KR102608403B1 - Apparatus for punching film for packing machine - Google Patents

Abstract

The present invention relates to a punching device for a packaging machine that forms a hanging hole by punching the sealed packaging material after a film is supplied to the packaging machine. The packaging material is placed between the upper and lower rotating parts, which are rotatably installed by a driving unit at the upper and lower parts of the film progress path. As it passes, the hanging hole is punched, and the upper rotating part is an upper rotating shaft, which is made of a rectangular shape and is connected to the upper rotating shaft, an upper mounting groove is formed in the longitudinal direction, and an upper holder is formed with one or more tap holes on one side. A punch bar that is detachably fastened to the upper mounting groove and has a plurality of punch grooves formed thereon, and has a tap hole formed on one side, and a punch groove that is detachably fastened to the fixing means fastened to the tap hole of the punch bar. It includes a punch that is protruding and fastened to form a hanging hole by punching the packaging material, wherein the lower rotating part is made of a lower rotating shaft and is rectangular and connected to the lower rotating shaft, and a lower mounting groove is formed in the longitudinal direction, and one side is provided. A packaging equipped with a detachable lift-adjustable and symmetrical punch bar including a lower holder with one or more tap holes and a support bar that is fixed to the lower mounting groove by a fixing means fastened to the tap hole of the lower holder and supports the punch that is in contact when rotating. A punching device is provided for forming a hanging hole for a device.

Description

Punching device for forming hanging holes for packaging machines equipped with detachable lifting control and symmetrical forming punch bar {APPARATUS FOR PUNCHING FILM FOR PACKING MACHINE}

The present invention relates to a punching device for a packaging machine, and more specifically, to a punching device for a packaging machine that forms a hanging hole by punching a sealed packaging material to package a product using a synthetic resin film.

In general, products such as instant food, various foods, medicines, masks, and various household necessities are provided in film packaging for convenient use by consumers.

Packaging materials for packaging such products mainly use synthetic resin films and are manufactured in various shapes such as rectangular, square, and stick shapes depending on the type or shape of the product contents, and are equipped with a means to close the opening to prevent leakage of the contents. As such, heat is applied to a predetermined part to seal it, a hanging hole for hanging the product is drilled into the packaging material, and individual packaging is completed through the formation and cutting process of a notch for breaking.

As a related prior art, Patent Document 1 includes a punch that is raised and lowered by a driving unit, a pressurizing frame provided at the end of the punch and in contact with the plate-shaped dumpling skin base material, and a dumpling skin that corresponds to the pressing frame and is cut into a circle by the pressing frame so that the dumpling skin is discharged. A punching device including a die plate having a hole and a separation auxiliary oil supply unit for supplying separation auxiliary oil to the press mold to prevent the dumpling skin cut from the press mold from being separated has been disclosed.

However, prior technologies, including the above-mentioned Patent Document 1, adopt a cam drive or cylinder drive method in which the external force that elevates the punch is used, so transport of the packaging material must be temporarily stopped during punching, which is inefficient and reduces productivity, and the punch is not connected to the device. Since it is integrally coupled to the punch, if the punch wears out or a malfunction occurs, the entire device must be replaced, which consumes a lot of cost. It is difficult to control the lift and lowering of the punch depending on the product type or film, which reduces punching accuracy and reliability. There is an inconvenient problem as the packaging material residue may be separated and disposed of separately or may adhere to the packaging material.

Republic of Korea Patent Publication No. 10-1950150 (published on February 19, 2019)

The present invention was developed to solve all of the above-mentioned problems. The punch is installed in a detachable manner so that only worn or broken punches can be easily replaced, maintenance and repair costs are reduced, and punching is performed using a rotation method, so that packaging materials are removed during punching. Continuous punching is possible without stopping the feed, resulting in efficient punching and increased productivity. Punching accuracy and reliability are increased by finely adjusting the punch to suit the type of product or film. Since water is not separated from the packaging material, the purpose is to provide a punching device for a packaging machine that allows the packaging material to be hung in a hanging groove, but does not allow the separated residue to adhere to the packaging material or require a separate discharge treatment process for the residue.

In order to solve the above problem, the present invention is a punching device for a packaging machine that forms a hanging hole by punching the sealed packaging material in which a film is supplied to the packaging machine. As the packaging material passes between the rotating part and the lower rotating part, a hanging hole is punched, and the upper rotating part is formed in a rectangular shape and connected to the upper rotating axis, and an upper mounting groove is formed in the longitudinal direction, and one or more tap holes are formed on one side. An upper holder, a punch bar detachably fixed to the upper mounting groove by a fixing means fastened to the tab hole of the upper holder, a plurality of punch grooves formed, and a tap hole formed on one side, and a fixing means fastened to the tap hole of the punch bar. It includes a punch that is detachably protruding from the punch groove and fastened to form a hanging hole by punching the packaging material, wherein the lower rotating part is made of a lower rotating shaft, is rectangular, is connected to the lower rotating shaft, and has a lower mounting groove in the longitudinal direction. It is formed with a lower holder having one or more tap holes on one side, and a support bar that is fixed to the lower mounting groove by a fixing means fastened to the tap hole of the lower holder and supports the punch that contacts when rotating. A punching device for forming a hanging hole for a packaging machine equipped with a forming punch bar is provided.

In the present invention, the punch is installed detachably so that only worn or broken punches can be easily replaced, maintenance and repair costs are reduced, and punching is performed using a rotation method, enabling continuous punching without stopping the transport of the packaging material during punching, thereby enabling efficient punching. This increases productivity and increases punching accuracy and reliability by finely adjusting the punch to suit the type of product or film, and "C" shaped punching ensures that the punched residue does not separate from the packaging material, allowing packaging materials to be placed in the hanging groove. It is hangable and has the effect of eliminating the need for separated residues to adhere to packaging materials or a separate discharge treatment process for the residues.

Figure 1a is a plan view of the packaging machine according to the present invention, and Figure 1b is a side view of the packaging machine according to the present invention.
Figure 2 is a front view of a punching device for a packaging machine according to the present invention.
3A and 3B are photographs of a punching device for a packaging machine according to the present invention.
Figure 4a is a view showing the upper holder of the upper rotating part according to the present invention, Figure 4b is a front view of the punch bar, Figure 4c is a side cross-sectional view of the punch bar, Figure 4d is a top view of the punch bar, Figure 4e is a punch This is a side cross-sectional view mounted on the punch bar.
Figure 5a is a view showing the lower holder of the lower rotating part according to the present invention, Figure 5b is a front view of the support bar, and Figure 5c is a side view of the support bar.
Figure 6a is a side cross-sectional view showing a partial configuration of the upper rotating portion according to the present invention, and Figure 6b is a side cross-sectional view showing a partial configuration of the lower rotating portion according to the present invention.
Figure 7 is a view of packaging material punched by the punching device for a packaging machine according to the present invention.

Hereinafter, with reference to the drawings, specific details for implementing the punching device for forming a hanging hole for a packaging machine equipped with a detachable lifting control and symmetrical forming punch bar according to the present invention will be described in detail, focusing on examples.

In the present invention, the side where the film is supplied is defined as "front", the side where the film is sealed and discharged as packaging material (P) is defined as "rear", and one side of the film travel path (R) is defined as "one side". .

First, explaining the packaging machine (1) according to the present invention, the packaging machine (1) seals and packages products such as instant food as well as various foods, medicines, masks, and various household necessities in a film packaging material. It is used, where the films supplied from the upper and lower parts pass through the film progression path (R) together, and the slopes are heat-pressed and sealed, and then notched, punched, and cut, and discharged. Referring to Figures 1a and 1b, the film Along the travel path (R), the main roller part (10), preheating part (11), vertical sealing part (12), horizontal sealing part (13), cooling part (14), notch forming part (15), punching device ( 16), the pulling part 17, the vertical cutting part 18, and the horizontal cutting part 19 may be installed sequentially.

The main roller unit 10 pulls and advances the films supplied from the top and bottom, respectively, and in this way, the films supplied from both the top and bottom overlap each other in the film progression path (R) with the contents of the product seated. It goes on like this.

The preheating unit 11 heats the film to preheat it, and the vertical sealing unit 12 and horizontal sealing unit 13 heat and compress the film as it passes between the upper sealing roller and the lower sealing roller to seal the opened portion of the film. They are sealed in the vertical and horizontal directions and packaged with packaging material (P), and the cooling unit 14 cools the heated packaging material (P).

The notch forming portion 15 forms a notch for breaking at the boundary between a plurality of products of the packaging material (P) to facilitate separation during use, and the punching device 16 is a hanger for hanging on the packaging material (P). A hole (P1) is formed, and the pulling portion (17) provides tension by pulling the packaging material (P) inserted between the upper pulling roller and the lower pulling roller in contact with each other.

The vertical cutting part 18 cuts the packaging material P in the longitudinal direction in which the packaging material P moves, and the horizontal cutting part 19 cuts the packaging material P in the width direction of the film progress path R. Cutting is performed, and the cut packaging material (P) is discharged through a discharge means such as a conveyor belt.

Hereinafter, the punching device 16 for a packaging machine according to the present invention will be described in more detail. The punching device 16 punches and hangs the packaging material P on which the film is supplied to the packaging machine 1 and sealed on all sides. By forming a hole (P), it includes a driving part 100, an upper rotating part 200, and a lower rotating part 300, and can be rotated by the driving part 100 at the upper and lower parts of the film progress path (R). As the packaging material (P) passes between the upper rotating part (200) and the lower rotating part (300), which are installed properly, the hanging hole (P) is punched.

The driving unit 100 is provided on one side of the film advancing path (R) and rotates the upper rotating unit 200 and the lower rotating unit 300.

To this end, referring to FIG. 2, in one embodiment of the driving unit 100, a driving motor 110 is installed on one side of the upper rotating part 200 and the lower rotating part 300, and the driving shaft of the driving motor 110 is connected to the driving gear 120 and transmits driving force to the driving gear 120, and the driving motor 110 is a servomotor that controls the rotational movement of the upper rotating part 200 and the lower rotating part 300, and the lower The driven gear 130 is coupled to the lower rotating shaft 310 of the rotating unit 300 and connected to the driving gear 120 to rotate the lower rotating unit 300, and the lower gear is connected to the lower rotating shaft 310 of the lower rotating unit 300. (140) is coupled and rotates together with the lower rotating shaft 310, and the upper gear 150 is coupled to the upper rotating shaft 210 of the upper rotating section 200 installed on the upper side of the lower rotating section 300, and is driven during the punching operation. The gear 130 engages and rotates with the drive gear 120 to rotate the lower rotating part 300, and the upper gear 150 engages and rotates with the lower gear 140 to rotate the upper rotating part 200. Although one embodiment of the driving unit 100 has been described in this way, it is not limited to this and can be configured and arranged in various ways as long as it is a driving means that can rotate the upper rotating part 200 and the lower rotating part 300 together.

Referring to FIGS. 3A to 4E, the upper rotating part 200 is connected to the upper rotating shaft 210, which is coupled to the upper gear 140 and rotates, and is connected to the upper rotating shaft 210 to the upper side of the film progress path (R). An upper holder 220 is installed across and has an upper mounting groove 221 formed along the longitudinal direction, and is formed to extend along the longitudinal direction and is detachably fastened to the upper mounting groove 221 of the upper holder 220, and has a plurality of A punch bar 230 on which two punch grooves 231 are formed, and a punch 240 that is detachably fastened to the punch groove 231 of the punch bar 230 and punches the packaging material (P) to form a hanging hole (P1). ), including.

The upper holder 220 is formed in a rectangular shape with a square cross-section. For example, it may be formed in a rectangular shape with narrow upper and lower surfaces and long heights on both sides, and one or more tap holes 222 are formed through one side. , one or more adjustment holes 223 are formed through the lower side of the tap hole 222.

The upper holder 220 performs punching using a rotation method, which solves the problem of having to temporarily stop the transport of the packaging material during punching using a conventional cam drive or cylinder. Continuous punching is possible without stopping the transport of the packaging material, resulting in efficient punching. and productivity increases. In addition, the upper holder 220, which accommodates the punch bar 230 and the punch 240, has a narrow rectangular shape rather than a cylinder or cylindrical shape, which is a typical roller, making it easy to process the device and fasten and separate the punch and make fine adjustments. In addition, during the rotation of the upper holder 220, no surface other than the punch 240 contacts or interferes with the packaging material (P), and only the punching operation is performed in a short moment, ensuring accurate punching without causing an obstacle to the continuous flow of the packaging material. It becomes possible.

The punch bar 230 is inserted and fastened into the upper mounting groove 221, and the fixing means 224 is inserted into the tab hole 222 of the upper holder 220 to insert the punch bar 230 into the upper mounting groove 221. ) is pressurized and fixed on the side, and at this time, the tap hole 222 may be single, or may be formed in plural numbers spaced apart from each other, and the fixing means 224 is loosened with a tool to press and secure on the side of the punch bar 230. When released, the punch bar 230 can be easily separated, so the punch bar 230 can be detachably fastened to the upper holder 220.

In addition, the punch bar 230 has a plurality of punch grooves 231 formed on the externally exposed surface of the upper holder 220, one or more tap holes 232 are formed through one side, and the punch groove 231 ) may have a step 231a formed inside.

The punch 240 is inserted and fastened into the punch groove 231, and the fixing means 233 is inserted and fastened into the tap hole 232 of the punch bar 230, so that the side of the punch 240 inserted into the punch groove 231 is fastened. is pressurized and fixed, and the punch 240 can be easily separated by releasing the fixing means 233 with a tool and releasing the pressure fixation on the side of the punch 240. Therefore, the punch 240 can be detached from the punch groove 231. It is possible to conclude.

In addition, the punch 240 is inserted into and fastened to the punch groove 231 so that the punch blade 241 formed at the end protrudes outward from the punch bar 230, and the upper portion having an expanded outer diameter compared to the lower portion is the punch groove ( 231) It can be fixedly supported while seated on the internal step 231a.

At this time, the punch blade 241 at the lower end of the punch 240 is configured to have a "C"-shaped cross section, so that a C-shaped hanging hole P1 can be formed in the packaging material P during punching, as shown in FIG. 7. As a result, the residue (P2) punched out by the "C" shaped punching is not separated from the packaging material (P), so the packaging material (P) can be hung on the hanging groove (P1) and the separated residue (P2) is not separated from the packaging material (P). ), or there is no need for a separate discharge treatment process for the residue (P).

Additionally, referring to FIG. 6A, the lower end of the punch bar 230 may be formed with an inclined surface 234 inclined at a predetermined angle, and a fine adjustment bolt 225 is fastened through the adjustment hole 223. The fine adjustment bolt 225 may be installed with the head inserted into the adjustment hole 223, and the tapered end portion enters the inside of the upper mounting groove 221 and comes into contact with the inclined surface 234, The degree of elevation of the punch bar 230 is finely adjusted by adjusting the length at which the fine adjustment bolt 225 enters the inside of the upper mounting groove 221 using a tool, and accordingly, the single unit fastened to the punch bar 230 Alternatively, the degree of elevation of the plurality of punches 240 may be finely adjusted overall. For example, the shallower the fine adjustment bolt 225 enters the inside of the upper mounting groove 221, the more the punch bar 230 rises, and the deeper it enters the inside of the upper mounting groove 221, the more the punch bar 230 rises. It rises. As a result, the punching accuracy and reliability of the punch can be increased by finely raising and lowering the punch bar 230 to suit the type of product or film.

Here, the angle of the inclined surface 234 at the lower end of the punch bar 230 is preferably 5 to 25 degrees. If the angle of the inclined surface 234 is less than 5 degrees, the degree of elevation of the punch bar 230 is minimal, making it difficult to set it to suit the product or film type, which may reduce punching accuracy, and if the angle of the inclined surface exceeds 25 degrees, the lifting and lowering degree of the punch bar 230 may be low. If the adjustment range is excessive, the punch bar 230 may be tilted or separated, and the fixing force for the punch bar 230 may be reduced.

Referring to FIGS. 5A to 5C, the lower rotating part 300 is connected to the lower rotating shaft 310 that is coupled to the lower gear 130 and rotates, and is connected to the lower rotating shaft 310 to move to the lower side of the film progression path (R). A lower holder 320 installed directly below the upper rotating part 200 and having a lower mounting groove 321 formed along the longitudinal direction, and a lower mounting groove 321 of the lower holder 320 extending along the longitudinal direction. ) and includes a support bar 330 that is detachably fastened to the.

The lower holder 320 is formed in a rectangular shape with a square cross-section. For example, it may be formed in a rectangular shape with narrow upper and lower surfaces and long heights on both sides, and one or more tap holes 322 are formed through one side. .

Referring to Figure 6b, the support bar 330 is inserted into the lower mounting groove 321, rotates with the lower holder 320 during the punching operation, and rotates with the upper holder 220 at the upper side ( It contacts the punch 240 fastened to 230 and functions to support the punching operation of the punch 240. To this end, the punch bar 230 of the upper holder 220, which rotates while the driving unit 100 is controlled by a control unit (not shown), and the support bar 330 of the lower holder 320 meet in the film advancing path (R). In a short moment, the punch 240 punches the hanging hole P1 in the packaging material P while being supported by the support bar 230.

In addition, a fixing means 323 is inserted into the tap hole 322 of the lower holder 320 to press and secure the side of the support bar 330 inserted into the lower mounting groove 321. At this time, the tap hole 322 is singular. It may be one, or it may be formed in plural pieces spaced apart from each other. Since the support bar 330 can be easily separated by releasing the fixing means 323 and releasing the pressure fixation on the side of the support bar 330, the support bar ( 330) can be detachably fastened to the lower holder 320.

At this time, the upper holder 220 may have upper mounting grooves 221 formed at positions symmetrical to each other by 180 degrees (for example, the upper and lower surfaces of the upper holder 220), and the upper mounting grooves 221 ), the punch bar 230 on which one or more punches 240 are fastened may be inserted and fastened, and to correspond to this, the lower holders 320 may also be positioned 180 degrees symmetrical to each other (for example, of the lower holder 320). A lower mounting groove 321 may be formed on each of the upper and lower surfaces, and the support bar 330 may be inserted and fastened into the lower mounting groove 321, and in this way, the upper rotating part 200 and the lower rotating part ( 300) can punch the packaging material (P) every time it rotates 180 degrees, increasing productivity and matching the processing speed of other components on the film progression path (R), and the packaging material (P) during the punching operation. Products can be packaged and discharged continuously without transport being temporarily stopped or delayed.

Briefly explaining the process of replacing the punch 240 of the punching device 16 for a packaging machine according to the present invention, if the punch 240 is worn or broken while using the device, the upper holder 220 is fixed with a tool. By loosening (224), the pressure fixation on the side of the punch bar 230 is released and the punch bar 230 is separated from the upper mounting groove 221. Then, by using a tool, the fixing means 233 that secures the problematic punch 240 is released, the pressing fixation on the side of the punch 240 is released, and the punch 240 is separated from the punch groove 231. By installing the new punch 240 in the punch groove 231 and then mounting the punch bar 230 in the upper mounting groove 221, only worn or broken punches can be easily replaced and maintenance and repair costs are reduced. can do.

Ultimately, the punching device 16 for forming a hanging hole for a packaging machine equipped with a detachable lifting control and symmetrical forming punch bar according to the present invention has a detachable punch so that only worn or broken punches can be easily replaced and maintained and repaired. Costs are reduced, and since punching is performed using a rotation method, continuous punching is possible without stopping the transport of the packaging material during punching, which results in efficient punching and increases productivity. Punching accuracy is improved by finely adjusting the punch to raise and lower to suit the type of product or film. And reliability increases, and since the residue punched out by "C" shaped punching does not separate from the packaging material, the packaging material can be hung in the hanging groove, but the separated residue adheres to the packaging material or requires a separate discharge treatment process for the residue. There is nothing.

In the present invention, the above embodiment is an example and the present invention is not limited thereto. Anything that has substantially the same structure as the technical idea described in the claims of the present invention and achieves the same effect is included in the technical scope of the present invention.

1. Packaging machine 10. Main roller unit
11. Preheating part 12. Vertical sealing part
13. Horizontal sealing part 14. Cooling part
15. Notch forming part 16. Punching device
17. Pulling part 18. Vertical cutting part
19. Horizontal cutting part 100. Drive part
110. Drive motor 120. Drive gear
130. Driven gear 140. Lower gear
150. Upper gear 200. Upper rotating part
210. Upper rotation axis 220. Upper holder
221. Upper mounting groove 222. Tap hole
223. Adjustment hole 224. Fixing means
225. Fine adjustment bolt 230. Punch bar
231. Punch groove 231a. step
232. Tap hole 233. Fixing means
234. Slope 240. Punch
241. Punch blade 300. Lower rotating part
310. Lower rotation axis 320. Lower holder
321. Lower mounting groove 322. Tap hole
323. Fixing means 330. Support bar
R. Film progression path P. Packaging material
P1. Hanging hole P2. residue

Claims (8)

In the punching device for a packaging machine that forms a hanging hole by punching the sealed packaging material supplied with a film to the packaging machine,
The hanging hole is punched as the packaging material passes between the upper and lower rotating parts, which are rotatably installed at the upper and lower parts of the film progression path,
The upper rotating part has an upper rotating axis, a rectangular shape with a square cross-section, is connected to the upper rotating axis, has an upper mounting groove formed in the longitudinal direction, one or more tap holes are formed through one side, and one or more adjustment holes are formed on the lower side of the tap hole. An upper holder formed through a through hole, a punch bar detachably fixed to the upper mounting groove by a fixing means fastened to the tap hole of the upper holder, a plurality of punch grooves formed, and a tap hole formed on one side, and a fixing fastened to the tap hole of the punch bar. It includes a punch that is detachably fastened to the punch groove to protrude and punch the packaging material to form a hanging hole,
The lower rotating part is made of a lower rotating shaft and a rectangular shape with a square cross-section, connected to the lower rotating shaft, and has a lower mounting groove formed in the longitudinal direction. A lower holder having one or more tapped holes on one side and a fixing fastened to the tapped hole of the lower holder. It includes a support bar that is detachably fixed to the lower mounting groove and supports the punch that comes into contact when rotating,
The punch bar has a lower end formed with an inclined surface inclined at a predetermined angle, and a fine adjustment bolt is fastened through the adjustment hole so that the end of the fine adjustment bolt enters the inside of the upper mounting groove and comes into contact with the inclined surface, and the fine adjustment bolt The degree of elevation of the punch bar is finely adjusted by adjusting the length entering the inside of the upper mounting groove, and the fine adjustment bolt is formed to have a tapered end,
A step is formed inside the punch groove of the punch bar, and the upper part of the punch, which has an outer diameter expanded compared to the lower part, is seated and supported on the step,
The upper holders each have an upper mounting groove formed at a position symmetrical to each other by 180 degrees, a punch bar with a punch fastened to the upper mounting groove is inserted and fastened, and the lower holders each have a lower mounting groove formed at a position symmetrical to each other by 180 degrees. A punching device for forming a hanging hole for a packaging machine with a detachable lifting control and symmetrical punch bar, characterized by a support bar inserted into the lower mounting groove.
According to clause 1,
A punching device for forming a hanging hole for a packaging machine with a detachable lift-adjustable and symmetrical punch bar, characterized in that the angle of the inclined surface of the lower part of the punch bar is 5 to 25 degrees.
According to clause 1,
The driving unit includes a driving motor installed on one side of the packaging machine, a driving gear connected to and rotating with the driving shaft of the driving motor, a driven gear coupled to the lower rotating shaft of the lower rotating section and connected to the driving gear to rotate the lower rotating section, and a lower rotating shaft of the lower rotating section. For forming a hanging hole for a packaging machine with a detachable lifting control and symmetry forming punch bar, including a lower gear that is coupled to and rotates, and an upper gear that is coupled to the upper rotation axis of the upper rotating portion and is connected to the lower gear to rotate the upper rotating portion. Punching device.
According to clause 1,
The punch is configured so that the punch blade at the bottom has a "C"-shaped cross section, so that a C-shaped hanging hole is formed in the packaging material during punching, forming a hanging hole for a packaging machine equipped with a detachable lifting and lowering adjustment and symmetrical punch bar. Punching device for. delete delete delete delete

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