CN220242792U - Movement mechanism for pressure self-balancing of printing head - Google Patents

Abstract

The utility model discloses a machine core mechanism with self-balancing pressure of a printing head, which comprises a machine core shaft, a thermal printing head, a rack, a clamping hook and a cooling fin, wherein both ends of the cooling fin are respectively provided with a fixed side plate, the middle part of each fixed side plate is provided with a runway circular through hole, the machine core shaft penetrates through the runway circular through holes at both ends to be fixed on the cooling fin, the bottom end of the middle part of the cooling fin is extended with a fulcrum shaft, the middle part of the bottom wall of the rack is provided with a square hole, the fulcrum shaft is embedded in the square hole, a rubber roller is rotatably arranged on the rack, and both ends of the rubber roller are rotatably arranged in the clamping hook in a penetrating way. The utility model belongs to the technical field of printing, and particularly relates to a self-balancing movement mechanism for self-balancing pressure of a printing head, which adopts a self-balancing structure to self-adaptively adjust a gap between the self-balancing structure and a rubber roller, keeps relatively static and enables stress to be more uniform, so that the printing head is more uniform and has a more stable structure.

Description

Movement mechanism for pressure self-balancing of printing head

Technical Field

The utility model belongs to the technical field of printing, and particularly relates to a movement mechanism with self-balancing pressure of a printing head.

Background

The majority of the movement structures on the market at present adopt springs or elastic sheets to be fixed at the middle part of a rack for adjusting printing pressure, and because the spring pressure is not completely consistent, uneven stress can be caused, and the technological error of a cooling fin can also cause inaccurate hole positions or deflection of a rubber roller, thereby influencing the effect. Therefore, the utility model provides the movement mechanism with the self-balancing pressure of the printing head, which can achieve the balance of self-adaptive printing pressure and effectively ensure the printing effect.

Disclosure of Invention

In order to solve the problems, the utility model provides the self-balancing movement mechanism which adopts the self-balancing structure to self-adaptively adjust the gap between the self-balancing structure and the rubber roller, and keeps relatively static, so that the stress is more uniform, and the pressure of the printing head is self-balanced, so that the printing is more uniform and the structure is more stable.

In order to realize the functions, the technical scheme adopted by the utility model is as follows: the utility model provides a printer head pressure self-balancing's core mechanism, includes quick-witted dabber, thermal print head, frame, trip and fin, the both ends of fin all are equipped with fixed curb plate, runway circular through-hole has been seted up at the middle part of fixed curb plate, the runway circular through-hole that the machine spindle passed both ends is fixed on the fin, the middle part bottom of fin extends there is the fulcrum axle, square hole has been seted up at the diapire middle part of frame, the fulcrum axle inlays locates square downthehole, rotatable installs the rubber roll in the frame, wear to locate the trip setting in the rotation of the both ends of rubber roll.

As a preferable technical scheme of the utility model, the thermal printing head is connected with the radiating fin through heat conduction glue, the clamping hooks, the radiating fin and the frame are connected together through the machine core shaft, and the spring is arranged behind the radiating fin.

As a preferable technical scheme of the utility model, the fixed side plate is arranged in a way of extending backwards along the vertical radiating fins.

The utility model adopts the structure to obtain the beneficial effects as follows: according to the self-balancing movement mechanism for the printing head pressure, the runway circular through holes on the fixed side plates are fixed at the two ends of the machine core shaft, when the radiating fin swings around the fulcrum shaft back and forth, the upper and lower directions of the radiating fin are stable, the gap between the radiating fin and the rubber roller clamped on the clamping hook is self-adaptive, the gap can be kept relatively static during printing, the central positions of the printing line and the rubber roller are ensured to be relatively stable, and the stress between the thermal printing head and the rubber roller is more uniform, so that the printing content is more uniform, and the effect is more stable.

Drawings

Fig. 1 is a schematic diagram of the whole structure of a movement mechanism with self-balancing pressure of a print head according to the present utility model.

The device comprises a rubber roller, a frame, a machine core shaft, a runway circular through hole, a clamping hook, a radiating fin, a thermal printing head and a thermal printing head, wherein the rubber roller, the frame, the machine core shaft, the runway circular through hole, the thermal printing head and the thermal printing head are arranged in sequence, and the thermal printing head is arranged on the runway circular through hole.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The present utility model will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the movement mechanism with self-balancing pressure of the printing head provided by the utility model comprises a machine core shaft 3, a thermal printing head 7, a frame 2, a clamping hook 5 and a cooling fin 6, wherein both ends of the cooling fin 6 are respectively provided with a fixed side plate, the fixed side plates are perpendicular to the cooling fin 6 and extend backwards, a runway circular through hole 4 is formed in the middle of each fixed side plate, the machine core shaft 3 penetrates through the runway circular through holes 4 at both ends and is fixed on the cooling fin 6, a fulcrum shaft extends at the bottom end of the middle of each cooling fin 6, a square hole is formed in the middle of the bottom wall of the frame 2, the fulcrum shaft is embedded in the square hole, a rubber roll 1 is rotatably arranged on the frame 2, the two ends of the rubber roll 1 are rotatably arranged in a penetrating way through the clamping hook 5, the cooling fin 6 can swing backwards around the fulcrum shaft, the positions in the vertical direction are stable, the gap between the self-adaption rubber roll and the rubber roll 1 clamped on the clamping hook 5 can be kept relatively static, the central position of a printing line and the rubber roll 1 is ensured to be relatively stable, and the stress between the thermal printing head 7 and the rubber roll 1 is more uniform, so that the printing content is more uniform and stable.

The thermal printing head 7 is connected with the radiating fins 6 through heat conduction glue, the clamping hooks 5, the radiating fins 6 and the frame 2 are connected together through the machine core shaft 3, springs are arranged at the rear of the radiating fins 6, when the rubber roller 1 presses the clamping hooks 5, the clamping hooks 5 can rotate around the machine core shaft 3 to press the springs at the rear of the radiating fins 6, after the rubber roller 1 is placed in a correct position, the clamping hooks 5 can be reset to an initial position through the elasticity of the springs, so that the position of the rubber roller 1 is fixed, and the radiating fins 6 can be pressed towards the rubber roller 1 through the action of the spring force, so that the thermal printing head 7 is attached to the rubber roller 1.

When the thermal printer is specifically used, the rubber roller 1 presses the clamping hook 5, the clamping hook 5 can rotate around the movement shaft 3 as the axis and press the spring behind the cooling fin 6, after the rubber roller 1 is installed in a correct position, the clamping hook 5 can be reset to an initial position by the elastic force of the spring, so that the position of the rubber roller 1 is fixed, the cooling fin 6 can be pressed towards the rubber roller 1 by the action of the spring force, so that the thermal printer head 7 is attached to the rubber roller 1, and when paper and a carbon tape pass through the rubber roller 1 and the printer head during printing, the printer head heats and sinters carbon powder on the paper, so that the printing function is realized.

The utility model and its embodiments have been described above with no limitation, and the actual construction is not limited to the embodiments of the utility model as shown in the drawings. In summary, if one of ordinary skill in the art is informed by this disclosure, a structural manner and an embodiment similar to the technical solution should not be creatively devised without departing from the gist of the present utility model.

Claims (3)

1. A movement mechanism with self-balancing printhead pressure, characterized in that: including quick-witted dabber (3), thermal print head (7), frame (2), trip (5) and fin (6), the both ends of fin (6) all are equipped with fixed curb plate, runway circular through-hole (4) have been seted up at the middle part of fixed curb plate, runway circular through-hole (4) at both ends are passed in machine spindle (3) are fixed on fin (6), the middle part bottom extension of fin (6) has the fulcrum axle, square hole has been seted up at the diapire middle part of frame (2), the fulcrum axle inlays and locates square downthehole, rotatable rubber roll (1) are installed on frame (2), wear to locate trip (5) setting in the rotation of the both ends of rubber roll (1).

2. A printhead pressure self-balancing cartridge mechanism according to claim 1, wherein: the thermal printing head (7) is connected with the radiating fins (6) through heat conduction adhesives, the clamping hooks (5), the radiating fins (6) and the frame (2) are connected together through the machine core shaft (3), and springs are arranged behind the radiating fins (6).

3. A printhead pressure self-balancing cartridge mechanism according to claim 2, wherein: the fixed side plates are arranged in a backward extending mode perpendicular to the radiating fins (6).