JP5133167B2 - Food container cover device - Google Patents

Description

  The present invention relates to a food for covering a plastic bottomed cylindrical container body pre-filled with food such as sherbet, jelly, ice cream, etc. with a plastic lid having a peripheral wall protruding from the periphery of the top plate The present invention relates to a container covering device.

  Conventionally, publicly known documents such as patent gazettes cannot be specifically mentioned as this type of covered device, but the conventional covered device is designed to take up the lids stacked in a downward position at predetermined positions on the table. Adsorbed and held by a vacuum pad provided at the tip of the arm for the arm, and in this state, the arm is moved three-dimensionally to the filled container body waiting at another predetermined position, and the adsorbed lid is moved to the container The lid is covered by pressing from above with respect to the main body, and then the suction of the lid by the vacuum pad is released.

  In the conventional lidded device as described above, the distance from adsorbing and holding the lid to the container main body becomes short, so it takes time to cover the container main body, and the lid work efficiency is very high. It was bad.

  In view of the above circumstances, the present invention provides a food container covering apparatus that can quickly cover a filled container body at the shortest distance and can significantly improve the covering work efficiency. With the goal.

Means for solving the above problems will be described with reference numerals in the embodiments described later. The invention according to claim 1 is a plastic bottomed cylindrical container pre-filled with food such as sherbet or jelly. A food container A covering device for covering the main body 1 with a plastic lid 2 formed by projecting a peripheral wall portion 2b on the periphery of the top plate portion 2a,
A lid stacking portion 5 is provided at a predetermined position of the table 3 to stack the lids 2 downward in a multi-stage shape. A drop hole 6 having an inner diameter larger than the outer diameter of the lid 2 is opened in the table 3 in front of the lid stacking portion 5. A pusher 7 is provided on the rear side of the portion 5 so that the lowermost lid 2 stacked on the lid stacking portion 5 protrudes toward the front pit 6 along the table upper surface 3a. A lid receiving stopper 8 is provided for receiving the distal end side of the lid 2 protruding along the upper surface 3 a and holding the lid 2 at the entrance of the pit 6 together with the pusher 7, and is held above the pit 6 at the entrance of the pit 6. A lid pressing means 9 for covering the filled container main body 1 moving to a position directly below the lid 2 by pressing the lid 2 is provided.

  Claim 2 is the food container covering apparatus according to claim 1, wherein the pusher 7 includes a flat pusher body 17 that slides along the upper surface 3 a of the table 3, and a cylinder 18 that reciprocally drives the pusher body 17. The pusher body 17 has a distal end portion formed with an arcuate concave surface portion 17a that engages with the peripheral wall portion of the lid.

  Claim 3 is the food container covering device according to claim 1 or 2, wherein the cover pressing means 9 is a pressing plate 19 that presses the cover 2 held at the entrance of the pit 6 and reciprocatingly drives it. It is characterized by comprising a cylinder 20 that performs the following.

  Claim 4 is the food container covering apparatus according to any one of claims 1 to 3, wherein the lid receiving portion 8 is formed with an arcuate concave surface portion 8a that engages with the peripheral wall portion 2b of the lid 2. It is characterized by that.

  The effect of the invention by the above solution will be described with reference numerals of embodiments to be described later. The covered device of the invention according to claim 1 is provided with a lid stacking portion for stacking the lid 2 at a predetermined position of the table 3. A drop hole 6 having an inner diameter larger than the outer diameter of the lid 2 is opened in the table 3 in front of the lid stacking portion 5, and the lowermost lid stacked in the lid stacking portion 5 is behind the lid stacking portion 5. 2 is provided along the table upper surface 3a to the front drop hole 6 side, and the tip side of the drop hole 6 receives the tip end side of the lid 2 protruding along the table upper surface 3a. A lid receiving portion 8 is provided for holding at the entrance of the pit hole 6, and the lid 2 held at the entrance of the pit hole 6 is pushed down above the pit hole 6, and the filling moves to directly below the lid 2. Already Since the lid pressing means 9 for covering the main body 1 is provided, the lid 2 protrudes from the lid stacking portion 5 to the pit 6 at the shortest distance, and the lid pressing means 9 is waiting from the pit 6 below. By pressing on the upper part of the container main body 1, the lid 2 can be instantaneously put on the filled container main body 1, and the cover work efficiency can be significantly improved compared to the conventional apparatus.

  As in the invention according to claim 2, the pusher 7 is composed of a flat pusher body 17 that slides along the upper surface 3 a of the table 3 and a cylinder 18 that reciprocally drives the pusher body 17. By forming the arc-shaped concave surface portion 17a that engages with the peripheral wall portion of the lid, the structure of the pusher 7 is simplified and the lid 2 can be more accurately protruded.

  As in the invention according to claim 3, the lid pressing means 9 is constituted by a pressing plate 19 that presses the lid 2 held at the entrance of the pit 6 and a cylinder 20 that reciprocally drives the pressing plate 19. The structure of the pressing means 9 is simplified.

  As in the invention according to claim 4, the lid catching portion 8 forms an arcuate concave surface portion 8 a that engages with the peripheral wall portion 2 b of the lid 2, so that the distal end portion of the lid 2 that is projected by the pusher 7 can be more reliably formed. Can take it.

  A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a food container covering device according to the present invention, and FIGS. 2 (a) and 2 (b) are covered devices. 3 (a) and 3 (b) are partial cross-sectional side views for explaining the lid operation, and FIG. 4 (a) is for the container body. FIG. 5B is an enlarged cross-sectional view showing a state immediately before covering the lid, and FIG. 5B is an enlarged cross-sectional view showing a state immediately after the cover is put on the container body.

  This covering apparatus is a covering apparatus that covers the container body 1 with a lid 2 in a state in which the container body 1 is pre-filled with food such as sherbet, jelly, ice cream, etc. As can be seen from (a), the container main body 1 is formed of a suitable plastic and is relatively shallow, and the upper peripheral edge 1a of the container main body 1 is formed in a substantially U-shaped cross section. An inner peripheral step 1b is formed at the lower part of the inner peripheral surface of the substantially downward U-shaped upper end peripheral edge 1a. The lid 2 is also integrally formed of the same plastic, and includes a top plate portion 2a and a peripheral wall portion 2b protruding from the peripheral edge of the top plate portion 2a. In the depressed state, an outer circumferential annular groove 2o having a U-shaped cross-section downward is formed between the depressed top plate 2a and the peripheral wall 2b. Moreover, the lower end part of the surrounding wall part 2b forms the lower end expanded part 2bb which expanded slightly outside.

  Thus, when the container body 1 is covered with the lid 2, as shown in FIG. 4 (b), the upper peripheral edge 1a of the container body 1 is fitted into the outer circumferential annular groove 2o of the lid 2 in a close fitting state. At the same time, the lid 2 is hermetically sealed to the container body 1 by closely fitting the peripheral edge 2aa of the recessed top plate 2a of the lid 2 to the inner peripheral step 1b of the container body 1.

  As shown in FIG. 1, the lid apparatus is provided with a lid stacking portion 5 for stacking a large number of lids 2 in a multi-stage downward manner via lid stacking guides 4 and 4 at predetermined positions of the table 3. A pit 6 having an inner diameter larger than the outer diameter of the lid 2 is opened in the table 3 in front of the stacking portion 5, and the lowermost lid 2 stacked in the lid stacking portion 5 is placed in the table 3 behind the lid stacking portion 5. A pusher 7 protruding toward the front pit 6 along the upper surface 3a is provided, and the tip 2 of the lid 2 protruding along the table upper surface 3a is received by the pusher 7 on the tip side of the pit 6, and the lid 2 is attached together with the pusher 7. A lid receiving stop 8 for holding the concentric position with the pit hole 6 is provided at the entrance of the pit hole 6. The lid 2 held at the entrance of the pit hole 6 is pushed down above the pit hole 6, and the lid 2 Those formed by providing a lid pressing means 9 for tegmental against the filled container body 1 come moved to a position directly below.

  As can be seen from FIG. 1, the lid stacking portion 5 is provided with a base 11 on the table 3, and this base 11 has an upper plate 11a and a width of each of the lids 2 (the thickness of the peripheral wall portion 2b). The front and rear side plates 11b, 11b, 11c, and 11c, which are about 1.5 times the width), are formed with an opening 12 having an inner diameter larger than the outer diameter of the lid 2 at a required portion of the upper plate 11a. The front and rear side plates 11b and 11b are respectively provided with an inlet portion 13 and an outlet portion 14 having a height larger than the thickness of the lid 2 (width of the peripheral wall portion 2b). A pair of front and rear lid stacking guides 4 and 4 having an arcuate cross-section are vertically fixed along the peripheral edge of the opening 12 of the upper plate 11a. The guides 4 and 4 are held by a guide holding plate 16 supported at one end by an upper member 15a of a support frame 15 provided on the front side of the table 3.

  The pusher 7 includes a flat pusher body 17 that slides along the upper surface 3a of the table 3 and the pusher body 17 that protrudes from the retracted position and pushes the lid 2 against the lid receiving portion 8 so that the lid 2 is dropped. And an air cylinder 18 that reciprocates for a predetermined stroke up to a holding position that is concentrically held at the inlet, and the tip of the pusher body 17 has an arcuate concave surface 17a that engages with the peripheral wall 2b of the lid 2. Is forming.

  The lid receiving portion 8 provided on the distal end side of the pit hole 6 receives the distal end side of the lid 2 protruding along the table upper surface 3a by the pusher 7. As can be seen from FIG. An arcuate concave surface portion 8a that engages with the peripheral wall portion 2b is formed.

  The lid pressing means 9 includes a pressing plate 19 that presses the lid 2 held at the entrance of the pit hole 6, and the pressing plate 19 from a retracted position spaced above the pit hole 6 to a lid pressing position below the pit hole 6. And an air cylinder 20 that reciprocates between predetermined strokes. The air cylinder 20 is suspended from an upper member 15 a of the support frame 15.

  Below the table 3, as schematically shown in FIG. 3 (b), a conveyor 22 in which a large number of container body receiving blocks 21 are arranged endlessly at a constant pitch is provided. While the container main body 1 is received by the container main body receiving block 21 in the transport path, and the container main body 1 is filled with a required food 10 such as a sherbet by a filling device (not shown), the movement and the pause are alternately performed at regular intervals. The container body 1 is intermittently moved repeatedly to convey the container body 1 to a position directly below the lid 2 held at the entrance of the pit 6 and is constant at a position directly below the lid 2 held at the entrance of the pit 6. During the downtime, the lid 2 is pushed down by the lid pushing means 9 on the container body 1 so as to be covered.

  As shown in FIGS. 4A and 4B, each container body receiving block 21 is provided with a container body receiving opening 23, and the upper end of the opening 23 has an upper end of the container body 1. An annular engagement groove 24 for engaging the peripheral edge portion 1a is provided, and the container body 1 is arranged in a state where the upper peripheral edge portion 1a is engaged with the annular engagement groove 24 as shown in FIG. The container main body receiving block 21 is held.

  The operation of the lidded apparatus configured as described above will be described with reference to other drawings with reference to FIGS. Note that a large number of lids 2 are stacked in a multi-stage shape in the downward direction on the lid stacking portion 5 as shown in the figure.

  First, in FIG. 2A, the step body 12 of the pusher 7 is in the retracted position, and the lid pressing means 9 has the pressing plate 19 in the retracted position above the pit 6. When the pusher body 17 enters the inlet portion 13 of the base 11 and moves forward toward the outlet 14 by the operation of the pusher 7 from the state shown in (a), the lid at the lowest position of the lid stacking portion 5 is moved. 2 is protruded and held in a concentric position with the pit 6 at the entrance of the pit 6 while being lightly held by the lid receiving portion 8 and the tip of the pusher body 17 (so as not to fall). This is shown in (b) and further details are shown in (a) of FIG.

  Thereafter, the lid pressing means 9 is operated, and the pressing plate 19 is moved downward from the retracted position to the lid pressing position as shown in FIG. Of the food container A with the lid 2 placed on the filled container main body 1 thus placed in a position concentrically with the lid 2 and waiting on the lid 2. The cross-sectional state is shown in FIG.

  In the operation of the lid pressing means 9, the pressing force of the pressing plate 19 exceeds the clamping force between the lid receiving portion 8 holding the lid 2 at the entrance of the pit 6 and the tip of the pusher body 17, The lid 2 is pushed down, and as shown in FIGS. 4A and 4B, the upper portion of the container body 1 waiting downward in a state of being engaged with the annular engagement groove 24 of the container body receiving block 21. The outer circumferential annular groove 2o, which is pressed concentrically to the side and has a U-shaped cross-section facing downward in the cross section of the lid 2, is fitted into the upper end peripheral portion 1a of the container body 1 in a close fitting state, and the inner circumferential step portion of the container body 1 The peripheral portion 2aa of the depressed top plate portion 2a of the lid 2 is in close contact with 1b, so that the food container A in which the lid 2 is sealed with the container body 1 is obtained.

  The food container A with the lid 2 on the filled container body 1 as described above is subsequently transported together with the container body receiving block 21, and then at the unloading end of the conveyor 22, as shown in FIG. Although not shown, the bottom of the container body 1 is pushed up by a well-known bottom push-up means and discharged along the discharge guide 25.

  As described above, the covered apparatus according to the present invention is provided with the lid stacking portion for stacking the lid 2 in a downward state at a predetermined position of the table 3, and the table 3 has a lid in front of the lid stacking portion 5. A pit 6 having an inner diameter larger than the outer diameter 2 is opened, and at the rear of the lid stacking portion 5, the lowermost lid 2 stacked on the lid stacking portion 5 is placed on the front pit 6 side along the table upper surface 3a. A pusher 7 that protrudes is provided, and a lid receiving portion for receiving the distal end side of the lid 2 protruding along the table upper surface 3 a by the pusher 7 and holding the lid 2 together with the pusher 7 at the inlet of the dropping hole 6. 8 is provided, and a lid pressing means for pressing the lid 2 held at the inlet of the pit 6 and covering the filled container body 1 moving directly below the lid 2 is provided above the pit 6. Therefore, the lid 2 is protruded from the lid stacking portion 5 on the table 3 to the pit 6 at the shortest distance, and is pressed against the upper portion of the filled container body 1 waiting from the pit 6 by the lid pressing means 9. As a result, the lid 2 can be instantaneously placed on the filled container body 1, so that the lid work efficiency can be significantly improved as compared with the conventional lid device.

  In the above-described embodiment, an air cylinder is used as a cylinder for horizontally reciprocatingly driving the pusher body 17 of the pusher 7, but a hydraulic cylinder may be used. Further, although an air cylinder is used as a cylinder for reciprocating the pressing plate 19 of the lid pressing means 9 up and down, it may be a hydraulic cylinder.

  Further, the conveying means for conveying the filled container body 1 to the position just below the lid 2 held at the entrance of the pit 6 is not limited to the conveyor 22 shown in this embodiment, and various conveying means are adopted. be able to. Moreover, in this embodiment, the container main body receiving block 21 holding the filled container main body 1 also shows an example of use, and other various types can be adopted.

It is a perspective view which shows the covering apparatus of the food container which concerns on this invention. (a), (b) is a partial cross section side view explaining the cover operation | movement of a cover apparatus. (a), (b) is a partial cross-sectional side view for explaining the covered operation following FIG. (a) is an enlarged cross-sectional view showing a state immediately before the cover is put on the container body, and (b) is an enlarged cross-sectional view showing a state immediately after the cover is put on the container body.

Explanation of symbols

A Food container 1 Container body 2 Lid 2a Top plate part 2b Peripheral wall part 3 Table 5 Lid stacking part 6 Pitfall 7 Pusher 8 Lid receiving part 9 Lid pressing means

Claims (4)

This is a food container covering device for covering a plastic bottomed cylindrical container body pre-filled with food such as sherbet or jelly with a plastic lid having a peripheral wall protruding from the periphery of the top plate. And
A lid stacking unit is provided at a predetermined position on the table to stack the lids downward in a multi-stage shape. A pit with an inner diameter larger than the outer diameter of the lid is opened in the front of the lid stacking unit, and a lid is placed behind the lid stacking unit A pusher is provided to push the bottom lid stacked on the stacking part to the front pit hole side along the table top surface. At the tip side of the pit hole, the pusher pushes the tip side of the lid protruding along the table top surface together with the pusher. A lid receiving part for holding the lid at the entrance of the pit is provided, and the filled container is moved above the pit by pressing the lid held at the entrance of the pit and moving to the position just below the lid A food container covering device provided with a lid pressing means for covering the main body.   The pusher is composed of a flat pusher body that slides along the upper surface of the table and a cylinder that reciprocally drives the pusher body, and the tip of the pusher body forms an arcuate concave surface that engages with the peripheral wall of the lid. The covered apparatus for food containers according to claim 1.   The lid device for a food container according to claim 1 or 2, wherein the lid pressing means comprises a pressing plate that presses the lid held at the entrance of the pit and a cylinder that reciprocally drives the pressing plate.   The lid covering device for a food container according to any one of claims 1 to 3, wherein the lid receiving portion is formed with an arcuate concave surface portion that engages with a peripheral wall portion of the lid.

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