JPH0560984B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a crusher for crushing needle-equipped syringes, ampoules, etc. made of glass or synthetic resin.

[Prior Art] In recent years, infection by pathogenic bacteria from needles and syringes has become a problem, and in order to deal with this, there is a need for a crusher for crushing syringes and the like used in medical institutions. In view of these circumstances, a crusher for syringes, etc. is constructed in which multiple receiving blades are fixed to the machine housing, shearing blades are provided at positions corresponding to the cylindrical receiving blades, and the receiving blades and shearing blades are spaced apart from each other. is proposed in Japanese Patent Application Laid-Open No. 176557/1983.

[Problems to be Solved by the Invention] In the above-mentioned conventional technology, the syringes etc. inserted from the input port are crushed by the crushing section consisting of the receiving blade and the shearing blade and then stored in the storage box. In many cases, they pass through the crushing section without being crushed and are stored in storage boxes, and when they are discarded, there is a problem in that hands and fingers are punctured with needles and the like, resulting in infection.

Therefore, an object of the present invention is to provide a crusher that can prevent punctures caused by injection needles and the like.

[Means for Solving the Problems] The present invention provides a crusher in which the crushed material inputted from the input section is crushed in the crushing section, and then the crushed crushed material is carried out from the discharge section. A bending portion having a plurality of pairs of bending teeth whose tip portions are formed on the outer periphery and whose tip portions are always engaged with each other is provided at the lower part of the crushing portion, and the plurality of pairs of bending teeth are one pair. are fixed in series to the rotating shafts of the pair, and to at least one of the pair of rotating shafts,
A series of bent teeth coupled to rotational driving means for rotationally driving the bent teeth in the meshed state and fixed to the rotating shaft rotates the tips of adjacent bent teeth in the circumferential direction on the rotating shaft. They are configured by shifting the phase.

[Function] With the above configuration, a syringe needle or the like that has fallen into the bent portion is sent between the tip portions of the plurality of pairs of bent teeth which are rotated by the rotational driving means and are constantly in mesh with each other.
After being bent and formed by tooth tip portions provided with a phase shift in the circumferential direction, it is stored in the discharge section.

[Example] Hereinafter, an example of the present invention will be described with reference to the accompanying drawings.

2 to 12 show a first embodiment of the present invention, 1 is a machine body, and an input port 2 is provided on the front side of the upper surface of the machine body.
An outer lid 4 is supported on the inlet 2 via a pivot 3 so as to be openable and closable in the vertical direction. Further, in the vicinity of the pivot shaft 3, there is a first switch 6, which is turned on when the outer cover 4 is opened by an operating piece 5 provided on the outer cover 4, and which stops the cutter and opens the inner cover, which will be described later. A second switch 8, which is turned on when the outer cover 4 is closed by 7, closes the inner cover, which will be described later.
and is provided.

Reference numeral 9 denotes a rectangular tube-shaped input hopper located at the lower part of the input port 2 and fixed to the machine body 1. A packing 10 is attached to the upper opening edge of the input hopper 9, and the upper end A wiper blade 10A is provided protruding from the rear side. Further, upper fixed rails 11 are provided on both sides of the input hopper 9, and an inner lid 13 is provided on the upper fixed rails 11 so as to be slidable in the front and back direction via a plurality of rollers 12. By sliding the input hopper 9, the upper end opening of the input hopper 9 is opened and closed via the gasket 10. Further, a lower fixed rail 14 is provided below the upper fixed rail 11,
A movable rail 15 is slidably provided on the lower fixed rail 14, and a bracket 16 is fixed to the movable rail 15 in correspondence with the roller 12. A support shaft 18 is supported so as to be movable up and down. Further, an inner cover opening/closing motor 19 is provided behind the input hopper 9, and a link 21 is supported on a support plate 20 fixed in the body 1 so as to be horizontally rotatable via a support shaft 22. , the inner cover opening/closing motor 19 and the support shaft 22 are connected to a belt 23 and a pulley 24.
are connected via. Further, a connecting rod 25 is connected to the tip of the link 21 by a pivot 26, and the tip of the connecting rod 25 is connected to the lower surface of the inner lid 13 by the pivot 26.
7. Further, a stopper 28 is provided on the receiving plate 20 when the link 21 rotates in the forward direction and in the reverse direction, and a stopper 28 is provided on the front side of the body 1 to be turned on by the moving rail 15 when the inner cover 13 is closed. A third switch 29 that rotates the cutter and stops the motor 19 for opening and closing the inner lid is provided on the rear side of the body 1, and is turned on by the moving rail 15 when the inner lid 13 is opened. A fourth switch 30 is provided to stop the motor 19.

In addition, there are a plurality of nozzles 31 in the input hopper 9.
A container 33 containing a disinfectant solution 32 is connected to this nozzle 31 via a hose 34, and an electromagnetic pump 3 is connected to this nozzle 31.
5 is provided.

36 is a crushing unit provided at the lower part of the input hopper 9, and this crushing unit 36 has a pair of main body casings 37 and a pair of side casings 38, each having an arcuate shape. By integrally fixing the casing 38 with a plurality of screws 39, a supply port 40 having the same shape and size as the lower end opening of the charging hopper 9, a discharge port 41 smaller than the supply port 40, and the charging hopper 9 and a hollow portion 42 communicating with the hollow portion 9 is formed. Moreover, the hollow part 42 of the crushing unit 36
A pair of rotating shafts 43 and 44 are provided horizontally and parallel to each other at the center of the arc surface of each main body casing 37, and each rotating shaft 43 and 44 is supported by a bearing 45 provided on the side casing 38. Rotatably supported. In addition, each rotating shaft 43,
44, a plurality of circular rotary blades 46, 47 and a plurality of collars 48, 49 having the same thickness as the rotary blades 46, 47 are integrally assembled and fixed via a key part 50, and one Each rotating blade 47 fixed to the other rotating shaft 44 is located between each rotating blade 46 fixed to the rotating shaft 43, and both rotating blades 4
6 and 47 sides overlap each other. Moreover, two concave blade parts 51, 51A, 52, 52A are provided at equal intervals on the outer periphery of each rotary blade 46, 47, and these concave blade parts 51, 51A,
52 and 52A are linearly aligned along the axial direction when viewed from a plane. Further, the concave blade portions 51, 51A of one rotary blade 46 and the concave blade portions 52, 52A of the other rotary blade 47 are at positions shifted by an angle α, for example α=90°, with respect to the center line l of the hollow portion 42. It is arranged like this. Also, gears 53, 53A having the same number of teeth are fixed to one end of each rotating shaft 43, 44 outside the side casing 38.
A are intermeshed. Further, a large-diameter reduction gear 54 is fixed to the other end of one rotating shaft 43 outside the side casing 38, and this reduction gear 54
A crushing motor 55 is connected to the crushing motor 55 via a small-diameter intermediate gear 54A.
The crushing motor 55 is driven to rotate the rotary blades 46, 47 inwardly at the same speed.

Reference numeral 57 denotes a bending unit provided at the lower part of the crushing unit 36. This bending unit 57 is smaller than the crushing unit 36, and has a pair of main body casings 58 and a pair of side casings each having an arc shape. 59. Furthermore, by integrally fixing the main body casing 58 and the side casing 59 with a plurality of screws 60, the supply port 61 and the discharge port 62, which are substantially the same in shape and size as the discharge port 41, and the hollow portion 42 can be connected to each other. A communicating hollow portion 63 is formed. Further, a pair of rotating shafts 64 and 65 are provided in the hollow portion 63 of the bending unit 57 horizontally and parallel to each other, and are located at the center of the circular arc surface of each main body casing 58. It is rotatably supported by a bearing 66 provided on the side casing 59. A plurality of bent teeth 67 and 68 are integrally and serially fixed to each rotating shaft 64 and 65 by a key portion 69. The bent teeth 67, 68 each have a cutting edge portion 70 with the same number of teeth, and the adjacent bent teeth 67, 68 are assembled and fixed with a phase shift in the circumferential direction by half a tooth. The tooth tips 70 of the opposing bent teeth 67, 68 are always in mesh with each other. Further, a gear 71 is fixed to one rotating shaft 64 outside the side casing 59, the intermediate gear 54A is meshed with this gear 71, and the bending teeth 67 are rotated inwardly by the crushing motor 55. The bent teeth 68 are designed to rotate inward due to the meshing of the tooth tip portions 70, and the crushing motor 55, which is a rotational drive means, is connected to the rotating shaft via the gears 56, 54A, 71. 64. Further, a fall guiding hopper 72 is fixed to the lower part of the bending unit 57 in communication with the hollow part 63.

Reference numeral 73 denotes a front plate forming a part of the front surface of the fuselage 1, and the outer surface of this front plate 73 is provided with a handle 74, and the inner surface is provided with a planar U-shaped outer frame 7.
5 is provided. Further, the outer frame 75 can be moved in and out along the guide rail 76 integrally with the front plate 73. Guide parts 77 are provided in the upper four sides of this outer frame 75, and each guide part 77 is provided with a sliding rod 78 so as to be movable up and down.
A stopper 79 is fixed to the upper part of the slider 79, and a spring 80 is wound around a sliding rod 78 located between the stopper 79 and the guide portion 77, and the sliding rod 78 is urged upward by the spring 80. At the same time, the sliding rod 78 is adapted to be locked to the guide portion 77 by a stopper 81 at the lower end thereof. In addition, a receiving plate 8 is provided between the upper ends of the pair of sliding rods 78 at the front.
2 is fixed, and a receiving plate 83 is fixed between the upper ends of the pair of sliding rods 78 at the rear. Further, a fifth switch 84 for stopping the crushing motor 55 is provided below the stopper 79, thus forming a full detection section 85.

Reference numeral 86 denotes a housing receiving frame, and this housing receiving frame 86 is attached to the outer frame 75 along rollers 87 provided on the outer frame 75.
The accommodation receiving frame 86 is mounted within the outer frame 75 by being inserted into the outer frame 75 and a flange 88 provided at the upper end of the accommodation receiving frame 86 being engaged with the receiving plates 82 and 83. Further, the upper end of the storage frame 86 has a presser roller 89 at the lower end and a lever 9 at the upper end.
0 is rotatably supported by a pivot 92 and biased to rotate inwardly by a spring 93, and the upper end edge of the storage bag 94 accommodated in the storage receiving frame 86 is clamped and fixed between the press roller 89 and the inner surface of the receiving frame 86.

Reference numeral 95 denotes a receiving tray located at the lower part of the drop guide hopper 72 and provided so as to be movable in the front and rear directions;
A moisture-absorbing material 96 is provided on the inner surface of this saucer 95, and an end of a link 98 connected to the fuselage 1 side via a pivot 97 is connected to the rear of the saucer 95 via a pivot 99. Further, a roller 101 pivotally supported on the lower end of an arm rod 100 vertically disposed on the lower surface of the saucer 95 comes into contact with a contact plate 102 protruding from the upper rear end of the outer frame 75. Further, the saucer 95 is urged forward by a spring 103.

Next, the operation of the above configuration will be explained.

First, a power switch (not shown) is turned on, and when the outer cover 4 is opened, the first switch 6 is turned on, the inner cover opening/closing motor 19 is driven, the inner cover 13 is moved horizontally, and the slot 2 is opened. In this state, when a resin syringe 104 with a needle 104A is inserted from the input port 2, the syringe 104 falls through the input hopper 9 into the crushing unit 36 and is sterilized by being intermittently sprayed from the nozzle 31. It is disinfected by the liquid 32. After that, when the outer cover 4 is closed, the second switch 8 is turned on and the inner cover opening/closing motor 1 is turned on.
9 rotates in the reverse direction, the inner lid 13 is closed, the third switch 29 is turned on, and the crushing motor 55 is driven. As a result, the pair of rotary blades 46 and 47 rotate inward to rotate the syringe 104 and the injection needle 104A.
The injection needle 104A falls into the bending unit 57 as it is crushed, and the injection needle 104A that falls without being crushed is attached to the tip of a pair of bending teeth 67, 68 that constantly mesh with each other and rotate inwardly. 70 and is bent and formed by the tooth tips 70 having a phase difference, and then passed through the fall guiding hopper 72 and stored in the storage bag 94 together with the disinfectant liquid 32 and blood.
When the inside of the storage bag 94 becomes full, the storage frame 86 is lowered by its weight against the bias of the spring 80, and the fifth switch 84 is turned on to stop the crushing motor 55. Then, the front plate 73 and the outer frame 7
5 is pulled out of the machine body 1 together with the accommodation receiving frame 86, and after the accommodation bag 94 is replaced, it is set in the machine body 1 again.

Next, the function of the bent portion will be explained.

The intermediate gear 54 is driven by the crushing motor 55.
Inward rotation is applied to the bent tooth 67 via the gear 71 and the gear 71, and inward rotation is also applied to the bent tooth 68 by the meshing of the tooth tips 70. The syringe 104 that has passed through the crushing unit 36,
The injection needle 104A falls into the bending unit 57 as shown in FIG. The broken syringe 104 is bent and formed as shown in FIG. It is crushed by the bent teeth 67 and 68 and falls.

14 and 15 show a second embodiment of the present invention. In this example, a syringe 112 with a needle 111 inserted from an inlet 110 is crushed by a crushing section 115 consisting of a fixed blade 113 and a rotating blade 114. ,
Furthermore, the injection needle 111 is sent to the bending part 116 and bent, and then dropped and stored in the storage box 117.
8, 119, a plurality of bent teeth 120, 12, respectively.
1 are fixed in a mutually meshed state, and each bent tooth 1
20 and 121 have a plurality of tooth tips 122 on their outer peripheries, and are fixed with a phase shift in the circumferential direction by 1/3 pitch of each tooth. The injection needle 111 is bent by a tooth tip 122 having a phase difference of 1/3 pitch of one tooth as the pair of bending teeth 120, 121 rotate inward.

Note that the present invention is not limited to the above-mentioned embodiments, and various modifications can be made within the scope of the gist of the present invention. For example, the overall structure of the crusher and the structure of the crushing section can be applied to various types. Further, the number of bending teeth of the bending unit, the shape of the tooth tips, and the pitch of the phase difference may be appropriately selected.

[Effects of the Invention] The present invention provides a crusher in which the crushed material inputted from the input section is crushed in the crushing section and then the crushed crushed material is carried out from the discharge section, in which a plurality of tooth tips are connected to the outer periphery. A bent portion having a plurality of pairs of bent teeth formed in the shape of a cylindrical shape and whose tip portions are always in mesh with each other is provided at the lower part of the crushing portion, and the plurality of pairs of bent teeth are connected to a pair of rotating shafts. are fixed in series, and on at least one of the pair of rotating shafts,
A series of bent teeth connected to rotational drive means for rotationally driving the bent teeth in the meshed state and fixed to the rotating shaft rotates the tips of adjacent bent teeth in the circumferential direction on the rotating shaft. The needles, etc., that fall into the bent part are sent between the tips of the folded teeth, which are constantly in mesh with each other and rotate, and the needles are arranged with their phase shifted in the circumferential direction. Since the tooth tips are bent, it is possible to provide a crusher that can prevent punctures caused by injection needles or the like.

[Brief explanation of the drawing]

Fig. 1 is a schematic explanatory diagram of the present invention, Fig. 2 is an overall vertical cross-sectional view, Fig. 3 is an overall perspective view, Fig. 4 is a sectional view showing the outer cover and inner cover, and Fig. 5 is an opening and closing of the inner cover. A plan view showing the structure, Fig. 6 is a sectional view taken along the line A-A in Fig. 4, and Fig. 7
The figure is an enlarged sectional view of the crushing unit and the folding unit, Figure 8 is an exploded perspective view of the crushing unit and the folding unit, Figure 9 is a cross-sectional plan view of the crushing unit, and Figure 10 is a partial cutaway of the folding unit. Perspective view,
Fig. 11 is a partially cutaway perspective view showing the operating state of the saucer, Fig. 12 is an enlarged vertical sectional view showing the operating state of the saucer, Figs. 13A and B are front views showing the operating state of the bending part, 14 and 15 show a second embodiment of the present invention, with FIG. 14 being a schematic illustration and FIG. 15 being a front view. 2,110...Input port (input part), 36...Crushing unit (crushing part), 115...Crushing part, 55
...Crushing motor (rotation drive means), 57...Bending unit (bending part), 116...Bending part, 67,
68, 120, 121...bent tooth, 70, 122
... Tooth tip section, 94 ... Storage bag (discharge section), 117
... Storage box (discharge section), 64, 65, 118, 1
19...Rotating shaft, 104, 112...Syringe (crushed product), 104A, 111...Syringe needle (crushed product).

Claims (1)

[Claims] 1. In a crusher in which the crushed material inputted from the input section is crushed in the crushing section and then the crushed crushed material is carried out from the discharge section, a plurality of tooth tips are formed on the outer periphery and mutual tooth tips are formed. A bending part having a plurality of pairs of bending teeth whose parts are always engaged is provided at the lower part of the crushing part, and the plurality of pairs of bending teeth are each fixed in series to a pair of rotating shafts. With,
At least one of the pair of rotating shafts is connected to a rotational driving means for rotationally driving the bent teeth in the meshed state, and a series of bent teeth fixed to the rotating shaft are adjacent to each other on the rotating shaft. A crusher characterized in that the tooth tips of the bent teeth are provided with a phase shift in the circumferential direction.