JP2014133599A - Rotary type filling apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a rotary filling apparatus using circular section containers different in diameter.SOLUTION: A rotary type filling apparatus comprises: a rotary type filler 5 which fills circular section containers 1 different in diameter by means of a single unit; a winding fastening unit 9 for sealing the opening of a filled circular section container 1; and a conveyance unit 8 for conveying the circular section container 9 between the rotary type filler 5 and the winding fastening unit 9. The conveyance unit 8 has a finger chain 81 for conveying the circular section container 1 while pressing the rear side of the circular section container 1 in the advancing direction. The conveyance unit 8 is provided with a phase adjustment unit, and when the conveyance unit 8 supplies a circular section container 1 to a winding fastening unit 9 which requires concentricity of centers of circular section containers 1 different in diameter, the phase adjustment unit allows filling circular section containers 1 different in diameter by means of a single unit by adjusting only the positional relation of the winding fastening unit with an in-motion timer, without modifying the container positional relationship between the rotary type filler 5 and the finger chain 81.

Description

  The present invention relates to a rotary filling apparatus provided with a rotary filler in which a filling valve for filling a circular cross-section container such as a can (hereinafter referred to as a can) with a liquid is equally arranged.

  In a rotary can filler that fills cans with liquids such as beverages, it is generally rotated within the same filler with a filling valve of a predetermined pitch when delivering the filled cans to a conveyor that transports them to the next step can seamer. A method of accelerating from motion to linear motion of the conveyor with a finger chain having a pitch larger than the pitch at the filler is taken. For this acceleration, an accelerating arm is attached corresponding to the filling valve, and the shape of the accelerating arm has been proposed in order to smoothly deliver the can filled from the rotational motion to the linear motion. (Patent Document 1).

In addition, there has been proposed a dual-purpose container holder that can be applied to two types of containers having different outer diameters as a container holder with a filler (such as a can filler) that fills the container with a liquid or the like (patent) References 2 and 3).
Furthermore, in a high-speed rotary filling machine that does not seal the container mouth, a container gripping device that takes into consideration that the container does not slide down due to centrifugal force has been proposed (Patent Document 4).

Japanese Patent No. 3521816 (FIGS. 1 and 13) Japanese Utility Model Publication No. 63-40415 (FIGS. 2 and 3) JP-A-7-237745 (FIGS. 3, 4, and 5) Japanese Patent Laid-Open No. 10-101193 (FIG. 4)

According to Patent Document 1, the curvature continuously changes and the acceleration applied to the circular cross-section container continuously changes in order to smoothly transfer the circular cross-section container from the circular orbit transfer apparatus to the linear orbit transfer apparatus. The container support member (acceleration arm) which has the container engaging surface formed in the curved surface of the shape made to propose is proposed.
However, an appropriate shape of the container support member is selected depending on the size, filler radius, production capacity, number of filling valves, and the like for the purpose. There is a problem that it has to be changed and takes time and effort in production management. In addition, the container support member has a function for smoothly transferring the circular cross-section container by shifting from the circular orbit transfer device to the linear orbit transfer device, but does not have the function of holding the container, and the container holding Therefore, in the filling valve or the like, there is a problem that a holding device such as a centering bell for separately pressing the can mouth is required, and the device becomes complicated.

Moreover, according to the said patent document 2, the container (a1) from which a magnitude | size differs (The symbol in the figure of patent document 2 is displayed in brackets. The following is the same in this paragraph.) And the abbreviation corresponding to the container (a2). By switching the mounting position of the container holder (13) having the semicircular recesses (13d) and (13e), it is possible to cope with different types of transport containers.
However, in such a container holder (13), two concave portions (13d) and (13e) corresponding to the containers (a1) and (a2) are arranged in the circumferential direction of the container movement locus. Therefore, a space in the circumferential direction is required, and it is difficult to cope with a large container, and there is a problem that the diameter of the filler bowl is increased. Further, it is difficult to automatically change the diameters of all the container holders at the same time, and there is a problem that it is difficult to deal with containers having three or more types of diameters in terms of space and positioning.

Moreover, according to the said patent document 3, in order to cope with the problem of the said patent document 2, the nail | claw (20) (The symbol in the figure of the patent document 3 is displayed in parenthesis. The same is true in this paragraph below) and. The ring-shaped holding plates (14) and (15) having the claws (21) are slid to support the large-diameter container and the small-diameter container by the container holder (22) that forms the recessed portion (13). .
However, in such a conveyance method using the container holder (22), the can (11) is held by the recessed portion (13) set to correspond to the large diameter container or the small diameter container, but the diameter of the can is large. There is a problem that it is not possible to cope with an intermediate diameter between the diameter and the small diameter. Further, the can (11) cannot be firmly gripped by the recess (13) formed by the nail (20) and the nail (21). If the can (11) is forcibly and firmly grasped, there is a problem that the can (11) may be damaged or deformed in the fixed recess (13).

Further, according to Patent Document 4, the container gripping device (3) (the symbols in the drawings of Patent Document 4 are displayed in parentheses. The same applies hereinafter in this paragraph) includes the fixed arm (12) and the fixed arm. (12) A swing arm (4) supported swingably by a fulcrum pin (13) provided on the top, a spring (18) biasing the swing arm (4) in the closing direction, and swing It comprises a stopper (19) for regulating the closing angle of the arm (4), a cam follower (15) as an opening means for opening the swinging arm (4) biased in the closing direction, and a fixed cam (16). The container (1) is gripped.
However, in such a container gripping device (3), the fixed arm (12) has a substantially U-shaped cross section so that the container (1) fits into the substantially U-shaped cutout. Since the closing angle of the swing arm (4) is fixed by the stopper (19), the diameter of the container (1) to be handled is fixed to one type. When the diameters are different, there is a problem that the container gripping device (3) must be replaced. Further, since the attachment length of the spring (18) is fixed, the force for closing the swing arm (4) is fixed, and the force for gripping the container (1) can be changed depending on the type of rigidity or the like. There is a problem that you can not.

  An object of the present invention is to provide a rotary filling device that solves the above-mentioned problems.

In order to solve the above problems, the present invention aims to solve the problems by the following means.
(1) The rotary filling device of the first means includes a rotary filler that fills a circular cross-section container having a different diameter, and a winding machine that seals the opening of the filled circular cross-section container having a different diameter. A rotary filling device having a circular cross-section container having a different diameter filled between the rotary filler and the winding machine, wherein the transfer device has a circular cross section having a different diameter. When feeding to a winding machine that has a finger chain that conveys the circular cross-section container while pushing the rear side in the traveling direction of the container and requires that the centers of the circular cross-section containers having different diameters are concentric By adjusting the positional relationship of only the winding machine with an in-motion timer without changing the container positional relationship between the rotary filler and the finger chain, Characterized in that it comprises a phase adjustment device which allows also serves as a vessel.

  In this invention concerning Claim 1, the circular cross-section container from which a diameter differs can also be used.

It is a top view which simplifies and shows the whole structure of the rotary type can filler concerning this invention. It is a top view of the conveyance apparatus of the circular section container concerning the 1st Embodiment of this invention, and the right direction of a figure is the center direction of a rotary type can filler. It is AA sectional drawing of FIG. 2, and it is as partial sectional drawing. The apparatus for transporting a circular cross-section container according to the present invention is a diagram showing (a) a state immediately before holding a can and (b) a state immediately after holding when the can is transferred from the star wheel to the can filler. Only the place is written. When the transport device for circular cross-section containers according to the present invention discharges cans filled with can fillers to a conveyor, (a) the state immediately before opening the cans and (b) completely opening the cans. In the figure showing the state of discharging, only the main points are shown. It is a top view of the conveyance apparatus of the circular section container concerning the 2nd Embodiment of this invention, and is equivalent to FIG. FIG. 6 is a partial cross-sectional view taken along the line BB in FIG. 6 and corresponds to FIG.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments. In addition, constituent elements in the following embodiments include those that can be easily assumed by those skilled in the art or those that are substantially the same.

(First embodiment)
A first embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a plan view showing a simplified overall structure of a rotary can filler according to the present invention.
FIG. 2 is a plan view of the transfer device for a circular cross-section container according to the first embodiment of the present invention, and the right direction in the figure is the central direction of the rotary can filler.
FIG. 3 is a cross-sectional view taken along the line AA of FIG.
FIGS. 4A and 4B show (a) a state immediately before holding a can and (b) a state immediately after holding the can when the circular cross-section container transfer device according to the present invention delivers the can from the star wheel to the can filler. In the figure, only the important points are shown.
FIG. 5 shows (a) the state immediately before the holding of the can is released when the transfer device for the circular cross-section container according to the present invention discharges the can filled with the can filler to the conveyor, and (b) the holding of the can. It is a figure which shows the state which fully opened and discharged | emitted, and only the important point is described.

In the figure, empty cans (containers) 1 conveyed by a supply conveyor 2 are spaced at a predetermined interval by a timing screw 3 and are rotated at a position 56 via a star wheel 4 (hereinafter referred to as a can filler). ) It is fed onto the can 24 corresponding to the filling valve 6 of 5 and held by the conveying device (conveying device for different diameter cans) 20 shown in FIGS. While the can filler 5 rotates in the direction of the arrow 51, the can 1 filled with the liquid by the filling valve 6 is discharged from the can base 24 to the conveyor 8 by the fixed acceleration arm 21 at the position 58. The cans 1 discharged to the conveyor 8 are kept at a predetermined pitch by the finger chain 81 of the conveyor 8, taken into the can seamer 9, and the can lid is tightened, and then discharged to the discharge conveyor 10 to the next process. It will be transported.
Here, the pitch interval of the finger chain 81 is set larger than the pitch interval of the filling valve 6 of the can filler 5 in relation to the pitch interval of the can seamer 9.

The conveyance device 20 includes two fixed acceleration arms 21 attached to a support member 25 assembled to the rotating disk 7 of the can filler 5 via a shaft 22 and spacers 23 and 23, and a hole 26 of the support member 25. It is mainly composed of a movable arm 31 fixed to the upper part of a rotatable shaft 32.
A lever 33 is fixed to the lower portion of the shaft 32, and a pin 39 is attached to the lever 33. On the other hand, a pin 41 is attached to the support member 25, and a tension spring 40 is suspended from the pin 39 and the pin 41. The can 1 is closed to the fixed acceleration arm 21 side by the fixed acceleration arm 21 and the tension spring 40. It is sandwiched and held by a movable arm 31 that is actuated by. A roller 34 rotatably supported by a shaft 35 fixed to the other end of the lever 33 is provided, and the roller 34 engages with a track 361 of a cam 36 attached to a fixed frame (not shown) of the can filler 5. Then, the movable arm 31 is operated so as to open to the opposite side of the fixed acceleration arm 21, and the held can 1 is opened.
The curved portion 211 of the fixed acceleration arm 21 has a radius of curvature when the diameter of the can 1 to be handled is the smallest. When the diameter is larger than this, the can 1 is engaged at two points as shown in FIG. It has come to be.

On the other hand, the movable arm 31 has a shape having a curved portion 311, as shown in the figure, in the vicinity of the distal end portion 312, regardless of whether the can 1 has a large diameter or a small diameter can 101. The can 1101 is engaged.
A stopper pin 37 is attached to the upper surface of the lever 33, and the stopper pin 37 abuts against a stopper receiver 38 fixed to the lower surface of the support member 25, so that the swing of the lever 33 is closed more than specified. It is regulated not to become.
Here, the trajectory of the cam 36 starts to operate so that the movable arm 31 closes to the fixed acceleration arm 21 side at the position 55 (FIG. 1). The can 1 is set so as to hold the can 1 therebetween, and at the position 57, the movable arm 31 starts to be opened from the fixed acceleration arm 21 side. It is set to be released from the pinch of 31.
2 and 3, the small-diameter can 101 shown by a two-dot chain line shows a state of being sandwiched and held between the fixed acceleration arm 21 and the movable arm 31 shown by a two-dot chain line.

Next, the operation of the circular cross-section container transfer device 20 according to the present embodiment will be described.
FIG. 4A shows a state before the can 1 that has been transported by the star wheel 4 at the position 55 is held by the transport device 20, and FIG. Although the can 1 that has been conveyed is shown immediately after being held by the conveying device 20, it is conveyed by the star wheel 4 while the can filler 5 rotates from position 55 to position 56 by synchronous rotation with the star wheel 4. It operates so that the can 1 and the transporting device 20 can be engaged. That is, the movable arm 31 swings from the opening direction to the closing direction by the action of the tension spring 40, and holds the can 1 sandwiched at the position 56. The two-dot chain lines 52 and 42 indicate the transport track of the can base 24 in the can filler 5 and the transport track of the can 1 in the star wheel 4, respectively.
During the rotation from the position 56 to the position 57 of the can filler 5, the can 1 is filled with the liquid by the filling valve 6 while being held by the conveying device 20. In this case, the center of the can 1 and the center of the filling valve 6 are not necessarily concentric. However, since the can 1 is held by the conveying device 20, the centering (not shown) that holds the can 11 of the can 1 is held by the filling valve 6. A bell or the like becomes unnecessary. For this reason, since there is nothing in contact with the can mouth 11, the can mouth 11 is not soiled.

  FIG. 5A shows a state immediately before the can 1 filled with the liquid by the filling valve 6 is moved from the holding state by the transport device 20 to the open state at the position 57, and FIG. 5 shows a state in which the can 1 filled with the liquid by the filling valve 6 is discharged to the conveyor 8 by the fixed acceleration arm 21 of the conveying device 20, while the can filler 5 rotates from the position 57 to the position 58. The movable arm 31 of the transport device 20 is swung from the closed state to the open direction by the action of the roller 34 and the cam 36 against the action of the tension spring 40, and acts to bring the can 1 from the holding state to the open state. At the position 58, the can 1 is accelerated and discharged in the conveying direction of the conveyor 8 by the container engaging surface of the fixed acceleration arm 21. The two-dot chain lines 52 and 82 indicate the transport path of the can 24 in the can filler 5 and the transport path of the can 1 in the conveyor 8, respectively. The two-dot chain line 82 is offset from the two-dot chain line 52. Show.

In addition, since the pitch interval of the finger chain 81 is set larger than the pitch interval of the filling valve 6 of the can filler 5, a rotational phase adjusting device for adjusting the correlation of the pitch with the can filler 5 in the can seamer 9, for example, Adjustment is performed by an in-motion timer (not disclosed in paragraph [0006] of Japanese Patent Laid-Open No. 2006-36266).
2 to 5, the state where the large-diameter can 1 indicated by the solid line is held and opened has been described, but the same effect is obtained in the case of the small-diameter can 101 indicated by the two-dot chain line in FIGS. In addition, the intermediate diameter of the large-diameter can 1 to the small-diameter can 101 works in the same way, and according to the conveying device of the embodiment of the present invention, any diameter can from the large-diameter can 1 to the small-diameter can 101 The can 1 can be held and transported correspondingly, and can be accelerated and discharged to the conveyor 8 by the fixed acceleration arm 21.

(Second Embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS.
FIG. 6 is a plan view of the circular cross-section container transfer device according to the second embodiment, and corresponds to FIG.
FIG. 7 is a cross-sectional view taken along the line BB in FIG. 6 and is a partial cross-sectional view, which corresponds to FIG.

  In the drawing, the same symbols are used for the same structure as that of FIGS. 2 and 3 in the structure of the conveying apparatus (conveying apparatus for different diameter cans) 200 according to the second embodiment, and redundant description is omitted. The slide 48 to which the pin 41 is attached slides on the groove of the step portion of the slide receiver 43 fastened to the support member 25 by fastening parts (not shown). The slide 48 is provided with an engaging portion 47 such as a screw hole. The slide 48 engages with a bolt 44 passing through a screw hole 46 formed in the slide receiver 43, and the slide 48 is turned by turning the bolt 44. Is going to move forward and backward. Reference numeral 45 denotes a nut for positioning the bolt 44, which is positioned in close contact with the end face of the slide receiver 43.

  The operation of the second embodiment will be described. The mounting length of the tension spring 40 suspended from the pin 41 and the pin 39 by moving the slide 48 forward or backward by the screw 44 to advance or reverse the pin 41. Changes, the tensile force of the tension spring 40 changes, and the force between the can 1 held by the fixed acceleration arm 21 and the movable arm 31 changes. Thereby, the force which pinches | interposes the can 1 can be suitably selected in consideration of the rigidity of the can 1, prevention of damage to the can 1, and the like.

1 ... can (container),
5 ... Rotary can filler,
6 ... Filling valve,
8 ... conveyor,
20, 200 ... (different diameter can combined use) conveying device,
21 ... Fixed acceleration arm,
25. Support member,
31 ... movable arm,
33 ... Lever,
34 ... Laura,
36 ... Cam,
37 ... Stopper pin,
38 ... stopper stopper,
39 ... pin,
40 ... tension spring,
41 ... pin,
48 ... slide,
43 ... slide receiver,
44 ... Bolt,
81 ... Finger chain,
101 ... (small diameter) can

Claims (1)

Rotary type filler that fills circular cross-section containers of different diameters together, winding machine that seals the opening of filled circular cross-section containers of different diameters, and filling between the rotary type filler and the clamping machine In a rotary filling device comprising a transport device that transports the circular cross-section containers having different diameters,
The transport device has a finger chain for transporting the circular cross-section container while pushing the rear side in the traveling direction of the circular cross-section containers having different diameters,
When supplying to a winding machine that requires the center of the circular cross-section containers having different diameters to be concentric, the container positional relationship between the rotary filler and the finger chain can be changed with an in-motion timer. A rotary filling apparatus comprising a phase adjusting device that enables the circular cross-section container having different diameters to be used by adjusting the positional relationship of only the winding machine.

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