CN204382827U - Be easy to the printer safeguarded - Google Patents

Abstract

The utility model relates to an easy-to-maintain printer. The brackets with connection seats at the upper and lower ends are installed on the base plate, the paper release shaft is installed on the base plate, and the paper release wheel can be detachably installed on the paper release shaft; the printing mechanism The upper and lower ends of the print head support plate have support plates, the screws pass through the print head support plate and the anti-loose gasket and are screwed on the print head, the front of the main support plate of the tearing mechanism has folded edges, and the upper and lower ends have connection plates, And the main support plate has a through hole corresponding to the screw on the print head support plate, the support plate of the print head support plate and the connecting plate of the main support plate are hinged with the connecting seat of the bracket, and the paper tearing blade is arranged on the folded edge of the main support plate It is connected with the printing head support plate and on the flange of the main support plate through fasteners; the paper stripper is disassembled and installed on the bottom plate and upper cover on the side of the pressure roller, and the upper cover is installed on the support through fasteners column. The utility model has the advantages of simple and reasonable structure, convenient maintenance and good usability.

Description

easy-to-maintain printer

technical field

The utility model relates to an easy-to-maintain printer, which belongs to the technical field of electronic weighing instruments.

Background technique

The electronic scale usually consists of a base, a load cell installed between the base and the upper bracket, a printed circuit board, and a display. , the weight of the object deforms the load cell through the weighing pan, transforms the weight value into a measurable signal through the change of the resistance of the Wheatstone bridge, and obtains the weighing result through data processing. By selecting the price and commodity on the operation panel Name button, the measurement result is displayed on the display, and the product name, weight and price are printed out through the printer, which is very convenient to use.

At present, the printing mechanism on the electronic scale mainly includes a paper-loading mechanism and a printing mechanism, etc., the paper-loading mechanism and the printing mechanism are installed on the printer support, the printing head on the printing mechanism is installed on the main support plate of the printer head, and the paper tearing blade is connected to the printer. The main supporting plate of the head is an integrated structure. On the one hand, the screws used to fasten the printing head are very easy to lose when replacing the printer. On the other hand, the tearing blade and the main supporting plate of the printing head are integrated, so the tearing blade cannot be replaced quickly , and when the paper stripper installed on the printer is replaced, some printer components need to be removed to replace it, which also causes very complicated maintenance, which not only increases the maintenance cost, but also prolongs the maintenance time. Furthermore, the paper feeding mechanism of the existing printer is a fixed structure, which cannot be well compatible with receipt paper rolls and label paper rolls. However, with the development of the times, people have higher and higher requirements on the ease of use of products in real life, and many aspects of existing printers can no longer meet the needs of reality or future.

Contents of the invention

The purpose of the utility model is to provide a printer with simple and reasonable structure, easy maintenance, good usability and easy maintenance.

The technical scheme of the utility model to achieve the above object is: an easy-to-maintain printer, including a printing support, a printing mechanism and a paper tearing mechanism, characterized in that: the brackets with connecting seats at the upper and lower ends are installed on the bottom plate, and the paper is placed The shaft is installed on the bottom plate, and the paper feeding wheel can be detachably installed on the paper feeding shaft; the printing mechanism includes a printing head supporting plate and a printing head, and the upper and lower ends of the printing head supporting plate have supporting plates, and the screws pass through the printing head supporting plate The plate and the anti-off gasket are screwed on the print head, and the anti-off gasket is connected to the groove of the screw; the tear-off mechanism includes a main support plate and a tear-off blade. There are connecting plates at both ends, and the main supporting plate has through holes corresponding to the screws on the printing head supporting plate, the supporting plate of the printing head supporting plate and the connecting plate of the main supporting plate are hinged with the connecting seat of the bracket, and the paper tearing blade is arranged on The folded edge of the main support plate and the print head support plate are connected to the folded edge of the main support plate by fasteners; the paper stripper is disassembled and installed on the bottom plate and the upper cover plate on the side of the pressure roller, and the upper cover plate passes through Fasteners are mounted on the support columns.

In the utility model, the print head is installed on the print head support plate, and the screws used for fastening are connected to the print head through the print head support plate and the anti-off gasket, and the screws are connected with the anti-off gasket to form an anti-off Screws are used to fasten the print head, which solves the problem of screw loss and achieves the purpose of quickly replacing the print head. In the utility model, the lower part of the paper stripper is inserted on the bottom plate, and the upper part is installed on the upper part of the upper cover plate through the top plate, without dismantling other parts of the printer, and the paper stripper can be replaced conveniently and quickly. The utility model installs the paper tearing blade of the printer on the main support plate through fasteners, so the paper spreading blade is designed as a movable independent unit, which can be quickly switched according to different printing papers, so as to adapt to different papers and achieve effective paper tearing the goal of. The utility model can disassemble and install the paper-releasing wheel on the paper-releasing shaft, and can select the paper-releasing shaft or the paper-releasing wheel according to the receipt paper or the label paper roll, so that the paper rolls with different inner diameters can be satisfied. The utility model arranges the paper release shaft or the paper release wheel on the base to realize the open loading and unloading of paper. The paper loading or unloading is in an unobstructed way, and it can be taken and placed directly without winding and avoiding. The operation is convenient and easy to use.

Description of drawings

Embodiments of the present utility model are described in further detail below in conjunction with the accompanying drawings.

Fig. 1 is a structural schematic diagram of the utility model easy-to-maintain printer.

Fig. 2 is a structural schematic diagram of the printing mechanism of the present invention installed on the bracket.

Fig. 3 is a schematic structural view of the printing mechanism of the present invention.

Fig. 4 is a structural schematic view of the utility model when the paper stripper is removed.

Fig. 5 is a schematic diagram of the structure of the easy-to-maintain printer of the utility model for placing a large inner diameter label paper roll.

Among them: 1—Print support, 1-1—Paper placement wheel groove, 1-2—Bottom plate, 2—Bracket, 2-1—Connecting seat, 3—Locking rod, 4—Main support plate, 4-1— Through hole, 5—print head support plate, 5-1—support plate, 6—print head, 7—tear paper blade, 8—fastener, 9—paper stripper, 9-1—top plate, 10—pressure roller , 11—fastener, 12—upper cover, 13—paper release shaft, 14—paper release wheel, 14-1—elastic card seat, 15—connecting shaft, 16—screw, 17—anti-loosening gasket, 18 - support column, 19 - label paper roll.

Detailed ways

As shown in Figures 1 to 5, the easy-to-maintain printer of the present invention includes a printing support 1, a printing mechanism and a paper tearing mechanism. See shown in Fig. 1, 4, 5, the support 2 that has connecting seat 2-1 at the upper and lower ends of the utility model is installed on the bottom plate 1-2 and is positioned at the near end of paper groove, and support 2 is used for installing locking bar 3 and The printing mechanism and the paper-tearing mechanism make the printing head 6 in the working position or the working position of installing printing paper by turning the locking lever 3, and lock the printing head 6. See shown in Figures 1, 4, and 5, the opposite side of the printing mechanism of the present invention is equipped with a pressure roller 10, and the upper cover plate 12 is installed on the support column 18 by a fastener 11, and the pressure roller 10 is installed on the base plate 1-2. See shown in Fig. 1, 4, 5, the utility model paper-putting shaft 13 is installed on the base plate 1-2, and the paper-putting wheel 14 can be detachably installed on the paper-putting shaft 13, and the top of the utility model's paper-putting wheel 14 Be provided with two opposite elastic card holders 14-1, each elastic card holder 14-1 is provided with an arc-shaped boss on the inner side, and the arc-shaped boss matches the groove on the top of the paper release shaft 13, which is convenient for the paper release wheel 14 Clamped on the paper release shaft 13, or removed from the paper release shaft 13, the utility model is provided with a paper release wheel groove 1-1 with a surrounding edge on the side of the support 2 where the printing support 1 is located. When receiving paper rolls, place the paper release wheel 14 in the paper release wheel slot 1-1 on the printing support 1, and place the receipt paper roll directly on the paper release shaft 13; when the label paper roll 19 needs to be installed, place The paper delivery wheel 14 is clamped on the paper delivery shaft 13, and the label paper roll 19 is placed on the paper delivery wheel 14, so that the paper delivery wheel 14 can be taken and buckled, and the paper rolls that meet different inner diameters can be loaded or taken out. No hindrance, straight take and put, no need to wrap and avoid, easy to operate and use.

As shown in Figures 1 to 5, the printing mechanism of the present invention includes a print head support plate 5 and a print head 6. The upper and lower ends of the print head support plate 5 have support plates 5-1, and the screws 16 pass through the print head support plate 5 and the print head support plate 5. The anti-off pad 17 is screwed on the print head 6, and the anti-off pad 17 is connected to the groove of the screw 16, and the anti-off pad 17 is provided with more than two protrusions, and the anti-off pad 17 is The protruding block is arranged at the groove of the screw 16, so that the anti-off gasket 17 and the screw 16 form an anti-off screw, as shown in Figures 2 and 3, the utility model passes the screw 16 through the hole on the print head support plate 5 Connect with the anti-loosening gasket 17, screw the screw 16 on the print head support plate 5 and fix it, and connect the print head 6 on the print head support plate 5. When the print head 6 is to be replaced, pass through the through hole 4-1 on the main support plate 4 with a tool, reversely screw the screw 16, the screw 16 withdraws from the mounting hole on the print head 6, but the screw 16 is still attached to the anti-off The gasket 17 is connected without being lost from the print head support plate 5, which solves the problem that the screw 16 is lost when the print head 6 is replaced, and the replacement of the print head 6 is quick and easy.

As shown in Figures 1 to 5, the paper tearing mechanism of the present invention includes a main support plate 4 and a paper tearing blade 7. Between the flanging of the supporting plate 4 and the printing head supporting plate 5 and by fastening connection on the flanging of the main supporting plate 4, the paper tearing blade 7 of the utility model is an L-shaped blade or a sheet-shaped blade with a flanging, Tear-off blades of different structures can be selected according to needs, and are connected to the main support plate 4 through fasteners 8, so that they can be quickly switched according to different printing papers, so as to adapt to different papers and achieve the purpose of effectively tearing paper. The main support plate 4 of the utility model has a through hole 4-1 corresponding to the screw 16 on the print head support plate 5. When the locking lever 3 is moved to make the print head 6 install printing paper, the screw 16 can be removed to quickly Replace print head 6.

As shown in Figure 2, the support plate 5-1 of the print head support plate 5 of the utility model and the connecting plate of the main support plate 4 are hinged with the connection seat 2-1 of the bracket 2, and the support plate 5 of the print head support plate 5 can be hinged. -1 and the connecting plate of the main support plate 4 are installed on the connecting shaft 15, and the connecting seat 2-1 of the connecting shaft 15 is rotatably connected with the support 2, so that the printing mechanism and the tearing paper mechanism are rotated along the connecting shaft 15 central axis.

See shown in Figures 1, 4 and 5, the paper stripper 9 of the present utility model is disassembled and installed on the bottom plate 1-2 and the upper cover plate 12 on the side of the pressure roller 10, and the upper cover plate 12 is installed on the support by the fastener 11. On the column 18, the bottom plate 1-2 is provided with two positioning jacks on one side of the pressure roller 10, and the two pins at the bottom of the stripper 9 are inserted into the corresponding positioning jacks, and the top plate 9-2 of the stripper 9 1 is placed on the upper cover 12, and the fastener 11 installs the top plate 9-1 and the upper cover 12 of the stripper 9 on the support column 18. When the utility model needs to install the paper stripper 9, the pins at the bottom of the paper stripper 9 are inserted into the corresponding positioning jacks of the base plate 1-2 by loosening the fastener 11 connected to the support column 18, and the stripper The top plate 9-1 of the device 9 is placed on the upper cover plate 12, and the top plate 9-1 and the upper cover plate 12 of the paper stripper 9 are installed on the support column 18 by the fastener 11. Conversely, when the paper stripper 9 is to be pulled down, unclamp the fastener 11 installed on the support column 18, remove the paper stripper 9, and then install the fastener 11 on the upper cover plate 12, then the paper stripper 9 cancellations, the whole operation is quick and convenient.

Claims (5)

1. one kind is easy to the printer of maintenance, comprise and print bearing (1), printing mechanism and paper-tear picture mechanism, it is characterized in that: the support (2) that upper and lower two ends have Connection Block (2-1) is arranged on base plate (1-2), paper feeding shaft (13) is arranged on base plate (1-2), and putting paper wheel (14) can be arranged on paper feeding shaft (13) by detachable, described printing mechanism comprises printhead support plate (5) and printhead (6), the two ends up and down of printhead support plate (5) have support plate (5-1), screw (16) is screwed on printhead (6) through printhead support plate (5) and anti-dropping gasket (17), and anti-dropping gasket (17) is connected to the groove of screw (16), described paper-tear picture mechanism comprises main support plate (4) and paper-tear picture blade (7), main support plate (4) front portion has flanging, upper and lower two ends have connecting plate, and main support plate (4) has the through hole (4-1) corresponding with the screw (16) on printhead support plate (5), the Connection Block (2-1) of the support plate (5-1) of printhead support plate (5) and the connecting plate of main support plate (4) and support (2) is hinged, paper-tear picture blade (7) is arranged between the flanging of main support plate (4) and printhead support plate (5) and is also connected on the flanging of main support plate (4) by securing member (8), stripping paper device (9) removes and installs on the base plate (1-2) and upper cover plate (12) of pinch roller (10) side, and upper cover plate (12) is arranged on support column (18) by securing member (11).

2. the printer being easy to safeguard according to claim 1, it is characterized in that: described base plate (1-2) is provided with two positioning jacks being positioned at pinch roller (10) side, two pins of stripping paper device (9) bottom are inserted in each self-corresponding positioning jack, the top board (9-1) of stripping paper device (9) is placed on upper cover plate (12), and the top board (9-1) and upper cover plate (12) of shelling paper device (9) are arranged on support column (18) by securing member (11).

3. the printer being easy to safeguard according to claim 1, it is characterized in that: the described top of putting paper wheel (14) is provided with two relative elastic clamp seats (14-1), the inner side of each elastic clamp seat (14-1) is provided with arc boss, the recess on arc boss and paper feeding shaft (13) top.

4. the printer being easy to safeguard according to claim 1, is characterized in that: described paper-tear picture blade (7) is for having the L-shaped blade of flanging or sheet shape blade.

5. the printer being easy to safeguard according to claim 1, is characterized in that: described printing bearing (1) is positioned at support (2) side and is provided with and puts paper race (1-1) with surrounding edge.