JPS6331914Y2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a table press device for cutting sheets, mainly formed sheets.

Conventionally, for example, a container such as a food packaging tray is molded from a synthetic resin sheet, the molded sheet is cut into predetermined intervals, and the resulting cut molded sheet is cut around the molded portion using a table press machine. Obtaining a container is being done.

However, in conventional table press equipment, the sheet is placed on a cutting die that moves back and forth on the base, and when the cutting die is inserted into the lower part of the press plate, the sheet on the cutting die is pressed and cut by the press plate. After that, the cutting die moves to transfer the cut sheet from the bottom of the press plate to the front of the base and take it out, and the same cutting die is used to feed the sheet and take out the cut sheet. Ta. Therefore, the next sheet cannot be fed until after the cut sheet has been taken out, which has the drawback of requiring extra time.

The present invention overcomes the above-mentioned conventional drawbacks.
It is an object of the present invention to provide a table press device that can shorten the time from supplying sheets to taking out cut sheets by separately feeding sheets and taking out cut sheets, thereby significantly improving work efficiency. purpose.

That is, the present invention includes a fixing plate, a conveyor chain whose one end is inserted into the lower part of the fixing plate, at least the inserted end is movable up and down, and which supplies sheets to the lower part of the fixing plate, and the conveyor. A fixing mechanism for fixing the sheet to the chain, and a fixing mechanism provided at the bottom of the fixing plate so as to be movable up and down, and configured to be able to pass between the chains of the conveyor chain, and for cutting out the sheet on the conveyor chain that has been raised and supplied. The gist of the present invention is a table press device comprising: a movable table placed on the table and pressed against a fixed plate for cutting; and a cutting die slidably reciprocated on the movable table.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the table press apparatus of the present invention will be described in detail based on the drawings.

FIGS. 1 and 2 show an embodiment of the table press apparatus of the present invention, and numeral 1 in the figures indicates the table press apparatus.
The device 1 includes a fixed plate 2, a conveyor chain 3 with one end inserted into the lower part of the fixed plate 2, a movable table 4 provided at the lower part of the fixed plate 2, a cutting die 5 provided on the upper surface of the movable table 4, and It is composed of a fixing mechanism that fixes the sheet to the conveyor chain 3.

The conveyor chain 3 is made up of two chains 6, 6'
The conveyor chain 3 is constructed by mounting the conveyor chain 3 on sprockets 8 and 9 which are rotatably mounted on a flat U-shaped casing 7. The sprocket 8 is connected to a motor 10 and rotates with the rotation of the motor 10, and the chains 6, 6' move accordingly. Furthermore, a cylinder 12 is mounted on a horizontal plate 11 at the approximately central lower portion of the casing 7 of the conveyor chain 3.
The conveyor chain 3 is configured to move up and down around a rotating shaft 13 provided at the end of the casing 7 by the operation of the cylinder 12. Therefore, when the cylinder 12 is operated, one end of the conveyor chain 3 moves up and down below the fixed plate 2. Reference numeral 14 denotes a positioning guide for accurately placing a sheet on the chains 6, 6' of the conveyor chain 3, which is fixed to a base plate 15 at the bottom of the conveyor chain 3, and a cylinder 16 is connected to the base plate 15 so that it can move up and down. In this embodiment, the fixing mechanism for fixing a sheet to the conveyor chain 3 comprises a number of needles 17 (FIG. 3) provided at predetermined intervals on each chain 6, 6' of the conveyor chain 3, pressure plates 19 on both sides of the sheet supply section 18 for pressing the sheet to insert the sheet end into the needles 17 and fixing the sheet to the chains 6, 6', and cylinders 2 for operating the pressure plates 19 via arms 20.
The pressure plate 19 is provided for each of the chains 6, 1 as shown in Figs.
6' at a predetermined length, and a pressing portion 22 made of a soft material such as sponge is attached to a base plate 23.
3 is attached to the tip of an arm 20 fixed to a shaft 24, and a cylinder 21 is connected to the shaft 24, and the arm 20 is configured to rotate (arrow A←→B) by the operation of the cylinder 21. A cylinder 25 is connected to the bottom of the movable table 4 provided below the fixed plate 2, and the movable table 4 is configured to be able to move up and down by the operation of the cylinder 25. The width of the movable table 4 is narrower than the width between the chains 6, 6' of the conveyor chain 3, so that when it is raised by the operation of the cylinder 25, it can pass between the chains 6, 6'. Rails 26, 26 are provided on both sides of the upper surface of the movable table 4, and punching dies 5 are attached to the rails 26, 26.
The die 5 is configured with a cutting blade 27 for cutting the sheet and a base plate 28 for fixing the cutting blade 27.
A conventionally known cam for reciprocating the die 5 and a drive mechanism (not shown) for operating the cam are provided at the bottom of the die 5. The die 5 and the cam are connected so that operation of the cam causes the die 5 to reciprocate (arrows C ←→ D) to enter and exit from the bottom of the fixed plate 2.

In FIG. 1, reference numeral 29 indicates an air nozzle for blowing air to place the sheet at an accurate position when feeding the sheet to the conveyor chain 3.

A case in which a container is obtained by cutting a molded sheet using the table press apparatus 1 configured as described above will be described below.

The formed sheet 30 cut to a predetermined length is dropped onto the sheet supply section 18 of the conveyor chain 3, and air is blown from the air nozzle 29 for positioning to move the formed sheet 30 along the positioning guide 14 to a predetermined position on the conveyor chain 3. Place it in position.
When the molded sheet 30 is placed in a predetermined position, the blowing of air stops. Next, cylinder 2
1 is activated, the arm 20 rotates in the direction of the arrow A, the press plate 19 presses both ends of the formed sheet 30, and the sheet ends are inserted into the needles 17 of each chain 6, 6' to transfer the formed sheet 30 to the conveyor chain 3. Fixed to. When the molded sheet 30 is fixed, the cylinder 21 is activated again to rotate the arm 20 in the direction of arrow B and position the press plate 19 outside the casing 7. Next, the cylinder 16 is activated, and the fixing mechanisms such as the positioning guide 14 and the pressing plate 19 are lowered, and at the same time, the sprocket 8 rotates under the rotation of the motor 10, and each chain 6, 6' is activated, and the forming sheet 30 is rotated. is transferred to the lower part of the fixing plate 2 and stopped (Fig. 5 A). Molded sheet 30
When the cylinder 1 is transferred to the bottom of the fixed plate 2,
2 and 25 operate simultaneously, the movable table 4 is raised and the conveyor chain 3 is lowered.
At this time, since the movable table 4 is configured to be able to pass between the chains 6 and 6' of the conveyor chain 3, the molded sheet 30 on the chains 6 and 6' is pressed by the cutting die 5 on the movable table 4. Needle 1
The cutting blade 27 on the cutting die 5 is released from the fixation from 7 onwards.
placed on top. The conveyor chain 3 descends to a predetermined position and stops, and the movable table 4 further rises and cuts the formed sheet 3 on the cutting blade 27 onto the fixed plate 2.
Press 0 to cut (Figure 5b). After cutting the formed sheet 30, the movable table 4 descends to slightly above each chain 6, 6' of the conveyor chain 3 and stops, and a cam drive mechanism (not shown) is activated, and a cam (not shown) is activated. Fixing plate 2 together with molded sheet 30 from which cutting die 5 has been cut
Move from the bottom to the outside (Figure 5 C). Thereafter, the cylinder 25 is activated again, and the cylinder 12 is activated, the movable table 4 is lowered, and the conveyor chain 3 is raised, the conveyor chain 3 is raised to the initial position and stopped, and the movable table 4 is lowered to a predetermined position. Then it stops (5th
Figure 2). Thereupon, the cut molded sheet 30 is removed from the cutting die 5. At this time, conveyor chain 3
At the same time as the cylinder 16 is raised, the positioning guide 14, the pressing plate 19, etc. are raised, returning to the initial state, so that the next forming sheet 30 can be supplied. Therefore, while the cut molded sheet 30 is being removed from the cutting die 5, the next molded sheet 30 can be fixed to the conveyor chain 3. By repeating the same operation sequentially, the formed sheet 30 can be cut without interruption, and the process from supplying the forming sheet 30 to taking out the cut forming sheet 30 is shorter than that of a conventional table press machine. It can be done in time.

In this embodiment, the fixing mechanism for fixing the sheet is composed of a plurality of needles 17 provided on each chain 6, 6', a pressing plate 19, etc., but is not limited to this, and other mechanisms may be used. Configuration is also possible. In addition, in this embodiment, the conveyor chain 3
is configured so that one end inserted into the lower part of the fixed plate 2 moves up and down by rotating around the rotating shaft 13, but the conveyor chain 3 itself is configured to be able to move up and down. It is also possible to configure one end inserted into the lower part of the fixed plate 2 to move up and down.

Furthermore, any shape, structure, etc. of the table press device of the present invention is possible without changing the gist of the present invention.

As explained above, the table press device of the present invention is
A fixing plate, a conveyor chain having one end inserted into the lower part of the fixing plate, at least the inserted end being movable up and down, and supplying the sheet to the lower part of the fixing plate, and fixing the sheet to the conveyor chain. a fixing mechanism that is movable up and down at the bottom of the fixing plate, a cutting die that reciprocates slidably on the top surface and moves in and out of the bottom of the fixing plate, and is configured to be able to pass between the chains of the conveyor chain. ,
It consists of a movable table that places the sheet on the conveyor chain that has been raised and fed onto a cutting die and presses it against a fixed plate to cut it, so it is possible to feed the sheet and take out the cut sheet separately. This has the effect of making it possible to perform the process from sheet feeding to sheet removal in a short time, which in turn has the effect of improving work efficiency.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, and FIG. 1 is a side view showing an embodiment of the table press apparatus of the present invention;
Fig. 2 is a plan view, Fig. 3 is a schematic side view showing the chain and needles installed in the chain, Fig. 4 is a schematic vertical cross-sectional view showing an example of the fixing mechanism, and Fig. 5 is the operation of the conveyor chain and movable table. FIG. 1... Base press device, 2... Fixed plate, 3... Conveyor chain, 4... Movable table, 5... Cutting die, 6, 6'... Chain, 17... Needle, 19
...Press plate, 20...Arm, 21...Cylinder.

Claims (1)

[Scope of utility model registration request] A fixing plate, a conveyor chain having one end inserted into the lower part of the fixing plate, at least the inserted end being movable up and down, and supplying the sheet to the lower part of the fixing plate, and fixing the sheet to the conveyor chain. and a fixing mechanism provided at the lower part of the fixing plate so as to be movable up and down, and configured to be able to pass between the chains of the conveyor chain, and placing the sheet on the conveyor chain that has been raised and fed onto the cutting die. 1. A table press device comprising: a movable table that presses against a fixed plate to cut; and a cutting die that reciprocates slidably on the movable table.