JPH0222043Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] The present invention relates to a bag tearing machine, and particularly to tearing bags such as plastic bags loaded with recyclable non-combustible waste such as metal and glass. Regarding bag machines.

[Conventional technology]

Among municipal garbage, non-combustible garbage such as metal and glass that can be recycled is collected separately.
Most of them are manually sorted and recycled at sorting stations.

[Problem that the invention attempts to solve]

However, conventionally, at the above-mentioned sorting site, plastic bags and the like for non-combustible garbage were manually cut open to separate the non-combustible garbage, which was not only inefficient but also dangerous.

Therefore, conventional bag breakers, etc., have been installed on the conveyor that transports non-combustible garbage in bags, and on the transport body or plate attached to the piston rods of multiple cylinders directly above the conveyor, and break the bags. However, the problem was that the bags could only be torn if they were uniform in size, making them impractical.

The present invention was devised in view of the above points, and an object of the present invention is to provide a bag tearing machine capable of tearing non-flammable garbage bags of all sizes.

[Means for solving problems and their effects]

In order to solve the above-mentioned problems, in the present invention, a pair of conveying bodies each having a step-shaped cutting edge on the crawler belt are installed above the side edge of the conveyor so as to be inclined in an inverted figure-eight shape. It is characterized by having a difference in the conveyance speed of the conveyor.

By adopting the above configuration, bags of non-flammable garbage of all sizes are placed on the inverted figure-eight-shaped conveyor, and depending on the conveyance speed of the conveyor, one of the step-shaped cutting blades of the crawler track is used to carry the bags. can be broken.

〔Example〕

An embodiment of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a plan view of an embodiment of the present invention, and FIG. 2 is a cross-sectional view taken from FIG. 1.

In this embodiment, a bag tearing machine A is provided at the beginning end of a conveyor 1 heading toward a sorting device or the like. As shown in FIGS. 1 and 2, the bag tearing machine A
A pair of carriers 2 and 3 are installed above a and 1b in an inverted figure-eight shape and are attached to a frame 5 via bearings and chutes 4 and 4. At the top of the frame 5, there are dropper chute 6, 6 into which garbage bags are thrown, and a motor 7 which drives transport bodies 2, 3.
Sprockets 9 and 10 are attached to the output shafts of the motors 7 and 8, and the shafts 2a and 2 of the conveyors 2 and 3 are connected via chains 11 and 12.
Rotating force is applied to the sprockets 13 and 14 fitted to the sprockets b. The transport bodies 2 and 3 have different transport speeds, with the transport body 2 rotating slowly and the transport body 3 rotating quickly. This conveyance speed difference may be set by changing the rotational speeds of the motors 7 and 8, or by adjusting the speed reducer. Transport body 2,
The crawler tracks 15 and 16 of No. 3 each have step-like steps in the width direction.
Two cutting blades 15a, 15a', 15a'', 16a, 16
a′, 16a″ are provided continuously in the longitudinal direction, and as shown in FIG.
a, 15a', 15a'' are perpendicular to the crawler track 15,
The cutting blades 16a, 16a', 16a'' on the conveyor 3 side have their back sides inclined with respect to the crawler belt 16.

With this configuration, the garbage bags put into the bag tearing machine A are transported from the hopper chute 6, 6 to the carrier 2,
3, the garbage bag is conveyed in the direction of the arrow regardless of its size, and three stages of cutting blades 15a, 15a', 1
5a'', 16a, 16a', 16a'', or the bag is torn by the cutting blades 16a, 16a', 16a'' while being caught by the cutting blades 15a, 15a', 15a''. The contents inside the bag then fall onto the conveyor 1. Cutting blade 15a, 15a', 15a'', 1
The blade shapes of the blades 6a, 16a', and 16a'' are designed at angles that make it difficult for bags to form.

[Effect of idea]

As explained above, according to the bag tearing machine of the present invention,
Non-flammable garbage bags of any size can be placed on the inverted figure-eight-shaped conveyor, and depending on the conveyance speed of the conveyor, either of the stepped cutting blades of the track can load non-flammable garbage bags of any size. can be broken.

[Brief explanation of drawings]

FIG. 1 of the embodiment is a plan view of an embodiment of the present invention.
FIG. 2 is also a cross-sectional view taken from FIG. 1. A... Bag tearing machine, 1... Conveyor, 2, 3... Conveyor, 7, 8... Motor, 9, 10... Sprocket, 11, 12... Chain, 13, 14...
Sprocket, 15, 16... Crawler, 15a, 1
5a', 15a'', 16a, 16a', 16a''...cutting blade.

Claims (1)

[Scope of utility model registration request] A pair of conveyors with step-shaped cutting blades on the crawler track are installed above the side edge of the conveyor in an inverted figure-eight shape, and the conveyance speeds of each conveyor are made to differ. Characteristic bag breaking machine.