Printer head piece control mechanism

Abstract

The utility model discloses a printer head piece control mechanism, which comprises a back plate, the back plate comprises a top plate, a bottom plate and an adjusting plate group connected between the top plate and the bottom plate, and the adjusting plate group is composed of a plurality of groups of spliced connecting plates; positioning connecting foot holes are formed in the top plate and the bottom plate, a power source assembly is further connected to the outer side of the top plate, a sliding plate is slidably arranged on the connecting plate in the Z-axis direction, and the power source assembly drives the sliding plate to move; the sliding plate is further connected with a pressing plate head, the bottom end of the pressing plate head is connected with a plurality of sets of pressure heads, the outer wall of the pressing plate head is communicated with the pressure heads and provided with an inlet valve and an outlet valve, and contact sensors are connected to the highest position and the lowest position of movement of the sliding plate on the connecting plate respectively. Compared with the prior art, the printer head piece control mechanism has the advantages that pressure can be adjusted, and the printer head piece control mechanism can be conveniently installed and used according to the structure of an inner cavity of a printer.

Description

Technical Field

[0001] The utility model relates to the technical field of printers, in particular to a printer head chip control mechanism. Background Art

[0002] During the printing process of a thermal printer, pressure needs to be applied to the print head assembly so that the print head on the print head assembly is pressed tightly against the print rubber roller, thereby pressing the consumables between the print head and the rubber roller tightly against the head chip.

[0003] Conventional printers provide this pressure through a number of springs disposed between the print head support and the print head assembly.

[0004] However, when printing, different materials and thicknesses of consumables are used, so different pressures are required. The single spring pressure in the prior art is difficult to control the pressure, which is not conducive to the use of the printer head. Utility Model Content

[0005] (1) Problems to be solved

[0006] The technical problem to be solved by the present invention is to overcome the above technical defects and provide a printer head chip control mechanism that can adjust the pressure and is convenient to be installed and used according to the internal cavity structure of the printer.

[0007] (2) Technical solution

[0008] To solve the above technical problems, the present invention provides a technical solution as follows: a printer head chip control mechanism, comprising a back plate, the back plate comprising a top plate, a bottom plate, and an adjustment plate group connected between the top plate and the bottom plate, the adjustment plate group comprising a plurality of groups of connecting plates assembled together;

[0009] Positioning connection holes are provided on both the top plate and the bottom plate. A power source assembly is also connected to the outer side of the top plate. A slide is provided on the connecting plate to slide along the Z-axis direction. The power source assembly drives the slide to move.

[0010] The slide is also connected to a pressure plate head, the bottom end of the pressure plate head is connected to multiple groups of pressure heads, the outer wall of the pressure plate head is connected to the pressure head and is provided with an inlet valve and an outlet valve, and the ends of the inlet valve and the outlet valve are respectively connected to an inlet pipe and an outlet pipe;

[0011] The back plate is respectively connected with contact sensors at the highest point and the lowest point of the skateboard movement.

[0012] As an improvement, the outer walls of the adjacent connecting plates are recessed with grooves, and the grooves are provided with through holes running through the two walls. Positioning bolts are connected in the through holes, and the bottom wall of the top plate and the top wall of the bottom plate are also recessed with grooves.

[0013] As an improvement, the connecting plate is provided with a T-slot guide rail, and the inner wall of the slide plate is provided with a T-shaped block protruding outward to cooperate with the T-slot guide rail.

[0014] As an improvement, the top plate and the bottom plate are also provided with T-slot guide rails in conjunction with T-shaped blocks.

[0015] As an improvement, the T-slot guide rail is provided with a plurality of holes evenly concave along its length direction, one end of the contact sensor is connected with a screw in cooperation with the hole, and the end of the screw is threadedly sleeved with a screw ring.

[0016] As an improvement, the power source assembly includes a drive motor and a screw connected to the rotating end of the drive motor. The outer wall of the slide is equipped with a ring that cooperates with its thread on the screw, and the middle part of the pressure plate head is equipped with a U-shaped groove on the screw.

[0017] As an improvement, a cable slot is provided in the middle of the connecting plate, and a pipe slot is recessed on the slide plate to accommodate the cable slot and the inlet and outlet pipes. An exhaust valve is provided at the end of the outlet pipe, and a pressure sensor is provided in the pressure head.

[0018] (3) Beneficial effects

[0019] The advantages of the present invention compared with the prior art are: when used in the present application, the connecting plate that can be assembled and adjusted can be adjusted according to the internal chamber structure of different printers, which is convenient for installation. At the same time, a pressure head with a pressure sensor is used in conjunction with the inlet pipe and the outlet pipe in the present application, so that the internal pressure can be adjusted according to the actual application needs. The detachable contact sensor is convenient for adjustment according to the number of connecting plates, and convenient for feedback of the position information of the slide. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The present invention is a structural diagram of a printer head chip control mechanism.

[0021] Figure 2 The present invention is a partial structural diagram of a cross-sectional view of a printer head chip control mechanism.

[0022] Figure 3 The present invention is a structural diagram of the back of a printer head chip control mechanism.

[0023] As shown in the figure: 1. Top plate; 2. Bottom plate; 3. Connecting plate; 4. Positioning connecting foot hole; 5. Slide plate; 6. Pressing plate head; 7. Pressure head; 8. Inlet valve; 9. Outlet valve; 10. Inlet pipe; 11. Outlet pipe; 12. Contact sensor; 13. Groove; 14. Through hole; 15. T-slot guide rail; 16. T-shaped block; 17. Hole groove; 18. Screw; 19. Screw ring; 20. Drive motor; 21. Screw; 22. Ring; 23. U-shaped groove; 24. Cable groove. DETAILED DESCRIPTION

[0024] The specific embodiments of the present invention will be further described below with reference to the accompanying drawings, wherein the same components are represented by the same reference numerals.

[0025] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the accompanying drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0026] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated with those skilled in the art in the technical field to which the present invention pertains. The terminology used herein in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0028] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.

[0029] Please refer to the attached Figure 1-3 A printer head chip control mechanism includes a back plate, which includes a top plate 1, a bottom plate 2 and an adjustment plate group connected between the top plate 1 and the bottom plate 2. The adjustment plate group is composed of multiple groups of connecting plates 3 that are assembled together. More specifically, the outer walls of adjacent connecting plates 3 are concavely provided with a groove 13, and the groove 13 is provided with a through hole 14 that passes through its two walls. A positioning bolt is connected in the through hole 14, and the bottom wall of the top plate 1 and the top wall of the bottom plate 2 are also concavely provided with a groove 13, so that the height of the back plate during use can be adjusted by cooperating with the groove 13, the through hole 14 and the positioning bolt.

[0030] When used specifically:

[0031] Both the top plate 1 and the bottom plate 2 are provided with positioning connection pin holes 4. The outer side of the top plate 1 is also connected to a power source assembly. A slide plate 5 is provided on the connecting plate 3 to slide along the Z-axis direction. The power source assembly drives the slide plate 5 to move. At the same time, a pressure plate head 6 is also connected to the slide plate 5. The bottom end of the pressure plate head 6 is connected to multiple groups of pressure heads 7. The outer wall of the pressure plate head 6 is connected to the pressure head 7 and is provided with an inlet valve 8 and an outlet valve 9. The ends of the inlet valve 8 and the outlet valve 9 are respectively connected to an inlet pipe 10 and an outlet pipe 11. Contact sensors 12 are respectively connected to the highest and lowest points of the movement of the slide plate 5 on the back plate for sensing the position of the slide plate 5. An exhaust valve is provided at the end of the outlet pipe 11. A pressure sensor is provided in the pressure head 7. The exhaust valve and pressure sensor are not shown in the figure.

[0032] In one embodiment:

[0033] The connecting plate 3 is provided with a T-slot guide rail 15, and the inner wall of the slide plate 5 is provided with a T-shaped block 16 to match the T-slot guide rail 15.

[0034] In order to facilitate the adjustment, T-slot guide rails 15 are provided on the top plate 1 and the bottom plate 2 to cooperate with the T-shaped blocks 16.

[0035] At the same time, the power source assembly includes a drive motor 20 and a screw rod 21 connected to the rotating end of the drive motor 20. The outer wall of the skateboard 5 is matched with the screw rod 21 and is provided with a ring 22 that cooperates with its thread. The middle part of the pressure plate head 6 is matched with the screw rod 21 and is provided with a U-shaped groove 23. By starting the drive motor 20, the screw rod is used to adjust the position of the skateboard 5 when it is used.

[0036] In order to adapt to the skateboard 5, a number of holes 17 are evenly recessed in the T-slot guide rail 15 along its length. One end of the contact sensor 12 is connected to the hole 17 with a screw 18, and the end of the screw 18 is threadedly sleeved with a screw ring 19. The screw 18 is inserted into different holes 17 to cooperate with the screw ring 19 to complete the adjustment of the position of the contact sensor 12 when in use.

[0037] In order to facilitate cable arrangement, a cable slot 24 is provided in the middle of the connecting plate 3, and a pipe groove that can accommodate the inlet pipe 10 and the outlet pipe 11 is also provided on the slide plate 5 to cooperate with the cable slot 24 to prevent the pipe from being squeezed during movement.

[0038] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0039] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology. It will not be described in detail here. The content not described in detail in this specification belongs to the existing technology known to professional and technical personnel in this field.

[0040] The above description of the present invention and its embodiments is non-limiting. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if a person skilled in the art is inspired by the above, and does not deviate from the purpose of the present invention, without inventive design, a structure and embodiment similar to the technical solution should fall within the scope of protection of the present invention.

Claims

1. A printer head chip control mechanism, comprising a back plate, characterized in that: The back plate comprises a top plate (1), a bottom plate (2), and an adjustment plate group connected between the top plate (1) and the bottom plate (2), wherein the adjustment plate group is composed of a plurality of groups of connecting plates (3) that are spliced together; Positioning connection foot holes (4) are provided on both the top plate (1) and the bottom plate (2); a power source assembly is also connected to the outer side of the top plate (1); a slide plate (5) is provided on the connecting plate (3) for sliding along the Z-axis direction; the power source assembly drives the slide plate (5) to move; The slide plate (5) is also connected to a pressure plate head (6), and the bottom end of the pressure plate head (6) is connected to multiple groups of pressure heads (7). The outer wall of the pressure plate head (6) is connected to the pressure heads (7) and is provided with an inlet valve (8) and an outlet valve (9). The ends of the inlet valve (8) and the outlet valve (9) are respectively connected to an inlet pipe (10) and an outlet pipe (11); Contact sensors (12) are respectively connected to the back plate at the highest point and the lowest point where the slide plate (5) moves.

2. A printer head chip control mechanism according to claim 1, characterized in that: The outer walls of the adjacent connecting plates (3) are each provided with a recessed groove (13), and a through hole (14) is provided on the recessed groove (13) passing through the two walls thereof, and a positioning bolt is connected in the through hole (14). The bottom wall of the top plate (1) and the top wall of the bottom plate (2) are also provided with a recessed groove (13).

3. The printer head chip control mechanism according to claim 1, characterized in that: The connecting plate (3) is provided with a T-slot guide rail (15) inwardly, and the inner wall of the slide plate (5) is provided with a T-shaped block (16) outwardly in coordination with the T-slot guide rail (15).

4. A printer head chip control mechanism according to claim 3, characterized in that: The top plate (1) and the bottom plate (2) are also provided with T-slot guide rails (15) in conjunction with T-shaped blocks (16).

5. A printer head chip control mechanism according to claim 3 or 4, characterized in that: The T-slot guide rail (15) is provided with a plurality of holes (17) uniformly concave along its length direction. One end of the contact sensor (12) is connected to the hole (17) and is provided with a screw (18). The end of the screw (18) passes through the back of the connecting plate (3) and is threadedly sleeved with a screw ring (19).

6. The printer head chip control mechanism according to claim 1, characterized in that: The power source assembly includes a driving motor (20) and a screw rod (21) connected to the rotating end of the driving motor (20); the outer wall of the slide plate (5) is provided with a collar (22) that is threadedly matched with the screw rod (21); and the middle part of the pressure plate head (6) is provided with a U-shaped groove (23) that is matched with the screw rod (21).

7. The printer head chip control mechanism according to claim 1, characterized in that: A cable slot (24) is provided in the middle of the connecting plate (3), and a pipe slot capable of accommodating an inlet pipe (10) and an outlet pipe (11) is provided in the slide plate (5) in conjunction with the cable slot (24). An exhaust valve is provided at the end of the outlet pipe (11), and a pressure sensor is provided in the pressure head (7).

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