JPH0724236Y2 - Safe tool for three-way cutting machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) This invention relates to a blade safety device for a three-way cutting machine, and more specifically, a protective cover for covering three blades of the three-way cutting machine has its holder. The present invention relates to a blade safety device for a three-way cutting machine, in which the cutting machine drive unit is locked and / or an alarm is issued if not all are held.

(Prior Art) Three-way books, booklets, etc. configured to automatically feed cut pieces onto a cut table, align them under the blade there, and fix them on the cut table with a holding plate. Three blades (two top-and-bottom blades and one small edged blade) in a three-way cutting machine for cutting the machine are incorporated in the machine, but adjustment work, maintenance inspection, cleaning work, repair work, etc. For safety, each blade is fitted with a protective cover made of wood or a plastic material, and each protective cover is removed to operate the machine for safety.

(Problems to be solved by the invention) However, when the machine is operated after the above work, it is common to operate the machine while it is fitted on the blade without accidentally removing the protective cover. In such a case, however, many accidents that damage or damage the protective cover, the blade, etc. are caused.

(Means for Solving Problems) The present invention has been made to solve the above problems, and is configured as follows.

That is, the blade safety device for a three-way cutting machine according to the present invention comprises a holder for holding each protective cover to be fitted on each cutting edge of the three blades of the three-way cutting machine, and / or a holding detection unit for each protective cover. Are provided respectively, and the respective holding detection units are connected to the switch drive unit and / or the alarm device, and if the entire protective cover is not held by the holder, the switch drive unit is locked and / or an alarm is issued. It is characterized by what is done.

Next, the device of the present invention will be described in detail with reference to the drawings with reference to the following embodiments.

〔Example〕

First, 3 is each cutting edge of the three blades 2 in the three-way cutting machine 1.
It is a protective cover that is fitted onto the 2a as shown in FIG. 3, and is made of wood or plastic material. 4 is the above 3
A holder made of wood or a plastic material for holding the protective cover 3. The holder 4 has three storage parts in FIG. 2 in which the three protective covers 3 can be vertically inserted and stored. If it is a cylindrical case 5 divided into 6,
Further, in FIG. 4, the case of the substrate 10 in which the three protruding strips 11 on which the three protective covers 3 can be horizontally mounted, respectively, are provided vertically is illustrated. Reference numeral 7 denotes each holding detection unit provided on the holder 4 and / or each protective cover 3. In the case of the holder 4 shown in FIG. 2, there is a case where the metal switch 9 is attached to each of the three protective covers 3 and the magnetic switch holding detector 7 is attached to the cylindrical case 5 at a position corresponding to each metal piece 9. In the case of the holder 4 shown in FIG. 4, when the three protective covers 3 are mounted on the respective projecting strips 11, the protective covers 3 are attached to the substrates 10 which are turned on. The case of the holding detection unit 7 of the microswitch is illustrated as an example. Each holding detection unit 7 is associated with the switch drive unit and / or the alarm device 12 by a conductor 8. If the entire protection cover 3 is not held by the holder 4, the signal from the holding detection unit 7 is not output, and the switch drive unit is locked and / or an alarm is issued.

The holder 4 may be installed at any place, and the sensor of the holding detection unit 7 may be an optical sensor other than the embodiment.

(Effect of the device) This device is designed to lock the cutting machine drive part and / or issue an alarm if all the protective covers are not held by the holder as described above. After the maintenance and inspection, cleaning work, repair work, etc., even if the switch is operated to operate the three-way cutting machine without accidentally removing the protective cover, The drive unit is locked and the machine does not rotate.Therefore, it is possible to completely eliminate the accident that damages or damages the protective cover or the blade by operating the machine with the protective cover fitted on the blade, and an alarm is issued. There is an excellent effect that the operator can be notified.

[Brief description of drawings]

The drawings show an embodiment of the device according to the present invention.
FIG. 2 is a front view, FIG. 2 is a perspective view of a protective cover holding detection unit,
FIG. 3 is a sectional view of a protective cover fitted to a blade, and FIG. 4 is a perspective view of another embodiment of the protective cover holding detection unit. 1 ... Three-way cutting machine, 2 ... Blade, 2a ... Blade tip, 3 ... Protective cover, 4 ... Holder, 5 ... Cylindrical case, 6 ... Storage section, 7 ... Holding detection section, 8 ...... Conductor, 9 …… Metal piece, 10
…… Substrate, 11 …… Ridge plate, 12 …… Alarm device,

Claims (1)

[Scope of utility model registration request] 1. A holder for holding each protective cover to be fitted on each blade edge of three blades of a three-way cutting machine, and / or
Alternatively, each protection cover is provided with a holding detection unit, and each holding detection unit is connected to the cutting machine drive unit and / or the alarm device, and if all protection covers are not held by the holder, the cutting machine drive unit. A safety device for a three-way cutting machine, characterized in that a lock and / or an alarm is issued.