KR101809093B1 - Automatic packing machine - Google Patents

Abstract

The present invention relates to a three-sided packaging machine comprising: a main body frame (4) capable of holding a roll of a packaging film (P); a table (7) provided on the front side of the main body frame (4); a pair of upright guide bars (10) provided on the rear side of the table (7); a first thermal bonding unit (20) including a pair of alignment rollers (23) and a pair of heating rollers (24); and a second thermal bonding unit (40) including upper and lower heating plates (44, 46). According to the present invention, it is possible to stably and continuously perform a series of automatic processes from the supply of packing paper to the completion of packaging.

Description

{AUTOMATIC PACKING MACHINE}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a three-sided packaging machine, and more particularly, to a three-sided packaging machine in which packaging is smoothly and stably performed in response to changes in the size and height of contents to be packed.

The three-sided wrapping machine is a device for automatically feeding the contents to be wrapped in a continuous wrapping film to be packaged, and generally filling the contents and sealing the opening.

The packaging film is transferred to and supplied from the outer surface of the packaging film in the form of a rectangle, and then the center sealing operation is performed by using the heat compression means. Then, As the widthwise sealing operation is performed, the packing operation for the single article is continuously and automatically performed.

As an example of prior art documents dealing with this technical content, there is a registered domestic utility model No. 10-0405358 entitled " Top and bottom type combined three-side wrapping machine ".

The prior art is constructed so that it can be used both as an upper type and a lower type type, and is implemented so that a packaging film is supplied so that the supplied packaging film can be supplied at an upper portion or a lower portion as necessary based on the contents to be packed .

However, there is an advantage that it is possible to supply the wrapping paper from the upper or lower end in the necessary direction by constituting the upper or lower type, but there are still many insufficient parts in order to smoothly package the wrapped article in the size and height do.

Domestic Registration Utility Model No. 10-0405358 " Top and bottom type three-side wrapping machine &

Accordingly, it is an object of the present invention to provide a three-sided wrapping machine capable of adjusting the size of a wrapping paper to be supplied according to a change in size, height, etc. of contents to be wrapped, .

It is another object of the present invention to provide a three-sided wrapping machine capable of stably and continuously operating a series of automatic processes from the supply of the wrapping paper to the completion of wrapping of the wrapping material.

In order to accomplish the above object, the present invention provides a three-side wrapping machine comprising a body frame (4) capable of mounting a wrapping film (P) roll,

A packaging film P which constitutes a table 7 in front of the main body frame 4 so that the packaging film P continuously fed passes through the upper surface of the table 7 and passes through the upper surface of the table 7, So that the contents to be packed can be placed on the upper part,

An upright guide bar 10, which guides both sides of the packaging film P in the advancing direction perpendicularly to the packaging film P which is moved in a state in which the contents are placed on the table 7, A pair of left and right directions,

A pair of aligning rollers 23 and rear aligning rollers 23 are disposed at the rear of the upright guide bar 10 to move backward in a state in which both side ends of the wrapping film P wrapping the contents are tightly aligned, And a pair of heating rollers (24) sealingly adhering both side ends of the film (P) to each other by thermal fusion bonding. The first heat fusion section (20)

The second heat-sealed portion 40 is provided at the rear of the first heat-sealed portion 20 and includes upper and lower heating plates 44 and 46 for thermally fusing the packaging film P in the width direction with respect to the traveling direction of the packaging film P And the upper and lower heating plates 44 and 46 are configured to be vertically movable so as to be in contact with each other and separated from each other so that the upper and lower heating plates 44 and 46 The cutting edge 44a is engaged with the receiving groove 46a while the receiving groove 46a is formed so that the cutting edge 44a is thermally fused when the upper and lower heating plates 44 and 46 are in contact with each other, So that the rear portion of the contents positioned forward and the front portion of the contents positioned rearward are thermally fused at the same time by one heat fusion and cutting of the upper and lower heating plates 44 and 46, So that it can be completed continuously.

The present invention can change the size of the wrapping paper to be supplied in accordance with the size and height of the contents to be wrapped, and the wrapping paper can be supplied in an optimal state according to the size of the changed wrapping paper, A series of automatic processes from the completion of the packaging to the completion of the packaging can be stably operated continuously.

1A and 1B are perspective views of a three-sided wrapping machine according to an embodiment of the present invention,
Fig. 2 is a front structural view of Fig. 1,
FIGS. 3A and 3B illustrate a process in which both end portions of the wrapping paper are vertically erected by the upright guide bars and both ends are brought into close contact with each other by the aligning rollers of the first heat-
Fig. 4 is a view showing a rear portion of the first fused portion; Fig.
5 is a view showing a driving unit of the first fused portion,
6A and 6B are views for explaining the operation of the second fused portion,
7 is a view showing another embodiment of thermal welding and cutting of the second fused portion;

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

1 to 3, the three-sided wrapping machine 2 according to the embodiment of the present invention is provided with a main frame 4, and a roll holder 5 and a plurality of And the guide roller 6 is engaged.

As shown in FIG. 2, the roll holder 5 is coupled to the body frame 4. The tension holder 9 is formed on the upper portion of the roll holder 5 to be loosened when the wrapping film P is fed Make sure that the proper tension is maintained so that it is not tight. A tension adjusting portion 9 and a friction portion 9a having a tension adjusting bolt and a spring incorporated therein and receiving a lower force. The friction portion 9a may be formed on one side of a roll holder 5 having a shaft- So that the tension can be adjusted by adjusting the strength of the friction applied to the adjustment bolt.

A packaging film P continuously supplied in the form of a table 7 is made to pass over the upper surface of the table 7 in front of the roll holder 5 of the main body frame 4, Make sure that the contents to be packed are placed on top of the packaging film (P). In the present invention, the content may be food, but is not limited to food.

An upright guide bar 10, which guides both sides of the packaging film P in the advancing direction perpendicularly to the packaging film P which is moved in a state in which the contents are placed on the table 7, A pair of left and right sides.

The pair of aligning rollers 23 and the aligning rollers 23 are disposed rearward of the upright guide bar 10 to move back and forth both sides of the wrapping film P wrapped around the contents And a pair of heating rollers (24) for sealingly adhering both end portions of the packaging film (P) in close contact with each other by thermal fusion to constitute a first heat-sealed portion (20).

According to the present invention, the wrapping paper can be supplied in a variety of sizes (width, height, etc.) of the contents, and the wrapping paper can be supplied in a suitable size with a length of the right and left widths.

For this purpose, the upright guide bars 10 constituted by the left and right pairs are configured to be able to slide left and right so that the left and right spacing can be adjusted according to the width of the wrapping paper P, and the first heat- It is possible to adjust the position in the vertical direction so that the packaging can smoothly and stably cope with changes in the size and height of the contents to be wrapped by the operation of the upright guide rail 10 and the first heat- .

3A and 3B, the upright guide bar 10 is configured to be slidable to the left and right by the horizontal guide rods 17 and is screwed to the horizontal ball screw 18 The left and right upright guide rails 10 are engaged with the respective threads of the ball screw 18 so that the ball screws 18 are formed on both sides of the ball screw 18 The left and right upright guide rails 10 are configured to move at the same distance in the opposite direction at the same time by rotation so that precise spacing adjustment can be achieved.

Referring to FIG. 4, the first thermally fused portion 20 includes two vertical guide rods 30 to be vertically moved in a precise manner, and the upper portion of the guide rod 30 The fixed plate body 34 is engaged and fixed.

The moving plate 32 is coupled to the guide rod 30 by a vertically movable plate member 32. The moving plate member 32 is connected to the fixed plate member 34 coupled to the upper end of the guide rod 30, So that the position of the ball screw 36 can be precisely adjusted by the rotation of the ball screw 36. [

The housing 21 of the first heat-sealed portion 20 is fixedly engaged with the moving plate body 32 which can be moved up and down by the rotation of the ball screw.

With this configuration, with respect to the wrapping paper P supplied in various sizes according to the size of the contents, the upright guide rails 10 are vertically erected at both ends of the widthwise adjustment of the width and width of the wrapping paper P, The first thermally fused portion 20 positioned at the first thermally fused portion 20 is moved in accordance with the height of both end portions overlapping the wrapping paper P to be thermally fused first.

In the present invention, both sides of the packaging film P in the advancing direction through the upright guide band 10 are stably and vertically maintained while maintaining a constant vertical shape. In order to achieve this, the upright guide rail 10 is formed with side walls 12, and the side walls 12 are formed with vertically long through-holes 14, and the side walls 14, (12) is provided with a passage (15) whose lower end is opened to communicate with the through hole (14).

With this configuration, both side portions of the packaging film P pass through the inside of the side wall 12 of the upright guide bar 10 and then pass the outside of the side wall 12 after passing through the through hole 14. Then, (20) passes through the aligning roller (23), and the form in which the contents can be stably packed is maintained and progressed.

In forming the upright guide rail 10, the auxiliary wall 19 can be additionally provided in front of the traveling direction, which makes the vertical standing of both ends of the wrapping paper P more stable.

A first motor M1 is coupled and fixed to an upper portion of the housing 21 provided in the first thermally fused portion 20.

5, a pair of aligning rollers 23 and a heating roller 24 are disposed in the housing 21 at predetermined intervals in front of and behind the aligning roller 23, and a driving force is applied to the driving shaft of the first motor M1 Driven sprockets 27-1 and 27-2 having a sprocket 26 and connected to a drive sprocket 26 by a chain 28 are installed to be spaced back and forth.

One side aligning roller 23 and one side heating roller 24 are coupled to the axes of the front and rear driven sprockets 27-1 and 27-2 and the one side aligning roller 23 and the one side heating roller 24, The other side aligning roller 23 and the other side heating roller 24 are coupled to the side of the other side. With this configuration, when the first motor M1 is driven, the pair of alignment rollers 23 and the pair of heating rollers 24 are simultaneously driven at the same speed. The first motor M1 functions to rotate the aligning roller 23 and the heating roller 24 constituting the first fused portion 20 and to move the wrapping paper P backward .

A film aligning roller (38) can be formed behind the heating roller (24) constituting the first heat-sealed portion (20). The film aligning roller 38 is pressed by the heating roller 24 in the direction of one side of the left and right in a state in which both side end portions overlapping each other by the heating roller 24 are thermally fused and erected upright, So that the heat welding and cutting operation in the portion 40 can be smoothly performed.

Next, a second heat-sealed portion 40 having an upper and a lower heating plate 44 (46) for thermally fusing the packaging film P in the width direction with respect to the advancing direction of the packaging film P is provided at the rear of the first heat- .

6A and 6B, the second thermally fused portion 40 is provided with two fixing guides 41 vertically erected on the main frame 4, - The lower heating plates (44) and (46) are configured so as to be vertically movable and in an interviewed state and in a spaced state. At this time, between the upper actuating body 43 and the lower actuating body 45, a pressing force is applied to the upper and lower sides by the elastic spring 48 at all times.

A cutting edge 44a is built in the upper heating plate 44 so that the cutting blade 44a can be protruded downward from the heating plate 44 and the receiving groove 46a is formed in the upper portion of the lower heating plate 44, The upper and lower heating plates 44 and 46 are thermally welded and cut so that the cutting edges 44a are accommodated in the receiving grooves 46a while being cut in the width direction. The rear portion of the contents and the front portion of the contents located at the rear are thermally fused at the same time so that the three-side package per contents unit can be continuously completed.

The operation configuration of the second heat-sealable portion 20 will be described in more detail.

1A and 6A and 6B, a cam shaft 50 (hereinafter referred to as a " cam shaft "), which is driven by a second motor M2 and is coupled with a cam 51, And the lower actuating member 45 is fixed to the upper end of the mandrel 53 while the lower abutment member 45 is engaged with the upper end of the cam 51. The crank 55 is engaged with both ends of the camshaft 50.

The crank 55 is connected to the other end of the crank 55, which is connected to the bar camshaft 50, which is elongated in the longitudinal direction, and the upper actuating member 43 via a connecting rod 57.

With this configuration, when the camshaft 50 is rotated once by driving the second driving motor M2, the lower actuator 45 is moved upward by the cam 51 and returned to the lower position. At the same time, the upper actuating member 43 moves downward and returns to the upper part, and the heat welding and cutting by the interview of the upper and lower heating plates 44 and 46 are stably performed.

6A, while the both ends of the left side of the wrapping paper P are thermally fused and moved backward by the first fused portion 20, The control unit 8 waits for a state shown in (a) of Fig. 6 (a), and the second drive motor M receives one rotation command by the control signal of the control unit 8, and the camshaft 50 makes one rotation.

Accordingly, the connecting rod eccentrically connected to the other side of the crank 55 coupled to both ends of the camshaft 50 moves in the order of ① → ② → ③. At this time, the upper actuating body 43 is moved to the lowermost position and the lower actuating body 45 is moved to the uppermost position by the cam 51 to perform thermal welding and cutting.

3, on the side of the packaging film P, a sensor detection mark Pa is formed at a predetermined interval in the longitudinal direction and a progress detection sensor S1 for detecting the mark Pa is constructed When the mark Pa is detected by the progress sensor S1 after the packaging film P is advanced, the control unit 8 stops the driving of the first motor M1 to stop the progress of the packaging film P At the same time, the second motor M2 is commanded to rotate for one rotation so that the packaging film P is thermally fused and cut in the width direction.

The rotation detecting sensor S2 is formed on one crank 55 of the both crankshaft and the second motor M2 is driven by the control unit 8 when one rotation is completed (thermal fusion and cutting is completed) The driving of the first motor M1 is started and the packaging film P is further advanced so that the continuous packaging is automatically performed.

As described above, the three-sided wrapping machine 2 according to the embodiment of the present invention can change the size of the wrapping paper supplied in accordance with the size and height of the contents to be wrapped, The packaging can be smoothly performed, and a series of automatic processes from the supply of the wrapping paper to the completion of the packaging can be stably and continuously operated.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. Therefore, the scope of the present invention should not be limited by the described embodiments, but should be determined by the scope of claims and equivalents thereof.

(2) - 3-sided wrapping machine (4) - Body frame
(5) - Roll holder (6) - Guide rollers
(7) -table (8) -controller
(9) - tension adjusting portion (9a) - friction portion
(10) - upright guide (12) - side wall
(14) - through hole (15) - passage
(17) - Horizontal guide rod (18) - Horizontal ball screw
(20) -first thermal fusion portion (21) -housing
(23) - alignment roller (24) - heating roller
(26) - Drive sprocket (27-1) (27-2) - Passive sprocket
(28) - chain (29) - auxiliary sprocket
(30) -vertical guide rod (32) -moving plate
(34) - Fixing plate (36) - Vertical ball screw
(40) - second heat-sealed portion (41) - vertical fixing guide
(43) - upper actuating member (44) - upper heating plate
(44a) - cutting edge
(45) - Lower actuator (46) - Lower heating plate
(46a) - receiving groove
(48) - Elastic spring (50) - Camshaft
(51) - Cam (53) - Mandrel
(55) - crank (57) - connecting rod
(M1) (M2) - Motor (S1) (S2) - Sensor

Claims (8)

And a body frame (4) capable of placing a packaging film (P) roll,
A packaging film P which constitutes a table 7 in front of the main body frame 4 so that the packaging film P continuously fed passes through the upper surface of the table 7 and passes through the upper surface of the table 7, So that the contents to be packed can be placed on the upper part,
An upright guide bar 10, which guides both sides of the packaging film P in the advancing direction perpendicularly to the packaging film P which is moved in a state in which the contents are placed on the table 7, A pair of left and right directions,
A pair of aligning rollers 23 and a pair of aligning rollers 23 for moving rearwardly in a state in which both side ends of the packaging film P wrapping the contents are driven by the first motor M1, And a pair of heating rollers (24) positioned behind the rollers (23) for sealingly adhering the closely packed end portions of the packaging film (P) by thermal fusion bonding,
A second thermally fused portion (40) is provided at the rear of the first thermally fused portion (20) for thermally fusing the packaging film (P) in the transverse direction of the packaging film (P)
The second thermally fused portion 40 is fixedly coupled to the left and right sides of the fixing guide 41 perpendicular to the main frame 4 and the upper heating member 44 And the lower actuating member 45 is coupled to the lower actuating member 45 and the lower actuating member 45. The lower actuating member 45 is movable vertically so that the upper actuating member 43 and the lower actuating member 46 can be in contact with each other, (48) to apply a pushing force upward and downward to each other,
A cam shaft 50 coupled to the cam 51 is driven by the second motor M2 at the lower portion of the vertical fixing guide 41 and the cam shaft 51 is fitted over the cam shaft 51 A lower actuator 45 is fixedly connected to the upper end of the mandrel 53. A crank 55 is coupled to both ends of the camshaft 50 and a connecting rod 57 is coupled between the crank 55 and the upper actuating member 43. [ The lower actuating member 45 is moved upward by the cam 51 and returned to the lower portion by the single rotation of the camshaft 50. At the same time, the upper actuating member 43 is moved downward by the cam 51, So that the upper and lower heating plates 44 and 46 are brought into contact with each other,
The cutting blade 44a is coupled to one of the upper and lower heating plates 44 and 46 and the receiving groove 46a is formed in the other of the upper and lower heating plates 44 and 46 to cut the upper and lower heating plates 44 and 46, The blade 44a is received in the receiving groove 46a and cut in the width direction of the wrapping film P so that the upper and lower heating plates 44 and 46 are rotated by one rotation of the camshaft 50 The rear portion of the contents positioned forward and the front portion of the contents positioned rearward are thermally fused at the same time by one heat fusion welding and cutting by the interview,
The progressive detection sensor S1 for detecting the mark Pa is provided on the side of the packaging film P to mark the sensor mark Pa at predetermined intervals in the longitudinal direction so that the packaging film P advances When the mark Pa is detected by the progress detection sensor S1, the control unit 8 stops the driving of the first motor M1 to stop the progress of the packaging film P, One rotation driving is commanded so as to perform thermal fusion bonding and cutting of the packaging film P in the width direction,
The rotation detecting sensor S2 is constituted by the one crank 55 and the second motor M2 is driven by the control unit 8 upon completion of one rotation (completion of thermal fusion and cutting) by driving the second motor M2 The driving of the first motor M1 is started and the packaging film P is further advanced so that the three-sided packaging is automatically carried out continuously.
The method according to claim 1,
The first thermally fused portion 20 includes a housing 21 and a pair of alignment rollers 23 and a heating roller 24 are disposed at predetermined intervals in the front and rear of the housing 21, 1 driven sprockets 27-1 and 27-2 which are connected to a drive sprocket 26 by a chain 28 and which have a drive sprocket 26 coupled to a drive shaft of the motor M1,
One side aligning roller 23 and one side heating roller 24 are coupled to the axes of the front and rear driven sprockets 27-1 and 27-2 and the one side aligning roller 23 and the one side heating roller 24 The other side aligning roller 23 and the other side heating roller 24 are coupled to the side portions so that the pair of aligning rollers 23 and the pair of heating rollers 24 are simultaneously driven by the first motor M1 And a second side of the third side of the third side of the third side.
The method according to claim 1,
The left and right pair of upright guide rails 10 are configured to be able to slide left and right to adjust the left and right spacing, and the first fused portion 20 is adjustable in the vertical direction,
It is possible to apply and supply a packaging film of various sizes (width, height) by the cooperation of the upright guide bar 10 and the first heat-sealed part 20 to change the size and height of the contents to be packed And the packaging is smoothly and stably carried out in accordance therewith.
The method of claim 3,
The upright guide rail 10 is configured to be slidable in the left and right directions by the horizontal guide rods 17 and is screwed to the horizontal ball screw 18 so that the ball screws 18 are opposed to each other The left and right upright guide rails 10 are engaged with the respective threads so that the left and right upright guide rails 10 are simultaneously moved in the opposite direction So that the distance can be precisely adjusted,
The first heat-sealed portion 20 includes a movable plate body 32 coupled to the vertical guide bar 30 so as to be movable up and down in a precise manner. The movable plate body 32 is movable up and down. Is connected to a fixed plate body (34) coupled to the upper end of the ball screw (30) and is screwed to a vertical ball screw (36) rotatably engaged to be able to precisely adjust the vertical position by rotating the ball screw (36) , And the housing (21) of the first heat-sealed portion (20) is fixedly coupled to the moving plate body (32).
The method according to claim 1,
The upright guide rails 10 constitute the side walls 12 so that both sides of the packaging film P are vertically erected in the advancing direction and the through holes 14 are formed in the side walls 12, The side wall 12 positioned in the backward direction of the traveling direction is formed with a passage 15 that is opened at the lower end and communicated with the through hole 14 so that the packaging film P is maintained in a form so as to stably package the contents Thereby enabling the user to proceed with the operation of the three-sided wrapping machine.
The method according to claim 1,
A film aligning roller 38 is provided behind the heating roller 24 constituting the first heat-sealed portion 20 and both end portions of the wrapping paper P overlapping by the heat roller 24 are thermally fused and erected upright So that the heat welding and cutting operation in the second thermally fused portion (40) can be smoothly performed.
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