SU1369992A1 - Apparatus for wrapping cylindrical articles in paper - Google Patents

Abstract

The invention relates to a device for wrapping cylindrical articles into paper, which improves productivity and improves the quality of wrapping. Product 7 together with paper serves side

Description

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a surface on the support 10, where they form a longitudinal joint of the edges of the paper, which are pressed to the generatrix 7 by means of comb-shaped plates 15 and 16 fixed on the oppositely moving levers of the comb plates 15 and 22, which are made with successively increasing working surfaces

moreover, a pair of vanes 20 with smaller working surfaces enters the work of the groove, moving perpendicularly to the direction of movement of the comb plates 15 and 16. This pair of vanes 20 lays on the end of the product 7 the longitudinal connection of paper 2. The vanes 21 and 22 close the subsequent end folds. After forming the front folds, they are fixed with elastic clamps. 4 il.

The invention relates to a technique for packaging products without changing their position when wrapping, and can be applied when packaging cylindrical products, such as a rotary engine.

The aim of the invention is to increase the productivity and quality of wrapping.

FIG. 1 shows the proposed device; in fig. 2 is a view A of FIG. 1; Fig. 3 shows the blades of the device for forming the ends; in fig. 4 is a view B in FIG. 3

The device dp is wrapped into the paper of cylindrical articles, for example cylinder pistons, contains a frame 1 on which all mechanisms and devices are mounted. The product feed mechanism together with paper contains a roll 2 of paper, a shaft 3 of unwinding roll 2, a movable knife 4 and a clamp 6 mounted on the pivoting lever 5 for pulling a sheet of paper between the supplied product 7 and the position of the package, tray 8 and cut-off 95 providing a piece by piece delivery 7. The support 10 for the product 7 is the drive lever 11, on which the bed for the product 7 is fixed together with the paper. The bed of support 10 is curved to the shape of the surface of the product 7 and covers half of its perimeter. In the packing position, the support 10 is installed under the end of the tray 8, and in the dispensing position with the ability to interact with the discharge tray 12. The device for forming a longitudinal joint of paper

associated with the cams of the drive shaft, two levers 13 and 14, and comb plates 15 and 16 fixed to them. The latter are installed with the possibility of alternately moving and interacting with each other and the fixed article 7 along its generatrix. For a more reliable KqH stroke with product 7, when pressing and holding the paper, the comb plates 15 and 16 are bent along the turning radius of the levers 13 and 14. The plates 15 and 16 are filled with grooves so that the two edges of the paper can be pressed together and the longitudinal joint is held when the ends of the packaging are formed. The tool for forming face folds contains three alternately pivoting levers 17-19 associated with the cams of the drive shaft on each side corresponding to the ends of the product 7.

A pair of levers are equipped with flat blades 20-22, respectively

In the plane of each end of the product 7, the blades are mounted on all sides around the circumference of its base (cylinder). Each of the blades has a surface width of not less than that part of the surrounding of the base of the product 7 (cylinder), which comes in the form of cysts on one blade. Dp to ensure the laying of a hemogenic end fold with retention of the previous working surface of the blades 20-22 is filled with successively increasing. The socks of the blades 20-22 are rounded by the diameter of the product 7 and bent outward from the plane of the ends of the product 7 by preventing the paper from breaking and providing for a tighter pressing of the blade's working surface to the end of the product 7. The pair of vanes 20 with smaller working surfaces is displaceable perpendicular to the direction of movement of the plates 15 and for gripping and stacking on the end of the product 7 a longitudinal joint of paper.

The fixture for fixing the end folds contains two swing arms 23 on which the clamps 24 are secured. The latter are mounted for movement in a vertical plane passing through the axis of the product 7 and interacting with the ends of the package. To prevent damage to the packaging, the jaws 24 are made of a resilient material, such as rubber. The device includes a drive 25 and a drive (cam) shaft.

The device works as follows.

The product 7 from the tray 8, under its own weight, enters the cutter 9. At the same time, the clamp 6, rotating around the shaft 26, captures the free edge of the paper and, moving, rolls the roll 2, the movable knife 4 is activated and the sheet of paper is placed between the product feed position and the packing position. Product 7, released by otcatel 9, falls on a sheet of paper, entrains it on support 10. Here the initial formation of the packaging takes place. Bearing 10, supporting the paper, directs its ends upwards. Then the lever 13 with the plate 15 moves around the axis 26, entrains the right longitudinal edge of the paper, and presses it against the product 7 along the generatrix. The plate 15 does not retract, plate 16 carries the left edge of the paper and presses it from above. The right plate 15 is brought back to its original position, and the left 1ft holds the longitudinal connection until the first pair of face blades 20 is lowered by turning the lever 17 around the axis of the drive shaft 26. At the same time, the end fold is formed. Further, by successively turning the levers 18 and 19 with the paddles 21 and 22, the remaining folds are laid at the ends of the package. Increased from the surface, the blades

20-22 allows you to hold and additionally lock the previous crease. Then, the levers 23 with elastic conical clamps 24 are rotated and the end folds are pressed against the end surface of the product 7. On the side of the product 7 where the hole is, the end folds are tucked into the cavity of the product 7. This completes the packaging of the product. The output of the product 7 is carried out by turning the lever 11. The support 10 is lowered to the level of the discharge tray 12, and the packaged product is rolled out from the position of the packaging into the tray 12.

The invention makes it possible to increase the productivity, reliability of the device operation and improve the quality of wrapping due to the alternating interaction of all mechanisms and devices with the paper while the product is stationary without transferring it from the position to the position with constant paper retention on the product surface.

Claims (1)

Invention Formula A device for wrapping cylindrical articles into paper, comprising a product feeding mechanism together with paper, a product support, a device for forming a longitudinal joint of paper, a device for forming end folds, including blades mounted at the ends of the product: 1and with the possibility of alternate rotation, and a device for fixing the face folds, including the clamps, which are made so that, in order to increase the productivity and quality of the wrapping, the device for forming the subalignment of the paper consists of pivoting arms and comb-shaped plates fixed on them, the blades of the device for shaping the end folds are made with successively increasing working surfaces, and a pair of vanes with smaller working ifo-surfaces are mounted with the ability to move perpendicular to the direction of movement of the plates, and - presses fixation devices end folds are made of elastic. Phie. 2 23 Fiyo.