KR100469620B1 - method and apparatus for forming a lining in the PT cap - Google Patents

Abstract

The present invention can be easily manufactured by forming a Piticap lining precisely without wrinkles with a simple configuration, and furthermore, a method and apparatus for forming a Piticap lining that can ensure the sealing of the Piticap to provide.

In the method for forming the lining of the Piticap, the compounding liquid for the lining 12 is poured into the vicinity of the cylindrical side wall 16 of the cap shell 11, and the temperature around the cap shell 11 is 215 to 230 degrees Celsius. It is characterized in that the compound liquid is molded while maintaining and discharging the air around the compound liquid, the lining forming device, after forming or during the forming of the cap shell 11 of the Piticap 10 cap shell (11) In the lining forming apparatus of the Piticap for forming the lining 12 in the interior of the mold: Forming the compounding liquid for the lining 12 injected near the cylindrical side wall portion 16 inside the cap shell 11 into a predetermined shape And a molding apparatus 80 having a molding block 96 having a side wall portion 97 and a bottom surface 98 formed therein, and maintaining the temperature around the cap shell 11 at 215 degrees Celsius to 230 degrees Celsius. Temperature sensing means 65 and heating means 64 in the vicinity of the device 80. Air discharge means (87, 92, 94) for discharging air around the compound liquid while the molding block (96) of the molding apparatus (80) for molding the compound liquid is lowered to the final molding position. It is characterized in that the molding device 80 is installed.

Description

Method and apparatus for forming a lining in the PT cap

The present invention relates to a method and apparatus for forming a lining of a Piticap, and more specifically, a seal on a PT cap (press on / twist off closure), which is used as a bottle cap, can be reliably ensured with a simple configuration. A method and apparatus for forming a lining of a Piticap, in which a lining free of debris can be formed.

In general, as a container for juice, coffee, soy milk, dairy products, mushrooms, spaghetti, spices, etc., a bottle 20 having a pit cap 10 as shown in FIG. 1 is used, and the pit cap 10 The lining 12 is formed over the outer peripheral part of the ceiling plate part 15 and the cylindrical side wall part 16 so that sealing property can be ensured when the content is to be kept fresh for a long time. Reference numeral 13 denotes a curling portion.

However, such a lining 12 has a problem of lowering the sealability when the shape thereof is not precisely formed, and the process of forming the lining 12 and the device for ensuring such sealability are not only complicated. There are problems in terms of sealability or hygiene due to wrinkles or debris.

Accordingly, the present invention is to solve this problem, it is possible to easily manufacture the Piticap by forming the Piticap lining precisely without wrinkles in a simple configuration, furthermore, to ensure the sealability of the Piticap Its main purpose is to provide a method and apparatus for forming a lining of a Piticap.

It is a further object of the present invention to provide a method and apparatus for forming a lining of a Piticap, which can be prepared without exposing unsanitary debris to the outside of the cap.

1 is a schematic exploded view showing the coupling structure of the Piticap and the bottle,

Figure 2a is a block diagram showing an example of the manufacturing process of the Piticap of Fig. 1 together with the lining forming method according to an embodiment of the method of the present invention, Figure 2b is a schematic process diagram showing an example thereof;

Figure 3 is a plan view showing the configuration of the lining forming apparatus according to an embodiment of the device of the present invention to remove the upper devices in accordance with the flow of the cap,

4 is a partial cross-sectional front view showing an example of the configuration of the distribution device and the molding device of FIG.

5 to 7 is a partial cross-sectional view showing in detail the cam curve in accordance with the forming process of the lining to explain an example of the configuration of the molding apparatus of FIG.

8 is a bottom view of the molding mold of FIG. 5.

<Description of the symbols for the main parts of the drawings>

10: Piticap 11: Capshell

12: lining 13: curling section

15: Ceiling plate part 16: Cylindrical side wall part

20: bottle 21: seal

31,41,51,61,71: shaft 32,42,52,62,72: rotary feed plate

33,43,53,63,73: Insertion grooves 34,44,54,74: Feed guide

45: swivel base 46: pulley

47: belt 62a: cap shell support plate

64: heating means 65: temperature sensing means

66: upper support guide plate 67: lower support guide plate

68: fixed cam plate 80: molding device

81: lifting rod 82: large neck

83: roller 85: spring

86: support block 87,92,94: air hole

90: grip block 91: grip projection

95: spring 96: molding block

97: side wall 98: bottom

100: base frame E0: nozzle

E1: distributor E2: liquid shutoff and supply air cylinder

E3: working rod E5: high pressure tube

H0, H6: Transfer belt H1, H3, H5: Transfer station

H2: Distribution and Flow Station H4: Molding Station

G1, G2, G3: gear M1: motor for rotary feed plate

M2: Motor for Swivel

In order to achieve the above object, the method of forming a lining of a Piticap according to an embodiment of the present invention, in the forming method of the lining of the Piticap for forming a lining in the capshell after or during the molding process : Injecting the compounding liquid for lining in the vicinity of the cylindrical side wall of the cap shell, and maintaining the temperature around the cap shell and molding the compound liquid while discharging the air around the compound liquid. It features.

In this case, after the compound liquid is introduced into the cap shell, the compound liquid is rotated by using the centrifugal force by rotating the cap shell into which the compound liquid is maintained around the cylindrical side wall portion except for the center portion of the ceiling plate portion of the cap shell before molding. The compound liquid flows radially outwardly from the central portion of the part, and the cap shell for forming the lining is half curled at the end of the cylindrical side wall of the cap shell to prevent the lining from flowing out during molding. It is preferred to be charged, the lining is molded, and then complete curling.

Further, the apparatus for forming a lining of a Piticap according to an embodiment of the apparatus of the present invention is a lining forming apparatus of a Piticap for forming a lining inside a capshell after or during the forming of the cap shell of the Piticap: a capshell And a molding device having a molding block having a side wall portion and a bottom surface for forming a lining compound liquid introduced into a cylindrical side wall portion in a predetermined shape, wherein the temperature around the cap shell is 215 degrees Celsius to 230 degrees Celsius. A temperature sensing means and a heating means are installed near the molding apparatus for holding, and the air discharge for discharging the air around the compound liquid while the molding block of the molding apparatus for molding the compound liquid descends to the final molding position. The means is characterized in that it is installed in the molding apparatus.

In addition, the molding apparatus, protrudes from the inside of the bottom surface of the molding block before the fully descending of the molding block, gripping the central portion of the inner surface of the ceiling plate portion of the cap shell, and interposed with a spring so as to rise relative to the molding block until fully lowered. The holding block is installed inside the molding block so as to be able to move up and down, and the molding block is fixed to the support block. In this case, the air discharging means comprises an air hole formed in the support block and the holding block which communicate with the outside. In addition, in order to apply the centrifugal force so that the compound liquid is maintained at the portion except the center portion of the top plate portion of the cap shell before the compounding compound for lining is introduced into the cap shell to be molded into a predetermined shape. It is inserted into the insertion groove of the rotating feed plate rotating through the shaft and conveyed along the feed guide on the circumference. At the same time, the support may be installed to support the rotation of the rotating base through the pulley and the belt to support the cap shell located in the insertion groove.

In addition, a plurality of moldings are inserted into a plurality of insertion grooves of a rotating transfer plate rotating through a shaft, and are transported on a circumference, thereby holding a cap shell positioned in each insertion groove to form a lining and loading and unloading the cap shell. An elevating device may be provided for elevating the device between the loading / unloading position and the forming position.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

2A shows a lining forming method according to one embodiment of the method of the present invention in a block diagram with an example of the manufacturing process of the Piticap 10, and FIG. 2B shows a schematic manufacturing process diagram of the Piticap 10. FIG. .

In the lining forming method of the present invention in Figure 2a, the compounding liquid for the lining 12 is injected into the vicinity of the cylindrical side wall portion 16 inside the cap shell 11, as in step S4, step S6 and step S7, the cap shell (11) It is characterized in that the compound liquid is molded while the ambient temperature is maintained at 215 degrees to 230 degrees Celsius and the air around the compound liquid is discharged.

In FIG. 2A, the cap shell 11 is formed once (step S1), and in step S2, the cap shell 11 is maintained around the cylindrical side wall portion 16 except for the central portion of the top plate portion 15 of the cap shell 11. It is injected into the inside of). If necessary, after the compound liquid is introduced into the cap shell 11, the compound liquid is maintained around the cylindrical side wall portion 16 except for the center portion of the top plate portion 15 of the cap shell 11 before molding. And rotating the capshell 11 into which the compound liquid has been injected to use the centrifugal force to flow the compound liquid radially outward from the center portion of the top plate portion 15 (radial flow step of step S3). In this way, the compound liquid does not flow into the central portion, so that the compound liquid is easily held in the molding step, and after molding, there is no debris inside.

Thereafter, in the temperature control step of step S4, the compound liquid is maintained within a temperature range of 215 degrees to 230 degrees Celsius, thereby preventing hardening defects or burning.

As the temperature is continuously controlled, the compound liquid inside the cap shell 11 held at the predetermined position in step S5 is molded in step S7, in which the molding is performed while discharging air around the compound liquid in step S6. do.

As such, temperature is controlled and air is discharged immediately before and during molding, so that wrinkles caused by the air are not generated, thereby enabling precise molding. As a result of precise molding, the sealing property is excellent when the bottle 20 is closed.

The above-described lining forming step may be performed after the molding of the cap shell 11 is completed, but half-curling at the end of the cylindrical side wall portion 16 of the cap shell 11 in a state in which the molding of the curling portion 13 is completed. After carrying out the above, it is preferable that the compound liquid is introduced as described above, the lining 12 is molded, and then complete curling, that is, the final molding of the cap shell 11 is performed in step S8. That is, since only the half curling portion 13c is formed in this manner, the lining 12 is formed, so that the compound liquid is higher than the height of the curling portion 13, as will be described later with reference to FIGS. 6 and 7. It does not flow out beyond the half curling portion 13c, so that the desired compounding liquid can be added to form the desired lining 12 and no debris is formed after molding. As the debris does not remain around the cap shell 11 in this way, it does not stick around the bottle 20 such as a beverage, which is preferable in terms of hygiene.

2b shows a manufacturing process of a conventional Piticap 10 including the preferred lining method of the present invention. First, the metal plate is blanked to a predetermined size, and then the blank is the top plate portion 15 and the cylindrical side wall. The right angle flange 13a is drawn upward to form a vertical flange 13b, and then a half curling portion 13c is formed by a half curling process. In this way, the cap shell 11 having the half curling portion 13c formed thereon is subjected to the above-described method of forming the PTI cap lining according to the present invention.

The cap shell 11 in which the lining 12 is formed in this way is finally curled, so that the curling part 13 is completed, so that the Piticap 10 is manufactured.

FIG. 3 is a plan view showing the configuration of the lining forming apparatus according to an embodiment of the apparatus of the present invention with the upper apparatuses removed according to the flow of the cap, and FIG. 4 is a distribution device E0 to E5 of FIG. One example of the configuration of the Piticap lining forming apparatus of the present invention together with the apparatuses M2, 45, 46, 47 and the molding apparatus 80 is shown as a partial cross-sectional front view.

First, in the embodiment shown in FIG. 3, the cap shell 11 is introduced into the lining forming apparatus of the Piticap according to the present invention along the conveying belt (H0), the conveying station (H1), distribution and flow station (H2) ), After passing through the transfer station H3, the molding station H4, and the transfer station H5, are discharged by the transfer belt H6.

Each station H1, H2, H3, H4, H5 is not limited to the present invention, but the rotary transfer plates 32, 42, 52 rotate through the shafts 31, 41, 51, 61, 71. Cap shell 11 is inserted into a plurality of insertion grooves (33, 43, 53, 63, 73) of the 62, 72 is configured to be transported along the transfer guide 44 on the circumference, each transfer station (H1, H3) H5) is provided so as to provide a space for the mechanical configuration. In other words, the transfer stations H1, H3 and H5 are the stages where only the transfer is made to secure the space. In addition, each rotary feed plate (32, 42, 52, 62, 72) is provided on the base frame 100, as shown in Figure 4, each rotary feed plate (32, 42, 52, 62, 72) The shafts 31, 41, 51, 61, and 71 for rotating are extended into the base frame 100 and rotated through the gears G1, G2, and G3 by the motor M1 for the rotation transfer plate. It is composed.

By such a configuration, the processes for lining may be compactly provided in one base frame 100, thereby manufacturing a large amount of Piticap 10 in a narrow space.

3 and 4, in the transfer stations H1, H3, H5 and the molding station H4, the capshell 11 is attached to the capshell support plate 62a or the base frame 100 as shown in FIGS. 5 to 7. Although preferably supported by the dispensing and flow station H2, the capshell 11 is supported by the rotary pedestal 45 and configured to rotate together in order to perform the radial flow step described above. The rotation support 45 is rotated via the belt 47 and the pulley 46 by the rotation support motor M2 in the base frame 100 in FIG. It is preferable to be configured to adjust the rotation speed. Accordingly, while being inserted into the insertion groove 43 of the rotary transfer plate 42 and conveyed along the transfer guide 44 on the circumference, the cap shells 11 respectively positioned in the insertion grooves 43 are rotated or rotated so that the centrifugal force is rotated. As a result, the compounding liquid is held at a portion other than the center portion of the top plate portion 15 of the cap shell 11 so that the compounding liquid is easily gripped by the molding apparatus 80, and debris of the lining 12 does not occur at the center portion. No.

In the upper portion of the distribution and flow station (H2), the compound liquid is supplied to the distributor (E1) through the high pressure tube (E5), the operating rod (E3) and the operating rod (E3) installed on the upper portion of the distributor (E1) The compound liquid is dispensed into the cap shell 11 at a desired time by the liquid shutoff and supply air cylinder E2 for advancing back and forth. The dispensing apparatuses in this configuration are one of the conventional techniques, and other conventional dispensing apparatuses may be employed without limiting the present invention.

In addition, in accordance with the present invention, a plurality of molding apparatuses 80 are installed in the molding station H4 of FIG. 3, and close to the molding apparatus 80 to maintain the temperature around the cap shell 11 at 215 to 230 degrees Celsius. The temperature sensing means 65 and the heating means 64 are provided. The heating means 64 may be electric or gas, and the heating means 64 may be incorporated directly into the capshell support plate 62a.

5 to 7 illustrate one example of the configuration of the molding apparatus 80 of FIG. 4 and a partial cross-sectional view according to the forming process of the lining to explain its operation and operation, and FIG. 8 to the molding apparatus of FIGS. 5 to 7. A bottom view of 80 is shown.

4 and 5, the molding apparatus 80 is fixed by the cam plate 68 and the spring as it rotates by the upper support guide plate 66 and the elevating rod 81 which rotates together with the rotary transfer plate 62. It is configured to be elevated by 85. That is, the upper support guide plate 66 and the lower support guide plate 67 is rotatably installed together with the rotation transfer plate 62 rotated by the shaft 61 in FIG. 5, and the elevating rod 81 is a molding apparatus ( While being fixed to the support block 86 of 80, the lifting support is configured by the upper support guide plate 66 and the lower support guide plate 67. 4 to 7, the lifting structure of the elevating rod 81 is configured to be made by the fixed cam plate 68 and the spring 85, one end of the spring 85 in Figs. Although the other end is comprised so that it may be supported by the large diameter part 82 of the elevating rod 81, this invention is not restrict | limited to this elevating structure thru | or spring 85 installation structure. Reference numeral " 83 " is provided at the lower end of the elevating rod 81 so as to smoothly roll on the fixed cam plate 68 as a roller.

5 shows a state in which the molding device 80 is raised from the cap shell support plate 62a together with the elevating rod 81 by the fixed cam plate 68, and the cap shell 11 is loaded in this raised state. It can be unloaded.

5 to 7, in the molding apparatus 80, a molding block 96 is fixed to a support block 86 on which a lifting bar 81 is fixed, and the molding block 96 is formed inside the cap shell 11. It has a side wall part 97 and the bottom surface 98 for shape | molding the compound liquid for lining 12 injected into the cylindrical side wall part 16 of the to predetermined shape.

In addition, the molding apparatus 80 protrudes from the inside of the bottom surface 98 of the molding block 96 before the molding block 96 is completely lowered, and grips the central portion of the inner surface of the ceiling plate portion 15 of the cap shell 11. The holding block 90 is installed inside the molding block 96 so as to be lifted and lowered through the spring 95 so as to rise relative to the molding block 96 until it is completely lowered. In the gripping block 90 having such a configuration, as shown in FIGS. 5 to 7 and 8, a plurality of air holes 92 are radially formed in the gripping protrusion 91 for gripping, and the air holes ( An air hole 94 through which 92 passes through the center is formed at the center of the gripping block 90. The air hole 94 at the center portion thereof passes through the air hole 87 of the support block 86 so that the air can be discharged again to the outside.

The air venting means is constituted by the air holes 87, 92 and 94 formed as described above, but the present invention is not limited thereto. That is, in addition to the gripping block 90, air holes may be formed in the molding block 96.

According to the molding apparatus 80 according to the above-described configuration, the air can be discharged during molding of the lining 12, so that the lining 12 can be formed precisely without wrinkles, and thus, the pit cap 10 The sealing property of is excellent.

In addition, after the compound liquid is added, the cap shell 11 is rotated to prevent the compound liquid from flowing into the center portion, so that the molding device 80 is easily gripped when the lining 12 is formed, and further, the lining 12 is formed at the center portion. ), And the lining 12 is formed in the half curling state so that the debris of the lining 12 does not occur further to the curling portion 13 or the outside of the pitcap 10. Such debris does not enter drinks or the like.

In addition, as described above, in forming the lining 12, after the cap shell 11 is introduced along the linear conveyance belt H0, the conveying station of the rotation conveyance structure configured on one base frame 100 ( After passing through H1), the dispensing and flow station H2, the transfer station H3, the molding station H4 and the transfer station H5, it is configured to be discharged by the linear transfer belt H6. Likewise, the processes for lining can be provided compactly in one base frame 100, thereby manufacturing a large number of Piticap 10 in a narrow space.

According to the configuration and operation of the method and apparatus for forming a lining of the Piticap according to the embodiment of the present invention described above, it is possible to easily manufacture the Piticap by forming the lining of the Piticap precisely without wrinkles with a simple configuration Further, it is possible to ensure the sealability of the Piticap, and furthermore, there is an effect such that the debris that can be unsanitary can be prepared without being exposed to the outside of the cap.

Claims (6)

In a method of forming a lining of a Piticap for forming the lining 12 in the capshell 11 after or during the forming of the capshell 11 of the Piticap 10: Compounding liquid for lining 12 is introduced near the cylindrical side wall portion 16 of the cap shell 11, and the temperature around the cap shell 11 is maintained at 215 degrees to 230 degrees Celsius. A method for forming a lining of a pit cap, wherein the compound liquid is molded while discharging air. 2. The compounding liquid according to claim 1, wherein after the compounding liquid is introduced into the capshell 11, the compounding liquid is held around the cylindrical side wall portion 16 except for the center portion of the top plate portion 15 of the capshell 11 before molding. Rotate the cap shell 11 to which the compound liquid is injected to use the centrifugal force to flow the compound liquid radially outward from the center portion of the top plate portion 15, and to form the lining 12 After half-curling at the end of the cylindrical side wall portion 16 of the cap shell 11 so as to prevent the lining 12 from flowing out during molding, the compound liquid is introduced and the lining 12 is molded. Afterwards, complete curling is performed. In the apparatus for forming a lining of a Piticap for forming the lining 12 inside the capshell 11 after or during the forming of the capshell 11 of the Piticap 10: The molding block 96 having the side wall 97 and the bottom surface 98 for forming the compound liquid for the lining 12 introduced into the cylindrical side wall portion 16 in the cap shell 11 into a predetermined shape is formed. The genie includes a molding device 80, and temperature sensing means 65 and heating means 64 are installed near the molding device 80 to maintain the temperature around the cap shell 11 at 215 degrees to 230 degrees Celsius. While the molding block 96 of the molding apparatus 80 for molding the compound liquid descends to the final molding position, the air discharge means 87, 92, 94 for discharging the air around the compound liquid are molded. Apparatus lining forming device of the Piticap, characterized in that it is installed in the device (80). 4. The inner surface of the ceiling plate part 15 of the cap shell 11 according to claim 3, wherein the molding device 80 protrudes from the inside of the bottom surface 98 of the molding block 96 before the molding block 96 is completely lowered. The holding block 90 is installed inside the molding block 96 so as to be able to lift and lower through the spring 95 so that the center portion is gripped and lifted relative to the molding block 96 until it is completely lowered. Molding block 96 is fixed to the support block 86, in this case, the air discharge means (87, 92, 94), the air formed in the support block 86 and the holding block 90 to the outside Pitcap lining forming apparatus, characterized in that consisting of holes (87,92,94). 4. The ceiling plate portion of the cap shell (11) according to claim 3, wherein the compound liquid is introduced into the cap shell (11) before the compound liquid for the lining (12) is introduced into the molding apparatus (80) for molding into a predetermined shape. 15 is inserted into the insertion groove 43 of the rotary transfer plate 42 which rotates via the shaft 41 to apply the centrifugal force so as to be maintained at a portion other than the central portion thereof, and is transported along the transfer guide 44 on the circumference. And a rotary base 45 for supporting a cap shell 11 positioned in each of the insertion grooves 43 and rotating through a pulley 46 and a belt 47, respectively. 4. The cap shell (11) according to claim 3, wherein the cap shell (11) is positioned in each of the insertion grooves (63) while being inserted into the plurality of insertion grooves (63) of the rotary transfer plate (62) rotating through the shaft (61). Lifting device (68, 81) for lifting and lowering a plurality of molding devices (80) between the loading / unloading position and the molding position to form a lining (12) and to load and unload the cap shell (11) , 82, 83, 85 lining forming apparatus of the Piticap, characterized in that is installed.