JP2589904B2 - Container transport / replacement device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for transporting and exchanging containers used as an apparatus for manufacturing a laminated sheet.

[0002]

2. Description of the Related Art Conventionally, as a wiping material after car washing,
BACKGROUND ART A laminate (for example, trade name: Plus Cham) in which a water-absorbing sponge is integrally formed on both surfaces of a sheet-shaped core material is used. As an apparatus for manufacturing such a laminate, there is, for example, an apparatus disclosed in Japanese Patent Publication No. 48-38630. As shown in FIG. 7, this apparatus branches a path G from its straight path to an annular conveyor C capable of transporting the flat bottom container 1 at a constant speed in the direction of an arrow, and on the downstream side of this branch point, In this order, a first nozzle block 51 of a viscous liquid supply, a Japanese paper supply table 52, a second nozzle block 53 of a viscous liquid supply and a cloth supply table 54 are arranged. Then, when the container 1 conveyed on the annular conveyor C passes below the first nozzle block 51 of the viscous liquid supply device, a viscous liquid (a pore forming aid or the like is added to and mixed with the aqueous solution of polyvinyl alcohol) from the nozzle block 51. Viscous liquid)
Is supplied into the container 1 at a constant rate, and then the Japanese paper as a diaphragm is placed on the flattened viscous liquid when passing through the vicinity of the Japanese paper supply table 52, and then the second nozzle block 5 of the viscous liquid feeder is supplied.
3 and the same viscous liquid is supplied from the nozzle block 53 into the container 1 at a constant rate.
The cloth as the core material is placed on the flattened viscous liquid when passing around the vicinity of 4, and such an operation is repeated while running the container 1 around the annular conveyor C many times. When the liquid is full, the container 1 is taken out of the branch conveyor G, loaded on a truck (not shown), and transported to the next process. Then, in the next step, the multi-layered body formed in the container 1 is heated and solidified,
Thereafter, the desired laminate is obtained by removing the Japanese paper.

[0003]

However, in the above apparatus, when the container 1 becomes full, the container 1 is replaced. First, the operation of the viscous liquid supply device is stopped, and the operation of the nozzle blocks 51 and 53 is stopped. The liquid supply is stopped, and then the container 1 is manually carried out from the straight path of the circular conveyor C to the path G and loaded on the prepared trolley, while a new empty container is placed on the circular conveyor C at an appropriate interval. Must be installed. Therefore, a great deal of work is required, and it takes time to work with a small number of people. Moreover, while the operation of the viscous liquid supply device is stopped, the operation of this device must be stopped, and the productivity is reduced. Furthermore, depending on the type of viscous liquid, the viscous liquid may react and solidify while the viscous liquid supply device is stopped.In this case, all piping in the liquid supply path must be cleaned. It takes time and effort. Therefore, it takes a longer time to replace the container, and the productivity is further reduced.

The present invention has been made in view of such circumstances, and when replacing containers, the number of personnel required for the work can be reduced, the time required for the work can be reduced, and productivity can be reduced. It is an object of the present invention to provide a container transfer / replacement device that can be improved.

[0005] In order to achieve the above-mentioned object, the apparatus for transporting and exchanging containers of the present invention comprises at least one straight section A
And a plurality of containers are conveyed annularly at appropriate intervals on an annular conveyor C having an arc-shaped corner portion B connected thereto, and then containers are sequentially removed from the annular conveyor C and new containers are sequentially placed. A device for supplying containers onto an annular conveyor C and exchanging containers, provided so as not to overlap with the corner portion B in a direction in which the linear portion A extends from a position where the linear portion A of the annular conveyor C reaches the corner portion B. And a curved line along the outer edge of the corner portion B, and one end is pivotally supported near the boundary between the straight portion A and the corner portion B, and the angle with respect to the annular conveyor C is set as a fulcrum. The guide wall set to be freely changed and the guide wall are positioned so as to be along the corner portion B at the time of transporting the container, and from the branch conveyor D at the time of replacing the container. A guide wall opening / closing means for positioning so as to open to the outside, and a guide belt for positioning the feed surface on a straight line extending to the branch conveyor D side from the inner line of the movement trajectory of the container moving on the linear portion A of the annular conveyor C. A guide belt lifting / lowering means for holding the guide belt at a height which does not hit the conveyed container when transferring the container, and lowering the guide belt so as to contact the side surface of the conveyed container when replacing the container; and a corner portion B of the annular conveyor C. And a control means for controlling the operation / stop of container supply.

[0006]

According to the container transfer / replacement device of the present invention, the guide wall is formed at the corner B during the transfer of the container.
The container can be conveyed on the annular conveyor C in the same manner as in the related art by positioning the guide belt along the outer edge thereof and keeping the guide belt at a height that does not hit the conveyed container. When the containers are replaced, the guide wall is positioned so as to open outward from the branch conveyor D, and the guide belt is lowered to bring the feeding surface into contact with the side surface of the container. B
Can be carried out to the branch conveyor D. On the other hand, during this unloading, the containers can be sequentially loaded downstream of the corner B by operating the container supplying means and the control means. Therefore, at the time of container replacement after the predetermined processing on the circular conveyor C is completed, the operation of unloading the containers on the branch conveyor D and transporting the empty containers to the circular conveyor C can be performed automatically, thereby saving labor. Can be planned. In addition, since an empty container can be made to travel on the annular conveyor C following the container to be taken out, processing such as filling of contents into the container can be continuously performed, thereby improving productivity and reducing work time. can do.

Next, the present invention will be described in detail based on embodiments.

[0008]

FIG. 1 shows an embodiment of the present invention. In the drawing, C is an annular conveyor capable of transporting the container 1 at a constant speed. As in the conventional case, a straight portion A, a corner portion B following the straight portion A, and a straight portion following the corner portion B are used. E. Then, a cloth supply table (not shown) is disposed on the linear portion A or on the upstream side thereof, and a first nozzle block (not shown) of the viscous liquid supply device is disposed on the linear portion E or on the downstream side thereof. Has been established. Reference numeral C denotes an annular conveyor, which branches linearly from the corner portion B toward the direction in which the linear portion A extends. Also, 35
Is a storage conveyor, which stores empty containers 1 '.

A switching guide (guide wall) 2 which is opened and closed by the operation of an opening / closing cylinder (guide wall opening / closing means) 3 is provided on the outer edge of the corner portion B. The switching guide 2 includes a guide plate 11 extending in a curved shape along the curved shape of the outer edge of the corner portion B, two rib plates 11 a extending horizontally outside the guide plate 11, Shaft 1 vertically extending through rib plate 11a of
3a and a link piece 13 protruding from the rotation shaft 13a. The rotating shaft 13a is connected to the sleeve 1
4 rotatably held. On the other hand, the opening / closing cylinder 3 has a rear end of the cylinder main body 3 a rotatably mounted on a mounting bracket 16 provided on a column 12 of a corner portion B, and a tip of a cylinder rod is turned around a link piece 13. It is movably mounted. And FIG.
As shown in (1), the operation of the opening / closing cylinder 3 causes the guide plate 11 to rotate in the horizontal direction and open / close the branch conveyor D.

A guide belt 5 is disposed in the upper space of the corner portion B, and is attached to a frame 17 constituting the guide device 4 so as to be able to move up and down. That is, as shown in FIG. 3, two support plates 21 are fixed on the upper surface of the frame 17 at a predetermined interval, and a lifting cylinder (guide belt lifting / lowering means) is provided on each of the support plates 21. 6 are mounted so as to operate downward. A guide bar 20 is fixed to the lower end of each of these cylinder rods, and rotating shafts 23a and 23b are attached to the left and right sides of the front surface of the guide bar 20 so as to be freely rotatable in the vertical direction. Pulley 2 fixed to the lower end of 23b, 23b
The guide belt 5 is stretched between 2a and 22b. The feed surface of the guide belt 5 is substantially located on a line connecting the inner edge of the straight portion A and the inner edge of the branch conveyor D (see FIG. 1). A pulley 25 fixed to the upper end of the right rotating shaft 23a of the two rotating shafts 23a and 23b is an output shaft 24a of the first motor 24 attached to the guide bar 20.
Is connected to a pulley 24b fixed to the lower end of the drive shaft via a belt 26. Further, sliders 19 are fixed to the guide bar 20 in two steps on the left and right sides of the rear surface thereof. As shown in FIG.
Are slidably engaged up and down. Then, the guide bar 20 is raised by the retracting operation of the lifting cylinder 6, and is positioned at a height where the guide belt 5 does not hit the container 1 to be conveyed.
Is lowered so that the guide belt 5 comes into contact with the side surface of the container 1 to be conveyed.

On the other hand, between the linear part E of the annular conveyor C and the storage conveyor 35, as shown in FIG. Reference numeral 30 denotes a second motor.
Drives the inclined conveyor 7 as shown by the arrow.

A gap is provided between the inclined conveyor 7 and the storage conveyor 35, and a stopper 38 projects upward from this gap to stop the supply of the empty container 1 'to the inclined conveyor 7. I can do it.
That is, a control cylinder (control means) 8 having a stopper 38 attached to the end of its own cylinder rod is provided below the gap, and when the container 1 is replaced, the control cylinder 8 is pulled in. The stopper 38 is lowered by the operation, and the empty containers 1 'of the storage conveyor 35 are sequentially supplied to the inclined conveyor 7 and the straight portion E as shown by the dashed line in FIG. When the container 1 is conveyed, the stopper 38 is raised by the pushing operation of the control cylinder 8, so that the supply of the empty container 1 'to the inclined conveyor 7 and the straight portion E is stopped.

In FIG. 1, reference numeral 37 denotes a sensor which detects that the last one of the containers 1 has passed through the corner portion B and entered the straight portion E when the container 1 has become full. This detection signal is sent to an operating device (not shown) of the control cylinder 8. Reference numeral 40 denotes a stopper which escapes upward when the container is transported, and stops the container 1 to be transported by being lowered when the container is replaced.

Using the above-described apparatus, the container 1 can be transported and replaced with an empty container 1 ', for example, as follows. That is, first, when transporting the container 1, FIG.
As shown in (1), the switching guide 2 is moved along the outer edge of the corner portion B of the annular conveyor C by pulling the opening / closing cylinder 3, and the guide belt 5 is pulled into the container 1 by pulling the lifting cylinder 6 down. The stopper 40 is raised to a position where it does not hit the container 1 and positioned at a position where it does not hit the container 1. On the other hand, by pushing out the control cylinder 8, the stopper 38 is raised so that the empty container 1 ′ of the storage conveyor 35 is not supplied to the inclined conveyor 7. Thereby, the plurality of containers 1 can be transported at predetermined intervals on the annular conveyor C, and a multi-layered body is manufactured in the containers 1 during the transportation.

Next, when the container 1 is full and the container 1 is replaced, the stopper 40 is first lowered to stop the first full container 1 in the straight portion A. Then
When the last container 1 (container located on the front side of the first full container) passes below the guide belt 5, the opening / closing cylinder 3 is pushed out as shown in FIG. At the same time as opening the switching guide 2 outside the branch conveyor D, as shown by the dashed line in FIG.
The guide bar 20 is lowered by pushing out the lifting cylinder 6, and the first motor 24 is operated to rotate the guide belt 5. Then, when the stopper 40 is released upward and the filled container 1 of the linear portion A is conveyed to the corner portion B, the container 1 entering the corner portion B is brought into contact with the guide belt 5 as shown in FIG. It is guided to the feed surface and is carried out to the branch conveyor D.

On the other hand, the last container 1 has a corner B
, The sensor 37 detects this and the control cylinder 8 is retracted to lower the stopper 38 so that the empty container 1 'is removed as shown by the dashed line in FIG. When the predetermined number of empty containers 1 ′ are supplied to the inclined conveyor 7 and the linear portion E in sequence, the control cylinder 8 is pushed out to operate the stopper 3.
8, the supply of the empty container 1 'of the storage conveyor 35 is stopped.

As described above, according to this apparatus, the operation of replacing the full container 1 with the empty container 1 'can be performed automatically. Moreover, since the empty container 1 'can be conveyed following the container 1 which is full, the viscous liquid can be continuously supplied from the nozzle block of the viscous liquid supply device, and the productivity is improved. The work time for replacement can be shortened while improving. Therefore, the operation of cleaning the piping of the liquid supply path at the time of the replacement can be omitted, and the productivity can be further improved and the operation time can be shortened.

[0018]

As described above, the transfer of the container of the present invention
According to the replacement device, the operation of unloading the container from the circular conveyor C and transferring the empty container to the circular conveyor C is automated and continuous, so that it is not necessary to stop the operation at the time of the replacement, and the productivity is improved. . In addition, labor saving of personnel required for work can be achieved. Moreover, since the empty container can be run following the container on which the predetermined processing on the annular conveyor C has been completed, the processing such as filling of the contents into the container can be performed continuously. Work time is shortened, and productivity is further improved.

[Brief description of the drawings]

FIG. 1 is a configuration diagram showing one embodiment of the present invention.

FIG. 2 is an explanatory diagram showing a state where a switching guide is opened.

FIG. 3 is a configuration diagram showing a guide device.

FIG. 4 is an explanatory view showing the operation of the guide device.

FIG. 5 is a configuration diagram showing an inclined conveyor.

FIG. 6 is an explanatory view showing a state in which a container is being carried out to a branch conveyor.

FIG. 7 is a configuration diagram showing a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container 2 Switching guide 3 Opening / closing cylinder 5 Guide belt 6 Elevating cylinder 7 Inclined conveyor 8 Control cylinder A Linear part B Corner part C Ring conveyor D Branch conveyor

Claims (1)

(57) [Claims] 1. After a plurality of containers are conveyed annularly at appropriate intervals on an annular conveyor C having at least one straight portion A and an arc-shaped corner portion B connected to the straight portion A, the annular conveyor C Is a device that sequentially takes out containers from the container and sequentially supplies new containers onto the circular conveyor C and replaces the containers, and extends the linear part A from the position where the linear part A of the circular conveyor C reaches the corner B. A straight branch conveyor D provided so as not to overlap with the corner portion B, and a curve along the outer edge of the corner portion B. One end is pivotally supported near the boundary between the straight portion A and the corner portion B. And using this as a fulcrum, the circular conveyor C
And a guide wall opening / closing means for positioning the guide wall along the corner portion B when transporting the container, and positioning the guide wall to open outside the branch conveyor D when replacing the container. And a guide belt whose feed surface is positioned on a straight line extending to the branch conveyor D side from the inner line of the movement trajectory of the container moving on the linear portion A of the annular conveyor C, and transporting the guide belt at the time of transporting the container. Guide belt lifting / lowering means for holding the container at a height that does not hit the container to be moved, and lowering the container so as to abut on the side surface of the container to be conveyed when the container is replaced, and a container for sequentially supplying the container downstream of the corner B of the annular conveyor C. An apparatus for transporting and exchanging containers, comprising: supply means; and control means for controlling operation and stop of container supply.