JPH0755083Y2 - Printer winding device - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The disclosed technology is applied to a label printer or the like that prints predetermined items such as weight, unit price, and total price on a label attached to a product in a backyard of a supermarket. It belongs to the technical field of the structure of the winding device.

<Summary of Summary> Therefore, the invention of this application is applied to a printer such as a label printer that prints predetermined items such as unit price and weight for each product in a backyard of a supermarket on a label.
Winding in which a mount of a label or the like is wound on a supporting disk rotatably provided in the driving device via a belt pulley mechanism or the like via a U-shaped clip by a winding cylinder fixed to the supporting disk. The invention relates to a device, and in particular, the guide disk is detachably mounted on the support disk, the winding cylinder is integrally provided on the support disk, and the rotation torque is one pin of the support disk and the guide disk and the other pin hole. The invention relates to a winding device for a printer, which is configured to be transmitted via a hooking device such as the above.

<Prior Art> As is well known, the consumer life in citizen's life has recently become extremely prosperous, and therefore, the handling amount and variety of products in the distribution department increase, and therefore, the backyard of the supermarket. Etc., the processing mechanism of each place has become extremely complicated.

Therefore, management in the distribution department and systematization of product processing were designed to improve distribution efficiency, and necessary items such as unit price, weight, store name, date, etc. for each product were printed on the label. A system for sticking to the label is becoming more and more important, and therefore, various label rolls are being handled in so-called label printers and the like, and it is desired that the processing is quick and accurate. Are becoming available.

The label printer 1 of recent years is briefly described with reference to FIGS. 8 and 9. On the base 2, a cathode ray tube 3 for displaying print data is provided on one side, and a scanning unit having a numeric keypad 4 and the like on the side thereof. 5, a cassette storage portion 6 (not shown) is provided, and a support disk 9 is provided on a side of a drawer 8 that is moved forward and backward by a handle 7 and cannot be pulled out by a motor (not shown) via a belt pulley mechanism and is rotated. A winding cylinder 10 is provided at the center of the platen roll 11 and a print head that is fed from a cassette (not shown).
A mount and a label on which predetermined items are printed by 12 are wound as a sheet roll 11.

Such a structure is disclosed, for example, in the device described in Japanese Utility Model Publication No. 57-40236.

And when you change the label corresponding to the product, or
When the label is replaced with a new label, it is necessary to take out the sheet roll 11 from the supporting disk 9 and prepare for winding the sheet roll of the next label.

However, as described above, although the support disk 9 is generally rotatable, it has a structure in which it cannot be pulled out. Therefore, as shown in FIG. The sheet roll is caused by friction between the winding cylinder 10 and the sheet roll 11 with respect to the winding cylinder 10.
11 has a drawback that so-called telescopic discoloration occurs and the subsequent handling requires troublesome labor.

This has the same drawbacks, for example, in the invention of Japanese Utility Model Application Laid-Open No. 56-144653, which is a prior application.

In particular, there are many such inconveniences in the cassette type label printer of the vertically inclined open type, and the sheet roll 11 needs to be taken out with considerable care, and therefore,
Therefore, the work efficiency is low, and it is difficult to fully use the functions of the label printer.

Further, such a problem also occurs in the receipt printer as well.

<Purpose of Invention> The purpose of the invention of this application is to solve the problem of winding a sheet roll such as a printed label for a large number of products based on the above-mentioned prior art, and to wind the sheet roll once. The removal of the print sheet roll is surely performed in the middle of the subsequent process, and the desired print sheet roll can be freely replaced without causing telescopic loosening. The present invention provides an excellent printer winding device.

<Means / Action for Solving the Problems> In order to solve the above-mentioned problems, the configuration of the invention of the present application, which has the above-mentioned utility model registration claim as its gist
In a printer such as a label printer provided in the backyard of a supermarket, set the print sheet roll corresponding to the product on the printer, and pass the print sheet through the platen roll and print head onto the support disk of the winding device. The take-up cylinder fixed to the roll is wound via a U-shaped clip, and the drive unit winds the sheet roll around the take-up cylinder. The print sheet fed from the print sheet roll has a predetermined unit price, weight, total price, etc. When the print sheet roll ends or is replaced with the print sheet roll corresponding to the next product type, the sheet is pulled out by being linked with the drive device. For unrestricted winding, the guide disc is mounted on the support disc through a hook between the guide disc and the rotation torque so that the torque can be transmitted. Rotates integrally, and when pulling out the sheet roll, the guide disc is pulled out from the support disc along the take-up cylinder so that the sheet roll does not have a telescopic shape, etc. The technical measures were taken so that the printed sheet roll can be smoothly removed and taken out in the posture of being rolled up, the operating efficiency of the printer is improved, and quality control and maintenance inspection can be performed well. It is a thing.

<Embodiment> An embodiment of the invention of this application will be described below with reference to FIGS. It should be noted that parts that are the same as those in FIGS.

In the embodiment shown in FIGS. 1 to 4, the embodiment is the eighth,
This is a mode used in a general forward / backward type cassette type label printer 1 shown in FIG. 9, and the winding device 13 is provided at a predetermined portion of a frame 14 similar to the portion shown in FIG. Bearings fixed to the prescribed parts of the frame 14
A rotary shaft 17 is mounted via 15 bearings 16 and 16, and a round pulley 20 is not shown via a round belt 21 for a clutch plate 18 integrally fixed to the rotary shaft 17. It receives a power from a motor and is rotatably supported by a rotary shaft 17, and a clutch 19 on its upper surface reliably transmits a rotary torque to a clutch plate 18 by an elastic spring 22 below the rotary shaft 17. Both are designed to be able to slip against overtorque.

A support disk 9'in which the winding cylinder 10 is integrally formed and is extended is provided at the upper end of the rotary shaft 17, and a pair of pins 23, 23 are integrated at a predetermined portion on the diameter thereof. Has been set up.

As shown in FIG. 2, a donut-shaped guide disk 24 is provided on the support disk 9'with a hole 25 slightly larger than the take-up cylinder 10 and at the diameter thereof. Is a pin hole 26 corresponding to the pins 23 of the support disk 9 ',
26 is provided so that it can be attached and detached along the winding cylinder 10.

The pin 23 and the pin hole 26 form a hook.

Therefore, as shown in FIG. 3, the guide disc 24 is externally loosely inserted into the winding cylinder 10 through the hole 25 and the pins 23 and 23 of the support disc 9'are inserted into the pin holes 26 and 26. The front end of the print sheet from a label roll (not shown) is wound around the winding cylinder 10 that protrudes into the hole 25, and the U-shaped clip 27 is used to make a corresponding semi-circular cross section in the axial direction of the corresponding winding cylinder 10. The notches 28, 28 are hooked on the guide disc 24, and the sheet roll 11 is formed on the guide disc 24 as shown in FIG.

Therefore, when the winding of the sheet roll 11 is completed or when the label roll is replaced with the next label roll at the time of midway cutting,
As shown in the drawing, when the U-shaped clip 27 is pulled out from the winding cylinder 10 and the guide disk 24 is pulled up along the winding cylinder 10, the sheet roll 11 is placed on the guide disk 24 and wound. It is designed so that it can be pulled out without causing any telescopic dislocation while maintaining its posture.

Further, since the sheet roll 11 is placed on the guide disk 24 and pulled out, the bottom of the sheet roll 11 is not damaged at the time of pulling out.

In the above-mentioned structure, first, as shown in FIG. 2, the guide disk 24 is provided with the hole 25 in the upper portion of the support disk 9'and lowered along the winding cylinder 10 and rotated to rotate the pin hole 2
The pins 6 and 26 are positioned and engaged with the corresponding pins 23 and 23 so that the pins cannot rotate relative to each other.

Then, similarly to the embodiment shown in FIGS. 8 and 9, the drawer 8 is pulled out by the handle 7 and the print sheet from the label roll of the cassette (not shown) in the cassette portion 6 is fed out from the hole 25 of the guide disk 24 of the winding device 13. The tip of the print sheet is wound around the take-up tube 10 protruding upward, and the U-shaped clip
27 and the corresponding notches 28, 28, and the drawer 8 is pushed into the base 2 to activate it, and the platen roll 11 presses the label onto the print head 12 by pressing the label by a predetermined operation with the ten key 4. An elastic spring 22 via a round belt 21 and a round pulley 20 by a motor (not shown).
The rotating shaft 17 rotates in the bearings 16, 16 of the shaft 15 via the pressing of the clutch 19 against the clutch plate 18 by the rotation of the support disc 9'with a predetermined torque. The sheet hole 11 which is integrally rotated with the support disk 9'by the pin hole 26 and is wound around the take-up cylinder 10 by the U-shaped clip 27 is rotated so that predetermined labels such as unit price, weight and total price can be displayed. Roll the printed print sheet.

Thus, after all the sheet rolls 11 are wound or when the label rolls are replaced with new label rolls for a predetermined product, the print sheet must be cut and the guide disc 24 must be removed from the support disc 9 '. However, as shown in FIG. 3, the guide disk 24 is pulled out from the take-up cylinder 10, and the edge portion of the guide disk 24 is appropriately grasped to move upward along the take-up cylinder 10 as shown in FIG. When the sheet roll 11 is pulled up, the sheet roll 11 is pulled out while being placed on the guide disc 24 and while maintaining the rolled posture. Therefore, as shown in FIG. , No telescopic disparity occurs.

Further, since it is placed on the guide disc 24 in a surface contacting posture, the bottom portion thereof is not damaged.

Then, the sheet roll 11 on the guide disc 24 is moved to the next stage in a predetermined manner, and the roll 11 is removed.
The 24 is again set on the support disc 9'as shown in FIG.

Of course, there is no problem in setting another guide disk 24 on the support disk 9'during this process.

Then, printing is performed on the next label.

Thus, the embodiment shown in FIG. 5 shows an application example, in which pin holes 26, 26 are formed on the support disk 9'side and the pins 23, 23 are integrally formed corresponding to the guide disk 24 'side. Installed in
Further, in this embodiment, a pipe-shaped winding cylinder 10 'having an upper lid is formed on the guide disk 24'. In this embodiment, the sheet roll 11 is mounted on the guide disk 24.
The guide disk 24 'and the take-up cylinder 10' can be removed around the outer circumference of the sheet roll 11, and the sheet roll 11 can be slid by the take-up cylinder 10 'even if the take-out cylinder 10' swings. The guide disc 2 is a mode in which it is prevented from falling off and falling apart.
The sheet roll 11 of the take-up cylinder 10 'can be smoothly removed by reversing the guide disk 24' at a predetermined portion.

Then, as another embodiment of the design change in the embodiment, the winding cylinder 10 'for the guide disk 24' is screw-threaded, and the winding cylinder 10 'can be attached to and detached from the guide disk 4'. It is also possible to

Next, in the application example shown in FIG. 6, the winding cylinder 10 ″ is integrally formed in the center of the guide disk 24 ″ into a pipe shape having a lid as in the application example shown in FIG. There is a gear protruding upward in the center of the support disc 9 ″,
Alternatively, a spline-shaped outward projecting portion is formed, and a gear and a spline-shaped inward projecting portion 30 are formed inside the base portion of the winding cylinder 10 ″ corresponding to the spline-shaped outward projecting portion, and the spline-shaped inward projecting portion 30 is fitted to each other to fit the supporting disc 9 ″. This is a mode in which the rotation torque can be transmitted to the guide disk 24 ″, and the basic operation and effect are the same as those in the above mode.

As another modified example of the application example shown in FIG. 6, it is possible to provide a hooking device having a polygonal shape instead of the gear and the spline.

Further, in the embodiment shown in FIG. 7, as in the embodiment shown in FIGS. 1 to 4, the winding cylinder 10 is integrally formed with the support disk 9, but the pair of pins 23 of the guide disk 24 is used. ′ And 23 ′ are made of a magnetic material such as a magnet, and magnets are provided in the corresponding pin holes 26 ′ and 26 ′ of the support disk 9.
When 31 and 31 are integrally fitted and fixed and magnetically attached when the guide disk 24 is set on the support disk 9, the guide disk 24 may come off from the support disk 9 in an unexpected situation during printing, resulting in poor rotation torque transmission. This is a mode in which there is no fear.

The magnetic body can be strongly magnetically attached to the support disk 9 and the guide disk 24 without using a magnet on only one side.

Of course, the embodiment of the invention of this application is not limited to the above-mentioned embodiments, and for example, the winding cylinder may be of a screwing type in the tightening direction with respect to the support disc or the guide disc. Various modes such as the above can be adopted.

Also, the applicable label printer is not only a horizontal cassette type label printer but also a side opening type set / reset type cassette type label printer, and it is applicable not only to a cassette type but also to a fixed type label printer. It goes without saying that the target printer may be not only the printer used for the label sheet but also the printer used for the receipt sheet.

Further, it goes without saying that the printer may be installed not only in the backyard of the supermarket but also in the register of an ordinary store.

<Advantages of Device> As described above, according to the device of the present application, in a winding device for a sheet roll of a printer, such as a cassette type label printer, which is basically set in a backyard of a supermarket, a non-detachable drive system is provided. Since the guide disk is detachably provided along the take-up cylinder with respect to the support disk integrally provided with the take-up cylinder that extends upward, the winding of the sheet roll on the take-up cylinder is completed. When removing the sheet roll from the take-up cylinder at the time of performing the replacement, or when replacing the sheet roll with another label roll, etc., the sheet roll is separated in a telescopic manner as in the conventional mode in order to remove the sheet roll together with the guide disc. There is no inconvenience such as the fact that it will be extremely troublesome to deal with it afterwards, and the guide disk is in contact with the surface of the sheet roll. Since it is placed on the bottom, it can be used for transfer to the next stage and management without any damage to the bottom part, and it is guaranteed that the work efficiency can be smoothly performed. The excellent effect of improving the efficiency of printing work is achieved.

Further, unlike the conventional mode, since the sheet rolls do not come apart, there is an advantage that the product yield is improved and the cost is also reduced from that point.

Further, since the structure is simple, it is easy to manufacture, and from that point of view, it does not lead to an increase in cost, and it is easy to perform maintenance and inspection, and there are few failures.

[Brief description of drawings]

1 to 7 are explanatory views of an embodiment of the invention of this application,
FIG. 1 is a partial sectional side view of a main part of one embodiment, FIG. 2 is a perspective view of a guide disk set state with respect to the winding cylinder, FIG. 3 is a perspective view of winding a sheet roll, and FIG. FIG. 5 is a partial sectional side view of an application example, FIG. 7 is a partial sectional side view of another embodiment, and FIG. 8 is a schematic perspective view of a label printer. FIG. 10 is a perspective view of the winding device, and FIG. 10 is a perspective view of removing a sheet roll based on the prior art. 1 ... Label printer, 20, 21 ... Drive device, 9 '...
Support disc, 11 ... Mount, 10 ... Winding tube, 13 ... Winding device, 23, 26 ... Hook, 24 ... Guide disc

Claims (7)

[Scope of utility model registration request] 1. A winding device in which a print sheet is wound around a take-up cylinder on a rotatable support disk linked to a drive device of a printer, wherein the take-up cylinder is integrally provided on the support disk. A winding device for a printer, wherein a guide disk provided on the support disk via a hook is detachably formed along the winding cylinder. 2. The winding device for a printer according to claim 1, wherein the latch is formed by a pin of the support disk and a hole of the guide disk. 3. The winding device for a printer according to claim 1, wherein the latch is formed by a hole of a support disk and a pin of a guide disk. 4. The winding device for a printer according to any one of claims 2 and 3, wherein the pin is made of a magnetic material. 5. The winding device for a printer according to claim 1, wherein the hooking member is formed by a key of the guide disk and a key groove of the winding cylinder. 6. A take-up device for a printer according to claim 1, wherein a hook for a support disc is formed in the take-up cylinder for the guide disc so as to be freely fitted therein. . 7. The winding device for a printer according to claim 6, wherein a magnetic material is attached to the hooking device.