JP5265320B2 - Bag breaker - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily and safely perform the removal of bag breaking pieces tangled in a blade and the inspection and adjustment of the blade. <P>SOLUTION: A horizontal rotary shaft 2 is pivoted to and fro inside a bag breaking chamber 1 whose upper and lower parts are opened, a plurality of rotary blades 3 projecting to a radial direction are pivotally mounted to the rotary shaft 2 at prescribed intervals, a motor 4 rotating the rotary shaft 2 to the forward and reverse directions is provided, the right and left sidewalls in the bag breaking chamber 1 are opened, and the opening parts are provided with side plates 1c, 1d freely openably/closably. The inside face of the side plate 1c is provided with fixing blades 5 projectingly so as to be arranged alternately with the rotary blades 3, the inside face of the side plate 1d is provided with movable blades 6 so as to be arranged alternately with the rotary blades 3, and a spring mechanism 7 energizing the movable blades 6 to the upper part is provided. The side plates 1c, 1d are provide by two bodies to and fro, the upper and lower edges of the respective side plates 1c, 1d are pivoted to the sidewalls of the bag breaking chamber 1 by hinges 1e, and it is made into a structure openable/closable in a double door state. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a bag breaking machine that breaks a bag body filled with an article and separates the bag into a broken piece and an article.

  A conventional bag breaker is disclosed in Patent Document 1. In this technology, a horizontal rotating shaft is supported back and forth in a bag opening chamber opened up and down, and a plurality of rotating blades protruding radially are attached to the rotating shaft at predetermined intervals. Drive means that swings in the direction is provided, and a plurality of blades are projected on the inner surfaces of the left and right side walls of the bag-breaking chamber so as to be alternately aligned with the rotary blades, and the blades on one side wall are retracted outward when overloaded. It is characterized in that a spring mechanism is provided.

  According to this technique, a bag body packed with articles is thrown from above and shear broken with a rotary blade and side wall blades, separated into broken bag pieces and articles and discharged from below, This is to facilitate the separation work of articles. In addition, when the bag breakage piece is entangled with the blade during operation and an overload acts, it can be solved by reverse rotation of the rotating shaft or by retracting the blade on the side wall to the outside, and it can be operated without stopping. .

By the way, in the above technique, when cleaning, the operation is stopped and the tangled broken bag pieces are manually removed. At this time, the hand is removed from above or below the bag breaking chamber, and the blade and blade are removed. Because of the small gap, the work was cumbersome and inefficient, and there was a risk of injury, which was dangerous. In addition, the inspection and adjustment of the blades were similarly difficult and dangerous.
JP 2006-61752 A

  The problem to be solved by the present invention is to solve these conventional problems, and to make it possible to easily and safely remove the broken bag pieces entangled with the blade and inspect and adjust the blade.

The configuration of the present invention that solves this problem is as follows.
1) A bag breaker that throws a bag filled with articles from above and breaks the bag, separates the bag into broken pieces and articles and discharges it from below, with the upper side being the inlet and the lower side being the outlet A driving means for rotating a rotating shaft by supporting a horizontal rotating shaft back and forth in a bag-breaking chamber open at the top and bottom, attaching a plurality of rotating blades protruding radially to the rotating shaft at predetermined intervals. the provided allows opening and closing a part of the left and right side walls of the bag breaking chamber, characterized in that projecting so as to be arranged a plurality of blades on the inner surface of the openable side wall section to the rotary blade and alternately, moreover lateral One side wall blade is a fixed blade and the other side wall blade is a movable blade that can move up and down, and is provided with urging means for urging the movable blade upward. rotate the direction of the fixed blade, overload is to be able to reverse the rotation direction of the movable blade, breakage machine 2) open The bag breaker according to 1), wherein two possible side wall portions are provided on the front and rear sides, and the upper and lower ends of each side wall portion are pivotally supported by hinges on the front and rear ends of the side wall of the bag breaking chamber so as to be opened and closed in a double-folded manner. 3) The drive means is provided with detection means for detecting overload, and when the detection means detects overload, it is provided with control for automatically rotating the rotating shaft in the reverse direction, either 1) or 2) bag rupture machine 4) rotating blade crab described, is obtained by axially attached to shift the angle blades projecting one by one axis, is in the 1) to 3) breakage machine according any .

According to the present invention, when removing the broken bag piece entangled with the blade, the driving means is stopped to open the side wall portion. Since there are blades on the inner surface of the open side wall, the gap between the blades and the blades that are alternately lined up can be easily removed, and the entangled bag breakage pieces can be easily removed, and hands can be inserted in narrow spaces. So you can work safely. In addition, the inspection and adjustment of the blade can be performed easily and safely with the side wall portion opened as described above. Furthermore, when the bag breakage piece is entangled and overload is applied, it reversely rotates and the entanglement is eliminated, and if a large load is applied to the movable blade during reverse rotation, the movable blade is pushed down and the broken bag piece is discharged smoothly. Can be operated without interruption.

In this invention, when the structure of Claim 2 is provided, when opening the front and back side wall parts, a large opening part can be obtained, and the work becomes easier. As the opening / closing structure of the side wall, there are a method of swinging the bottom end, a method of pivoting the lower end and opening the front side downward, and a method of removing the side wall . When provided with a configuration of 請 Motomeko 4, hardly breakage pieces entangled, load also becomes small load is distributed. The rotary blade can be a 3-blade or 4-blade in addition to a 2-blade. Embodiments of the present invention will be specifically described below with reference to the drawings.

  1 is a plan view of the bag-breaking machine of the embodiment, FIG. 2 is a side view of the bag-breaking machine of the embodiment, FIG. 3 is a longitudinal sectional view of the bag-breaking machine of the embodiment, and FIG. FIG. 5 is an explanatory view showing the opening of the side plate of the embodiment.

  In the figure, 1 is a bag opening chamber, 1a is an inlet, 1b is an outlet, 1c and 1d are side plates (side walls that can be opened and closed), 1e is a hinge, 1f is a seal, 1g is a slit, 1h is a bolt, Rotating shaft, 3 is a rotating blade, 4 is a motor (drive means), 5 is a fixed blade, 6 is a movable blade, 6a is a support member, 7 is a spring mechanism (biasing means), 7a is a spring, 7b is a guide, 7c Is an angle, 7d is a cover, A is a bag, a is a broken bag piece, and B is an article.

  As shown in FIGS. 1 to 3, the bag breaking machine of this embodiment has a structure in which the bag breaking chamber 1 is open at the top and bottom with the inlet 1 a at the top and the outlet 1 b at the bottom. The horizontal rotating shaft 2 is supported in the front-rear direction, and the 13 rotating blades 3 projecting in the radial direction are axially attached to the rotating shaft 2 at an angle of 10 degrees so that the rotating shaft 2 is forward and backward. A motor 4 with a reduction gear to be rotated is attached to the end of the bag breaking chamber 1. The motor 4 includes an inverter that can detect torque, and includes a control that reversely rotates when an overload (overtorque) is detected by the inverter, and then returns to normal rotation after a predetermined time has elapsed.

  The left and right side walls of the bag-breaking chamber 1 are opened, and two side plates 1c and 1d are pivotally supported in the respective openings so that they can be opened and closed by a hinge 1e. On the inner surface of the side plate 1 c, twelve fixed blades 5 are provided so as to be alternately arranged with the rotary blades 3. The side plates 1d are opened and attached with vertically long rubber seals 1f arranged side by side, and twelve movable blades 6 are respectively passed through slits 1g formed between the adjacent seals 1f so that they are alternately arranged with the rotary blades 3. A spring mechanism 7 is attached to the outside of the side plate 1d so as to be supported by the support member 6a and to urge the support member 6a upward and downward.

  The spring mechanism 7 fixes the support member 6a to the upper part of the spring 7a, and the upper part of the spring 7a is slidably fitted to the vertical guide 7b. The guide 7b is attached to the side plate 1d at an angle 7c, and the spring 7a Is fixed to the lower portion of the angle 7c. The cover 7 d is a cover for the spring mechanism 7. The movable blade 6 is located at substantially the same height as the rotary shaft 2 when there is no load.

  In this embodiment, when the side plates 1c and 1d are fixed and closed with bolts 1h and the motor 4 is operated, the rotary blade 3 rotates clockwise as shown in FIG. 4 (a). When a bag body A filled with an article B such as a PET bottle is introduced from the insertion port 1a, the bag A is bitten between the rotary blade 3 and the fixed blade 5 and sheared, and the broken piece a and the article B are discharged from the outlet. It is discharged from 1b. Since the rotary blades 3 are pivotally attached at different angles one by one, the broken bag pieces a are not easily entangled, and the load is dispersed and the load is small.

  When the torn bag piece a gets tangled and the rotating blade 3 becomes difficult to rotate, the overload is detected and the motor 4 rotates in the reverse direction. As shown in FIG. 4B, the rotating blade 3 rotates counterclockwise. The broken bag piece a which is entangled by rotating in the direction of movement moves toward the movable blade 6. The transferred bag breaking piece a is bitten between the rotary blade 3 and the movable blade 6, is sheared and is discharged. Further, when a large load is applied during shearing, the movable blade 6 is pushed down downward and smoothly discharged so as to escape the broken bag piece a, and can be operated without stopping.

  At the time of cleaning, the motor 4 is stopped, the bolt 1h is removed, and the side plates 1c and 1d are opened as shown in FIG. Since the inner surfaces of the side plates 1c and 1d have the fixed blade 5 and the movable blade 6, the broken bag pieces a that are entangled with a large gap between the blades arranged alternately can be easily removed. You can work safely without putting your hand in a narrow space. Further, the inspection and adjustment of the rotary blade 3, the fixed blade 5 and the movable blade 6 can be performed easily and safely with the side plates 1c and 1d being opened as described above.

  The technology of the present invention is used for the purpose of separating and collecting garbage bags filled with articles such as PET bottles and cans in waste disposal.

It is a top view of the bag breaker of an Example. It is a side view of the bag breaker of an Example. It is a longitudinal cross-sectional view of the bag breaker of an Example. It is explanatory drawing which shows the use condition of the bag breaker of an Example. It is explanatory drawing which shows opening | release of the side plate of an Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Bagbreak chamber 1a Input port 1b Discharge port 1c, 1d Side plate (side wall part which can be opened and closed)
1e Hinge 1f Seal 1g Slit 1h Bolt 2 Rotating shaft 3 Rotating blade 4 Motor (drive means)
5 fixed blade 6 movable blade 6a support member 7 spring mechanism (biasing means)
7a Spring 7b Guide 7c Angle 7d Cover A Bag body a Broken bag B Article

Claims (4)

A bag-breaking machine that throws a bag body filled with articles from above and breaks the bag, separates the bag into broken pieces and articles and discharges from below, with the upper side being the inlet and the lower side being the outlet There is provided a drive means for rotating a rotating shaft by supporting a horizontal rotating shaft back and forth in a bag opening chamber open at the top and bottom, attaching a plurality of rotating blades protruding radially to the rotating shaft at predetermined intervals. allows opening and closing a part of the left and right side walls of the bag breaking chamber, characterized in that projecting so as to be arranged a plurality of blades to the rotary blade and alternately on the inner surface of the openable side wall section, moreover one of the left and right The blade on the side wall is a fixed blade, and the blade on the other side wall is a movable blade that can move up and down, and is provided with urging means for urging the movable blade upward. A bag-breaking machine that can be rotated in the direction of, and can be rotated backward in the direction of the movable blade when overloaded .   The breakage according to claim 1, wherein two side walls that can be opened and closed are provided on the front and rear sides, and the upper and lower ends of each side wall are pivotally supported by hinges on the front and rear ends of the side wall of the bag breaking chamber and can be opened and closed in a double-spread manner. Bag machine. 3. The drive unit according to claim 1, wherein the drive unit includes a detection unit that detects an overload, and the detection unit includes a control that automatically reversely rotates the rotating shaft when the overload is detected . Bag-breaking machine. The bag breaker according to any one of claims 1 to 3, wherein the rotary blade is mounted so that the protruding blades are axially shifted in the axial direction one by one .

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