CN221113235U - Non-deformable's printhead subassembly and lithography apparatus - Google Patents

Abstract

The utility model discloses a printing head assembly and printing equipment which are not easy to deform, wherein the printing head assembly comprises a printing head support, a supporting plate and a plurality of elastic elements, the printing head support is used for mounting a printing head, and a plurality of inserting parts are arranged on the side part of the printing head support; the support plate is arranged on one side of the printing head support, a plurality of plug holes are formed in the side part of the support plate, and the plug holes are respectively connected with the plug parts in a matching way; the two ends of the elastic element are respectively connected with the printing head bracket and the supporting plate. When uncapping, the pressfitting power between print head and the printing rubber roll disappears, and the grafting portion on the print head support can receive the spacing of backup pad for elastic element, backup pad and print head support can form a stable whole, and elastic element is located this holistic inside, consequently can not lead to self or print head bending deformation. When closing the lid again, the stress distribution between print head and the printing rubber roll can not change to can guarantee the stability of printing the effect.

Description

Non-deformable's printhead subassembly and lithography apparatus

Technical Field

The utility model relates to the technical field of printing equipment, in particular to a printing head assembly which is not easy to deform and the printing equipment.

Background

Printing equipment on the market needs to provide certain pressure force for the printing head when printing, so that the printing head can press printing paper on the printing rubber roller to realize printing. Typically, a resilient member is mounted within the printhead assembly, the resilient member providing a compressive force to the printhead. When the printing consumables need be changed, the upper cover of the printer needs to be opened, when the cover is opened, the printing rubber roller can be separated from the printing head, so that the pressing force between the printing head and the rubber roller disappears, at the moment, the printing head and the elastic element are easy to bend and deform, and when the printing head is pressed with the printing rubber roller again, the stress distribution generated between the printing head and the printing rubber roller changes, so that the printing effect is unstable.

Disclosure of utility model

In order to overcome the defects in the prior art, the utility model aims to provide a printing head assembly which is not easy to deform and can ensure the stability of printing effect.

In order to solve the problems, the technical scheme adopted by the utility model is as follows: a non-deformable printhead assembly comprising: the printing head support is used for mounting the printing head, and a plurality of inserting parts are arranged on the side part of the printing head support; the printing head support is arranged on one side of the printing head support, a plurality of inserting holes are formed in the side portion of the support, and the inserting holes are respectively connected with the inserting parts in a matching mode; and two ends of the elastic elements are respectively connected with the printing head bracket and the supporting plate.

Compared with the prior art, the utility model has the beneficial effects that: when the cover is closed, the printing head is pressed to the printing rubber roller under the action of the elastic force of the elastic element, so that printing can be realized. When the cover is opened, the pressing force between the printing head and the printing rubber roller disappears, the printing head has a trend of moving towards the direction far away from the elastic element, at the moment, the inserting part on the printing head support can be limited by the supporting plate, so that the elastic element, the supporting plate and the printing head support can form a stable whole, and the elastic element is located in the whole, so that the elastic element or the printing head cannot be bent and deformed. When closing the lid again, the stress distribution between print head and the printing rubber roll can not change to can guarantee the stability of printing the effect.

In the above-mentioned non-deformable print head assembly, the number of the elastic elements is the same as the number of the plugging portions, and the positions of the plurality of elastic elements are in one-to-one correspondence with the positions of the plurality of plugging portions.

The printing head assembly is characterized in that the printing head assembly is not easy to deform, the end part of the printing head support is provided with the protruding block, the end part of the supporting plate is provided with the stop block, a limit groove is formed between the stop block and the side part of the supporting plate, and the protruding block can be placed in the limit groove.

The direction of the protruding block when being placed in the limit groove is the same as the direction of the inserting part when being inserted into the inserting hole.

The printing head component is not easy to deform, the plug-in connection part is flat, and the plug-in connection hole is a square hole.

In the above-mentioned non-deformable print head assembly, the two sides of the plug-in connection part are provided with guiding surfaces.

The printing head component is not easy to deform, and the guide surface is a guide inclined surface or a guide cambered surface.

The printing head assembly is characterized in that the printing head support is provided with a plurality of protrusions, a plurality of grooves are formed in the supporting plate corresponding to the protrusions, one end of the elastic element is sleeved with the protrusions, and the other end of the elastic element is spliced with the grooves.

The printing head component is not easy to deform, and the bulge is cylindrical.

The utility model also provides a printing device which comprises the printing head assembly, and the printing device adopts the printing head assembly and has at least all the beneficial effects brought by the printing head assembly.

The utility model is described in further detail below with reference to the drawings and the detailed description.

Drawings

FIG. 1 is a schematic diagram of a printhead assembly according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a printhead assembly according to an embodiment of the present utility model;

fig. 3 is a cross-sectional view of an embodiment of the present utility model after the printhead assembly is installed in a printing apparatus.

Reference numerals illustrate: 100 print head bracket, 110 plug-in part, 120 convex block, 130 convex block, 200 support plate, 210 plug-in hole, 220 stop block, 230 limit groove, 240 groove, 300 print head, 400 elastic element and 500 frame.

Detailed Description

Referring to fig. 1 to 3, the embodiment of the present utility model provides a non-deformable printhead assembly, which includes a printhead carrier 100, a support plate 200, and a plurality of elastic members 400, the printhead carrier 100 is used for mounting a printhead 300, and a plurality of sockets 110 are provided at sides of the printhead carrier 100; the supporting plate 200 is disposed on one side of the printhead bracket 100, and a plurality of plug holes 210 are formed on a side portion of the supporting plate 200, and the plurality of plug holes 210 are respectively connected with the plurality of plug parts 110 in a matching manner; the both ends of the elastic member 400 are connected to the head carriage 100 and the support plate 200, respectively. When the cover is closed, the printing head 300 is pressed against the printing rubber roller under the action of the elastic force of the elastic element 400, so that printing is realized. When the cover is opened, the pressing force between the printing head 300 and the printing rubber roller disappears, the printing head 300 has a trend of moving towards a direction far away from the elastic element 400, and at this time, the inserting part 110 on the printing head bracket 100 can be limited by the supporting plate 200, so that the elastic element 400, the supporting plate 200 and the printing head bracket 100 can form a stable whole, and the elastic element 400 is positioned in the whole, so that the bending deformation of the printing head 300 or the self can not be caused. When the cover is closed again, the stress distribution between the printing head 300 and the printing rubber roller is not changed, so that the stability of the printing effect can be ensured.

Further, the number of the elastic elements 400 is the same as the number of the plugging portions 110, and the positions of the plurality of elastic elements 400 correspond to the positions of the plurality of plugging portions 110 one by one, so that the position of each elastic element 400 generating the acting force on the printhead bracket 100 can be limited by the matching of the plugging portion 110 and the plugging hole 210, and the matching limitation of the plugging portion 110 and the plugging hole 210 can return the tension of the elastic element 400 to the supporting plate 200, thereby further improving the stability of the printhead assembly and ensuring that the printhead assembly is not easy to deform. Specifically, referring to fig. 2 and 3, the printhead bracket 100 is provided with a plurality of protrusions 130, the support plate 200 is provided with a plurality of grooves 240 at positions corresponding to the plurality of protrusions 130, one end of the elastic member 400 is sleeved with the protrusions 130, and the other end is inserted into the grooves 240, so that the elastic member 400 is fixedly mounted, and the elastic member 400 adopts a spring. Further, the protrusion 130 is cylindrical, so that the spring can be conveniently sleeved on the cylindrical protrusion 130.

Further, in order to improve the stability of the printhead assembly, the end of the printhead bracket 100 is provided with a bump 120, the end of the support plate 200 is provided with a stop block 220, a limit groove 230 is provided between the stop block 220 and the side of the support plate 200, the bump 120 can be placed in the limit groove 230, and the direction of the bump 120 when placed in the limit groove 230 is the same as the direction of the plugging portion 110 when plugged into the plugging hole 210. In the installation process, the printhead bracket 100 can be installed to the supporting plate 200 from bottom to top, the plugging portion 110 is plugged into the plugging hole 210 from bottom to top, and the bump 120 is placed into the limiting groove 230 from bottom to top. The protrusion 120 and the limit groove 230 cooperate to limit the position, so that the printhead bracket 100 is not separated from the support plate 200 due to the tension of the elastic element 400, and the printhead bracket 100 or the support plate 200 can be prevented from being deformed. The limitation of the plugging portion 110 and the plugging hole 210, and the limitation of the bump 120 and the limitation groove 230 are respectively located at two sides of the elastic element 400, so as to further improve the stability of the printhead assembly.

Further, the plugging portion 110 is flat, and the plugging hole 210 is a square hole, so that the contact area between the plugging portion 110 and the plugging hole 210 can be increased, and the limiting effect can be improved. Further, referring to fig. 2, both sides of the plugging portion 110 have guide surfaces, which can facilitate the plugging of the plugging portion 110 into the plugging hole 210. Specifically, the guide surface is a guide inclined surface or a guide cambered surface.

The embodiment of the utility model also provides printing equipment, which comprises the printing head assembly, and at least has all the beneficial effects of the printing head assembly because the printing equipment adopts the printing head assembly. Specifically, long holes may be provided at both ends of the head holder 100, and when the head assembly is mounted to the printer frame 500, both ends of the support plate 200 are fixed to the frame 500, and the head holder 100 may be rotatably connected to the frame 500 by means of the long holes at both ends. The aperture of the insertion hole 210 is slightly larger than the outer diameter of the insertion portion 110, so that a certain elastic space can be provided when the print head 300 is pressed against the printing rubber roller.

It should be noted that, in the description of the present utility model, if an azimuth or positional relationship is referred to, for example, upper, lower, front, rear, left, right, etc., the azimuth or positional relationship is based on the azimuth or positional relationship shown in the drawings, it is merely for convenience of describing the present utility model and simplifying the description, and it is not indicated or implied that the referred device or element must have a specific azimuth, be configured or operated in a specific azimuth, and should not be construed as limiting the present utility model.

In the description of the present utility model, a plurality means one or more, and a plurality means two or more, and it is understood that greater than, less than, exceeding, etc. does not include the present number, and it is understood that greater than, less than, within, etc. include the present number. If any, first or second, etc. are described for the purpose of distinguishing between technical features only and not for the purpose of indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (10)

1. A non-deformable printhead assembly, comprising:

A print head bracket (100) for mounting a print head (300), wherein a plurality of plug-in parts (110) are arranged on the side part of the print head bracket (100);

The printing head support comprises a support plate (200) arranged on one side of the printing head support (100), wherein a plurality of plug holes (210) are formed in the side part of the support plate (200), and the plug holes (210) are respectively connected with the plug parts (110) in a matching way; and

And two ends of the elastic element (400) are respectively connected with the printing head bracket (100) and the supporting plate (200).

2. The non-deformable print head assembly of claim 1, wherein the number of elastic elements (400) is the same as the number of sockets (110), and the positions of a plurality of elastic elements (400) are in one-to-one correspondence with the positions of a plurality of sockets (110).

3. The non-deformable printhead assembly of claim 1, wherein the end of the printhead carrier (100) is provided with a bump (120), the end of the support plate (200) is provided with a stop (220), a limit groove (230) is provided between the stop (220) and the side of the support plate (200), and the bump (120) can be placed in the limit groove (230).

4. A non-deformable print head assembly as claimed in claim 3, wherein the direction of the projection (120) when it is placed in the limit groove (230) is the same as the direction of the insertion portion (110) into the insertion hole (210).

5. The non-deformable printhead assembly of claim 1, wherein the socket (110) is flat and the socket hole (210) is a square hole.

6. The non-deformable print head assembly of claim 1, wherein the plug-in portion (110) has guide surfaces on both sides.

7. The non-deformable printhead assembly of claim 6 wherein the guide surface is a guide ramp or a guide ramp surface.

8. The non-deformable print head assembly of claim 1, wherein the print head holder (100) is provided with a plurality of protrusions (130), the support plate (200) is provided with a plurality of grooves (240) corresponding to the plurality of protrusions (130), one end of the elastic element (400) is sleeved with the protrusions (130), and the other end is spliced with the grooves (240).

9. The non-deformable printhead assembly of claim 8, wherein the projection (130) is cylindrical.

10. A printing apparatus comprising a non-deformable printhead assembly as claimed in any one of claims 1 to 9.