JPH0719790Y2 - Plate unloading device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an improvement of a printing plate unloading device used when, for example, a printing plate for newspaper printing is unloaded from a printing plate conveying device.

(Prior Art) Conventionally, as a printing plate unloading device of this type, for example, Japanese Patent Laid-Open No.
-191062 is known.

This is basically composed of a stopper, a plate suction rotary feed device, a pressing moving device, a receiving and holding device, a conveyor, a second paragraph device, and a stocker.

However, in such a device, in particular, in the second paragraph, in the apparatus and stocker, the plate is made horizontal and the both ends are supported, so that the plate easily bends, and therefore the plate There was a problem that the printing plate could be damaged because it could not be moved or stored properly.

(Problems to be solved by the invention) In view of the above problems, the present invention was devised in order to solve this, and the purpose is to ensure proper movement and storage of printing plates. Another object of the present invention is to provide a printing plate unloading device that does not damage the printing plate.

(Means for Solving Problems) A plate unloading device of the present invention is a stop mechanism capable of stopping a plate that has been conveyed with its upper end bent portion supported by a plate conveying device at the unloading position. And a lowering mechanism capable of lowering the plate stopped by the stop mechanism while supporting the upper end bent part thereof, and a plurality of printing plates supporting the upper end bent part at predetermined intervals in the direction perpendicular to the conveyance. And a storage mechanism capable of storing the printing plate from the lowering mechanism by moving the plate from the lowering mechanism in a direction perpendicular to the conveyance direction while supporting the upper end bent portion of the plate, and moving the plate in the parallel direction to the conveyance mechanism to insert the plate into the storage mechanism. An extraction mechanism capable of extracting the printing plates stored in the storage mechanism from the storage mechanism by moving the plates in parallel with each other while supporting the upper end bent portions one by one from the side opposite to the insertion mechanism and moving in the direction perpendicular to the conveyance. The feature is that it is composed of.

(Operation) The printing plate is conveyed while the upper end bent portion is held by the holding mechanism of the printing plate carry-out device.

The conveyed plate is stopped at the carry-out position by the stop mechanism, and the holding mechanism is opened and opened by the opening mechanism of the plate conveying device.

The released printing plate is lowered with its upper end bent portion supported by the lowering mechanism.

The plate which has been lowered is moved in the direction perpendicular to the conveyance with its upper end bent portion being supported by the insertion mechanism, and also moved in the direction parallel to the conveyance to be inserted into the storage mechanism.

The inserted printing plate is stored with its upper end bent portion supported by the storage mechanism.

The stored printing plates are extracted one by one from the storage mechanism by being moved in the direction parallel to the conveyance direction while being supported by the upper end bent portion by the extraction mechanism and moved in the direction perpendicular to the conveyance direction.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic left side view showing a plate unloading device according to an embodiment of the present invention. FIG. 2 is a schematic rear view showing the vicinity of the descending mechanism. FIG. 3 is a schematic plan view. FIG. 4 is a schematic rear view showing the vicinity of the extraction mechanism.

The plate unloading device 1 is installed at the unloading position of the plate transporting device 50, and its main part is composed of a stop mechanism 2, a lowering mechanism 3, a storage mechanism 4, an inserting mechanism 5, and an extracting mechanism 6.

As the plate transport device 50, a trolley conveyor (overhead chain conveyor) type is used.
It consists of a trolley 51 erected in a building, a chain (not shown) that is guided by the trolley, and a normally-closed holding mechanism 52 provided at appropriate intervals on the trolley. It is designed to run in the forward direction (left direction in FIG. 1) which is the direction.

Thus, at the carry-out position in the plate transport device 50, an opening mechanism (not shown) for opening the holding mechanism 52, and a holding mechanism 52.
Is provided with a guide mechanism (not shown) for guiding so as not to swing in the left-right direction (left-right direction in FIG. 2).

The plate A conveyed by the plate conveying device 50 has bent portions B and C which are bent at both upper and lower ends, and the upper end bent portion B is held by a holding mechanism 52 to be in a hanging state. Has been done.

Thus, the printing plate A has a size in which two pages of a newspaper are vertically arranged and is so long as a so-called vertically long double size.

The stop mechanism 2 depends on the plate conveying device 50 and has an upper end bent portion B.
The printing plate A, which is supported and conveyed, can be stopped at the carry-out position.

In this example, it comprises a stop body 8 that is rotatably provided on the base body 7 and that can prevent the printing plate A from advancing, and a cylinder 9 that operates this.

The descending mechanism 3 is capable of descending the stopped plate A while supporting the upper end bent portion B thereof.

In this example, a pair of front and rear sprockets 10 rotatably provided on the base 7 and spaced apart in the vertical direction, a pair of front and rear chains 11 hung on the sprocket 10, and the sprockets 11 are erected at predetermined intervals. A bar 12, a motor 13 for rotating the sprocket 10, and a pair of front and rear descending guides 14 provided along the left-hand side traveling portion of the chain 11.

An inclination mechanism 15 and a transfer mechanism 16 are provided between the stop mechanism 2 and the descending mechanism 3.

The tilting mechanism 15 sets the printing plate A conveyed in the hanging state to a predetermined tilting state and restores the printing plate A not carried out to the hanging state. This is a solid guide provided on the base 7.
17, an opening 18 formed at the unloading position thereof, a movable guide body 19 that is provided so as to be movable back and forth with respect to the fixed guide body 17 to open and close the opening 18, and a cylinder 20 that operates this. There is.

The transfer mechanism 16 transfers the printing plate A stopped at the carry-out position to the lowering mechanism 3, which includes the opening 18 of the tilting mechanism 15, the movable guide body 19, and the cylinder 20. ,
A receiver 21 provided on the base 7 and arranged below the opening 18.
A fixed body 22 provided on the base body 7, a movable body 23 movable in the left-right direction with respect to the fixed body 22, a cylinder 24 for operating the movable body 23, and a movable body 23 provided to adsorb and hold the plate A. An adsorbing device 25, a receiving member 26 which is provided on the base 7 so as to be lifted up and placed on the right side of the receiving member 21 and can receive the printing plate A, a cylinder 27 for operating this, and a descending guide of the descending mechanism 3. Body 14
It consists of

The storage mechanism 4 is capable of storing a plurality of printing plates A at a predetermined interval in the direction perpendicular to the transportation with the upper end bent portion B thereof being supported.

In this example, a support 28 provided on the base 7 and a plurality of printing plates A are arranged below the support 28 at predetermined intervals in the left-right direction (the left-right direction in FIG. 4) which is the direction perpendicular to the conveyance. And a suspended body 29 to which the upper end bent portion B of is hooked.

The insertion mechanism 5 can insert the plate A from the lowering mechanism 3 into the storage mechanism 4 by supporting the upper end bent portion B thereof and moving the plate A in the direction perpendicular to the conveyance direction and in the direction parallel to the conveyance direction.

In this example, a fixed body 30 provided on the base body 7, a movable body 31 provided so as to be movable in the left-right direction which is a direction orthogonal to the conveyance, and a motor-driven screw type actuator 32 for operating the movable body 31. , A hanging body 33 provided on the left side of the movable body 31 and on which the upper bent portion B of the printing plate A is hooked, and a front-back direction which is a parallel direction to the movable body 31 (see FIGS. 1 and 3). It is composed of a pusher 34 that is movable in the left-right direction and that can push the printing plate A that is hung on the suspension 33 in the rearward direction, and a cylinder 35 that operates this.

A transition mechanism 36 is provided between the lowering mechanism 3 and the insertion mechanism 5.

The transfer mechanism 36 transfers the printing plate A from the lowering mechanism 3 to the inserting mechanism 5. The lowering arm 37 is provided on the base 7 so that the lowering mechanism 3 can be lifted, and the lowering arm 37 is disposed below the lowering mechanism 3. A cylinder 38 for operating this, a roller 39 rotatably provided at the tip of the elevation arm 37 and capable of holding the plate A between the suspension body 33 of the insertion mechanism 5, and a stop capable of stopping the rotation thereof. And an actuator (not shown).

The extraction mechanism 6 can extract the printing plates A stored in the storage mechanism 4 one by one by supporting the upper end bent portions B thereof and moving them in the transportation parallel direction and in the transportation right-angled direction. It is a thing. In this example, a fixed body 40 provided on the base body 7, a movable body 41 provided so as to be movable in the left-right direction which is a direction perpendicular to the conveyance, and a motor-driven rack and pinion type actuator 42 for operating the movable body 41. A hanging body 43 provided on the left side of the movable body 41 and to which the upper-end bent portion B of the printing plate A is hooked
And a retracting body 44 which is provided so as to be movable in the front-rear direction which is a direction parallel to the movable body 41 and which is capable of retracting the printing plate A suspended on the suspending body 29 of the storage mechanism 4 into the suspending body 43, and It consists of a cylinder 45 for operating the.

Next, the operation will be described based on such a configuration.

The plate A is conveyed in the front direction (the left direction in FIG. 1) which is the conveying direction in a hanging state by the upper end bent portion B being held by the holding mechanism 52 of the plate conveying device 50. .

The plate A that has been conveyed is brought into a predetermined inclination state by the inclination mechanism 15 and reaches the carry-out position shown by the chain line in FIG.

If the printing plate A is not carried out here, the tilting mechanism 15 directly returns the printing plate A from the predetermined tilted state to the hanging state and carries it.

When carrying out the plate A, the cylinder 9 of the stop mechanism 2 is operated to stop the plate A at the carry-out position by the stop member 8 and the opening mechanism of the plate transport device 50 is operated to hold the platen mechanism 52. The plate A is released from the holding mechanism 52 by opening the plate.

The released printing plate A slightly slides along the movable guide body 19 of the tilting mechanism 15, is received by the receiving body 21 of the transfer mechanism 16, and is in a leaning state.

Cylinder of transfer mechanism 16 when plate A is leaning
The plate A is adsorbed by the adsorber 25 by operating 24.

When the plate A is adsorbed, the cylinder 20 of the tilting mechanism 15 is actuated to open the opening 18 by the movable guide body 19, and the plate A is allowed to move to the right.

When the right movement of the plate A is allowed, the cylinder 24 of the transfer mechanism 16
Is operated to move the printing plate A adsorbed by the adsorber 25 rightward to the descending guide body 14 of the descending mechanism 3.

At this time, the bar 12 of the descending mechanism 3 has the upper end bent portion B of the plate A.
It is positioned slightly below so that it does not interfere with.

Then, in such a state, the suction of the suction device 25 of the transfer mechanism 16 is released.

Then, the printing plate A slightly slides along the descending guide body 14 of the descending mechanism 3 and is received by the receiving body 26 to be prevented from descending.

The plate A supported by the descending guide 14 and placed on the receiver 26 descends due to the cylinder 27 of the transfer mechanism 16 being operated, and the upper end bent portion B of the plate A is placed on the bar 12 of the descending mechanism 3. Be hooked.

When the lowering is permitted, the motor 13 of the lowering mechanism 3 is operated to lower the plate A suspended on the bar 12.

When the plate A is lowered and the bar 12 of the lowering mechanism 3 reaches the lower part, the cylinder 38 of the transfer mechanism 36 is actuated and the lowering arm 37 is lowered, so that the space between the roller 39 and the hanging body 33 of the inserting mechanism 5 is lowered. Plate A is held between.

At this time, since the roller 39 is stopped by the stop actuator, the plate A is stopped from descending.
The bar 12 of the lowering mechanism 3 is disengaged from the upper bent portion B of the.

Thereafter, the roller 39 is moved by the operation of the stop mechanism of the transition mechanism 36.
Is allowed to rotate, the plate A descends while being sandwiched between the roller 39 and the suspension body 33 of the insertion mechanism 5, and the upper end bent portion B is suspended in the suspension body 33.
It is hooked on and hung.

When the plate A is suspended from the suspension body 33 of the insertion mechanism 5, the motor-driven screw type actuator 32 is operated to move the suspension body 33 in the left-right direction, which is the direction perpendicular to the conveyance direction. Match one of the suspensions 29.

When they match, the cylinder 35 of the insertion mechanism 5 is operated to store the printing plate A by pushing the front end (the left end in FIG. 1) of the printing plate A suspended on the hanging body 33 with the pusher 34. It is inserted into the suspension body 29 of the mechanism 4.

The printing plates A from the insertion mechanism 5 are inserted into the plurality of hanging bodies 29 of the storage mechanism 4 one by one and stored in a suspended state.

When extracting the plate A stored in the storage mechanism 4, the plate A to be extracted by operating the motor-driven rack and pinion type actuator 42 of the extraction mechanism 6 to move the suspension body 43 in the left-right direction. To the suspended body 29 of the storage mechanism 4 suspending.

When they match, the cylinder 45 of the extraction mechanism 6 is operated to move the retracting body 44 to the front side of the printing plate A suspended by the suspending body 29.

At this time, since the retracting body 44 is in the shape of a flat hook, it moves while pushing the suspended plate A to the left.

When the retractable body 44 reaches the front side of the printing plate A, it is moved rearward by the cylinder 45.

Then, the printing plate A hung on the hung body 29 of the storage mechanism 4 is transferred to the hung body 43 of the extraction mechanism 6 and hung by this.

The plate A hung on the hanging body 43 is moved to the left side by the operation of the motor-driven rack and pinion type actuator 42, and reaches the delivery position shown by the chain line in FIG.

When the plate A reaches the delivery position, the plate A hung from the hanging body 43 of the extraction mechanism 6 is removed by an operator or a robot who mounts the plate A on a printing cylinder (not shown) of the printing machine. To be done.

FIG. 4 shows a case where the printing plate A is sucked and removed by the suction device 47 of the robot 46.

At this time, the hanging body 43 of the extraction mechanism 6 serves as a receiving portion for the adsorber 47, and thus has a large area.

In addition, the lowering mechanism 3, the storage mechanism 4, the insertion mechanism 5, the extraction mechanism 6
In the above embodiment, the upper end bent portion B of the printing plate A is hooked and supported, but the present invention is not limited to this, and the upper end bent portion B of the printing plate A may be held, for example. good.

In the above-described embodiment, the extraction mechanism 6 uses the retracting member 44 for the printing plate A.
Although the front end of the plate is pushed, the invention is not limited to this.
You may be able to hold the rear side.

Although the tilting mechanism 15 is provided in the previous embodiment, the tilting mechanism 15 is not limited to this, and can be omitted if it is not necessary to tilt the printing plate A, for example.

Although the transfer mechanism 16 is provided in the previous embodiment, the transfer mechanism 16 is not limited to this, and can be omitted, for example, when the plate A can be directly transferred from the holding mechanism 52 to the lowering mechanism 3.

Although the transfer mechanism 16 is provided in the previous embodiment, the transfer mechanism 16 is not limited to this. For example, when the plate A can be transferred directly from the lowering mechanism 3 to the inserting mechanism 5, this can be omitted.

(Effect of the Invention) As described above, according to the present invention, the following excellent effects can be achieved.

(1) It is composed of a stop mechanism, a descending mechanism, a storage mechanism, an insertion mechanism, and an extraction mechanism, and is configured to always support the upper-end bent portion of the plate, so that the plate can be properly moved and stored, There is no damage to the plate.

Especially, it is effective in the case of a vertically double-sized printing plate.

(2) Since the storage mechanism, the insertion mechanism, and the extraction mechanism are provided, the printing plates can be accurately stored in order and extracted.

(3) Since the extraction mechanism is provided, the delivery to the operator or the robot becomes easy, and the work efficiency is improved accordingly.

(4) Since the storage mechanism is configured to store a plurality of printing plates only by supporting the upper bent portion thereof, the structure of the storage mechanism is simplified and the stored printing plates come into contact with each other. There is no fear of damage to the product, and there is no possibility of space problems due to its high height.

(5) Since the storage mechanism is provided with the insertion mechanism and the extraction mechanism, the plate can be carried in and out of the storage mechanism at the same time.

[Brief description of drawings]

FIG. 1 is a schematic left side view showing a plate unloading device according to an embodiment of the present invention. FIG. 2 is a schematic rear view showing the vicinity of the descending mechanism. FIG. 3 is a schematic plan view. FIG. 4 is a schematic rear view showing the vicinity of the extraction mechanism. 1 ... Plate unloading device 2 ... Stopping mechanism 3 ... Descent mechanism 4 ... Storage mechanism 5 ... Insertion mechanism 6 ... Extraction mechanism

Claims (1)

[Scope of utility model registration request] 1. A stop mechanism capable of stopping a plate that has been conveyed with its upper end bent portion supported by a plate conveying device at an unloading position, and a plate stopped by the stop mechanism at its upper end. A lowering mechanism capable of supporting the bent portion and lowering, a storage mechanism capable of storing a plurality of printing plates at a predetermined interval in the direction perpendicular to the conveyance while supporting the upper bent portion thereof, and a printing plate from the lowering mechanism. An insertion mechanism that supports the upper end bent portion and moves in the direction perpendicular to the conveyance and moves in the direction parallel to the conveyance to insert the plate into the storage mechanism, and the plate stored in the storage mechanism from the side opposite to the insertion mechanism. A plate unloading device comprising: an extraction mechanism that supports the upper end bent portions one by one and moves them in a direction parallel to the conveyance and at the same time, moves them in a direction perpendicular to the conveyance to extract from a storage mechanism.