CN111645415A - Printing equipment for packaging carton and working method thereof - Google Patents

Abstract

The invention discloses a printing equipment for packaging cartons and a working method thereof, and relates to the technical field of printing equipment. The present invention includes a casing, a feeding port is arranged on the right side of the casing; a conveying mechanism is fixedly installed inside the casing; two symmetrically arranged annular guide belts are fixedly installed on the surface of the conveying mechanism; The leveling structure, printing mechanism and deinking and drying mechanism are fixedly installed from right to left; the top surface of the casing and the positions corresponding to the leveling structure, printing mechanism and deinking and drying mechanism are respectively fixedly installed with negative pressure vacuum cleaner, air purifier and Hot air supply mechanism. Through the design of the printing mechanism, the leveling mechanism and the ink removing and drying mechanism, the present invention enables the device to sequentially complete the surface pre-leveling, surface printing and ink drying of the cardboard in the form of an automated assembly line. The printing efficiency and printing effect of the device on cardboard.

Description

A kind of printing equipment for packaging carton and its working method

technical field

The invention belongs to the technical field of printing equipment, and in particular relates to a printing equipment for packaging cartons and a working method thereof.

Background technique

In the field of mechanical processing, at present, the exquisite pictures and texts on various cartons are made by printing the cardboard through a printing machine. The carton printing machine can print the required characters, patterns and other information on the carton box. Surface printing equipment, which generally includes process flow such as plate loading, ink coating, embossing, paper feeding, etc. Carton printing generally includes single printing, printing with slotting/die-cutting, printing slotting/die-cutting, gluing boxes and linkage production lines At work, the text and images to be printed are first made into printing plates, installed on the printing machine, and then the people operate the printing machine to evenly apply the ink to the places with the text and images on the printing plate, and then directly or indirectly transfer the ink. Printing onto corrugated cardboard or carton, thereby producing an identical print replica of the printing plate.

In the prior art, various forms of carton printing machines have appeared. For example, the patent document with the publication number CN104999807A discloses a carton printing machine, which solves the problem of paper feeding in the printing process. During the printing of the support board, due to the limitation of transportation conditions and maintenance conditions, the surface is prone to uneven surface. Once the uneven cardboard is sent to the printing mechanism, its printing effect will inevitably be reduced. At the same time, the existing carton is printing. In the past, due to the problem of the storage environment, the surface is easy to adhere to dust. If the dust cannot be cleaned in time, the printing aesthetics will inevitably be reduced.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a printing equipment for packaging cartons and a working method thereof. Through the design of a printing mechanism, a leveling mechanism and an ink removing and drying mechanism, it is possible to solve the problem that the existing printing equipment for packaging cartons cannot pre-level the cardboard and cannot The problem of pre-clearing the cardboard surface.

In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical solutions:

The invention relates to a printing equipment for packaging cartons, comprising a casing, a feeding port is arranged on the right side of the casing, and a discharging port is arranged on the left side; a conveying mechanism is fixedly installed inside the casing; the conveying mechanism Two symmetrically arranged annular guide belts are fixedly installed on the surface; a leveling structure, a printing mechanism and a de-inking and drying mechanism are fixedly installed inside the casing and corresponding to the position above the conveying mechanism from right to left; the top surface of the casing is A negative pressure vacuum cleaner, an air purifier and a hot air supply mechanism are respectively fixedly installed at the positions corresponding to the leveling structure, the printing mechanism and the ink removing and drying mechanism;

The flat structure includes two first support plates; one surface of the two first support plates is fixedly connected with the conveying mechanism; the surfaces of the two first support plates are fixedly connected with a set of first lift driving parts; A leveling frame is connected to the end of the lifting driving member; a first annular driving component is fixedly installed inside the leveling frame; an annular pressing belt is connected to the peripheral side of the first annular driving component; and the inner surfaces of the leveling frame are also rotatably connected There is a set of flattening rollers distributed in a linear array and matched with the annular pressing belt; between the inner surfaces of the flattening frame and the position away from the feeding port, there are two negative pressure dust suction shafts connected to each other through chains. pipe; a peripheral side surface of the negative pressure dust suction shaft pipe is connected with the first annular drive assembly through a chain;

A positive spiral cleaning brush and a reverse spiral cleaning brush are respectively fixedly connected to the peripheral sides of the two negative-pressure dust suction shaft tubes; a dust hole; a surface of the leveling frame is fixedly connected with a negative pressure generating main pipe; one end of the suction port of the negative pressure vacuum cleaner is fixedly connected with the negative pressure generating main pipe through a pipeline; one end of the two negative pressure dust suction shaft pipes is It is connected in rotation with the negative pressure generating main pipe;

The printing mechanism includes a printing roller; the peripheral side of the printing roller is connected with an ink transfer roller through a chain; both ends of the printing roller and the ink transfer roller are connected with the casing in rotation; the position of the casing corresponding to the ink transfer roller is fixed A servo motor is connected; one end of the output shaft of the servo motor is fixedly connected with the ink transfer roller; the peripheral side of the ink transfer roller is wrapped with ink-absorbing cotton; the inside of the casing is fixedly connected with an ink supply assembly and an ink addition nozzle. and the recovery box; one end of the ink supply assembly is respectively connected with the ink feeding nozzle and the recycling box; the bottom surface of the ink feeding nozzle is fixedly connected with a group of inkjet heads which are distributed in a linear array and whose ink discharge direction is facing the ink transfer roller;

The ink removing and drying mechanism includes two second support plates; one surface of the two second support plates is fixedly connected with the conveying mechanism; one surface of the two second support plates is fixedly connected with a group of second lifting driving parts; two A drying rack is connected to the peripheral side of the second lifting driving member; a second annular driving assembly is fixedly installed between the inner surfaces of the drying rack; an annular conveying mesh belt is connected to the peripheral side of the second annular driving assembly; The annular conveying mesh belt is fixedly installed with an annular deinking cotton belt; a group of drying pipes distributed in a linear array and matched with the annular deinking cotton belt are rotatably connected between the inner surfaces of the drying rack; one side of the drying rack is fixed An air distribution pipe is installed; one end of a group of the drying pipes is connected with the air distribution pipe; one end of the air outlet of the hot air supply mechanism is fixedly connected with the air distribution pipe through a pipe; the peripheral sides of the drying rack and the leveling rack are fixed Installed with two symmetrically arranged vibration motors;

Preferably, the ink supply assembly includes an ink cartridge; both ends of the ink cartridge are fixedly connected to the housing; an ink inlet pipe is fixedly installed at the top of the ink cartridge; One end of the ink inlet port of the ink filling pump is communicated with the ink cartridge; one end of the ink outlet port of the ink feeding pump is communicated with the ink feeding nozzle through a pipeline; One end of the ink outlet of the pump is communicated with the ink cartridge.

Preferably, the conveying mechanism comprises a conveying frame body; the peripheral side surface of the conveying frame body is fixedly connected to the casing; an annular main drive assembly is fixedly installed between the inner surfaces of the conveying frame; the peripheral side surface of the annular main drive assembly is connected There is an endless conveyor belt; the bottom surfaces of the two endless guide belts are fixedly connected with the endless conveyor belt; the surface of the endless conveyor belt is fixedly provided with friction lines; the annular main drive assembly is connected with the first annular drive assembly and the second annular drive assembly have the same structural characteristics.

Preferably, the first annular drive assembly and the second annular drive assembly each include a linear motor, a driving roller and a driven roller; one end of the output shaft of the linear motor is fixedly connected to the driving roller.

Preferably, both the first lift drive member and the second lift drive member include an electric push rod; the movable section of the electric push rod is fixedly connected with two limit pieces; the peripheral side of the electric push rod corresponds to the two limit pieces Two symmetrically arranged return springs are sleeved at the position between them.

Preferably, a set of limiting support main rollers distributed in a linear array and matched with the endless conveyor belt are also rotatably connected between the inner surfaces of the conveying mechanism; a control panel is fixedly installed on one surface of the casing.

Preferably, the surface of the annular conveying mesh belt is provided with a group of equidistantly distributed ventilation meshes; the bottom surface of the drying pipe is fixedly connected with a group of drying pipes whose air outlet direction is vertically downward and is matched with the annular ink removing cotton belt. sprinkler.

Preferably, the hot air supply mechanism includes a hot air generating box; one end of the air inlet of the hot air generating box is in fixed communication with the housing; One end of the air outlet of the box body is communicated with the air distribution pipe through a pipe; a temperature sensor is fixed on one side of the air outlet of the hot air generating box body.

Preferably, a working method of printing equipment for packaging cartons, comprising the following steps:

SS001. Pre-adjustment: Before working, adjust the distance between the leveling frame and the drying frame and the conveying mechanism through the thickness of the cardboard to be printed, and then adjust the pressing and leveling of the cardboard by the device through the first lift drive and the second lift drive respectively. Strength and drying degree of ink absorption. Before use, adjust the rotation speed of the conveying mechanism according to the requirements of drying time and leveling time. When working, the ring main drive assembly moves counterclockwise, and then the cardboard is moved from the feeding port to the discharging port side. conveying, and the annular main drive assembly and the first annular drive assembly and the second annular drive assembly move in opposite directions at the same speed during operation;

SS002, conveying and pre-pressing and leveling: when working, the cardboard to be printed is conveyed forward under the action of the conveying mechanism. During conveying, the ring-shaped pressing belt and the ring-shaped conveyor belt move at the same speed in the opposite direction, and the ring-shaped pressing belt then moves with the ring-shaped conveyor belt. It cooperates to achieve pre-compression and pre-leveling on the surface of the cardboard. Due to the work of the first annular drive assembly, it drives the two negative pressure vacuum shafts to move in the same direction. After the two negative pressure vacuum shafts move in the same direction, Then, through the action of the forward spiral cleaning brush and the reverse spiral cleaning brush, the cardboard surface is pre-cleaned;

SS003. Printing: When working, the ink supply assembly sprays printing ink into the ink transfer roller at the set power and speed, and when the ink supply assembly is working, the servo motor drives the ink transfer roller to rotate counterclockwise at the set speed, and the ink transfer roller rotates counterclockwise. After the counterclockwise rotation, the printing roller is then driven to rotate counterclockwise. During the rotation of the ink transfer roller, the excess ink will flow back to the recovery box. The ink is then transferred to the printing roller. During the transfer process, the excess ink is returned to the recycling box again, and the printing on the surface of the cardboard is realized by the work of the printing roller;

SS004. De-inking and drying: When working, the annular de-inking cotton belt and the endless conveyor belt move in opposite directions at the same speed. At the same time, the hot air supply mechanism supplies hot air to the drying tube. The excess ink is adsorbed, and after the air is discharged from the drying tube, on the one hand, the surface of the cardboard is directly dried, and on the other hand, the annular de-inking cotton belt is dried, and then the high adsorption rate of the annular de-inking cotton belt is maintained, and the ink removal and After drying, the material is discharged through the discharge port.

The present invention has the following beneficial effects:

1. The present invention enables the device to complete the surface pre-leveling, surface printing and ink drying of the cardboard in the form of an automated assembly line through the design of the printing mechanism, the leveling mechanism, and the ink-removing and drying mechanism. Effectively improve the printing efficiency and printing effect of the device on cardboard.

2. The present invention changes the wheel-type leveling of the traditional leveling equipment into a surface-level leveling through the matching design of the leveling mechanism and the vibration motor. Through the surface-level leveling effect, on the one hand, the leveling area and leveling effect per unit time of the device are increased, and on the other hand, the surface leveling effect is increased. On the one hand, through the design of the vibration motor, the traditional static leveling is also changed into dynamic leveling. During operation, the vibration motor can drive the annular pressure belt to vibrate reciprocatingly at a set frequency. Through the reciprocating change of the pressing strength, the effect of repeated flattening of the cardboard is then achieved.

3. The present invention changes the traditional point type ink absorption and line type ink absorption into the surface type ink absorption through the combination design of the ink removal drying mechanism and the vibration motor. Through the surface type ink absorption, it can effectively improve the unit time of the device On the other hand, the ink absorption is uniform. At the same time, through its movable design and its cooperation with the drying tube, the device can automatically dry and deink the annular ink removal cotton belt. , and then maintain and maintain the high ink absorption effect of the annular ink removing cotton belt, thereby effectively prolonging the maintenance difficulty and replacement cycle of the annular ink removing cotton belt, thereby reducing the use cost of the device.

4. The present invention can pre-clean the to-be-printed surface of the cardboard in time after leveling through the design of the cleaning brush assembly, and during pre-cleaning, through the design of the two-way spiral structure, on the one hand, it can achieve the effect of repeated cleaning, on the other hand It can automatically discharge the cleaned impurities, and at the same time, through the design of the negative pressure suction hole, it can ensure the self-cleaning of the surface of the pre-cleaning mechanism, thereby reducing the maintenance cost of the device. Through the design of the printing mechanism, the printing roller can be effectively controlled. The amount of ink on the surface and timely recycling of waste ink.

Of course, it is not necessary for any product embodying the present invention to achieve all of the above-described advantages simultaneously.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Fig. 1 is a kind of structural representation of printing equipment for packing carton;

Fig. 2 is the cross-sectional structure schematic diagram of Fig. 1;

Fig. 3 is the internal structure schematic diagram of Fig. 1;

4 is a schematic structural diagram of a flat structure;

Fig. 5 is the sectional structure schematic diagram of Fig. 4;

FIG. 6 is a schematic structural diagram of a deinking and drying mechanism;

Fig. 7 is the cross-sectional structure schematic diagram of Fig. 6;

8 is a schematic structural diagram of a printing mechanism;

Fig. 9 is the cross-sectional structure schematic diagram of Fig. 8;

Figure 10 is a schematic structural diagram of a positive spiral cleaning brush and a negative pressure generating main pipe;

Fig. 11 is a partial enlarged view at A in Fig. 10;

In the accompanying drawings, the list of components represented by each number is as follows:

1. Shell; 2. Feeding port; 3. Discharging port; 4. Conveying mechanism; 5. Ring guide belt; 6. Flat structure; 7. The first support plate; 8. The first lifting drive; 9. Leveling frame; 10. The first annular drive assembly; 11. An annular pressure belt; 12. Leveling pressure roller; 13. Negative pressure suction shaft tube; 14. Forward spiral cleaning brush; 15. Reverse spiral cleaning brush; 16. Negative pressure suction hole; 17. Negative pressure generating manifold; 18. Printing roller; 19. Ink roller; 20. Servo motor; 21. Ink supply assembly; 22. Ink nozzle; 23. Recovery box; 24. Section Two plates; 25, the second lift drive member; 26, the drying rack; 27, the second annular drive assembly; 28, the annular conveying mesh belt; 29, the annular ink removing cotton belt; 30, the drying pipe; 31, the air distribution Tube; 32, vibration motor; 33, limit support main roller; 34, control panel; 35, breathable mesh; 36, printing mechanism; 37, ink removal and drying mechanism; 38, negative pressure vacuum cleaner; 39, air purification 40. Hot air supply mechanism.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Please refer to FIGS. 1-11 , the present invention is a printing device for packaging cartons, comprising a casing 1, a feeding port 2 is provided on the right side of the casing 1, and a discharging port 3 is provided on the left side; the casing 1. A conveying mechanism 4 is fixedly installed inside; the surface of the conveying mechanism 4 is fixedly installed with two symmetrically arranged annular guide belts 5; At the same time, the position of the cardboard is limited from both sides, so as to ensure the regular printing of the cardboard during printing;

Inside the casing 1 and corresponding to the position above the conveying mechanism 4, from right to left, a flat structure 6, a printing mechanism 36 and an ink removing and drying mechanism 37 are fixedly installed; the top surface of the casing 1 corresponds to the flat structure 6, printing The positions of the mechanism 36 and the ink removing and drying mechanism 37 are respectively fixed with a negative pressure vacuum cleaner 38, an air purifier 39 and a hot air supply mechanism 40; the negative pressure vacuum cleaner 38 is essentially a vacuum cleaner, an air cleaner 39 and a vacuum cleaner. The machines are all existing mechanisms and will not be repeated here. The role of the air purifier 39 is to perform online adsorption on the exhaust gas generated by the printing mechanism 36, thereby ensuring the environmental protection and non-toxicity of the device during operation. The hot air supply mechanism 40 is this The hot air supply source of the device;

The flat structure 6 includes two first support plates 7; one surface of the two first support plates 7 is fixedly connected with the conveying mechanism 4; the surfaces of the two first support plates 7 are fixedly connected with a set of first lift driving members 8; The ends of the two groups of the first lift driving members 8 are connected with a leveling frame 9; the first lifting driving member 8 is used to change the distance between the leveling frame 9 and the conveying mechanism 4, and then change the leveling strength of the device;

A first annular drive assembly 10 is fixedly installed inside the flat frame 9; an annular pressure belt 11 is connected to the peripheral side of the first annular drive assembly 10; The cardboard is elastically compressed, and at the same time, through the above material design, it can effectively avoid hard damage to the surface of the cardboard during compression. The matching leveling roller 12; the function of setting the leveling roller 1 is to limit the annular pressure belt 11 at multiple points, thereby ensuring the pressing effect of the annular pressure belt 11;

Between the inner surfaces of the leveling frame 9 and at a position away from the feed port 2, two negative-pressure dust suction shaft pipes 13 connected to each other through chains are rotatably connected; The chain is connected to the first endless drive assembly 10;

A forward spiral cleaning brush 14 and a reverse spiral cleaning brush 15 are fixedly connected to the peripheral sides of the two negative pressure dust suction shaft tubes 13 respectively; through the design of the forward spiral cleaning brush 14 and the reverse spiral cleaning brush 15, the forward spiral Both the cleaning brush 14 and the reverse spiral cleaning brush 15 include a lined spiral skeleton, and the peripheral side of the inner lined spiral skeleton is wrapped with a soft brush. Through the reverse spiral design of the forward spiral cleaning brush 14 and the reverse spiral cleaning brush 15 It has a two-way cleaning effect on the surface of the cardboard. Through the spiral structure design of the forward spiral cleaning brush 14 and the reverse spiral cleaning brush 15, the cardboard surface can be cleaned layer by layer and repeatedly, and through its spiral structure, it can automatically Discharge the cleaned impurities;

A plurality of negative pressure dust suction holes 16 distributed in a circular array are provided on the peripheral sides of the two negative pressure dust suction shaft pipes 13; a negative pressure generation main pipe 17 is fixedly connected to one surface of the flat frame 9; One end of the dust suction port of the machine 38 is fixedly connected with the negative pressure generating main pipe 17 through a pipeline; one end of the two negative pressure dust suction shaft pipes 13 is in rotational communication with the negative pressure generating main pipe 17; Carry out online and timely adsorption;

The printing mechanism 36 includes a printing roller 18; the peripheral side of the printing roller 18 is connected with an ink transfer roller 19 through a chain; both ends of the printing roller 18 and the ink transfer roller 19 are connected to the casing 1 in rotation; the casing 1. A servo motor 20 is fixedly connected to the position of the ink transfer roller 19; one end of the output shaft of the servo motor 20 is fixedly connected to the ink transfer roller 19; 1. An ink supply assembly 21, an ink addition nozzle 22 and a recovery box 23 are respectively fixedly connected inside; one end of the ink supply assembly 21 is connected with the ink addition nozzle 22 and the recovery box 23 respectively; the bottom surface of the ink addition nozzle 22 is fixed There is a set of inkjet heads distributed in a linear array and the ink outlet direction is facing the ink transfer roller 19; the function of the recovery box 23 is to avoid ink waste and to recycle it in time. The function of the ink transfer roller 19 is set on the one hand. Effectively control the amount of ink on the surface of the printing roller 18, and on the other hand, reduce the contamination rate on the surface of the printing roller 18 and help the recovery of ink;

The ink removing and drying mechanism 37 includes two second support plates 24; one surface of the two second support plates 24 is fixedly connected with the conveying mechanism 4; one surface of the two second support plates 24 is fixedly connected with a set of second Lifting driving member 25; two sets of second lifting driving members 25 are connected with drying racks 26 on the peripheral sides; a second annular driving assembly 27 is fixedly installed between the inner surfaces of the drying racks 26; the second annular driving assembly 27 The circumferential side is connected with an annular conveying mesh belt 28; the annular conveying mesh belt 28 is fixedly installed with an annular deinking cotton belt 29; the annular deinking cotton belt 29 is made of absorbent cotton, and the annular deinking cotton belt 29 is attached to the annular conveying net On the belt 28, the annular de-inking cotton belt 29 can be quickly replaced, and the function of the annular de-inking cotton belt 29 is to absorb the excess ink on the surface of the cardboard;

A group of drying pipes 30 distributed in a linear array and matched with the annular ink removing cotton belt 29 are rotatably connected between the inner surfaces of the drying rack 26; one side of the drying rack 26 is fixedly installed with an air distribution pipe 31; One end of the drying pipe 30 is connected with the air distribution pipe 31; one end of the air outlet of the hot air supply mechanism 40 is fixedly connected with the air distribution pipe 31 through a pipe; The two symmetrically arranged vibration motors 32 vibrate at a set frequency during operation. Through the reciprocating vibration design, the ink absorption strength of the annular ink removing cotton belt 29 and the pressing strength of the annular pressing belt 11 to the cardboard are reciprocally changed. The above-mentioned reciprocating motion structure effectively improves the ink absorption and the pressing effect on the cardboard of the device.

Further as shown in Figures 8 and 9, the ink supply assembly 21 includes an ink cartridge; both ends of the ink cartridge are fixedly connected to the housing 1; the top of the ink cartridge is fixedly installed with an ink inlet tube; the peripheral sides of the ink cartridge are respectively fixed An ink-filling pump and a recovery pump are installed; one end of the ink-filling pump's ink inlet is communicated with the ink cartridge; one end of the ink-filling pump's ink outlet is communicated with the ink-filling nozzle 22 through a pipeline; the recovery pump's ink inlet One end of the recovery pump is communicated with the recovery box 23; one end of the ink outlet of the recovery pump is communicated with the ink cartridge.

Further as shown in Figures 1 and 2, the conveying mechanism 4 includes a conveying frame body; the peripheral side surface of the conveying frame body is fixedly connected with the casing 1; an annular main drive assembly is fixedly installed between the inner surfaces of the conveying frame ; The peripheral side of the annular main drive assembly is connected with an annular conveyor belt; the bottom surfaces of the two annular guide belts 5 are fixedly connected with the annular conveyor belt; the surface of the annular conveyor belt is fixedly provided with friction lines; The structural features of the first annular drive assembly 10 and the second annular drive assembly 27 are the same.

Further as shown in FIG. 5 and FIG. 7 , the first annular drive assembly 10 and the second annular drive assembly 27 each include a linear motor, a driving roller and a driven roller; one end of the output shaft of the linear motor is fixed to the driving roller. connect.

Further as shown in Fig. 3, Fig. 4, Fig. 5 and Fig. 6, the first lift drive member 8 and the second lift drive member 25 both include electric push rods; the movable section of the electric push rod is fixedly connected with two limited position piece; two symmetrically arranged return springs are sleeved on the peripheral side of the electric push rod and corresponding to the position between the two limit pieces.

Further as shown in FIG. 2 , a set of limit support main rollers 33 distributed in a linear array and matched with the endless conveyor belt are also rotatably connected between the inner surfaces of the conveying mechanism 4 ; one surface of the housing 1 is fixedly installed. There is a control panel 34, and a common type of PLC controller is fixedly installed inside the control panel 34.

Further as shown in FIG. 7 , the surface of the annular conveying mesh belt 28 is provided with a group of equidistantly distributed ventilation meshes 35; the bottom surface of the drying pipe 30 is fixedly connected with a group of air outlet directions vertically downward and facing the annular The drying nozzle matched with the ink removing cotton belt 29.

Further, the hot air supply mechanism 40 includes a hot air generating box; one end of the air inlet of the hot air generating box is fixedly connected to the housing 1; One end of the air outlet of the hot air generating box is communicated with the air distribution pipe 31 through a pipe; a temperature sensor is fixed on one side of the air outlet of the hot air generating box.

Further, a working method of printing equipment for packaging cartons, comprising the following steps:

SS001, pre-adjustment: before work, through the thickness of the cardboard to be printed, adjust the distance between the leveling frame 9 and the drying frame 26 and the conveying mechanism 4 through the first lifting driving member 8 and the second lifting driving member 25, and then adjust the distance of the device to the conveying mechanism 4. The pressing and flattening strength of the cardboard and the degree of ink absorption and drying. At the same time, before use, according to the requirements of drying time and flattening time, adjust the rotation speed of the conveying mechanism 4. When working, the ring main drive assembly moves counterclockwise, and then the cardboard is fed from the feeding port. 2. It is conveyed to the side of the discharge port 3, and the annular main drive assembly and the first annular drive assembly 10 and the second annular drive assembly 27 move in opposite directions at the same speed during operation;

SS002, conveying and pre-pressing and leveling: during operation, the cardboard to be printed is conveyed forward under the action of the conveying mechanism 4. During conveying, the ring-shaped pressing belt 11 and the ring-shaped The annular conveyor belt cooperates to achieve pre-compression and pre-leveling on the surface of the cardboard. Due to the work of the first annular drive assembly 10, it drives the two negative-pressure dust suction shafts 13 to move in the same direction. 13 After moving in the same direction, the pre-cleaning of the cardboard surface is realized by the action of the forward spiral cleaning brush 14 and the reverse spiral cleaning brush 15;

SS003, printing: when working, the ink supply assembly 21 ejects printing ink into the ink transfer roller 19 at a set power and speed, and when the ink supply assembly 21 is working, the servo motor 20 drives the ink transfer roller 19 counterclockwise at a set speed After rotating, the ink transfer roller 19 rotates counterclockwise, and then drives the printing roller 18 to rotate counterclockwise. During the rotation of the ink transfer roller 19, the excess ink will flow back to the recovery box 23. Because the ink transfer roller 19 and the printing roller 18 When working, it is in a tight state, and the ink on the ink transfer roller 19 is then transferred to the printing roller 18. During the transfer process, the excess ink is returned to the recovery box 23 again, and the work of the printing roller 18 is realized. Printing on the surface of cardboard;

SS004, deinking and drying: when working, the annular deinking cotton belt 29 and the annular conveyor belt move in the opposite direction at the same speed, and the hot air supply mechanism 40 supplies hot air to the drying tube 30. After the annular deinking cotton belt 29 works, Then, the excess ink on the cardboard is adsorbed, and after the drying tube 30 blows out, on the one hand, the surface of the cardboard is directly dried, and on the other hand, the annular deinking cotton belt 29 is dried, and then the annular deinking cotton belt 29 is maintained. High adsorption rate, the material after ink removal and drying is discharged through the discharge port 3.

In the description of this specification, description with reference to the terms "one embodiment," "example," "specific example," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the present invention. in one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not exhaust all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the contents of this specification. The present specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (9)

1. The utility model provides a printing equipment for packing carton, includes casing (1), casing (1) right side is provided with feed inlet (2), and the left side is provided with discharge gate (3), its characterized in that:

a conveying mechanism (4) is fixedly arranged in the shell (1); two symmetrically arranged annular guide belts (5) are fixedly arranged on the surface of the conveying mechanism (4); a leveling structure (6), a printing mechanism (36) and an ink removing and drying mechanism (37) are fixedly arranged in the shell (1) from right to left and correspond to the positions above the conveying mechanism (4); a negative pressure dust collector (38), an air purifier (39) and a hot air supply mechanism (40) are respectively and fixedly arranged on the top surface of the shell (1) and corresponding to the positions of the leveling structure (6), the printing mechanism (36) and the ink removing and drying mechanism (37);

the flattening structure (6) comprises two first support plates (7); one surfaces of the two first support plates (7) are fixedly connected with the conveying mechanism (4); the surfaces of the two first support plates (7) are fixedly connected with a group of first lifting driving pieces (8); the end parts of the two groups of first lifting driving pieces (8) are connected with a leveling frame (9); a first annular driving assembly (10) is fixedly arranged in the leveling frame (9); the circumferential side surface of the first annular driving component (10) is connected with an annular pressing belt (11); a group of leveling press rollers (12) which are distributed in a linear array and matched with the annular press belt (11) are rotatably connected between the inner surfaces of the leveling frames (9); two negative pressure dust collection shaft tubes (13) which are connected with each other through chains are rotatably connected between the inner surfaces of the leveling frames (9) and at the side far away from the feed port (2); the peripheral side surface of the negative pressure dust collection shaft tube (13) is connected with the first annular driving component (10) through a chain;

the peripheral sides of the two negative pressure dust collection shaft tubes (13) are respectively and fixedly connected with a forward spiral cleaning brush (14) and a reverse spiral cleaning brush (15); the circumferential side surfaces of the two negative pressure dust absorption shaft tubes (13) are respectively provided with a plurality of negative pressure dust absorption holes (16) which are distributed in a circumferential array; a negative pressure generating main pipe (17) is fixedly connected to one surface of the leveling frame (9); one end of a dust suction port of the negative pressure dust collector (38) is fixedly communicated with the negative pressure generation main pipe (17) through a pipeline; one ends of the two negative pressure dust absorption shaft tubes (13) are rotatably communicated with a negative pressure generation main pipe (17);

the printing mechanism (36) comprises a printing roller (18); the circumferential side surface of the printing roller (18) is connected with an ink transferring roller (19) through a chain; both ends of the printing roller (18) and the ink transferring roller (19) are rotatably connected with the shell (1); a servo motor (20) is fixedly connected to the position of the shell (1) corresponding to the ink transferring roller (19); one end of an output shaft of the servo motor (20) is fixedly connected with the ink transferring roller (19); the periphery side of the ink moving roller (19) is wrapped with ink absorbing cotton; an ink supply assembly (21), an ink supply nozzle (22) and a recovery box (23) are fixedly connected in the shell (1) respectively; one end of the ink supply component (21) is respectively communicated with the ink supply nozzle (22) and the recovery box (23); the bottom surface of the ink adding spray pipe (22) is fixedly communicated with a group of ink jet heads which are distributed in a linear array manner and the ink outlet direction of the ink adding spray pipe is opposite to the ink moving roller (19);

the ink removing and drying mechanism (37) comprises two second support plates (24); one surfaces of the two second support plates (24) are fixedly connected with the conveying mechanism (4); one surface of each of the two second support plates (24) is fixedly connected with a group of second lifting driving pieces (25); the circumferential side surfaces of the two groups of second lifting driving pieces (25) are connected with a drying rack (26); a second annular driving assembly (27) is fixedly arranged between the inner surfaces of the drying racks (26); the peripheral side surface of the second annular driving assembly (27) is connected with an annular conveying mesh belt (28); an annular ink removing cotton belt (29) is fixedly arranged on the annular conveying mesh belt (28); a group of drying pipes (30) which are distributed in a linear array and matched with the annular ink removing cotton belt (29) are rotatably connected between the inner surfaces of the drying frames (26); an air distribution pipe (31) is fixedly arranged on one side surface of the drying rack (26); one end of each group of drying pipes (30) is communicated with an air distribution pipe (31); one end of the air outlet of the hot air supply mechanism (40) is fixedly communicated with the air distribution pipe (31) through a pipeline; and two symmetrically arranged vibration motors (32) are fixedly arranged on the peripheral side surfaces of the drying rack (26) and the leveling rack (9).

2. A printing apparatus for packaging cartons according to claim 1, wherein the ink supply assembly (21) comprises an ink cartridge; both ends of the ink box are fixedly connected with the shell (1); an ink inlet pipe is fixedly arranged at the top end of the ink box; the circumferential side surfaces of the ink box are respectively and fixedly provided with an ink adding pump and a recovery pump; one end of the ink inlet of the ink adding pump is communicated with the ink box; one end of the ink adding pump ink outlet is communicated with the ink adding nozzle (22) through a pipeline; one end of the ink inlet of the recovery pump is communicated with a recovery box (23); one end of the ink outlet of the recovery pump is communicated with the ink box.

3. A printing apparatus for packaging cartons according to claim 1, characterised in that said conveying means (4) comprises a carriage body; the circumferential side surface of the conveying frame body is fixedly connected with the shell (1); an annular main driving assembly is fixedly arranged between the inner surfaces of the conveying frame bodies; the circumferential side surface of the annular main driving component is connected with an annular conveying belt; the bottom surfaces of the two annular guide belts (5) are fixedly connected with the annular conveying belt; friction grains are fixedly arranged on the surface of the annular conveying belt; the annular main drive assembly has the same structural characteristics as the first annular drive assembly (10) and the second annular drive assembly (27).

4. A printing apparatus for packaging cartons according to claim 1, characterised in that the first endless drive assembly (10) and the second endless drive assembly (27) each comprise a linear motor, a drive roller and a driven roller; one end of the output shaft of the linear motor is fixedly connected with the driving roller.

5. A printing apparatus for packaging cartons as claimed in claim 1, characterised in that said first (8) and second (25) lifting drives each comprise an electric ram; the movable section of the electric push rod is fixedly connected with two limiting pieces; two symmetrically arranged return springs are sleeved on the peripheral side face of the electric push rod and correspond to the position between the two limiting pieces.

6. A printing apparatus for packaging cartons according to claim 1, wherein a group of spacing support main rollers (33) which are distributed in a linear array and matched with the endless conveyor belt are rotatably connected between the inner surfaces of the conveying mechanisms (4); a control panel (34) is fixedly arranged on one surface of the shell (1).

7. A printing apparatus for packaging carton according to claim 1, characterized in that the surface of said endless conveyor belt (28) is provided with a set of air permeable mesh openings (35) distributed at equal intervals; and the bottom surface of the drying pipe (30) is fixedly communicated with a group of drying nozzles which are vertically downward in air outlet direction and are opposite to the annular ink removing cotton belt (29) in a matched manner.

8. A printing apparatus for packaging cartons according to claim 1, wherein said hot air supply means (40) comprises a hot air generation box; one end of the air inlet of the hot air generating box body is fixedly communicated with the shell (1); a fan and an electric heating wire are respectively and fixedly arranged in the hot air generating box body; one end of the air outlet of the hot air generating box body is communicated with an air distribution pipe (31) through a pipeline; and a temperature sensor is fixedly arranged on one side of the air outlet of the hot air generating box body.

9. A method of operating a printing apparatus for packaging cartons as claimed in any one of claims 1 to 8, characterised by the steps of:

SS001, presetting: before work, through the thickness of a paper board to be printed, the distance between the leveling frame (9) and the drying frame (26) and the conveying mechanism (4) is respectively adjusted through the first lifting driving piece (8) and the second lifting driving piece (25), then the pressing leveling strength and the ink absorption drying degree of the device to the paper board are adjusted, simultaneously, before use, the rotating speed of the conveying mechanism (4) is adjusted according to the requirements of drying time and leveling time, during work, the annular main driving assembly moves anticlockwise, then the paper board is conveyed to one side of the discharge hole (3) from the feed port (2), and during work, the annular main driving assembly moves reversely with the first annular driving assembly (10) and the second annular driving assembly (27) at the same speed;

SS002, material conveying and prepressing leveling: during operation, a paperboard to be printed is conveyed forwards under the action of the conveying mechanism (4), the annular pressing belt (11) and the annular conveying belt move at the same speed in the reverse direction during conveying, the annular pressing belt (11) is matched with the annular conveying belt to pre-press and pre-level the surface of the paperboard, the first annular driving assembly (10) works to drive the two negative pressure dust suction shaft tubes (13) to move in the same direction, and after the two negative pressure dust suction shaft tubes (13) move in the same direction, the surface of the paperboard is pre-cleaned under the action of the forward spiral cleaning brush (14) and the reverse spiral cleaning brush (15);

SS003, printing: when the paperboard printing machine works, the ink supply assembly (21) ejects printing ink into the ink transfer roller (19) at a set power and speed, when the ink supply assembly (21) works, the servo motor (20) drives the ink transfer roller (19) to rotate anticlockwise at a set speed, after the ink transfer roller (19) rotates anticlockwise, the printing roller (18) is driven to rotate anticlockwise, redundant ink can flow back into the recovery box (23) in the rotating process of the ink transfer roller (19), because the ink transfer roller (19) and the printing roller (18) are in a close state in the working process, the ink on the ink transfer roller (19) is transferred to the printing roller (18), and in the transferring process, the redundant ink flows back to the recovery box (23) again, and through the working of the printing roller (18), the paperboard surface is printed;

SS004, ink removing and drying: during operation, the cotton area of annular ink removal (29) is the reverse same-speed motion with endless conveyor, hot-blast feed mechanism (40) carry out hot-blast supply to drying tube (30) simultaneously, the cotton area of annular ink removal (29) work back, then adsorb unnecessary printing ink on the cardboard, after drying tube (30) air-out, on the one hand carries out direct drying operation to the cardboard surface, on the other hand removes the cotton area of annular ink removal (29) and dries, then keep the high adsorption efficiency of the cotton area of annular ink removal (29), remove the material of ink and after the drying finishes and discharge via discharge gate (3).

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