CN-224212037-U - Photo paper pressing mechanism and printer

CN224212037UCN 224212037 UCN224212037 UCN 224212037UCN-224212037-U

Abstract

The utility model provides a photo paper pressing mechanism and a printer, comprising a main frame body and a roller frame, wherein the main frame body is respectively provided with elastic clamping blocks at two sides of a paper feeding channel, two side edges of the roller frame are respectively provided with clamping parts which are clamped into the elastic clamping blocks at the corresponding sides, and a plurality of rollers are arranged on the roller frame along the transverse direction perpendicular to the paper feeding direction of the paper feeding channel. The main frame body is provided with elastic clamping blocks at two sides of the paper feeding channel, clamping parts at two sides of the roller frame can be directly clamped into the corresponding elastic clamping blocks without using an additional locking piece to carry out complex locking operation, so that the assembly steps are greatly simplified, the assembly efficiency is improved, the roller frame is provided with a plurality of rollers along the transverse direction perpendicular to the paper feeding direction of the paper feeding channel, the rollers can apply pressure to paper more uniformly, the paper is kept flat in the paper feeding channel, the problem of warping at two sides of the paper is effectively avoided, and the printing quality is improved.

Inventors

DAI HUAJUN
YE HUIMING
JIANG JIAFENG

Assignees

厦门爱印科技有限公司

Dates

Publication Date: 20260508
Application Date: 20250530

Claims (10)

1. A photo paper pressing mechanism comprises a main frame body and a roller frame and is characterized in that elastic clamping blocks are respectively arranged on two sides of a paper feeding channel of the main frame body, clamping parts are respectively arranged on two side edges of the roller frame, the clamping parts are clamped into the elastic clamping blocks on corresponding sides, and a plurality of rollers are arranged on the roller frame in a transverse direction perpendicular to the paper feeding direction of the paper feeding channel.
2. The photo paper pressing mechanism as set forth in claim 1, wherein said elastic engaging block has an engaging groove therein, and said engaging portion is engaged with said engaging groove.
3. The photographic paper pressing mechanism of claim 2, wherein a guide groove is connected between the end surface of the elastic clamping block, which is far away from the main frame body, and the clamping groove, and the clamping part slides into the clamping groove from the guide groove.
4. A photo paper pressing mechanism according to claim 3, wherein the engaging portion is a cylindrical shaft provided on a side of the roller frame, the guide groove is gradually shallower from an end face to an end near the engaging groove, and the cylindrical shaft is slid into the engaging groove from the guide groove.
5. The photographic paper pressing mechanism as claimed in claim 1, wherein the roller frame is provided with a plurality of mounting seats, and each of the mounting seats is provided with a roller therein.
6. The photographic paper pressing mechanism of claim 5, wherein each mounting seat is arranged on the surface of the roller frame, which is away from the paper feeding end of the paper feeding channel, and comprises two symmetrically arranged connecting arms, a slot is arranged in each connecting arm, the inlet end of each slot is arranged on the end surface, which is away from the paper feeding end of the paper feeding channel, of each connecting arm, at least one side edge of each slot is provided with an elastic arm, so that the roller can be conveniently inserted into the rotating shaft of the roller under the action of forced deformation, and the size of the inlet end of each slot is smaller than the diameter of the rotating shaft of the roller in the initial state.
7. The photographic paper pressing mechanism as claimed in claim 1, wherein elastic members are connected to both sides of the roller frame near the paper feed end of the paper feed passage, one end of each elastic member abuts against the main frame body, and the other end of each elastic member abuts against the roller frame for pushing the roller frame away from the main frame body.
8. The photographic paper pressing mechanism of claim 7, wherein protruding propping portions are arranged at positions, close to the paper feeding end of the paper feeding channel, of two side edges of the roller frame, mounting holes are arranged at positions, opposite to the propping portions, of the main frame body, and the mounting holes are used for mounting the elastic pieces.
9. The photo paper pressing mechanism as set forth in claim 8, wherein the main frame body is provided with a limit groove at a position opposite to a side corresponding to the abutting portion, a limit rib is provided on a side of the abutting portion facing the limit groove, and the limit rib penetrates into the limit groove.
10. A printer provided with the photo paper pressing mechanism as claimed in any one of claims 1 to 9.

Description

Photo paper pressing mechanism and printer Technical Field The utility model relates to the technical field of printers, in particular to a photo paper pressing mechanism and a printer. Background The existing printer tabletting paper mechanism is provided with a roller frame, a connecting part is arranged on a main frame body of the printer to connect the roller frame, and a locking piece is locked at the connecting part to lock the roller frame at the connecting part, so that the assembly process is complicated, a roller is generally arranged in the middle of a roller on the roller frame in a paper feeding channel, the problem of warping of two sides of paper easily occurs, and the printing quality is affected, as shown in patent document with publication number CN 2722527Y. Disclosure of utility model In order to solve the above problems, an object of the present utility model is to provide a photo paper pressing mechanism and a printer. The photo paper pressing mechanism comprises a main frame body and roller frames, wherein elastic clamping blocks are respectively arranged on two sides of a paper feeding channel of the main frame body, clamping parts are respectively arranged on two side edges of the roller frames, the clamping parts are clamped into the elastic clamping blocks on the corresponding sides, and a plurality of rollers are arranged on the roller frames along the transverse direction perpendicular to the paper feeding direction of the paper feeding channel. Preferably, a clamping groove is formed in the elastic clamping block, and the clamping part is clamped into the clamping groove. Preferably, a guide groove is connected between the end surface of the elastic clamping block, which is away from the main frame body, and the clamping groove, and the clamping part slides into the clamping groove from the guide groove. Preferably, the clamping part is a cylindrical shaft arranged on the side edge of the roller frame, the depth of the guide groove from the end surface to the end close to the clamping groove becomes gradually shallower, and the cylindrical shaft slides into the clamping groove from the guide groove. Preferably, the roller frame is provided with a plurality of mounting seats, and each mounting seat is internally provided with one roller. Preferably, each mounting seat is arranged on the surface of the roller frame, which is away from the paper feeding end of the paper feeding channel, each mounting seat comprises two connecting arms which are symmetrically arranged, a slot is arranged in each connecting arm, the inlet end of each slot is arranged on the end face, which is away from the paper feeding opening of the paper feeding channel, of each connecting arm, at least one side edge of each slot is an elastic arm, so that the roller is convenient to insert by stress deformation, and the size of the inlet end of each slot is smaller than the diameter of the roller in an initial state. Preferably, the positions of the two side edges of the roller frame, which are close to the paper feeding end of the paper feeding channel, are connected with elastic pieces, one ends of the elastic pieces prop against the main frame body, and the other ends of the elastic pieces prop against the roller frame body, so that the roller frame is pushed in a direction away from the main frame body. Preferably, protruding propping parts are arranged at positions, close to the paper feeding end of the paper feeding channel, of two side edges of the roller frame, mounting holes are formed in positions, opposite to the propping parts, of the main frame body, and the elastic pieces are mounted in the mounting holes. Preferably, a limit groove is formed in a position, opposite to the side edge, of the main frame body, corresponding to the abutting portion, a limit rib is arranged on the side edge, facing the limit groove, of the abutting portion, and the limit rib penetrates into the limit groove. A printer is provided with the photo paper pressing mechanism. Compared with the prior art, the photo paper pressing mechanism and the printer have the following technical effects: 1. The roller frame is locked with the connecting part of the main frame body through the locking piece in the prior art, the assembly is complicated, the elastic clamping blocks are arranged on the two sides of the paper feeding channel, the clamping parts on the two sides of the roller frame can be directly clamped into the corresponding elastic clamping blocks, the complex locking operation is not needed by means of the additional locking piece, the assembly step is greatly simplified, the assembly efficiency is improved, the roller frame is generally arranged in the middle of the paper feeding channel, the warping of the two sides of paper is easily caused, the printing quality is influenced, the roller frame is provided with a plurality of rollers along the transverse direction perpendicular to the paper feeding direction of the pape