KR102620259B1 - Automatic assignment correction apparatus for thermal print head - Google Patents

Abstract

The present invention relates to a thermal transfer head automatic correction device, and in particular, to a thermal transfer printing device in which a thermal transfer head is mounted on a rotating door, wherein the thermal transfer head adheres the printing medium to the platen roller when the rotating door is closed. It relates to an automatic thermal transfer head correction device that ensures that the thermal transfer head is placed in the correct position in the relationship.

Description

Thermal transfer head automatic correction device {AUTOMATIC ASSIGNMENT CORRECTION APPARATUS FOR THERMAL PRINT HEAD}

The present invention relates to a thermal transfer head automatic correction device, and more specifically, to a thermal transfer printing device in which a thermal transfer head is mounted on a rotating door, wherein the thermal transfer head adheres the printing medium to the plate when the rotating door is closed. It relates to an automatic correction device for a thermal transfer head that ensures that it is positioned in the correct position in relation to the turn roller.

Recently, with the development of digital technology, thermal transfer printing devices that instantly print photos taken at a terminal or provide various printed materials as part of a terminal application service are becoming popular.

The thermal transfer printing device applies heat to the ink ribbon with a thermal transfer head (TPH: Thermal Print Head) to transfer (print) the dye or pigment applied to the ink ribbon onto the printing paper supplied within the device. Use the method.

At this time, printing paper and ink ribbon, which are consumables, are each provided in roll type wound around a cartridge, and the printing paper and ink ribbon being transported for printing are brought into close contact with the thermal transfer head by a platen roller and thermal transfer is performed.

Accordingly, the thermal transfer head and the platen roller must be placed in exact positions, and any discrepancy between them causes problems such as deterioration in printing quality, so a correction device that can maintain the correct position after placement is required.

Japanese Patent No. 6666497 Republic of Korea Patent No. 10-0166459

The present invention is intended to solve the above-mentioned problems, and in the thermal transfer printing device in which the thermal transfer head is mounted on a rotating door, the relationship between the thermal transfer head and the platen roller that adheres the printing medium when the rotating door is closed The purpose is to provide an automatic thermal head correction device that ensures that the heat transfer head is placed in the correct position.

To this end, the thermal transfer head automatic correction device according to the present invention automatically aligns the position of the thermal transfer head in the thermal transfer printing device, and includes a connection bracket installed on a rotating door provided on one side of the printing device body; a head bracket assembled to an end of the connection bracket and on which the thermal transfer head is installed; an alignment frame provided at both ends of the head bracket in the width direction and in close contact with both ends of the platen roller when the door is closed; A push bar protruding forward based on the pivot point extends to press the alignment frame from the upper side, and a latch in which a return spring is connected to the connecting bar protruding toward the rear so that a force is applied upward; and a stopper that limits the rotation angle of the latch so that the alignment frame can enter while lifting the push bar when the pivotable door is closed.

At this time, the pivotable door is a front door provided on the front of the printing device body, the connection bracket is installed to extend inward from the front door, and the head bracket transfers the heat toward the front where the front door is installed. It is desirable to support the head so that it is tilted upward.

Additionally, a first connector provided at a rear end of the connection bracket so that the head bracket on which the alignment frame is installed slides in a downwardly inclined direction when the pivotable door is closed; and a second connector provided at the front end of the alignment frame and assembled to the first connector so as to be able to slide within a set length by its own weight.

In addition, the first connector and the second connector are provided at both ends of the thermal transfer head in the width direction, and the second connector is assembled so as to contact the inner surface of the first connector, and the head connected to the second connector is It is desirable to prevent the bracket from shaking left and right.

In addition, the alignment frame includes a lifting part that lifts and enters a push bar protruding toward the front side of the latch when the pivotable door is closed; and a support part provided on the other side of the lifting part, which contacts the platen roller and acts as a locking member.

In addition, the latch further includes a guide roller rotatably installed at an end of the push bar and in contact with the lifting portion of the alignment frame, wherein the guide roller is rotatably installed in a direction in which the alignment frame enters. desirable.

In addition, the push bar on which the guide roller is installed extends a preset length from the rotation center point to the front side, and preferably has a shape curved at an angle within a set range so that the guide roller presses the lifting part of the alignment frame.

In the present invention as described above, when the pivoting door is closed, the alignment frame of the thermal transfer head is placed in the correct position while being in close contact with the platen roller, and after being in close contact, the alignment frame is fixed by a latch. Accordingly, the thermal transfer head is automatically positioned in the correct position in relation to the platen roller that adheres the printing medium.

Figure 1 is a front cross-sectional view showing the paper printing path of the thermal transfer printing device.
Figure 2 is a front cross-sectional view showing the paper discharge path of the thermal transfer printing device.
Figure 3 is a perspective view showing the thermal transfer head automatic correction device according to the present invention.
Figure 4 is a diagram showing the installation state of the thermal transfer head automatic correction device according to the present invention.
Figure 5 is a partial exploded view of the thermal transfer head automatic correction device according to the present invention.
Figure 6 is a perspective view showing the head bracket of the present invention.
Figure 7 is a diagram showing a latch according to an embodiment of the present invention.
Figure 8 is a perspective view showing a thermal transfer head automatic correction device according to another embodiment of the present invention.
Figure 9 is a diagram showing a latch according to another embodiment of the present invention.
Figure 10 is an installation state diagram showing a stopper according to another embodiment of the present invention.
Figure 11 is an operation state diagram of a thermal transfer head automatic correction device according to another embodiment of the present invention.
Figure 12 is a diagram showing the first connector of the present invention.
Figure 13 is a diagram showing a second connector of the present invention.
Figure 14 is a diagram showing the assembled state of the first connector and the second connector of the present invention.

Hereinafter, a thermal transfer head automatic correction device according to a preferred embodiment of the present invention will be described in detail with reference to the attached drawings.

First, the thermal transfer printing device 10 to which the thermal charge head automatic correction device of the present invention can be applied will be described.

Figure 1 is a front cross-sectional view showing the printing (thermal transfer) state of the thermal transfer printing device, and Figure 2 is a front cross-sectional view showing the decal (paper ejection) state of the thermal transfer printing device.

As shown, the thermal transfer printing device 10 applies heat to the ink ribbon (IR) with a thermal print head (14) to print the dye or pigment applied to the ink ribbon. The same ink is transferred to printing paper (PA) and printed.

For printing, the printing process is driven by the engine for the printing device, which consists of a motor and a gear device, and the consumables such as printing paper and ink ribbon are each wound around a cartridge and placed in the printing device housing (printer body). It is installed.

The printing process largely consists of transferring the printing paper along with the ink ribbon to the thermal transfer head 14 for printing (see FIG. 1) and withdrawing the printed printing paper out of the printer body after decaling (see FIG. 2). Includes.

In order to distinguish between the printing path and other decal and discharge paths, either the first path or the second path is opened by rotating a diverter (16) installed at the branch point, and the printing paper moves through the opened path. So the process proceeds.

At this time, the printing paper is supplied to the thermal transfer head 14 together with the ink ribbon. The printing paper, the transport of which is controlled by the present invention, is moved and brought into close contact with the grip roller 11a, thereby controlling its transport (feed).

Additionally, the supplied printing paper and ink ribbon are brought into close contact with the thermal transfer head 14 by a platen roller 15 that can move back and forth. Accordingly, heat is applied to the ink ribbon, and the ink contained in the ink ribbon is printed on the printing paper.

For this purpose, the thermal transfer printing device 10 includes a paper cartridge 11, a paper supply path (PT-P), a supply roll 12, a winding roll 13, a ribbon supply path (PT-R), and a thermal transfer head. (14), platen roller (15), diverter (16), decal machine (17) and cutter (18).

The above components are installed within the printing device body. The body of the printing device is roughly shaped like a hexahedron, into which a ribbon cartridge is inserted and mounted through the front front doors (F-D), and a paper cartridge 11 is inserted and mounted through the upper top door.

The above configurations are examples, and the paper cartridge 11 is disposed on one side (left side in the drawing) based on the width direction of the printing device housing 10 (printer body), and the supply roll 12 and the winding roll 13 are placed at the top and bottom on the other side (right side in the drawing).

In addition, the thermal transfer head 14 is installed between the supply roll 12 and the winding roll 13 arranged at the top and bottom, and the paper evacuation path (P-RE) and paper The discharge path (P-EX) branches into two.

The paper evacuation path (P-RE) is formed on the top of the printing paper cartridge 11, and the paper discharge path (P-EX) is formed on the top of the supply roll 12 disposed on the upper side. That is, a branch path is formed in the upper part of the diverter 16 into a paper evacuation path (P-RE) and a paper discharge path (P-EX).

Meanwhile, the thermal transfer head automatic correction device according to the present invention is installed in the thermal transfer printing device, so that when the rotary door (F-D) is closed, the thermal transfer head 14 mounted on the door moves to the platen mounted inside the printing device body. It is placed in the correct position adjacent to the roller (15).

As shown in Figure 3, the thermal transfer head automatic correction device according to the present invention includes a connection bracket 110, a head bracket 120, an alignment frame 130, a latch 140, and a stopper 150 as an embodiment. And, another preferred embodiment further includes a first connector 160 and a second connector 170.

In the above configuration, the head bracket 120 is installed on the pivoting door (F-D) through the connection bracket 110. The alignment frames 130 provided at both ends of the head bracket 120 are in close contact with the platen roller 15 to align their positions.

At this time, the latch 140 elastically presses the alignment frame 130 to fix the head bracket 120 on which the thermal transfer head 14 is installed, and the stopper 150 prevents the latch 140 from rotating beyond a set angle. The alignment frame 130 can be pushed into the lower side of the latch 140.

Additionally, the first connector 160 is coupled to the connection bracket 110 on the pivotable door (F-D) side, and the second connector 170 is coupled to the alignment frame 130 on the thermal transfer head 14 side. Furthermore, the second connector 170 is assembled to the first connector 160 so as to slide in a downward inclined direction by its own weight.

Therefore, when the rotary door (F-D) is closed, the heat transfer head 14 installed on the second connector 170 slides in a downward direction and the alignment frame 130 comes into close contact with the platen roller 15. If this happens, the movement stops and alignment occurs automatically.

Afterwards, as described above, the alignment frame 130 is pressurized and fixed by the latch 140, allowing it to remain aligned even during printing. In other words, it is possible to prevent misalignment or vibration from occurring due to the latch 140.

To be more specific, the connection bracket 110 is for mounting the thermal transfer head 14 on the pivotable door (F-D), and is provided on one side of the printing device body. is installed in

In an embodiment, the connection bracket 110 includes a pair of left and right brackets extending from the inner side of the pivotable door (F-D) toward the inside of the printing device, and covers can be installed on the upper and lower portions of the pair of left and right brackets.

As shown in Figure 4, the printing device body may be equipped with an installation frame (A-F) installed inside the printing device housing that constitutes the exterior. The installation frame (A-F) consists of vertical frames placed on both left and right sides.

A pivoting door (F-D) is installed between the installation frames (A-F) to block or open the access road between them. For example, the rotating door (F-D) is a front door (F-D) installed on the front of the printing device body, and has a rotating shaft (D-X) at the bottom to open and close by holding the upper part.

At this time, the connection bracket 110 is configured to extend inward while installed on the pivoting door (F-D) to position the thermal transfer head 14 on the printing paper movement path inside the printing device, and the printing paper movement path includes a flag. A turn roller 15 is disposed.

As shown in Figure 5, the head bracket 120 is installed with the thermal transfer head 14 and is assembled to the end of the connection bracket 110. Accordingly, the thermal transfer head 14 mounted on the head bracket 120 moves together with the rotary door (F-D) to face the platen roller 15.

As shown in FIG. 6, the head bracket 120 can be a square frame with a width set to correspond to the width of the printing medium (ink ribbon or printing paper), and the thermal transfer portion of the thermal transfer head 14 is facing inward. In this state, it is fastened with a bolt and fixed to the head bracket 120.

When the rotating door (F-D) is a front door provided on the front of the printing device body, the connection bracket 110 is installed on the front door, and the head bracket 120 moves towards the front where the front door is installed. ) is supported so that it slopes upward.

For this purpose, the pivoting door (F-D) is installed to be inclined upwardly outward around the pivot axis (D-X) in a fully closed state, and the connection bracket 110 extends vertically in a straight line from the inner surface of the pivoting door (F-D). It can be configured as follows.

Accordingly, the thermal transfer head 14 is in oblique contact with the printing paper and ink ribbon being transported in the overall vertical direction, thereby providing close contact with high tension, thereby improving printing quality.

The alignment frame 130 restricts the movement of the heat transfer head 14 so that it is arranged side by side on the platen roller 15, and is provided at both ends of the head bracket 120 in the width direction, so that the pivotable doors (F-D) are provided. In the closed state, it is in close contact with both ends of the platen roller (15).

In an embodiment, the alignment frame 130 is provided on a lifting part 131 that lifts and enters the front part of the latch 140 when the rotary door (F-D) is closed, and on one side of the lifting part 131 to lift the platen. It includes a support portion 132 caught on the roller 15.

As a space into which the platen roller 15 enters is formed inside the support portion 132, the alignment frame 130 is overall shaped like a '┓' when viewed from the side.

The alignment frame 130 may be manufactured integrally with the plate-shaped head bracket 120, and both ends of the head bracket 120 are bent toward the inside of the printing device where the platen roller 15 is located to form the alignment frame 130. ) can be formed.

At this time, the gap between the alignment frames 130 is wider than the width of the printing paper or ink ribbon, and annular seating plates 15a are provided at both ends in the width direction of the platen roller 15 corresponding to the alignment frame 130. , the alignment frame 130 is brought into close contact with the mounting base 15a.

A bearing may be preferably used as the annular seating base 15a. Since the bearing rotates with the platen roller 15 as its rotation axis, it is possible to prevent wear caused by contact with the alignment frame 130 as well as noise generation.

In addition, the alignment frame 130 is prevented from being damaged by direct contact with the pressurized portion of the platen roller 15, and the printing paper and ink ribbon overlap and pass between the thermal transfer head 14 and the platen roller 15. It allows the formation of fine passages.

The latch 140 is in close contact with the mounting base of the platen roller 15 and prevents the aligned thermal transfer head 14 from being separated or shaking. Furthermore, if the alignment is slightly off, complete alignment is achieved by applying pressure.

For this purpose, the latch 140 includes a push bar 141 protruding toward the front side based on the rotation center point O and a connecting bar 142 protruding toward the rear side on the opposite side, and the connecting bar 142 exerts an upward force. The return spring 143 is connected to this effect.

That is, the push bar 141 protruding forward based on the rotation center point O extends to press the alignment frame 130 from the upper side, and the connecting bar 142 protruding toward the rear side is such that a force is applied upward. The return spring 143 is connected.

In an embodiment, the latch 140 has an axis hole formed at the pivot point O, so that the axis of the latch 140 protruding from the side of the printing device body is inserted and assembled, and an annular shape is formed on the axis of the latch 140 to prevent separation. The fitting is assembled using an interference fit method.

In addition, a fitting hole is formed protruding at the rear part of the latch 140 to engage the lower end of the return spring 143, and the upper end of the return spring 143 protrudes from the upper part of the latch 140 among the side walls of the printing device body. It is fixed to the fitting piece and acts as an elastic force to lift the rear part of the latch 140.

At this time, the stopper 150 limits the rotation angle of the latch 140 so that the alignment frame 130 can enter by lifting the front part of the latch 140 when the pivotable door F-D is closed.

Specifically, the stopper 150 may have a protruding protrusion applied to the side wall of the printing device housing, and is provided at a designed position (rotation limit angle) within the rotation radius of the latch 140 by the stopper 150. This stopper 150 may be provided integrally with the latch 140 as in other embodiments described below.

Therefore, when the rotating door (F-D) is closed for printing, the head bracket 120 installed on the inner end of the connection bracket 110 is also rotated, and the thermal transfer head 14 installed on the head bracket 120 is connected to the platen. It moves to the correct position adjacent to the roller 15.

At the same time, the alignment frame 130 on both ends of the head bracket 120 enters by slightly lifting the latch 140, and the alignment frame 130 enters the bearings (annular bearings, When placed in close contact with 15a) and in the correct position, it is pressed and fixed with the latch 140.

Accordingly, the thermal transfer head 14 is automatically placed adjacent to the platen roller 15, allowing preparation for printing to be completed.

However, as another embodiment, the present invention may adopt various structures in which the design of the latch 140 that presses the alignment frame 130 is changed.

In particular, the alignment frame 130 enters while effectively lifting the latch 140 while preventing damage to components, and the latch 140 stably presses and secures the alignment frame 130 after entry.

To this end, as shown in FIG. 8, the latch 140 is rotatably installed at the end of the push bar 141 and may further include a guide roller 144 in contact with the lifting portion 131 of the alignment frame 130. .

As shown in FIG. 9, the guide roller 144 is installed to be rotatable in the direction in which the alignment frame 130 enters. For this purpose, the end of the push bar 141 has as long as they are spaced apart from each other in the width direction of the guide roller 144. It is provided with a pair of shaft fittings (141a).

A guide roller 144 is installed between the shaft fittings 141a and exposed to the path through which the alignment frame 130 enters. Accordingly, the lifting portion 131 of the alignment frame 130 is rotatable with a guide roller 144. ) and enters stably.

In addition, the above-described stopper 150 may be provided on the installation frame (A-F), but as shown, it may be provided integrally with the latch 140, and in this case, as shown in FIG. 10, the stopper ( The guide hole 151 into which 150) is inserted is formed through the hole at a certain angle and length.

However, the push bar 141 on which the guide roller 144 is installed extends a set length from the rotation center point to the front, but the guide roller 144 can press the lifting part 131 of the alignment frame 130 with a greater force. It is desirable to have a shape curved at an angle within a set range.

Therefore, as shown in Figure 11, when the pivotable door (F-D) is closed and the alignment frame 130 begins to enter the inside, the alignment frame 130 touches the guide roller 144 between the shaft fittings 141a. It is aligned adjacent to the platen roller 15 in a rotationally supported state.

After alignment, the guide roller presses and fixes the lifting part 131 of the alignment frame 130.

Meanwhile, in the present invention, when the rotary door (F-D) is closed, the head bracket 120 on which the heat transfer head 14 is mounted slides downward by its own weight, so that the alignment frame 130 automatically moves the platen roller ( 15), it is desirable to adhere closely to it.

To this end, it further includes a first connector 160 and a second connector 170, where the first connector 160 is coupled to the connection bracket 110 on the pivoting door (F-D) side, and the second connector 170 ) is coupled to the alignment frame 130 on the thermal transfer head 14 side.

Additionally, the second connector 170 is assembled to slide along the first connector 160 in a downwardly inclined direction.

Therefore, when the rotary door (F-D) is closed, the heat transfer head 14 installed on the second connector 170 slides in a downward direction and the alignment frame 130 comes into close contact with the platen roller 15. If this happens, the movement will stop and alignment will occur automatically.

Afterwards, as described above, the alignment frame 130 is pressurized and fixed by the latch 140, allowing it to remain aligned even during printing.

More specifically, the first connector 160 is connected to the rear of the connection bracket 110 so that the head bracket 120 on which the alignment frame 130 is installed slides in a downwardly inclined direction when the pivotable door (F-D) is closed. It is provided at the side end.

The second connector 170 is provided at the front end of the alignment frame 130 and is assembled to the first connector 160 to slide within a set length by its own weight (self load). That is, the front part of the second connector 170 is fixed to the connection bracket 110, and the first connector 160 is slidably assembled to the rear part.

In addition, the first connector 160 and the second connector 170 are respectively provided at both ends in the width direction of the thermal transfer head 14, and the second connector 170 is in contact with the inner surface of the first connector 160. It is preferable that the head bracket 120 connected to the second connector 170 is not shaken from side to side.

As shown in Figure 12, the first connector 160 includes a first bracket fixing plate 161, a connector pressure plate 162, a main fitting protrusion 163, and an auxiliary fitting hole 164. In an embodiment, the first bracket fixing plate 161, the connector pressure plate 162, the main fitting protrusion 163, and the auxiliary fitting hole 164 are integrally formed, and the connector press plate 162 is attached to the first bracket fixing plate 161. It is formed to be bent at a right angle to the outer end.

At this time, the first bracket fixing plate 161 is configured in a plate shape, and has a coupling tool on the front part for being coupled to the connection bracket. The coupler may include a latching hook 161a provided at the top and an interference protrusion 161b provided at the lower center thereof and having a circular cross-section.

In addition, the main fitting protrusion 163 protrudes inward on the inner surface of the connector pressure plate 162 where the second connector 170 is located, and is inserted into the main fitting hole 173 formed in the second connector 170. .

As shown in Figure 13, the second connector 170 includes a second bracket fixing plate 171, a connector guide plate 172, a main fitting hole 173, and an auxiliary fitting projection 174. In an embodiment, the second bracket fixing plate 171, the connector guide plate 172, the main fitting hole 173, and the auxiliary fitting protrusion 174 are integrally formed, so that the connector guide plate 172 is attached to the second bracket fixing plate 171. It is formed by bending at a right angle at the outer end.

At this time, the second bracket fixing plate 171 is configured in a plate shape to be coupled to the head bracket 120, and the main fitting hole 173 is formed vertically in the connector guide plate 172, so that the second connector 170 It is assembled to enable sliding movement. That is, the second connector 170 slides while the main fitting protrusion 163 of the first connector 160 is inserted into the main fitting hole 173.

The auxiliary fitting protrusion 174 extends from the rear of the connector guide plate 172 toward the first connector 160 and is then inserted into the auxiliary fitting hole 164 to assist sliding movement.

Therefore, since the pair of first connectors 160 provided at both ends of the thermal transfer head 14 are assembled on the outside of the second connector 170 on which the thermal transfer head is mounted, the left and right movement toward the outside thereof or prevent vibration.

However, in order to position it in the correct position while preventing side-to-side movement or vibration, it is possible to slide up and down by the main fitting protrusion 163 and the main fitting hole 173. However, the thermal transfer head is placed in the correct position. Afterwards, since the alignment frame 130 is pressed by the latch 140, vibration is limited to up and down thereafter.

In addition, the first connector 160 has an auxiliary fitting hole 164 extending vertically in a long hole shape, so that after the auxiliary fitting protrusion 174 of the second connector 170 is inserted, it guides the sliding movement up and down.

Therefore, as shown in FIG. 14, the auxiliary fitting protrusion 174 is bent at 90° with respect to the main fitting protrusion 163 and the main fitting hole 173 provided in the first connector 160 and the second connector 170. Since it assists the sliding movement while being inserted into the auxiliary fitting hole 164, the arrangement of the heat transfer head 14 becomes more stable.

Above, specific embodiments of the present invention have been described in detail. However, the spirit and scope of the present invention is not limited to these specific embodiments, and various modifications and variations can be made without changing the gist of the present invention. When you grow up you will understand.

Therefore, the embodiments described above are provided to fully inform those skilled in the art of the present invention of the scope of the invention, and should be understood as illustrative in all respects and not restrictive. The invention is defined only by the scope of the claims.

110: Connection bracket
120: Head bracket
130: Alignment frame
140: latch
150: stopper
160: first connector
170: second connector
14: Thermal transfer head
15: Platen roller
FD: Swing door (front door)

Claims (7)

In the thermal transfer head automatic correction device that automatically aligns the position of the thermal transfer head in the thermal transfer printing device,
A connection bracket 110 installed on a rotating door (FD) provided on one side of the printing device body;
A head bracket 120 assembled to an end of the connection bracket 110 and on which the thermal transfer head 14 is installed;
Alignment frames 130 are provided at both ends of the head bracket 120 in the width direction and are in close contact with both ends of the platen roller 15 when the pivot door is closed;
The push bar 141 protruding toward the front based on the pivot point extends to press the alignment frame 130 from the upper side, and the connecting bar 142 protruding toward the rear is provided with a return spring 143 to apply force upward. This connected latch (latch, 140); and
When the pivotable door (FD) is closed, a stopper (150) that limits the rotation angle of the latch (140) so that the alignment frame (130) can enter while lifting the push bar (141). A thermal transfer head automatic correction device characterized in that. According to paragraph 1,
The pivoting door (FD) is a front door provided on the front of the printing device body,
The connection bracket 110 is installed to extend inward from the front door,
The head bracket 120 is a thermal transfer head automatic correction device characterized in that it supports the thermal transfer head to be inclined upward toward the front where the front door is installed. According to paragraph 1,
When the pivotable door (FD) is closed, the head bracket 120 on which the alignment frame 130 is installed slides and moves in a downward inclined direction,
a first connector 160 provided at the rear end of the connection bracket 110; and
A second connector 170 is provided at the front end of the alignment frame 130 and assembled to the first connector 160 to enable sliding movement within a set length by self load. A thermal transfer head automatic correction device characterized in that. According to paragraph 3,
The first connector 160 and the second connector 170 are provided at both ends of the thermal transfer head in the width direction, respectively,
The second connector 170 is assembled so as to contact the inner surface of the first connector 160,
A thermal transfer head automatic correction device characterized in that the head bracket (120) connected to the second connector (170) is prevented from shaking left and right. According to paragraph 1,
The alignment frame 130 is,
When the rotary door (FD) is closed, a lifting part (131) that lifts and enters the push bar (141) protruding toward the front side of the latch (140); and
A support portion (132) provided on the other side of the lifting portion (131) and acting as a lock by contacting the platen roller (15). According to clause 5,
The latch 140 is,
It further includes a guide roller 144 rotatably installed at the end of the push bar 141 and in contact with the lifting part 131 of the alignment frame 130,
The thermal transfer head automatic correction device, characterized in that the guide roller 144 is installed to be rotatable in the direction in which the alignment frame 130 enters. According to clause 6,
The push bar 141 on which the guide roller 144 is installed extends a set length forward from the rotation center point,
The thermal transfer head automatic correction device, characterized in that the guide roller 144 has a shape curved at an angle within a set range to press the lifting part 131 of the alignment frame 130.

Images