JPH02169136A - Can lid seaming device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a can lid tightening device for tightening a can lid onto a can container.

(Prior Art) Conventionally, when the can lid is tightened without transporting the can container after the contents are filled, for example, the can container filled with the contents is transported by a belt conveyor. After that, the can container is locked on a disc-shaped supply turret, and a can lid is placed on the can container while it is being rotationally guided by the turret.The can container is then transferred to a seaming turret, The can lid is seamed to the can container by being rotated by the turret and pressed against a seaming means such as an arcuate seaming rail provided along the outer periphery of the turret.

According to such a device, as each turret rotates, the direction of conveyance of the cans conveyed by the turrets constantly changes in an arc shape, and centrifugal force acts on the contents in the cans, causing the contents to It becomes easy to overflow. Therefore, the faster the can container is transported, the more it becomes impossible to prevent the contents from overflowing.
The maximum tightening speed for can lids that can prevent the contents from overflowing was 200 to 250 pieces per minute.

For this purpose, the present applicant previously applied for patent application No. 63-141482.
No. 1, we developed a seaming device that can prevent the contents from overflowing when the can lid is wound around the can body, and can tighten the can lid at high speed.

As shown in Figure 16, the seaming device B is for seaming the can MY supplied from the can lid supplying device C to the can container X filled with contents by the filling device A. Can M
For Y, the first seaming is performed on the can container X, and then the second seaming is performed by the second seaming device to complete the double seaming.

In the seaming device B, the can container X is conveyed by an endless chain 10 that locks the rear side of the can container X with a claw piece 100.
The container is transported in a straight line by a first can container transport means 103 consisting of 1.

The can container X is rotated in an endless, substantially elliptical shape, and one side of the can container X is transferred to a second can container transport means 104 that moves linearly in parallel with the first can container transport means 103.

As shown in FIGS. 17 and 18, the second can/container conveying means 104 includes a rotatable support table 105. As shown in FIGS. Opposed to and above the second can container conveying means 104, there is a can lid conveying means which is rotatably and freely movable up and down, and is provided with a seaming chuck 106 for adsorbing and holding the can lid Y. 108 are integrally provided.

The second can container conveying means 104 and the can lid conveying means 108 are
A plurality of transport blocks 109 are integrally provided with a seaming chuck 106 on the upper part and a support table 105 on the lower part,
They are connected by an endless chain 110, and the endless chain 110 is rotated to transport the cans X and the cans 1y at the same time. From the first can container conveying means 103 to the first
The can container X transferred to the support table 1.05 of the can container transport means 104 is transferred to the can lid holding means 107 of the can lid transport means 108 while being transported by the second can container transport means 104.
The can N that has already been supplied from the can lid supply device C and held by suction
The can lid holding means 107 is lowered by a lifting means (not shown) so that the can By covers the opening of the can container X6, and
The can lid holding means 107 and the second can container '2?1 conveying means 10
The can container X and the can NY sandwiched between the can container X and the can NY are rotated together by a rotation drive means and rolled along a linear seaming means 112. The rotation driving means includes a pinion gear 113 on the outer periphery of the can lid holding means 107.
A rack 114 meshing with the seaming rail 115 is provided along the seaming rail 115, which is the seaming means 112, in the transport direction.

Can lid holding means 1 is attached to the can container X on the support table 105.
When the second can container conveying means 104 which presses and holds the can lid Y by the can lid Y by the can lid Y is engaged with the binion gear 113 and the rack 114, the can lid holding means 1
07, the can container X is conveyed linearly while being rotated. During this process, the seaming portions of the can container X and the can liY are pressed against the seaming rail 115, which is the seaming means 112, and then the can lid Y is seamed to the can container X.

As described above, the conveyance block 109 rotates on a substantially elliptical trajectory so as to be continuous with the first can/container conveyance means with the linear conveyance direction as a tangential direction. At this time, as shown in FIG. 17, the transport block 109
Guide rollers 116 and 117 arranged in the conveying direction on the can lid conveying means 108 at the upper part of the can lid conveyor block 9 are connected to rails 119 having guide grooves 118 provided on the same track as the endless chain 110 that rotates the conveying block 109. The guide rollers 116 and 117 move along guide grooves 118 that are guided in the direction in which the guide rollers 116 and 117 move. A guide roller 116 that guides the conveyance block 109.
117, when moving from a straight trajectory to an arcuate trajectory,
Alternatively, when changing from an arcuate trajectory to a linear trajectory, the leading guide roller 116 and the following guide roller 117 pass through different positions, so a wide guide groove that allows both guide rollers 116 and 117 to pass together is provided. 118.

According to the seaming device, since the can lid is seamed and the can container X is not conveyed at a constant speed in a straight line, the conveyance direction of the can container X does not change, so even if the seaming speed of the can NY is increased, the contents are The overflow of canned food can be suppressed and the productivity of canned goods can be improved.

In the seaming device, in order to further increase production efficiency, the conveyance speed is increased, and when the conveyance block 109 moves from a linear trajectory to an arcuate trajectory, or from an arcuate trajectory to a linear trajectory. Sometimes there is no problem, but then the guide roller 116.117
1? The transport block 109 enters the wider guide groove 118 and is no longer restrained by the guide groove 118, and the transport block 109 swings toward the preceding transport block 109 due to inertia when it rotates, and collides with each other. Transport block 10
Since a large tensile load is generated on the endless chain 110 connecting the parts 9, the durability of the device is reduced. For this reason, there was a problem in that the moving speed could not be increased and productivity could not be improved.

(Problems to be Solved by the Invention) An object of the present invention is to solve the above-mentioned inconveniences and provide a can lid seaming device that can seam can lids at high speed and has improved durability. shall be.

(Means for Solving the Problems) In order to solve the above-mentioned disadvantages, the present invention transports can containers filled with contents linearly and horizontally at a predetermined speed by a first can container transport means, and moves along an arcuate trajectory. A second can/container conveying means that rotates endlessly on a substantially elliptical trajectory having a linear trajectory to gradually approach successive positions with the conveying direction of the first can/container conveying means as a tangential direction and move in the conveying direction. The cans are delivered and transported while being rotatably supported by the second can and container transport means, and are provided integrally with the second can and container transport means to face above the second can and container transport means and move. The can lid is conveyed by removably holding the can lid by a can lid holding means which is rotatably and movably provided on the can lid conveying means, and the can lid is lowered and held by the can lid holding means. The can lid is capped and held on the can container, and the two are rotated together by a rotary drive means and transferred along the linear seaming means, and the can lid is pressed against the seaming means to attach the can lid to the can container. In a can lid seaming device for seaming, a first guide roller that leads and guides the rotation of the can lid conveying means and the second can container conveying means, and a second guide roller that follows the first guide roller. are provided in parallel, and when both guide rollers are on a linear trajectory or an arcuate trajectory, both guide rollers are guided while being restrained on the same trajectory, and the first guide roller moves from the arcuate trajectory to the linear trajectory. When the second guide roller is on an arcuate trajectory, the first guide roller is guided to an arcuate trajectory that expands outward from the linear trajectory, and the second guide roller moves from the arcuate trajectory to a linear trajectory. When the first guide roller is on a linear trajectory, the second guide roller is guided on a linear trajectory, and when the first guide roller changes from a linear trajectory to an arcuate trajectory and the second guide roller is on a linear trajectory, the second guide roller is guided on a linear trajectory. , the first guide roller is guided to a linear trajectory extending inward from the arcuate trajectory, and the second guide roller moves from the linear trajectory to the arcuate trajectory, and when the first guide roller is on the arcuate trajectory, The present invention is characterized in that a rail is provided for guiding the two guide rollers to an arcuate track that bulges outward from the linear track.

Further, the present invention provides that the can lid conveying means and the second can container conveying means include an endless chain that rotates in a substantially elliptical shape, a conveying block attached to the endless chain, and a conveying block that is attached to the endless chain.
the can lid holding means supported by the R feeding blotter block;
and a rotatable support table supported below the transport block, and the first and second guide rollers are provided on the transport block.

(Function) Only when the twelfth second guide roller moves from a linear track to an arcuate track or from an arcuate track to a linear track, the rail is provided with a track corresponding to each passing position, and is allowed to pass therethrough. During movement other than that, both guide rollers are restrained and guided by the rails to suppress swinging of the can lid conveyance means and the second can container conveyance means during movement.

Moreover, the said rail is the first. When the second guide roller moves from a linear trajectory to an arcuate trajectory or from an arcuate trajectory to a linear trajectory, both guide rollers are rotatably provided with a trajectory through which the respective guide rollers can pass. It is possible to rotate while restraining both guide rollers.

(Example) Figures 1 to 15 illustrate an example of implementing the present invention.
This will be explained in detail according to the diagram.

FIG. 1 is a schematic diagram showing the entire canned food manufacturing apparatus including the apparatus of the present invention, FIGS. 2 and 3 are enlarged plan views of a part of the apparatus of the present invention, and FIG. 5 is a sectional view taken along the line ■-V of FIG. 3, FIG. 6 is an explanatory rear view of FIG. 3, FIG. 7 is an explanatory plan view of FIG. 3, and FIG. is an explanatory sectional view of FIG. 3, and FIGS. 9 and 10 are IX- in FIG.
11 and 12 are operation explanatory views, and FIGS. 13 to 15 are explanatory sectional views.

This implementation device B double-seals a can NY to a can container X that is continuously supplied from a filling device A that fills the can container X with contents as shown in the first diagram.

Reference numeral 1 denotes a first can container conveying means that linearly and horizontally conveys the can container X filled with the contents supplied from the filling device A at a predetermined speed; A second can/container conveying means for conveying X; 3 is the second can/container conveying means 2;
4 is a can lid conveying means for conveying the can IY provided above the can lid conveying means 3; can lid holding means 1 and 5 are for holding the can lid Y on the can lid conveying means 3; is a can container
A first seaming means 6 is provided parallel to the conveyance direction on the outward path for conveying the cans X in a straight line; The second seaming means is shown.

More specifically, as shown in the first diagram, the first can/container conveying means 1 is provided so as to extend linearly from the discharge position of the filling device A and run parallel to the second can/container conveying means 2. The first
As shown in FIGS. 2 and 3, the can container conveying means 1 is provided with a rotatable endless chain 7 and the endless chain 7 at equal intervals, and the can conveying means 1 moves the body of the can container X forward and backward in the conveyance direction. It is provided with a claw piece 8 which is held between the two parts. The claw pieces 8 are provided so as to be swingable in the vertical direction, and can release the can container X from being held.

The endless chain 7 is slidably guided by a chain guide rail 9 as shown in the fourth figure. As will be described later, when tightening the can lid Y around the can container X, the claw piece 8 moves upward while touching the rail 10 and engages with the can container X, as shown by the solid line in FIG. Release.

The first can/container conveying means 1 includes a support plate 11 that horizontally supports the can/container X along the extending direction of the endless chain 7.
is provided, and the endless chain 7 is driven by a drive device (not shown).
is driven, and the claw pieces 8 fixed to the endless chain 7 slide and convey the can container X on the support plate 11 while holding the can container X therebetween. The support plate 11 is connected to the first seaming means 5.
A portion 12 parallel to the can is cut out, and as will be described later, in this region, the can X is supported and conveyed by the second can conveying means 2.

As shown in FIG. 4, the can lid conveying means 3 includes a rotatable and movable can lid holding means 4 equipped with a seaming chuck 13 for holding the can 1iY, and the can lid holding means 4 is attached to the outer periphery of the can lid holding means 4. A rotation drive means 14, which will be described later, is provided for rotationally driving the lid Y.

As shown in the fourth diagram, the second can/container conveying means 2 includes a can/container X.
A support table 15 is provided as a support section on which the can lid is placed and rotatably supported, and a rotary drive means structure having the same structure as the rotary drive means 14 provided in the can lid holding means 4 is provided on the outer periphery of the support table 15. 6.

The can lid conveying means 3 is provided integrally with the second can and container conveying means 2 at an upper portion facing the second can and container conveying means 2 by means of a conveying block 17, which will be described later.

The conveying block 17 is rotatably provided on an endless chain 18 that rotates endlessly in a substantially elliptical shape, with a large number of conveying blocks 17 connected to each other at intervals. The conveying block 17 is rotated in the same direction and at the same speed at a position parallel to the first can/container conveying means 1. As shown in the figure, on the side parallel to the first can/container transport means 1, the transport block 17 approaches in an arc shape and moves parallel to the first can/container transport means 1 with the transport direction of the first can/container transport means 1 as a tangential line. Furthermore, it is disposed so as to move away from the first can/container conveying means 1 in an arc shape, and runs parallel to the first can/container conveying means 1 at the cutout portion 12 of the support plate H1 described above.

In FIGS. 1 and 2, 19 is the can M! #, a can lid supply turret that supplies the cans 1y to the feeding means 3; 20 is a device that supplies cans NY to the can lid supply turret 9;

The conveyance block 17 includes a support part 23 formed by integrally forming an upper horizontal part 21 and a lower horizontal part 22 into a U-shape in side view, as shown in the fourth figure, and the support part 23 is connected to the endless chain 1.
A bolt 23b is detachably attached to a support plate 23a fixed to 8.
, 23c.

Further, the upper horizontal portion 21 of the support portion 23 is provided with a can lid holding means 4. The can lid holding means 4 is rotatably provided at the lower end of a support shaft 24 hanging down from the upper horizontal portion 21 via a bearing 25.26° 27, and a cam roller 28 provided on the upper side of the support shaft 24 is provided. The can lid holding means 4 supported by the upper horizontal portion 21 is moved up and down as guided by a cam rail 29, which will be described later. The can lid holding means 4 is equipped with a seaming chuck 13, and the seaming chuck 13 has a can 1y on its lower surface.
It is equipped with suction means. The suction means transmits the suction force of a suction device (not shown) to the can lid holding means 4 via a suction duct 30, which will be described later, provided on the upper part of the can lid conveying means 3. A ventilation socket 33 that communicates with an opening 31 in the center of the means 4 through a passage 32 inside the support shaft 24 is in sliding contact with the suction duct 30.

The ventilation socket 33 is mounted on a support rod 34 provided at the top of the support shaft 24 so as to be movable up and down, and is pressed against the suction duct 30 by a spring 35 inserted in the support rod 34 .

At the lower horizontal part 22 of the support section 23, there is provided a support table 1 for the can containers X, which functions as the second can container conveying means 2 described above.
5 is provided. The table I5 is rotatably provided via a bearing 37 on a support shaft 36 coaxial with the support shaft 24 of the can lid holding means 4 provided in the upper horizontal portion 21.

The conveyance block F has guide rollers 38° 39.4 provided vertically opposite each other approximately at the center of the back side of the support portion 23.
0.41 and is supported by a rail plate 42 described later,
A pair of guide rollers 43 and 44 with different heights of support shafts provided on the upper rear side of the upper horizontal section 2 are used to form a guide groove, and a guide roller 46 provided on the lower horizontal section 22 provides a guide groove. It is supported by a rail 47 having a.

Each of the conveying blocks 17 includes an endless chain 18 in which the lower back surfaces of the supporting parts 23 are connected to each other as shown in FIGS. 4 and 6, and the endless chain I8 is
The illustrated sub-blocks) 48 and 49 are driven by an unillustrated drive device.

As shown in FIGS. 2 to 6, each conveyance block 17 is
It is guided along rail plates 42 which are connected to one another and are designed in an endless manner, and along rails 45, 47 which are likewise endless. The rail plate 42 allows each conveying block 17 to approach each other in an arc shape on its outgoing path so that the conveying direction of the first can/container conveying means 1 is tangential as described above.
11, parallel to the first can and container conveying means 1 moving linearly, then guided away from the first can and container conveying means 1 in an arc shape, further guided linearly on the return path, and Guide in an arc on the outward journey.

Moreover, the rail 45 has a linear track 4 in which both the rollers 43 and 44 coincide with the rotating track of the endless chain 18.
5a and on the arcuate track 45b, the roller 4
3.44 is guided by constraining its width direction on the same track. As shown in FIGS. 8 and 9, in the portion 1 where the conveyor block 17 moves from the arcuate track 45b to the linear track 45a, the guide groove of the rail 45 has a linear track 45c in the upper half of the groove bottom side. Further, a track 45d that bulges outward from the linear track 45c is formed in the lower half of the groove opening side. When the rollers 43 and 44 pass here, the eighth
As shown in FIG. 9 and FIG.
4 moves on the upper half track 45c as shown by the imaginary line in FIG. 8 and in FIG. 10.

Also, as shown in FIGS. 8 and 10, the portion where the conveying block 17 moves from the linear track 45a to the circular arc track 45b that coincides with the rotating track of the endless chain 18! ! ,!
The guide groove of the rail 45 is formed with a track 45e that bulges outward from the arc-shaped track 45b. When the rollers 43 and 44 pass here, as shown in the virtual diagram in FIG.
The leading roller 43 moves on a trajectory 45f that is an extension of the linear trajectory 45a, and the roller 44 following the roller 43 passes on a trajectory 45e that bulges to the outer periphery.

Thereby, from the linear trajectory 45a to the arcuate trajectory 45b
, and from the arcuate trajectory 45b to the linear trajectory 45a
In the part where the transport block I7 moves to the rail 45,
You can move smoothly while being restrained.

The cam rail 29 is located at a position where the cam roller 28 of the conveying block 17 moves as shown in FIGS. It is set in. The cam rail 29 guides the cam roller 28 in the transport direction of the transport block 17, and also guides the seaming chuck 13 up and down via a support shaft 24 on which the cam roller 28 is provided. As shown in FIGS. 2 and 3, the cam rail 29 is supported by a beam member 50 that spans both cam rails 29, and is raised and lowered together by a handle via a screw screw 51 that is threaded onto the beam member 50. Ru.

The suction duct 30 is provided above the ventilation socket 33 of each transport block 17 along the movement position as shown in the second figure, and a large number of suction ducts 30 are provided at intervals on the lower surface thereof as shown in the tenth figure. A circular hole 52 is provided so as to be connectable to each ventilation socket 33.

As shown in the second figure, the first seaming means 5 is provided in a straight line corresponding to the position where the conveying block 17 runs parallel to the cutout portion 12 of the support play 1 along the rail plate 42. There is. The first seaming means 5 attaches the can NY to the flange portion of the can container X on the outward path side where the can container X is linearly conveyed by the second can container conveying means 2, as shown in FIGS. The first seaming group 53 and the second seaming group tighten the end hook part.
The winding group 54 is connected in a straight line.

The second seaming means 6, as shown in FIG.
A third seaming group 55 is linearly provided on the return path side where the cans and containers are linearly transported by the second can/container transport means 2.

The seaming chuck 13 of the can lid holding means 4 and the support table 15 of the second can container conveying means 2 are arranged so that when the can container X and the can lid Y are sandwiched between them, the two can The flange portion and the end hook portion are provided with a rotation drive means 14 and 16 for rolling the flange portion and the end hook portion thereof in pressure contact with the first seaming means 5 and the second seaming means 6.

As shown in FIG. 4, the rotation drive means 14 includes a pinion gear 56 provided all around the upper outer periphery of the seaming chuck 13, and a first seaming means 5 that can mesh with the pinion gear 56.
and a linear first rack 57 provided along the second seaming means 6.

The rotation drive means 16 is connected to the support shaft 36 of the support table 15.
It consists of a second pinion gear 58 provided coaxially with the second pinion gear 58, and a linear second rack 59 provided along the first seaming means 5 and the second seaming means 6 so as to be able to mesh with the second pinion gear 58.

Therefore, as shown in FIG. 4 and FIG. , are engaged with and rotated by the first rack 57 and the second rack 59, respectively, and the seaming chuck 13 and the support table 15 are rotationally driven. The seaming chuck 13
When the support table 15 rotates, the can lid Y and the can container X held therebetween are rotated.

As shown in FIGS. 11 and 12, the rotation drive means 14 includes a plurality of first pinion gears provided at equal intervals in the circumferential direction on a cylindrical portion that rotates coaxially with the first pinion gear 56. A protrusion 60 and a first sliding plane 61 formed of a plurality of horizontal planes that rotate together with the first protrusion 60 are provided on the top of each first protrusion 60 .

The passing position of the I-th sliding plane 6e, and the first rack 5
A first rail 63 extending upstream in the conveying direction from the tip of 7 is provided horizontally. The first sliding plane 61 comes into contact with the first rule 63, and the first sliding plane 61 rotates to a position along the first rule 63. By this rotation of the first sliding plane 61, the first pinion gear 56 is positioned at a position where it can smoothly engage with the first rack 57 that will subsequently engage.

The first protrusions 60 are provided below the central position of each first sliding plane 61, and each first protrusion 60 has a first
It is formed integrally with the teeth of the binion gear 5G.

The first protrusion 60 has a passing position, and the first rack 57
An I-th engagement member 62 that engages with the first protrusion 60 is provided between the first protrusion 60 and the second rule 63 .

As described above, after the first pinion gear 5G is rotated with the first sliding plane 6I in contact with the first rule 63 and positioned so that it can mesh with the first rack 57, the first protrusion 60 is engaged with the first retaining member 62, as the first protrusion 60 moves in the conveying direction, the first retaining member 6
2 and the first protrusion 60, the first pinion gear 5
6 is rotated and starts meshing while rolling on the first rank 57.

As shown in FIGS. 4, 5, and 11, the rotary drive means 16 has the same structure, and rotates coaxially with the second pinion gear 58. A plurality of second protrusions 64 are provided on the cylindrical portion at equal intervals in the circumferential direction, and a plurality of horizontal surfaces that rotate together with the second protrusions 64 are formed on the upper part of each second protrusion 64. Two sliding planes 65 are provided, correspondingly a second rack 59 . A second retaining member 66 and a second rail 67 are provided.

Further, the first rule 63, the first retaining member 62, the second rail 67, and the second rail 67 guide the first pinion gear 56 and the second pinion gear 58 to mesh with the first rack 57 and the second rack 59. The structure similar to that of the second engaging member 66 is
As shown in FIGS. 3 and 5, it is provided upstream in the transport direction from the tip of the second rack 59 provided in the second seaming means 6, and 68 is in contact with the first sliding plane 61. a third rail, 69 a third retaining member with which the first protrusion 60 engages;
70 is a fourth rail that the second sliding plane 65 abuts, and 71 is a fourth retaining member that the second protrusion 64 is secured to.

The operation of the present embodiment apparatus B having the above-mentioned configuration will be explained next.

After the can container X is filled with contents by the filling device A, the can container
As shown in the figure, the cans are held by the claws 8 of the first can and container transport means 1 from the front and rear sides in the transport direction, and are slid and transported linearly on the support plate 11.

On the other hand, the can lids Y are supplied from the can lid supply device 20 and are supplied to the can lid transport means 3 of each transport block 17 by the can lid supply turret 19. At the delivery position of the supplied can lid Y, the opening 31 of the can lid holding means 4 is connected to the suction duct 30 via the passage 32 and the suction socket 33, as shown in the fourth figure, so that the suction of the opening 31 is As a result, the can NY is held by suction on the can lid holding means 4.

A transport block 17 holding a can lid Y on the can lid holding means 4
is then rotated by the endless chain 18 that rotates in a substantially elliptical shape, and changes from the linear trajectory 45a to the arcuate trajectory 45b.
to go into. At this time, as shown in FIG. 8, the guide roller 43 moves along the guide groove of the rail 45 on the inner linear track 45f at the entrance of the arcuate track 45b. Subsequently, the guide roller 43 is additionally struck, and the guide roller 44 enters the track 45e that bulges outward from the linear track 45a of the rail 45.

Thereafter, the guide roller 43 and roller 44 of the conveyance block 17 rotate along the arcuate track 45b, and eventually the second
A linear track 4 whose forward path is the conveyance direction of the can/container conveyance means 2
Enter 5a.

At the entrance of this linear track 45a, the rail 45
As shown in FIGS. 9 and 9, a track 45d that bulges outward is formed in the lower half, and a linear track 45c, which is the same as the track of the endless chain 18, is formed outside the upper half. , bulges outward and moves along the track 45d of the lower half of the rail 45. Then, at the same time as the guide roller 43 moves linearly, the guide roller 44 moves the rail 4
5 in a straight line along the upper half trajectory 45c. Thereby, when the transport block 17 moves from the linear track 45a to the arcuate track 45b, or when the transport block 17 moves from the arcuate track 45b to the linear track 45a, it rotates while being restrained by the rails 45. move.

Further, as shown in FIGS. 2, 4, and 6, the conveyance block 17 is moved along the rail plate 42 and the rail 45, 47 to guide rollers 38, 39, 40, 41, 43 degrees 4, respectively.
4, the endless chain 18 gradually approaches the first can/container conveying means 1 and moves it to a position parallel thereto. At this time, the cans X transported by the first can and container transport means 1 are stopped by the pair of claws 8 from the front and back in the transport direction, and are brought to the second can and container transport means at the position of the cutout portion 12 of the support plate 11. It is transferred to the support table 15 of No. 2.

Then, the can container X is placed on the support table I5 while being retained by the claw piece 8. The can container X is placed in the center of the support table 15 accurately by being held by the claw pieces 8 even if there is a speed difference between the first can container transport means 1 and the second can container transport means 2. When the cans and containers X are reliably transferred to the second can and container transport means 2, the claws 9 come into contact with the rails 10 and move upward to release the cans and containers X, as shown in the fourth diagram. .

When the can container X is thus transferred to the second can container conveying means 2, on the other hand, the can lid holding means 4 of the can lid conveying means 3 has a first sliding plane 61 as shown in FIGS. 11 and 12. The first sliding plane 61 comes into contact with the first rule 63 and rotates to a position along the first rule 63, and the first pinion gear 56 and the first rack 5
7 are positioned so that they can mesh with each other. Thereafter, the first protrusion 60 engages with the engagement member 62, and the first protrusion 60 rotates so that the engagement between the two is released. The first pinion gear 56 meshes with the first rack 57 smoothly. At this time, the support table 15 that supported the can container
7 to position the second pinion gear 58 and the second rack 59 so that they can mesh with each other, and furthermore, the second protrusion 64
The second protrusion 64 rotates so as to engage with the retaining member 66 and release the engagement between them, causing the second pinion gear 58 to mesh with the second rack 59 while rotating. meshes smoothly with the second rack 59.

In this process, the can lid holding means 4 of the can lid conveying means 3 is lowered by the cam rail 29 via the cam roller 2B. At this time, the first pinion gear 56 and the first rack 5
7 is lowered while still being engaged. The can lid Y held by the can lid holding means 4 is attached to the can container X on the support table 15.
covered with

Further, when the transport block 17 transports the can NY and the can container X and rotates, the seaming chuck 13 of the can lid holding means 4
The support table 15 of the second can/container conveying means 2 rotates in synchronization with the conveying speed to rotate the can MY and the can/container X.

Then, on the outward path of the second can container conveying means 2, the can lid Y and the can container X are conveyed in a straight line while being rotated, and at the same time, the can lid Y and the can container
As shown in the figure, the end hook portion of the can MY is connected to the first seaming means 5.
The material is transferred while being pressed into the seaming group 53 of the material, and is thereby seamed. Subsequently, the portions that have been seamed by the first seaming groups 54 connected by the first seaming means 5 are similarly pressed together, and seaming is performed as shown in FIG. 14.

Thereafter, when the transport block 17 leaves the transport direction of the first can/container transport means 1, the can/container X with the can lid Y already tightened is transported by the second can/container transport means 2 of the transport block 17. . Then, while being held between the can-shaped holding means 4 and the support table 15, the can containers X and the cans iY are conveyed linearly by the conveying block 17, and at the same time are rotated in the same manner as described above, while being rotated by the second seaming means. It rolls while being pressed against the third seaming group 55 of No. 6, and double seaming is performed on the can container X and the can lid Y as shown in Fig. 15.

Thereafter, the can container X whose can lid Y has been completely tightened is carried out from the carrying-out path 73 by the carrying-out turret 72.

(Effects of the Invention) As is clear from the above, according to the present invention, the second can container conveying means and the can 1M conveying means are integrally provided facing each other and rotated at high speed on a substantially elliptical trajectory. Both means are restrained and guided by the rails, and are prevented from swinging by the first and second guide rollers. When guided by the guide rollers, since the rail is configured to be movable with both guide rollers being restrained, unnecessary movement is eliminated, and the portion that holds the second can container conveying means and the can lid conveying means Since unnecessary force is not applied to the device, the durability of the device can be improved.

Therefore, it is possible to provide a can lid seaming device that can improve the productivity of can lid seaming work.

[Brief explanation of the drawing]

1 to 15 show an example of the implementation of the present invention. FIG. 1 is a schematic diagram showing the entire canned food production apparatus including the apparatus of the present invention, and FIGS. 2 and 3 are the apparatus of the present invention. FIG. 4 is a cross-sectional view taken along the line fV-IV in FIG.
5 is a sectional view taken along line V-V in FIG. 3, FIG. 6 is an explanatory rear view of FIG. 3, FIG. 7 is an explanatory plan view of FIG. 3, and FIG. 8 is an explanatory view of FIG. 3. 9 and 10 are explanatory sectional views taken along line IX-IX in FIG. 8, FIGS. 11 and 12 are explanatory views of operation, and FIGS. 13 to 15 are explanatory sectional views. , FIG. 16 is a schematic diagram showing the entire can manufacturing apparatus including the conventional device, FIG. 17 is a partially enlarged plan view of FIG. 16, and FIG.
The figure is a sectional view taken along the line X--X in FIG. 17. X... Can container, Y... Can lid, 1... First can container conveying means, 2... Second can container conveying means, 3... Can lid conveying means, 4... Can Lid holding means, 5...
・First seaming means, 6...Second seaming means, 14, 16・
...Rotation drive means, 43...First guide roller, 44...Second guide roller. Patent applicant Hokkai Seikan Co., Ltd. FIG, 9 FIG, 10

Claims (1)

[Claims] 1. A can container filled with contents is conveyed linearly and horizontally at a predetermined speed by a first can container conveying means, and an approximately elliptical trajectory having an arcuate trajectory and a linear trajectory is endless. The cans are delivered to the second can/container conveying means which rotates and gradually approaches a position that is continuous with the conveying direction of the first can/container conveying means as a tangential direction, and moves in the conveying direction. It is rotatably supported and conveyed, and is rotatably raised and lowered by a can lid conveying means that is provided integrally with the second can container conveying means and facing above the second can container conveying means and moves. The can lid is removably held by the can lid holding means provided at the can lid and the can lid is conveyed, and the can lid holding means is lowered to cap the can container with the can lid held by the can lid holding means and held. In the can lid seaming device, which tightens the can lid onto the can container by rotating both together by a rotational drive means and rolling them along the linear seaming means, the can lid is brought into pressure contact with the seaming means and is wound around the can container. A leading first guide roller that guides the rotation of the can lid conveying means and the second can container conveying means and a second guide roller that follows the first guide roller are provided in parallel, and each guide roller When both guide rollers are on a linear trajectory or an arcuate trajectory, both guide rollers are constrained and guided on the same trajectory, and the first guide roller moves from the arcuate trajectory to the linear trajectory, and the second guide roller moves from the arcuate trajectory to the linear trajectory. When the first guide roller is in the linear trajectory, the first guide roller is guided to an arcuate trajectory that expands outward from the linear trajectory, and when the second guide roller moves from the arcuate trajectory to the linear trajectory, the first guide roller is in the linear trajectory. , the second guide roller is guided on a linear trajectory, and when the first guide roller moves from the linear trajectory to an arcuate trajectory and the second guide roller is on the linear trajectory, the first guide roller is guided within the arcuate trajectory. When the second guide roller moves from the linear trajectory to the arcuate trajectory and the first guide roller is on the arcuate trajectory, the second guide roller is moved outward from the linear trajectory. A can lid seaming device 2 characterized in that a rail is provided that guides the can lid along an arcuate track that expands, the can lid conveying means and the second can container conveying means comprising:
An endless chain that rotates in a substantially elliptical shape, a conveyance block attached to the endless chain, the can lid holding means supported above the conveyance block, and a rotatable conveyor block supported below the conveyance block. 2. The can lid seaming device according to claim 1, further comprising a support table, and wherein the first and second guide rollers are provided on the conveyance block.