CN217259171U

CN217259171U - Angle-adjustable printing head device and thermal printer

Info

Publication number: CN217259171U
Application number: CN202123359154.4U
Authority: CN
Inventors: 不公告发明人
Original assignee: Xiamen Hanyin Electronic Technology Co Ltd
Current assignee: Xiamen Hanyin Electronic Technology Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-08-23
Anticipated expiration: 2031-12-28

Abstract

A printing head device and a thermal printer with adjustable angles comprise a bracket and a printing head, wherein the printing head is arranged on the bracket; the device also comprises a mounting seat, a rotating frame and an adjusting rod; the mounting base is provided with a connecting shaft; the rotating frame and the connecting shaft can be rotatably connected and can rotate around a first direction; the bracket is rotatably connected with the rotating frame and is provided with a clamping groove; the adjusting rod penetrates through the clamping groove and is rotatably connected with the rotating frame, and the adjusting rod can be controlled to rotate so as to push the support to rotate around the second direction. The utility model discloses can realize beating printer head angle modulation in two sides, strengthen the adaptivity of product, and reduce the machining precision and the assembly requirement of part, guarantee printing quality promptly, reduce manufacturing cost again.

Description

Angle-adjustable printing head device and thermal printer

Technical Field

The utility model relates to a printer field, especially an adjustable angle beat printer head device and thermal printer.

Background

The traditional thermal printing head is composed of a row of heating elements which are provided with the same resistors and are arranged densely, the elements can generate high temperature quickly through certain current, when card surface information is printed, when a medium coating of a card surface meets the high temperature elements, the temperature can rise in a very short time, when the temperature rises to a certain range, the medium coating of the card surface can generate physical reaction to display colors, and meanwhile, after computer software sends different printing instructions, the printing head can print related characters, patterns and the like on the medium coating of the card surface.

Most thermal printers on the market at present have fixed printing angles, the fixed printing angles of the thermal printers are easily affected by part machining precision and assembly errors, and poor printing effects such as weak overall printing concentration or weak local printing concentration are often caused by adverse effects.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at overcomes current beat printer head angle and be fixed, receives machining precision and assembly error influence easily, causes to print the not good defect of effect, provides an adjustable angle's beat printer head device and thermal printer, can realize beating printer head at two ascending angle modulation of side, has strengthened the adaptability of product.

The utility model adopts the following technical scheme:

an angle-adjustable printing head device comprises a bracket and a printing head, wherein the printing head is arranged on the bracket; the method is characterized in that: the device also comprises a mounting seat, a rotating frame and an adjusting rod; the mounting base is provided with a connecting shaft; the rotating frame and the connecting shaft can be rotatably connected and can rotate around a first direction; the bracket is rotatably connected with the rotating frame and is provided with a clamping groove; the adjusting rod penetrates through the clamping groove and is rotatably connected with the rotating frame, and the adjusting rod can be controlled to rotate so as to push the support to rotate around the second direction.

Preferably, the adjusting rod comprises a rod body and two rotating pieces, the two rotating pieces are respectively fixed at two ends of the rod body, and the rod body and the rotating pieces are eccentrically arranged.

Preferably, the bracket comprises a first connecting plate and two first side plates, the first connecting plate is connected between the two first side plates, and the two first side plates are respectively provided with the clamping grooves; the adjusting rod penetrates through the two clamping grooves.

Preferably, the rotating frame comprises a second connecting plate and two second side plates, the second connecting plate is connected between the two second side plates, the two second side plates are respectively provided with a through hole, and the two rotating pieces are respectively concentrically and rotatably arranged outside the corresponding through holes.

Preferably, the rotating member is provided with a first notch groove, the first notch groove extends along the circumferential direction of the adjusting rod, and the rotating frame is correspondingly provided with a limiting protrusion which can be located in the first notch groove.

Preferably, the locking device further comprises a locking piece detachably fixed on the rotating frame, the locking piece is located outside one of the rotating pieces and can be detached so as to conveniently control the adjusting rod to axially move to enable the first notch groove to be separated from the limiting protrusion; the rotating piece is further provided with a second notch groove and can rotate to be opposite to the limiting protrusion.

Preferably, the clamping groove comprises a clamping section and a dismounting section, the clamping section extends along the second direction and the first direction, and the dismounting section is communicated with the clamping section and extends along the rotation direction of the bracket; this dismouting section is equipped with first opening, adjust the pole and wear to locate the joint section and can be controlled rotatory to the dismouting section so that the dismantlement of support.

Preferably, two opposite outer sides of the bracket are respectively provided with a first protruding shaft, two opposite sides of the rotating frame are correspondingly provided with a first groove, and the first protruding shafts can rotatably penetrate through the corresponding first grooves; the heating wire of the printing head is positioned on the connecting line of the two first convex shafts.

Preferably, two opposite outer sides of the bracket are respectively provided with a second groove, two opposite inner sides of the rotating frame are correspondingly provided with a second protruding shaft, the second protruding shafts are embedded in the corresponding second grooves, and the second grooves extend along the rotating direction of the bracket and are provided with second openings.

A thermal printer comprising a printer body, characterized in that: the printer body is provided with the angle-adjustable printing head device.

From the above description of the present invention, compared with the prior art, the present invention has the following advantages:

1. the utility model is provided with a mounting seat, a rotating frame, an adjusting rod and the like, wherein the rotating frame and the connecting shaft can be rotatably connected to realize that the printing head rotates around a first direction; this support is rotatable with the swivel mount, should adjust the pole and pass the draw-in groove of support and with swivel mount rotatable coupling, adjusts the pole rotation in order to promote the support to realize beating printer head rotatory around the second direction through controlling, can realize beating printer head angle modulation in two directions, has strengthened the adaptability of product, and reduces the machining precision and the assembly requirement of part, has guaranteed promptly to print the quality, has reduced manufacturing cost again.

2. The utility model discloses in, adjust the pole and include the body of rod and two rotating parts, two rotating parts are fixed in body of rod both ends respectively and are eccentric settings, then when controlling the rotating part rotation, the body of rod can promote the support rotatory around the second direction, and the regulative mode is simple, easy operation.

3. In the utility model, the bracket can be integrated or split, two first side plates are respectively provided with a clamping groove and a first protruding shaft, and the adjusting rod passes through the two clamping grooves; the rotating frame can be integrally formed or arranged in a split mode, the second side plate of the rotating frame is provided with a first groove so as to be rotatably connected with the first protruding shaft, and the rotating pieces are respectively concentrically and rotatably arranged on the outer side of the through hole of the second side plate, so that the support is enabled to rotate more reliably and stably relative to the rotating frame.

5. The utility model discloses in, still be equipped with the second groove on the support curb plate, correspond on the swivel mount and be equipped with the protruding axle of second, the protruding axle of second inlays in the second inslot, plays the guide effect to the support is rotatory.

6. In the utility model, the rotating part is provided with a first gap groove and a second gap groove, the rotating frame is correspondingly provided with a limiting bulge, and the limiting bulge can be positioned in the first gap groove and is used for limiting the rotating part to rotate within a preset angle range so as to prevent over-adjustment; still be equipped with the locking piece on the swivel mount, the locking piece is used for restricting the axial displacement who adjusts the pole, and the locking piece can be dismantled so that control and adjust pole axial displacement, and then the first breach groove of swivel spare can break away from spacing protruding rotation entering second breach groove, then the support gets into dismantled and assembled state.

7. The utility model discloses in, the draw-in groove is including joint section and dismouting section, and dismouting section and joint section intercommunication are equipped with first opening, and the regulation pole is worn to locate the joint section and can be controlled rotatory to the dismouting section and get into the dismouting state, and the draw-in groove can follow first opening and break away from the regulation pole this moment.

Drawings

FIG. 1 is a view of the structure of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a side view of the bracket;

FIG. 4 is a cross-sectional view of the turret;

fig. 5 is a cross-sectional view of the present invention (rotated in a first direction);

fig. 6 is a cross-sectional view (initial state) of the present invention;

fig. 7 is a side view (initial state) of the present invention;

fig. 8 is a cross-sectional view of the present invention (the state of-5 °);

fig. 9 is a side view of the present invention (the state of-5 °);

fig. 10 is a cross-sectional view (5 ° state) of the present invention;

fig. 11 is a side view (5 ° state) of the present invention;

fig. 12 is a sectional view of the present invention (in a disassembled state);

fig. 13 is a side view of the present invention (disassembled state);

wherein:

10. support, 11, first connecting plate, 12, first curb plate, 13, the draw-in groove, 14, first protruding axle, 15, the second groove, 16, the joint section, 17, the dismouting section, 18, first opening, 19, the second opening, 20, the printer head, 21, the heater wire, 30, the mount pad, 31, the connecting axle, 40, the swivel mount, 41, the second connecting plate, 42, the second curb plate, 43, the first groove, 44, the second protruding axle, 45, the through-hole, 46, spacing arch, 47, the locking piece, 50, the regulation pole, 51, the body of rod, 52, the rotating member, 53, first breach groove, 54, the second breach groove.

Detailed Description

The present invention will be further described with reference to the following detailed description.

The terms "first", "second", and the like in the present invention are used for convenience of description only to distinguish different constituent elements having the same name, and do not indicate a sequential or primary-secondary relationship.

In the description of the present invention, the directions or positional relationships indicated by "up", "down", "left", "right", "front", and "rear" are used as the directions or positional relationships indicated by the drawings, and are only for convenience of description of the present invention, and it is not intended to indicate or imply that the device indicated must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the scope of the present invention.

Referring to fig. 1 to 5, an angle-adjustable print head apparatus includes a support 10, a print head 20, a mounting base 30, a rotating frame 40, an adjusting lever 50, and the like. The print head 20 is mounted on a support 10, the support 10 may include a first connecting plate 11 and two first side plates 12, the first connecting plate 11 is connected between the two first side plates 12, the print head 20 may be fixed on the first connecting plate 11, and the first connecting plate 11 and the first side plates 12 may be of an integrated structure or a split structure.

The mounting seat 30 is provided with a connecting shaft 31, and the rotating frame 40 is rotatably connected with the connecting shaft 31 and can rotate around a first direction. The rotating frame 40 may also include a second connecting plate 41 and two second side plates 42, the second connecting plate 41 is connected between the two second side plates 42, and the second connecting plate 41 and the second side plates 42 may be of an integral structure or a split structure. The connecting shaft 31 may be vertically inserted through the second connecting plate 41, and the first direction is an axial direction of the connecting shaft 31.

The bracket 10 is rotatably connected to the rotating frame 40 and is provided with a clamping groove 13, and two opposite sides of the bracket 10 are respectively provided with a first protruding shaft 14, i.e. the outer sides of the bottoms of the two first side plates 12 can be provided with the first protruding shafts 14. The two opposite sides of the rotating frame 40 are correspondingly provided with first slots 43, that is, the bottoms of the two second side plates 42 can be provided with the first slots 43, the first protruding shafts 14 can rotatably penetrate through the corresponding first slots 43, the two first protruding shafts 14 form a rotating shaft, and the support 10 can rotate around the rotating shaft. The heater wire 21 of the print head 20 may be located on the connecting line of the two first protruding shafts 14.

Further, two opposite outer sides of the bracket 10, i.e. the two first side plates 12, are respectively provided with a second groove 15, two opposite inner sides of the rotating frame 40, i.e. the inner sides of the second side plates 42, are correspondingly provided with a second protruding shaft 44, the second protruding shafts 44 are embedded in the corresponding second grooves 15, the second grooves 15 extend along the rotating direction of the bracket 10, the rotating direction is also the circumferential direction taking the first protruding shafts 14 as the center of a circle, and one end of the second grooves 15 is provided with a second opening 19. When the support 10 rotates relative to the rotating frame 40, the second protruding shaft 44 can slide along the second groove 15, so as to achieve the functions of guiding and supporting the support.

The utility model discloses in, be equipped with draw-in groove 13 on two first curb plates 12 of support 10 respectively, should adjust pole 50 pass draw-in groove 13 and with swivel mount 40 rotatable coupling, should adjust pole 50 and can be controlled the rotation in order to promote support 10 rotatory around the second direction. The second direction is a direction connecting the two first protruding shafts 14, and the second direction may be perpendicular to the first direction.

Further, the adjusting lever 50 includes a lever body 51 and two rotating members 52, the two rotating members 52 are respectively fixed at two ends of the lever body 51, the lever body 51 and the rotating members 52 are eccentrically disposed, that is, the center line of the lever body 51 does not coincide with the center line of the rotating members 52. The rod body 51 and the two rotating members 52 may be separately provided or integrally formed.

Further, through holes 45 are respectively formed on two opposite sides of the rotating frame 40, i.e., the second side plate 42, and the two rotating members 52 are respectively concentrically and rotatably disposed outside the corresponding through holes 45. The through hole 45 is concentric with the rotary member 52, and the rod body 51 is also eccentric with respect to the through hole 45. The rotating member 52 is further provided with a first notched groove 53, and the first notched groove 53 extends in the circumferential direction of the adjustment lever 50. The through hole 45 of the rotating frame 40 is correspondingly provided with a limiting protrusion 46 at the outer side, and after assembly, the limiting protrusion 46 is located in the first notch groove 53. When the rotation member 52 is operated to rotate, the rotation angle of the rotation member 52 is limited by the limiting protrusion 46, so that the rotation angle of the bracket 10 is further limited, and over-adjustment is prevented.

The clamping groove 13 comprises a clamping section 16 and a dismounting section 17, the clamping section 16 extends along a second direction and a first direction, and when the clamping section 16 is clamped on the rod body 51, the clamping section can be pushed by the rod body 51 to drive the support 10 to rotate around the second direction. The detachable section 17 is communicated with the clamping section 16 and extends around the rotation direction of the bracket 10, and a first opening 18 is formed in the detachable section 17 so that the rod 51 can be conveniently installed in the clamping groove 13 or detached from the clamping groove 13.

The adjusting rod 50 penetrates through the clamping section 16 and can be controlled to rotate to the dismounting section 17 so as to facilitate the dismounting of the support 10, namely, when the rod body 51 of the adjusting rod 50 penetrates through the clamping section 16, the rotating member 52 is controlled to enable the rod body 51 to push the support 10 to rotate around the second direction, when the rod body 51 is rotated to be located at the dismounting section 17, the support 10 is in a dismountable state, the rod body 51 can be separated from the clamping groove 13 from the first opening 18 along the dismounting section 17, and the support 10 can be dismounted from the rotating frame 40. Furthermore, when the rod 51 is located at the first opening 18, the second protruding shaft 44 is also located at the second opening 19, so as to ensure smooth assembly and disassembly.

The utility model discloses a rotating member 52 still is equipped with second breach groove 54, and this second breach groove 54 is located the outer suitable position of first breach groove 53. The locking device further comprises a locking piece 47, the locking piece 47 is detachably fixed on one of the second side plates 42 of the rotating frame 40, and the locking piece 47 and the rotating frame 40 can be detachably locked by screws and the like. The locking member 47 is located outside the corresponding rotating member 52 and serves to limit the axial movement of the adjustment lever 50. The locking member 47 can be removed, i.e. moved outward to facilitate the adjustment rod 50 to move axially, so that the rotation angle of the rotating member 52 is not limited, and when the rotating member 52 rotates to the second notch 54 opposite to the limiting protrusion 46, the rod 51 is located at the removing section 17 of the locking slot 13.

The utility model also provides a thermal printer, including printer body, this printer body is equipped with foretell adjustable angle's the printer head device that beats.

The utility model discloses can realize the ascending angular adjustment of two directions, can regard the first direction as the X axle, the second direction as the Y axle, regard as the Z axle with first direction and second direction vertically direction. In order to more intuitively embody the adjustment angle, an angle scale is provided at the first notch 53 on the at least one rotating member 52, taking the adjustable angle range of the bracket 10 rotating around the second direction as-5 ° to 5 °, the specific principle is as follows:

referring to fig. 5, the rotating frame 40 is rotatable about the X-axis: when the thermal printer drives the printing head device to press down, if the printing plane inclines in the Y-axis direction, the rotating frame 40 can drive the support 10 to rotate around the X-axis, so as to perform self-adaptive adjustment, and the inclination angles of the support 10 and the printing head 20 are kept consistent with the inclination angle of the printing plane in the Y-axis direction.

Referring to fig. 6 and 7, in the initial state, the limiting protrusion 46 may face the center of the angle scale, the rod 51 is inserted into the clamping section 16 of the clamping groove 13, and the print head 20 may be substantially parallel to the Z axis.

Referring to fig. 8 and 9, the rotating member 52 is operated to rotate clockwise until the limiting protrusion 46 faces to a position of-5 ° on the rotating member 52, the limiting protrusion 46 abuts against one side of the first notch 53, the rod 51 pushes the bracket 10 to rotate around the Y axis, at this time, the rod 51 rotates a small distance along the axis of the through hole 45, the second protruding shaft 44 slides along the second groove 15, and at this time, the included angle between the print head 20 and the Z axis is-5 °.

Referring to fig. 10 and 11, the rotating member 52 is operated to rotate counterclockwise until the limiting protrusion 46 faces to a position of 5 ° on the rotating member 52, the limiting protrusion 46 abuts against the other side of the first notch 53, the rod 51 pushes the bracket 10 to rotate around the Y axis, the rod 51 moves downward a small distance along the clamping section 16, the second protruding axis 44 slides along the second slot 15, and an included angle between the print head 20 and the Z axis is 5 °.

Referring to fig. 12 and 13, the locking member 47 is unscrewed, the adjusting rod 50 is pulled outward, so that the first notched groove 53 is disengaged from the limiting protrusion 46, and the rotating member 52 can be operated to rotate 180 ° counterclockwise or clockwise until the second notched groove 54 faces the limiting protrusion 46, the rod 51 pushes the bracket 10 to rotate around the Y axis, at this time, the rod 51 enters the dismounting section 17, the bracket 10 is dismounted from the rotating frame 40, the locking groove 13 can be disengaged from the adjusting rod 50 along the dismounting section, and the second groove 15 can also be disengaged from the second protruding shaft 44.

The aforesaid is only the embodiment of the present invention, but the design concept of the present invention is not limited to this, and it is right to utilize this concept the present invention to perform insubstantial modification, and all belong to infringement the protection scope of the present invention.

Claims

1. An angle-adjustable printing head device comprises a bracket and a printing head, wherein the printing head is arranged on the bracket; the method is characterized in that: the device also comprises a mounting seat, a rotating frame and an adjusting rod; the mounting base is provided with a connecting shaft; the rotating frame is rotatably connected with the connecting shaft and can rotate around a first direction; the bracket is rotatably connected with the rotating frame and is provided with a clamping groove; the adjusting rod penetrates through the clamping groove and is rotatably connected with the rotating frame, and the adjusting rod can be controlled to rotate so as to push the support to rotate around the second direction.

2. An adjustable angle printhead apparatus according to claim 1, wherein: the adjusting rod comprises a rod body and two rotating pieces, the two rotating pieces are respectively fixed at two ends of the rod body, and the rod body and the rotating pieces are eccentrically arranged.

3. An adjustable angle printhead apparatus according to claim 2, wherein: the bracket comprises a first connecting plate and two first side plates, the first connecting plate is connected between the two first side plates, and the two first side plates are respectively provided with the clamping grooves; the adjusting rod penetrates through the two clamping grooves.

4. An adjustable angle printhead apparatus as claimed in claim 2, wherein: the rotating frame comprises a second connecting plate and two second side plates, the second connecting plate is connected between the two second side plates, the two second side plates are respectively provided with a through hole, and the two rotating pieces are respectively concentric and rotatably arranged outside the corresponding through holes.

5. An adjustable angle printhead apparatus according to claim 2, wherein: the rotating piece is provided with a first notch groove, the first notch groove extends along the circumferential direction of the adjusting rod, the rotating frame is correspondingly provided with a limiting protrusion, and the limiting protrusion can be located in the first notch groove.

6. An adjustable angle printhead apparatus according to claim 5, wherein: the locking piece is detachably fixed on the rotating frame, is positioned outside one of the rotating pieces and can be detached so as to control the adjusting rod to axially move to enable the first notch groove to be separated from the limiting protrusion; the rotating piece is further provided with a second notch groove and can rotate to be opposite to the limiting protrusion.

7. An adjustable angle printhead apparatus according to claim 1, wherein: the clamping groove comprises a clamping section and a dismounting section, the clamping section extends along the second direction and the first direction, and the dismounting section is communicated with the clamping section and extends along the rotation direction of the bracket; this dismouting section is equipped with first opening, adjust the pole and wear to locate the joint section and can be controlled rotatory to the dismouting section so that the dismantlement of support.

8. An adjustable angle printhead apparatus according to claim 1, wherein: the two opposite outer sides of the bracket are respectively provided with a first convex shaft, the two opposite sides of the rotating frame are correspondingly provided with a first groove, and the first convex shafts can rotatably penetrate through the corresponding first grooves; the heating wire of the printing head is positioned on the connecting line of the two first convex shafts.

9. An adjustable angle printhead apparatus according to claim 1, wherein: the two opposite outer sides of the support are respectively provided with a second groove, the two opposite inner sides of the rotating frame are correspondingly provided with a second protruding shaft, the second protruding shafts are embedded in the corresponding second grooves, and the second grooves extend along the rotating direction of the support and are provided with second openings.

10. A thermal printer comprising a printer body, characterized in that: the printer body is provided with an adjustable angle printhead arrangement as claimed in any one of claims 1 to 9.