JP2652912B2 - Article positioning device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an article positioning apparatus.

[0002]

2. Description of the Related Art Conventionally, JP-A-56-52197 and JP-A-59
There is an article positioning device as described in US Pat. These prior arts have a guide pin projecting from a magnet device, and after the guide pin passes through a center hole of an annular metal piece or a disc holder as an article to be positioned,
These positioned articles are suction-held by a magnet device.

[0003]

However, the prior art has the following problems. Prior to penetrating the guide pin into the center hole of the article to be positioned, a complicated preliminary operation for centering the guide pin and the article to be positioned is required.

[0004] When the guide pin is inserted into the center hole of the article to be positioned, complicated mechanical means such as a cam mechanism for moving the guide pin in the direction of the center hole of the article to be positioned is required.

An object of the present invention is to simplify both the positioning operation and the device configuration when positioning an article at an appropriate position on a support table.

[0006]

According to a first aspect of the present invention, there is provided an article positioning apparatus for positioning an article on a support base, wherein a magnet provided around a center of positioning of the support base and a magnet provided on the article side. Thus, the magnetic attraction means for attracting the article to the support table, and the magnetic linking means for linking the support table and the article at the mutual attraction state by the magnetic attraction means with the positioning pin driven by the magnetic attraction action or the magnetic repulsion action. It is intended to have.

According to a second aspect of the present invention, in the first aspect of the present invention, the magnetic linking means further comprises a positioning pin stored on one of the support table side and the article side, and a positioning hole provided on the other. A pin driving magnetic member that moves relative to the positioning pin, the pin driving magnetic member exerts a magnetic attraction action or a magnetic repulsion action on the positioning pin at a position facing the positioning pin, and the positioning pin is positioned in the positioning hole. Is made to be engaged.

[0008]

According to the present invention, the following functions and effects are obtained. After the article is attracted by the magnetic attraction means around the positioning center on the support table, it is linked to the support table by the positioning pins of the magnetic linking means. At this time, the magnet on the article side and the magnet on the support base that constitute the magnetic attraction means attract each other so that their magnet centers substantially coincide with each other, and as a result, the article is automatically rotated around the positioning center on the support base. Rough positioning is performed. Therefore, after the article is roughly positioned on the support base in a self-aligning manner by the magnetic attraction means, the article is linked to the support base by the positioning pins of the magnetic linking means and is accurately positioned. That is, prior to the linking operation by the positioning pin, the article is roughly positioned on the support table by the magnetic attraction means, so that the positioning operation is simple and simple.

Since the positioning pin is driven by a magnetic attraction action or a magnetic repulsion action, there is no need to involve complicated mechanical driving means such as a cam mechanism, and the apparatus configuration is simple.

[0010]

FIG. 1 is a schematic diagram showing a first embodiment of the present invention, FIG. 2 is a schematic diagram showing a second embodiment of the present invention, and FIG. 3 is a longitudinal section showing a filling apparatus to which the present invention is applied. FIGS. 4 and 5 are plan views of FIG. 3, FIG. 5 is a schematic view showing a container delivery state between the filling spider and the first intermediate spider, and FIG. 6 is a schematic view showing a container delivery state between the first intermediate spider and the cap spider. , FIG. 7 is a schematic diagram showing a container delivery state between the second intermediate spider and the unloading conveyor, FIG. 8 is a schematic diagram showing a container delivery / holding device provided in the filling spider, and FIG. 9 is a partial view of the container delivery / holding device. FIG. 10 is a cutaway perspective view, and FIG. 10 is a sectional view showing a container delivery / holding device.

(First Embodiment) (see FIG. 1) A positioning device 101 is for positioning an article fixture 102 on a support table 103. Note that the article fixing tool 102 can load and hold an article in the article holding recess 102A.

The positioning device 101 includes an article fixture 102.
As magnetic attracting means for attracting
It has a ring-shaped permanent magnet 104 built around the bottom center of the article fixture 102 and a ring-shaped permanent magnet 105 built around the positioning center of the support table 103.
The magnets 104 and 105 have opposite poles (N pole and S pole)
Are arranged face-to-face, and the shapes of the magnetic pole faces are substantially the same, whereby the centers of the magnets are more exactly aligned with each other in a self-aligning manner so as to attract each other.

The positioning device 101 comprises two magnets 104, 1
05, a positioning pin 107 stored in a concave portion 106 provided at the center of the positioning of the support table 103 as a magnetic linking means for linking the support table 103 and the article fixture 102 which are in the mutual suction state with each other; It has a positioning hole 108 provided at the center and a pin driving magnet 109 which moves relatively to a permanent magnet 107A provided at the lower end of the positioning pin 107. The pin driving magnet 109 moves relative to the support table 103 and exerts a magnetic repulsion action on the positioning pin 107 at a position where the positioning pin 107 faces the permanent magnet 107A. Engage. On the other hand, when the pin driving magnet 109 is set at a position where the positioning pin 107 does not face the permanent magnet 107A, the positioning pin 107 does not have a magnetic repulsion action, so that the positioning pin 107 falls into the recess 106 due to gravity, and the positioning hole 108 Is disengaged.

The article fixture 102, the support table 10
3. The positioning pin 107 is made of a non-magnetic material.

Next, the operation of the first embodiment will be described. After the article fixture 102 is attracted around the center of positioning on the support table 103 by the magnetic attraction means, the support table 103 is moved by the positioning pins 107 of the magnetic linking means.
Linked with. At this time, the magnets 104 of the article fixture 102 and the magnets 105 of the support table 103, which constitute the magnetic attraction means, attract each other so that their magnet centers substantially coincide with each other. As a result, the article fixture 102 is supported. Rough positioning is performed automatically around the positioning center on the table 103. Therefore, after the article fixture 102 is roughly positioned on the support table 103 in a self-aligning manner by the magnetic attraction means, it is linked to the support table 103 by the positioning pins 107 of the magnetic linking means. That is,
Prior to the linking operation by the positioning pins 107, the article fixture 102 is roughly positioned on the support table 103 by the magnetic attraction means, so that the positioning operation is simple and simple.

Since the positioning pin 107 is driven by the magnetic repulsion, there is no need to involve complicated mechanical driving means such as a cam mechanism, and the apparatus configuration is simple.

The cross-sectional shape of the positioning pin 107 is as follows.
Although it may be circular, the article fixture 1 around the positioning center
In order to prevent free rotation of 02, a square shape is preferred.

In the positioning device 101, when the support table 103 and the pin drive magnet 109 are relatively moved, the support table 103 is fixed and the pin drive magnet 10 is moved.
9 may be moved, or the pin driving magnet 1 may be moved.
09 may be fixed and the support table 103 may be moved.

(Second Embodiment) (See FIG. 2) The positioning device 111 positions the article fixture 112 on the support table 113. Note that the article fixing tool 112 can load and hold an article in the article holding recess 112A.

The positioning device 111 includes an article fixture 112.
As a magnetic attraction means for attracting to the support table 113,
It has a disk-shaped permanent magnet 114 built in the center of the bottom of the article fixing tool 112 and a disk-shaped permanent magnet 115 built in around the positioning center of the support table 113. The magnets 114 and 115 have opposite poles (N pole and S pole) facing each other and have substantially the same magnetic pole face shape, so that their magnet centers can be more reliably self-aligned with each other. Approximately, and suck each other.

The positioning device 111 includes two magnets 114, 1
As magnetic linking means for linking the support table 113 and the article fixing tool 112 which are in the mutually attracted state by 15, two magnetic heads stored in two recesses 116 provided at two positions in the diameter direction passing through the positioning center of the support table 113. A positioning pin 117 and two positioning holes 118 provided at two positions in the diameter direction passing through the center of the bottom of the article fixture 112.
And a permanent magnet 1 provided at the lower end of each positioning pin 117.
Two pin driving magnets 119 that move relative to 17A
And Each of the pin driving magnets 119 moves relatively to the support table 113, exerts a magnetic repulsion action on each of the positioning pins 117 at a position where each of the positioning pins 117 faces the permanent magnet 117A.
Are projected upward to engage with the corresponding positioning holes 118. On the other hand, when each pin driving magnet 119 is set at a position where it does not face the permanent magnet 117A of each positioning pin 117, since each positioning pin 117 is not provided with a magnetic repulsion action, it falls into the recessed portion 116 by gravity and is positioned. The engagement with the hole 118 is released.

According to the second embodiment, not only is the article fixing tool 112 positioned at the positioning center of the support table 113 as in the first embodiment, but also by the presence of the two positioning pins 117, Free rotation of the article fixture 112 around the positioning center can be reliably prevented.

(Third Embodiment) (See FIGS. 3 to 10) In a third embodiment, the positioning device 4 of the present invention is provided in the filling device 10.
7 is applied.

The filling device 10 is, as shown in FIGS.
The container 1 loaded in the container fixture 11 is filled with contents such as detergent, and then the container 1 is fitted with a cap.

The filling device 10 includes an empty container supply spider 1
2. It has a filling spider 13, a first intermediate spider 14, a cap spider 15, a second intermediate spider 16, and a carry-out conveyor 17. The filling spider 13 and the cap spider 15 are rotatably supported around a center column 18, and the intermediate spiders 14, 16 are respectively supported on the center column 18 by supporting members 19.
Are supported so as to be rotatable around the support shafts 21 and 22 which are held therethrough.

The spiders 12 to 16 and the carry-out conveyor 17 are driven synchronously with each other. At this time, the gear 23A fixed to the output shaft of the motor 23
A gear 13A fixed to the filling spider 13 is meshed with the gear 13A, a gear 13B fixed to the filling spider 13 is meshed with a gear 14A fixed to the first intermediate spider 14, and a gear 14B fixed to the first intermediate spider 14. A gear 15A fixed to the cap spider 15 is meshed with the gear 15A.
A fixed gear 16 </ b> A meshes with the second intermediate spider 16, whereby the spiders 13 to 16 are interlocked by the rotation of the motor 23.

Hereinafter, the filling / capping process by the filling device 10 will be described. (1) The empty container 1 held by the container fixture 11 is delivered from the empty container supply spider 12 to the filling spider 13 by a delivery mechanism described later.

(2) The container fixture 11 delivered to the filling spider 13 is set on each filling head 13D by a holding mechanism described later and moves along the filling processing path 13C.

Here, the filling spider 13 is provided with 60 filling heads 13D, and each filling head 13D is provided with a measuring device 24 and a filling device 25. Then, the container 1 set in each filling head 13D is filled with an appropriate amount of contents from the nozzle of the filling device 25 during a period from the inlet side to the outlet side of the filling processing path 13C.

(3) The container 1 that has been completely filled in the filling spider 13 is delivered to the first intermediate spider 14 together with the container fixture 11 at the outlet side of the filling processing path 13C by a delivery mechanism described below. . The container fixture 11 delivered to the first intermediate spider 14 is held and transported by a holding mechanism described later, and then delivered to the cap spider 15 by a delivery mechanism described later.

(4) The container fixture 11 delivered to the cap spider 15 is set on the support plate 27 of each cap head 15D by a holding mechanism described later and moves along the cap processing path 15C.

Here, the cap spider 15 has 20 cap heads, and each cap head 15D has a support plate elevating guide 28, a container positioning member 29, a cap mounting device 31, and a cap mounting device elevating guide 32. I have. Then, the container 1 set in each cap head 15D rises together with the support plate 27 moved up and down by the support plate elevating cam 33 from the entrance side to the exit side of the cap processing path 15C, and the container positioning member 29 It is positioned within the ring guide. On the other hand, the cap mounting device 31 of each cap head 15D is
C is moved up and down by the cap mounter elevating cam 34 from the entrance side to the exit side of the C, and the cap supply table 35
Is chucked, and the cap is screwed to the container 1 positioned on the container positioning member 29 described above.

(5) The container 1 which has been completed with the cap attached by the cap spider 15 is transferred to the second intermediate spider 16 together with the container fixture 11 at the outlet side of the cap processing path 15C by a transfer mechanism described later. . Container fixture 11 delivered to second intermediate spider 16
After being transported while being held by a holding mechanism described later, the unloading conveyor 17 is transferred by a delivery mechanism described later.
Passed to.

(6) Container 1 delivered to carry-out conveyor 17
Together with the container fixture 11 is carried out to the next step by a transport mechanism described later.

However, in the filling device 10, the above-described filling path 13C on the filling spider 13 and the cap processing path 15C on the cap spider 15 are each made substantially annular, and the two paths 13C, 15C are mutually inside and outside. Are arranged in a positional relationship. As described above, a plurality of (60) filling heads 13D for filling the contents into the container 1 conveyed on the filling path 13C are provided, and the cap 1 is conveyed to the container 1 conveyed on the capping path 15C. Are provided (a plurality of cap heads 15D).

Hereinafter, each of the spiders 12 to 1 of the filling device 10 will be described.
6. The delivery mechanism, holding mechanism, and transport mechanism of the container fixture 11 in the unloading conveyor 17 will be described.

Here, the container fixing tool 11 has a built-in ring-shaped permanent magnet 11A at the center of the bottom. The center hole of the permanent magnet 11A serves as a first positioning hole 11B.
Left and right second at each of the two diametrical positions at the bottom of the
It has a positioning hole 11C.

(A) Delivery from the empty container supply spider 12 to the filling spider 13, holding by the filling spider, delivery from the filling spider 13 to the first intermediate spider 14, first
Holding by the intermediate spider 14 (FIGS. 5, 8, 9, and 10)
reference)

The filling device 10 has each article delivery / holding device 40 below each filling head 13D of the filling spider 13 corresponding to each filling head 13D.

The article delivery / holding device 40 includes a movable table 41
And fixed bases 42 on the left and right. The movable table 41 straddles a guide rail 43 provided on the filling spider 13 and engages with a movable table driving cam groove 45 supported by an outer peripheral column 44 of the filling apparatus 10.
, And can reciprocate between the outer end position and the inner end position of the filling spider 13 in the radial direction along the guide rail 43. The fixed base 42 is fixed to each of the two sides of the movable base 41 on the filling spider 13.

The movable table 41 has a positioning device 4 at its outer end.
7 is provided. The positioning device 47 includes the container fixture 11.
An article attracting magnet 47A made of a ring-shaped permanent magnet that attracts the permanent magnet 11A, and a first positioning pin 47B stored in a center hole of the article attracting magnet 47A are provided at a lower end of the first positioning pin 47B. , A permanent magnet 47C. On the other hand, a pin driving magnet 47D made of a permanent magnet is provided on a magnet support portion 42A provided on one of the fixed bases 42. The pin drive magnet 47D is located such that the filling head 13D is located outside the delivery area between the empty container supply spider 12 and the first intermediate spider 14 in the circulation line of the filling spider 13, and the movable table 41 is set at the inner end position. When it is done, it faces the permanent magnet 47C of the first positioning pin 47B, exerts a magnetic repulsion action on the permanent magnet 47C, and makes the first positioning pin 47B protrude upward, as described later.
The first positioning pin 47B is engaged with the first positioning hole 11B of the container fixture 11. On the other hand, the pin drive magnet 47D
Is that the filling head 13D is located in a delivery area between the empty container supply spider 12 and the first intermediate spider 14 in the orbiting line of the filling spider 13, and the movable table 41 is displaced from the inner end position to the outside. When moving to the end position side, the first positioning pin 47B is moved toward the ring-shaped article by gravity without facing the permanent magnet 47C of the first positioning pin 47B, and thus without exerting a magnetic repulsion on the permanent magnet 47C. The first positioning pin 47B is disengaged from the first positioning hole 11B of the container fixture 11, as described later. When the permanent magnet 47C of the first positioning pin 47B and the pin driving magnet 47D face each other, they have the same pole (for example, S pole).
Face each other to cause the above-described magnetic repulsion.

That is, in the positioning device 47, the ring-shaped article attracting magnet 47A moves the container fixture 11 to the movable table 41.
Magnetic positioning means for attracting the first positioning pin 4
The 7B, the first positioning hole 11B, and the pin driving magnet 47D constitute magnetic linking means for linking the container fixture 11 with the filling spider 13. That is, in the positioning device 47, the container fixture 11 is sucked around the positioning center on the movable base 41 by the magnetic attraction means, and then linked to the movable base 41 by the positioning pins 47B of the magnetic linking means. At this time, the article attracting magnet 47A constituting the magnetic attracting means and the permanent magnet 11A on the container fixture 11 side attract each other so that their magnet centers substantially coincide with each other, and as a result, the container fixture 11 is movable. Rough positioning is automatically centered around the positioning center on the table 41. Accordingly, after the container fixture 11 is roughly positioned on the movable table 41 in a self-centering manner by the magnetic attraction means, it is linked to the movable table 41 by the positioning pins 47B of the magnetic linking means. That is, prior to the linking operation by the positioning pins 47B, the container fixture 11
Is roughly positioned on the movable table 41 by the magnetic attraction means, so that the position operation is simple and simple.

The movable table 41 is provided at its inner end with a permanent magnet 48 for attracting the permanent magnet 11A of the container fixture 11.

Each of the left and right fixed bases 42 has a second positioning pin 42C stored in the recess 42B, and a permanent magnet 42D is provided at the lower end of the second positioning pin 42C. On the other hand, the left and right magnet support portions 41 of the movable base 41 are provided.
A has three pin driving magnets 49A, 4
9B and 49C are provided. Pin drive magnet 49A,
49C is the permanent magnet 42D of the second positioning pin 42C when the movable table 41 is set at the outer end position and the inner end position.
And exerts a magnetic attraction action on the permanent magnet 42D, thereby causing the second positioning pin 42C to be stored in the recess 42B. On the other hand, when the movable table 41 is located between the outer end position and the inner end position, the pin driving magnet 49B moves the second positioning pin 42
The permanent magnet 42D faces the permanent magnet 42D, exerts a magnetic repulsive action on the permanent magnet 42D, and causes the second positioning pin 42C to protrude upward. As described later, the second positioning pin 42C is inserted into the second positioning hole of the container fixture 11. Engage with 11C.
When the permanent magnet 42D of the second positioning pin 42C and the pin driving magnets 49A and 49C face each other, they face the opposite poles (S-pole and N-pole) and generate the above-described magnetic attraction. When the permanent magnet 42D of the second positioning pin 42C and the pin driving magnet 49B face each other,
The same poles (for example, N poles) face each other to cause the above-described magnetic repulsion.

The empty container supply spider 12 and the first intermediate spider 14 have substantially the same article delivery / holding device. The following is a description of the article delivery / holding device 50 of the first intermediate spider 14 as a representative.

The article delivery / holding device 50 includes an article attracting magnet 51 on the outer periphery of the tooth shape of the first intermediate spider 14.
The inner end of the movable base 41 of the article delivery / holding device 40 of the filling spider 13 can mesh with the tooth-shaped valley of the article attracting magnet 51. Here, the article attracting magnet 51
Is set to be larger than the magnetic force of the permanent magnet 48 of the movable base 41.

(A-1) However, the container fixture 11 is transferred from the empty container supply spider 12 to the filling spider 13 and held by the filling spider 13 by the article delivery / holding device 40 as described below (FIG. 9). 8).

Empty container supply spider 12 and filling spider 1
When the filling head 13D of the filling spider 13 is located at the delivery position (A) in which the movable table 41
Is set at the outer end position. The outer end of the movable table 41 meshes with the tooth-shaped valley of the article attracting magnet provided on the outer periphery of the tooth shape of the empty container supply spider 12. At this time,
The empty container supply spider 12 attracts and holds the permanent magnet 11A of the container fixture 11 to the above-described article attracting magnet. However, the positioning device 47 of the movable base 41 has the first positioning pin 47B recessed, and the ring-shaped article attracting magnet 47A
Thereby, the permanent magnet 11A of the container fixture 11 on the empty container supply spider 12 is adsorbed and captured. As a result, the permanent magnet 11A of the container fixture 11 is simultaneously attracted to the article attracting magnet 47A and the article attracting magnet on the empty container supply spider 12 side, but the magnetic force of the article attracting magnet 47A is higher than the empty container supplying spider. The container fixture 11 is transferred from the empty container supply spider 12 to the filling spider 13 without being displaced by vibration or the like because the magnetic force is set to be larger than the magnetic force of the article attracting magnet 12.

When the filling head 13D of the filling spider 13 reaches the filling operation start position (B) from the delivery position (A), the movable table 41 is set at the inner end position. At this time, the positioning device 47 of the movable base 41 causes the first positioning pin 47B to protrude, engages the first positioning pin 47B with the first positioning hole 11B of the container fixture 11, and completes the positioning of the container fixture 11. Hold. As a result, when the filling spider 13 turns, the container fixing tool 11 attracts and holds the permanent magnet 11A by the article attracting magnet 47A, and moves on the filling processing path 13C while being positioned by the first positioning pin 47B.

(A-2) Next, the container fixture 11 is delivered from the filling spider 13 to the first intermediate spider 14 by the article delivery / holding device 40 as follows (see FIG. 8).

When the filling head 13D of the filling spider 13 passes the filling operation end position (C), the movable table 41 moves from the inner end position to the outer end position. At this time, the second positioning pin 42C of the fixing base 42 projects and engages with the two second positioning holes 11C of the container fixture 11, and holds the container fixture 11. On the other hand, the positioning device 47 of the movable base 41 causes the first positioning pin 47B to be immersed, and the first positioning pin 47B and the first positioning hole 11B of the container fixture 11 to be retracted.
Is released. As a result, the movable table 41 moves to the outer end position while leaving the container fixture 11 on the fixed table 42, and the above (A-1) is repeated.
A new container fixture 11 is attracted and captured by the article attracting magnet 47A.

The second positioning pin 4 left on the fixed base 42
When the movable table 41 reaches the above-described outer end position, the container fixture 11 after passing through the filling processing path 13C engaged and held by the 2C is attracted and held by the permanent magnet 48 of the movable table 41. Then, when the movable table 41 returns from the outer end position to the inner end position again, the second positioning pins 42C engaged with the second positioning holes 11C of the container fixture 11 are immersed, and the container is fixed. The tool 11 is transferred to the delivery position (D) where the filling spider 13 and the first intermediate spider 14 are close to each other while being held by the permanent magnet 48 of the movable table 41 (see FIGS. 5 and 8).

At the transfer position (D), the inner end of the movable table 41 meshes with the tooth-shaped valley of the article attracting magnet 51 provided on the outer periphery of the tooth shape of the first intermediate spider 14. Thereby, although the permanent magnet 11A of the container fixture 11 is simultaneously attracted to the permanent magnet 48 of the movable table 41 and the article attracting magnet 51 of the first intermediate spider 14, the article attracting magnet 5
Since the magnetic force of 1 is set to be larger than the magnetic force of the permanent magnet 48, the container fixture 11 is transferred from the filling spider 13 to the first intermediate spider 14 without being shifted by vibration or the like.

(A-3) Next, the container fixture 11 is held by the first intermediate spider 14 by the article delivery / holding device 50 as follows (see FIG. 5).

When the first intermediate spider 14 turns, the container fixture 11 moves the permanent magnet 11A to the first intermediate spider 14
Is attracted and held by the article attracting magnet 51.

(B) Delivery from the first intermediate spider 14 to the cap spider 15, holding by the cap spider 15, delivery from the cap spider 15 to the second intermediate spider 16, holding by the second intermediate spider 16 (FIG. 6, FIG.
reference)

As shown in FIG. 6, the article delivery / holding device 60 of the cap spider 15 is provided with each cap head 15D.
The supporting plate 27 is provided with an article attracting magnet 61, and the supporting plate 27 can mesh with a tooth-shaped valley of the article attracting magnet 51 provided on the outer peripheral portion of the tooth shape of the first intermediate spider 14. Here, the magnetic force of the article attracting magnet 61 is
1 is set to be larger than the magnetic force.

As shown in FIG. 7, the article transfer / holding device 70 of the second intermediate spider 16 has an article attracting magnet 71 on the outer peripheral portion of the tooth shape of the second intermediate spider 16. , Support plate 27 of cap spider 15
Can be engaged. Here, the article attracting magnet 71
Is set to be larger than the magnetic force of the article attracting magnet 61 of the support plate 27.

(B-1) However, the container fixture 11 is transferred from the first intermediate spider 14 to the cap spider 15 and held by the cap spider 15 by the article transfer / holding devices 50 and 60 as follows. (See FIG. 6).

At the delivery position where the first intermediate spider 14 and the cap spider 15 are close to each other, the toothed valley of the article attracting magnet 51 of the first intermediate spider 14 and the support plate 27 of the cap spider 15 are engaged. This allows
The permanent magnet 11 </ b> A of the container fixture 11 includes the article attracting magnet 51 of the first intermediate spider 14 and the article attracting magnet 6 of the support plate 27.
1, the container fixing tool 11 is deviated from the first intermediate spider 14 by vibration or the like because the magnetic force of the article attracting magnet 61 is set to be larger than the magnetic force of the article attracting magnet 51. It is delivered to the cap spider 15 without any change.

When the cap spider 15 turns, the container fixture 11 attracts and holds the permanent magnet 11A by the article attracting magnet 61 of the support plate 27, and the cap processing path 15C
Move up.

(B-2) Next, the container fixture 11 is transferred from the cap spider 15 to the second intermediate spider 16 by the article transfer / holding devices 60 and 70 as follows, and is transferred to the second intermediate spider 16. Will be retained.

At the delivery position where the cap spider 15 and the second intermediate spider 16 are close to each other, the support plate 27 of the cap spider 15 and the tooth-shaped valley of the article attracting magnet 71 of the second intermediate spider 16 mesh. This allows
The permanent magnet 11 </ b> A of the container fixture 11 includes the article attracting magnet 61 of the support plate 27 and the article attracting magnet 7 of the second intermediate spider 16.
1, but the magnetic force of the article attracting magnet 71 is set to be larger than the magnetic force of the article attracting magnet 61, so that the container fixture 11 is not shifted from the cap spider 15 by vibration or the like. Delivered to the second intermediate spider 16.

When the second intermediate spider 16 turns, the container fixture 11 causes the permanent magnet 11A to move to the second intermediate spider 16A.
Is attracted and held by the article attracting magnet 71.

(C) Delivery from the second intermediate spider 16 to the carry-out conveyor 17 and holding by the carry-out conveyor 17 (FIG. 7)
reference)

As shown in FIG. 7, the unloading conveyor 17 carries the container fixture 11 on a conveyor belt 81 which moves along a fixed moving path. The unloading conveyor 17 has an article guide magnet 83 disposed at a lower position along an article moving path by the transport belt 81 via a nonmagnetic belt receiver 82. The article guide magnet 83 is
It can be replaced by a magnetic material such as an iron plate. And
The carry-out conveyor 17 moves the carry-in end of the carrying belt 81 to the second position.
The intermediate spider 16 is overlapped with the outer peripheral portion of the tooth shape, and the overlapped portion is set as a transfer position between the second intermediate spider 16 and the carry-out conveyor 17. Here, the article guide magnet 83
Of the article attracting magnet 71 on the side of the second intermediate spider 16
It is set to be larger than the magnetic force of.

However, at the delivery position where the second intermediate spider 16 and the unloading conveyor 17 are placed one on top of the other, the permanent magnet 11A of the container fixture 11 holds the second intermediate spider 16
Are simultaneously attracted to the article attracting magnet 71 and the article guiding magnet 83 of the unloading conveyor 17, but the magnetic force of the article guiding magnet 83 is set to be larger than the magnetic force of the article attracting magnet 71. The container fixture 11 is the second
It is delivered to the carry-out conveyor 17 without being shifted from the intermediate spider 16 due to vibration or the like.

When the unloading conveyor 17 moves, the container fixture 11 is transported together with the transport belt 81 while the permanent magnet 11A is attracted by the article guide magnet 83.

In the third embodiment, the positioning device 47 can simplify the positioning operation and the device configuration when positioning the container fixture 11 at an appropriate position on the movable base 41. Then, the container 1 held by the container fixture 11 can be accurately positioned with respect to the corresponding filling head 13D on the filling processing path 13C, and can be filled by the filling device 25.

In the embodiment of the present invention, the magnetic linking means is not limited to driving the positioning pins by magnetic repulsion, but may be driven by magnetic attraction.

In the embodiment of the present invention, the pin driving magnetic member constituting the magnetic linking means may be constituted by an electromagnet which does not move relative to the positioning pin but always faces the positioning pin. At this time, the electromagnet drives the positioning pin by switching between excitation and demagnetization.

[0072]

As described above, according to the present invention, the positioning operation and the apparatus configuration can be simplified when positioning the article at an appropriate position on the support table.

[Brief description of the drawings]

FIG. 1 is a schematic diagram showing a first embodiment of the present invention.

FIG. 2 is a schematic diagram showing a second embodiment of the present invention.

FIG. 3 is a longitudinal sectional view showing a filling device to which the present invention is applied.

FIG. 4 is a plan view of FIG. 3;

FIG. 5 is a schematic view showing a container delivery state between a filling spider and a first intermediate spider.

FIG. 6 is a schematic diagram showing a container delivery state between a first intermediate spider and a cap spider.

FIG. 7 is a schematic view showing a container delivery state between a second intermediate spider and a carry-out conveyor.

FIG. 8 is a view showing a container delivery / supply provided on a filling spider.
It is a schematic diagram which shows a holding device.

FIG. 9 is a perspective view showing the container delivery / holding device with a part cut away.

FIG. 10 is a sectional view showing a container delivery / holding device.

[Explanation of symbols]

101, 111, 47 Positioning device 102, 112, 11 Article fixture (article) 103, 113, 41, 42 Support table (support table) 104, 105, 114, 115, 11A, 47A Magnet (magnetic attraction means) 107, 117, 47B, 42C Positioning pin 108, 118, 11B, 11C Positioning hole 109, 119, 47D, 49A, 49B, 49C Pin driving magnet

Claims (2)

(57) [Claims] 1. An article positioning apparatus for positioning an article on a support table, wherein a magnet provided around a positioning center of the support table and a magnet provided on the article side attract magnetic articles to the support table. And a magnetic linking means for linking the article and the support table in a mutually attracted state by magnetic attraction means with a positioning pin driven by a magnetic attraction action or a magnetic repulsion action. 2. The magnetic linking means has a positioning pin stored on one of the support base side and the article side, a positioning hole provided on the other side, and a pin driving magnetic member which moves relatively to the positioning pin. 2. The article positioning apparatus according to claim 1, wherein the pin driving magnetic member exerts a magnetic attraction action or a magnetic repulsion action on the positioning pin at a position facing the positioning pin to engage the positioning pin with the positioning hole.