CN216942352U

CN216942352U - Thermal printing device with printing paper adjusting and positioning mechanism

Info

Publication number: CN216942352U
Application number: CN202220502385.1U
Authority: CN
Inventors: 王友刚; 姜林; 王欢; 山科佳弘
Original assignee: Shandong Hualing Electronics Co Ltd
Current assignee: Shandong Hualing Electronics Co Ltd
Priority date: 2022-03-07
Filing date: 2022-03-07
Publication date: 2022-07-12
Anticipated expiration: 2032-03-07

Abstract

The utility model relates to the technical field of manufacturing of thermal printing heads, in particular to a thermal printing device with a printing paper adjusting and positioning mechanism, which has reasonable structure and simple and convenient adjustment, can be suitable for various types of printing consumables and ensures the positioning stability of the printing consumables, and is characterized in that a roller shaft main body of a thermal paper mounting roller is provided with a strip-shaped groove, an elastic component used for abutting against the inner wall of a core barrel sleeved on the thermal paper mounting roller is arranged in the strip-shaped groove, the elastic component comprises a strip-shaped elastic sheet, a thread hole is arranged on the strip-shaped elastic sheet, the strip-shaped elastic sheet is fixed in the strip-shaped groove through a screw, a spring is also arranged between the strip-shaped elastic sheet and the strip-shaped groove, compared with the prior art, the replacement, the mounting and the positioning of the thermal paper are convenient, other tools are not needed for assistance, the position of the thermal paper is stable, the printing effect can be effectively ensured, and the thermal printing paper core barrel and the mounting roller synchronously rotate during the work, the problem of environmental pollution caused by abrasion of the core barrel is avoided.

Description

Thermal printing device with printing paper adjusting and positioning mechanism

The technical field is as follows:

the utility model relates to the technical field of manufacturing of thermal printing heads, in particular to a thermal printing device with a printing paper adjusting and positioning mechanism, which is reasonable in structure, simple and convenient to adjust, capable of adapting to various types of printing consumables and capable of ensuring the positioning stability of the printing consumables.

Background art:

in the production process of the thermal printing head, the printing inspection of the thermal printing head is an important process for ensuring the quality of the thermal printing head. The printing inspection of the thermal printing head adopts a thermal printing device, the thermal printing head to be inspected is connected with a cable and positioned on the printing device, the set printing sample sheet is printed by using thermal printing paper by using a set program, and the printing sample sheet is inspected by means of special equipment and the like so as to judge whether the printing effect of the thermal printing head is good or not.

In the prior art, the outer diameter of a thermal printing paper mounting roller of a printing device is smaller than the size of a thermal printing paper core barrel, after the thermal printing paper is mounted, the thermal printing paper and the mounting roller are in a free moving state and cannot be fastened and positioned, so that the phenomenon of thermal paper deviation often occurs in the printing process, the printing effect cannot be guaranteed, and the thermal printing paper core barrel and the mounting roller slide relatively, so that the core barrel is abraded.

In order to solve the problem, a manufacturer adds positioning flanges on two sides of a thermal paper mounting roller to position thermal paper, but in the scheme, tools such as a screwdriver are required to be used when the thermal paper is replaced and positioned, the operation is troublesome, a thermal paper core barrel and the mounting roller slide relatively to each other, the core barrel is worn, the printing inspection of a thermal printing head is generally carried out in a clean workshop, and the environment pollution is caused by the abrasion of the core barrel.

The utility model content is as follows:

aiming at the defects in the prior art, the utility model provides the thermal printing device with the printing paper adjusting and positioning mechanism, which has a reasonable structure, is simple and convenient to adjust, can adapt to various types of printing consumables and ensures the positioning stability of the printing consumables.

The utility model is achieved by the following measures:

the utility model provides a thermal printing device with beat printing paper guiding orientation mechanism is equipped with thermal paper installation roller, its characterized in that, set up the bar groove in the roller main part of thermal paper installation roller, the bar inslot is equipped with and is used for establishing the elastic component that offsets with the cover core section of thick bamboo inner wall on the thermal paper installation roller, elastic component includes the bar shell fragment, sets up the silk hole on the bar shell fragment, and the bar shell fragment is through the fix with screw in the bar inslot, still is equipped with the spring between bar shell fragment and the bar groove.

According to the utility model, counter bores are formed in the strip-shaped groove, the springs are fixed in the counter bores, and furthermore, two counter bores are formed at two ends of the groove and two springs are correspondingly arranged.

The two ends of the strip-shaped groove are provided with screw holes, the two ends of the strip-shaped elastic piece are correspondingly provided with the screw holes, the depth of the strip-shaped groove is not less than 6mm, the width of the strip-shaped groove is not less than 8mm, the main body of the elastic piece is cuboid, the upper surface of the elastic piece is provided with an outward convex cambered surface, the thickness range of the elastic piece is 3-5mm, the width of the elastic piece is not less than 8mm, and the elastic piece is made of non-metal materials with low friction coefficient, such as a POM (polyoxymethylene) plate or a polytetrafluoroethylene plate.

The outer diameter of the thermal paper mounting roller is 0.5-1.0mm smaller than the inner diameter of a printing paper core cylinder, and two sides of the thermal paper mounting roller are respectively provided with a rotating shaft sleeve body.

When the device is used, the elastic sheet in the strip-shaped groove on the thermal paper mounting roller is abutted against the inner wall of the printing paper core barrel, so that the core barrel and the thermal paper mounting roller do not move relatively, and further the purpose of fixing the thermal paper on the core barrel is achieved.

Compared with the prior art, the printing device has the advantages that the thermal paper is convenient to replace, install and position, other tools are not needed for assistance, the position of the thermal paper is stable, the printing effect can be effectively ensured, and the thermal printing paper core barrel and the installation roller synchronously rotate during working, so that the problem that the environment is polluted due to abrasion of the core barrel is avoided.

Description of the drawings:

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the structure of a thermal paper mounting roller in the present invention.

Fig. 3 is a perspective view of the present invention.

Fig. 4 is a schematic structural view of the spring plate of the present invention.

Fig. 5 is a schematic view of the present invention in use.

Reference numerals: the mounting roller 1, the groove 2, the elastic sheet 3, the counter bore 4, the spring 5, the polished rod screw 6, the screw hole 7, the rotating shaft sleeve 8 and the thermal sensitive paper 9.

The specific implementation mode is as follows:

the utility model is further described below with reference to the accompanying drawings and examples.

Example 1:

as shown in fig. 1 and 2, the embodiment provides a thermal printing device with a printing paper adjusting and positioning mechanism, which is provided with a thermal paper mounting roller 1, wherein the thermal paper mounting roller 1 is provided with a strip-shaped groove 2, the groove 2 is provided with an elastic component, and the elastic component is used for contacting with the inner wall of a thermal printing paper core barrel during printing to clamp and position thermal printing paper;

wherein the diameter of the thermal printing paper mounting roller 1 is 0.5-1 mm smaller than the inner diameter of the thermal printing paper core barrel; the two sides of the thermal printing paper mounting roller 1 are provided with rotating shaft sleeves 8; the groove 2 on the thermal paper mounting roller is arranged in the middle, the depth is not less than 6mm, the width of the groove 2 is not less than 8mm, the length of the groove 2 is not less than 40mm, the two ends of the groove 2 are provided with wire holes 7, the specification of the wire holes 7 is M3-M4, the inner sides of the wire holes at the two ends of the groove are provided with counter bores 4, the diameter of each counter bore 4 is not less than 6mm, and the depth is not less than 3 mm;

the elastic sheet in the elastic component is similar to a cuboid as shown in figure 4, one side in the thickness direction is in an arc-shaped bulge shape, the minimum thickness is not less than 3mm, the maximum thickness of the arc-shaped bulge is not less than 5mm, the width is not less than 8mm, and the elastic sheet is made of nonmetal materials with low friction coefficient, such as a POM (polyoxymethylene) plate or a polytetrafluoroethylene plate;

counter bores are formed in the inner sides of screw holes in two ends of the strip-shaped groove 2, compression springs 5 are arranged in the counter bores, the wire diameter of each spring is not less than 0.6mm, the diameter of each spring is not less than 6mm, the elastic pieces are fastened in the grooves through polished rod screws 6, the springs 5 are arranged below the elastic pieces and are in a compression state, and the elastic pieces 3 on the upper side are guaranteed to be in a tension state;

when the thermal paper is installed, because the outer diameter of the installation roller is slightly smaller than the inner diameter of the thermal paper core barrel, an operator sleeves the thermal paper core barrel into the installation roller and pushes the thermal paper core barrel to the operation position of the elastic sheet area, the thermal paper is fixed and positioned by utilizing the elasticity of the elastic component without any tool, the elastic sheet 3 is made of a non-metal material with a low friction coefficient, the friction with the thermal paper core barrel is reduced, and the abrasion is avoided as much as possible;

temperature sensitive paper installation roller both ends are equipped with pivot cover 8, and during the drawing, temperature sensitive paper 9 and installation axle are at the pivot cover internal rotation together, have solved the problem of temperature sensitive paper core bucket wearing and tearing, and simultaneously, pivot, 8 have adopted low coefficient of friction's such as polytetrafluoroethylene non-metallic material, the temperature sensitive paper installation axle that reduces as far as possible and the friction of pivot cover.

Compared with the prior art, the thermal printing device provided by the utility model has the advantages that the structure is reasonable, the thermal paper is convenient to replace, install and position, the printing effect is ensured, the thermal paper core barrel is not abraded, and the operation efficiency is obviously improved.

Claims

1. The utility model provides a thermal printing device with beat printing paper guiding orientation mechanism is equipped with thermal paper installation roller, its characterized in that, set up the bar groove in the roller main part of thermal paper installation roller, the bar inslot is equipped with and is used for establishing the elastic component that offsets with the cover core section of thick bamboo inner wall on the thermal paper installation roller, elastic component includes the bar shell fragment, sets up the silk hole on the bar shell fragment, and the bar shell fragment is through the fix with screw in the bar inslot, still is equipped with the spring between bar shell fragment and the bar groove.

2. The thermal printer apparatus with printing paper adjusting and positioning mechanism as claimed in claim 1, wherein the bar-shaped slot has a counter bore, and the spring is fixed in the counter bore, wherein two counter bores are provided at two ends of the slot, and two springs are provided correspondingly.

3. The thermal printer device with the printing paper adjusting and positioning mechanism according to claim 1, wherein two ends of the strip-shaped groove are provided with screw holes, and two ends of the strip-shaped elastic piece are correspondingly provided with screw holes, the strip-shaped groove has a depth of not less than 6mm and a width of not less than 8mm, the main body of the elastic piece is in a cuboid shape, the upper surface of the elastic piece is provided with a convex cambered surface, the thickness range of the elastic piece is 3-5mm, the width of the elastic piece is not less than 8mm, and the elastic piece is made of non-metal materials with low friction coefficient, such as a POM (polyoxymethylene) plate or a polytetrafluoroethylene plate.

4. The thermal printer apparatus with printing paper adjusting and positioning mechanism of claim 1, wherein the outer diameter of the thermal paper installation roller is smaller than the inner diameter of the printing paper core cylinder by 0.5-1.0mm, and the two sides of the thermal paper installation roller are respectively provided with a rotating shaft sleeve.