JP2005088897A - Lid caulking/fixing apparatus for cup-like vessel - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a simple lid caulking/fixing apparatus for a cup-like vessel, which caulks and fixes a skirt of a lid of the cup-like vessel on a flange of a vessel opening. <P>SOLUTION: The lid caulking/fixing apparatus comprises a slide shaft 5 supported on a base stand 4 to be able to move up and down, a lid holding member 6 arranged on the slide shaft 5 to hold the lid 2, a positioning mechanism 7 which regulates the descent position of the lid holding member 6, a pressure plate 8 fitted into the slide shaft 5 slidably, a compression spring 9 interposed between the pressure plate 8 and the lid holding member 6, an operating lever 10 which moves up and down the pressure plate 8, a plurality of link mechanisms 11 which are actuated by the relative transfer of the pressure plate 8 to the lid holding member 6, and a plurality of nail members 12 which are formed on the link mechanisms 11, and folds in the skirt 21 of the lid 2 on the tip of the flange F toward a container body 1 and further folds in the folded skirt 21 toward the inside of the flange F. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a lid caulking and fixing device for a plastic cup-shaped container, and in particular, caulking and fixing a skirt portion of a lid fitted to the opening of a cup-shaped container to a flange portion of the container opening protruding in a cross-sectional shape. Thus, the present invention relates to a lid caulking and fixing device for a cup-shaped container that can prevent the lid from being easily removed.

  Conventionally, foods such as frozen desserts do not need to be hermetically housed in a container, so a heat seal lid that is thermally welded to the container is rarely used and is externally fitted to the opening of the container. Only a covering lid is generally used.

  Since this covering lid only needs to be pushed into the container, it has a higher production efficiency in the covering process compared to a heat seal lid or the like that requires a predetermined time for thermal welding. It is said to be suitable for food containers such as frozen desserts that require high productivity and high productivity, and has been adopted as a lid for shaved ice and pudding containers.

  However, since the conventional cover lid is only configured to cover the flange portion of the container opening, the lids may contact or collide with each other in the process of vibration applied in the distribution process or handling at the sales floor. There was a problem that the lid could be easily removed.

  Furthermore, in recent years, as awareness of food hygiene management has increased, the cover lid can be easily removed in the distribution process or at the sales floor, etc., and there is a risk of foreign matter being mixed. There was a problem that it was difficult.

  In view of the problems of the conventional cup-shaped container, the present invention is to fix the skirt portion of the lid fitted to the opening of the cup-shaped container by caulking it to the flange portion of the container opening protruding in a cross-sectional shape. Accordingly, an object of the present invention is to provide a lid caulking and fixing device for a cup-shaped container that can be easily removed by manual operation, for example, so that the lid cannot be easily removed.

  In order to achieve the above object, the cup-type container lid caulking and fixing device of the present invention is a lid fitted to the container opening on the flange of the container opening having a peripheral wall extending downward from the tip of the horizontal portion. A cup caulking lid caulking and fixing device for caulking and fixing the skirt portion of the container, the slide shaft being supported by the base so as to be movable up and down on a holder that supports the container, and being fixed to the lower end of the slide shaft, A lid holding member that holds the lid fitted to the lid, a slide shaft or a lid holding member, a positioning mechanism that defines the lowering position of the lid holding member, and a slide shaft that is slidable above the lid holding member The inserted pressure plate, the compression spring interposed between the pressure plate and the lid pressing member, the operating means for raising and lowering the pressure plate, and the pressure plate and the lid pressing member interposed Installed and pressure plate A plurality of link mechanisms that operate by relative movement with respect to the lid pressing member, and provided in the link mechanism, the skirt portion of the lid is folded toward the container body with the tip of the flange portion as a fulcrum, and the folded skirt portion is A plurality of claw members that are further folded inward are provided.

  In this case, the link mechanism is pivotally supported by a claw arm provided with a claw member at one end and disposed outside the lid, an intermediate portion on the lid pressing member side, and one end on the intermediate portion of the claw arm. A cam arm provided with a cam groove on the other end of the pressure plate, and one end pivotally supported on the other end of the claw arm, and a long groove on the other end of the claw arm. And an auxiliary arm provided.

  According to the cup-type container lid caulking and fixing device of the present invention, the slide shaft supported by the base so as to be movable up and down on the holder that supports the container, and fixed to the lower end of the slide shaft and fitted into the container A lid holding member that holds the lid, a positioning mechanism that is disposed on the slide shaft or the lid holding member, defines a lowering position of the lid holding member, and an additional member that is slidably fitted on the slide shaft above the lid holding member. A pressure plate, a compression spring interposed between the pressure plate and the lid pressing member, an operating means for raising and lowering the pressure plate, and a pressure plate interposed between the pressure plate and the lid pressing member. A plurality of link mechanisms that operate by relative movement of the plate with respect to the lid pressing member, and provided in the link mechanism, the skirt portion of the lid is folded to the container body side with the tip of the flange portion as a fulcrum, and folded. A plurality of claw members for further folding the cart portion inside the flange portion, so that, for example, by manually operating the operating means, the skirt portion of the lid fitted to the opening portion of the container body is It can be easily caulked and fixed to the flange portion of the container, thereby preventing the lid of the cup-shaped container from being easily removed while maintaining the production efficiency and facilitating the confirmation of the opened container. Can do.

  The link mechanism includes a claw member provided at one end and a claw arm disposed on the outside of the lid, and an intermediate portion is pivotally supported on the lid pressing member side and one end is pivotally supported on the intermediate portion of the claw arm, A cam arm provided with a cam groove for fitting a cam provided on the pressure plate side at the other end, and one end pivotally supported by the other end of the claw arm, and a long groove for fitting the cam at the other end. By configuring with an auxiliary arm, the claw member can be caulked and fixed accurately and smoothly.

  Embodiments of a cup caulking fixing device for cup-shaped containers according to the present invention will be described below with reference to the drawings.

1 to 6 show an embodiment of a lid caulking and fixing device for a cup-shaped container of the present invention.
The cup-shaped container lid caulking and fixing device is, for example, for caulking and fixing a lid 2 of a plastic cup-shaped container such as polyethylene to the container body 1, as shown in FIG. 7, from the front end of the horizontal portion F 1. The peripheral wall portion F2 is extended downward, and the skirt portion 21 of the lid 2 fitted to the container opening portion is caulked and fixed to the flange portion F of the container opening portion protruding in a bowl shape.
That is, as shown in FIGS. 1 to 3, this cup-shaped container lid caulking and fixing device includes a slide shaft 5 supported on a base 4 so as to be movable up and down on a holder 3 that supports the bottom of the container body 1. A lid pressing member 6 that is fixed to the lower end of the slide shaft 5 and presses the lid fitted to the container; a positioning mechanism 7 that is disposed on the slide shaft 5 and defines a lowered position of the lid pressing member 6; A pressure plate 8 slidably fitted on the slide shaft 5 above the pressing member 6, a compression spring 9 interposed between the pressure plate 8 and the lid pressing member 6, and the pressure plate An operation lever 10 for raising and lowering 8, a plurality of link mechanisms 11 interposed between the pressure plate 8 and the lid pressing member 6, and operating by relative movement of the pressure plate 8 with respect to the lid pressing member 6, and the link mechanism 11 and the lid 2 The door portion 21 with folded to the container body 1 the tip of the flange portion F as a fulcrum, and a plurality of pawl members 12, further folding the skirt portion 21 tucked inside the flange portion F.

The holder 3 is made of a dish that fits the bottom of the container body 1, and several types of holders are detachably provided so that the holder 3 can be exchanged according to the size of the container.
Moreover, this holder 3 can position not only a horizontal direction but the height direction of a container by using the spacer 31 as needed.
The base 4 to which the holder 3 is fixed is a base 41 for mounting and fixing the holder 3, a stand 42 erected from the rear part of the base 41, and extending forward from the top of the stand 42. Slide bearing 43.

The slide shaft 5 is supported by the slide bearing 43 of the base 4 so as to be slidable in the vertical direction, and a stopper 51 for restricting ascent is provided below the slide bearing 43, and the stopper 51 is provided below the stopper 51. The pressure plate 8 is slidably fitted.
A positioning mechanism 7 for the lid pressing member 6 is provided on the upper portion of the slide shaft 5, and the positioning mechanism 7 includes an adjustment nut 71 that is screwed onto the upper portion of the slide shaft 5. The lowering position of the lid pressing member 6 is defined by contacting with 43.

  The lid pressing member 6 is a crown-shaped member fixed to the lower end of the slide shaft 5 and is fitted to hold the horizontal portion F1 and the peripheral wall portion F2 of the flange portion F through the lid 2 fitted to the container body 1. The unit 61 is provided.

The pressure plate 8 is slidably fitted on the slide shaft 5 between the lid pressing member 6 and the stopper 51 and is pressed against the stopper 51 by a compression spring 9 interposed between the lid pressing member 6. ing.
A connecting plate 13 that connects the pressurizing plate 8 and an intermediate portion of the operating lever 10 is pivotally mounted on the upper portion of the pressing plate 8, and the lifting and lowering operation of the operating lever 10 is applied via the connecting plate 13. It is transmitted to the pressure plate 8.

The control lever 10 is pivotally mounted on the stand 42 of the base 4 so that the tip grip 14 can swing up and down, and the grip 14 automatically returns to the upper position. The end is urged downward by the tension spring 15.
The connecting plate 13 is pivotally attached to an intermediate portion of the operation lever 10, and when the operation lever 10 is lowered, the pressure plate 8 is pushed down via the connection plate 13.
In this case, the pressed-down pressure plate 8 pushes down the lid pressing member 6 and the slide shaft 5 via the compression spring 9, while the adjustment nut 71 of the slide shaft 5 comes into contact with the slide bearing 43 and the lid pressing member 6 After the lowering is restricted, it moves toward the lid pressing member 6 while pressing the compression spring 9.

In this embodiment, the claw member 12 is formed in an arc shape obtained by dividing the entire circumference of the container lid 2 into six pieces, and six claw members 12 are arranged around the lid 2.
Note that the shape and quantity of the claw member 12 can be selected as appropriate. For example, as shown in FIG. 6, the claw tip can be formed into a waveform or linear.
In addition, a heater can be provided on the claw member 12 and the lid 2 can be plastically deformed while being heated to be caulked and fixed to the container.

On the other hand, as shown in FIGS. 4 to 5, the link mechanism 11 includes a claw arm 16 provided at one end and disposed on the outside of the lid 2, and an intermediate portion on the lid pressing member 6 side. Are respectively pivotally supported by the intermediate portion of the claw arm 16 and are provided with a cam arm 19 provided at the other end with a cam groove 18 into which the cam 17 provided on the pressure plate 8 side is fitted, and one end of the claw arm 16 at the other end. And an auxiliary arm 20 provided at the other end with a long groove 21 into which the cam 17 is inserted.
In this case, a tension spring 22 is installed on the other end of the claw arm 16 and one end of the cam arm 19 to return the claw arm 16 to the initial position.

The claw arm 16 is disposed radially outside the lid 2 with the claw member 12 facing inward, and the cam arm 19 and the auxiliary arm 20 connect the intermediate portion and the other end of the claw arm 16 to each other. Each is swingably supported.
The cam groove 18 of the cam arm 19 has a slant groove 18a and a vertical groove 18b. When the cam 17 of the pressure plate 8 moves in the slant groove 18a, the cam arm 19 cooperates with the auxiliary arm 20 to engage the claw arm 16. The claw member 12 is moved inward.
At this time, the cam 17 moves in the long groove 21 of the auxiliary arm 20 while moving the oblique groove 18 a of the cam groove 18, and after the cam 17 reaches the lower end of the long groove 21, the cam 17 is moved to the long groove 21. Then, the auxiliary arm 20 is pushed downward through the edge of the claw, and the claw arm 16 is swung to move the claw member 12 upward.

Next, the operation of the cup-type container lid caulking and fixing device of this embodiment will be described.
First, as shown in FIGS. 1 and 4A, the container body 1 covered with the lid 2 is placed on the holder 3, the grip 14 of the operation lever 10 is pushed down by hand, and the pressure plate 8 is connected via the connecting plate 13. Press down.

As shown in FIG. 4B, the pressed pressure plate 8 pushes down the lid pressing member 6 and the slide shaft 5 via the compression spring 9, while the adjustment nut 71 of the slide shaft 5 contacts the slide bearing 43. By contacting, the lid pressing member 6 stops at the position where it is fitted to the lid 2.
After the descent of the lid pressing member 6 is stopped, the pressure plate 8 moves toward the lid pressing member 6 while pressing the compression spring 9 as shown in FIG. The link mechanism 11 is operated.

As shown in FIGS. 4 (b) to 5 (a), the cam 17 first descends the oblique groove 18 a of the cam groove 18 of the cam arm 19, whereby the cam arm 19 cooperates with the auxiliary arm 20. Then, the claw member 12 of the claw arm 16 is moved substantially horizontally inward.
Thereby, the nail | claw member 12 can fold the skirt part 21 of the lid | cover 2 to the container main body 1 side by using the front-end | tip of the flange part F as a fulcrum, as shown to Fig.5 (a).

Further, as shown in FIG. 5A, the cam 17 moves in the long groove 21 of the auxiliary arm 20 while moving the oblique groove 18a of the cam groove 18, and as shown in FIG. After the cam 17 reaches the lower end of the long groove 21, the cam 17 pushes the auxiliary arm 20 downward through the edge of the long groove 21 to swing the claw arm 16 and move the claw member 12 upward.
Thereby, the claw member 12 can be further crimped and fixed to the container body 1 by further folding the folded skirt portion 21 inside the flange portion F, as shown in FIG.

When the caulking and fixing of the lid 2 by the claw member 12 is finished, when the force applied to the operation lever 10 is loosened and returned, the pressure plate 8 with the released pressing force is released as shown in FIG. Further, the compression spring 9 moves up to the stopper 51 along the slide shaft 5, and as the pressurizing plate 8 moves up, the link mechanism 11 operates to return the claw member 12 to the initial position.
Then, the pressure plate 8 that has risen up to the stopper 51 raises the slide shaft 5 through the stopper 51 when the operation lever 10 further rises, and as a result, as shown in FIG. The claw member 12, the lid pressing member 6 and the like return to the initial positions.

Thus, the lid caulking and fixing device of the cup-shaped container of this embodiment is fixed to the slide shaft 5 supported on the base 4 so as to be movable up and down on the holder 3 that supports the container, and to the lower end of the slide shaft 5. A lid holding member 6 that holds the lid fitted to the sliding member 5, a positioning mechanism 7 that is disposed on the slide shaft 5 and that defines the lowering position of the lid pressing member 6, and slides on the slide shaft 5 above the lid holding member 6. A pressurizing plate 8 fitted and inserted, a compression spring 9 interposed between the pressurizing plate 8 and the lid pressing member 6, an operation lever 10 for moving the pressurizing plate 8 up and down, and a pressurizing plate 8 and the lid pressing member 6, and a plurality of link mechanisms 11 that operate by relative movement of the pressure plate 8 with respect to the lid pressing member 6. The link mechanism 11 is provided with the skirt portion 21 of the lid 2. The tip of flange F Since it is provided with a plurality of claw members 12 that folds into the container body 1 side as a point and further folds the folded skirt portion 21 into the flange portion F, the opening portion of the container body 1 is operated by operating the operation lever 10. The skirt portion 21 of the lid 2 fitted to the container can be easily caulked and fixed to the flange portion F of the container opening, so that the lid 2 of the cup-shaped container can be easily removed while maintaining the production efficiency. In addition, it is possible to easily check the opened container.
The link mechanism 11 includes a claw arm 16 provided with a claw member 12 at one end and disposed outside the lid 2, an intermediate portion on the lid pressing member 6 side, and one end on an intermediate portion of the claw arm 16. The cam arm 19 is pivotally supported, and is provided with a cam groove 18 into which the cam 17 provided on the pressure plate 8 is inserted, and one end is pivotally supported on the other end of the claw arm 16. By comprising the auxiliary arm 20 provided with the long groove 21 into which the other end 17 is inserted at the other end, the caulking fixing operation of the claw member 12 can be performed accurately and smoothly.

  Although the embodiment of the present invention has been described above, the lid caulking and fixing device for the cup-shaped container of the present invention is not limited to the description of this embodiment. For example, the operation lever is mechanically automatic such as a cylinder. It can be appropriately changed within a range that does not deviate from the gist, such as being constituted by an operation means.

  The lid caulking and fixing device of the cup-shaped container of the present invention has a characteristic that the skirt portion of the lid fitted to the opening of the container body can be easily caulked and fixed to the flange portion of the opening. In addition, it can be used to close food containers such as frozen desserts in food factories such as frozen desserts, and it can be easily closed by manual operation to ensure a certain degree of sealing if necessary. Conventionally, in retail sales of foods such as side dishes, synthetic resin containers are used instead of packaging forms that have been strictly packaged using synthetic resin bags and rubber bands or tape to prevent leakage. be able to. In particular, the lid caulking and fixing device of the cup-shaped container of the present invention can reduce the packaging cost as compared with the conventional packaging form, and can adjust the strength of the fixing force due to caulking, so that the consumer can have a sense of play. It can be used for various purposes such as use in a backyard for selling foods such as side dishes in a buffet style at department stores, supermarkets, etc. Is.

It is a front view which shows one Example of the lid crimping fixing device of the cup-shaped container of this invention. It is the sectional view on the AA line of FIG. It is a top view which shows the lid crimping fixing apparatus of the Example. The operation of the lid caulking fixing device is shown, (a) is an enlarged front view showing an initial state of the caulking mechanism, and (b) is an enlarged front view showing a state where the lid pressing member is fitted to the lid. The operation | movement of the lid crimping fixing apparatus is shown, (a) is an enlarged front view showing the horizontal movement state of the claw member, and (b) is an enlarged front view showing the raised state of the claw member. The nail | claw member of the Example is shown, (a) is a front view which shows the nail | claw member of a linear toe, (b) is a front view which shows the nail | claw member of a corrugated toe, (c) is the same top view, (d ) Is the same side view. It is a partial cross section front view which shows the container used with the lid crimping fixing apparatus of the Example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Container body F Flange part F1 Horizontal part F2 Peripheral wall part 2 Lid 21 Skirt part 3 Holder 31 Spacer 4 Base 41 Base 42 Stand 43 Slide bearing 5 Slide shaft 51 Stopper 6 Lid holding member 61 Insertion part 7 Positioning mechanism 71 Adjustment nut DESCRIPTION OF SYMBOLS 8 Pressure plate 9 Compression spring 10 Operation lever 11 Link mechanism 12 Claw member 13 Connection plate 14 Grip 15 Tension spring 16 Claw arm 17 Cam 18 Cam groove 18a Oblique groove 18b Vertical groove 19 Cam arm 20 Auxiliary arm 21 Long groove 22 Tension spring

Claims (2)

  A cup caulking lid caulking and fixing device for caulking and fixing a skirt portion of a lid fitted to the container opening to a flange portion of the container opening having a peripheral wall extending downward from the tip of the horizontal portion, A slide shaft that is supported on the base so as to be movable up and down on the holder that supports the container, a lid pressing member that is fixed to the lower end of the slide shaft and that holds the lid fitted to the container, and a slide shaft or lid pressing member A positioning mechanism that defines a lowered position of the lid pressing member, a pressure plate that is slidably fitted on the slide shaft above the lid pressing member, and between the pressure plate and the lid pressing member A plurality of link mechanisms that are interposed between the compression plate, the operating means for raising and lowering the pressure plate, and interposed between the pressure plate and the lid pressing member and operated by relative movement of the pressure plate to the lid pressing member. And the And a plurality of claw members for folding the skirt portion of the lid to the container body side with the tip of the flange portion as a fulcrum, and further folding the folded skirt portion to the inside of the flange portion. A lid caulking and fixing device for cup-shaped containers.   The link mechanism includes a claw arm provided with a claw member at one end and disposed on the outside of the lid, and an intermediate portion is pivotally supported on the lid pressing member side and one end is pivotally supported on the middle portion of the claw arm. A cam arm provided on the other end with a cam groove for inserting a cam provided on the plate side, and an auxiliary arm having one end pivotally supported on the other end of the claw arm and a long groove for inserting the cam on the other end The lid caulking and fixing device for a cup-shaped container according to claim 1, comprising:

Images