JPH0214755A - Crusher - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] 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 published in 1986-
The embankment is proposed in Publication No. 176557.

[Problems to be Solved by the Invention] In the above-mentioned conventional technology, if the accuracy of forming and assembling the uneven blade surfaces is low, there may be too much clearance between the uneven blade surfaces or the uneven blade surfaces may collide with each other. In some cases, it became impossible to break.

Also, the twin cutter of Special Publication No. 54-4492
As a rotary screen type crusher, it is equipped with a pair of slit cutters with claws protruding from the outer periphery for drawing in the material, and the two sides of each slit cutter are brought into close contact with each other, and the two slit cutters are rotated inwardly at different speeds. It has been proposed that This solves the above-mentioned drawback of creating too much clearance between each slit cutter because both sides of each slit cutter are brought in close contact with each other, but when a large number of crushed materials are introduced, the pair of material pulling claws Since the crushed material is introduced into the biting position and crushed all at once, there is a problem in that the shearing load applied to each slit cutter is large.

Therefore, an object of the present invention is to provide a crusher capable of crushing an appropriate amount by using a pair of rotary blades alternately.

[Means for Solving the Problems] As shown in FIG. 1, the present invention has a pair of circular rotary blades whose side surfaces partially overlap each other, and each rotary blade moves inwardly at the same speed. At the same time, the crushing portion is formed by providing an opening force portion on the outer periphery of each rotary blade at a position that does not overlap during this rotation.

[Function] With the above configuration, the crushed material input from the input section is inserted into each opening section of each rotary blade and transferred inward one after another, and the crushed material in one opening section is transferred to the other rotating blade. Then, the crushed material in the other opening section is crushed between the rotating blade and one of the rotary blades.

Examples Embodiments of the present invention will be described below with reference to the accompanying drawings.

2 to 12 show a first embodiment of the present invention. Reference numeral 1 denotes a machine body, and an input port 2 is provided on the front side of the upper surface of the machine body, and an outer cover 4 is connected to the input port 2 via a pivot 3. It is supported so that it can be opened and closed in the vertical direction. In addition, an actuation piece 5 provided on the outer cover 4 is provided near the pivot shaft 3 to release the valve. ! A first switch 6 is turned on when the outer cover 4 is opened, and stops the cutter and opens the inner cover, which will be described later. A switch 8 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 a packing 10 is attached to the upper edge of the input hopper 9. A wiper blade 10A is provided protruding from the rear side.

In addition, upper fixed rails 1 are provided on both sides of the input hopper 9.
1 is provided, and an inner lid 13 is provided on the upper fixed rail 11 so as to be slidable in the front and back direction via a plurality of rollers 12. By sliding the inner lid 13, the upper end opening of the loading bar 9 is opened. The parts are opened and closed via a gasket 10.

Further, a lower fixed rail 14 is provided below the upper fixed rail 11, and a movable rail 15 is slidably provided on the lower fixed rail 14. A bracket 16 is fixed, and the roller 1 is connected to the bracket 16 through a long hole 17.
Two support shafts 18 are supported so as to be movable up and down. Further, an inner cover opening/closing motor 19 is provided at the rear of 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 lid opening/closing motor 19 and the support shaft 22 are connected to the belt 23. They are connected via a pulley 24. Further, a connecting rod 25 is connected to the tip of the link 21 by a pivot portion 26, and the connecting rod 25
5 is connected to the lower surface of the inner M13 by a pivot 27. Further, the link 21 is provided on the receiving plate 20.
A stopper 28 is provided at the forward and reverse rotation of the machine body 1, and is turned on by the moving rail 15 when the inner M13 is closed to rotate the cutter and stop the inner cover opening/closing motor 19. Third switch 29
A fourth switch 30 is provided on the rear side inside the body 1 and is turned on by the moving rail 15 when the inner cover 13 is opened to stop the inner cover opening/closing motor 19.

In addition, a plurality of nozzles 31 are provided diagonally downward in the input hopper 9, and a container 33 containing a disinfectant solution 32 is connected to this nozzle 31 via a hose 34, and an electromagnetic pump is connected to this hose 34. 35 are 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 body gaugings 37 and a pair of side gaugings 38, each having an arcuate shape. By fixing the casing 38 integrally 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 are connected. A communicating hollow portion 42 is formed. Further, a pair of rotating shafts 43.44 are provided in the hollow part 42 of the crushing unit 36 horizontally and parallel to each other, located at the center of the arcuate surface of each main body gauging 37, and each rotating shaft 43.44 is provided on the side surface of the crushing unit 36. It is rotatably supported by a bearing 45 provided on the gauging 38.

In addition, each rotating shaft 43,44 has a plurality of circular rotary blades 4.
6.47 and a plurality of collars 48 and 49 having the same thickness as this rotary blade 46 and 47 are integrally assembled and fixed via a key part 50, and are fixed to one rotating shaft 43. Each rotary blade 47 fixed to the other rotating shaft 44 is located between each rotary blade 46, so that the side surfaces of both rotary blades 46, 47 overlap each other. In addition, each rotary blade 46
．． There are two opening force parts 51.51A and 52.47 on the outer periphery.
52A are provided at equal intervals, and these opening force parts 51
, 51A, and 52.52A are linearly aligned along the axial direction when viewed from a plane. Furthermore, the opening force portion 51.51A of one rotary blade 46 and the opening force portion 52 of the other rotary blade 47 are
．． 52A is an angle α, for example α, with respect to the center line of the hollow part 42.
= 90° shifted positions.

Also, a side casing 3 is attached to one end of each rotating shaft 43,44.
Gears 53.53A having the same number of teeth are fixed outside of the gears 8 and 53.53A, and these gears 53.53A are in mesh with each other. Further, a large diameter reduction gear 54 is fixed to the other end of one rotating shaft 43 outside the side gauging 38, and the gear 5 of the crushing motor 55 is connected to this reduction gear 54 via a small diameter intermediate gear 54A.
6 are meshed with each other, and each rotary blade 46, 47 is rotated inwardly at the same speed by driving the crushing motor 55.

57 is a bending unit provided at the lower part of the crushing unit 36, and this bending unit 57 is connected to the crushing unit 3.
6, and has a pair of main body casings 58 and a pair of side gaugings 59 that have an arcuate shape.

Further, by integrally fixing the main body gauging 58 and the side gauging 59 with a plurality of screws 60, the supply port 61 and the discharge port 62, which are approximately the same shape and size as the discharge port 41, are communicated with the hollow portion 42. A hollow portion 63 is formed. In addition, a pair of rotating shafts 64 and 65 are provided in the hollow portion 63 of the bending unit 57 for each main body gauging 5.
The rotary shafts 64 and 65 are located horizontally and parallel to each other at the center of the arc surface of the side gauging 5.
It is rotatably supported by a bearing 66 provided at 9. A plurality of bent teeth 67 and 68 are integrally fixed to each rotating shaft 64 and 65 by a key portion 69. Each of the bent teeth 67 and 68 has a cutting edge portion 70 with the same number of teeth, and the adjacent bent teeth 67 and 68 are shifted in the circumferential direction by a half-pitch of each tooth, and the assembly is fixed. The cutting edge portions 70 of the opposing bent teeth 67 and 68 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 the crushing motor 55.
The bent teeth 67 are rotated inwardly by this, and the bent teeth 68 are rotated inwardly by the meshing of the cutting edge portions 70 with each other. 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. A handle 74 is provided on the outer surface of this front plate 73, and a U-shaped outer frame 75 is provided on the inner surface.

Further, the outer frame 75 is attached to the front plate 73 along the guide rail 76.
It is possible to enter and exit the building in one piece. 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
A spring 80 is wound around the sliding rod 78 located between the guide portion 77 and the sliding rod 78, and the sliding rod 78 is urged upward by the spring 80. It is adapted to be locked to the guide portion 77. Further, a receiving plate 82 is fixed between the upper ends of the pair of sliding rods 78 at the front, 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 fullness detection section 85.

Reference numeral 86 denotes a receiving frame, and this receiving frame 86 is inserted into the outer frame 75 along rollers 87 provided on the outer frame 75.
The accommodation frame 86 is mounted within the outer frame 75 by a flange 88 provided at the upper end of the accommodation frame 86 being engaged with the receiving plate 82,83. Further, an arm 91 having a presser roller 89 at the lower end and a lever 90 at the upper end is rotatably supported at the upper end of the storage frame 86 by a pivot 92, and is rotated inward by a spring 93. The upper end edge of the storage bag 94 accommodated in the storage frame 86 is pressed between the press roller 89 and the storage frame 86.
It is designed to be clamped and fixed between the inner surface of the

Reference numeral 95 denotes a tray that is located at the lower part of the fall guide hopper 72 and is movable in the front and back direction.A moisture absorbing material 96 is provided on the inner surface of this tray 95, and
An end of a link 98 connected to the side via a pivot 97 is connected to the rear of the saucer 95 via a pivot 99, and is also pivoted to the lower end of an arm bar 100 suspended from the lower surface of the saucer 95. The roller 101 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 and the inner cover opening/closing motor 19 is driven, and the inner cover 13 is connected to the upper fixed rail 11 and the lower part via the link 21. The input port 2 is opened by horizontal movement along the fixed rail 14, the fourth switch 30 is turned on, and the inner lid opening/closing motor 19 is stopped. In this state, for example, a resin syringe 1 with a syringe needle 104A is inserted into the inlet 2.
04, the syringe 104 passes through the injection chamber 9 and falls into the crushing unit 36, and the nozzle 3
1 and disinfected by a disinfectant solution 32 that is intermittently sprayed.

After that, when the outer lid 4 is closed, the second switch 8 is turned on, the inner lid opening/closing motor 19 rotates in the reverse direction, and the inner lid 13 closes the upper end opening of the input hopper 9, and the third switch 2
9 is turned on, the inner cover opening/closing motor 19 is stopped, and at the same time, the crushing motor 55 is moved.

By driving the crushing motor 55, gears 53° 53A,
Through the reduction gear 54, intermediate gear 54A, and gear 56, the pair of rotary blades 46, 47 rotate inward at the same speed with their side surfaces overlapping each other, and the bent teeth 67, 6
8 rotate inward while meshing with each other. Then, the syringe 104 that has fallen into the crushing unit 36 is placed on the upper part of the outer periphery of the pair of rotary blades 46 and 47, and as the rotary blades 46 and 47 rotate, an appropriate amount is first inserted into the opening force part 51 of one of the rotary blades 46. When the opening force section 51 reaches the other rotary blade 47, the syringe 104 inside the opening force section 51 is inserted between the opening force section 51 and the outer peripheral edge of the rotary blade 47. It is crushed and falls into the bending unit 57. On the other hand, the opening force part 51 and 90°
An appropriate amount of the syringe 104 is also inserted into the opening part 52 of the rotary blade 47, which rotates with a delay due to the phase difference, and is sent inward and crushed between the opening part 52 and the outer periphery of the rotary blade 46. It falls into the bending unit 57. In the bending unit 57, the syringe needle 104A that has fallen without being broken is further folded into the bending tooth 6.
7, 68, passes through the fall guide hopper 72, and is stored in the storage bag 94 together with the disinfectant solution 32. When the storage bag 94 becomes full, the storage frame 86 moves down against the bias of the spring 80 due to its weight, turns on the fifth switch 84, stops the crushing motor 55, and displays a fullness display (not shown). Display. Therefore,
The front plate 73 and the outer frame 75 are integrally pulled out of the machine body 1 along the guide rail 76 with the storage bag 94, and the holding roller 89 is released by operating the pull-out lever 90, and the storage bag 94 is replaced with a new one. and set it inside the fuselage 1. At this time, when the outer frame 75 is pulled out of the eight bodies 1, the saucer 95 moves due to the engagement of the link 98, the roller 101, and the contact plate 102, and closes the lower end opening of the drop guide hopper 72, allowing the disinfectant 32, etc. prevent falling. Also, when the outer frame 75 is set inside the machine body 1, the saucer 95 moves backward and the drop guide hopper 72
Open the bottom @ opening.

Next, the action of the crushing part will be explained.

As shown in FIG. 13(A), when the opening force part 51 and the opening force part 51A of the rotary blade 46 are located vertically, the opening force part 5 of the rotary blade 47
2.52A are located on the left and right, and if a large amount of syringe 104 falls in this state, the syringe 104 will be damaged by the rotary blade 46.
．． 47, and place an appropriate amount of syringe 1 on the top of the outer periphery of the
04 is inserted into the opening force section 51. and rotary blade 46.
47 rotates approximately 90" inward at the same speed,
As shown in FIG. 13(B), the syringe 104 inside the opening force part 51 reaches the rotary blade 47 and is crushed between the opening force part 51 and the outer periphery of the rotary blade 47, and the opening force part of the rotary blade 47 52 reaches the upper part and the appropriate amount of syringe 104 is inserted. Furthermore, when the dowel 904 rotates inward, the syringe 104 in this opening force section 52 reaches the rotary blade 46, and the opening force section 52 and the rotary blade 4
6, and the opening force part 5 of the rotary blade 46
1A reaches the top and an appropriate amount of syringe 104 is inserted.

In this case, the syringe 104 placed on the upper outer periphery of the rotary blade 46.47 slides as the rotary blade 46.47 rotates, but the opening force parts 51.51A and 52.52A are connected to the main body gauging 3.
When moving upward from 7, concave blade portions 51.51A, 5
It is inserted into 2.52A and sent inward to be crushed.

Therefore, even if a large amount of the syringe 104 falls into the crushing unit 36, the syringe 104 will remain in the opening portions 51, 51A, 52.
52A, the syringe 104 is sequentially sent and crushed in appropriate amounts by the rotary blade 46, and the operation of crushing the syringe 104 with the opening portion 51.51A of the rotary blade 46 and the rotary blade 47, and the rotation. Since the blade 47 is mainly used to repeatedly crush the syringe 104 with the opening force portion 52° 52A of the rotary blade 47 and the rotary blade 46, a large number of syringes 10 are crushed.
4 can be fractured with relatively small shear loads.

14 and 15 show a second embodiment of the present invention,
In this embodiment, a syringe 111 inputted from an input port 110 passes through an input hopper 112, is crushed by a crushing section 113, and then stored in a storage box 114, and the crushing section 113 is arranged inwardly. The rotary blade 1 has a pair of circular rotary blades 115 and 116 that rotate at the same speed.
15 and 116 are integrally formed with collars 117 and 118,
It is integrally assembled and fixed to rotating shafts 119 and 120 via key portions 121. Moreover, three concave blades 122. 122A.

122B are provided at equal intervals, and the rotary blade 116 has concave blades 122. 122A, 122B and a concave blade 123. with a phase difference of 60°. 123A and 123B are provided at equal intervals. Then, the syringe 111 introduced from the input port 110 passes through the input hopper 112 and falls into the crushing section 113, and the syringe 111 is inserted into the concave blade 122 of the rotary blade 115. 122A and 122B, and are sent inward and crushed between them and the rotary blade 116, and the syringe 111 is crushed by the concave blade 123.1 of the rotary blade 116.
It is inserted into 123A and 123B, sent inward, and crushed between it and the rotary blade 115. Therefore, even if a large amount of syringes 111 are introduced, as in the above embodiment, the syringes 111 are sequentially crushed in appropriate amounts by a relatively small shearing load.

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.1 For example, the overall structure of the crusher can be applied to various types, and the shape of the concave blades can be modified. For example, as shown in FIG. 16, two concave blades 133. 133A, and two concave blades 134. 134A may be provided, and the two concave blades 133A of one rotary blade 131 and the two concave blades 134, 134A of the other rotary blade 132 may be used alternately for crushing. The number of blades may be selected as appropriate, and the number of opening portions provided on the pair of rotating blades may be greater on one rotating blade than on the other.

[Effects of the Invention] The present invention has a pair of circular rotary blades whose side surfaces partially overlap each other, and each rotary blade rotates inwardly at the same speed. By providing the opening force portion at a position where they do not overlap during this rotation, it is possible to provide a crusher that can crush an appropriate amount by using the pair of rotary blades alternately and with a relatively small shearing load.

[Brief explanation of the drawing]

FIG. 1 is a schematic explanatory diagram of the present invention, FIG. 2 is an overall longitudinal sectional view,
Fig. 3 is an overall perspective view, Fig. 4 is a sectional view showing the outer cover and inner cover, Fig. 5 is a plan view showing the opening/closing structure of the inner cover, and Fig. 6 is a sectional view showing the inner cover.
7 is an enlarged sectional view of the crushing unit and the folding unit; FIG. 8 is an exploded perspective view of the crushing unit and the folding unit; FIG. 9 is a cross-sectional plan view of the crushing unit; Fig. 10 is a partially cutaway perspective view of the folding unit, Fig. 11 is a partially cutaway perspective view showing the operating state of the saucer, and Fig. 12 is a partially cutaway perspective view of the folding unit.
The figure is an enlarged longitudinal sectional view showing the operating state of the saucer, and Figure 13 (A
>(B) is a sectional view showing the operating state of the crushing unit, the first
4 and 15 show the second embodiment of the present invention, and the first embodiment
4 is a schematic explanatory drawing, FIG. 15 is a sectional view, and FIG. 16 is a sectional view showing an embodiment of the pond of the present invention. 2.110...Input port (input part) 36...Crushing unit (crushing part) 46, 47.115, 116, 131, 132.
...Rotary blades 51, 51A, 52.52A, 122
, 122A, 122B123, 123A,
123B, 133, 133A, 134134
A... Concave blade 94... Storage bag (discharge part) 104, 111... Syringe (crushed material) 113... Crushing part Applicant Nippon Seiki Co., Ltd. Manager Patent Attorney Patent Attorney Kicho 4th ■ Figure 14 Figure 15 Figure 16

Claims (1)

[Claims] (1) In a device 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, the crushing section consists of a pair of parts whose side surfaces partially overlap each other. It has circular rotating blades, each of which rotates inwardly at the same speed, and each of the rotating blades has a concave blade on its outer periphery at a position where they do not overlap during rotation. A crusher featuring: