CN207044956U - A kind of carbon ribbon unwinding device for scroll printer - Google Patents

Abstract

The utility model discloses a kind of carbon ribbon unwinding device for scroll printer, including mandrel and the pipe that unreels that is set on mandrel, the end for unreeling pipe both ends are provided with neck, and the both ends for unreeling pipe are set with plug；The plug includes main body annular in shape, and the inner circle side of main body is provided with the spacing chunk corresponding with neck, and spacing chunk is located in neck, and the spacing chunk includes two boss, has spacing between two boss；The both ends for unreeling pipe are abutted against and have snap close piece, and the snap close piece includes body, and body is extended axially by the projection corresponding with spacing chunk close to the one end for unreeling pipe, and the projection is inserted between two boss.It is the utility model install convenient, reliable, avoid snap close piece and unreel the direct collision of pipe clamp groove, ensure that the stability for unreeling pipe rotation, reduce the abrasion of parts, avoid the carbon ribbon caused by neck wears skidding cisco unity malfunction to waste, improve operating efficiency.

Description

A kind of carbon ribbon unwinding device for scroll printer

Technical field

The utility model belongs to printing device technical field, and in particular to a kind of carbon ribbon for scroll printer unreels dress Put.

Background technology

The structure of carbon ribbon working position on existing digital banner printing machine, as shown in figure 1, including carbon ribbon unreeling structure 4, Rubber bearing roller 5, thermal printing head 8 and carbon ribbon rolling-up mechanism 7, the thermal printing head 8 are located at the top of rubber bearing roller 5, Carbon ribbon lifting shaft 6 is provided between rubber bearing roller 5 and carbon ribbon rolling-up mechanism 7, is finely tuned for support carbon ribbon about 9；The carbon Band 9 is released by carbon ribbon unreeling structure 4, then is passed through between thermal printing head 8 and rubber bearing roller 5, is finally closed at carbon ribbon receipts Roll up in mechanism 7；Scroll cloth 10 to be printed passes through between thermal printing head 8 and rubber bearing roller 5, and scroll cloth 10 is located at carbon With 9 lower section, so as to realize the printing of scroll cloth 10.Wherein, the carbon ribbon unreeling structure 4 includes mandrel and is arranged with carbon ribbon 9 Unreel pipe, the pipe sleeve that unreels is rotated to control the releasing of carbon ribbon 9 with mandrel loaded on mandrel.

In actual use, it is easy to problems with occurs：Because print speed is fast, carbon ribbon is put caused by longevity of service The junction of volume mechanism parts, which loosens, to walk, or because the intensity for unreeling pipe is not high, causes to unreel the company of installation between pipe and mandrel The gouging abrasion connect, carbon ribbon volume can be all caused to lose tension force and skid, it is impossible to normal use, to cause carbon ribbon waste and labor hour Waste.

Utility model content

In order to improve the smoothness that carbon ribbon unreels, the utility model provides a kind of carbon ribbon for scroll printer and unreeled Device.

To achieve these goals, the technical scheme that the utility model is taken is as follows：

A kind of carbon ribbon unwinding device for scroll printer, including mandrel and the pipe that unreels that is set on mandrel, it is described The end for unreeling pipe both ends is provided with neck, and the both ends for unreeling pipe are set with plug；The plug includes annular in shape Main body, the internal diameter of the main body are adapted with unreeling the external diameter of pipe, and the inner circle side of main body is provided with the limit corresponding with neck Hyte block, and spacing chunk is located in neck, the spacing chunk includes two boss, and two boss are relative with neck respectively Two side phase apical graftings, so that plug is circumferentially spacing relative to pipe is unreeled, and there is spacing between two boss；Unreel the both ends of pipe Being abutted against has snap close piece, and the snap close piece includes body, and body is extended axially by and spacing group close to the one end for unreeling paper tube The corresponding projection of block, the projection is inserted between two boss, so that snap close piece is circumferentially spacing relative to plug.

Preferably, one or more fastener is installed, the fastener is perpendicular to snap close piece on the snap close piece Axial direction, and fastener is located at end and the mandrel phase apical grafting in body.

Preferably, the length of length and projection in axial direction of the boss in axial direction is no more than neck Depth.

The utility model is install convenient, reliable by snap close piece and unreeling plug being set between pipe, avoids snap close piece Direct collision with unreeling pipe clamp groove, it ensure that mandrel drives the stability for unreeling pipe and rotating by snap close piece, reduce zero The abrasion of part, carbon ribbon waste is avoided, improves operating efficiency.

Brief description of the drawings

Fig. 1 is the folding and unfolding schematic diagram of carbon ribbon on existing digital banner printing machine；

Fig. 2 is structural representation of the present utility model；

Fig. 3 is the structural representation that pipe is unreeled in Fig. 2；

Fig. 4 is Fig. 3 schematic perspective view；

Fig. 5 is the structural representation of plug in Fig. 2；

Fig. 6 is Fig. 5 schematic perspective view；

Fig. 7 is Fig. 6 front view；

Fig. 8 is the structural representation of snap close piece in Fig. 2；

Fig. 9 is Fig. 8 schematic perspective view.

Embodiment

As shown in Fig. 1 ~ 9, a kind of carbon ribbon unwinding device for scroll printer, including mandrel and be set on mandrel Pipe 1 is unreeled, the end for unreeling the both ends of pipe 1 is symmetrically arranged with two necks 101.Unreel pipe 1 both ends be set with it is stifled First 2, the plug 2 includes main body 201 annular in shape, and the internal diameter of the main body 201 is adapted with unreeling the external diameter of pipe 1, main body 201 inner circle side is provided with the spacing chunk corresponding with neck 101, and spacing chunk is located in neck 101, described spacing Chunk includes two boss 202, two boss 202, two side phase apical graftings relative with neck 101 respectively, so that the phase of plug 2 It is circumferential spacing for unreeling pipe 1, and have spacing between two boss 202, so as to form a slot 203 in the middle part of spacing chunk. The both ends for unreeling pipe 1 are abutted against and have snap close piece 3, and the snap close piece 3 includes the first body 302 and the second body being connected with each other 303, the longitudinal center line of the first body 302 overlaps with the longitudinal center line of the second body 303, the internal diameter of the first body 302 with The internal diameter of second body 303 is identical, and the external diameter of the first body 302 is less than the external diameter of the second body 303, the first body 302 with The joint of second body 303 is outward extended with the plate body 301 of annular；The end of first body 302 and the end for unreeling pipe 1 Mutually it is abutted against, the first body 302 is extended axially by the projection 304 corresponding with spacing chunk, and described raised 304 insert in slot In 203, so that snap close piece 3 is circumferential spacing relative to plug 2；Second body 303 is provided with the screwed hole for being used for installing fastener 305, and fastener is provided with screwed hole 305, the fastener perpendicular to the axial direction of the second body 303, wear by fastener Cross and stretch into the second body 303, and fastener is located at end and the mandrel phase apical grafting in the second body 303, to realize snap close piece 3 With being fastenedly connected for mandrel.

Wherein, the longitudinal center line for unreeling pipe 1, plug 2 and snap close piece 3 is respectively positioned on same straight line, the boss 202 Depth of the length and raised 304 length in axial direction in axial direction no more than neck 101.Further, it is described Unreeling pipe 1 can be made of cheap paper material, and intensity plastics, metal or the wood moulding high compared with papery can be selected in the plug 2 Material is made, it is contemplated that intensity, cost and the factor such as easy to process, pipe is unreeled because the intensity of rigid plastics is sufficient for protection 1 neck 101, and it is wear-resisting, therefore the optimal selection of plug 2 is made up of rigid plastics material.

It is sleeved in use, pipe 1 will be unreeled on mandrel, then installed plug 2 and snap close piece 3 successively, then pass through fastener Snap close piece 3 and mandrel are locked, finally the carbon ribbon unwinding device assembled is installed on printer, you can.

The utility model is not restricted to the described embodiments, and simply illustrates this reality described in above-described embodiment and specification With new principle, the utility model also has various change and changed on the premise of the spirit and scope of the utility model is not departed from Enter, these changes and improvements are both fallen within claimed the scope of the utility model.

Claims (3)

1. a kind of carbon ribbon unwinding device for scroll printer, including mandrel and it is set on mandrel and unreels pipe, its feature It is：The end for unreeling pipe both ends is provided with neck, and the both ends for unreeling pipe are set with plug；The plug includes Main body annular in shape, the internal diameter of the main body are adapted with unreeling the external diameter of pipe, and the inner circle side of main body is provided with and neck phase Corresponding spacing chunk, and spacing chunk is located in neck, the spacing chunk include two boss, two boss respectively with card Two relative side phase apical graftings of groove, so that plug is circumferentially spacing relative to pipe is unreeled, and have spacing between two boss；Unreel The both ends of pipe, which are abutted against, snap close piece, and the snap close piece includes body, and body is extended axially by close to the one end for unreeling paper tube The projection corresponding with spacing chunk, the projection is inserted between two boss, so that snap close piece is circumferentially spacing relative to plug.

2. it is used for the carbon ribbon unwinding device of scroll printer according to claim 1, it is characterised in that：Pacify on the snap close piece Equipped with one or more fastener, the fastener is perpendicular to the axial direction of snap close piece, and fastener is located in body End and mandrel phase apical grafting.

3. it is used for the carbon ribbon unwinding device of scroll printer according to claim 1, it is characterised in that：The boss is vertically Depth of the length of the length and projection in direction in axial direction no more than neck.