CN211942597U - Improved printer - Google Patents

Abstract

The utility model provides an improved generation printer, include the frame and beat printer head, beat the printer head on be equipped with the support arm, support arm movably install in on the frame, still include the fixed plate, the fixed plate is fixed in on the frame and with beat printer head relative configuration, beat printer head with be equipped with the elastic component between the fixed plate. The utility model discloses a beat regulation of printer head ability self-adaptation, make and beat printer head and hug closely printing paper.

Description

Improved printer

Technical Field

The utility model relates to a printer technical field particularly, relates to an improved generation printer.

Background

A printer having a thermal head, with printing paper sandwiched between a platen roller and the thermal head, prints by heating the thermal head during conveyance of the printing paper. In order to realize high-quality printing, it is necessary to appropriately bring the heat generating unit of the thermal head into close contact with the printing paper.

The existing printer of the type is usually only suitable for printing paper with a specific specification thickness, and when the printing paper with the specific specification thickness is printed, the position of the thermal printing head can be changed relative to the position of the paper pressing roller under the influence of the thickness and the toughness of the printing paper, so that the printing paper can not be properly attached to the proper position of the heating unit, the printing quality can be influenced, and the service life of the thermal printing head can be influenced due to excessive heating.

To above-mentioned problem, the utility model discloses a "printer with exit slot self-adaptation elastic locating structure" is disclosed to the utility model discloses a grant notice No. CN205220069U, including lower casing, go up the casing, the dancer roll, head assembly and beat printer head adjusting device, go up the casing and rotationally install under on the casing, the dancer roll is rotatably installed under on the casing, head assembly is including installing the printer head bracket component on last casing, beat printer head support through spring and printer head bracket component swing joint to and set firmly the thermal printing head that has the unit of generating heat on beating printer head support, beat printer head adjusting device and include casing pivoted regulating part down relatively, the periphery of regulating part is equipped with the tooth portion that the length varies apart from regulating part rotation center, beat and be equipped with the draw-in groove with tooth portion matched with on the printer head. It has the following disadvantages:

the shaking of the thermal printing head which is fixedly arranged on the printing head bracket during printing easily causes the fracture of a fixed point, thereby causing the problems of abnormal sound, unstable printing and the like during printing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a beat printer of printer head self-adaptation regulation aims at the fracture that the printer head swing that beats of improving caused the fixed point to lead to printing to have the abnormal sound and print unstable problem.

The utility model adopts the following scheme:

the utility model provides an improved generation printer, includes the frame and beats printer head, it is equipped with the support arm to beat printer head, support arm movably install in on the frame, still include the fixed plate, the fixed plate be fixed in on the frame and with beat printer head relative disposition, beat printer head with be equipped with the elastic component between the fixed plate.

As a further improvement, two sides of the frame are provided with cantilevers, and the fixing plate and the printing head are arranged on the cantilevers.

As a further improvement, the cantilever is provided with a mounting groove, and the supporting arm is arranged in the mounting groove.

As a further improvement, elastic member mounting portions are provided in pairs on the front end portion of the fixing plate and the front end portion of the print head, respectively, and the elastic members are mounted on the elastic member mounting portions.

As a further improvement, the elastic piece mounting parts arranged in pairs at least comprise two elastic piece mounting parts which are symmetrically arranged.

As a further improvement, a hollow area is arranged on the frame, the fixed plate is arranged on the hollow area, and the printing head is movably arranged on the hollow area and is opposite to the fixed plate.

As a further improvement, the fixing plate is made of metal materials and is integrally formed.

By adopting the technical scheme, the utility model discloses can gain following technological effect:

1. the utility model discloses a let beat printer head install in the mounting groove of frame, beat the side middle part of printer head and pass through the regulating part installation cooperation on regulating arm and the frame to guaranteed the stability of printing the process, reliable.

2. The utility model discloses a beat printer head and pass through in the mounting groove of support arm installation on the frame, be equipped with the elastic component that fixed plate and butt beat printer head and fixed plate above beating printer head, beat printer head side and be equipped with the regulating part cooperation on regulating arm and the frame, have certain regulation space, be equipped with on the frame with regulation space matched with limit structure, beat printer head and need not fixing device, make and beat printer head about printing the in-process, self-adaptation swing around, make and beat printer head and hug closely beat printing paper.

3. The bottom surface of the adjusting groove is provided with a middle bulge and extends towards two sides in an inclined mode so that the printing head can swing left and right in the printing process to adjust, and the problem that the left thickness and the right thickness of printing paper are different is solved.

4. The fixed plate is metal material integrated into one piece, has solved cantilever fracture or the not enough and make about the problem that the printing effect differs of plastics material intensity.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is an exploded schematic view of the present invention;

fig. 2 is a schematic view of a first perspective structure of the present invention;

fig. 3 is an enlarged schematic view of a in fig. 2 according to the present invention;

fig. 4 is a schematic view of a second perspective structure of the present invention;

fig. 5 is a schematic diagram of structure D of fig. 4 according to the present invention;

FIG. 6 is a schematic cross-sectional view of the present invention taken at C-C of FIG. 4;

FIG. 7 is a schematic cross-sectional view B-B of FIG. 4 in accordance with the present invention;

fig. 8 is an exploded schematic view of a second embodiment of the present invention;

fig. 9 is an exploded schematic view of a third embodiment of the present invention;

icon: 1. a frame; 2. a print head; 3. a fixing plate; 4. an elastic member; 5. a rubber roller; 6. a support arm; 7. a limiting block; 11. mounting grooves; 12. an adjustment section; 13. a cantilever; 14. a hollow-out area; 21. An adjusting arm; 41. a spring mounting portion; 61. a first support arm; 62. a second support arm; 63 a third support arm; 64. a fourth support arm; 111 a first mounting groove; 112. a second mounting groove; 113. a third mounting groove; 114. a fourth mounting groove; 120. an adjustment groove; 121. a bottom surface; 122. a rear wall; 411. a spring mounting block; 412. a spring mounting groove; a2, second angle.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

First embodiment

In conjunction with fig. 1 to 7, the present embodiment provides an improved printer including a frame 1, a print head 2, and a fixing plate 3. The fixing plate 3 is fixed on the frame 1, a mounting groove 11 and a rubber roller 5 are arranged on the frame 1, a supporting arm 6 is arranged on the printing head 2, the supporting arm 6 is mounted in the mounting groove 11, and the rubber roller 5 and the printing head 2 are correspondingly configured. An elastic part 4 is arranged between the fixing plate 3 and the printing head 2, so that printing paper can be clamped between the printing head 2 and the rubber roller 5 to be transmitted forwards, and the gap between the printing head 2 and the rubber roller 5 can be adjusted in a self-adaptive mode according to the thickness of the printing paper through the elastic action of the elastic part 4. In order to position and mount the elastic member 4, the front end of the fixing plate 3 and the front end of the print head 2 are provided with elastic member mounting portions 41 in corresponding pairs, including a spring mounting block 411 for mounting the elastic member 4 on the print head 2 and a spring mounting groove 412 on the fixing plate 3, the spring mounting groove 412 corresponding to the spring mounting block 411 for better positioning of the elastic member 4. In order to ensure the uniform force application of the elastic member 4, a plurality of spring mounting blocks 411 and spring mounting grooves 412 are provided, and are distributed at intervals in the width direction of the print head 2, and the elastic member 4 can be mounted in all or part of the spring mounting blocks 411 and spring mounting grooves 412 according to actual use conditions. In this embodiment, the number of the spring mounting blocks 411 and the spring mounting grooves 412 is 4, so that the number of the elastic members 4 can be selected from 1 to 4, and of course, in order to make the printing smooth, 2 or 4 are preferably symmetrically arranged.

Referring to fig. 2 and 3, an adjusting arm 21 is disposed at a side of the print head 2, an adjusting portion 12 matched with the adjusting arm 21 is disposed on the frame 1, and the adjusting portion 12 is mounted on the adjusting portion 12 to support position adjustment of the print head 2 during printing, thereby ensuring stability and reliability of printing. Specifically, the adjusting portion 12 is provided with a half-i-shaped adjusting groove 120 for mounting the adjusting arm 21, the adjusting groove 120 includes a bottom surface 121 and a rear wall 122, the adjusting arm 21 is mounted behind the adjusting groove 120, and an adjusting space is reserved between the front end of the adjusting arm 21 and the rear wall 122, so that the print head 2 can be adjusted back and forth. The rear wall 122 only limits the distance of the backward adjustment of the printing head 2 and moves the printing head 2 forward to be separated from the adjustment part 12, so that a limit structure is provided on the frame 1 to be engaged with the adjustment space for limiting the distance exceeding the preset distance when the printing head 2 moves forward and backward.

Referring to fig. 2 and 4, the limiting structure may be composed of two inner side walls of the mounting groove 11 on the frame 1 and a supporting arm 6 of the print head 2, the width of the supporting arm 6 is smaller than the distance between the two side walls of the mounting groove 11, so that the supporting arm 6 can move back and forth in the mounting groove 11, and the difference between the distance between the two side walls of the mounting groove 11 and the width of the supporting arm 6 is the front-back distance that the print head 2 can be adaptively adjusted. Preferably, when the support arm 6 abuts against the rear side wall of the mounting groove 11, the rear end portion of the adjustment arm 21 also abuts against the rear wall 122 of the adjustment section 12, so that the overall size can be minimized. The limiting structure can also be composed of two supporting arms 6 on the printing head 2 and a limiting block 7 arranged on the frame 1, the limiting block 7 is positioned in the middle of the two supporting arms 6, the back-and-forth movement distance of the printing head 2 is limited by the two supporting arms 6 and the limiting block 7, and the preset distance when the printing head 2 is adjusted backwards is the front supporting arm 6 and the limiting block 7 or the preset distance when the printing head 2 is adjusted forwards is the back supporting arm 6 and the limiting block 7. Similarly, the front-rear distance of the print head 2 that can be adjusted adaptively is the difference between the distance between the two support arms 6 and the width of the stopper 7, and preferably, when the front support arm 6 abuts against the stopper 7, the rear end portion of the adjustment arm 21 also abuts against the rear wall 122 of the adjustment portion 12, so that the overall size can be minimized.

Referring to fig. 1 and 6, the supporting arm 6 includes a first supporting arm 61 and a second supporting arm 62, the first supporting arm 61 and the second supporting arm 62 are respectively located at the left and right sides of the print head 2, and correspondingly, the frame 1 is provided with a first mounting groove 111 and a second mounting groove 112, so that the first supporting arm 61 is matched with the first mounting groove 111, the second supporting arm 62 is matched with the second mounting groove 112, the first supporting arm 61 and the first mounting groove 111 are assembled to form a first included angle, the second supporting arm 62 and the second mounting groove 112 are assembled to form a second included angle a2, the first included angle may be the same as or different from the second included angle a2, obviously, when the front end of the print head 2 is printed, the front end of the print head 2 will abut against the rubber roller 5, so that the print head 2 will be pressed downward, and the rear end will swing upward, so that the print head 2 tilts forward, if the first supporting arm 61 is matched with the first mounting groove 111 in parallel or the second supporting arm 62 is matched with the, the up-and-down swing during printing can interfere, so that the printing head 2 can be shifted backwards under the action of the first mounting groove 111 and cannot be freely adjusted, and the printing effect is poor.

Further, the support arm 6 further includes a third support arm 63 and a fourth support arm 64, and correspondingly, the frame 1 is provided with a third mounting groove 113 and a fourth mounting groove 114, and similarly, the third support arm 63 and the fourth support arm 64 are respectively located at the left and right sides of the print head 2 and are disposed at the front ends of the first support arm 61 and the second support arm 62, and the third support arm 63 and the fourth support arm 64 are mounted in the third mounting groove 113 and the fourth mounting groove 114 in a suspension manner, so that the print head 2 has a space for up-and-down automatic adjustment during printing, and during printing, the third support arm 63 and the fourth support arm 64 are correspondingly mounted in the third mounting groove 113 and the fourth mounting groove 114 in a suspension manner, and preferably, the bottom surfaces of the third mounting groove 113 and the fourth mounting groove 114 are set as forward-inclined support surfaces to adapt to the angle of the print head 2 during printing.

Further, the printing head 2 is under the effect of elastic component 4, the printing head 2 can lean forward in printing, in order to cooperate the printing of printing head 2, prevent the interference between adjusting arm 21 and regulating part 12 in the printing process, set the bottom surface 121 of adjusting groove 120 into the inclined plane, adjusting arm 21 supports on the inclined plane, in the printing process adjusting arm 21 swings back and forth along the inclined plane, the angle of inclination is greater than the printing angle of printing head 2, be favorable to dodging when swinging, make the up and down swing of printing head 2 in the printing process more smooth.

In order to adjust the printing head 2 in a self-adaptive manner, the printing head 2 is not fixed to other devices, that is, an accommodating space of the printing head 2 is needed, the printing head 2 is movably installed in the accommodating space, the fixing plate 3 is arranged above the printing head 2 and forms the accommodating space of the printing head 2 with the frame 1, the top of the printing head 2 limited by the fixing plate 3, the adjusting part 12 and the limiting structure on the frame 1 and the frame 1 limit the movement of the printing head 2 in other directions, and meanwhile, an adjusting space is reserved for the printing head 2, so that the printing head 2 can swing up and down and back and forth.

Referring to fig. 4 and 5, in the present embodiment, the adjusting portion 12 is provided with a half-i-shaped adjusting slot 120 for installing the adjusting arm 21, the adjusting slot 120 includes a bottom surface 121 and a rear wall 122, the bottom surface 121 is convex in the middle and extends obliquely to two sides to enable the printing head 2 to swing left and right during the printing process, so that the printing paper can be kept in proper close contact with the printing head 2 regardless of the thickness difference of the printing paper, and the printing quality is improved.

Second embodiment

In this embodiment, frame 1 both sides are equipped with cantilever 13, are equipped with mounting groove 11 on cantilever 13, and fixed 3 boards and printer head 2 set up on cantilever 13, and printer head 2's support arm 6 is located on mounting groove 11, and fixed plate 3 is metal integrated into one piece's material, can solve the impact of material such as plastics often receive the many times reaction force when printer head prints, and the cantilever 13 fracture or the intensity that causes the plastics material is not enough and make about print the problem that the effect differs. The rest is the same as the first embodiment, and is not described again.

Third embodiment

Referring to fig. 9, in the embodiment, a hollow area 14 is disposed at a front end of the frame 1, the fixing plate 3 is disposed on the hollow area 14, and the print head 2 is movably disposed on the hollow area 14 and configured opposite to the fixing plate 3. The rest is the same as the first embodiment, and is not described again.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection.

Claims (7)

1. The utility model provides an improved generation printer, includes frame (1) and beats printer head (2), it is equipped with support arm (6) on printer head (2), support arm (6) movably install in on frame (1), its characterized in that still includes fixed plate (3), fixed plate (3) are fixed in on frame (1) and with beat printer head (2) relative configuration, beat printer head (2) with be equipped with elastic component (4) between fixed plate (3).

2. An improved printer according to claim 1, characterised in that the frame (1) is provided with cantilevers (13) on both sides, the fixing plate (3) and the printing head (2) being provided on the cantilevers (13).

3. An improved printer according to claim 2, characterised in that the cantilever arm (13) is provided with a mounting slot (11), the support arm (6) being provided in the mounting slot (11).

4. An improved printer in accordance with claim 1, wherein elastic member mounting portions (41) are provided in respective pairs at a front end portion of said fixing plate (3) and a front end portion of said printing head (2), said elastic members (4) being mounted to said elastic member mounting portions (41).

5. An improved printer according to claim 4, wherein said paired elastic member mounts (41) comprise at least two and said two are symmetrically arranged.

6. An improved printer according to claim 1, characterized in that said frame (1) is provided with a hollow (14), said fixing plate (3) is disposed on said hollow (14), said printing head (2) is movably disposed on said hollow (14) and is disposed opposite to said fixing plate (3).

7. An improved printer according to any one of claims 1 to 6, characterised in that the fixing plate (3) is integrally formed of a metallic material.

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