JP2504560Y2 - Long workpiece folding device - Google Patents

Description

[Detailed description of the device]

[0001]

[Industrial application] This invention is for pickling vegetables with long length,
Especially, when packing long vegetables such as pickled vegetables, such as pickled vegetables such as salted Nozawana, and raw or boiled noodles into bags, containers, etc. according to their size. The present invention relates to a length-long workpiece folding device that is folded into a predetermined length.

[0002]

2. Description of the Related Art In the case of pickled vegetables, for example, in the case of long-sized pickles, when cutting them into small pieces and bagging them, the whole process could be automated by a machine to improve work efficiency.
It is difficult to make a mechanical device when folding it into 3-4 bags while keeping the length (Nozawana has a standard length of about 70 cm), so this folding process still requires manual work. There are many places. However, this manual bending work is burdensome in terms of labor and the like, and since the folded state can vary, reworking is required when packing the bag, which is inefficient. Therefore, recently, as an automatic machine that solves this problem, as shown in (A), (B), and (C) of FIG.
(A) About the lengthy pickles N sent on the table T,
(B) Lift and bend one side n upward, and then
(C) Similarly, a device that lifts the other side n'upward and folds it in three has been developed and is already in practical use.

[0003]

In this conventional mechanical device, pickles to be folded are lifted upward on one side or the other side and bent vertically.
There is a drawback that pickles cannot be shaped and folded when folded because the pickles are laterally scattered due to gravity. In particular, pickles and the like are bundled with a plurality of strains according to the size of the strains and are supplied to the folding device as a fixed amount, but since the sizes of the strains are not uniform, it is easy to disperse and Incidence rate increases and yield decreases. Further, since it is a method of bending in a vertical plane, there is a problem that the machine size becomes large and the mechanism becomes complicated. The present invention solves the above-mentioned problems of the conventional technology, and can fold pickles and other items with stable quality at high speed, does not require a large-scale device, and has a simple mechanism for folding long workpieces. It is an object to provide a tatami mat device.

[0004]

[Means for Solving the Problems] As a concrete means for achieving the above object, the present invention includes (1) a table which is horizontally mounted on a bed and which is rotated at a predetermined angle. Support means for supporting a work piece to be folded on the table; a holding plate capable of advancing and retracting in a direction of pressing the work piece against the support means at a position where the work piece is folded; Biasing force applying / releasing means for urging the holding plate to press against the supporting means via the workpiece only during the bending process of the object, and the supporting means for supporting the workpiece on the table on a horizontal plane. A lengthy workpiece folding device, comprising: a bending member for bending at least one side with a fulcrum as a fulcrum, and a rotating means for rotating the bending member by 180 ° about a supporting means as a fulcrum. Proposal (2) A table which is linearly and intermittently fed in a horizontal state, a support means for supporting a work piece to be folded on the table, and a work piece at a position where the work piece is folded. A pressing plate that can move back and forth in the direction of pressing the object against the supporting means, and a biasing plate that presses the pressing plate against the supporting means through the workpiece only during the bending process of the workpiece. Urging force applying / releasing means, a bending member for bending the workpiece on the table to at least one side on the horizontal plane with the supporting means as a fulcrum, and the bending member is rotated by 180 ° with the supporting means as a fulcrum. The present invention also proposes a lengthy workpiece folding device, which is provided with a rotating means for driving.

[0005]

By the above means, the work piece is horizontally placed on the rotating table in the first aspect of the invention, and horizontally on the table which is intermittently fed straight forward in the second aspect of the invention. , At the indexing position of the rotating table, and at the intermittently fed position of the straight-moving table, the lower surface of the table is always restrained, and the workpiece is supported while maintaining the horizontal state. The means and the holding plate bend at least one of the peripheral side surfaces of the work piece by the bending member,
It can be folded in two, folded in three or more.

[0006]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. 1 to 10 show an embodiment showing a lengthy workpiece folding device 1 of a type in which a table is rotated in a horizontal state and intermittently fed, and a workpiece is bent at each indexing position. Referring to FIG. 1, a lengthy workpiece folding device 1 according to the present embodiment includes a rotary table 2.
A support means 4 for supporting a workpiece to be folded on the rotary table 2, for example pickles 3, and a pressing plate 5 for urging the pickles 3 against the support means 4. Cam members 6a and 6b as biasing force applying / releasing means for applying a pressing force to the pressing plate 5 only during the bending process of the pickles 3 and the pickles 3 on one side 4a of the supporting means 4. A first bending member 7a that is bent and a second bending member 7b that is also bent on the other side 4b.
And a first rotating means 8a for rotating and driving the first bending member 7a and a second rotating means 8b for rotating and driving the second bending member 7b.

As shown in FIGS. 2 and 3, the rotary table 2 is horizontally mounted on a bed 10 via an indexing unit 11 and the indexing unit 11
The unit 11 rotates 90 ° each and rotates, and the four indexing positions shown in the first station, the second station, the third station and the fourth station (see FIG. 1).
Hold). This indexing position is shown for the case where the rotary table 2 is divided into four 90 ° units.
A plurality of cycles may be provided, where the indexing angle is subdivided and the process from the first station to the fourth station is one cycle. Indexing Unit 11
Is driven by a motor 13 with an electromagnetic clutch / brake through a flexible coupling 12. The indexing time interval (station stop time) control of the indexing unit 11 detects the indexing position of the indexing unit 11 by the indexing detection sensor 14, and the timer detects the electromagnetic clutch / electromagnetic clutch of the brake-equipped motor 13. Turn on and off the brake.

The supporting members constituting the supporting means 4, that is, a set of two supporting rods 4a and 4b, are arranged at positions along the peripheral portion of the rotary table 2 at the respective indexing positions from the first station to the fourth station. It is installed in some places. As shown in FIG. 4, the upper ends of the support rods 4a and 4b are fitted on the rotary table 2 so that they can be retracted from the upper surface of the rotary table 2, and as shown in FIG. They are fixed to each other by a connecting plate 15. A tongue piece 15a that engages with a knuckle 19 (FIG. 4) described later is attached to the lower portion of the connecting plate 15. Also, the connecting plate 1
5 and the lower surface of the turntable 2 between the spring 16
Is urged so that the connecting plate 15 is always pulled up to the rotary table 2 side, that is, the upper ends of the support rods 4a and 4b project from the upper surface of the rotary table 2.

As shown in FIGS. 3 and 4, at the indexing positions of the first station and the fourth station,
An air cylinder 18 is provided on a stand 17 that is raised from the bed 10, and a knuckle 19 is formed at the tip of a rod 18a thereof. At the indexing positions of the first station and the fourth station, the rod 18a of the air cylinder extends and the knuckle 19 moves to the connecting plate 1.
5 immediately after engaging with the lower tongue piece 15a of the rod 1.
8a contracts, and the spring 16 stretched on the connecting plate 15
As a result of lowering the connecting plate 15 from the position indicated by the imaginary line in FIG. 4 to the position indicated by the solid line in FIG.
The upper ends of the a and 4b are pulled in to a position where they coincide with the upper surface of the rotary table 2. The rotary table 2 rotates and the first
After passing the station, the engagement between the tongue piece 15a and the knuckle 19 is released, and the support rods 4a and 4b move to the spring 16
By the action of, it protrudes from the upper surface of the rotary table 2, and this state continues until just before reaching the fourth station. The supporting means 4 may be formed of a single plate-shaped body instead of the pair of supporting rods 4a and 4b.

As shown in FIGS. 6 and 7, the presser plate 5 is moved back and forth by a presser plate guide mechanism portion 20 fixed to the lower peripheral portion of the rotary table 2 at each index position from the first station to the fourth station. It is movably mounted. That is, the cylindrical guide holders 22 are provided on the left and right of the mounting plate 21 fixed to the lower peripheral portion of the rotary table 2.
a, 22b are attached, and guide rods 23a, 23
Insert b. The ends of the guide rods 23a and 23b are connected to each other by the outer plate 24a and the inner plate 24b. On the upper side of the outer plate 24a,
Left and right arms 25a and 25b (see FIGS. 2 and 4) are provided in a protruding manner, and a pressing plate 5 is fixed to the tip end portions thereof. Between the mounting plate 21 and the inner plate 24b, two springs 26a, 2 are provided in parallel with the guide rods 23a, 23b.
6b, the outer plate 24a, that is, the arm 25
The pressing plates 5 at the tips of a and 25b are constantly urged toward the center of the rotary table 2. An L-shaped attachment member 27 is fixed to the rear end of the outer plate 24a, and a cam follower 28 is attached to this.

2 to 4, the bed 1 is located at the indexing positions of the first station and the fourth station.
0, the cam members 6a and 6b as the biasing force applying / releasing means are fixed via the column 30. At the indexing positions of the first station and the fourth station, the cam follower 28 passes over the cam members 6a and 6b, so that the outer plate 24a resists the tensile force of the springs 26a and 26b to the outer side of the rotary table 2. Be drawn to. Therefore, the presser plate 5 is retracted and is pulled up to near the outer peripheral portion of the rotary table 2. Positions excluding 1st and 4th stations,
For example, at the indexing positions of the second station and the third station, the cam followers 28 are disengaged from the cam members 6a and 6b, and the pressing plates 5 are moved forward by the action of the springs 26a and 26b, and are projected from the upper surface of the rotary table 2. The pickles 3 are pressed toward the support bars 4a and 4b.

Next, a folding mechanism for folding pickles will be described. As shown in FIGS. 2, 3 and 6, a column 30 'is fixedly erected on the bed 10 at the indexing positions of the second station and the third station, and the column 30' has the second station. Holds the first bending mechanism 9a and holds the second bending mechanism 9b at the third station. The first bending mechanism 9a is
Presser plate 5 and biasing force applying / releasing means 6a for this presser plate
A first bending member 7a, a first rotating means 8a,
The support member 4 located at the center of rotation of the first rotating means.
a. The second bending mechanism 9b includes a pressing plate 5, a biasing force applying / releasing means 6b for the pressing plate, and a second bending mechanism 9b.
The bending member 7b, the second rotating means 8b, and the second
And a support member 4b located at the center of rotation of the rotating means. First folding mechanism 9a and second folding mechanism 9b
Since only the directions of rotation differ from each other and the other mechanisms are the same, in the following description, for the second bending mechanism 9b, the same members are designated by the same reference numerals, and The description is omitted, and only the first bending mechanism 9a will be described.

The first rotating means 8a is a vertical movement guide mechanism section.
31 , a rotation mechanism portion 32 and a forward / backward movement guide mechanism portion 33 . The vertical movement guide mechanism portion 31 includes a vertical movement air cylinder 40 attached to a top plate 39 fixed to the upper end of the column 30 ', and guide bars 42a inserted into guide cylinders 41a and 41b arranged on both sides thereof. And 42b. Rod 40 of the vertical movement air cylinder 40
An intermediate plate 44 is fixed to a through a spacer 43,
Further, a bottom plate 45 is attached to the lower ends of the guide bars 42a and 42b. Then, the intermediate plate 44 and the bottom plate 45 are connected by a linear shaft 46.

The intermediate plate 44 has a rotating mechanism 3
2 is installed. Output shaft 47a of this rotary actuator 47
Is led out below the bottom plate 45 via a bearing, and the rotary plate 48 is fixed to the lower end portion thereof. Then, the stay 49 is attached to the lower part of the rotary plate 48.

The stay 49 has a forward / backward movement guide mechanism 3
The air cylinder 50 for forward / backward movement, which constitutes No. 3 , is attached, and the pushing plate 7a which is the first bending member is fixed to the rod 50a thereof in a direction parallel to the holding plate 5.

In the operation of the first rotating means 8a, first, the rotating mechanism 32 is lowered by the vertically moving air cylinder 40, so that the pushing plate 7a is lowered to the position 7a 'on the rotary table 2 shown in FIG. Then, the rod 50a of the longitudinal air cylinder 50 extends toward the center of the rotary table 2 and the pushing plate 7a advances to the position 7a "near the supporting rods 4a and 4b. Board 7
The rotary actuator 47 is driven to rotate a by 180 ° in one direction, that is, the counterclockwise direction (FIG. 1). In this way, the pickled vegetables 3 are bent by the one side (one support rod) 4a of the support means 4.

Past the indexing position of the second station,
When the indexing position of the third station is reached, the second rotating means 8b drives the pushing plate 7b to rotate in the other direction, that is, clockwise (FIG. 1) by 180 °, so that the pickles 3 are on the other side of the supporting means 4. (Other support rod) Bend at 4b. As a result, the pickles 3 are folded in three with the support means 4 as a reference.

The operation of the lengthy workpiece folding device having the above mechanism will be described below. (1) At the indexing position of the 1st station,
Inserting Step] The pickled vegetables 3 to be folded are put into the space between the support bars 4a and 4b on the rotary table 2 and the holding plate 5 manually or by a loading loader.

(2) From the first station to the second station
When the rotary table 2 is rotated at the indexing position to reach the position of the rotary table 2, the support rods 4a and 4b project from the upper surface of the rotary table 2 and the cam follower 28 is disengaged from the cam member 6a, so that the holding plate 5 is moved to the center of the rotary table 2. And the support rods 4a, 4b
Press pickles 3 between and and hold.

(3) At the indexing position of the second station
[First Bending Step] The first rotating means 8a lowers the pushing plate 7a, which is the first bending member, to the upper surface of the rotary table 2 and then advances toward the center of the rotary table 2. After that, one side is turned counterclockwise about one side (one support rod) 4a of the support means 4.
It is rotated by 80 ° and the pickles 3 are bent for the first time.

(4) At the indexing position of the 3rd station
[Second Bending Step] The second rotating means 8b lowers the pushing plate 7b, which is the second bending member, to the upper surface of the rotary table 2 and then advances toward the center of the rotary table 2. After that, the other side (the other supporting rod) 4b of the supporting means 4 is centered and the
It is driven to rotate by 0 ° and the pickled vegetables 3 are bent for the second time.

(5) From the third station to the fourth station
When the rotary table 2 rotates at the indexing position reaching the position, the cam follower 28 passes over the cam member 6b, and the holding plate 5 retracts to near the outer peripheral portion of the rotary table 2.

(6) At the indexing position of the 4th station
[Material discharging step] The support rods 4a and 4b are pulled in from the upper surface of the rotary table 2, and the folded pickles 3 are discharged to the outside of the device by a manual or discharging loader.

8A and 8B are conveyors for automatically supplying materials (height pickles) to a long workpiece folding device and automatically discharging folded materials. FIG. 3 is a plan view and a side view of the device. The material (length pickles) is continuously supplied to the conveying device 60 in the arrow a direction, and then intermittently conveyed in the arrow b direction. At the end of the carrier device 60, the material (height pickles) is fed by the hand 61 of the loading loader 61.
After being held by a and lifted, it is rotated 180 ° and hung between the supporting rods 4a, 4b and the holding plate 5 at a predetermined position in the first station of the long pickles folding device 1 (see FIG. 1). It is lowered and the grip is released. The folded material that has been folded through the second station and the third station is
It is gripped by one hand 62a of the discharge loader 62 waiting at the fourth station, lifted, rotated by 180 °, and sent from the discharge device 63 to the bagging machine by a known means.

1 to 8 show a mode in which the long pickles 3 are folded on the rotary table 2 into three by the first folding mechanism 9a and the second folding mechanism 9b. , Depending on the length of pickles, fold it in half,
Alternatively, various cases such as four-fold or more are envisioned. FIG. 9 and FIG. 10 show a mode in which the pickles 3 are folded in two by the folding process from the first station to the third station in which the rotary table 2 is divided into three. Here, the first of the above embodiments
Since the folding mechanism 9a is omitted, and the remaining mechanism is the same, the same members are designated by the same reference numerals and the description of the mechanism is omitted.

The operation of the lengthy workpiece folding device 1 shown in FIGS. 9 and 10 will be described. (1) At the indexing position of the 1st station,
Inserting Step] The pickled vegetables 3 to be folded are put into the space between the support bars 4a and 4b on the rotary table 2 and the holding plate 5 manually or by a loading loader.

(2) From the first station to the second station
When the rotary table 2 is rotated at the indexing position to reach the position of the rotary table 2, the support rods 4a and 4b project from the upper surface of the rotary table 2 and the cam follower 28 is disengaged from the cam member 6a, so that the holding plate 5 is moved to the center of the rotary table 2. And the support rods 4a, 4b
Press pickles 3 between and and hold.

(4) At the indexing position of the second station
[Bending step] After the second rotating means 8b lowers the pushing plate 7b, which is the second bending member, to the upper surface of the rotary table 2, and then advances toward the center of the rotary table 2, The other side of the support means 4 (the other support rod) 4b is used as a center to move clockwise 18
It is rotated by 0 ° and the pickles 3 are bent.

(5) From the second station to the third station
When the rotary table 2 rotates at the indexing position reaching the position, the cam follower 28 passes over the cam member 6b, and the holding plate 5 retracts to near the outer peripheral portion of the rotary table 2.

(6) At the indexing position of the 3rd station
[Material discharging step] The support rods 4a and 4b are pulled in from the upper surface of the rotary table 2, and the folded pickles 3 are discharged to the outside of the device by a manual or discharging loader.

In each of the above embodiments, the rotary table is divided into four or three and two or one folding mechanism is used to fold the pickles into three or two. However, it is also possible to divide the rotary table into five or more and fold into four or more. Further, even in the case of three-folding, in the first folding step, the ends of the pickles are extended in the folding direction, and in the second folding step, the ends are folded back again, and as a result, It may be folded in four or more.

11 to 22 show an embodiment of a long work piece folding apparatus 1 of a type in which a table is horizontally fed intermittently in a straight state to bend a work piece.
In FIG. 11, a lengthy workpiece folding device 1 includes a table 2 and pickles 3 to be folded on the table 2.
Supporting means 4 for supporting the pickled vegetables 3, a pressing plate 5 for urging the pickled vegetables 3 against the supporting means 4, and a pressing force applied to the pressing plate 5 only during the bending process of the pickled vegetables 3 A biasing force applying / releasing means 6, a first bending member 7a for bending the pickled vegetables 3 with one supporting means 4a as a fulcrum, and a second bending member 7b for bending the pickled vegetables 3 with the other supporting means 4b as a fulcrum. It is provided with a first rotating means 8a for rotating the first bending member 7a and a second rotating means 8b for rotating the second bending member 7b.

As shown in FIGS. 12 and 13, the table 2 has a plurality of rollers 71, which are axially attached to the frame 70, in the upper and lower two-stage conveying areas of the lengthy workpiece folding apparatus 1.
Roller row unit 7 in which 72 are linearly arranged in two rows
5 is slidably placed on the table 5, and is intermittently fed by the table advancing feed mechanism 80 in the upper conveying region and by the table reverse advancing mechanism 95 in the lower conveying region, and both end portions of the roller row unit 75 are fed. The table raising and lowering transfer mechanism 90 and the table lowering and transfer mechanism 100, which are installed in the table, transfer the sheets between the upper and lower transfer areas and convey them on the roller row unit 75 in a cycle. Then, in the upper transfer area where the pickles 3 are bent, the first
It holds four different positions (see FIG. 11) designated station, second station, third station and fourth station.

The table lifting transfer mechanism 90 comprises two rows of rollers 71a and 72a at the position of the first station.
Between the table 70 and the guide cylinders 92a, 9 arranged on both sides thereof.
It consists of guide bars 93a and 93b inserted through 2b,
At the position of the first station, the rod 91a of the table lifting air cylinder 91 is extended to move the table 2
To rise. When the table 2 is raised, the two rows of rollers 71a, 72a at the position of the first station are arranged.
As shown in FIG. 13, the rods of the air cylinders 94 for front and rear movement of the roller rows installed on both outer sides of the table 2 are retracted and retracted outside the both side surfaces of the table 2 so as not to interfere with the table 2. There is. Then, when the table 2 rises above the rollers 71a, 72a of these two rows, the rod of the air cylinder 94 for longitudinal movement of the roller rows expands,
As shown in FIGS. 14 and 15, the table 2 is pushed inward from both side surfaces. Next, when the rod 91a of the table-raising air cylinder 91 is retracted, the table 2 becomes
The rollers are mounted on the two rows of rollers 71a and 72a and are slidable along the roller row unit 75.

The pickles 3 to be folded are loaded manually or by a loading loader at a predetermined position on the table 2, that is, between the supporting means 4 and the holding plate 5, at the position of the first station.

Locking ridges 2a and 2b are formed at the front and rear ends of the table 2 so as to project from the lower surface thereof. As shown in FIGS. 12 and 13, pickles 3 are placed on the table. The formed table 2 is sent to the position of the second station, which is the next step, by the table advance feed mechanism 80. The table advancing feed mechanism 80 is shown in FIG.
As enlargedly shown in (b) and (c), it is composed of a table carrying air cylinder 81 and a vertically swinging air cylinder 82. The table-conveying air cylinder 81 has a movable portion 8
1a is composed of a so-called rodless cylinder that moves in the transport direction of the table 2, and the arm 8 is attached to the movable portion 81a.
3 is fixed. On the arm 83, table connecting metal fittings 84a, 84b to be engaged with the engaging projections 2a, 2b of the table 2 are provided near the rear end and the front end, and
A table pushing metal fitting 85 is attached to the front end portion so as to come into contact with the locking projection 2b of the table 2. Further, in the frame 70 directly below the table transfer air cylinder 81,
A vertically swinging air cylinder 82 is provided, and the table transporting air cylinder 81 is swung up and down in a manner that the rod is extended and retracted so as to incline with one point as a fulcrum, and the table connecting fittings 84a, 84b or The table pushing fitting 85 is disengaged from the locking projections 2a and 2b of the table 2.

Now, with the rod of the vertical rocking air cylinder 82 retracted, the table carrying air cylinder 8 is moved.
17 is moved to the left, that is, from the position indicated by the solid line in FIG. 17 (b) to the position indicated by the chain line, and then the rod of the vertically swinging air cylinder 82 is extended to attach it to the rear end of the arm 83. The table connecting metal fitting 84a holds the locking projection 2a of the table 2 located at the first station.
Then, the movable portion 81 of the table-conveying air cylinder 81.
When a is moved to the right (home position), the table 2 is conveyed from the first station to the position of the second station.

At the position of the second station, the table 2
18 (a), (b), and (c) of FIG. 18, the table lifting air cylinder 105 and the guide cylinders 106a, 106b, 106c, and 106d arranged in the front, rear, left, and right of the table are inserted. A table mounting plate 108 that moves up and down by the guide bars 107a, 107b, 107c, 107d is attached, and the rod 105a of the table lifting air cylinder 105 is extended to lift the table 2 above the surfaces of the rollers 71 and 72. Let

The frame 70 above the table 2 is provided with a first folding mechanism 9a for folding the pickles 3 on the table 2. As shown in FIGS. 12, 13, 16 and 19, the first bending mechanism 9a includes a holding plate 5, a biasing force applying / releasing means 6 for the holding plate, and a first bending member 7a. And a first rotation means 8a and a support member 4a located at the center of rotation of the first rotation means. The pressing plate 5 is driven back and forth by a biasing force applying / releasing means 6 which is composed of an air cylinder 115 for longitudinal movement and left and right slide guides 116a and 116b (FIG. 19). The first bending member 7a is supported by the left and right slide guides 118a and 118b, is driven forward and backward by the air cylinder 117 for forward and backward movement, and is supported by the rotary actuator that constitutes the first rotating means 8a. It can be rotated 180 ° in one direction with 4a as a fulcrum.

The table 2 is supported by the support member 4 by extending the rod 105a of the table-raising air cylinder 105.
a, the pressing plate 5, and the first bending member 7a, the pickles 3 are moved up to a position of a few mm before coming into contact with the respective lower end portions thereof, and the pickles 3 placed at a predetermined position on the upper surface of the supporting member 4a and the pressing plate 5 And the first bending member 7a. In this state, the rods of the front and rear air cylinders 115 and 117 are extended to advance the holding plate 5 and the first bending member 7a,
The pickles 3 are pressed against the support member 4a. Then, the first rotating means 8a operates, the first bending member 7a rotates about the support member 4a as a fulcrum, and the first bending is performed.

After the first bending step is completed, the first rotating means 8a is returned to its original position, and the air cylinders 115 for forward and backward movement are formed.
When the rod 105a of the table lifting air cylinder 105 is retracted after the rod of 117 is retracted, the table 2
Again rests on each of the two rows of rollers 71, 72 and is slidable along the roller row unit 75. Then, by the table advancing feed mechanism 80, the third step which is the next step
It is sent to the location of the station.

After moving the movable portion 81a of the table-conveying air cylinder 81 to the left again, that is, from the position indicated by the solid line in FIG. 17B to the position indicated by the chain line, the rod of the vertically swinging air cylinder 82 is extended. Then, the table connecting metal fitting 84b attached to the front end portion of the arm 83 holds the locking projection 2a of the table 2 located at the second station.
Then, the movable portion 81 of the table-conveying air cylinder 81.
When a is moved to the right (home position), the table 2 is transported from the second station to the position of the third station.

At the position of the third station, as shown in FIG.
As in the position of the second station shown in (a), (b), and (c), the guides inserted through the table-raising air cylinder 110 and the guide cylinders arranged in the front, rear, left, and right thereof under the table 2. The table mounting plate 111 that moves up and down by the bar is attached, and the rod 1
10a is extended to raise the table 2 above the surface of the rollers 71 and 72.

A second folding mechanism 9b is installed on the frame 70 above the table 2 at a position corresponding to the first folding mechanism 9a in the second station. Second
As shown in FIGS. 12 and 13, the bending mechanism 9b of
A pressing plate 5, a biasing force applying / releasing means 6 for the pressing plate,
The second bending member 7b, the second rotating means 8b, and the supporting member 4b located at the center of rotation of the second rotating means are provided. The pressing plate 5 is driven back and forth by a biasing force applying / releasing means 6 including an air cylinder 120 for longitudinal movement and left and right slide guides 121a, 121b. The second bending member 7b is supported by the left and right slide guides 123a and 123b, is driven back and forth by the forward / backward movement air cylinder 122, and is supported by the rotary actuator that constitutes the second rotating means 8b. 18 in the other direction with 4b as the fulcrum
It is rotated 0 °.

The pickles 3 placed at a predetermined position on the upper surface of the table 2 are separated from the support member 4b, the holding plate 5 and the second bending member 7b by the extension of the rod 110a of the table raising air cylinder 110. Enter In this state, the rods of the front-back movement air cylinders 120 and 122 are extended, the pressing plate 5 and the second bending member 7b are advanced, and the pickles 3 are pressed against the support member 4b. Then, the second rotating means 8
b is operated, the second bending member 7b is rotated about the supporting member 4b as a fulcrum, and the second bending is performed.

After the second bending step is completed, the second rotating means 8b is returned to the original position, and the air cylinders 120 for forward and backward movement are provided.
After retracting the rod 122, the rod 110a of the table lifting air cylinder 110 is retracted, and the table 2
Again rests on each of the two rows of rollers 71, 72 and is slidable along the roller row unit 110. Then, the table 2 on which the pickles 3 that have undergone the folding process are placed is sent to the position of the fourth station, which is the next process, by the table advance feed mechanism 80.

After moving the movable portion 81a of the table-conveying air cylinder 81 located at the position indicated by the solid line in FIG. 17B to the position indicated by the chain line, the rod of the vertically swinging air cylinder 82 is extended. Then, when the movable portion 81a of the table-conveying air cylinder 81 is moved to the right (home position), the table pushing metal fitting 85 attached to the front end portion of the arm 83 is for locking the table 2 located at the third station. The table 2 is conveyed from the third station to the position of the fourth station because it abuts the ridge 2b and pushes the table 2 in.

The folded pickles 3 are discharged outside the apparatus at the position of the fourth station, either manually or by a discharge loader.

In the two rows of rollers 71a, 72a at the position of the fourth station, as in the position of the first station, the rods of the roller row longitudinal movement air cylinders 94 installed on both outer sides of the rollers extend and contract, The structure is such that the table 2 appears and disappears inward from both side surfaces. Pickles 3
In the table 2 from which the air has been discharged, the rods of the air cylinders 94 for front and rear movement of the roller rows are retracted so that the rollers 71 of the two rows are
After the a and 72a are retracted to the outside of both side surfaces of the table 2, the table lowering transfer mechanism 100 is operated, that is, when the rod 101a of the table lowering air cylinder 101 is retracted, the two rows in the lower transfer area are conveyed. Each roller 71
It is transferred to the rollers b and 72b and can be slid along the roller row unit 75.

The table 2 moved to the lower carrying area is carried by the table backward moving mechanism 95 through the positions corresponding to the third station and the second station and sequentially to the position corresponding to the first station. As shown in FIGS. 12 and 16, the table backward movement mechanism 95 includes two table conveyance air cylinders 96, 96, which are similar to the table forward movement mechanism 80 in the upper conveyance region, arranged in parallel in the table conveyance direction. And air cylinders 97, 97 for vertically swinging, respectively. The table-conveying air cylinders 96, 96 have movable arms 96a, 96a, and arm 9
8 and 98 'are fixed, and one arm 98 is provided at its front and rear ends with table connecting fittings 99a and 99b which are to be engaged with the engaging projections 2a and 2b of the table 2, respectively. ,
A table connecting fitting 99c is attached to the rear end of the other arm 98 '. Each of the table connecting fittings 99a, 99b, 99c has the table 2 at each position.
While holding the locking ridges 2a and 2b, the table conveying air cylinders 96 and 96 operate to convey the table 2.

As described above, the pickles 3 on the table 2 are folded in the upper transfer area through the steps from the first station to the fourth station, and then the empty table 2 is moved to the lower transfer area. , Are sequentially transported to the position corresponding to the first station. In this case, in order to improve the efficiency of folding work, a total of five tables are placed in each of the upper and lower transport areas, and these are sequentially transported. As a result, the table can be sent without interruption in one cycle, which is effective.

FIG. 20 is a process diagram showing the carrying state of the table for this efficiency improvement. Reference symbols T ₁ , T ₂ , T ₃ ,
The tables indicated by T ₄ and T ₅ are always 3 in the upper transport area.
Two units are transported so that they exist in the lower transporting area of the table, and each step from the first to the fifth is used as one process to move from one station to the next station. That is, the first table T ₁ is in the lower transfer area at a position corresponding to the first station, and the table lifting transfer mechanism moves up to the upper transfer area at the position of the first station. , The pickles are put on the table and the movable part of the table transfer air cylinder moves to the left, and the rod of the vertical rocking air cylinder is lifted by and the table connecting bracket engages the locking projection. ,
Then, the movable part of the table conveying air cylinder moves to the right and moves to the position of the second station. Similarly,
The second table T ₂ is from the second station to the third station position, the third table T ₃ is from the third station to the fourth station position, and the fourth table T ₄ is the lower transport area. To the fifth table T
No. ₅ is conveyed toward the position corresponding to the first station in the lower conveyance area. The table returns to the original position by making one cycle with the above steps as one cycle.

11 to 20, the table is horizontally fed intermittently in a straight line so that the pickles 3 are bent by the first bending mechanism 9.
Although a mode in which the a and the second folding mechanism 9b are folded into three is shown, FIGS. 21 and 22 omit the second folding mechanism 9b in the above-described embodiment and are folded in two. It is shown about an aspect. Here, FIG.
Since only the second folding mechanism 9b is omitted from the explanatory view of tri-folding in FIGS. 1 and 12, the same members are denoted by the same reference numerals and description of the mechanism is omitted.

In the lengthy workpiece folding apparatus 1 shown in FIGS. 21 and 22, at the position of the first station,
Pickles 3 to be folded are loaded on the table 2 manually or by a loading loader. At the position of the second station, the pressing plate 5 presses the pickles 3 against the supporting means 4a by the first bending mechanism 9a, and the first bending member 7 is pressed.
a bends using the supporting means 4a as a fulcrum. Then, it passes through the third station as it is, and at the fourth station, the pickled vegetables 3 folded in two are discharged to the outside of the apparatus manually or by a discharge loader.

[0055]

According to the apparatus for folding a long work piece of the invention of the present invention having the above-mentioned structure, the apparatus is horizontally placed on a rotating table and a table which is fed in a straight line intermittently. Since the processed workpiece is folded on a horizontal plane,
At each indexing position of the rotating table and at each intermittently fed position of the straight-moving table, its lower surface is always constrained, and at least one of the peripheral side surfaces of the workpiece is constrained by the supporting means and the pressing plate. In this state, the folding member folds it on a horizontal plane and folds it in two, three, or more, so that the shape of the workpiece can be efficiently folded during the folding work. As a result, it is possible to eliminate the disadvantage that a conventional device for vertically bending a work piece, when folded, laterally disperses due to gravity, cannot retain its shape, and becomes a defective product. Therefore, it is possible to fold a long and long workpiece at a high speed (within 3 seconds per piece) with stable quality. Further, since it is a method of bending on a horizontal plane, there are practical effects such that the device does not become large and the mechanism becomes simple.

[Brief description of drawings]

FIG. 1 is a plan view of an operating state showing an example of a rotary table system in a lengthy workpiece folding device according to the present invention.

FIG. 2 is a plan view of the mechanism section of FIG.

FIG. 3 is a side view taken along arrow A in FIG.

FIG. 4 is a partially enlarged view of FIG.

5 is a side view of arrow B in FIG.

6 is a partially enlarged sectional view of FIG.

FIG. 7 is a partially cutaway plan view of FIG.

FIG. 8A is a plan view showing an example of a material feeding / discharging device for a long workpiece folding device according to the present invention, and FIG. 8B is a side view thereof.

FIG. 9 is a plan view of an operating state showing another example of the rotary table system in the long workpiece folding device of the present invention.

10 is a plan view of the mechanism section of FIG. 9. FIG.

FIG. 11 is a plan view of an operating state showing an example of a straight advance intermittent feeding method in the long workpiece folding device of the present invention.

12 is a side view of the mechanism section of FIG.

13 is a plan view of FIG.

FIG. 14 is a view on arrow AA of FIG. 12;

FIG. 15 is a plan view of FIG.

16 is a view as seen from the direction of arrows BB in FIG.

17 (A), (B) and (C) are a plan view, a side view and a front view of a table advancing mechanism.

18 (A), (B), and (C) are a plan view, a front view, and a side view of a table-raising air cylinder during folding processing.

19 (A), (B), and (C) are a plan view, a side view, and a front view of the folding mechanism.

FIG. 20 is a process drawing showing the transport state of the table.

FIG. 21 is a plan view of an operating state showing another example of the straight-line intermittent feed system in the lengthy workpiece folding device of the present invention.

22 is a side view of the mechanism section of FIG. 21. FIG.

23 (A), (B), and (C) are explanatory views showing an outline of a conventional long workpiece folding device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Long work piece folding device 2 Rotary table 3 Pickles 4 Supporting means 4a, 4b Supporting members 5 Holding plates 6a, 6b Cam members 7a First bending member 7b Second bending member 8a First turn Moving means 8b Second rotating means 9a First bending mechanism 9b Second bending mechanism 10 Bed 11 Indexing unit 12 Flexible coupling 13 Electromagnetic clutch / brake motor 14 Index detection sensor 15a Tongue piece 18 Air Cylinder 19 Knuckle 20 Presser plate guide mechanism section 28 Cam follower 31 Vertical movement guide mechanism section 32 Rotation mechanism section 33 Back-and-forth movement guide mechanism section 40 Vertical movement air cylinder 47 Rotary actuator 70 Frame 71,72 Roller 75 Roller row unit 80 Table advance feed Mechanism 81 Air cylinder for table transfer 1a movable part 82 air cylinder for vertical swing 83 arms 84a, 84b table connecting metal fittings 85 table pushing metal fitting 90 table lifting transfer mechanism 91 table lifting air cylinder 94 roller row longitudinal movement air cylinder 95 table reverse feeding mechanism 96 table transfer Air cylinders 97 Vertical swing air cylinders 100 Table lowering transfer mechanism 101 Table lowering air cylinders 105, 110 Table raising air cylinders 115, 117, 120, 122 Forward / backward moving air cylinders

 ─────────────────────────────────────────────────── ─── Continuation of front page (56) References Japanese Patent Publication No. 58-24340 (JP, B2) Japanese Patent Publication No. 51-3262 (JP, B2)

Claims (14)

(57) [Scope of utility model registration request] 1. A table mounted horizontally on a bed, indexed by a predetermined angle and rotated, a support means for supporting a workpiece to be folded on the table, and the workpiece being folded. Work piece in position
A pressing plate which can advance and retreat in a direction of pressing against the support means, only the pressing plate during said bending step of the workpiece to be
The urging force applying / releasing means for urging the supporting means via the work piece so as to press the work piece on the table.
Supporting the breaker member for bending at least on one side as a fulcrum support means in a horizontal plane, the breaker member
A long-length workpiece folding device, comprising: a rotating means for rotating the holding means by 180 ° . 2. A table which is intermittently fed straight ahead in a horizontal state, a support means for supporting a work piece to be folded on the table, and a position where the work piece is folded.
In the direction of pressing the work piece against the supporting means
And retractable capable presser plate, pressed against the support means through a workpiece the pressing plate only during said bending step of the workpiece
And a biasing force application and release means to be biased to the tape
A bending member for bending the workpiece on the bull on at least one side on a horizontal plane with the supporting means as a fulcrum,
A device for folding a long and long workpiece, comprising: rotating means for rotating the folding member by 180 ° about a supporting means as a fulcrum . 3. The bending member comprises a first bending member provided on one side of the supporting means and a second bending member provided on the other side of the supporting means. Claim 2
The lengthy workpiece folding device described in. 4. The first rotating means for rotating the first bending member by 180 ° in one direction with the supporting means as a fulcrum, and the second rotating member for supporting the second bending member. The lengthy workpiece folding device according to claim 1 or 2, comprising a second rotating means for rotating the other means by 180 ° in the other direction. 5. The lengthy workpiece folding device according to claim 4, wherein the first rotating means and the second rotating means are rotary actuators. 6. A loading loader for suspending workpieces intermittently conveyed sequentially between a support means on a table and a holding plate, and a discharge loader for lifting a folded workpiece to send it to the next step. The lengthy workpiece folding device according to claim 1 or 2, further comprising: 7. The rotating table is horizontally mounted on a bed via an indexing unit, and the indexing unit rotates at predetermined angles to rotate the table from at least the first station to the third station.
The lengthy workpiece folding apparatus according to claim 1, which holds a plurality of different indexing positions to reach the station. 8. The lengthy work piece according to claim 7, wherein the indexing unit is driven by a motor with an electromagnetic clutch / brake through a flexible coupling and detects an index position by an index detection sensor. Object folding device. 9. The support means is one in which an upper end of a support member is fitted into and retractable from an upper surface of a table at a position where a workpiece is folded, and except during a processing step of the workpiece. The lengthy workpiece folding apparatus according to claim 1, wherein the folding apparatus is retracted to a position corresponding to the upper surface of the table. 10. The indexing device for the bending process, wherein the supporting means is pulled down to a position where an upper end of a supporting member is aligned with an upper surface of the table by an air cylinder below the table at an indexing position other than the bending process. 10. The lengthy workpiece folding device according to claim 9, wherein in position, the action of a spring causes it to project from the upper surface of the table. 11. The long workpiece folding according to claim 1, wherein the urging force applying / releasing means of the pressing plate is constituted by a cam member fixed on the bed at an indexing position other than the bending step. apparatus. 12. The table, which is intermittently fed straight forward in a horizontal state, is placed on a roller row unit in which a plurality of rollers are linearly arranged, and is intermittently fed by a table feed mechanism to at least the first station. The lengthy workpiece folding device according to claim 2, which holds different positions to reach the third station. 13. The table feed mechanism includes a movable part,
A table transfer cylinder having a table connecting fitting or a table pushing fitting fixed thereto, and a vertically swinging cylinder for engaging and disengaging the table connecting fitting or the table pushing fitting with respect to a front end portion or a rear end portion of the table. 12
The lengthy workpiece folding device described in. 14. The lengthy workpiece folding device according to claim 2, wherein the biasing force applying / releasing means of the pressing plate is a cylinder.