Spray head structure with nozzle anti-collision protective cover mechanism

Abstract

The utility model discloses a spray head structure with a nozzle anti-collision protective cover mechanism. The spray head structure comprises a spray head and a spray head bottom plate for fixing the spray head, the nozzle bottom plate is a plate with a hole matched with the nozzle in the center, the nozzle can penetrate into the hole in the center from one side of the nozzle bottom plate, and it is ensured that the nozzle face of the nozzle can protrude out of the other side of the nozzle bottom plate; a nozzle protection cover is arranged on one surface of the nozzle bottom plate with the convex nozzle surface; the sprayer protection cover is of a box-shaped structure with an opening in the face facing the nozzle face, and a matched spraying opening is formed in the spraying direction, corresponding to each nozzle of the nozzle face, of the box wall. According to the utility model, the nozzle surface can be protected from being scratched or impacted by a single piece of paper, defective products are reduced, the production efficiency is improved, and the nozzle is more effectively protected from being damaged.

Description

Technical Field

[0001] This utility model relates to the field of inkjet printer manufacturing technology, and in particular to a printhead structure with a nozzle anti-collision protective cover mechanism. Background Technology

[0002] In the existing technology, when the inkjet printing equipment is working, its printhead is very close to a single sheet of paper, and the distance between the nozzle surface of the printhead and the paper surface is about 1.0-1.5mm.

[0003] Therefore, when the sheets of paper and corrugated paper to be printed have problems such as curling edges, wrinkles, and arching due to various reasons, during the printing process, the curling edges, wrinkles, and arching of the sheets of paper will scratch the nozzle surface of the print head, causing the nozzle to work abnormally and the printed products to be abnormal.

[0004] In addition to producing defective products that fail to meet customer requirements, malfunctioning nozzles also require operators to stop the machine and maintain the nozzles, thus reducing production efficiency.

[0005] Moreover, since each sheet of paper is transported at high speed during the printing process, the curled edges and wrinkles of the paper being transported at high speed can hit the nozzle surface of the printhead. In severe cases, this can dent the nozzle surface or even damage the inside of the nozzle, causing the entire printhead to be scrapped and resulting in unnecessary losses.

[0006] Therefore, how to protect the nozzle surface from scratches or impacts by single sheets of paper, reduce the occurrence of defective products, improve production efficiency, and more effectively protect the printhead from damage has become a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0007] In view of the above-mentioned defects of the prior art, the present invention provides a nozzle structure with a nozzle anti-collision protective cover mechanism. The purpose is to protect the nozzle surface from scratches or impacts by single sheets of paper, reduce the occurrence of defective products, improve production efficiency, and more effectively protect the nozzle from damage.

[0008] To achieve the above objectives, this utility model discloses a nozzle structure with a nozzle anti-collision protective cover mechanism, including a nozzle and a nozzle base plate for fixing the nozzle.

[0009] The nozzle base plate is a plate with a hole at the center that matches the nozzle. The hole at the center can accommodate the nozzle to pass through from one side of the nozzle base plate, and ensure that the nozzle surface of the nozzle can protrude from the other side of the nozzle base plate.

[0010] The nozzle base plate is provided with a nozzle protective cover on the side that protrudes from the nozzle surface;

[0011] The nozzle protective cover is a box-shaped structure with an opening on one side facing the nozzle surface, and the box wall is provided with matching spray nozzles for each nozzle spraying direction corresponding to the nozzle surface.

[0012] Preferably, the nozzle protective cover is plate-shaped, and a groove is provided corresponding to the part of the nozzle that protrudes from the other side of the nozzle base plate;

[0013] The bottom of the groove is provided with a matching spray nozzle corresponding to the spraying direction of each nozzle.

[0014] Preferably, the nozzle protective cover and the nozzle base plate are connected by multiple magnetic attraction elements to form a detachable connection.

[0015] Preferably, the nozzle protective cover is hinged to the nozzle base plate at one position corresponding to the nozzle surface, and is detachably connected to the nozzle base plate at the remaining three positions corresponding to the nozzle surface via magnetic attraction.

[0016] More preferably, the nozzle base plate has a notch at an edge away from the hinge that exposes the nozzle protective cover.

[0017] Preferably, on the side of the nozzle base plate facing away from the nozzle surface, on the outside of the hole, on both sides of the nozzle surface in the length direction or on both sides in the width direction, an "L"-shaped fixing bracket is provided for fixing.

[0018] More preferably, each of the mounting brackets is fixed to the nozzle base plate by bolts installed in the mounting holes.

[0019] Preferably, the nozzle surface is spaced 0.1 mm from the side wall of the nozzle guard where the spray port is located.

[0020] Preferably, the nozzle protective cover is made of an iron-based alloy.

[0021] The beneficial effects of this utility model are:

[0022] This invention can protect the nozzle surface from scratches or impacts from single sheets of paper, reduce the occurrence of defective products, improve production efficiency, and more effectively protect the printhead from damage.

[0023] The following will further explain the concept, specific structure and technical effects of this utility model in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of this utility model. Attached Figure Description

[0024] Figure 1 A schematic diagram of an embodiment of the present invention is shown.

[0025] Figure 2 This diagram illustrates the position of the nozzle protective cover when it is closed in one embodiment of the present invention.

[0026] Figure 3 This diagram shows the state of the nozzle protective cover from above when it is closed, according to an embodiment of the present invention. Detailed Implementation

[0027] Example

[0028] like Figures 1 to 3 As shown, the nozzle structure with nozzle anti-collision protection cover mechanism includes a nozzle 6 and a nozzle base plate 1 for fixing the nozzle 6;

[0029] The nozzle base plate 1 is a plate with a hole in the center that matches the nozzle 6. The hole in the center can accommodate the nozzle 6 to pass through from one side of the nozzle base plate 1, and ensure that the nozzle surface 61 of the nozzle 6 can protrude from the other side of the nozzle base plate 1.

[0030] The nozzle base plate 1 has a nozzle protective cover 4 on one side with a protruding nozzle surface 61;

[0031] The nozzle protective cover 4 is a box-shaped structure with an opening on the side facing the nozzle surface 61, and the box wall is provided with a matching spray nozzle 41 for each nozzle 62 corresponding to the spraying direction of the nozzle surface 61.

[0032] In some embodiments, the nozzle protective cover 4 is plate-shaped, and a groove 42 is provided on the part of the nozzle 6 that protrudes from the other side of the nozzle base plate 1;

[0033] The bottom of the groove 42 is provided with a matching spray nozzle 41 corresponding to the spraying direction of each nozzle 62.

[0034] In some embodiments, the nozzle protective cover 4 and the nozzle base plate 1 are provided with a detachable connection formed by multiple magnetic attraction 5.

[0035] In some embodiments, the nozzle protective cover 4 is hinged to the nozzle base plate 1 via a hinge 7 on one side of the corresponding nozzle surface 61, and is detachably connected to the nozzle base plate 1 via a magnetic attraction 5 on the remaining three sides of the corresponding nozzle surface 61.

[0036] In some embodiments, the nozzle base plate 1 has a notch 11 at an edge away from the hinge 7 that exposes the nozzle protective cover 4.

[0037] In some embodiments, the nozzle base plate 1, facing away from the nozzle surface 61, has an "L"-shaped fixing bracket 2 on both sides of the nozzle surface 61 along its length or width, on the outside of the hole, for fixing.

[0038] In some embodiments, each mounting bracket 2 is fixed to the nozzle base plate 1 by bolts installed in the mounting holes 3.

[0039] In some embodiments, the nozzle face 61 is spaced 0.1 mm apart from the sidewall of the nozzle guard 4 where the spray port 41 is located.

[0040] In some embodiments, the nozzle protective cover 4 is made of an iron-based alloy.

[0041] In this invention, the nozzle 6 is fixed on the nozzle base plate 1. The nozzle surface 61 at the bottom of the nozzle 6 is exposed at the bottom of the nozzle base plate 1. The nozzle surface 61 is slightly higher than the bottom surface of the nozzle base plate 1, by about 0.1mm, to prevent the nozzle protective cover 4 from rubbing against the nozzle surface 61.

[0042] The nozzle protective cover 4 protects the nozzle surface 61, that is, the bottom of the groove 42. The thickness is about 0.4-0.5mm, and it needs to have a certain rigidity. Therefore, the nozzle protective cover 4 is made of iron-based alloy.

[0043] The nozzle protective cover 4 is connected to both ends of the nozzle base plate 1 by hinges 7, so that the nozzle protective cover 4 can rotate around the hinges 7.

[0044] Six circular magnets 5 are fixed in pairs to the bottom of the printhead base plate 1 at three positions on the front and sides, ensuring that the surface of the magnets 5 is flush with the bottom surface of the printhead base plate 1. When the printhead protective cover 4 rotates with the hinge 7 as the center until its surface is in contact with the lower surface of the printhead base plate 1, the printhead protective cover 4, being made of iron-based alloy, will be firmly attracted by the magnets 5. In this way, the printhead protective cover 4 protects the nozzle surface 61 of the printhead 6, leaving only the nozzle 62 at the bottom of the printhead 6 exposed. During the printing process, when the product to be printed passes under the printhead protective cover 4, the product will not rub against or collide with the nozzle surface 61 of the printhead 6, thus achieving the function of protecting the printhead 6.

[0045] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. A nozzle structure with a nozzle collision protection cover mechanism; characterized in that, The spray head (6) and the spray head base plate (1) for fixing the spray head (6); The spray head base plate (1) is a plate with a hole in the center for matching the spray head (6), and the hole can accommodate the spray head (6) to pass through from one side of the spray head base plate (1) and ensure that the nozzle face (61) of the spray head (6) can protrude from the other side of the spray head base plate (1); The spray head base plate (1) has a side with the protruding nozzle face (61) provided with a spray head protective cover (4); The spray head protective cover (4) is a box-shaped structure with an opening on the side facing the nozzle face (61), and the box wall is provided with a matching spray port (41) corresponding to the spraying direction of each nozzle (62) of the nozzle face (61).

2. The nozzle structure with a bumper protection cover mechanism according to claim 1, characterized in that, The spray head protective cover (4) is plate-shaped, and a groove (42) is provided corresponding to the part of the spray head (6) protruding from the other side of the spray head base plate (1); The bottom of the groove (42) is provided with a matching spray port (41) corresponding to the spraying direction of each nozzle (62).

3. The nozzle structure with a bumper protection mechanism according to claim 1, wherein The spray head protective cover (4) and the spray head base plate (1) are provided with separable connection formed by multiple magnetic attractions (5).

4. The nozzle structure with a bumper protection mechanism according to claim 1, wherein The spray head protective cover (4) is hingedly connected to the spray head base plate (1) by a hinge (7) at a position corresponding to one side of the nozzle face (61), and is separably connected to the spray head base plate (1) by a magnetic attraction (5) at positions corresponding to the remaining three sides of the nozzle face (61).

5. The nozzle structure with a bumper protection mechanism according to claim 4, wherein The spray head base plate (1) is provided with a notch (11) at a position away from the edge of the hinge (7) to expose the spray head protective cover (4).

6. The nozzle structure with a bump protection cover mechanism according to claim 1, wherein The side of the spray head base plate (1) facing away from the nozzle face (61) is provided with an "L"-shaped fixing bracket (2) on both sides corresponding to the length direction of the nozzle face (61) or the width direction of the nozzle face (61) outside the hole.

7. The nozzle structure with a bumper protection mechanism according to claim 6, wherein Each fixing bracket (2) and the spray head base plate (1) are fixed by bolts arranged in mounting holes (3).

8. The nozzle structure with a bumper protection mechanism according to claim 1, wherein, The nozzle face (61) and the side wall of the spray head protective cover (4) provided with the spray port (41) are spaced apart by 0.1 mm.

9. The nozzle structure with a bump protection cover mechanism according to claim 1, wherein The spray head protective cover (4) is made of iron-based alloy.

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