CN221022884U - Jet printing module and inkjet printing equipment - Google Patents

Abstract

The application provides an inkjet printing module and inkjet printing equipment, wherein the inkjet printing equipment comprises an inkjet printing module, and the inkjet printing module comprises a substrate and at least one spray head arranged on the substrate; a first adjusting component and a second adjusting component are arranged corresponding to each spray head; the first adjusting component is arranged on the substrate and is abutted with the spray head to adjust the position of the spray head along the length extension direction of the spray head; the second adjusting component is arranged on the substrate and is abutted with the spray head so as to deflect the spray head on the substrate. According to the application, the spray heads, the first adjusting component and the second adjusting component are directly arranged on the substrate, so that the structure and the cost of the spray printing module are simplified, and meanwhile, the space occupied by the corresponding spray heads on the substrate is reduced, so that the layout of the spray heads on the substrate can be more compact, the layout of the spray heads can be changed at the later stage, the printing width is larger, and the printing efficiency is higher.

Description

Jet printing module and inkjet printing equipment

Technical Field

The application belongs to the technical field of inkjet printing, and particularly relates to an inkjet printing module and inkjet printing equipment.

Background

The spray printing module is a core module of the digital printing device, and generally comprises a substrate and a plurality of spray heads mounted on the substrate, wherein the spray heads are used for being matched together to print colorful patterns on a printing medium. The relative position precision among the spray heads determines the effect of printing patterns by the spray die set, and if the spray head adjustment precision is insufficient, adverse effects such as chromatic aberration, ghost image and the like are easy to occur, so that the printing quality is seriously affected.

When the spray head is installed, the ideal installation effect can not be achieved at one time due to the limitation of the processing precision of the base plate, so that fine adjustment and control are needed to be carried out through the adjusting device in the later period. The existing spray head adjusting mode is that a spray head mounting seat is arranged on a substrate, a spray head is arranged on the spray head mounting seat, and then an adjusting device is arranged on the spray head mounting seat to adjust the spray head. The adjustment mode of the spray head leads to complex structure of the spray printing module, occupies a large space, greatly influences the layout of the spray head, has small printing width, low printing efficiency and high structural cost.

Disclosure of utility model

The embodiment of the application aims to provide a jet printing module and an inkjet printing device, which are used for solving the technical problem that the layout of a spray head is greatly influenced by the occupied space of an adjusting structure of the spray head in the prior art.

In order to achieve the above purpose, the application adopts the following technical scheme: providing a spray die assembly, comprising a substrate and at least one spray head arranged on the substrate; a first adjusting component and a second adjusting component are arranged corresponding to each spray head; the first adjusting component is arranged on the substrate and is abutted with the spray head so as to adjust the position of the spray head along the length extension direction of the spray head; the second adjusting component is installed on the substrate, and the second adjusting component is abutted with the spray head so as to enable the spray head to deflect on the substrate.

In one embodiment, the first and second adjustment assemblies are mounted at opposite ends of the spray head along its length extension.

In one embodiment, the first adjusting component comprises a first fixing part and a first adjusting part, the first fixing part is installed on the base plate, the first adjusting part is in threaded connection with the first fixing part, the first adjusting part is provided with a first conical surface, and the first conical surface is abutted with the spray head so as to apply force to the spray head in the extending direction along the length of the first conical surface.

In one embodiment, a limiting groove is formed at one end of the spray head along the length extension direction of the spray head, and the first adjusting piece is at least partially arranged in the limiting groove; the limiting groove is provided with two first abutting surfaces which are connected in a V shape; the first abutting surfaces are perpendicular to the substrate, and the symmetrical surfaces of the two first abutting surfaces are overlapped with the symmetrical surfaces of the spray head along the width extending direction of the spray head; the two first abutting surfaces are respectively abutted with the first conical surfaces.

In one embodiment, the second adjusting component comprises a second fixing piece and a second adjusting piece, wherein the second fixing piece is installed on the base plate, and the second adjusting piece is in threaded connection with the second fixing piece; the second adjusting member has a second conical surface facing the spray head with a force in the direction of its width extension, and the first adjusting member has a displacement restriction in the direction of its width extension for the spray head.

In one embodiment, an abutting groove is formed at one end of the spray head along the length extension direction of the spray head, and the second adjusting piece is at least partially arranged in the abutting groove; the abutting groove is provided with a second abutting surface abutting against the second conical surface, the second abutting surface is perpendicular to the substrate, and the second abutting surface is parallel to the length extending direction of the spray head.

In one embodiment, the jet printing module further comprises an elastic piece, wherein the elastic piece is fixed on the substrate and elastically abuts against the spray head; the elastic piece and the first adjusting component have opposite acting forces on the spray head, and the elastic piece and the second adjusting component have opposite acting forces on the spray head.

In one embodiment, a third abutting surface is formed on the spray head, and the elastic piece elastically abuts against the third abutting surface; the third abutting surface is perpendicular to the substrate, the third abutting surface and the length extending direction of the spray head form an included angle, and the third abutting surface and the width extending direction of the spray head form an included angle.

In one embodiment, the base plate is provided with a mounting column, the elastic piece is a spring piece, one end of the elastic piece is fixed on the mounting column, and the other end of the elastic piece is abutted to the spray head.

The jet printing module provided by the application has the beneficial effects that: according to the jet printing module provided by the embodiment of the application, the spray heads, the first adjusting component and the second adjusting component are directly arranged on the substrate, so that the arrangement of the spray head mounting seat is omitted, the structure and the cost of the jet printing module are simplified, meanwhile, the space occupied by each spray head corresponding to the substrate is reduced, the layout of the spray heads on the substrate can be more compact, the layout of the spray heads can be changed at the later stage, the printing width is larger, and the printing efficiency is higher.

On the other hand, the application also provides ink-jet printing equipment, which comprises the ink-jet printing module.

The ink jet printing device provided by the application has the beneficial effects that: the ink jet printing equipment provided by the embodiment of the application has the advantages of simple structure, low cost, larger printing width and higher printing efficiency through the arrangement of the ink jet printing module.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic top view of a jet printing module according to an embodiment of the present disclosure;

Fig. 2 is a schematic structural diagram of a nozzle, a first adjusting assembly, a second adjusting assembly, and a balancing assembly in a jet printing module according to an embodiment of the present application;

FIG. 3 is a schematic top view of the showerhead, first and second adjustment assemblies and balance assembly of FIG. 2;

FIG. 4 is a schematic cross-sectional view of the showerhead, first adjustment assembly, second adjustment assembly, and balancing assembly of FIG. 2;

FIG. 5 is a schematic cross-sectional view of the first adjustment assembly, the substrate, and the showerhead of FIG. 2;

FIG. 6 is a schematic view of the first adjusting member shown in FIG. 5;

FIG. 7 is a schematic view of the first fixing member shown in FIG. 5;

FIG. 8 is a schematic view of the balance assembly of FIG. 2;

fig. 9 is a schematic diagram of a spray head arrangement in the prior art.

Wherein, each reference sign in the figure:

100. A substrate; 200. a spray head; 210. a limit groove; 211. a first abutment surface; 220. an abutment groove; 221. a second abutment surface; 222. a limiting surface; 230. a third abutment surface; 300. a first adjustment assembly; 310. a first fixing member; 311. a fixed section; 312. a threaded section; 313. a connection section; 314. a first step; 320. a first adjustment member; 321. a first conical surface; 322. a threaded hole; 323. a limiting hole; 324. a second step; 400. a second adjustment assembly; 410. a second fixing member; 420. a second adjusting member; 421. a second conical surface; 500. a balancing assembly; 510. an elastic member; 511. a first elastic sheet; 512. a second spring plate; 520. and (5) mounting a column.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 4, an inkjet module according to an embodiment of the present application will now be described. The spray die assembly comprises a substrate 100 and at least one spray head 200 arranged on the substrate 100; a first adjusting component 300 and a second adjusting component 400 are arranged corresponding to each spray head 200; the first adjusting assembly 300 is mounted on the substrate 100, and the first adjusting assembly 300 abuts against the showerhead 200 to adjust the position of the showerhead 200 along the extending direction of the length thereof; the second adjustment assembly 400 is mounted on the substrate 100, and the second adjustment assembly 400 abuts the showerhead 200 to deflect the showerhead 200 on the substrate 100.

The length extending direction of the nozzle 200 generally refers to a distribution direction of the nozzle holes on the nozzle 200, that is, a direction with the largest length dimension of the nozzle 200, for example, a direction indicated by an X arrow in fig. 1 and 3. The width extension direction of the head 200 is a direction perpendicular to the length extension direction, for example, a direction indicated by a Y arrow in fig. 1 and 3.

In addition, the number of the heads 200 may be one or plural, and when the number of the heads 200 is plural, as shown in fig. 1, the heads 200 are arranged according to the printing resolution requirement, and the heads 200 are mounted on the substrate 100.

During assembly, the spray head 200, the first adjusting component 300 and the second adjusting component 400 are respectively installed on the substrate 100, and then fine adjustment is performed on the spray head 200 through the first adjusting component 300 and the second adjusting component 400 according to the installation position requirement of the spray head 200. For example, the position of the spray head 200 along its length extension may be adjusted by the first adjustment assembly 300, such as moving the spray head 200 up or down as in 1; for another example, the mounting angle of the showerhead 200 on the substrate 100 may be adjusted by the second adjusting assembly 400, for example, pushing the showerhead 200 to deflect clockwise or counterclockwise so that the respective showerheads 200 are parallel to each other.

According to the jet printing module in the embodiment of the application, the jet printing 200, the first adjusting component 300 and the second adjusting component 400 are directly arranged on the substrate 100, so that the arrangement of a jet printing mounting seat is omitted, the structure and the cost of the jet printing module are simplified, meanwhile, the occupied space of the substrate 100 corresponding to each jet printing 200 is reduced, the layout of the jet printing 200 on the substrate 100 can be more compact, the layout of the jet printing 200 can be changed at the later stage, the printing width is larger, and the printing efficiency is higher.

Referring to fig. 1, an arrangement of the spray heads 200 in the present application is shown, and fig. 9 is a schematic diagram of an arrangement of spray heads 200 with spray head mounting seats in the prior art, so that the arrangement of spray heads 200 in the present application can be more compact.

In an embodiment, referring to fig. 3 and 4, the first adjusting component 300 and the second adjusting component 400 are respectively installed at two opposite ends of the nozzle 200 along the length extension direction thereof, so that two opposite ends of the nozzle 200 along the length extension direction thereof can be limited, when the nozzle 200 is fine-tuned at one end of the nozzle 200 by the first adjusting component 300, the other end of the nozzle 200 can be abutted by the second adjusting component 400, so as to ensure the stability and accuracy of the adjustment of the nozzle 200; when the fine adjustment is performed on the spray head 200 at one end of the spray head 200 through the second adjusting assembly 400, the other end of the spray head 200 can be abutted through the first adjusting assembly 300, so that the stability and the accuracy of the adjustment of the spray head 200 are ensured.

In one embodiment, referring to fig. 3 to 7, the first adjusting assembly 300 includes a first fixing member 310 and a first adjusting member 320, the first fixing member 310 is mounted on the substrate 100, the first adjusting member 320 is screwed with the first fixing member 310, the first adjusting member 320 has a first conical surface 321, and the first conical surface 321 abuts against the showerhead 200 to apply a force on the showerhead 200 along the length thereof.

When the position of the spray head 200 needs to be finely adjusted, the first adjusting piece 320 is rotated by external force, and the first adjusting piece 320 is in threaded connection with the first fixing piece 310, so that the first adjusting piece 320 can be lifted along the axial direction after rotating, and accordingly different height positions of the first conical surface 321 are abutted to the spray head 200, and different displacement driving is generated on the spray head 200 along the length extending direction of the spray head, so that fine adjustment of the position of the spray head 200 along the length extending direction of the spray head is realized.

In one embodiment, referring to fig. 5 to 7, the first fixing member 310 and the first adjusting member 320 are both in a solid-of-revolution structure. The first fixing piece 310 comprises a fixing section 311 and a threaded section 312 which are coaxially connected, and the fixing section 311 is fixed on the substrate 100 through a fastener; the first adjusting member 320 is formed at the center thereof with a screw hole 322, and the screw thread section 312 is inserted into the screw hole 322 to achieve screw-coupling between the first adjusting member 320 and the first fixing member 310.

In addition, the first fixing member 310 further includes a connection section 313, the connection section 313 is connected between the fixing section 311 and the threaded section 312, and a first step 314 is formed between the connection section 313 and the threaded section 312. The first adjusting member 320 is further formed with a limiting hole 323, the limiting hole 323 is coaxially communicated with the threaded hole 322, and a second step 324 is formed between the limiting hole 323 and the threaded hole 322. When the first adjusting member 320 moves downward until the first step 314 abuts against the second step 324, the first adjusting member 320 cannot move downward, that is, the moving stroke of the first adjusting member 320 is limited by the first step 314 and the second step 324, so as to limit the fine adjustment of the spray head 200.

In one embodiment, referring to fig. 4, a limiting groove 210 is formed at one end of the nozzle 200 along the length extension direction, and the first adjusting member 320 is at least partially disposed in the limiting groove 210; the limiting groove 210 is provided with two first abutting surfaces 211 which are connected in a V shape; the first abutting surfaces 211 are arranged perpendicular to the substrate 100, and the symmetrical surfaces of the two first abutting surfaces 211 are overlapped with the symmetrical surfaces of the spray head 200 along the width extending direction thereof; the two first contact surfaces 211 are respectively in contact with the first conical surface 321. In this embodiment, the first conical surface 321 is respectively abutted with the two first abutment surfaces 211 to achieve fine adjustment of the spray head 200, and the first adjusting member 320 can be clamped and limited by the two first abutment surfaces 211, so as to ensure the position adjustment stability between the first adjusting member 320 and the spray head 200.

In one embodiment, referring to fig. 5, a limiting groove 210 is formed through the bottom end of the showerhead 200 along the height direction of the showerhead 200, so that the first adjusting member 320 can be laterally inserted into the limiting groove 210 to adjust the showerhead 200.

In one embodiment, referring to fig. 5, the limiting groove 210 is formed at a middle position of the nozzle 200 along the width direction, so as to ensure that the acting force of the first adjusting member 320 on the nozzle 200 is uniformly distributed along the width direction of the nozzle 200, and ensure the adjusting precision of the first adjusting member 320 on the nozzle 200.

In one embodiment, referring to fig. 2, the second adjusting assembly 400 includes a second fixing member 410 and a second adjusting member 420, the second fixing member 410 is mounted on the substrate 100, the second adjusting member 420 is in threaded connection with the second fixing member 410, the second adjusting member 420 has a second conical surface 421, the second conical surface 421 has a force on the showerhead 200 along its width extending direction, and the first adjusting assembly 300 has a displacement restriction on the showerhead 200 along its width extending direction.

When the arrangement direction of the spray holes of each spray head 200 is found to be not parallel, the second adjusting member 420 can be rotated by an external force, and the second adjusting member 420 is in threaded connection with the second fixing member 410, so that the second adjusting member 420 can be lifted along the axial direction after being rotated, and the different height positions of the second conical surface 421 are abutted against the spray heads 200, so that different displacement driving is generated on the spray heads 200 along the width direction of the spray heads 200, and meanwhile, due to the limiting arrangement of the first adjusting member 320 on the spray heads 200, the spray heads 200 can deflect by taking the first adjusting member 320 as the center, so that the installation angle of the spray heads 200 on the substrate 100 is adjusted, and the parallel arrangement of the spray holes of each spray head 200 is ensured.

The structure and operation of the second fixing member 410 are the same as those of the first fixing member 310, and detailed description of the specific structure of the second fixing member 410 will not be provided here. Likewise, the structure and operation principle of the second regulating member 420 are the same as those of the second fixing member 410, and the detailed description of the specific structure of the second regulating member 420 will not be provided here.

In one embodiment, referring to fig. 2 and 4, an abutment groove 220 is formed at one end of the nozzle 200 along the length extension direction, and the second adjusting member 420 is at least partially disposed in the abutment groove 220; the contact groove 220 has a second contact surface 221 that contacts the second conical surface 421, the second contact surface 221 is provided perpendicular to the substrate 100, and the second contact surface 221 is provided parallel to the longitudinal extension direction of the showerhead 200. When the second conical surface 421 is driven by the second adjusting member 420 to push the second abutting surface 221, that is, push one end of the spray head 200 in the width direction, the spray head 200 rotates around the first adjusting member 320, so as to realize the position deflection of the spray head 200.

In one embodiment, referring to fig. 2, the abutment groove 220 is disposed through the bottom end of the showerhead 200 along the height direction of the showerhead 200, so that the second adjusting member 420 can be laterally inserted into the abutment groove 220 to adjust the showerhead 200.

In one embodiment, referring to fig. 4, the second abutment surface 221 is offset from the symmetry surface of the spray head 200 in the width direction, so that when the second abutment surface 221 is pushed, the second adjusting member 420 and the first adjusting member 320 just apply a reverse force to the spray head 200, so that the spray head 200 rotates.

In one embodiment, referring to fig. 4, the limiting groove 210 is L-shaped, the limiting groove 210 further has a limiting surface 222 perpendicular to the second abutting surface 221, and the limiting surface 222 and the second adjusting member 420 are disposed at intervals along the length extending direction of the spray head 200, so that a gap moving along the length extending direction of the spray head 200 can be reserved for the spray head 200.

In one embodiment, referring to fig. 2 to 4, the jet printing module further includes a balancing assembly 500, the balancing assembly 500 includes an elastic member 510, the elastic member 510 is fixed on the substrate 100, and the elastic member 510 is elastically abutted against the nozzle 200; the elastic member 510 and the first adjustment assembly 300 have opposite forces on the spray head 200, and the elastic member 510 and the second adjustment assembly 400 have opposite forces on the spray head 200. In this embodiment, the elastic member 510 is provided to make the spray head 200 in a compressed state during movement and deflection, so that the spray head 200 is more stable during the whole adjustment process.

It should be noted that, when the spray head 200 is installed, in the initial state, the elastic member 510 can have a certain extrusion force on the spray head 200, the extrusion force is increased by screwing the first adjusting member 320, the force is converted into the deformation of the elastic member 510, the force of the elastic member 510 on the spray head 200 is gradually increased along with the rotation of the first adjusting member 320 from the initial smaller, the elastic member 510 is deformed to a certain extent, and the position of the spray head 200 is changed at the moment, so that the effect of adjusting the spray head 200 is achieved.

In one embodiment, referring to fig. 2 and 4, a third abutment surface 230 is formed on the showerhead 200, and the elastic member 510 elastically abuts against the third abutment surface 230; the third contact surface 230 is disposed perpendicular to the substrate 100, the third contact surface 230 and the length extending direction of the showerhead 200 form an included angle, and the third contact surface 230 and the width extending direction of the showerhead 200 form an included angle. In this embodiment, by the arrangement of the third contact surface 230, the elastic member 510 has a force on the nozzle 200 along the extending direction of the length thereof, and the elastic member 510 has a force on the nozzle 200 along the extending direction of the width thereof, so as to ensure stable movement and deflection adjustment of the nozzle 200.

In an embodiment, referring to fig. 3 and 4, the elastic member 510 and the second adjusting assembly 400 are disposed at the same end of the nozzle 200 and spaced apart, and the third abutment surface 230 and the second abutment surface 221 are disposed opposite to each other, so that the elastic member 510 and the second adjusting assembly 420 exert opposite forces on the nozzle 200.

In one embodiment, referring to fig. 2 and 8, a mounting post 520 is disposed on the substrate 100, the elastic member 510 is a spring, one end of the elastic member 510 is fixed on the mounting post 520, and the other end of the elastic member 510 abuts against the showerhead 200. The mounting posts 520 may be configured to mount the elastic member 510 at a certain height of the substrate 100, so that the acting force of the elastic member 510 on the showerhead 200 is balanced with the first adjusting assembly 300 and the second adjusting assembly 400.

In one embodiment, the mounting posts 520 are secured to the base plate 100 by screws. It will be appreciated that in other embodiments of the present application, the mounting posts 520 may be formed directly on the substrate 100, which is not limited only herein.

In an embodiment, referring to fig. 8, the elastic member 510 includes a first elastic piece 511 and a second elastic piece 512, the first elastic piece 511 is attached to the top end of the mounting post 520 and locked, the second elastic piece 512 is in bending connection with the first elastic piece 511, and the second elastic piece 512 is used for elastically abutting against the third abutting surface 230.

In a specific embodiment, the first adjusting member 320 and the second adjusting member 420 are both formed by processing stainless steel columns, the overall height is 15.5mm, and the maximum diameter is 12mm, and because the stainless steel is positioned at the spray head 200, the working environment is relatively wet, so that the service time and the accuracy thereof are ensured by adopting the stainless steel, the cylindricity is ensured during processing, and the large fluctuation of the adjusting amplitude caused by eccentricity during adjustment is avoided.

The first fixing member 310 and the second fixing member 410 are each formed of stainless steel.

The elastic member 510 is made of stainless steel and has a thickness of 0.2mm, so that certain elasticity is ensured but the elastic member cannot be excessively soft.

The mounting post 520 is made of copper alloy, and the overall structure is a cylinder.

On the other hand, the application also provides ink-jet printing equipment, which comprises the ink-jet printing module. The ink jet printing equipment provided by the embodiment of the application has the advantages of simple structure, low cost, larger printing width and higher printing efficiency through the arrangement of the ink jet printing module.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims (10)

1. The spray printing module is characterized by comprising a substrate and at least one spray head arranged on the substrate; a first adjusting component and a second adjusting component are arranged corresponding to each spray head; the first adjusting component is arranged on the substrate and is abutted with the spray head so as to adjust the position of the spray head along the length extension direction of the spray head; the second adjusting component is installed on the substrate, and the second adjusting component is abutted with the spray head so as to enable the spray head to deflect on the substrate.

2. The inkjet module of claim 1, wherein the first and second adjustment assemblies are mounted at opposite ends of the nozzle along a length extension thereof.

3. The inkjet module of claim 1, wherein the first adjustment assembly comprises a first fixture and a first adjustment member, the first fixture is mounted on the substrate, the first adjustment member is in threaded connection with the first fixture, the first adjustment member has a first conical surface that abuts the nozzle to exert a force on the nozzle in a direction extending along a length thereof.

4. A jet printing module according to claim 3, wherein a limit groove is formed at one end of the nozzle along the length extension direction, and the first adjusting member is at least partially disposed in the limit groove; the limiting groove is provided with two first abutting surfaces which are connected in a V shape; the first abutting surfaces are perpendicular to the substrate, and the symmetrical surfaces of the two first abutting surfaces are overlapped with the symmetrical surfaces of the spray head along the width extending direction of the spray head; the two first abutting surfaces are respectively abutted with the first conical surfaces.

5. The jet printing module of claim 1, wherein the second adjustment assembly comprises a second fixing member and a second adjustment member, the second fixing member is mounted on the substrate, and the second adjustment member is in threaded connection with the second fixing member; the second adjusting member has a second conical surface facing the spray head with a force in the direction of its width extension, and the first adjusting member has a displacement restriction in the direction of its width extension for the spray head.

6. The jet printing module according to claim 5, wherein an abutting groove is formed at one end of the nozzle along the length extension direction thereof, and the second adjusting member is at least partially disposed in the abutting groove; the abutting groove is provided with a second abutting surface abutting against the second conical surface, the second abutting surface is perpendicular to the substrate, and the second abutting surface is parallel to the length extending direction of the spray head.

7. The inkjet module of any one of claims 1 to 6, further comprising an elastic member fixed to the substrate, the elastic member elastically abutting the nozzle; the elastic piece and the first adjusting component have opposite acting forces on the spray head, and the elastic piece and the second adjusting component have opposite acting forces on the spray head.

8. The inkjet module of claim 7, wherein the nozzle has a third abutment surface formed thereon, the resilient member resiliently abutting the third abutment surface; the third abutting surface is perpendicular to the substrate, the third abutting surface and the length extending direction of the spray head form an included angle, and the third abutting surface and the width extending direction of the spray head form an included angle.

9. The spray printing module according to claim 7, wherein the substrate is provided with a mounting post, the elastic member is a spring plate, one end of the elastic member is fixed on the mounting post, and the other end of the elastic member is abutted against the spray head.

10. An inkjet printing apparatus comprising the inkjet printing module according to any one of claims 1 to 9.