JP2002320941A - Air cleaner container holding unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an air cleaner container holding unit which can be used for containers with different height without the trouble of changing a pressing member because it can change the length of its pressing member according to the height of a container. SOLUTION: A container placed on a container table 13 is pressed from upside by a cylindrical pressing member 29 and held. Compressed air is blown into the container by an air pipe 19 penetrating the inside of the pressing member 29, and a foreign material in the container is exhausted through a hollow part in the pressing member 29. This pressing member 29 consists of a first cylindrical member 31 which contacts the container and a second cylindrical member 32 arranged at upper side than the member 31, and one of these members can be fit into another member. Also, this air cleaner holding unit has a securing means to secure the first cylindrical member 31 and the second cylindrical member 32 at an arbitrary fitting length.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air cleaner in which compressed air is blown into a container to discharge foreign matter in the container to the outside. More specifically, the present invention enables the use of containers having different heights. The present invention relates to a container holding device for an air cleaner.

[0002]

2. Description of the Related Art Conventionally, an air cleaner as described above is provided with a large number of circulatingly movable container bases. Containers are continuously placed on these container bases, and each container base is moved while moving. The cylindrical pressing member is lowered and pressed against the mouth of the container to hold the container, and in this state, the container table and the pressing member are inverted to invert the container, and the inside of the pressing member is penetrated into the container. Insert an air pipe, blow compressed air into the container with this air pipe, and generate a suction force in the hollow part of the pressing member to blow foreign matter such as dust, lint, glass fragments, and the like in the container. It is known to clean by collecting dust.

[0003]

According to the conventional air cleaner, the holding force of the container by the pressing member is obtained by the urging force of the spring, and it is possible to absorb a slight difference in the container height. However, if there is a large difference, sufficient holding force cannot be obtained, or the urging force is too strong and the container is crushed.When cleaning containers with different heights, all the pressing members must be It was necessary to replace the pressing member with a different length. In addition, it is necessary to prepare a pressing member having a different length for each height of the container to be cleaned.

The present invention has been made in view of the above-mentioned problems, and provides an air cleaner container holding device capable of combining containers having different heights without replacing a pressing member.

[0005]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and employs the following technical means. In the invention described in claim 1, the container placed on the container table is pressed and held from above by a cylindrical pressing member, and compressed air is blown into the container by an air pipe penetrating the pressing member. In an air cleaner configured to discharge foreign matter in a container through a hollow portion in a pressing member, the pressing member may include a first cylindrical member that contacts the container, and a second cylinder disposed above the first cylindrical member. And one of the first members can be fitted into the other.
Technical means including a fixing means for fixing the cylindrical member and the second cylindrical member at an arbitrary fitting amount is employed.

According to the second aspect of the present invention, the first tubular member and the second tubular member are provided with a plurality of recesses on the outer peripheral surface on one of the fitting sides, and are provided with the recesses on the other fitting side. Technical means is employed in which engaging members that can be engaged are provided so as to be able to move forward and backward, and fixing means are constituted by these members.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A container holding device according to the present invention comprises a first cylindrical member and a second cylindrical member which press and hold a container placed on a container table from above. It is composed of members and one can be inserted into the other, and the length of the pressing member can be changed by adjusting the amount of insertion, thereby enabling the use of containers having different heights. is there. In the following embodiment, a rotary type air cleaner for performing continuous cleaning by inverting the held container is shown. However, the form of the air cleaner is not limited to this, and compressed air is not inverted in the container by an air pipe. A container that presses and holds a container placed on a container table from above by a cylindrical pressing member, such as a type that blows foreign substances through a hollow portion in the pressing member and a type that intermittently operates. As long as the air cleaner has a holding device, it can be adopted in various forms of air cleaners. Also, if the air pipe is located inside the pressing member and it is possible to blow compressed air into the container, it is not always necessary to insert the air pipe into the container, and furthermore, when discharging foreign matter through a hollow portion in the pressing member In addition, the foreign matter can be discharged from the container by the airflow of the compressed air blown from the air pipe, and it is not always necessary to generate the suction force in the hollow portion in the pressing member.

[0008]

FIG. 1 is a schematic plan view showing an air cleaner, and FIG.
3 is a longitudinal sectional view showing an air cleaner, FIG. 3 is an enlarged view of a main part showing a container holding device, (A) is a front view, (B) is a right side view, and (C) is a view in the direction of arrow C in (A). It is. FIG.
Numeral 1 denotes an air cleaner, and when the container 3 conveyed by the conveyor 2 is supplied to the air cleaner 1 by the supply star wheel 4, the container 3 is turned upside down by 180 degrees in the inversion section shown by the arrow D while being conveyed, The container 3 in the state is cleaned by blowing compressed air into the inside thereof in the washing section indicated by the arrow E, and is again inverted by 180 degrees in the reversing section D to be in an upright state and discharged by the discharge star wheel 5 to be conveyed. Handed over to 6.

As shown in FIG. 2, the air cleaner 1 has a rotating body 10 rotatably mounted on a central shaft 8 erected on a base 7 via a bearing 9. , A plurality of holding columns 11 are provided at equal intervals in the circumferential direction. A rotating shaft 11a is fixed to the upper end of the holding column 11 forming a set, and the container holding device 12 is rotatably supported on the rotating shaft 11a. The rotating body 10 is connected to a driving gear (not shown) by a gear 10a formed on the outer peripheral surface and is driven to rotate. As a result, the container holding device 12 revolves in the directions of arrows D and E shown in FIG. It is to be moved.

The container holding device 12 includes a container base 13 having a flat plate shape and a rectangular shape in a plan view, through which the rotating shaft 11a is penetrated. It is designed to hold it. Cam followers 15, 1 are provided on both sides of the container base 13 parallel to the rotation axis 11a.
The cam followers 15 are engaged with groove cams 17a and 17b suspended from the frame 16. Groove cam 1
7a is provided in an arc shape without changing the height in the same horizontal plane over the washing section indicated by the arrow E in FIG. 1, and is disposed on the inner peripheral side of the moving path of the container holding device 12, and is rotatable. The supported container table 13 is kept horizontal. On the other hand, the groove cam 17b is provided over an inversion section indicated by an arrow D in FIG. Although the opening is arranged on the outer peripheral side toward the inner peripheral side, it is bent toward the inner peripheral side while gradually ascending from the position to the position where the container base 13 is revolved 90 degrees, and further the opening is directed downward. It is twisted 90 degrees and positioned above the rotation shaft 11a as shown in FIG. Further, it is bent toward the inner periphery while gradually descending to a position where it is revolved 90 degrees from there, and twisted 90 degrees in the same direction so as to direct the opening toward the outer periphery, and finally to the same inner periphery as the groove cam 17a. It is configured such that the groove cam 17b is twisted 180 degrees from the start end to reach the end end, and the end end is connected to the start end of the groove cam 17a. As a result, the container holding device 12 is moved in a section indicated by an arrow E while keeping the container table 13 horizontal, and is inverted in a reversal section indicated by an arrow D so that the front and back of the container table 13 are turned 180 degrees. ing.

A suction nozzle 18 communicating with a dust collector (not shown) is provided on the upper surface of the outer peripheral portion of the rotating body 10 and below the container holding device 12 between the supporting columns 11 forming a set. The rotating body 10 is located below the nozzle 18.
An elevating member 20 to which an air pipe 19 is attached is disposed on the lower surface side of the outer peripheral portion of. The elevating member 20 is guided by a guide rod 21 hung on the lower surface of the outer peripheral portion of the rotating body 10, and has a cam follower 22 a on the inner peripheral side of the moving path, and the cam fixed to the base 7. 22b, the air pipe 1
9 is inserted into and removed from the inverted container 3. The air pipe 19 is slidably penetrated through the rotating body 10 and the suction nozzle 18.
An open / close valve 24 connected to a compressed air source via a rotary joint 23 is provided at a rising end of the valve. When the lifting member 20 is raised and pressed, the valve is released and compressed air is supplied to the air pipe 19. It has become.

As shown in FIG. 2 and FIG. 3, the holding portions 14, 1
4 are provided on both sides (only one is shown in FIG. 3). The holding portion 14 includes two support rods 25, 25 erected in parallel to the container base 13, and the support rods 25, 25.
The moving member 26 is slidably held by the supporting member 25, and the moving member 26 is suspended from the upper ends of the support rods 25 by springs 27. This moving member 2
6 has a contact portion 28 formed at the lower end thereof into a conical shape at the lower end thereof through an upper bracket 26a.
A cylindrical pressing member 29 having a hollow portion therein
Is provided. A cam follower 30a is attached to the moving member 26.
a engages with a cam 30b formed on a cam block formed with a groove cam 17a for keeping the container table 13 horizontal in the washing section. The cam 30b is provided in a cleaning section indicated by an arrow E, and is formed so as to raise the cam follower 30a in front of the discharge star wheel 5 for discharging the container 3 and lower it after passing through the supply star wheel 4 for supplying the container 3. The moving member 26 of the holding portion 14 that passes through the washing section in an upright state is raised by the cam 30b while compressing the springs 27, 27. Thereby, the container 3 can be introduced from the supply star wheel 4 by setting the contact portion 28 to the raised position, and the container 3 can be discharged to the discharge star wheel 5, and does not engage with the cam 30b. In this state, the introduced container 3 is pressed by the contact portion 28 and held between the container table 13 by the urging forces of the springs 27 and 27.

A pressing member 29 provided on the moving member 26
Is a first tubular member 31 having a contact portion 28 formed at the lower end.
And the bracket 2 located above the first tubular member 31.
The first cylindrical member 32 is slidably fitted in the second cylindrical member 32. The outer peripheral surface of the first cylindrical member 31 above the contact portion 28 is an uneven surface 3 where a convex portion 33a and a concave portion 33b are continuous.
A fixing portion 34 is provided at the lower end of the second cylindrical member 32 to fix the first cylindrical member 31 at an arbitrary fitting amount.
Is provided. A fixing means for fixing the first cylindrical member 31 and the second cylindrical member 32 by the uneven surface 33 and the fixing portion 34 is constituted.

The fixing portion 34 is held by the holding block 34a, the diameter of which is larger than that of the second cylindrical member 32, and can move forward and backward with respect to the uneven surface 33, and engages with the concave portion 33b. An L-shaped engagement plate 34b as an engagement member. One of the engagement plates 34b is engaged with the concave portion 33b, and the first cylindrical member 31 is
It is configured to be fixed to the tubular member 32.

An elongated hole larger than the outer diameter of the first cylindrical member 31 is formed in the long surface of the L-shaped engaging plate 34b so as to extend in the longitudinal direction. Even a small slot is formed. Engagement plate 3
FIG. 3C shows a state in which the first tubular member 31 is penetrated.
As shown in FIG. 3, it is supported on the upper and lower portions of the holding block 34a so as to be slidable in the longitudinal direction of the long surface (FIG. 3C).
, Only the lower part is shown), and the short side faces the peripheral surface of the holding block 34a. This short side is the holding block 3
4a is urged in a direction separated from the holding block 34a by a spring 34c provided on a peripheral surface of the peripheral hole of the first cylindrical member 31. Thus, the inner edge of the elongated hole that penetrates the first tubular member 31 on the side opposite to the urging direction is formed. The first cylindrical member 31 comes into contact with the uneven surface 33. A stopper pin 34d erected on the holding block 34a is inserted into the other small slot.
Through the spring 3 of the engagement plate 34b.
The amount of movement in the direction opposite to the biasing direction by 4c is regulated. That is, when the engagement plate 34b is pushed in against the urging force of the spring 34c, the inner edge of the long hole through which the first cylindrical member 31 penetrates in the urging direction contacts the first cylindrical member 31. It is regulated so that there is no.

The engaging plate 34b has such a thickness that it can be engaged with the concave portion 33b and can be inserted into the concave portion 33b. Further, the two engaging plates 34b are arranged with their short surfaces facing each other and urged by a spring 34c. When the inner edge of the elongated hole of one of the engagement plates 34b is inserted into the recess 33b of the uneven surface 33, the other engagement plate 34b has a dimension to abut on the projection 33a. They are arranged shifted in the longitudinal direction. With such a configuration, the amount of protrusion of the short surface of the engagement plate 34b in the recess 33b from the peripheral surface of the holding block 34a is reduced by the short surface of the engagement plate 34b abutting on the protrusion 33a. By pushing the short surface larger than the protrusion amount and the larger protrusion amount against the urging force of the spring 34c,
The engagement with the concave portion 33b is released, and the first tubular member 31 can move in the longitudinal direction. In this state, if the user moves the first tubular member 31 while holding it, the amount of fitting into the second tubular member 32 can be changed. Since the mating plate 34b enters the adjacent concave portion 33b by the urging force of the spring 34c, the fitting amount can be adjusted at a constant pitch in small increments, and fine adjustment can be performed with high precision. In addition, there is no danger that the first tubular member 31 will drop as soon as the engagement is released, and the workability is good. The uneven surface 3
In FIG. 3, a scale 33c is displayed so as to be a measure of the movement amount.

The operation of the air cleaner and the container holding device according to the above configuration will be described. When the rotating body 10 included in the air cleaner 1 is driven to rotate, each container holding device 1
Numeral 2 denotes the container table 1 in the cleaning section indicated by arrow E while revolving.
3 is kept horizontal, and is inverted by 180 degrees in the inversion section indicated by arrow D. The moving member 26 of the holding portion 14 located on the upper side in the container holding device 12 moving in the washing section is raised by the cam 30a, so that the pressing member 29 is raised and the container 3 is supplied below the pressing member 29. Then, moving member 2
6 is quickly lowered and disengaged from the cam 30a, so that the contact portion 28 is pressed against the upper end of the mouth of the container 3 by being urged by the spring 27, and the container 3 is brought into contact with the container base 13 by the contact portion 28. Will be retained. On the other hand, on the lower side of the container holding device 12 moving in the washing section, the container 3 held by the container base 13 and the contact portion 28 is moved in an inverted state, and the elevating member 20 that moves together is raised by the cam 22b. Then, the air pipe 19 penetrates through the inside of each of the second tubular member 32, the first tubular member 31, and the contact portion 28 that constitute the pressing member 29, and is inserted into the container 3. As a result, compressed air is blown into the container 3 from the air pipe 19, and the contact portion 28, the first cylindrical member 3
First, the inside of the container 3 is sucked through the hollow portion inside each of the second cylindrical members 32, and the foreign matter in the container 3 is discharged. Further, in the reversing section, the container holding device 12 is turned 180 degrees by the groove cam 17b, so that the container 3 supplied to the upper side of the container holding device 12 in the washing section is turned over and the lower side of the container holding device 12 is turned. In the cleaning section, the already cleaned container 3 located below the container holding device 12 in the washing section is turned over to become the upper side of the container holding device 12 and is discharged outside the machine by the discharge star wheel 5. You.

In such a cleaning operation, when cleaning the container 3 having a different height from the conventional one, the fitting amount of the first tubular member 31 into the second tubular member 32 for all the pressing members 29 is changed. I do. More specifically, when changing to a container 3 having a higher height than before, the engagement plate 34 of the fixing portion 34 of the second tubular member 32 is used.
(b) Insert the required amount of the first tubular member 31 into the second tubular member 32 while alternately pushing them, thereby shortening the entire length of the pressing member 29. In this case, an appropriate fitting amount of the first tubular member 31 and the second tubular member 32 is checked in advance for each container type, and the scale of the scale 33c is adjusted as a guide. When changing to a lower container 3 than before, the second
While alternately pushing the engagement plates 34b of the fixing portion 34 of the tubular member 32, the first tubular member 31 is
A necessary amount is extracted from the pressure member 29 to increase the entire length of the pressing member 29.
Thus, the pressing member 29 is changed according to the change in the height of the container 3.
Can be changed, so that containers having different heights can be shared without replacing the pressing member as in the related art.

In this embodiment, an example is shown in which the first tubular member 31 is fitted into the second tubular member 32 to constitute the pressing member 29. However, the second tubular member 32 is replaced with the first tubular member 32. The first tubular member 31 may be provided with a fixing portion 34, and the second tubular member may be formed with an uneven surface 33 in this case.

[0020]

According to the present invention, the container placed on the container table is pressed and held from above by the cylindrical pressing member,
The compressed air is blown into the container by an air pipe penetrating the pressing member, and an air cleaner configured to discharge foreign matter in the container through a hollow portion in the pressing member. The first cylindrical member and the second cylindrical member disposed above the first cylindrical member, and one of the first cylindrical member and the second cylindrical member can be fitted into the other.
By providing a fixing means for fixing the cylindrical member and the second cylindrical member at an arbitrary fitting amount, the length of the pressing member can be changed according to a change in the height of the container. Containers having different heights can be shared without replacement.

[Brief description of the drawings]

FIG. 1 is a schematic plan view showing an air cleaner of the present invention.

FIG. 2 is a longitudinal sectional view showing an air cleaner of the present invention.

FIG. 3 is an enlarged view of a main part showing the container holding device of the present invention;
(A) is a front view, (B) is a right side view, and (C) is a view in the direction of arrow C in (A).

[Explanation of symbols]

1 ‥‥ Air cleaner 2 ‥‥ Conveyor 3 ‥‥ Container 4 ‥‥ Supply star wheel 5 ‥‥ Discharge star wheel 6 ‥‥ Conveyor 7 ‥‥ Base 8 ‥‥ Center shaft 9 ‥‥ Bearing 10 ‥‥ Rotating body 10a ‥‥ Gear 11 Holder 11a Rotating shaft 12 Container holder 13 Container holder 14 Holder 15 Cam follower 16 Frame 17a Groove cam 17b Groove cam 18 Suction nozzle 19 ‥‥ Air pipe 20 ‥‥ Elevating member 21 ‥‥ Guide rod 22a ‥‥ Cam follower 22b ‥‥ Cam 23 ‥‥ Rotary joint 24 ‥‥ On-off valve 25 ‥‥ Support rod 26 ‥‥ Movement member 26a ‥‥ Bracket 27 ‥‥ Spring 28 {Contact part 29} Pressing member 30a３０Cam follower 30b ‥‥ Cam 31 ‥‥ First cylindrical member 32 ‥‥ Second cylindrical member 3 ‥‥ uneven surface 33a ‥‥ protrusion 33b ‥‥ recess 33c ‥‥ scale 34 ‥‥ fixing portion 34a ‥‥ holding block 34b ‥‥ engagement plate 34c ‥‥ spring 34d ‥‥ stopper pin

Claims (2)

[Claims] 1. A container placed on a container table is pressed and held from above by a cylindrical pressing member, and compressed air is blown into the container by an air pipe penetrating through the pressing member. In the air cleaner configured to discharge the foreign matter in the container through the hollow portion, the pressing member includes a first cylindrical member in contact with the container and a second cylindrical member disposed above the first cylindrical member. A container holding device for an air cleaner, comprising a fixing means for fixing one of the first cylindrical member and the second cylindrical member at an arbitrary fitting amount so that one can be fitted into the other. 2. The first tubular member and the second tubular member include:
A plurality of recesses are provided on the outer peripheral surface on one of the fitting sides, and engaging members capable of engaging with the recesses are provided on the other fitting side so as to be able to advance and retreat, and these form a fixing means. A container holding device for an air cleaner, comprising: