CN217259168U - Ink jet printing device - Google Patents

Abstract

The utility model discloses an ink jet printing device, including the blowing unit, the receipts material unit, the inkjet unit, stoving unit and board, in operation, treat that the cloth label product of printing is fixed by the blowing unit, and the material can be from the blowing unit to the direction motion of receipts material unit, in the material motion process, the inkjet unit utilizes the inkjet head to spout the printing to cloth label product, and the inkjet unit sets up multiunit inkjet head and printing ink and places the box, so as to carry out the jet printing of different colours, along with the motion of material, the inkjet head spouts the printing to the material through the inkjet unit, the material that the jet printing was accomplished is through drying unit stoving back, be fixed in the receipts material unit, set up the stoving unit before the receipts material unit, jet printing ink has effectively been avoided being infected with at the receipts material unit and has shifted, jet printing quality has been improved. The utility model discloses an ink jet printing device can carry out the continuous spout seal of multiple colour, different pattern characters to the cloth mark product, and production flow is convenient, has effectively improved printing work efficiency.

Description

Ink jet printing device

Technical Field

The utility model relates to an ink jet printing equipment technical field especially relates to an ink jet printing device.

Background

The cloth mark starts in a large city in the early 90 th of the last century, publicity words such as discount information, opening industry and the like are printed on large red cloth, passersby is attracted, a large company carries out artistic arrangement on enterprise trademarks and various art fonts to manufacture a huge cloth advertisement picture suspension shop floor, along with the commercial development of the city, various paper and plastic-sprayed outdoor advertisements replace the cloth mark, and the cloth mark is moved from the large city to a medium-small city and a rural city and is one of popular forms of rural outdoor advertisements, and most of the current cloth marks are sewn on clothes and used as advertisements or are more attractive.

Cloth mark printing generally adopts screen printing equipment, and current screen printing equipment needs the plate-making, and the waiting period is long to polychrome chromatography needs experienced personnel to debug, if the printing quantity is few just needs very high printing cost.

In recent years, the anti-counterfeiting technology is continuously upgraded, the types of the anti-counterfeiting technology are more and more, the physical anti-counterfeiting means is subverted by the appearance of one object and one code, and the foundation is laid for the dynamic digital anti-counterfeiting technology. Because the anti-counterfeiting codes given to each product by one object code are different, enterprises can add different information to different anti-counterfeiting codes, so that personalized marketing is realized, and marketing is successfully promoted to be scene-oriented, accurate and intelligent by one object code technology.

The variable data printing of the cloth label is generally realized by adopting a thermal transfer bar code printer, and after fixed contents or colorful patterns are printed by the traditional printing, the bar code printer is used for printing variable contents such as numbers, bar codes and patterns, thereby undoubtedly further increasing the printing period; if the color variable data content needs to be printed, the bar code printer cannot realize the printing; in addition, the bar code printer is a desktop printer, the printing speed is 6 meters/minute at the fastest speed, the printing efficiency is low, and the industrial printing requirement cannot be met.

Therefore, how to change the current situation that in the prior art, the label-distribution variable data printing is performed by a barcode printer, so that the printing period is long and the printing efficiency is low, becomes a problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an ink jet printing device to solve the problem that above-mentioned prior art exists, improve the work efficiency of the variable data printing of cloth mark.

In order to achieve the above object, the utility model provides a following scheme: the utility model provides an ink jet printing device, include:

the discharging unit can fix materials to be printed;

a receiving unit capable of fixing a printed material;

the ink jet unit comprises ink jet heads and ink placing boxes, the ink placing boxes are communicated with the ink jet heads, the ink jet heads are arranged towards the material and can perform jet printing on the material, and the number of the ink jet heads and the number of the ink placing boxes are respectively in multiple groups and are in one-to-one correspondence; the ink jet unit is positioned between the emptying unit and the material receiving unit;

the drying unit can dry the printed material, and is positioned between the ink jet unit and the material receiving unit;

the discharging unit, the receiving unit, the ink jet unit and the drying unit are all connected with the machine table, the ink jet unit is slidably connected with the machine table, and the sliding direction of the ink jet unit relative to the machine table is perpendicular to the moving direction of the material when the material passes through the ink jet unit.

Preferably, the discharging unit comprises a discharging wheel, the discharging wheel can fix a material roll, the receiving unit comprises a receiving wheel, the receiving wheel can enable the printed material to be wound on the receiving wheel, the discharging wheel and the receiving wheel are both rotatably connected with the machine table, and the axis of the discharging wheel is parallel to the receiving wheel;

and a guide assembly is arranged between the discharging unit and the receiving unit and can guide materials.

Preferably, the guide assembly comprises guide rollers, the guide rollers are rotatably connected with the machine table, the axes of the guide rollers are parallel to the axes of the discharging wheels, the number of the guide rollers is multiple, and the guide rollers are arranged at intervals along the direction from the discharging wheels to the receiving wheels.

Preferably, the guide rollers are arranged spirally.

Preferably, the drying unit includes the stoving case, the stoving case can be dried to the material after the printing, the stoving case is back font structure, the stoving case includes stoving outer wall and stoving inner wall, the stoving outer wall with form the stoving passageway that allows the material that the printing was accomplished to pass through between the stoving inner wall, part the guide roll set up in the stoving passageway, the material receiving unit set up in the space that the stoving inner wall encloses, the stoving outer wall has the feed inlet that allows the material to pass through, the stoving inner wall has the discharge gate that allows the material to pass through.

Preferably, the material collecting unit further comprises a traction roller and a first driving element, the traction roller is rotatably connected with the machine table, the axis of the traction roller is parallel to the axis of the material collecting wheel, and the material collecting wheel and the traction roller are in transmission connection with the first driving element; the traction roller faces the discharge hole.

Preferably, the inkjet unit further includes a support frame, the inkjet head and the ink containing box are both disposed on the support frame, the support frame is slidably connected to the machine, a slide rail is disposed between the support frame and the machine, the support frame is connected to a second driving element, and the second driving element is disposed on the machine.

Preferably, the inkjet unit further comprises an ink receiving box and a cleaning component, when the inkjet head performs printing, the ink receiving box is located at the bottom of the inkjet head, the cleaning component is arranged on one side of the ink receiving box, and a connecting line of the ink receiving box and the cleaning component is parallel to the reciprocating sliding direction of the supporting frame.

Preferably, the cleaning assembly includes a rotating rod, a cleaning blade and a third driving element, the third driving element is in transmission connection with the rotating rod, the third driving element is fixed on the machine table, the cleaning blade is connected with the rotating rod, the cleaning blade can clean the inkjet heads, the cleaning blade is arranged along the axial direction of the rotating rod, and the axial line of the rotating rod is parallel to the arrangement direction of the multiple groups of inkjet heads; the bottom of rotary rod sets up the waste liquid box, still set up clean box in the waste liquid box, clean box can hold the cleaning solution, the cleaning solution can wash clean the doctor-bar, the waste liquid box and clean box is uncovered structure.

Preferably, the inkjet printing device further comprises a deviation rectifying unit and a control unit, wherein the deviation rectifying unit is arranged between the discharging unit and the inkjet unit, and can adjust the position of the material to be printed;

the discharging unit, the receiving unit, the ink jetting unit and the drying unit are all connected with the control unit.

The utility model discloses for prior art gain following technological effect: the utility model discloses an ink jet printing device, including blowing unit, receipts material unit, inkjet unit, stoving unit and board, wherein, the blowing unit can fix the material of waiting to print; the material receiving unit can fix the printed material; the ink jet unit comprises an ink jet head and an ink placing box, the ink placing box is communicated with the ink jet head, the ink jet head is arranged towards the material and can perform jet printing on the material, and the number of the ink jet head and the number of the ink placing box are respectively multiple groups and are in one-to-one correspondence; the ink jet unit is positioned between the discharging unit and the receiving unit; the drying unit can dry the printed material, and is positioned between the ink jet unit and the material receiving unit; the discharging unit, the receiving unit, the ink-jet unit and the drying unit are all connected with the machine table, the ink-jet unit is slidably connected with the machine table, and the sliding direction of the ink-jet unit relative to the machine table is perpendicular to the moving direction of the material when the material passes through the ink-jet unit.

The utility model discloses an ink jet printing device, in operation, the cloth label product of waiting to print is fixed by the blowing unit, and the material can be from the blowing unit to the direction motion of receiving the unit, in the material motion process, the ink jet unit utilizes the inkjet head to spout the cloth label product and prints, and the ink jet unit sets up multiunit inkjet head and printing ink and places the box, so as to carry out the jet printing of different colours, along with the motion of material, the inkjet head spouts the seal to the material through the ink jet unit, the material that the jet printing was accomplished is dried through drying unit, be fixed in receiving the unit, set up drying unit before receiving the unit, effectively avoided spouting printing ink and being stained with at receiving the unit and shifted, improved and spouted the seal quality; it should be further noted that the ink jet unit is slidably disposed on the machine platform, and the sliding direction of the ink jet unit is perpendicular to the moving direction of the material, so that the ink jet unit can perform jet printing on different areas of the material, and the jet printing quality is further ensured. The utility model discloses an ink jet printing device can carry out the continuous jet printing of multiple colour, different pattern characters to the cloth mark product, and production flow is convenient, has effectively improved printing work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of an inkjet printing apparatus according to the present invention;

fig. 2 is a schematic front view of an inkjet printing apparatus according to the present invention;

fig. 3 is a schematic view of a part of the structure of the inkjet printing apparatus according to the present invention;

fig. 4 is a schematic structural view of an ink jet unit of the ink jet printing apparatus according to the present invention;

FIG. 5 is a schematic view of a cleaning assembly of the ink jet printing apparatus of the present invention;

fig. 6 is a schematic structural diagram of a material receiving unit of the inkjet printing apparatus according to the present invention.

Wherein 100 is an inkjet printing apparatus;

the device comprises an ink jet unit 1, an ink jet head 101, an ink placing box 102, a support frame 103, a slide rail 104, a discharging unit 2, a discharging wheel 201, a receiving unit 3, a receiving wheel 301, a traction roller 302, a first driving element 303, a drying unit 4, a drying box 401, a drying outer wall 402, a drying inner wall 403, a feeding hole 404, a discharging hole 405, a machine table 5, a guide assembly 6, a guide roller 601, a cleaning assembly 7, a rotating rod 701, a cleaning blade 702, a third driving element 703, a waste liquid box 704, a cleaning box 705, a deviation rectifying unit 8 and a control unit 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model aims at providing an ink jet printing device to solve the problem that above-mentioned prior art exists, improve the work efficiency of the variable data printing of cloth mark.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Please refer to fig. 1-6, wherein, fig. 1 is an axial schematic view of the inkjet printing apparatus of the present invention, fig. 2 is a schematic view of the inkjet printing apparatus of the present invention, fig. 3 is a schematic view of a part of the structure of the inkjet printing apparatus of the present invention, fig. 4 is a schematic view of the structure of the inkjet unit of the inkjet printing apparatus of the present invention, fig. 5 is a schematic view of the structure of the cleaning component of the inkjet printing apparatus of the present invention, and fig. 6 is a schematic view of the structure of the receiving unit of the inkjet printing apparatus of the present invention.

The utility model provides an ink jet printing device 100, which comprises a discharging unit 2, a receiving unit 3, an ink jet unit 1, a drying unit 4 and a machine table 5, wherein the discharging unit 2 can fix materials to be printed; the receiving unit 3 can fix the printed material; the ink jet unit 1 comprises an ink jet head 101 and an ink placing box 102, wherein the ink placing box 102 is communicated with the ink jet head 101, the ink jet head 101 is arranged towards a material, the ink jet head 101 can perform jet printing on the material, and the number of the ink jet head 101 and the number of the ink placing box 102 are respectively multiple groups and are in one-to-one correspondence; the ink jet unit 1 is positioned between the emptying unit 2 and the material receiving unit 3; the drying unit 4 can dry the printed materials, and the drying unit 4 is positioned between the ink jet unit 1 and the material receiving unit 3; the discharging unit 2, the receiving unit 3, the ink jet unit 1 and the drying unit 4 are all connected with the machine table 5, the ink jet unit 1 is slidably connected with the machine table 5, and the sliding direction of the ink jet unit 1 relative to the machine table 5 is perpendicular to the moving direction of the material when the material passes through the ink jet unit 1.

The utility model discloses an ink jet printing device 100, in operation, the cloth label product of waiting to print is fixed by blowing unit 2, and the material can be from blowing unit 2 to the direction motion of receiving unit 3, in the material motion process, ink jet unit 1 utilizes ink jet head 101 to spout the seal to the cloth label product, and ink jet unit 1 sets up multiunit ink jet head 101 and printing ink and places box 102, so as to carry out the jet printing of different colours, along with the motion of material, ink jet head 101 spouts the seal to the material through ink jet unit 1, the material that the jet printing was accomplished is dried by drying unit 4 back, be fixed in receiving unit 3, set up drying unit 4 before receiving unit 3, effectively avoided spouting printing ink to be stained with at receiving unit 3 and shifted, improved and spouted the seal quality; it should be further noted that the inkjet unit 1 is slidably disposed on the machine table 5, and the sliding direction of the inkjet unit 1 is perpendicular to the material moving direction, so that the inkjet unit 1 can perform inkjet printing on different areas of the material, and further the inkjet printing quality is ensured. The utility model discloses an ink jet printing device 100 can carry out the continuous spout seal of multiple colour, different pattern characters to the cloth mark product, and production flow is convenient, has effectively improved printing work efficiency.

It should be noted that the inkjet printing apparatus 100 of the present invention is suitable for printing cloth label products, and is also suitable for printing other products, and the "cloth label products" or "materials" appearing in the present embodiment all refer to products that need to be printed by inkjet printing, and thus the "cloth label products" and "materials" are not contradictory.

The discharging unit 2 comprises a discharging wheel 201, the discharging wheel 201 can fix a material roll, correspondingly, the receiving unit 3 comprises a receiving wheel 301, the receiving wheel 301 can enable the printed material to be wound on the receiving wheel 301, the discharging wheel 201 and the receiving wheel 301 are both rotatably connected with the machine table 5, and the axis of the discharging wheel 201 is parallel to the receiving wheel 301; the mode of adopting the spool is deposited and is waited to print the material and accomodate the material that fixed printing was accomplished, has improved the simple operation degree, and has practiced thrift device occupation space.

In order to ensure the smooth movement of the materials, a guide assembly 6 is arranged between the discharging unit 2 and the receiving unit 3, the material can be guided by the guide assembly 6, and the problem that the operation of the materials brings obstacles to the printing work is avoided.

Specifically, the guide assembly 6 comprises guide rollers 601, the guide rollers 601 are rotatably connected with the machine table 5, the axis of each guide roller 601 is parallel to the axis of the discharging wheel 201, the number of the guide rollers 601 is multiple, and the guide rollers 601 are arranged at intervals along the direction from the discharging wheel 201 to the receiving wheel 301. The guide roll 601 can guide the material to in succession spout the seal of completion material, the quantity of guide roll 601 is many, can arrange according to operating condition, leads the material, and the guide material is by blowing unit 2 to the motion of inkjet unit 1, spouts the seal and accomplishes the back, moves to drying unit 4, then reaches receiving unit 3, and receiving unit 3 is to the material rolling of printing completion. It should be noted that, in practical applications, in order to facilitate the operation of the inkjet unit 1, a set of guide rollers 601 with equal height may be disposed below the inkjet head 101 to ensure that when the material passes below the inkjet head 101 for inkjet printing, the gap between the material and the inkjet head 101 is consistent, thereby improving the inkjet printing quality.

In this embodiment, the guide roll 601 is spirally arranged, similar to a volute, and the diameter of the guide roll is gradually reduced from outside to inside, so that the printed material is located outside the guide roll 601 surrounding the pattern, the guide roll 601 is prevented from contacting the printed pattern, the printing quality is ensured, and meanwhile, the purpose of increasing the movement path of the printed material can be achieved, and the printed pattern can be sufficiently dried.

More specifically, the drying unit 4 includes a drying box 401, the drying box 401 can dry the printed material, the drying box 401 is of a zigzag structure, the drying box 401 includes a drying outer wall 402 and a drying inner wall 403, a drying channel allowing the printed material to pass is formed between the drying outer wall 402 and the drying inner wall 403, a part of the guide rollers 601 is disposed in the drying channel, the printed pattern is sufficiently dried in the process of the printed material moving in the drying channel, the material receiving unit 3 is disposed in the space surrounded by the drying inner wall 403, the drying outer wall 402 has a feeding hole 404 allowing the material to pass, and the drying inner wall 403 has a discharging hole 405 allowing the material to pass. In operation, the outer drying wall 402 and the inner drying wall 403 may be provided with heating elements therein to facilitate drying of the material.

In order to facilitate the smooth movement of the material, the material receiving unit 3 further comprises a traction roller 302 and a first driving element 303, the traction roller 302 is rotatably connected with the machine table 5, the axis of the traction roller 302 is parallel to the axis of the material receiving wheel 301, and the material receiving wheel 301 and the traction roller 302 are in transmission connection with the first driving element 303; the pull roll 302 is positioned toward the discharge port 405. Under the drive of the first driving element 303, the material receiving wheel 301 rotates, so as to drive the material to move, the traction roller 302 plays a role of guiding the material, and the traction roller 302 and the guiding roller 601 can also play a role of tensioning the material, and the ink jet unit 1 performs ink jet printing on the material during the material moving process. In practical application, the emptying unit 2 and the receiving unit 3 can be provided with driving mechanisms, and smooth movement of materials is ensured by double driving.

It should be further noted that the inkjet unit 1 further includes a supporting frame 103, the inkjet head 101 and the ink containing box 102 are both disposed on the supporting frame 103, the supporting frame 103 is slidably connected to the machine table 5, a sliding rail 104 is disposed between the supporting frame 103 and the machine table 5, the supporting frame 103 is connected to a second driving element, and the second driving element is disposed on the machine table 5. The second driving element can drive the supporting frame 103 to slide in a reciprocating manner, so that the reciprocating movement of the ink-jet head 101 is realized, and the ink-jet printing along the width direction of the material is completed.

Further, the inkjet unit 1 further comprises an ink receiving box and a cleaning component 7, when the inkjet head 101 performs printing, the ink receiving box is located at the bottom of the inkjet head 101, so that pollution to other parts during inkjet is avoided, the cleaning component 7 is arranged on one side of the ink receiving box, a connecting line of the ink receiving box and the cleaning component 7 is parallel to the reciprocating sliding direction of the supporting frame 103, when the inkjet head 101 needs cleaning, the supporting frame 103 drives the inkjet head 101 to move towards the direction of the cleaning component 7, the cleaning component 7 continues printing work after cleaning the inkjet head 101, and the inkjet printing quality is improved.

Furthermore, the cleaning assembly 7 includes a rotating rod 701, a cleaning blade 702 and a third driving element 703, the third driving element 703 is in transmission connection with the rotating rod 701, the third driving element 703 is fixed on the machine platform 5, the cleaning blade 702 is connected with the rotating rod 701, the cleaning blade 702 can clean the inkjet heads 101, the cleaning blade 702 is arranged along the axial direction of the rotating rod 701, and the axial line of the rotating rod 701 is parallel to the arrangement direction of the multiple groups of inkjet heads 101; the bottom of rotary rod 701 sets up waste liquid box 704, still sets up cleaning box 705 in waste liquid box 704, and cleaning box 705 can hold the cleaning liquid, and the cleaning liquid can wash cleaning blade 702, and waste liquid box 704 and cleaning box 705 are open structure. When the inkjet head 101 needs to be cleaned, the third driving element 703 drives the rotating rod 701 and the cleaning blade 702 to rotate, so that the cleaning blade 702 cleans the inkjet head, the waste liquid cartridge 704 can contain the cleaned ink and waste liquid, and when the cleaning blade 702 needs to be cleaned, the rotating rod 701 drives the cleaning blade 702 to rotate, so that the cleaning blade 702 can be soaked and cleaned in the cleaning cartridge 705 to prepare for subsequent cleaning of the inkjet head 101. The cleaning component 7 is arranged, so that the service life of the ink jet unit 1 is prolonged, and the ink jet printing quality is effectively improved.

Besides, the inkjet printing device 100 further comprises a deviation rectifying unit 8 and a control unit 9, wherein the deviation rectifying unit 8 is arranged between the discharging unit 2 and the inkjet unit 1, and the deviation rectifying unit 8 can adjust the position of the material to be printed to avoid deviation in the material moving process. Blowing unit 2, receiving unit 3, inkjet unit 1 and stoving unit 4 all link to each other with the control unit 9, improve the controllable degree and the degree of automation of device, improve the simple operation degree simultaneously, reduce operating personnel intensity of labour.

The ink-jet printing device 100 of the utility model, when in operation, cloth label products to be printed are fixed by the discharging unit 2, under the driving of the first driving element 303, the material receiving wheel 301 rotates, thereby driving the material to move from the material discharging unit 2 to the material receiving unit 3, during the movement of the material, the ink jet unit 1 utilizes the ink jet head 101 to perform jet printing on the cloth label product, and the ink jet unit 1 is provided with a plurality of groups of ink jet heads 101 and ink placing boxes 102, so as to carry out the jet printing of different colors, the ink jet unit 1 can reciprocate along the width direction of the material under the drive of the second drive element, the ink jet head 101 finishes jet printing on the material passing through the ink jet unit 1 along with the movement of the material, and the material after jet printing is dried by the drying unit 4 under the guiding action of the guiding component 6 and then is fixed on the material receiving unit 3; after the inkjet unit 1 is subjected to the inkjet printing for a certain number of times, the cleaning assembly 7 can be used for cleaning the inkjet head 101, so that the inkjet printing quality is effectively ensured. The utility model discloses an ink jet printing device 100 can realize that the cloth label product carries out the continuous spout seal of multiple colour, different pattern characters, and production flow is convenient, and degree of automation is high, has practiced thrift manufacturing cost, has effectively improved simultaneously and has spouted seal work efficiency.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims (10)

1. An inkjet printing apparatus, comprising:

the material feeding unit can fix a material to be printed;

a receiving unit capable of fixing a printed material;

the ink jet unit comprises ink jet heads and ink placing boxes, the ink placing boxes are communicated with the ink jet heads, the ink jet heads are arranged towards the material and can perform jet printing on the material, and the number of the ink jet heads and the number of the ink placing boxes are respectively in multiple groups and are in one-to-one correspondence; the ink jet unit is positioned between the discharging unit and the receiving unit;

the drying unit can dry the printed material, and is positioned between the ink jet unit and the material receiving unit;

the discharging unit, the receiving unit, the ink jet unit and the drying unit are all connected with the machine table, the ink jet unit is slidably connected with the machine table, and the sliding direction of the ink jet unit relative to the machine table is perpendicular to the moving direction of the material when the material passes through the ink jet unit.

2. The inkjet printing apparatus according to claim 1, characterized in that: the discharging unit comprises a discharging wheel, the discharging wheel can fix a material roll, the receiving unit comprises a receiving wheel, the receiving wheel can enable the printed material to be wound on the receiving wheel, the discharging wheel and the receiving wheel are both rotatably connected with the machine table, and the axis of the discharging wheel is parallel to the receiving wheel;

and a guide assembly is arranged between the discharging unit and the receiving unit and can guide materials.

3. The inkjet printing apparatus according to claim 2, characterized in that: the guide assembly comprises guide rollers, the guide rollers are rotatably connected with the machine table, the axis of each guide roller is parallel to the axis of the material discharging wheel, the number of the guide rollers is multiple, and the guide rollers are arranged at intervals along the direction from the material discharging wheel to the material collecting wheel.

4. The inkjet printing apparatus according to claim 3, characterized in that: the guide rollers are arranged spirally.

5. The inkjet printing apparatus according to claim 4, characterized in that: the drying unit includes the stoving case, the stoving case can be dried the material after the printing, the stoving case is back font structure, the stoving case is including stoving outer wall and stoving inner wall, the stoving outer wall with form the stoving passageway that the material that allows the printing to accomplish passes through between the stoving inner wall, part the guide roll set up in the stoving passageway, the material receiving unit set up in the space that the stoving inner wall encloses, the stoving outer wall has the feed inlet that allows the material to pass through, the stoving inner wall has the discharge gate that allows the material to pass through.

6. The inkjet printing apparatus according to claim 5, characterized in that: the material collecting unit further comprises a traction roller and a first driving element, the traction roller is rotatably connected with the machine table, the axis of the traction roller is parallel to that of the material collecting wheel, and the material collecting wheel and the traction roller are in transmission connection with the first driving element; the traction roller faces the discharge hole.

7. The inkjet printing apparatus according to claim 1, characterized in that: the ink jet unit further comprises a support frame, the ink jet head and the ink placing box are arranged on the support frame, the support frame is connected with the machine table in a sliding mode, a sliding rail is arranged between the support frame and the machine table, the support frame is connected with a second driving element, and the second driving element is arranged on the machine table.

8. The inkjet printing apparatus according to claim 7, wherein: the ink jet unit further comprises an ink receiving box and a cleaning component, when the ink jet head performs printing, the ink receiving box is located at the bottom of the ink jet head, the cleaning component is arranged on one side of the ink receiving box, and a connecting line of the ink receiving box and the cleaning component is parallel to the reciprocating sliding direction of the supporting frame.

9. The inkjet printing apparatus according to claim 8, wherein: the cleaning assembly comprises a rotating rod, a cleaning blade and a third driving element, the third driving element is in transmission connection with the rotating rod, the third driving element is fixed on the machine table, the cleaning blade is connected with the rotating rod, the cleaning blade can clean the ink jet heads, the cleaning blade is arranged along the axial direction of the rotating rod, and the axial line of the rotating rod is parallel to the arrangement direction of a plurality of groups of ink jet heads; the bottom of rotary rod sets up the waste liquid box, still set up clean box in the waste liquid box, clean box can hold the cleaning solution, the cleaning solution can wash clean the doctor-bar, the waste liquid box and clean box is uncovered structure.

10. The inkjet printing apparatus according to any one of claims 1 to 9, characterized in that: the printing device also comprises a deviation rectifying unit and a control unit, wherein the deviation rectifying unit is arranged between the discharging unit and the ink jet unit and can adjust the position of a material to be printed;

the discharging unit, the receiving unit, the ink jetting unit and the drying unit are all connected with the control unit.

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