Adjusting device for ink-jet printing head

Abstract

The utility model discloses an adjusting device for an ink-jet printing head, and relates to the technical field of printing ink jet. The device comprises an ink-jet printing head mounting device, a mounting mode of an ink-jet printing head and a physical protection mode of the ink-jet printing head. According to the ink-jet printing head adjusting knob device, micro deviation of a spray head in two directions is achieved by rotating a nut; the spring plate applies a certain pre-tightening force to the spray head through the elastic force of the spring plate; the positioning plug pin is used for positioning the basic position of the ink-jet printing head through the positioning hole; according to the utility model, the nozzle is accurately adjusted through the ink-jet printing head adjusting device, so that the accuracy of the ink drop point position of the nozzle is higher. Physical protection of the ink-jet printing head is increased, the service life of the ink-jet printing head is effectively prolonged, and abnormal physical contact such as abnormal impact in use of the ink-jet printing head is prevented; through the arrangement and combination device for the multiple sets of ink-jet printing heads, more arrangement and combination modes or an arrangement and combination mode without limitation of the number of nozzles are achieved, and therefore the overall efficiency of equipment is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of printing inkjet, and particularly relates to an adjusting device for an inkjet print head. Background Art

[0002] In the prior art, for printing inkjet printing equipment, the ink landing position of the inkjet print head mainly affects the printing quality of the inkjet device. Precise landing requires an auxiliary device to adjust the position of the inkjet print head. In the current technology, there is generally a problem that the inkjet print head cannot be accurately adjusted, and there will be a small displacement of the inkjet print head during actual use after adjustment, resulting in unsatisfactory printing stability.

[0003] In the prior art, for printing inkjet printing equipment, the life and service cycle of the inkjet print head are crucial. The main external factors affecting the life are impact and UV light. A short life and service cycle will directly affect the overall performance and use cost of the device.

[0004] In the existing widespread applications, the overall efficiency of the equipment is mostly improved by increasing the number of inkjet print heads. In the prior art, when arranging multiple groups, there are mostly problems such as only supporting a small number of inkjet print head arrangement combinations and inaccuracy during the arrangement of inkjet print heads, which affects the stability of the inkjet printing quality. Content of the Utility Model

[0005] The purpose of the utility model is to provide an adjusting device for an inkjet print head, mainly aiming to accurately and conveniently adjust the physical position of the inkjet print head to improve the stability of printing quality; through a convenient adjustment method, realize the arrangement combination of multiple or unlimited numbers of nozzles, thereby improving the efficiency of the inkjet device. Increase the physical protection of the inkjet print head, effectively extend the service life of the inkjet print head, and prevent abnormal physical contacts such as abnormal impacts during the use of the inkjet print head.

[0006] The purpose of the utility model can be achieved through the following technical solutions:

[0007] An adjusting device for an inkjet print head includes a plurality of inkjet print head mounting devices, an inkjet print head adjusting knob device, a spring plate, a positioning pin, and a nozzle mounting bottom plate. The inkjet print head mounting device is connected to the nozzle mounting bottom plate through mounting screws;

[0008] The inkjet print head adjusting knob device is connected to the threaded hole of the nozzle mounting bottom plate through a fixed shaft thread;

[0009] The spring plate is connected to the nozzle mounting bottom plate through screws;

[0010] The positioning pin is used to calibrate the material positions of the positioning holes on the inkjet print head mounting device and the nozzle mounting bottom plate.

[0011] As a further solution of the present utility model: the inkjet print head mounting device includes an inkjet print head, an inkjet print head fixing seat, an inkjet print head protection cover plate and mounting screws; the inkjet print head is mounted on the inkjet print head fixing seat, and the inkjet print head protection cover plate is magnetically adsorbed and attached to the surface of the inkjet print head fixing seat.

[0012] As a further solution of the present utility model: the inkjet print head adjustment knob device includes a rotating nut, a conical displacement block, a fixed shaft and a compression spring. The fixed shaft is screwed onto the nozzle mounting base plate through threads. The compression spring is sleeved on the fixed shaft, the conical displacement block is sleeved on the compression spring, and the rotating nut is screwed into the upper end of the fixed shaft.

[0013] As a further solution of the present utility model: the spring plate is in a V-shaped structure.

[0014] The beneficial effects of the present utility model:

[0015] By precisely adjusting and controlling the nozzle through the inkjet print head adjustment device, the accuracy and stability of the ink drop position of the nozzle are better.

[0016] Increase the physical protection of the inkjet print head, effectively extend the service life of the inkjet print head and prevent abnormal physical contacts such as abnormal impacts during the use of the inkjet print head.

[0017] Through the multi-group inkjet print head arrangement and combination device, more or unlimited nozzle quantity arrangement and combination methods are realized, thereby improving the overall efficiency of the equipment. Description of the Drawings

[0018] The present utility model will be further described below with reference to the accompanying drawings.

[0019] Figure 1 It is a schematic structural diagram of the whole of the present utility model;

[0020] Figure 2 It is a schematic structural diagram of the inkjet print head mounting device of the present utility model;

[0021] Figure 3 It is a schematic structural diagram of the inkjet print head adjustment knob device of the present utility model;

[0022] Figure 4 It is a schematic structural diagram of the partial enlargement of the present utility model;

[0023] Figure 5 It is a schematic structural diagram of the spring plate of the present utility model;

[0024] Figure 6 It is a schematic structural diagram of the positioning pin of the present utility model;

[0025] Figure 7This is a schematic structural diagram of the nozzle installation base plate of the present utility model.

[0026] In the figure: 100, inkjet print head installation device; 200, inkjet print head adjustment knob device; 300, spring plate; 400, positioning pin; 500, nozzle installation base plate; 101, inkjet print head; 102, inkjet print head fixing seat; 103, inkjet print head protection cover plate; 104, installation screw; 201, rotating nut; 202, conical displacement block; 203, fixed shaft; 204, compression spring. Specific implementation manners

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts belong to the protection scope of the present utility model.

[0028] Embodiment 1

[0029] Please refer to Figures 1-7 As shown, the present utility model is an inkjet print head adjustment device, including a plurality of inkjet print head installation devices 100, inkjet print head adjustment knob devices 200, spring plates 300, positioning pins 400 and nozzle installation base plates 500. The inkjet print head installation device 100 is connected to the nozzle installation base plate 500 through installation screws 104;

[0030] The inkjet print head adjustment knob device 200 is connected to the threaded hole of the nozzle installation base plate 500 through a fixed shaft 203 in a threaded manner;

[0031] The spring plate 300 is connected to the nozzle installation base plate 500 through screws;

[0032] The positioning pin 400 is used to calibrate the material positions of the positioning holes on the inkjet print head installation device 100 and the nozzle installation base plate 500.

[0033] Please refer to Figure 2 As shown, the inkjet print head installation device 100 includes an inkjet print head 101, an inkjet print head fixing seat 102, an inkjet print head protection cover plate 103 and installation screws 104; the inkjet print head 101 is installed on the inkjet print head fixing seat 102, and an inkjet print head protection cover plate 103 is magnetically adsorbed and attached to the surface of the inkjet print head fixing seat 102.

[0034] Please refer to Figure 3As shown, the inkjet printhead adjustment knob device 200 includes a rotating nut 201, a tapered displacement block 202, a fixed shaft 203, and a compression spring 204. The fixed shaft 203 is screwed onto the printhead mounting base plate 500 by a thread. The compression spring 204 is sleeved on the fixed shaft 203. The tapered displacement block 202 is sleeved on the compression spring 204. The rotating nut 201 is screwed into the upper end of the fixed shaft 203. When the tapered surface of the tapered displacement block 202 contacts the inkjet printhead 101, the tapered displacement block 202 generates an up-and-down displacement according to the different screwing depths of the rotating nut 201, so as to achieve a small displacement of the printhead in the front-back or left-right direction.

[0035] Please refer to Figure 4 As shown, the spring plate 300 has a V-shaped structure in appearance.

[0036] Embodiment 2

[0037] Please refer to Figure 1 As shown, 18 groups of inkjet printhead mounting devices 100, inkjet printhead adjustment knob devices 200, and spring plates 300 are connected to the printhead mounting base plate 500 by screws. According to Embodiment 1, first adjust the yaw direction of each group of inkjet printheads 101 through the inkjet printhead adjustment knob device 200, and then sequentially adjust the horizontal direction of adjacent inkjet printheads 101 through the inkjet printhead adjustment knob device 200.

[0038] The working principle of the present invention: The inkjet printhead mounting device 100 is mounted on the printhead mounting base plate 500 and is first calibrated by two groups of positioning pins 400. Through two groups of inkjet printhead adjustment knob devices 200, when the rotating nut 201 is manually screwed, when the tapered surface of the tapered displacement block 202 contacts the printhead 101, the tapered displacement block 202 generates an up-and-down displacement according to the different screwing depths of the rotating nut 201, so as to achieve the displacement of the inkjet printhead in the yaw direction and the horizontal direction.

[0039] The above has described in detail an embodiment of the present invention, but the content described is only the preferred embodiment of the present invention and cannot be considered as limiting the implementation scope of the present invention. All equivalent changes and improvements made within the scope of the application of the present invention should still fall within the patent coverage scope of the present invention.

Claims

1. An inkjet printhead adjusting device, characterized in that, It includes multiple inkjet printhead mounting devices (100), an inkjet printhead adjustment knob device (200), a spring plate (300), a positioning pin (400), and a printhead mounting bottom plate (500). The inkjet printhead mounting device (100) is connected to the printhead mounting bottom plate (500) by mounting screws (104). The inkjet printhead adjustment knob device (200) is connected to a threaded hole in the printhead mounting bottom plate (500) by a threaded fixed shaft (203). The spring plate (300) is connected to the printhead mounting bottom plate (500) by screws. The positioning pin (400) is used to calibrate the material positions of the positioning holes on the inkjet printhead mounting device (100) and the printhead mounting bottom plate (500).

2. The inkjet printhead adjusting device according to claim 1, wherein, The inkjet printhead mounting device (100) includes an inkjet printhead (101), an inkjet printhead fixing seat (102), an inkjet printhead protection cover plate (103), and mounting screws (104). The inkjet printhead (101) is mounted on the inkjet printhead fixing seat (102), and the inkjet printhead protection cover plate (103) is magnetically adsorbed and attached to the surface of the inkjet printhead fixing seat (102).

3. The inkjet printhead adjusting device according to claim 1, wherein The inkjet printhead adjustment knob device (200) includes a rotating nut (201), a conical displacement block (202), a fixed shaft (203), and a compression spring (204). The fixed shaft (203) is screwed onto the printhead mounting bottom plate (500). The compression spring (204) is sleeved on the fixed shaft (203). The conical displacement block (202) is sleeved on the compression spring (204). The rotating nut (201) is screwed into the upper end of the fixed shaft (203).

4. The inkjet printhead adjusting device according to claim 1, wherein, The spring plate (300) has a V-shaped structure in appearance.

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