Precise wear-resistant printer shaft core

Abstract

The utility model discloses a precise wear-resistant printer central spindle which comprises a central spindle body, and the outer end of the central spindle body is connected with a connector. The shaft core is characterized in that the outer end of the connector is in sliding connection with an installation cap, the interior of the shaft core body is in threaded connection with a fixing bolt, a pin hole penetrates through the middle of the fixing bolt to form a clamping mechanism, the pin hole is formed in the connector, and a nitriding layer is arranged on the surface of the shaft core body through nitriding treatment. A wear-resistant layer is sprayed on the outer surface of the nitriding layer and is made of a ceramic coating material; a sliding clamping mechanism is formed between the inner ends of the connectors and the shaft core body, and the structures of the two connectors are consistent. The precise wear-resistant printer central spindle is provided with the nitriding layer, and the central spindle body can have relatively high wear resistance through the use of the nitriding layer, so that the wear resistance of the central spindle body in use is reduced, and the reduction of the precision of the central spindle body after wear is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a printer shaft core technical field, concretely is a precise wear -resisting printer shaft core. BACKGROUND

[0002] The printer shaft core mainly functions is fixed in the carbon tape on the carbon tape installation shaft of bar code printer, ensures carbon tape in the printing process can move stably, accurately, prevents carbon tape from sliding or falling off in the printing process, thereby ensures the continuity and stability of printing,

[0003] The existing printer shaft core will cause the abrasion between carbon tape and shaft core due to the adhesion with carbon tape, and the abrasion of shaft core will cause the stability to drop, thereby causing the quality of printing to drop as well.

[0004] In order to solve the above-mentioned defects, the utility model discloses a kind of printer shaft cores with good wear resistance, which is provided with limiting groove, limiting block, wear-resistant sleeve and wear-resistant pad.The limiting block is connected with the limiting groove, which can make the wear-resistant sleeve more stable outside the shaft core body, and the wear-resistant sleeve can be replaced as a whole, which saves the use cost, and the wear-resistant pad can provide wear-resistant protection from the outermost part of the shaft core body, thereby improving the wear resistance of the shaft core body.

[0005] In the actual use of the above device, although the wear-resistant sleeve is used to improve the wear resistance of the shaft core body, the wear-resistant sleeve will be damaged due to the contact with the carbon tape after a long time of use, which may cause the wear of the shaft core body.

[0006] Therefore, we propose a precise wear-resistant printer shaft core to solve the above problems. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing a precise wear-resistant printer shaft core to solve the problem of wear-resistant sleeve damage due to contact with carbon tape, which may cause the wear of the shaft core body.

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a precise wear-resistant printer shaft core, comprising a shaft core body, and a connecting head connected to the outer end of the shaft core body.

[0009] Its features are:

[0010] The outer end of the connecting head is slidably connected with a mounting cap, and the inner part of the shaft core body is threadedly connected with a fixing bolt, the middle part of the fixing bolt penetrates a pin hole to form a clamping mechanism, and the pin hole is arranged on the connecting head, the surface of the shaft core body is nitrided to form a nitrided layer, and the outer surface of the nitrided layer is sprayed with a wear-resistant layer composed of ceramic coating material.

[0011] Preferably, the inner end of the connecting head and the shaft core body form a sliding clamping mechanism, and the two groups of connecting heads have consistent structures.

[0012] Preferably, the inner end of the connecting head and the shaft core body form a sliding clamping mechanism, and the two groups of connecting heads have consistent structures.

[0013] Preferably, the outer end of the connecting head and the shaft core body form a sliding clamping mechanism, and the two groups of connecting heads have consistent structures.

[0014] Preferably, the inner end of the connecting head and the shaft core body form a sliding clamping mechanism, and the two groups of connecting heads have consistent structures.

[0015] Preferably, the inner end of the connecting head and the shaft core body form a sliding clamping mechanism, and the two groups of connecting heads have consistent structures.

[0016] Preferably, the inner end of the connecting head and the shaft core body form a sliding clamping mechanism, and the two groups of connecting heads have consistent structures.

[0017] Compared with the prior art, the precision wear-resistant printer shaft core has strong wear resistance and is convenient to use, the use of the nitrided layer can further improve the wear resistance of the shaft core body, thereby achieving strong wear resistance, and through the movement of the clamping block, the shaft core body can adapt to different models of printers, thereby achieving the purpose of being convenient to use, and the specific contents are as follows:

[0018] (1) The nitrided layer is arranged, the use of the nitrided layer can make the shaft core body have strong wear resistance, thereby reducing the wear resistance of the shaft core body in use, so as to avoid the decrease of precision of the shaft core body after wear;

[0019] (2) The clamping block is arranged, through the movement of the clamping block, the mounting cap can be adjusted according to different models of printers, and then the clamping block and the clamping groove are connected to achieve the function of the fixed mounting cap, thereby achieving the purpose of being convenient to use;

[0020] (3) The spring is arranged, the inner end of the clamping block is connected with the spring, and the inner end of the spring is connected in the inner part of the mounting cap, thereby the spring can limit the clamping block, thereby improving the stability of the clamping block;

[0021] (4) be provided with the pull rope, the pull rope is connected through the inner end of the clamping block, and the outer end of the pull rope is connected with the sliding ring through the spring and is installed in the inside of the cap, and the sliding ring is slidably connected on the cap, and then the clamping block can be moved by the movement of the pull rope, so that the adjustment of the cap is facilitated;

[0022] (5) be provided with the first roller and the second roller, the first roller and the second roller are attached to the bending part of the pull rope, and the first roller and the second roller are connected in the inside of the cap through the bearing, and then the first roller and the second roller can reduce the wear of the pull rope, thereby prolonging the service life of the pull rope. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a front view structural schematic diagram of the utility model;

[0024] Figure 2 It is a structure schematic diagram of the shaft core body after analysis of the utility model;

[0025] Figure 3 It is a structure schematic diagram of the connecting head after separation of the utility model;

[0026] Figure 4 It is a structure schematic diagram of the connecting head after separation of the utility model;

[0027] Figure 5 It is a structure schematic diagram of the connecting head after separation of the utility model; Figure 4 It is a structure schematic diagram of the connecting head after separation of the utility model;

[0028] Figure 6 It is a front view structure schematic diagram of the second roller of the utility model.

[0029] In the drawing: 1, shaft core body; 101, nitriding layer; 102, wear-resistant layer; 2, connecting head; 3, fixed bolt; 4, installation cap; 5, pin hole; 6, clamping block; 7, clamping groove; 8, spring; 9, pull rope; 10, first roller; 11, sliding ring; 12, second roller. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0031] The embodiment one discloses the following:

[0032] The outer end of the shaft core body 1 is connected with a connecting head 2, the outer end of the connecting head 2 is slidably connected with a mounting cap 4, the surface of the shaft core body 1 is nitrided to form a nitriding layer 101, and the outer surface of the nitriding layer 101 is sprayed with a wear-resistant layer 102, the wear-resistant layer 102 is composed of a ceramic coating material, a sliding clamping mechanism is formed between the inner end of the connecting head 2 and the shaft core body 1, and the two groups of connecting heads 2 are consistent in structure.

[0033] Reference Figures 1 to 2 By nitriding treatment, the surface of the shaft core body 1 can form a nitriding layer 101, and the outer surface of the nitriding layer 101 is sprayed with a wear-resistant layer 102, so that the wear-resistant layer 102 and the nitriding layer 101 can play a protective role on the shaft core body 1, thereby reducing the damage of the carbon belt to the shaft core body 1 when the shaft core body 1 is combined with the carbon belt, so that the shaft core body 1 has higher precision, and also has stronger wear resistance.

[0034] The embodiment two discloses the following:

[0035] The inner thread of the shaft core body 1 is connected with a fixing bolt 3, the middle part of the fixing bolt 3 penetrates a pin hole 5 to form a clamping mechanism, and the pin hole 5 is arranged on the connecting head 2.

[0036] Reference Figure 1 And Figure 3 When the shaft core body 1 reaches the service life, the fixing bolt 3 is driven to rotate by using a screwdriver, so that the fixing bolt 3 can be separated from the inside of the shaft core body 1, and the fixing bolt 3 can also be separated from the inside of the pin hole 5, so that the shaft core body 1 and the connecting head 2 are disconnected, and then the shaft core body 1 can be replaced individually, thereby reducing the use cost.

[0037] The embodiment three discloses the following:

[0038] The inside of the mounting cap 4 is slidably connected with a clamping block 6, and the clamping block 6 is cuboid, the outer end of the clamping block 6 extends into the inside of the clamping groove 7 to constitute a clamping mechanism, and the clamping grooves 7 are equidistantly arranged on the connector 2, the inner end of the clamping block 6 is connected with a spring 8, and the inner end of the spring 8 is connected in the inside of the mounting cap 4, the inner end of the clamping block 6 is connected with a pull rope 9, and the outer end of the pull rope 9 extends out of the inside of the mounting cap 4 and is connected with a sliding ring 11 through the spring 8, and the sliding ring 11 is slidably connected on the mounting cap 4, the first roller 10 and the second roller 12 are attached to the bending part of the pull rope 9, and the first roller 10 and the second roller 12 are connected in the inside of the mounting cap 4 through bearings;

[0039] Reference Figure 1 、 Figures 3 to 6 By pulling the sliding ring 11, the sliding ring 11 can slide on the mounting cap 4, and the sliding of the sliding ring 11 can drive the pull rope 9 to move, and then the movement of the pull rope 9 can drive the clamping block 6 to move through the first roller 10 and the second roller 12, and then the clamping block 6 can move to the inside of the mounting cap 4, and the movement of the clamping block 6 can be separated from the clamping of the clamping groove 7, and then the movement of the clamping block 6 can press the spring 8, so that the spring 8 is forced to compress, and then the mounting cap 4 is pulled, so that the mounting cap 4 can slide in the inside of the connector 2, so as to adjust the distance between the mounting cap 4 and the connector 2, after the adjustment is completed, the clamping block 6 is pushed into the inside of the clamping groove 7 by the force of the spring 8, and then the mounting cap 4 can be fixed on the connector 2, so that the mounting cap 4 can be adjusted according to different models of printers, so as to achieve the purpose of convenient use.

[0040] Working principle: when using the precise and wear-resistant printer shaft core, first of all, Figures 1 to 2 By nitriding treatment, the surface of the shaft core body 1 can form a nitriding layer 101, and the outer surface of the nitriding layer 101 is sprayed with a wear-resistant layer 102, so that the shaft core body 1 is combined with the carbon tape, the damage of the carbon tape to the shaft core body 1 is reduced, and the shaft core body 1 has strong wear resistance;

[0041] Reference Figure 1 and Figure 3 When the shaft core body 1 reaches the service life, the fixed bolt 3 is driven to rotate by using a screwdriver, and the fixed bolt 3 is also separated from the inside of the pin hole 5, so that the shaft core body 1 is separated from the connector 2, and then the shaft core body 1 can be replaced alone, so as to reduce the cost of use;

[0042] Reference Figure 1 、 Figures 3 to 6By pulling the sliding ring 11, the sliding ring 11 can slide on the mounting cap 4, the sliding of the sliding ring 11 drives the pull rope 9 to move, then the clamping block 6 can move to the inside of the mounting cap 4, the movement of the clamping block 6 can be separated from the clamping of the clamping groove 7, then the mounting cap 4 is pulled to slide in the inside of the connector 2, after the adjustment is completed, the clamping block 6 is pushed into the inside of the clamping groove 7 by the force of the spring 8, then the mounting cap 4 can be fixed on the connector 2, so that the mounting cap 4 can be adjusted according to different models of printers, then the purpose of convenient use is achieved.

[0043] The contents not described in detail in the specification belong to the prior art known to the person skilled in the art.

[0044] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A precise wear-resistant printer shaft core, comprising a shaft core body (1), the outer end of the shaft core body (1) is connected with a connecting head (2); Characterized in that: The outer end of the connecting head (2) is slidingly connected with a mounting cap (4), and the inner part of the shaft core body (1) is threadedly connected with a fixing bolt (3), the middle part of the fixing bolt (3) penetrates through a pin hole (5) to form a clamping mechanism, and the pin hole (5) is arranged on the connecting head (2), the surface of the shaft core body (1) is nitrided to form a nitrided layer (101), and the outer surface of the nitrided layer (101) is sprayed with a wear-resistant layer (102), and the wear-resistant layer (102) is composed of ceramic coating material.

2. A precision wear-resistant printer core as claimed in claim 1, characterized in that: The inner end of the connecting head (2) and the shaft core body (1) form a sliding clamping mechanism, and the two groups of connecting heads (2) are structurally consistent.

3. A precision wear-resistant printer core as claimed in claim 1, wherein: The inner part of the mounting cap (4) is slidingly connected with a clamping block (6), and the clamping block (6) is in the shape of a cuboid.

4. A precision wear-resistant printer core as claimed in claim 3, wherein: The outer end of the clamping block (6) extends into the inner part of the clamping groove (7) to form a clamping mechanism, and the clamping grooves (7) are arranged at equal intervals on the connecting head (2).

5. A precision wear-resistant printer core as claimed in claim 3, wherein: The inner end of the clamping block (6) is connected with a spring (8), and the inner end of the spring (8) is connected to the inner part of the mounting cap (4).

6. A precision wear-resistant printer core as claimed in claim 3, wherein: The inner end of the clamping block (6) is connected with a pull rope (9), and the outer end of the pull rope (9) is connected with a sliding ring (11) by extending out of the inner part of the mounting cap (4) through the spring (8), and the sliding ring (11) is slidingly connected to the mounting cap (4).

7. A precision wear-resistant printer core as claimed in claim 6, characterised in that: The bending part of the pull rope (9) is attached with a first roller (10) and a second roller (12), and the first roller (10) and the second roller (12) are connected to the inner part of the mounting cap (4) through bearings.

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