CN211892529U - Printing module and printer of adjustable printer head position of beating - Google Patents

Abstract

The utility model relates to an adjustable print module who beats printer head position contains print head subassembly and fixed baseplate, still includes the locking structure that fixes or loosen the relative fixed baseplate of print head subassembly, is equipped with the installation cavity on the fixed baseplate, is equipped with the guide rail on the wall of installation cavity, beats printer head subassembly part adorn in the installation cavity and adorn be equipped with on the printer head subassembly in the installation cavity with guide rail complex sliding part. The utility model discloses can increase the steady of beating printer head, quick adjustment beats printer head position. The utility model also provides a printer.

Description

Printing module and printer of adjustable printer head position of beating

Technical Field

The utility model belongs to the technical field of the printing device technique and specifically relates to an adjustable print module and printer of beating printer head position.

Background

Generally, when a printer prints, friction between a printing head and a printing sheet can cause the printing head to generate tiny rotational offset, long-time printing can cause accumulated offset to be larger and larger, so that printing quality is reduced, if the printing head of the printer deviates too much, a local printing area is overheated, a large-area black tape is printed, and a machine core can be burned out in serious conditions, so that research on a printing module capable of adjusting the position of the printing head is very necessary.

Therefore, the invention patent of patent publication No. CN106864046A discloses an adjustable thermal printer base, which comprises a rotating shaft, a positioning hole and a bottom plate; the rotary tangent plane of the rotating shaft abuts against a positioning plate, the positioning plate is fixedly connected with a connecting plate through a bolt, the connecting plate is fixed on a bottom plate, a group of positioning holes are formed in the bottom plate, two groups of fixing grooves are further formed in the bottom plate, one end of a spring is fixedly connected inside each fixing groove, and the other end of the spring is in contact with the printer head.

It has the following disadvantages:

adjust the clearance of beating between printer head and the printing sheet through two springs, the temperature is higher when printing, and the elastic deformation atress that arouses the spring easily is uneven, causes the slope of beating printer head, influences the printing quality, when taking place the skew, can't fix a position original position fast moreover, still need through slowly debugging, waste time.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a print module and printer of adjustable printer head position to how to guarantee to solve among the above-mentioned problem and beat printer head and be difficult to take place to incline and beat how quick adjustment when printer head takes place the skew at the printing in-process.

In order to solve the technical problem, the utility model mainly provides a print module of adjustable printer head position contains printhead assembly and fixed baseplate, still includes the locking structure who fixes or loosen the relative fixed baseplate of printhead assembly, is equipped with the installation cavity on the fixed baseplate, is equipped with the guide rail on the wall of installation cavity, beats printer head assembly part adorn in the installation cavity and adorn and be equipped with on the printer head assembly of installation cavity with guide rail complex sliding part.

Further, the printing head assembly comprises a printing head device and a connecting piece, and the sliding part is arranged on the connecting piece.

Furthermore, the connecting piece is provided with a mounting hole, the printing head device is provided with a mounting shaft matched with the mounting hole, and the axis of the mounting hole is orthogonal to the length direction of the heating head of the printing head.

Further, the device comprises an adjusting device which drives the printing head assembly to move along the guide rail

Furthermore, the adjusting device comprises an adjusting shaft and a clamping groove which are arranged on the fixed base; and a rotating shaft matched with the clamping groove is arranged on the printing head assembly.

Furthermore, scale values distributed along the guide rail are arranged on the outer wall of the mounting cavity.

Furthermore, a reinforcing groove is formed in the top of the fixing base, and a metal strip matched with the reinforcing groove is arranged in the reinforcing groove.

Further, the locking structure is a bolt and a nut arranged on the printing head assembly.

Further, the guide rail is an arc-shaped guide rail.

The utility model provides a printer, including the main part with locate in the main part like foretell adjustable print head position's print module.

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

1. through the locking structure, the printing head assembly is not easy to incline and slide in the printing process.

2. The installation adjusting device can be conveniently adjusted, the whole printing module does not need to be disassembled to be adjusted, and the installation adjusting device is convenient and fast.

3. Be equipped with scale value on the guide rail, can the clear initial position of recording, beat the easy quick adjustment of printer head assembly production skew to initial position in long-time use.

4. The fixing base is additionally provided with the corresponding metal strips, so that the strength of the fixing base can be increased, and the fixing base is more firmly connected and not easy to damage.

Drawings

Fig. 1 is a schematic structural diagram of the middle printing module of the present invention.

Fig. 2 is an exploded view of the printing module of the present invention.

Fig. 3 is an exploded view of the fixing base of the printing module of the present invention.

Fig. 4 is an exploded view of the mounting of a printhead assembly of a print module according to the present invention.

FIG. 5 and FIG. 6 are schematic diagrams of the middle print module adjusting different angles according to the present invention

Fig. 7 is an exploded view of the adjusting device of the printing module according to the present invention.

Fig. 8 is a schematic structural diagram of the printer of the present invention.

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 all 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.

Referring to fig. 1 to 3, the present invention provides a print module capable of adjusting the position of a print head, including a print head assembly 1 and a fixed base 2, the fixed base 2 is provided with an installation cavity 21, the print head assembly 1 is partially installed in the installation cavity 21, the wall of the installation cavity 21 is provided with a guide rail 22, the print head assembly 1 is provided with a sliding part 11 cooperating with the guide rail 22, so that the print head assembly 1 is fixed on the fixed base 2 and can move along the guide rail 11, thereby adjusting the angle between the print head assembly 1 and a printing sheet, achieving the best printing effect, in order to prevent the print head assembly 1 from shifting during printing, the friction force between the sliding part 11 and the guide rail 22 can be increased, so that the print head assembly 1 is unlikely to shift easily during printing, causing poor printing effect, preferably, a locking structure 3 is provided, the print head assembly 1 can be fixed or loosened with respect to the fixed base 2, when the position of the printing head assembly 1 needs to be adjusted, the locking mechanism 3 is loosened, the sliding part 11 on the printing head assembly 1 moves along the guide rail 22 until the optimal position is found, and then the locking mechanism 3 is fastened, so that the printing head assembly 1 is fixed relative to the fixed base 2, and the offset of the printing head assembly in the printing process can be effectively prevented. The preferable locking structure 3 is a bolt 31 and a nut 32 arranged on the print head assembly, a fixing hole 27 communicated with the nut 32 on the print head assembly 1 is formed in the wall of the mounting cavity 21, the size of the fixing hole 27 ensures that the nut 32 can be completely communicated with the outside when the print head assembly 1 moves in the guide rail 11, and the bolt 31 is rotated to abut against the fixed base 2, so that the force required by the direct rotation of the print head assembly 1 and the fixed base 2 is greatly greater than the force easily driving the print head to shift in the printing process.

Specifically, as shown in fig. 4, the printhead assembly 1 includes a printhead device 12 and a connecting member 13, the connecting member 13 is provided with a mounting hole 131, the printhead device 12 is provided with a mounting shaft 121 matched with the mounting hole 131, the mounting shaft 121 is internally provided with threads for connecting a bolt 17, so that the printhead device 12 and the connecting member 13 are connected together, the other side of the connecting member 13 is provided with a bushing 14, one end of the bushing is sleeved on the mounting shaft 121 and extends to the printhead device 12 side, a shoulder on the other end of the bushing abuts against the connecting member 13, the bolt 17 is further provided with a spacer 16, a locking spring 15 is arranged between the spacer 16 and the bushing 14, and the bolt 17 is adjusted to apply a pre-tightening force to the locking spring 15, so as to lock. The axial line of the mounting hole 131 of the connecting piece 13 is orthogonal to the length direction of the heating head 122 of the printing head, so that the heating head 122 of the printing head is parallel to the advancing direction of the printing sheet, the printing is square, the problems of inclined writing, incomplete printing and the like of the printing sheet can be avoided, and the printing quality can be increased.

It can be seen that the connecting member 13 is mounted on the fixed base 2, the sliding part 11 is disposed on the connecting member 13, and the sliding part 11 can be fixed at one end on the connecting member 13 and freely detachable at one end, or both ends can be freely detachable so as to be mounted on the guide rail 22, so that the connecting member 12 is fixed on the fixed base 2. As shown in fig. 5 and 6, the different angles formed between the print head assembly 1 and the plane of the print sheet can be obtained by the movement of the slide 11 inside the arc-shaped guide 22, which is preferably an arc-shaped guide 22, so that a continuous angle can be obtained, or an inclined linear guide can be chosen, but so that the angle jumps, the smaller the inclination, the better the continuity. Scale values are distributed on the outer wall of the installation cavity along the arc-shaped guide rail, a pointer 111 is correspondingly arranged on the sliding part 11 and points to the scale mark 23, the scale value 23 corresponding to the pointer 111 is recorded when the printing head assembly 1 is adjusted to the optimal position, and because the printing head can generate a friction force with a printing sheet during printing, although the printing head is fastened by the locking mechanism 3, a small deviation can be generated, the printing effect cannot be immediately affected, but the deviation can be larger and larger after long-term accumulation, and the printing effect can be finally affected, so that the angle of the printing head assembly 1 can be adjusted after a period of time, at the moment, the pointer 111 points to the originally recorded scale value 23, the scale value can be easily adjusted to the optimal position, multiple times of debugging are not needed, and the adjustment time is saved.

As shown in fig. 7, further, in order to facilitate fine adjustment of the printhead assembly, an adjusting device 4 is further provided for driving the printhead assembly 1 to move along the guide rail 22, the adjusting device 4 is disposed in the mounting cavity 21 of the fixing base 2 and includes an adjusting shaft 41 and a slot 42, the adjusting shaft 41 is a shaft surface 411 having a "one" adjusting portion 412 at one end and being trimmed, such that when the adjusting shaft 41 rotates, the shaft surface 411 of the trim is located at different angles to perform an adjusting function, an adjusting hole 26 is further formed in the wall of the mounting cavity 21 for mounting the adjusting shaft 41 to extend out of the fixing base 2, the slot 42 is provided at an upper portion thereof with a hole 421 corresponding to the trim shaft and at a lower portion thereof with a claw 422, a fixing nut 423 for connecting a fixing bolt 43 and fastening the adjusting shaft 41 may be provided on the wall of the slot 42, or the adjusting shaft 41 may be provided in a pin shape, the adjusting shaft 41 and the locking groove 42 are tightly connected together, the print head assembly 1 is provided with a rotating shaft 132 matched with the locking groove 42, the rotating shaft 132 is arranged in the clamping jaw 422, when the adjusting shaft 41 is rotated, the locking groove 42 also rotates along the axis of the adjusting shaft 41, so that the position of the clamping jaw 422 correspondingly rotates, the rotating shaft 132 is driven to rotate, the sliding part 11 in the connecting piece 13 moves in the guide rail 22, and the position of the print head assembly 1 is changed.

Further, because the printing head is always in the up-and-down or left-and-right repeated movement when printing, because the intensity of the fixed base 2 is required to be high, most of printing equipment at the present stage is formed by plastic injection molding, and the intensity is low, therefore, a reinforcing groove 24 is arranged at the top of the fixed base 2, and a metal strip 25 which is matched with the reinforcing groove is arranged in the reinforcing groove 24, so that the intensity of the fixed base 2 is increased, and the fixed base 2 is connected more firmly and is not easy to damage.

Furthermore, be equipped with two springs 18 on beating printer head subassembly 1, the both ends lower part of butt fixed baseplate 2 respectively makes and beats printer head subassembly 2 for fixed baseplate 2 decurrent pretightning force for printer head subassembly 1 keeps the state of relatively stable at the in-process that opens and shuts, beats printer head subassembly 1 and can target in place rapidly when the closed process of print module, and plays certain cushioning effect, avoids local contact to damage the heater wire on beating printer head.

The utility model also provides a printer, including main part 5 with locate the adjustable print module who beats the printer head position in main part 5, have a window 6 on the printer, can supply user's hand to stretch into the window in order to adjust locking structure 3 and regulating spindle 41, the user's quick adjustment of being convenient for beats printer head assembly 1 position.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides an adjustable print head position's print module, contains print head subassembly and fixed baseplate which characterized in that: the printing head component is partially arranged in the installation cavity, and a sliding part matched with the guide rail is arranged on the printing head component arranged in the installation cavity.

2. A print module for adjusting the position of a printhead as recited in claim 1, wherein: the printing head assembly comprises a printing head device and a connecting piece, and the sliding part is arranged on the connecting piece.

3. A print module for adjusting the position of a printhead as recited in claim 2, wherein: the connecting piece is provided with a mounting hole, the printing head device is provided with a mounting shaft matched with the mounting hole, and the axis of the mounting hole is orthogonal to the length direction of the heating head of the printing head.

4. A print module for adjusting the position of a printhead as recited in claim 1, wherein: an adjustment device is also included that drives the printhead assembly along the guide rail.

5. The adjustable printhead position print module of claim 4, wherein: the adjusting device comprises an adjusting shaft and a clamping groove which are arranged on the fixed base; and the printing head assembly is provided with a rotating shaft matched with the clamping groove.

6. A print module for adjusting the position of a printhead as recited in claim 1, wherein: and scale values distributed along the guide rail are arranged on the outer wall of the mounting cavity.

7. A print module for adjusting the position of a printhead as recited in claim 1, wherein: the top of the fixed base is provided with a reinforcing groove, and a metal strip matched with the reinforcing groove is arranged in the reinforcing groove.

8. A print module for adjusting the position of a printhead as recited in claim 1, wherein: the locking structure is a bolt and a nut arranged on the printing head assembly.

9. A print module for adjusting the position of a printhead as recited in claim 1, wherein: the guide rail is an arc-shaped guide rail.

10. A printer, characterized by: comprising a body and an adjustable printhead module according to any one of claims 1 to 9 provided on the body.

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