KR20170001697A - An Apparatus for Tightening a Cap of Container Automatically - Google Patents

Abstract

The present invention relates to a container lid automatic tightening device, and more particularly, to a container lid automatic tightening device for sealing a lid by engaging a lid with a container by means of a rotating unit having at least one engaging tooth. The container lid automatic tightening device comprises: a component fixing unit (16) capable of moving up and down; At least one tightening unit (12a, 12b) coupled to a rotating shaft rotated by a motor (122) fixed to the component fixing unit (16); And a stationary pressure roller (14) located in the same plane as the tightening units (12a, 12b) and arranged in contact with the lid together with the tightening units (12a, 12b), the at least one tightening unit (12a, 12b) A fixed tooth is formed at a constant pitch along the circumferential surface.

Description

[0001] The present invention relates to an apparatus for automatically tightening a container,

The present invention relates to a container lid automatic tightening device, and more particularly, to a container lid automatic tightening device for sealing a lid by engaging a lid with a container by means of a rotating unit having at least one engaging tooth.

Containers containing various contents have been used in the field, and liquid or powder-form contents such as detergents, beverages, cosmetic solutions or detergents can be stored in a container while being accommodated in a container or bottle and used in a certain amount. The container can be sealed and closed by a lid or a cap, and the contents are sealed while the lid is coupled to the container in the manufacturing process. And the process of sealing the container with the lid can be done automatically or manually.

Prior Art No. 10-2001-0008784 corresponding to the prior art relating to coupling a lid to a container has a structure in which a gear is rotated by a motor and two driven gears are engaged with the gear to rotate together, To which the wheel for fastening the stopper is coupled, respectively. In the prior art, a container is horizontally conveyed by a conveyor, and guide rails supported on both sides of the conveyor by support and connection shafts are installed in the longitudinal direction, and a cylinder for gripping the container is provided at the bottom of the wheel And a position center for driving the cylinder is installed at a position spaced apart from the cylinder by a predetermined distance and recognizing that the container is reached at a position just before the cylinder, And an idle wheel driven by the driving device is installed on the worktable on which the motor and the wheel are installed so as to be able to rotate by contacting the stopper when the wheel is rotated.

Patent Publication No. 10-2002-0063119 discloses a device for attaching a cylindrical cap having an opening at one end to a peripheral edge of a container main body with a flange having a flange at an opening edge thereof. When sealing, the flange is pushed against the edge of the main outlet, And an anvil and a sealing member to be fitted to each other. The prior art is intermittently driven by drive means which cause one or more anvils to protrude radially onto the rotation axis and the rotation axis causes the anvil to stop in the same number of sealing positions as the number of anvils, Wherein the sealing member is arranged so that the sealing member faces the fitting surface of the anvil stopped in the sealing posture.

Patent Publication No. 10-2006-0013472 discloses a cap capping apparatus for closing the cap by placing the contents filled in the container in a vacuum state. A container holder for holding the container on a table formed at a predetermined height; A cap adsorption table provided above the container holder and adapted to adsorb and fix a cap; A cap adsorption stand ascending / descending device for ascending and descending the cap adsorption table so as to press the cap fixed to the cap adsorption table in the direction of the container; A vacuum chamber provided so as to be able to move up and down on the table and to cover and seal the container holder, the plug absorbing table and the plug absorbing table lifting apparatus; A chamber raising / lowering device installed on the table and raising / lowering the vacuum chamber; And a vacuum pressure forming device connected to the vacuum chamber and forming a vacuum inside the vacuum chamber when the vacuum chamber is lowered.

The tightening device disclosed in the prior art has a disadvantage that the lid can be damaged, for example, slipping may occur in the tightening process, and it is difficult to apply when the lid is tightened in the lateral direction. Therefore, there is a need for a fastening device which can be tightened in a predetermined manner by being rotated by a predetermined angle of rotation of the lid and applied to various types of containers or lids. The prior art does not disclose such tightening devices.

The present invention has been made to solve the problems of the prior art and has the following purpose.

Prior Art 1: Patent Publication No. 10-2001-0008784 (published by Korea Criter Co., Ltd., February 05, 2001) Prior Art 2: Patent Publication No. 10-2002-0063119 (Shikoku Kakoki Co., Ltd., published on Aug. 01, 2002) Prior Art 3: Patent Publication No. 10-2006-0013472 (Advanced automatic machine, published on Feb. 10, 2006) Capping device of container cap

SUMMARY OF THE INVENTION It is an object of the present invention to provide an apparatus for automatically tightening a container lid which can be applied to various types of containers but does not cause slippage during the tightening process.

According to a preferred embodiment of the present invention, the container lid automatic tightening device comprises: a component fixing unit capable of being moved up and down; At least one tightening unit coupled to a rotary shaft rotated by a motor fixed to the component fixing unit; And a stationary pressure roller which is located in the same plane as the tightening unit and which is disposed so as to be in contact with the lid together with the tightening unit, and fixed teeth are formed at a constant pitch along the circumferential surface of the at least one tightening unit.

According to another preferred embodiment of the present invention, the tightening units are paired, and each of the rotation angles of the tightening units is adjusted by a motor.

According to another preferred embodiment of the present invention, the fixed pressure roller is reciprocated by the cylinder unit.

The automatic fastening apparatus according to the present invention can be applied to various types of containers by tightening at the side of the container or the lid. Further, in the automatic fastening apparatus according to the present invention, the lid is tightened by the rotation unit in which the fixed teeth are formed, thereby preventing slippage in the tightening process. In addition, the automatic fastening apparatus according to the present invention allows the lid to be stably fixed in the tightening process by the pressure roller.

Figs. 1A and 1B show a front view, a plan view, and a side view, respectively, of an embodiment of the tightening device according to the present invention.
Fig. 2 shows another embodiment of the tightening device according to the present invention.
Fig. 3 shows an embodiment of a process in which the lid closes the container in the tightening device of Fig. 2;
4 shows the geometry of the tightening structure applied to the fastening device according to the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the accompanying drawings, but the present invention is not limited thereto. In the following description, components having the same reference numerals in different drawings have similar functions, so that they will not be described repeatedly unless necessary for an understanding of the invention, and the known components will be briefly described or omitted. However, It should not be understood as being excluded from the embodiment of Fig.

Figs. 1A and 1B show a front view, a plan view, and a side view, respectively, of an embodiment of the tightening device according to the present invention.

Referring to FIG. 1, an apparatus for tightening a lid, which is coupled to a container for sealing, includes a vertically movable part fixing unit 16; At least one tightening unit (12a, 12b) coupled to a rotating shaft rotated by a motor (122) fixed to the component fixing unit (16); And a stationary pressure roller (14) located in the same plane as the tightening units (12a, 12b) and arranged in contact with the lid together with the tightening units (12a, 12b), the at least one tightening unit (12a, 12b) A fixed tooth is formed at a constant pitch along the circumferential surface.

The tightening device according to the present invention can be applied to various types of lids for container sealing, and can be applied to containers for storing and storing beverages, cosmetics, cleaning agents or the like. The lid may be in the form of a hollow cylinder or may be shaped like a spray, but is not limited thereto. The fastening device according to the present invention can be applied to any container lid which is locked or released by rotation.

The component fixing unit 16 may be in the form of a flat plate and may be arranged to be movable up and down by the moving shaft MS and a device for fastening the lid to the component fixing unit 16 may be fixed .

The component fixing unit 16 can be fixed so as to be movable up and down by a plurality of fixing members 11a, 11b, and 11c. The fixing members 11a, 11b, and 11c may be, for example, three, and may have a rod shape having a circular cross section and extending vertically. The three fixing members 11a, 11b and 11c may be fixed to one side of the base B supported by the caster CA so as to extend in the vertical direction. Each of the fixing members 11a, 11b, and 11c can be fixed at one end to the base B, for example, by the fixing brackets 111 and 112. The fixing members 11a, 11b and 11c can be arranged so as to penetrate through the component fixing unit 16. For example, through holes for arranging the fixing members 11a, 11b and 11c in the component fixing unit 16 . The bushing 165 may be disposed in the through hole and the fixing members 11a, 11b, and 11c may be disposed to pass through the bushing 165. [ And a moving shaft MS may be disposed so as to pass through the component fixing unit 16. [ The movable shaft MS may be arranged to pass through a rotary fastening unit fixed to the component fixing unit 16. [ And, the movable shaft MS and the rotary engaging unit can be rotatably engaged with each other, and the component fixing unit 16 can be moved up and down by the rotation of the movable shaft MS. For example, the moving shaft MS and the pivoting unit may be coupled to each other by a bolt and nut structure, and the moving shaft MS may have a bolt structure that is moved by rotation. And the component fixing unit 16 can be moved to an appropriate position where the lid of the tightening unit 12a, 12b can be tightened.

The tightening units 12a, 12b can be, for example, in the form of a rotary plate having a gear shape and an appropriate thickness. Fixed teeth can be formed at uniform pitches along the circumferential surfaces of the tightening units 12a, 12b, and for example, the fixed teeth can have a shape similar to gear teeth. Unlike gear teeth, it is not necessary to have a pitch that engages the mountain and the goal formed on the circumference of the lid. When the circumferential surface of the lid has a flat shape, it may have a structure in which sliding is prevented while applying a small pressure in a direction perpendicular to the circumferential surface to be contacted.

The tightening units 12a, 12b may be one or more, for example two, arranged opposite one another with respect to the lid. The tightening units 12a and 12b may be disposed in an adjustment unit 121 extending downward of the component fixing unit 16 and the adjustment unit 121 may be disposed on the upper side of the component fixing unit 16, ). The adjustment unit 121 can be arranged to be adjustable in position on the rotation axis of the motor 122 and the adjustment unit 121 can be fixed in a predetermined position on the rotation axis of the motor 122 by the fixing tab 123 have.

The tightening units 12a and 12b and the stationary pressure roller 14 can be arranged in the same plane as the tightening units 12a and 12b, A plane can be formed. The fixed pressure roller 14 can be positioned opposite the at least one tightening unit 12a, 12b with respect to the lid, and a height adjustment unit 141, at least a portion of which extends downwardly of the component fixing unit 16, As shown in FIG. The height adjusting unit 141 may be disposed to be adjustable in height with respect to the component fixing unit 16 and the fixed pressing roller 14 may be disposed to be adjustable in height with respect to the height adjusting unit 141. The height adjusting unit 141 may be a cylinder-shaped shaft, and may be arranged to be movable along the horizontal direction of the component fixing unit 16. [ Thus, the interval between the fixed pressure roller 14 and the tightening unit 12a, 12b can be adjusted. The stationary pressure roller 14 may be made of a rigid material and optionally a stretch coating on the circumferential surface that contacts the lid. For example, a synthetic resin having a high coefficient of friction, to a thickness of 10 to 1000 mu m. For example, a synthetic resin such as polystyrene or polyurethane. Or alternatively may be coated with a material such as rubber or silicone.

The motor 122 may be any motor known in the art including, but not limited to, an angle adjustable stepper motor or a servo motor, and the rotation of the motor 122 may cause the tightening units 12a, 12b can be rotated at a predetermined angle. And can be fixed to the position where the cap is fixed by the fixed pressure roller 14. [

The upper ends of the fixing members 11a, 11b and 11c may be fixed to the fixing plate FP and the moving shaft MS may be fixed to the fixing plate FP. An instruction unit 172 for determining the level of movement of the movable shaft MS in accordance with the rotation of the adjustment handle 171 and an adjustment handle 171 for rotating the movable shaft MS in the upper part of the movable shaft MS, A positioning unit including a clamp 173 for fixing the movable shaft MS to the fixed plate FP may be disposed. And the lower portion of the moving shaft MS may be formed to penetrate the component fixing unit 16. [ The component fixing unit 16 can be moved up and down in accordance with the operation of the adjustment handle 171 so that the tightening units 12a and 12b and the fixing pressure roller 14 can be moved up and down, Can be moved to a predetermined position. The adjustment handle 171 may be rotated manually or by a drive device such as a motor. When the component fixing unit 16 is moved to a predetermined position, the interval between the tightening units 12a, 12b and the fixed pressure roller 14 can be adjusted. The fixed pressure roller 14 can be moved by the cylinder block SB and can be moved together with the at least one tightening unit 12a, 12b. For example, one of the tightening units 12a may be fixed at a predetermined position, and the other tightening unit 12b may be moved together with the pressure fixing roller 14 by operation of the cylinder block. A guiding block having an elongated hole guiding guide 145 for guiding the horizontal movement of the height adjusting unit 141 having an optional shaft shape may be disposed on the upper surface of the component fixing unit 16. [ Various operating structures for guiding the movement of the fixed pressure roller 14 can be connected to the tightening device according to the present invention and the present invention is not limited to the embodiments shown.

Fig. 2 shows another embodiment of the tightening device according to the present invention.

2, three fixing members 11a, 11b and 11c can be fixed by the base B and the fixing plate FP and the movable shaft MS is fixed to the component fixing unit 16 And can be coupled to the pivoting unit in a bolt and nut configuration. The component fixing unit 16 can be moved up and down along the fixing members 11a, 11b, and 11c and the moving shaft MS by the operation of the adjusting handle 171. [

The motor 122 may be disposed above the component fixing unit 16 and the cylindrical adjustment unit 121 may be disposed on the motor shaft extending perpendicularly to the component fixing unit 16. [ The adjustment unit 121 may be disposed below the component fixing unit 16 and may extend perpendicularly to the component fixing unit 16. [ And the tightening unit 12a having a circular gear shape may be disposed in the adjustment unit 121. [ The fixed pressure roller 14 can be disposed at a certain distance from the tightening 12a and the fixed pressure roller 14 can be coupled to the lower portion of the position adjusting unit 141 extending downward from the component fixing unit 16. [ have. The upper portion of the position adjusting unit 141 may be fixed to the moving block MB and the moving block MB may be coupled to the component fixing unit 16 to be movable by the cylinder unit 161. [ The cylinder unit 161 may be an apparatus such as a pneumatic cylinder or a hydraulic cylinder and the height adjusting unit 141 is moved by the movement of the moving block MB by the cylinder unit 161 to the component fixing unit 16 As shown in FIG. So that the fixed pressure roller 14 can be moved in the direction of the tightening unit 12a or in the direction away from the tightening unit 12a.

The container R can be moved by a moving means such as a conveyor or manually and the lid of the container can be previously fixed between the tightening unit 12a and the fixed pressure roller 14. [ Then, with the container fixed, the tightening unit 12a can be rotated by the motor 122 at a predetermined angle so that the cover can be coupled to the container R. [

The movement of the container R and the lid can be done according to methods known in the art, and the container R and the lid can each be moved by a conveying means, for example a conveyor. And the upward and downward movement of the container R in the tightening process can be induced by the separating wall formed on the conveying conveyor. Alternatively, the fixed teeth may be formed in a threaded shape so that the lid is rotated and moved downward, or the motor shaft or the adjustment unit 121 may be rotated and moved downward. Various conveying means or up-and-down moving means can be applied to the tightening apparatus according to the present invention and the present invention is not limited by the conveying means of the container R or the lid or the up-and-down moving structure.

Fig. 3 shows an embodiment of a process in which the lid closes the container in the tightening device of Fig. 2;

3, the plate-like balance block 167 is coupled to the piston of the cylinder unit 161, and the moving block MB is connected to the balance block 167 by the operation of the cylinder unit 161, (Not shown). And one motor 122a and a height adjusting unit 141 may be fixed to the moving block MB. And the box-like moving block MB can be movably arranged on the upper surface of the component fixing unit 16. [ Specifically, a pair of elongated guide guides having the elongated shape described above can be formed in the component fixing unit 16, and a regulating unit and a height regulating unit 141 coupled to the motor 122a can be guided along respective guide guides The other motor 122b may be moved in the direction in which it is installed or in the opposite direction. And the other motor 12b can be fixed to the motor fixing block MF. One of the tightening units 12a and the fixed pressing roller 14 can be moved in the direction of another tightening unit 12b in accordance with the movement of the moving block MB so that the cover of the container is moved in the direction of the two tightening units 12a, 12b and the stationary pressure roller 14, respectively. The lid can be preliminarily joined without being tightened to the container R and the lid can be fixed in a state in which the container R is engaged in this state. Then, the lid is fastened to the container R by the rotation of the tightening units 12a, 12b, so that the container R can be sealed by the lid. When the tightening is completed, one tightening unit 12a and the stationary pressing roller 14 can be moved in a direction away from the other tightening unit 12b by the operation of the cylinder unit 161. [ And the container R to which the cover is loosely coupled can be moved between the tightening units 12a and 12b and then fixed by the tightening units 12a and 12b and the fixing pressure roller 14. [ Then, the cover R is rotated by the operation of the motors 122a and 122b, so that the container R can be sealed.

The motor 122a and the height adjusting unit 141 can be moved relative to the fixed unit 16 by various moving structures and the present invention is not limited to the embodiments shown.

4 shows the geometry of the tightening structure applied to the fastening device according to the present invention.

Referring to Fig. 4, the first tightening unit 12a, the second tightening unit 12b, and the stationary pressing roller 14 may be arranged in a triangular shape. The first tightening unit 12a and the fixed pressure roller 14 are fixed to the moving block MB and can be moved along the guide guide 145 and the adjusting guide 127 according to the operation of the cylinder unit. As described above, the guide guide 145 and the adjustment guide 127 can be formed in the component fixing unit. In the above structure, a straight line connecting the centers C1 and C2 of the first tightening unit 12a and the stationary pressing roller 14 is located on a straight line parallel to the moving direction. The center C3 of the second tightening unit 12b is located on the front side with respect to the moving direction M2 with respect to the vertical bisector of the centers C1 and C2 of the first tightening unit 12a and the fixed pressing roller 14 As shown in FIG. In this arrangement, when the lid is moved along the moving direction M2, the lid is stably fixed while being moved in the vertical direction M1 of the moving block MB.

The number of the tightening units 12a and 12b or the fixed pressure roller 14 is not particularly limited and the structure of the moving block MB or the structure of the second pressing roller 14 may be changed depending on the number of the tightening units 12a and 12b or the fixed pressure roller 14. [ The structure of the fixing block to which the tightening unit 12b is fixed can be appropriately selected.

Various arrangements can be applied to the fastening apparatus according to the present invention and the present invention is not limited to the embodiments shown.

The fastening teeth T1 and T2 can be formed along the peripheral surface of the first and second fastening units 12a and 12b and the fastening teeth T1 and T2 can be moved in the direction of movement May extend in a direction inclined or perpendicular to the second direction M2. Specifically, as shown in FIG. 4 (B), the fastening teeth T1 and T2 may be in a shape in which the contact surfaces are inclined or vertical, and in order to prevent damage to the lid, Lt; / RTI >

The fastening teeth T1 and T2 of various shapes can be applied to the fastening device according to the present invention, and the present invention is not limited to the embodiments shown.

The automatic fastening apparatus according to the present invention can be applied to various types of containers by tightening at the side of the container or the lid. Further, in the automatic fastening apparatus according to the present invention, the lid is tightened by the rotation unit in which the fixed teeth are formed, thereby preventing slippage in the tightening process. In addition, the automatic fastening apparatus according to the present invention allows the lid to be stably fixed in the tightening process by the pressure roller.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention . The invention is not limited by these variations and modifications, but is limited only by the claims appended hereto.

11a, 11b, 11c: fixing member 12a, 12b: tightening unit
14: Fixed pressure roller 16: Component fixing unit
111, 112, 113: fixing bracket 121: regulating unit
12a: first tightening unit 12b: second tightening unit
122: motor 123: locking tab
127: adjusting guide 141: height adjusting unit
145: induction guide 161: cylinder unit
165: bushing 167: balance block
171: Adjustment handle 172: Indication unit
173: Clamp B: Base
C1, C2, C3: Center CA: Caster
FP: fixed plate MB: moving block
MF: Motor fixing block MS: Moving shaft
R: Container SB: Cylinder block
T: Fastening teeth

Claims (2)

A tightening device for a lid to be coupled to a container for sealing,
A component fixing unit 16 which can move up and down;
First and second tightening units (12a, 12b) coupled to a rotating shaft rotated by a motor (122) fixed to the component fixing unit (16); And
The first and second tightening units 12a and 12b are disposed on the same plane as the first and second tightening units 12a and 12b so as to be in contact with the lid. , And a fixed pressure roller (14)
A fixed tooth is formed at a constant pitch along the circumferential surface of the first tightening unit 12a or the second tightening unit 12b and the circumferential surface contacting the lid of the fixed pressure roller 14 is made of synthetic resin, The container lid automatic tightening device characterized in that it is a stretch coating material. The apparatus of claim 1, wherein the fixed pressure roller (14) is adjustable in height with respect to the component fixing unit (16) by a height adjustment unit (141).

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