompanying drawings.

[0023] Please refer to Fig. 1 An air-filled bulge printing device suitable for soft packaging, comprising a scraper assembly, a screen assembly and a bearing assembly arranged in sequence from top to bottom, the bearing assembly comprising a circulating slide rail and at least two bearing columns, one end of the bearing column being in driving connection with the circulating slide rail, the bearing column being provided with an air jet hole and being rotatable about an axial direction; the scraper assembly comprising a scraper, the axial direction of the bearing column being parallel to the axial direction of the scraper.

[0024] From the above description, the air-filled bulge printing device of the present application has the following advantages: the bearing platform is changed into a bearing column with an air jet hole, so that the soft packaging (plastic) after pressing is inflated and has a certain hardness for bearing the screen printing pattern; the bearing column is in sliding connection with the circulating slide rail, when the bearing column is located at the uppermost position of the circulating slide rail, printing starts and the bearing column is rotated; the soft packaging rolls with the rotation of the bearing column and completes the whole rotation printing under the action of the scraper assembly and the screen assembly. The present application prints while rotating and inflating, preventing the distortion of the printed pattern at the edge due to the tightness of the screen, and the printing method can print the soft packaging after pressing, reducing the image abnormality caused by printing and pressing again, so that the printing is constant and uniform, and the pattern error is reduced.

[0025] A soft packaging is sleeved on each bearing column, and the at least two bearing columns repeatedly transport between the upper and lower two vertices, when one of the bearing columns operates to the upper vertex for printing, the soft packaging is sleeved on the other bearing columns, saving time and improving printing efficiency; when one of the bearing columns has a blocked air hole or other common problems, the work of the other bearing columns is not affected before the machine is repaired.

[0026] Further, the bearing column is rotatable about the axial direction through driving connection with a rotating motor or any other existing technology.

[0027] The specific structure of the circulating slide rail can be any structure available on the market that can realize the position-limited movement of the bearing column.

[0028] Further, the circulating slide rail is a ring structure, and the circulating slide rail comprises an inner slide rail and an outer slide rail, the cross sections of the inner slide rail and the outer slide rail are both I-shaped cross sections; one end of the bearing column is provided with a boss, and the boss is fitted with the outer contour of the inner slide rail and the outer slide rail.

[0029] From the above description, the movable and fixed printing column moving direction is realized by the convex and the outer contour of the inner and outer slide rails. Each convex is connected with a motor, and the distance between the two adjacent printing columns can be controlled.

[0030] Further, the printing column is a hollow structure, and the end of the printing column away from the circulating slide rail is closed, and the other end is provided with an inflation valve.

[0031] From the above description, the inflation valve can be inserted into the hose to achieve the inflation effect, saving time and improving machine utilization.

[0032] Further, the diameter of the air injection hole is 3-10mm.

[0033] Preferably, the diameter of the air injection hole is 3-6mm.

[0034] From the above description, the soft package is inflated by inflation, which has a certain hardness for receiving the screen printing pattern. The diameter of the air injection hole should not be too large to avoid uneven inflation and local deformation.

[0035] Further, the circulating slide rail is an ellipse with a vertical direction longer than a horizontal direction.

[0036] From the above description, the shape of the slide rail needs to meet the following points: a- there is an upper vertex fixed position for receiving pattern printing; b- one or more printing columns can be smoothly conveyed at the same time, and the slide rail does not have sharp corners; c- the conveying distance of the slide rail should be as short as possible to reduce energy consumption. The elliptical slide rail best meets the above conditions.

[0037] Please refer to Fig. 2 , further, the circulating slide rail is a ring structure, the circulating slide rail includes an inner conveying belt and an outer conveying belt running synchronously, one end of the printing column is provided with a contact disc, and the contact disc is connected with the inner conveying belt and the outer conveying belt.

[0038] Further, the contact disc is clamped between the inner conveying belt and the outer conveying belt.

[0039] From the above description, the inner conveying belt and the outer conveying belt drive the contact disc clamped between the inner conveying belt and the outer conveying belt to move when running.

[0040] Please refer to Fig. 3 , further, the scraper assembly further includes a lifting structure and a clamp, and the lifting structure, the clamp and the scraper are connected in sequence from top to bottom; the lifting structure includes a telescopic column, and the movable end of the telescopic column is connected with the clamp.

[0041] From the above description, the telescopic column can be elongated or contracted in the vertical direction, and the height of the scraper connected with the clamp is adjusted when the telescopic column is telescoped, and the pressure of the scraper is adjusted to adapt to different printing requirements.

[0042] Further, the number of squeegees is 1 or 2.

[0043] Preferably, the number of squeegees is 2.

[0044] As can be seen from the above description, generally, printing is carried out, and the pattern exposed by the screen needs to be first sealed with ink, so that when the squeegee is scraped, the ink can be scraped to the underlying printing object by applying pressure, and thus the squeegee needs to push the ink when the squeegee is back and forth. However, because the purposes are different, the angles and forces of the squeegees used for sealing the pattern and for printing the pattern are different. Therefore, the squeegee is provided with two squeegees, one of which is used for sealing the pattern and the other of which is used for printing the pattern.

[0045] Further, the screen assembly comprises a lifting slide rail, a horizontal slide rail, a screen and two fixing rods, one end of the fixing rod is slidably connected with the horizontal slide rail, the horizontal slide rail is provided with a sliding block, and the sliding block is slidably connected with the lifting slide rail; and the two sides of the screen are connected with the fixing rods respectively.

[0046] As can be seen from the above description, the lifting slide rail is connected with the horizontal slide rail through the sliding block, is used for controlling the height of the screen connected with the horizontal slide rail, adjusting the distance between the screen and the printing object, realizing the printing in close contact, and facilitating the taking out of the finished product after printing; one end of the fixing rod is slidably connected with the horizontal slide rail, the screen can be controlled to move horizontally, the screen moves in the same direction with the rotating printing column, so that the ink is uniformly and stably printed on the soft packaging, and the complete pattern printing is realized; the two fixing rods are respectively moved, and can be adjusted to appropriate positions according to the length and width of the screen.

[0047] Further, the fixing rod comprises a fixing rod body and a fixing piece, the cross section of the fixing rod body is a U-shaped structure with an opening facing the screen, the upper portion of the fixing rod is provided with a through hole, and the fixing piece is clamped in the through hole.

[0048] As can be seen from the above description, the two sides of the screen are placed in the U-shaped structure, and then the fixing piece is clamped in the through hole, so that the fixing piece sinks to top the screen frame, and the fixing of the screen is realized.

[0049] Further, the fixing piece is threadedly connected with the through hole.

[0050] As can be seen from the above description, the fixing piece is threadedly connected with the through hole, the fixing piece tops the screen frame, and the fixing of the screen is realized.

[0051] Please refer to Figs. 1-3 The embodiment one of the utility model is: a kind of inflatable bulge printing device suitable for soft package, including by upper to lower sequentially arranged squeegee assembly 1, screen assembly 2 and bearing assembly 3.

[0052] The bearing assembly 3 comprises a circulating slide rail 31 and two bearing columns 32, the circulating slide rail 31 is an elliptical ring structure with vertical direction longer than horizontal direction, the circulating slide rail 31 comprises an inner conveying belt 311 and an outer conveying belt 312 running synchronously, one end of the bearing column 32 is provided with a contact disc 33 clamped between the inner conveying belt 311 and the outer conveying belt 312. The bearing column 32 is provided with a jet hole 321, one end of the bearing column 32 is connected with a rotating motor so as to rotate around the axis; the bearing column 32 is a hollow structure, one end of the bearing column 32 away from the circulating slide rail 31 is closed, and the other end is provided with an inflation valve connected with a hose, the diameter of the jet hole 321 is 5mm;

[0053] The scraper assembly 1 comprises a lifting structure 11, a clamp 12 and two scrapers 13 arranged in sequence from top to bottom, the lifting structure 11 comprises a telescopic column 111, the movable end of the telescopic column 111 is connected with the clamp 12, and the upper part of the scraper 13 is clamped in the clamp 12; the axis of the bearing column 32 is parallel to the axis of the scraper 13.

[0054] The screen assembly 2 comprises a lifting slide rail 21, a transverse slide rail 22, a screen 23 and two fixing rods 24, one end of the fixing rod 24 is connected with the transverse slide rail 22 in sliding mode, the transverse slide rail 22 is provided with a sliding block connected with the lifting slide rail 21 in sliding mode; the screen 23 is connected with the fixing rod 24 at two sides respectively; the fixing rod 24 comprises a fixing rod body 241 and a fixing piece 242, the cross section of the fixing rod body 241 is a U-shaped structure with an opening facing the screen 23, the upper part of the fixing rod 24 is provided with a through hole, and the fixing piece 242 is clamped in the through hole.

[0055] The working principle of the first embodiment is as follows: the telescopic length of the telescopic column 111 is adjusted to adjust the height and pressure of the scraper 13; then the distance between the screen 23 and the printed object is adjusted through the lifting slide rail 21 and the transverse slide rail 22, and the fixing rod 24 is adjusted to a suitable position according to the length and width of the screen 23; the two sides of the screen 23 are placed in the U-shaped structure of the fixing rod 24, then the fixing piece 242 is clamped in the through hole, the fixing piece 242 sinks to abut against the frame of the screen 23, the screen 23 is fixed, and the installation is completed.

[0056] The soft package is sleeved on one of the printing columns 32, the inflation valve is opened to make the soft package inflated, the printing column 32 is conveyed to the uppermost position of the circulating slide rail 31 under the joint action of the inner conveying belt 311 and the outer conveying belt 312, printing is started and the printing column 32 is rotated, the screen plate 23 is controlled to move laterally along the lateral slide rail 22, the printing column 32 moves in the same direction with the screen plate 23, so that the ink is uniformly and stably printed on the soft package, and the complete pattern printing is realized; during the printing process, the other printing column 32 is at the uppermost position of the circulating slide rail 31, and the soft package is sleeved on the printing column 32; after printing, the uppermost printing column 32 is moved downward, and the lowermost printing column 32 is moved upward to print, so that the alternate printing is realized, and the printing efficiency is improved.

[0057] Embodiment two of the utility model is:

[0058] The difference between embodiment two and embodiment one is only that the number of the scraper is 1, the diameter of the air injection hole is 10mm, the circulating slide rail is a ring structure, the circulating slide rail comprises an inner slide rail and an outer slide rail, the cross sections of the inner slide rail and the outer slide rail are both I-shaped cross sections; one end of the printing column is provided with a boss, the boss is embedded with the outer contour of the inner slide rail and the outer slide rail; the fixing member is threadedly connected with the through hole.

[0059] The principle of embodiment two is that the boss is embedded with the outer contour of the inner slide rail and the outer slide rail, the movable printing column is realized, the moving direction of the printing column is fixed, and the distance between the adjacent two printing columns is controlled. The fixing member is threadedly connected with the through hole, the fixing member abuts against the screen plate frame, and the screen plate is fixed.

[0060] In summary, the inflation and bulging printing device suitable for the soft package provided by the utility model relates to a rotating printing column with a unique air injection hole, the soft package can be inflated and has a certain hardness, is used for bearing the screen printing pattern, avoids pattern distortion caused by the tight screen, and is more constant and uniform in printing, and pattern error is reduced. The printing column is slidably connected with the circulating slide rail, starts printing and rotates when being located at the uppermost position and the lowermost position of the slide rail, the soft package rolls along, the scraper assembly and the screen plate assembly are matched to complete the whole rotation printing, rotation inflation and printing are simultaneously performed, and the efficiency is improved.

[0061] The above only describes the embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent transformation or direct or indirect application in the related technical field according to the content of the utility model specification and the drawings is also included in the patent protection range of the utility model.

Claims

1. An air-bubble printing device suitable for soft packaging, characterized in that, The printing plate includes a scraper assembly, a screen assembly and a bearing assembly arranged from top to bottom, the bearing assembly includes a circulating slide rail and at least two bearing columns, one end of the bearing column is drivingly connected with the circulating slide rail, the bearing column is provided with a jet hole, and the bearing column can rotate around an axis; the scraper assembly includes a scraper, and the axis of the bearing column is parallel to the axis of the scraper.

2. The air-bubble printing device suitable for soft packaging according to claim 1, characterized in that, The circulating slide rail is in a ring structure, and includes an inner slide rail and an outer slide rail, the cross sections of the inner slide rail and the outer slide rail are both in a I-shaped cross section; one end of the bearing column is provided with a boss, and the boss is embedded with the outer contour of the inner slide rail and the outer slide rail.

3. The air-bubble printing device suitable for soft packaging according to claim 1, wherein, The bearing column is in a hollow structure, one end of the bearing column away from the circulating slide rail is closed, and the other end is provided with an inflation valve.

4. The air-bubble printing device suitable for soft packaging according to claim 1, wherein, The diameter of the jet hole is 3-10 mm.

5. The air-bubble printing device suitable for soft packaging according to claim 1, wherein, The circulating slide rail is in an oval shape, and the vertical direction is longer than the horizontal direction.

6. The air-bubble printing device suitable for soft packaging according to claim 1, wherein, The circulating slide rail is in a ring structure, and includes an inner conveying belt and an outer conveying belt running synchronously, one end of the bearing column is provided with a contact disc, and the contact disc is connected with the inner conveying belt and the outer conveying belt.

7. The air-bubble printing device suitable for soft packaging according to claim 1, wherein, The scraper assembly further includes a lifting structure and a clamp, and the lifting structure, the clamp and the scraper are sequentially connected from top to bottom; the lifting structure includes a telescopic column, and a movable end of the telescopic column is connected with the clamp.

8. The air-bubble printing device suitable for soft packaging according to claim 1, wherein, The number of the scraper is one or two.

9. The air-bubble printing device suitable for soft packaging according to claim 1, wherein, The screen assembly includes a lifting slide rail, a transverse slide rail, a screen and two fixed rods, one end of the fixed rod is slidingly connected with the transverse slide rail, the transverse slide rail is provided with a sliding block, the sliding block is slidingly connected with the lifting slide rail, and two sides of the screen are respectively connected with the fixed rods.

10. A blister printing device suitable for soft packaging according to claim 9, characterized in that, The fixed rod includes a fixed rod body and a fixing piece, the cross section of the fixed rod body is in a U-shaped structure with an opening facing the screen, the upper portion of the fixed rod is provided with a through hole, and the fixing piece is clamped in the through hole.

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