JP2002018790A - Molding integrating carrying device and molding integrating carrying method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent moldings from changing in an integrating process, to integrate the moldings in an aligned state, to prevent an enlargement of a device, to reduce a frequency of discharging the moldings, to prevent reduction in throughput, and to carry the moldings to a post-process by lengthening a punching molding stack. SOLUTION: This device is provided with a plurality of-rows upper side punching blades 13-1 and 13-2 for trimming the moldings 18 molded on a resin sheet 17, a plurality of-row lower side punching blades 15-1 and 15-2 and a plurality of-row tilting bucket cylinders 51-1 and 51-2 arranged under the lower side punching blades 15-1 and 15-2, and the inside integrated moldings of the respective-row tilting bucket cylinders 51-1 and 51-2 are successively discharged after being horizontalized by tilting the tilting bucket cylinders 51-1 and 51-2 in a state of internally holding the integrated moldings.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a molded article collecting and conveying apparatus and a molded article collecting and conveying method.

[0002]

2. Description of the Related Art Conventionally, a resin sheet is formed into a resin for forming a resin molded article such as a container for storing foods, beverages, electric parts, daily necessities, pharmaceuticals, etc., and a lid (lid) of the container. BACKGROUND ART In a sheet forming line, a trimming device that cuts and separates a resin product formed by a forming device from a resin sheet is used.

FIG. 2 is a conceptual diagram of a conventional trimming device.

[0004] As shown in FIG.
Is transported intermittently by rotating the transport roller 104, and is sent to a trimming device after the molded product 102 is formed by a molding device (not shown) arranged on the upstream side (left side in the drawing) in the transport direction. Can be
The molded article 102 has an upwardly convex shape,
A plurality of resin sheets 101 are formed in the width direction (perpendicular to the drawing).

When the molded article sensor 105 detects that the molded article 102 has reached a predetermined position, a detection signal is sent to the transport roller controller 107 and the upper punching blade controller 108 via the sensor controller 106.
Sent to Upon receiving the detection signal, the transport roller controller 107 sends a command to the roller driving device 115 to stop the rotation of the transport roller 104, so that the molded article 102 is accurately positioned at the trimming position. Can be done.

On the other hand, the upper punching blade controller 108
Sends a command to the upper punching blade driving device 109 to move the upper punching blade 111 to the upper and lower rows. When the upper punching blade 111 is moved downward and meshes with the lower punching blade 112, the outer periphery of the molded article 102 positioned on the lower punching blade 112 is cut. The molded article 102 is made of the resin sheet 101.
Is trimmed by being separated from Therefore, since the molded article 102 is trimmed while being accurately positioned, there is no deviation in the position of the molded article 102, and the shape of the outer periphery and the state of the cut surface are good. Then, the trimmed molded product 102, that is, the punched molded product 113, falls through the opening of the lower punching blade 112, and is disposed so as to be connected to the lower end of the lower punching blade 112. An elevating table 1 which is a molded product accumulating / conveying device which is slid down along the inner wall surface of the cylinder in a certain posture and is disposed inside the cylinder.
14 on top. In this case, the lifting table 11
4 is gradually moved downward as the number of the punched molded articles 113 to be accumulated increases, and the punched molded articles 113 are accumulated in an aligned state.

[0007] Therefore, handling in the post-process becomes easy.

[0008]

However, in the above-mentioned conventional molded article collecting and conveying apparatus, the punched molded article 113 is not used.
May slide down along the inner wall surface of the cylinder, so that it may be caught on the inner wall surface of the cylinder, tilted, stopped, and deformed. In particular, when the punched molded product is thin, the stacking property is deteriorated. Also, if the tube is long,
It becomes easier to get caught. In this case, it is extremely difficult to accumulate the punched products 113 on the elevating table 114 in an aligned state.

If the length of the cylinder connected to the lower end of the lower punching blade 112 is long, the entire molded product accumulating and conveying apparatus becomes large.

However, when the length of the cylinder is shortened, a punched molded product 1 that can be integrated on the lifting table 114 is provided.
13 is reduced. And the lifting table 11
Since it is necessary to stop the operation of the trimming device in order to discharge the punched product stack 4 above, if the cylinder is shortened, the operation of the trimming device is frequently stopped in order to discharge the punched product stack. And the throughput is reduced.

Further, if the length of the cylinder is shortened, the length of the punched product stack cannot be increased. Therefore, the punched product 113 is a beverage container or the like which is filled in a vending machine. In such a case, it is necessary to manually align the stacked punched products in order to improve the efficiency of the filling operation, and the work efficiency has been deteriorated.

SUMMARY OF THE INVENTION The present invention solves the problems of the conventional molded article collecting and conveying apparatus and the molded article collecting and conveying method described above. It is possible to accumulate and reduce the frequency of discharging punched products without increasing the size of the apparatus, without lowering the throughput, and make it possible to lengthen the punched product stack and transport it to the subsequent process It is an object of the present invention to provide a molded article collecting and conveying apparatus and a molded article collecting and conveying method.

[0013]

For this purpose, in the molded article accumulating / conveying apparatus of the present invention, the molded article formed on the resin sheet is disposed below a lower punching blade for trimming a plurality of rows of molded articles. Having a plurality of rows of tilting bucket cylinders,
After the tilted bucket cylinders are tilted and leveled while the accumulated molded articles are held inside, the molded articles accumulated inside the tilt bucket cylinders in each row are sequentially discharged.

In another molded article collecting and conveying device according to the present invention, the accumulated molded articles are discharged by sequentially moving the tilted bucket cylinders which are horizontally arranged upward or downward.

In still another molded article accumulating / conveying device of the present invention, after the tilt bucket cylinder is horizontally moved, the tilt bucket cylinder is tilted to be horizontal.

In the method for accumulating and transferring molded articles according to the present invention,
A plurality of vertically moving upper rows of upper punching blades and a fixed plurality of rows of cylindrical lower punching blades are engaged with each other to accumulate trimmed molded products, and disposed below the lower punching blade. The tilted bucket cylinders are held in the tilted bucket cylinders in a plurality of rows, and the tilted bucket cylinders are tilted to be horizontal with the accumulated molded products held therein, and the The accumulated molded products are sequentially discharged.

According to another method of accumulating and conveying the molded articles of the present invention, the accumulated molded articles are discharged by sequentially moving the tilted bucket cylinders which are leveled upward or downward.

In still another method of accumulating and conveying molded articles according to the present invention, after the tilting bucket cylinder is horizontally moved, the tilting bucket cylinder is tilted to be horizontal.

[0019]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a side view of a molded article accumulating / conveying apparatus according to a first embodiment of the present invention, FIG. 3 is a view along arrow AA in FIG. 1, and FIG. 4 is a view along arrow BB in FIG. It is.

In the figure, reference numeral 10 denotes a trimming device, which is a container for storing foods such as cup noodles, sashimi, jelly, drinks such as juice, carbonated water, electric parts, daily necessities, pharmaceuticals, etc. in a continuous resin sheet. In a resin sheet molding line for molding a resin molded article such as a lid of the container, the resin sheet 17 is disposed downstream of a molding device (not shown) in the conveying direction of the resin sheet 17 and the molded article 18 is transferred to the resin sheet 1.
7 and cut.

The above-mentioned molding apparatus is used to form a resin sheet 1 on which a molded article 18 is continuously formed by a ripening method such as vacuum forming, pressure forming, draw forming, press forming and matched mold forming.
And molded into 7.

The molded article 18 in the present embodiment may have any shape, but can be fitted together and integrated in consideration of handling in transportation, storage and the like. Desirably, the shape is, for example, a dish, cup, or the like having a sloped side wall, a wide opening, and a narrow bottom.

The resin sheet 17 in the present embodiment
May be any, for example, PVC
(Polyvinyl chloride), PS (polystyrene), expanded polystyrene, PP (polypropylene), PET (polyethylene terephthalate), PC (polycarbonate), A
It is made of BS resin, methacrylic resin, biodegradable resin and the like.
In addition, a sheet in which a plurality of types of resins are laminated may be used in consideration of water resistance, drip barrier properties, and the like.

In the drawing, 10 is a trimming device main body,
12 is an upper punching blade support table which is moved up and down by the upper punching blade driving device (not shown), 13-1,
13-2 is an upper punching blade attached to the upper punching blade support table 12.

In this case, the upper punching blade driving device includes a hydraulic cylinder and a rod moved vertically, a crank shaft rotated by a motor and a rod moved vertically. Any device may be used as long as it generates a driving force for moving the punching blades 13-1 and 13-2 in the vertical direction.

The molded article 18 formed on the resin sheet 17 has an upwardly protruding shape, for example, a substantially circular outer periphery, a side wall inclined, a wide opening and a narrow bottom. A plurality of, for example, nine pieces are formed side by side in the width direction of the resin sheet 17 and are formed at a predetermined pitch in the transport direction of the resin sheet 17 (right direction in FIG. 1). .

The upper punching blades 13-1, 13-
2 are mounted in a plurality in the width direction of the resin sheet 17, for example, 9 in a row. Each of the upper punching blades 13-1 and 13-2 is formed of a cylindrical body having a cross section that is the same as the outer periphery of the molded product 18 formed on the resin sheet 17, for example, a substantially circular shape.
Reference numeral 14 denotes a lower punching blade support table fixed to the trimming device main body 10, and reference numerals 15-1 and 15-2 denote upstream and downstream lower sides attached to the lower punching blade support table 14. It is a punching blade. The lower punching blade 15-1, 1
Reference numerals 5-2 are attached to the positions corresponding to the upper punching blades 13-1 and 13-2, respectively, in a plural number, for example, nine in the width direction of the resin sheet 17. Also, the cross section of the lower punching blades 15-1 and 15-2 is the same as the outer periphery of the molded product 18 formed on the resin sheet 17 similarly to the upper punching blades 13-1 and 13-2. It consists of a cylindrical body having a shape, for example, a substantially circular shape.

The upper punching blade support table 12
Is moved downward by the upper punching blade driving device, the upper punching blade 13-1 and the lower punching blade 15-1 are moved.
Are the upper punching blade 13-2 and the lower punching blade 15-
2 are engaged with each other, and the lower punching blades 15-1, 1
The outer periphery of the molded product 18 positioned on the 5-2 is cut off from the resin sheet 17 to be separated, that is, trimmed. In this case, the upper punching blade 13-
1, 13-2 and the lower punching blades 15-1, 15-2 are:
Since the nine resin products 17 are arranged in two rows in the width direction of the resin sheet 17, eighteen molded products 18 are trimmed by one trimming operation. The molded product trimmed from the resin sheet 17, that is, the punch molded product 19, falls downward through the hollow portions of the lower punching blades 15-1 and 15-2 as described later. .

Reference numeral 16 denotes a transport roll which transports the scrap 17a after trimming the molded article 18 from the resin sheet 17 across both ends thereof. here,
The transport roll 16 is intermittently rotated by a driving device (not shown) and is stopped during the trimming operation. Further, the scrap 17a is discharged to the outside of the trimming device main body 10.

Reference numeral 20 denotes a sheet guide device disposed on the upstream side in the conveying direction of the resin sheet 17, and the sheet guide device 20 is swingably attached to the support 21 and the support 21. Swing frame 22, an upper sheet guide 23 attached to the swing frame 22, a lower sheet guide 24 attached to the swing frame 22, and a swing cylinder for swinging the swing frame 22. Device 25
Having.

Generally, in a resin sheet molding line,
Since there is a difference in the processing speed of the resin sheet 17 between the trimming device and the molding device (not shown) arranged on the upstream side (the left side in FIG. 1) in the conveying direction of the resin sheet 17, the difference in the processing speed is absorbed. As a buffer, a gap is provided between the trimming device and the molding device, and the resin sheet 17 is slackened therebetween. As shown in FIG. 1, a lower sheet guide is provided so that the slack resin sheet 17 can be smoothly fed onto the lower punching blades 15-1 and 15-2 located at a predetermined height. It is desirable that the upstream side of 24 has a curved surface. The swing frame 22 is moved by the swing cylinder device 25 to the upper punching blade 1.
The resin sheet 17 is intermittently swung in conjunction with 3-1 and 13-2.
It is vertically moved on 5-2.

Reference numeral 30 denotes a control device, which is a CPU (central operator) 31, storage means 32 such as a semiconductor memory and a hard disk, and input means 3 such as a keyboard and a touch panel.
3, display means 34 such as CRT, liquid crystal display, etc.
It has an O (input / output interface) 35 and the like, and generally controls the operation of all or a part of the trimming device. It should be noted that the control device 30 is not an independent device,
For example, a part integrated with another control device can be used as a part of a control device that controls devices such as a molding device and a heating device in a resin sheet molding line.

Reference numeral 40 denotes the trimming device main body 10.
A stacking device for stacking the punched molded products 19 arranged at the lower part of the cylinder, 41-1 and 41-2 are fixed bucket cylinders as cylinders, and the cross sections of the fixed bucket cylinders 41-1 and 41-2 are Like the lower punching blades 15-1 and 15-2, for example, it has a substantially circular shape. The fixed bucket cylinder 41
-1 and 41-2 have inner diameters of the lower punching blades 15-1 and 15-1.
It is made slightly larger than the inner diameter of 5-2. The fixed bucket cylinders 41-1 and 41-2 are provided below the lower punching blade support table 14 under the lower punching blades 15-1 and 15-1.
In correspondence with 5-2, a plurality of, for example, nine pieces are arranged in the width direction of the resin sheet 17 and connected so as to be coaxial with the lower punching blades 15-1 and 15-2. You. A slightly wide slit is formed in a side surface of a lower portion of the fixed bucket cylinders 41-1 and 41-2 so that a pressing member 53 described later passes therethrough in a vertical direction.

A mandrel 42-1 is provided at a position corresponding to the fixed bucket tube 41-1 and a mandrel 42-2 is provided at a position corresponding to the fixed bucket tube 41-2. The mandrels 42-1 and 42-2 are connected to the lower punching blades 15-1 and 15-2,
1-1, 41-2, and a tilting bucket cylinder 51 described later
-1, 51-2 are arranged so as to be able to move in the vertical direction in the figure. The mandrel 42-1,4
The lower end of 2-2 is attached to the upper end of the mandrel elevator 43, and the mandrel elevator 43 is attached to an elevator member 44, respectively.

The elevator member 44 extends in the width direction of the resin sheet 17, and each mandrel elevator 43 is attached. Further, both sides of the elevator member 44 are slidably attached to a guide rod 45. Further, the elevator member 44 includes:
It is attached to a linear body 46 such as a chain or a toothed belt. The linear body 46 includes pulleys arranged above and below,
The rotating body is stretched between rotating bodies such as gears, and is rotated by rotating the rotating body by a rotating power source 47 such as an electric motor.

Accordingly, when the rotary power source 47 is driven based on a command from the control device 30 or the like, the linear body 46 is rotated, and the elevator member 44 moves along the guide rod 45 in FIG. The mandrels 42-1 and 42-2 are moved in the vertical direction in FIG. 4.

Reference numeral 50 denotes a tilting device for tilting the punched and formed products 19.

The fixed bucket cylinders 41-1 and 4-1, 4
Below 1-2, the tilting bucket cylinder 51-
The tilt bucket buckets 51-2 in the row 1 and the row on the downstream side are arranged in pairs. That is, the tilt bucket cylinders 51-1 and 51-2 are arranged in nine pieces each, and have the same cross-sectional shape and inner diameter as the fixed bucket cylinders 41-1 and 41-2. Then, the tilting bucket cylinders 51-1, 51
On the two side surfaces -2, for example, the left and right surfaces in FIG. 4, a slightly wide slit for the pressing member 53 to pass is formed in the vertical direction. In addition, the tilting bucket cylinder 51
The lower end surfaces of -1, 51-2 are opened, and a plurality of protrusions projecting inward from the side surfaces are formed to support the molded product 18. The protrusions are provided on the mandrels 42-1 and 42-2.
Can be passed, but the punched product 19 is protruded to the extent that it cannot pass, and the punched product 19, that is, the lowermost punched product of the punched product stack 19s is accumulated. Support means for supporting the edge of the article 19.

The tilting bucket cylinders 51-1 and 51-1
1-2 is attached to the tilting frame 52. further,
The tilting frame 52 is swingably attached to a horizontal moving table 86, and is swung in a range of 90 degrees from vertical to horizontal by driving means such as a motor (not shown).

The tilting frame 52 has a plurality of, for example, nine pressing members 53 for pressing the tops of the punched molded product stacks 19s inside the tilting bucket cylinders 51-1 and 51-2. They are mounted side by side so that they can move up, down, left, and right. That is, the holding member 53 is provided with a holding cylinder device 54-
2 and the holding cylinder device 54-2 is
Further, it is attached to the holding cylinder device 54-1. The holding cylinder device 54-1 is attached to the tilting frame 52 via a vertical cylinder device 57 that moves the holding cylinder device 54-1 in the vertical direction in the figure.

When a cylinder device having a sufficiently long stroke can be used, a single holding cylinder device is used without using the holding cylinder devices 54-1 and 54-2. Thus, the pressing member 53 may be moved left and right in FIG.

Reference numeral 60 denotes a discharging device for discharging the tilted punched product stack 19s from the tilting bucket cylinder 51, and 61 denotes a pusher rod, which is a horizontal tilting bucket cylinder 51-1. , 51-2 are arranged side by side at positions corresponding to the tilt bucket buckets 51-1 and 51-2, respectively. The left end of the pusher rod 61 in FIG. 4 is attached to a long common connecting member 69 extending in the width direction of the resin sheet 17, and the common connecting member 69 is attached to the rodless cylinder 65. The rodless cylinder 65 is provided on the pusher support 6.
When the rodless cylinder 65 is operated by being slidably attached to a pusher guide 64 fixed at both ends to the rod 7, the rodless cylinder 65 itself moves rightward or leftward in the drawing.

A common support 81 supports the tilting device 50 and the discharge device 60.
The tilt support 87 is attached via a lifting device 85 provided with a hydraulic cylinder, an electric motor and the like, and the tilt support 87 is moved upward or downward in FIG.

Further, a horizontal moving guide 82 is fixed to both ends of the tilt support base 87, and a horizontal moving rodless cylinder 83 is slidably mounted on the horizontal moving guide 82. When the horizontally moving rodless cylinder 83 is operated, the horizontally moving rodless cylinder 83 itself moves rightward or leftward in the drawing. A horizontally movable table 86 to which the tilt frame 51 is swingably attached is attached to the horizontally movable rodless cylinder 83.

The pusher support 67 is attached to the common support 81 via an elevating device 88 having a hydraulic cylinder, an electric motor and the like.
Is moved upward or downward in the figure.

Finally, reference numeral 70 denotes a conveying device for feeding the discharged punched product stack 19s to a post-process such as packaging and boxing.
Is disposed on the downstream side (right side in the figure). The transport device 70 may be a conveyor, a transport trolley, or the like. In the present embodiment, a bar shooter 71 composed of two parallel bars is used in each embodiment. The bar shooter 71 is a molded product 1 formed in the width direction of the resin sheet 17.
Eight or more sets, for example, 11 sets are arranged in parallel.

The bar shooter 71 is mounted on a shooter frame 72 which is swingably mounted on a shooter support base 74, and a shooter cylinder device 73
Rocked by

Further, an end plate 75 and an end air blow 76 are disposed at the right end of each bar shooter 71 in the drawing. As will be described later, the punched product stack 1 on the bar shooter 71 passes through the hole of the end plate 75 from the end air blower 76.
Air is jetted toward the end of 9s (the right end in the figure). The end of the stamped product stack 19s is pressed against the end plate 75 and supported.

An intermediate plate 77 and an intermediate air blower 78 are provided at an intermediate portion of each bar shooter 71. The intermediate plate 77 and the intermediate air blower 78
Similarly to the end plate 75 and the end air blower 76, the molded product 19 located at the end of the stamped molded product stack 19s is supported and is for blowing out air. It is tilted integrally.

On the front end side of the bar shooter 71, a pressing plate 79a for supporting the end of the molded product placed on the bar shooter 71 is provided with a driving device 79 such as a cylinder.
It is supported to be able to move up and down. The holding plate 79a
It is comb-shaped and can support a molded product, but is formed so as to pass through the pusher load 61.

In place of the bar shooter 71,
A bar conveyor that moves the placed punched product stack 19s in the lateral direction may be used.

Next, the operation of the trimming device having the above configuration will be described.

FIG. 5 is a cross-sectional view taken along the line CC of FIG. 3 and is a first view showing the tilting operation in the embodiment of the present invention. FIG. 6 is a cross-sectional view taken along the line CC of FIG. FIG. 7 is a second view showing the tilting operation according to the embodiment of the present invention, and FIG.
FIG. 8 is a sectional view taken along the arrow C and showing a tilting operation according to the embodiment of the present invention. FIG. 8 is a sectional view taken along the line CC of FIG. 4th showing operation
FIG. 9 is a cross-sectional view taken along the line CC of FIG. 3, and FIG. 9 is a fifth diagram showing the tilting operation in the embodiment of the present invention, and FIG. 10 is a discharging operation in the embodiment of the present invention. The first figure,
FIG. 11 is a second diagram illustrating a discharging operation according to the embodiment of the present invention, FIG. 12 is a third diagram illustrating a discharging operation according to the embodiment of the present invention, and FIG. 13 is a discharging operation according to the embodiment of the present invention. It is the 4th figure which shows.

First, the trimming operation will be described.

In the trimming apparatus having the above-described configuration, the resin sheet 17 is intermittently conveyed, and the molded products 18 in the first row and the second row in the first lot are moved to the lower punching blade 15-1,
It reaches above 15-2 and is stopped.

Next, an upper punching blade driving device (not shown) is operated, the upper punching blade support table 12 is moved downward, and the upper punching blade 13 attached to the upper punching blade support table 12 is moved. -1, 13-2 mesh with the corresponding lower punching blades 15-1, 15-2, respectively.

Thus, the molded products 1 in the first and second rows
8 is the upper punching blade 1 in the state of being accurately positioned.
Trimming is performed by 3-1 and 13-2 and the lower punching blades 15-1 and 15-2. Then, the trimmed punched molded product 19 falls in the lower punching blades 15-1 and 15-2, and is in the lower punching blades 15-1 and 15-2 or the fixed bucket cylinder 41-. 1 and 41-2, and reaches the upper ends of the mandrels 42-1 and 42-2 to be accumulated. In addition,
Since the upper ends of the mandrels 42-1 and 42-2 are located slightly below the lower punching blades 15-1 and 15-2, the distance over which the punched molded product 19 falls is reduced. ,
The mandrels 42-1 and 42-2 are not disturbed.
-2, and the rotation driving force source 47 is operated to rotate the linear body 46, and the mandrel 4 is rotated.
2-1 and 42-2 are moved downward by one pitch of the punched molded product 19 on which they are accumulated.

Next, the upper punching blade driving device operates,
The upper punching blades 13-1 and 13-2 are moved upward, the resin sheet 17 is intermittently conveyed, and
The molded products 18 in the row are sent to and stopped on the lower punching blades 15-1 and 15-2. The molded products 18 in the third and fourth rows are trimmed in the same manner as the molded products 18 in the first and second rows to form punched molded products 19, and the lower punching blades 15-1, 15 are formed. -2 falls inside the mandrel 42
-1 and 42-2 are further accumulated on the punched molded product 19 already accumulated at the upper end.

Thereafter, by repeating the trimming operation, the mandrel 42-1 and 42-2 in the lower punching blades 15-1 and 15-2 or in the fixed bucket cylinders 41-1 and 41-2 are removed. Then, the punched products 19 are sequentially accumulated. In this case, the mandrels 42-1 and 42-2
Are successively moved downward by one pitch of the punched molded products 19 to be accumulated, so that the punched molded products 19 are accumulated on the mandrels 42-1 and 42-2 in an aligned state.

When the trimming operation is repeated a predetermined number of times, packaging and packing are performed on the mandrels 42-1 and 42-2.
A predetermined number of the punched products 19 to be sent to a post-process such as boxing are accumulated, and the punched product stacks 19s-1 and 19s- made up of the predetermined number of the punched products 19 respectively.
2 are formed.

Next, the mandrels 42-1 and 42-2
Is moved downward and the punched product stack 19s
-1, 19s-2 are tilting bucket cylinders 51-1, 51-
2 is moved.

Next, the tilting operation will be described.

As shown in FIG. 5, the mandrel 4
2-1 and 42-2 are further moved downward, pass through the open lower end surfaces of the tilting bucket cylinders 51-1 and 51-2, and move the tilting bucket cylinders 51-1 and 51-. Reach below 2. On the other hand, the stamped product stack 19s-
1, 19s-2 are the tilting bucket cylinders 51-1, 51
-2 supported by a projection formed on the lower end face,
It remains in the tilting bucket cylinders 51-1 and 51-2.

Next, as shown in FIG. 6, the holding member 53 is moved upward by the vertical cylinder device 57, and then is held by the holding cylinder devices 54-1 and 54-.
2 moves to the left in the figure and reaches the inside of the fixed bucket cylinders 41-1 and 41-2 through slits formed on the side surfaces of the fixed bucket cylinders 41-1 and 41-2. Here, the vertical position of the holding member 53 is determined by the punched molded product stacks 19s-1 and 19s-2 remaining in the tilting bucket cylinders 51-1 and 51-2.
Much higher than would normally be possible at the top of the.

Next, the holding member 53 is moved by the contraction of the vertical cylinder device 57 to the fixed bucket cylinder 41.
-1, 41-2, and tilting bucket cylinders 51-1, 51-
2 is moved downward to reach the position shown in FIG. Here, the position of the pressing member 53 in the vertical direction is such that a predetermined number of the punched molded products 19 in the tilting bucket cylinders 51-1 and 51-2 are densely stacked without any gap (gap). , The top positions of the punched product stacks 19s-1 and 19s-2 when pressed slightly from above.

By the movement of the pressing member 53 as shown in FIGS. 6 and 7, the punched molded product 19 is temporarily moved to the fixed bucket cylinders 41-1, 41-2 and the tilting bucket cylinder 51.
-1 and 51-2, the punched molded product 19 is moved downward in the figure and is normally accumulated. Further, the punched product stack 1
Since 9s-1 and 19s-2 are pressed from above, the height of the punched molded product stacks 19s-1 and 19s-2 is reduced, and the apparatus for discharging, transporting, etc. can be downsized. The state in which the punched molded products 19 are accumulated hardly collapses, and the aligned state is maintained, so that the handling becomes easy.

Next, as shown in FIG. 8, the pressing member 53 is connected to the punched product stacks 19s-1 and 19s-1.
When the horizontal moving rodless cylinder 83 is operated while holding the top of s-2, the horizontal moving table 86 is moved rightward in the figure, and the tilt bucket cylinder 51-1 is moved.
51-2 reaches the vicinity of the right end of the common support 81 in a vertical state.

Subsequently, as shown in FIG. 9, the pressing member 53 is connected to the molded product stacks 19s-1 and 19s.
While holding the top of -2,
The tilting frame 52 is tilted rightward in the figure by driving means 89 (see FIG. 3) such as an electric motor, and the tilting bucket cylinders 51-1 and 51-2 are in a horizontal state.

During this time, the mandrel 42-1
42-2 has been moved upward and has already returned to its initial position, as shown in FIG. Therefore, when the tilting operation is completed, the molded product 1 of the next lot
8 can be started, and the throughput of the entire trimming device can be improved.

Next, the discharging operation will be described.

When the tilting bucket cylinders 51-1 and 51-2 are in a horizontal state, as shown in FIG. 10, the right end portions of the tilting bucket cylinders 51-1 and 51-2 in the drawing are , Of the bar shooter 71 in the drawing. Further, the lower side wall in the figure of the tilting bucket cylinder 51-1 and the height of the upper surface of the bar shooter 71 are the same.

Next, the lifting device 88 is operated to move the pusher support 67 upward, and as shown in FIG. 10, the central axis of the pusher rod 61 is adjusted to the central axis of the tilting bucket cylinder 51-1. And almost match.

Then, the punched product stack 19s-1 is passed from the intermediate air blower 78 through the hole of the intermediate plate 77.
Is blown toward the end (the right end in FIG. 10).

Next, the rodless cylinder 65 operates,
The pusher rod 61 is moved to the right in the drawing to enter the tilting bucket cylinder 51-1 and pushes the punched molded product stack 19s-1 onto the bar shooter 71 on the right in the drawing. At this time, the holding cylinder device 54-2 is operated, and the holding member 53 is moved downward in the drawing to hold only the top of the stamped product stack 19s-2.

The punched product stack 19s-1 is pushed out of the tilting bucket cylinder 51-1 and is moved rightward on the bar shooter 71. In this case, since the air is blown out from the intermediate air blow 78, the punched molded product 19 located at the right end in the drawing of the punched molded product stack 19s-1 does not fall down but is moved in an aligned state. Can be

The pusher rod 61 is stopped when it reaches the position shown in FIG. In this case, since it is supported by the intermediate plate 77, the punched product 19 located at the right end of the punched product stack 19s-1 in the drawing does not fall over and is in an aligned state. The ejection of air from the intermediate air blow 78 is stopped.

Next, the rodless cylinder 65 is operated to move the pusher rod 61 to the left in the figure, and the pusher rod 61 is extracted from the tilting bucket cylinder 51-1. Since the stamped product 19 has a shape protruding rightward in the drawing, even if the pusher rod 61 is moved to the left in the drawing, the punched product stack 19s-1 is located at the left end in the drawing. Stamping molding 19
Are not overturned and are aligned. In the case of the punched molded product 19 that is easily overturned, the holding plate 79a
May be raised to support the left end of the stamped product 19.

Next, the elevating device 85 is operated to move the tilt support base 87 upward, and as shown in FIG.
The central axis of the tilting bucket cylinder 51-2 substantially coincides with the central axis of the pusher rod 61. Further, the lower side wall in the figure of the tilting bucket cylinder 51-2 and the height of the upper surface of the bar shooter 71 are the same.

Then, the punched product stack 1 is passed through the hole of the end plate 75 from the end air blow 76.
Air is jetted toward the end of 9s-1 (the right end in the figure).

Next, the rodless cylinder 65 operates,
The pusher rod 61 is moved rightward in the drawing to enter the tilting bucket cylinder 51-2, and pushes the punched molded product stack 19s-2 onto the bar shooter 71 on the right in the drawing. At this time, the holding cylinder device 54-1 is operated, and the holding member 53 is moved downward in the drawing, and is pulled out below the tilting bucket cylinder 51-2.

The punched product stack 19s-2 is pushed out of the tilting bucket cylinder 51-2 and is moved rightward on the bar shooter 71, and the punched product stack 19s-2 on the bar shooter 71 is moved to the right. It touches the product stack 19s-1. In this case, the punched product 19 on the right end in the drawing of the punched product stack 19s-2 fits into the punched product 19 on the left end in the drawing of the punched product stack 19s-1. Therefore, the stamped product stack 19s
-1 and 19s-2 are integrated with the bar shooter 7
1 is moved rightward in the figure. When the stamped product 19 is supported by the holding plate 79a,
Before the next punched molded product 19 arrives, the holding plate 79a
Is lowered.

At this time, since the intermediate air blower 78 and the intermediate plate 77 are tilted integrally by a power source (not shown), the punched product stack 19s-
1, 19s-2 does not hinder movement. Then, since air is jetted from the end air blower 176, the punched molded products 19 located at the right ends in the drawings of the punched molded product stacks 19s-1 and 19s-2 do not fall over and are aligned. Moved.

Next, the pusher rod 61 is
When the position shown in FIG. 3 is reached, it is stopped. In this case, since the punched products 19 are supported by the end plate 75, the punched products 19 located at the right end in the figure of the punched product stacks 19s-1 and 19s-2 do not fall over and are aligned. . The ejection of air from the end air blow 76 is stopped.

Thus, the punched product stack 19
Since the s-1 and 19s-2 are integrally mounted on the bar shooter 71, there is no need to connect the plurality of punched product stacks 19s in a post-process such as packaging and boxing. Therefore, the working efficiency does not decrease.

Thereafter, the punched product stack 19s-
1, 19s-2 is sent to a post-process such as packaging and boxing. Further, the tilting device 50 and the discharging device 60 return to the state shown in FIG.

As described above, in the present embodiment, 2
Punched molded products 19 for two rows are fixed bucket cylinders 41-
1, 41-2 and tilting bucket cylinders 51-1 and 51-2
The fixed bucket cylinders 41-1, 41-2 and the tilting bucket cylinder 51-
1, 51-2 can be shortened, and the punched products 19 can be integrated in an aligned state, and the entire trimming device does not become large.

Furthermore, since the punched products 19 for two rows can be simultaneously accumulated, the punched product stack 19
There is no need to frequently stop the operation of the trimming device to discharge s, and there is no reduction in throughput.

Further, the tilting bucket cylinders 51-1 and 5-1, 5
Punched molded product stacks 19s-1 and 19s-2 in 1-2
Can be transferred to the carrier device as a unit,
The stamped product stack 19s can be lengthened.

In the above embodiment, the tilting bucket cylinder and the fixed bucket cylinder are provided in two rows in the resin sheet conveying direction. However, three or more rows may be provided. In addition, the present invention is not limited to the above-described embodiment, and can be variously modified based on the gist of the present invention, and they are not excluded from the scope of the present invention.

[0091]

As described above in detail, according to the present invention, in the molded article accumulating and conveying apparatus, the lower part of the lower punching blade of the trimming device for trimming the molded article formed on the resin sheet in a plurality of rows is provided. A plurality of rows of tilting bucket cylinders arranged in a row, the tilting bucket cylinders are tilted and leveled while holding the accumulated molded products inside, and then the tilting buckets of each row are tilted. The molded articles accumulated inside the cylinder are sequentially discharged.

In this case, by shortening the tilting bucket cylinder, the molded products can be accumulated in an aligned state, so that the entire trimming device does not become large. In addition, since the molded products for a plurality of rows can be simultaneously accumulated, it is not necessary to frequently stop the operation of the trimming device in order to discharge the accumulated molded products, and the throughput does not decrease.

In the method for accumulating and conveying molded articles of the present invention,
A plurality of rows of upper punching blades that move up and down and a plurality of rows of fixed lower tubular punching blades that are fixed are meshed with each other to accumulate trimmed punched molded products, and beneath the lower punching blades. The tilted bucket cylinders in each row are tilted and held horizontally in a state where the tilted bucket cylinders are held in the plurality of rows of tilted bucket cylinders and the accumulated molded products are held inside. The accumulated molded products are sequentially discharged inside.

In this case, by shortening the tilting bucket cylinder, the molded products can be accumulated in an aligned state, so that the entire trimming device does not become large. In addition, since the molded products in a plurality of rows can be simultaneously accumulated, it is not necessary to frequently stop the operation of the trimming device in order to accumulate and eject the molded products, and the throughput does not decrease.

[Brief description of the drawings]

FIG. 1 is a side view of a trimming device according to a first embodiment of the present invention.

FIG. 2 is a conceptual diagram of a conventional trimming device.

FIG. 3 is a view as viewed in the direction of arrows AA in FIG. 1;

FIG. 4 is a view as viewed in the direction of arrows BB in FIG. 3;

FIG. 5 is a cross-sectional view taken along the line CC of FIG. 3 and a first view of the embodiment of the present invention.

FIG. 6 is a cross-sectional view taken along the line CC of FIG. 3, and is a second view in the embodiment of the present invention.

FIG. 7 is a cross-sectional view taken along the line CC of FIG. 3, and is a third view in the embodiment of the present invention.

FIG. 8 is a cross-sectional view taken along the line CC of FIG. 3 and is a fourth diagram in the embodiment of the present invention.

FIG. 9 is a cross-sectional view taken along the line CC of FIG. 3 and is a fifth view in the embodiment of the present invention.

FIG. 10 is a first diagram illustrating a discharging operation according to the embodiment of the present invention.

FIG. 11 is a second diagram illustrating a discharging operation according to the embodiment of the present invention.

FIG. 12 is a third diagram illustrating a discharging operation according to the embodiment of the present invention.

FIG. 13 is a fourth diagram illustrating the discharging operation in the embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 10 Trimming device main body 13-1, 13-2 Upper punching blade 15-1, 15-2 Lower punching blade 17 Resin sheet 18 Molded product 19 Punched molded product 30 Control device 51-1, 51-2 Tilt Bucket cylinder

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI theme coat ゛ (reference) // B23D 33/00 B23D 33/00 FF term (reference) 3C021 LA02 3C051 AA12 EE15 EE22 4F208 AA11 AA13 AA15 AC03 AG07 AH58 MA01 MA02 MA05 MA06 MB01 MC01 MC03 MG01 MW02 MW23

Claims (6)

[Claims] (A) a plurality of rows of tilting bucket cylinders arranged below a lower punching blade of a trimming device for trimming a plurality of rows of molded articles formed on a resin sheet; and (b) After tilting and tilting the tilting bucket cylinder while keeping the accumulated molded articles therein, the molded articles accumulated inside the tilting bucket cylinders in each row are sequentially discharged. Molded product transfer equipment. 2. The integrated molded product is discharged by sequentially moving the tilted bucket cylinder that has been leveled upward or downward.
3. The molded article accumulation and transfer device according to 1. 3. The molded article accumulating and conveying apparatus according to claim 1, wherein after the tilt bucket cylinder is horizontally moved, the tilt bucket cylinder is tilted to be horizontal. 4. A plurality of rows of upper punching blades that move up and down and a plurality of rows of fixed lower punching blades that are fixed to each other are stacked to form trimmed molded products. Holding it in a plurality of rows of tilting bucket cylinders arranged under the punching blade,
(B) The tilted bucket cylinders are tilted to be horizontal while the accumulated molded articles are held inside, and (c) the accumulated molded articles are sequentially discharged into the tilt bucket cylinders in each row. A method for accumulating and transferring molded articles. 5. The integrated molded product is discharged by sequentially moving the tilted bucket cylinder that has been leveled upward or downward.
3. The method for collecting and transferring molded articles according to item 1. 6. The tilting bucket cylinder is horizontally moved after the tilting bucket cylinder is horizontally moved.
Or the method for accumulating and transferring molded articles according to 5.