JPS5918964Y2 - packaging equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a packaging device, and more particularly to a packaging device characterized by folding means for wrapping paper.

The applicant wraps the wrapping paper around the product, and folds the upper edge of the opening end upward while folding the opposite side edges of the opening end of the wrapping paper that protrudes from both ends of the product into a rectangular cylindrical shape along the end surface of the product. An application was filed for a packaging method and device in which the upper and lower edges are folded along the end surface of the product (Japanese Unexamined Patent Application Publication No. 1983-1983).
No. 12013).

Therefore, the present invention is another implementation structure of the packaging device according to the above-mentioned application, in which at least one side of the square cylindrical opening end is folded in, and the upper edge is raised upward. The member is characterized in that it consists of a folding claw that projects along the bottom of the product end face and a rocking plate that swings above the folding claw along the product end face.

The above-mentioned folding members may be installed on each opposing left and right side of the body wrapper that wraps the wrapping paper around the product, or they may be installed only on one side of the body wrapper and a fixed folding plate on the other side. Alternatively, a movable folding plate that reciprocates linearly toward the packaging section may be installed.

The order of folding the side edges of the opening end of the square tube-shaped wrapping paper is to fold both sides at the same time and lift the top edge, or to fold one side edge first, lift the top edge, and then fold the product. Any method may be used in which the other side edge is folded in and the upper edge is lifted up during transportation.

To explain the embodiment of the present invention with reference to the drawings, FIGS. 1 and 2 show a packaging device, in which a body wrapping part A is located on the left side of the figure, and the upper right side of the support bases 1 and 1 of the packaging part A is located. A transport path a is formed continuously on the 1st side, 2nd side is the box product in which the product is packaged, and the opening is the wrapping paper.

The trunk packaging section A has an elevator 2 movable up and down directly below support stands 1, 1 whose spacing can be adjusted according to the width of the product A, and supports 1, 1 behind the support stands 1, 1.
A bottom folding plate 3 is provided which horizontally reciprocates between the support bases 1 and 1.
A support claw 4 is installed on the front surface of the device 1 so as to be able to freely fall down and maintain the device in an upright position until a predetermined load is applied.

Further, behind the support stands 1, 1, there is a transfer path a on the bottom folding plate 3.
A movable frame 5 that reciprocates horizontally in the direction is installed, and a pusher 6 is attached to the movable frame 5 that moves the approximate center of the supports 1, 1 back and forth in the direction of the transfer path a. A button 7 projecting onto the transfer path a via an arm 7' is attached to the movable frame 5 so as to be reciprocally movable.

The arm 7' is attached to be able to swing vertically, and the movable frame 5
During the return movement, the arm 7' moves up and moves the pusher 7 to the transfer path a.
Make sure to move it back while lifting it onto the product 1 above.

Further, the movable frame 5 is provided with a pair of folding pawls 8 and a swing plate 9 on both sides of the bushing 6, and the two constitute a folding member 10.

The folding pawl 8 is fixedly protruded from a support plate 22 that can be suspended from the movable frame 5, and the rocking plate 9 is attached to a rotation shaft 11 that is rotatably supported horizontally on the movable frame 5. It is a substantially fan-shaped plate that can be freely pivoted up and down on the folding claw 8 by rotation.

The folding claws 8 and the rocking plate 9 are attached at positions touching each end face in the length direction of the product.
1, that is, positioned substantially in line with the bottom edge of the end face of the product A that has reached the support stands 1, 1, and protrudes laterally.

The folding pawl 8 has a length that projects forward in the transport direction by an appropriate length from the bushing 6.

A folding plate 12 is installed at the front of the packaging section A on a line facing the folding member 10.

The folding plate 12 is fixedly installed in front of the support stands 1, 1, and its lower edge 12' is positioned in the same position as the folding claw 8.

The folding plate 12 is made of a wall member that stands up on its lower edge 12' and has its rear part protruding behind the lower edge 12', and its upper edge is formed at a height that projects an appropriate length above the product 4. do.

The upper part of the folding plate 12 is slightly inclined outward, and the rear part is inclined outwardly so that the opening of the wrapping paper can be folded in and folded up easily.

Further, a return plate 13, an ear folding plate 14, a guide plate 15, and a folding rod 16 are installed in front of the folding plate on the transfer path a, and an elevator is installed below between the folding rods 16 and 16 at the end of the transfer path a. 17 will be installed.

For wrapping paper, between the elevator 2 and the support stands 1, 1, a product according to the size of the product is fed out, and at the rear of the elevator 2, one product is placed on the elevator 2. A transfer path 18 is provided in succession.

To explain the wrapping operation, the product I transferred from the transfer path 18 to the elevator 2 in the body wrapper A moves upward between the supports 1 and 1 while pushing up the wrapping paper opening as the elevator 2 rises. The edges of the iron platforms 1, 1 are pushed out and supported by riding on the platforms 1, 1, and the elevator 2 then descends.

Thereafter, the bending plate 3 is inserted along the bottom surface of the product, so that the rear part of the wrapping paper opening is folded along the bottom surface of the product.

Next, the movable frame 5 moves toward the packaging section A, and the folding claws 8 fold in the bottom of the rear side edge 20-1 of the opening end 20 of the wrapping paper opening protruding from both ends of the product A along the end surface of the product A. The rocking plate 9 swings upward to fold the side edge 20-1 along the end face, and then folds up the rear part of the upper edge 20-3 that is continuous with the edge 20-1 vertically upward (Fig. 3). ).

After the above-mentioned folding operation, the pusher 6 hits the product A with a slight delay and pushes the product onto the transfer path a, so that the front part of the wrapping paper opening uses the front support 1 as a folding piece and is folded into the bottom of the product A. Then, as the wrapping paper opening is wrapped around the body, the folding plate 12 hits the front side edge 20-2 of the opening end 20 and folds the side edge 20-2 along the end surface of the product, and then folds the upper edge continuously thereto. Fold up 20-3 upwards (Figures 4 and 5).

Side edges 20 formed by the folding member 10 and the folding plate 12, . 2
(By folding up the upper edge 20-3 following the L2 folding, the upper edge 20-3 is formed into a predetermined lug shape with both side ends folded into a triangular shape (FIG. 6).

The subsequent transfer of the product A is carried out by the pusher 7 during the next stroke after the movable frame 5 has taken one stroke. First, the folded-up upper edge 20-3 of the product A comes into contact with the return plate 13 and moves horizontally along the iron plate 13. The lower edge 20-4 is folded back into the shape of the folded plate 1.
4 and is folded into the end face of the product by the iron plate 14 (Fig. 7), and then the upper edge 20-3 is moved onto the elevator 17 at the end of the transfer path a while maintaining a horizontal state along the guide plate 15, and then The elevator 17 rises and the product A moves to the folding rod 1.
6.16 and when passing between the rods 16, 16, the upper edge 20-3 is folded along the end surface of the product and overlapped with the previously folded lower edge 20-4 ( 8th
figure form).

In addition, 19.19 in the figure is a heater, which is attached to the bottom folding part of the wrapping paper opening that moves over the heater.

Next, FIGS. 9 and 10 show another embodiment of the present invention, in which a folding member 10' consisting of a folding claw 8' and a swinging plate 9' is located where the folding plate 12 of the above embodiment is located. was installed.

The folding pawl 8' corresponds to the lower edge 12' of the folding plate 12 of the embodiment, and the rear half of the folding plate 12 is cut out, and a rocking plate 9' is attached to the cut out part by a rotating shaft 21 to vertically swing the folding plate 12. Let it hang freely.

The swing plates 9 and 9' allow the product A to be moved to some extent in the direction of the transfer path A by the pusher 6, and the folding claws 8 and 8' move the side edges 20 of the opening end 20, . When the bottom part of 202 is folded into the end face of the product, it simultaneously swings upward toward the product A side, and the side edge 20,
．． 2 (Continuing with the folding of L2, the upper edge 20-3 is folded upward and vertically.)

For convenience of explanation, the same members as those in the advance sale embodiment are shown with the same reference numerals, and the description thereof will be omitted.

Since the present invention is constructed as described above, the opening end of the wrapping paper of a product wrapped around the body by a pair of left and right folding members consisting of a folding claw and a swing plate, or a folding member on one side and a folding plate on the other side. Both side edges of the product are folded along the end surface of the product, and the upper edge is folded upward substantially vertically.

Thus, the upper edge of the opening edge is formed into a predetermined lug shape by folding both side edges into a triangular shape by folding up and folding up the side edge, and the upper edge of the folding plate is raised steplessly. Therefore, the upper edge of the wrapping paper can be formed into a predetermined shape regardless of the height of the product.

Therefore, the conventional work of adjusting the height of the folding claws for folding the side edges according to the height of the product or replacing the folding claws is no longer necessary, and it is possible to provide a packaging device that improves work efficiency.

Also, since the swing plate is swung from bottom to top along the end surface of the product to fold up the upper edge, the side edges of the wrapping paper can be folded in to form a lug shape at the end of the top edge 20-3. In the initial stage of formation, a portion R is formed that is compressed into a small size and has a strong stiffness (the stiffness becomes especially strong when the paper thickness is large or the paper quality is hard) (Fig. 11); By the upward movement of the rocking plate, it can be folded up smoothly (FIG. 12) and reliably formed into the predetermined shape of the lug, improving workability and having a simple structure.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway side view of the device of the present invention, Fig. 2 is a plan view thereof, Figs. 3 and 4 are side views showing the operating state of the main parts, and Fig. 5 is a plan view of Fig. 4. Figures 6 to 8 are perspective views showing the packaging order after the folding process, Figure 9 is a side view showing a modification of the present invention, Figure 10 is a plan view thereof, and Figures 11 and 12. The figure is a perspective view illustrating the function of the rocking plate. In the figure, 'A' is the trunk wrapping part, 8, 8' are folding claws, 9, 9'
is a swinging plate, 10, 10' is a swinging member, 20 is an opening end of the wrapping paper, 20-0°20-2 is a side edge, 20-3 is an upper edge, 2
0-4 is the lower edge, A is the product, and the opening is the wrapping paper.

Claims (1)

[Scope of utility model registration request] Wrapping paper is wrapped around the product, and the upper edge of the opening end is raised upward while folding the opposite side edges of the opening end of the wrapping paper that protrudes from both ends of the product into a rectangular tube shape along the end surface of the product. ,
After that, in the packaging machine which is O-shaped so that both the upper and lower edges are folded along the end surface of the product, at least the opposite left and right side edges of the square cylindrical open end are folded in and the upper edge is carried upward. A packaging device in which the folding member on one side includes a folding claw protruding along the bottom of the product end face, and a substantially fan-shaped rocking plate suspended above the folding claw and swinging upward along the product end face.