JP3090491U - Cutter blade damage prevention device - Google Patents

Abstract

(57) [Summary] The object of the present invention is to close a bag mouth when forming a closed portion of a package, and a concave groove protruding from an outer peripheral portion of a transport chain hits a cutter blade and damages a blade. But does not endure the use. It is an object of the present invention to provide a breakage preventing device for a cutter, which is provided continuously and integrally with such a bag closing device. An object of the present invention is to form a closed portion of a package by supporting a portion between a bag mouth end portion and a bag mouth closed portion of the package and moving in synchronization with the conveyor and the holding belt. And a cutter blade having a cutting edge which is inclined and fixed so as to approach the transport chain in the traveling direction of the transport chain, and a package pressing portion protrudes from the outer surface of the transport chain at appropriate intervals. In the apparatus for cutting a closed portion of a package, in which a concave groove through which the cutter blade passes is formed in the package pressing portion along the transport direction, a pressing portion for guiding the package pressing portion on the cutter blade center line. The above problem is solved by providing a guide plate.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a device for preventing a cutter blade from being broken in a device for cutting a closed part of a package, which trims the length from the bag mouth closing part of the package.

[0002]

[Prior art]

 As a device for cutting a closed portion of a package, it is known as Japanese Utility Model Laid-Open No. 6-25105. However, when the package is transported by the package pressing part with the concave groove of the package transport chain, and the package closing part is cut by the inclined cutter blade, the concave part and the cutter blade hit the practical machine. Many breakage of the cutter blade was not practical.

[0003]

[Problems to be solved by the invention]

 The purpose of the present invention is to close the bag mouth when forming the closed part of the package, and to cause the concave groove protruding from the outer periphery of the transport chain to act on the cutter blade at right angles to the transport direction, thereby causing the cutter blade to hit the cutter blade. Is severely damaged and cannot be used even with a simple chain guide. An object of the present invention is to provide a device for preventing breakage of a cutter in a device for cutting a closed portion of a package body which is continuously and integrally provided with such a bag closing device.

[0004]

[Means for Solving the Problems]

 The purpose of the present invention is to close the bag mouth when forming the closed part of the package, and to cause the concave groove protruding from the outer periphery of the transport chain to act in the direction perpendicular to the transport direction, thereby forming the cutter blade. The blade is severely damaged. A holding belt that holds the front end of the bag opening of the package and moves in synchronization with the conveyor, and is disposed between the holding belt and the conveyor, and the front end of the bag opening of the packing body. A transport chain that supports between the bag mouth closing portion and moves in synchronization with the conveyor and the holding belt; and a blade edge is inclined so as to approach the transport chain in the traveling direction of the transport chain. A package pressing portion is provided at an appropriate interval on an outer surface of the transport chain, and the package pressing portion is provided with a cutter blade fixed along the transport direction. The above problem is solved by providing a pressing portion plan inner plate for guiding the pressing portion of the package on the cutter blade center line in the cutting device for closing the package formed along the direction.

[0005]

[Embodiment of the invention]

 When the package transported by the conveyor, the transport chain, and the holding belt enters below the cutter blade, the package moves while being guided by the package guide plate provided between the transport conveyor and the bag mouth closing portion. are doing. Since the package is drawn toward the package guide plate at right angles to the transport direction by the squeezing action of the bag mouth closing portion, the package chain pressing groove of the package pressing portion is not damaged by interference with the cutter blade. The inside of the concave groove is transported while being guided by the pressing portion guide plate fixed on the center line of the cutter blade. The package is sandwiched between the concave portion of the conveyor chain guided by the pressing portion guide plate and the cutter blade, and the cutter blade cuts the bag opening to a predetermined length from the bag closing portion. At this time, the cutter blade that has cut the package passes through the concave groove of the pressing portion.

[0006]

【Example】

 Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. In FIG. 1, a package cutting device 1 for closing a package includes a conveyer 3 on which a storage portion 8 of a package 2 in which articles such as vegetables and confectionery are stored is placed, guided by a package guide plate 20, and conveyed horizontally. And a holding belt 4 that sandwiches the bag mouth tip of the package 2 from above and below and rotates in synchronization with the conveyor 3 in parallel, and is disposed in parallel between the holding belt 4 and the conveyor 3, respectively. The first and second transport chains 5 and 6 that support the package 2 from below and rotate in synchronization with the conveyor 3 and the holding belt 4 and the first transport chain 5 have a first cutting edge. A cutter blade 7 that is inclined so as to approach the first transport chain 5 in the traveling direction of the transport chain 5 and is fixed along the transport direction of the first transport chain 5 and is fixed on the same center line as the cutter blade. Pressed part guide plate and more That.

[0007] The conveyor 3 places the storage portion 8 of the package 2 thereon, rotates on an endless track, and transfers the storage portion 8 of the package 2 in the horizontal direction along the arrow a.

The holding belt 4 is disposed in parallel with a gap from one side of the conveyor 3, and as shown in FIG. 3, is driven by pulleys 9, 10 rotating in opposite directions to each other, and at the same time, facing each other. The upper and lower V-belts 11 and 12 sandwich the front end of the package 2 to transfer the front end of the bag opening of the package 2 in the direction of arrow a at the same speed as the conveyor 3.

The first transport chain 5 is disposed parallel to the holding belt 4 between the conveyor 3 and the holding belt 4, and shares a rotating shaft with a pulley 10 for driving a lower V-belt 12. A roller chain wound around one of the two chain sprockets 18 is provided, and the package pressing portions 13 are protruded from the outer surface of the roller chain at appropriate intervals. Is formed along the package transport direction, and the bottom surface of the concave groove 14 is formed on the upper surface of the first transport chain 5.

The second transport chain 6 is disposed parallel to the conveyor 3 between the conveyor 3 and the holding belt 4, and is formed of a roller chain wound around the other side of the chain sprocket 18. On the outer surface, the package pressing sections 15 are provided at appropriate intervals so as to be arranged in the same row as the package pressing section 13 of the first transport chain 5. In addition, a bag closing device (not shown) such as a bundling device or a heat seal device for closing the bag mouth is provided in a process preceding the device 1 for cutting the package closing portion.

On the cutting blade side of the cutter blade 7, a groove guide plate 19 that protects the cutter blade 7 and regulates the movement of the package 2 inside the concave groove above the package pressing unit 13 of the first transport chain 5. Is provided. Further, the cutter blade 7 is inclined along the transport direction of the first transport chain 5 so as to approach the first transport chain 5 in the traveling direction, and is pressed against the cutting blade side of the cutter 7. The groove 13 guides the package pressing portion 13 so that the groove 13 does not hit the cutter blade due to the force perpendicular to the traveling direction acting on the package 13 by the external force of the squeezing operation of the package 2. The plate 19 is fixed and configured to stably cut the package 2.

Next, a description will be given of a method of using the apparatus 1 for cutting a closed portion of a package. The package 2 in which vegetables, confectionery, etc. are packed inside a synthetic resin bag is inserted into a bag closing device such as a binding device or a heat sealing device, and the bag closing device is closed slightly inside the bag mouth tip by the bag closing device. The storage portion 8 is formed on the conveyor 3, and is conveyed while being guided by the package guide plate 20. The front end of the bag mouth of the package 2 is sandwiched by the sandwiching belt 4, and the first and second portions are further formed. The package 2 is placed on the second transport chains 5 and 6 and transported downstream in the transport direction.

When the package 2 approaches the cutter blade 7, the support plate 17 pushes the package 2 from above to prevent the package 2 from rising, and the outside of the bag opening closing portion 16 of the package 2 is slightly outside the cutter blade. 7 and the upper surface of the first transport chain 5, and is cut by the cutter blade 7. At this time, if the storage portion 8 of the package 2 tries to move backward due to the resistance of the cutter blade 7 and the support plate 17, the package pressing portions 13, 15 protruding from the upper surfaces of the first and second transport chains 5, 6. Presses the package 2 in the direction of the arrow a to suppress the reverse movement, and the cutter blade 7 that cuts the package 2 passes through the concave groove 14 of the package pressing section 13 to make the next package 2 the same. The package 2 thus cut is conveyed to the next step by the conveyor 3, and the cutting waste is conveyed to another path by the holding belt 4.

Although the distance between the bag mouth closing portion 16 and the cutter blade 7 varies depending on the size of the package 2, it is usually preferably 10 to 15 mm.

Further, the conveyor 3, the holding belt 4, and the transport chains 5, 6 are vertically mounted, and shelves are protruded from the outer surface of the conveyor 3 at appropriate intervals. A device for preventing a cutter blade from being damaged can also be installed in a device for cutting a closed portion of a package, in which the package 2 is placed on 15 and cut while being transported in the vertical direction.

[0016]

[Effect of the Invention] According to the device for preventing the cutter blade from being damaged in the apparatus for cutting a closed portion of a package of the present invention, the package is transferred while guiding the package pressing portion protruded by the transport chain in a stable state. By doing so, the package comes into stable contact with the cutter blade, and the length of the package body from the bag mouth closed part can be automatically trimmed to a certain length, and the cutter blade presses the package body. The package is pressed against the transport chain by the inclination without hitting any part, and the package is reliably cut, eliminating the need for quick replacement due to damage to the cutter blade and extending the life of the blade. It became possible to make the most of it.

[Brief description of the drawings]

FIG. 1 is a perspective view of an apparatus for cutting a closed part of a package body according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of an apparatus for cutting a closed portion of a package body according to an embodiment of the present invention.

FIG. 3 is a side view of an apparatus for cutting a closed portion of a package body according to an embodiment of the present invention.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 Closed section cutting device for package 2 Package 3 Conveyor 4 Nipping belt 5 First transport chain 6 Second transport chain 7 Cutter blade 8 Storage portion 9,10 Pulley 11,12 V belt 13,15 Package pressing portion DESCRIPTION OF SYMBOLS 14 Concave groove 16 Bag mouth closing part 17 Support plate 18 Chain sprocket 19 Guide plate 20 Package guide plate

Claims (1)

[Utility model registration claims] 1. A conveyor for transferring a storage portion of a package formed with a bag mouth closing portion, a holding belt for holding a bag mouth tip of the package and moving in synchronization with the conveyor.
A transport chain that is disposed between the holding belt and the conveyor, supports between the bag mouth tip and the bag mouth closing portion of the package, and moves in synchronization with the conveyor and the holding belt; A cutter blade whose blade edge is inclined so as to approach the transport chain in the traveling direction of the transport chain and is fixed along the transport direction of the transport chain; and a package body is pressed at appropriate intervals on the outer surface of the transport chain. Wherein the package pressing portion is fixed along the conveying direction on the center line of the cutter blade so as to prevent the cutter blade from hitting when the package pressing portion moves. A cutter blade breakage prevention device in a part cutting device.