KR100844696B1 - The mould-set for edge bending of package box - Google Patents

Abstract

The present invention relates to a frame body for bending the edge of a packaging box, and more particularly, the front and rear of the frame body to bend the edge of the storage space portion of the deployment paper (inlay) to bend the edges of the four sides, By adjusting the left and right width, it relates to a frame for bending the frame of the packaging box to enable a simple and elaborate edge bending process of various development sites of various specifications.

According to the present invention, it is possible to adjust the size of the arrangement structure by the variable that is arranged in each corner to form a rectangular arrangement structure and the gap of the arrangement interval between each other is expanded / reduced, the storage space of various development sites of various standards A plurality of first, second, third and fourth bending molds capable of pressing only edges; A first moving shaft connecting and inserting both ends of the first and second bending molds, the first and second bending molds disposed on one side of the developing area, to narrow or widen the relative gap between the first and second bending molds; A second moving shaft configured to connect and insert both ends of the third bending molds into the 3.4 bending molds disposed on the other side in the long direction of the deployment area to narrow or widen the relative gaps between the third and fourth bending molds; A third moving shaft which connects and inserts both ends of the second and third bending molds disposed at one side of the unfolding one side to narrow or widen the relative gap between the second and third bending molds; A fourth moving shaft configured to connect and insert both ends of the first and fourth bending molds in the first and fourth bending molds disposed on the other side in the unidirectional direction of the deployment area to narrow or widen the relative gap between the first and fourth bending molds; A plurality of first moving blocks vertically penetrated at each center of the first and second moving shafts; A plurality of second moving blocks vertically penetrated at each center of the third and fourth moving shafts; As the first and second moving shafts intersect the first and second moving shafts, the front and rear ends of the first moving block intersect the first and second moving shafts, respectively. A first adjustment shaft for simultaneously controlling a relative gap between the second gap and a third gap between the second bending mold and the third bending mold; Similarly to the first adjustment shaft, the first support shaft to facilitate the sliding movement of the first moving block by being successively coupled to each lower end of the plurality of first moving blocks; Both ends of the second moving block are successively intersected with the third and fourth moving shafts, respectively, and the first and second bending molds are moved by sliding the front and rear of the second moving block. A second adjustment shaft for simultaneously controlling the relative gap between the third bending mold and the fourth bending mold; Similarly to the second control shaft, the second support shaft to facilitate the sliding movement of the second moving block by being successively coupled to each lower end of the plurality of second moving blocks; And a holding block which is assembled with the edge bending machine by being vertically coupled to each of the center intersections of the first and second adjustment shafts and the first and second support shafts.

Box, Edge Bending Machine, Flatbed, Edge, Inlay, Bending, Pressing, Form, Shaft

Description

Form body for bending the edge of the packing box {THE MOULD-SET FOR EDGE BENDING OF PACKAGE BOX}

The present invention relates to a frame body for bending the edge of a packaging box, and more particularly, the front and rear of the frame body to bend the edge of the storage space portion of the deployment paper (inlay) to bend the edges of the four sides, By adjusting the left and right width, it relates to a frame for bending the frame of the packaging box to enable a simple and elaborate edge bending process of various development sites of various specifications.

Wrapping paper box (hereinafter referred to as a "packing box") is a kind of paper box that collectively refers to all containers made of paper, and covers the outer surface of the inlay (cardboard). Refers to a paper assembly box made by joining (cover).

It can be used to package medicines, cosmetics, cameras or high-quality printing papers that can be damaged due to the outer surface, while maximizing the printing effect on the surface of the box and sufficiently protecting the contents through a hard inlay.

In the early stages of production, most of the boxes were made of yellow-paperboard weighing 200 ~ 600g / ㎡, and then art paper was glued to the surface of them, but in recent years, printability, moisture resistance and Various cardboards processed to have oil resistance and the like have been applied.

On the other hand, molding into an inlay where a storage space is provided by vertical bending and assembling the edges of the unfolded paper pre-processed according to the box specifications ordered from the production client before the joining process of the surface. The process is performed first, for this purpose, an edge bending machine using a press method is used.

Figure 1a is a front view showing a schematic overall configuration of the edge bending machine for the packaging box, Figure 1b is a perspective view showing a conventional wooden structure for bending the edge of the packaging box, Figure 1c is a process diagram showing the folding relationship of the deployment sheet for the packaging box. to be.

The schematic structure of the above-described conventional edge bending machine 900 is, as shown in the figure, the main body 910 is provided with a control box 911 for driving the device and control the process step according to the application of an external power source And pressing the storage space portion p-1 of the expanded paper p supplied in advance by repeatedly lifting and lowering the upper portion of the main body 900 so as to be bent vertically. The bending means 920 consisting of a pressing table 921 and an elevating shaft 922 and a plurality of stacks of the developed sheets p are stacked, and the lowermost sheet of the stacked sheets p is thus bent. Adhesion for use in joining the supply means 930 including a plurality of feed rolls 931 which can be fed to the lower side of the means 920 and the close ends of the four edges vertically bent by the bending means 920 ( Tape roll with a rolled-up tape 940 and a subsequent step such as receiving a box-shaped inlay (expansion sheet) falling after completion of the bending process and the bonding process through the bending means 920 and the tape roll 940 and attaching an outer surface to the outer surface thereof. Consists of the assembly of the conveyor 950 for transport.

In addition, the side holder 960 and the side holder 960 for placing and supporting the deployed paper p using the feed roll 931 so as to be supported by a levitation state under the bending means 920. ) Is further provided with a bending piece 970 allowing the four edges of the developing paper p to be vertically bent as it is vertically coupled to the upper side of the conveyor 950.

In addition, the bending means 920, by being integrally coupled to the lower end of the pressing table 921 by pressing the corner of the storage space portion (p-1) excluding the four edges of the unfolding place (p) when the lowering of the four sides of the vertical It further includes a mold (chain type, A-1) that can be bent.

According to the conventional edge bending machine 900 as described above, by the device driving through the control of the control box 911, the lowermost of the large amount of deployment paper (p) deposited on the supply means 930 is the paper feeding The sheet is supplied by the rotation of the roll 931, and the sheet of deployment sheet p is supplied by the side mounting stand 960 so as to be levitation so as to be close to the lower side of the bending means 920.

Thereafter, when the lifting shaft 922 of the bending means 920 moves downward through a separate driving device (not shown), the pressing table 921 and the wooden die A-1 are lowered together and deployed. The upper surface of the finger p is pressed.

Thus, as shown in FIG. 1C, the four corner edges not affected by the die A-1 are bent vertically by the bending piece 970, and then the predetermined lengths from the tape roll 940. The adhesive tape is attached around the outer edges of each corner of the four edges, thereby completing the solid inlay (folding paper) forming of the box structure.

Finally, by repeating the supply process of the development site (p), the bending process and the joining process of the four corners, the inlay of the box-shaped structure on the top of the conveyor 950 falls off and attached to the surface along it Transferred to the next process step for

However, the size of the packing box is determined by the storage space (p-1) for storing the goods, the specifications of the packing box required for each company requesting the production delivery is different, so the wooden box (A -1) It is impossible to bend the edges of various development sites (p) with only one.

Therefore, the wooden die (A-1) that meets the specifications of the packaging box required by the production requester must be manufactured separately each time, and each time the wooden die (A-1) is different from the pressing table 921 above. It has been cumbersome, such as the need to replace from time to time.

As a result, it is not only possible to shorten the manufacturing time of products which are the top priority for packaging box manufacturers classified as 3D industry (Difficult, Dirty, Dangerous, difficult, dirty and dangerous work), but also in the manufacturing process. It is difficult to reduce production costs due to an increase in incidental costs, which leads to a problem in that the yield is greatly reduced.

In addition, a separate space must be secured for storing the wooden die (A-1), which is additionally manufactured whenever the size of the packing box is changed as described above, so that it can be reused in a subsequent bending process of the same standard deployment place (p). However, there have been closures leading to deterioration of the manufacturing environment, such as increasing storage volumes, requiring more space or narrowing the working space.

An object of the present invention is to solve the above problems, a plurality of "b" shaped bending freely variable positioning of the adjustment shaft and the support shaft and a plurality of moving shafts and expansion / contraction from each corner through them It is to provide a frame body for bending the frame of the packaging box to configure the frame body as a mold, so that it is possible to quickly and precisely vertically bent the four edges of various development sites having a variety of specifications.

In order to achieve the above object, the frame-bending frame of the packaging box according to the present invention is arranged in each corner so as to form a rectangular array structure, and the arrangement of the arrangement structure by the variable that the gap of the arrangement interval between each other is expanded / contracted As the size can be adjusted, a plurality of first, second, third and fourth bending molds capable of pressing only the corners of the storage spaces of various development sites of various standards; A first moving shaft connecting and inserting both ends of the first and second bending molds, the first and second bending molds disposed on one side of the developing area, to narrow or widen the relative gap between the first and second bending molds; A second moving shaft configured to connect and insert both ends of the third bending molds into the 3.4 bending molds disposed on the other side in the long direction of the deployment area to narrow or widen the relative gaps between the third and fourth bending molds; A third moving shaft which connects and inserts both ends of the second and third bending molds disposed at one side of the unfolding one side to narrow or widen the relative gap between the second and third bending molds; A fourth moving shaft configured to connect and insert both ends of the first and fourth bending molds in the first and fourth bending molds disposed on the other side in the unidirectional direction of the deployment area to narrow or widen the relative gap between the first and fourth bending molds; A plurality of first moving blocks vertically penetrated at each center of the first and second moving shafts; A plurality of second moving blocks vertically penetrated at each center of the third and fourth moving shafts; As the first and second moving shafts intersect the first and second moving shafts, the front and rear ends of the first moving block intersect the first and second moving shafts, respectively. A first adjustment shaft for simultaneously controlling a relative gap between the second gap and a third gap between the second bending mold and the third bending mold; Similarly to the first adjustment shaft, the first support shaft to facilitate the sliding movement of the first moving block by being successively coupled to each lower end of the plurality of first moving blocks; Both ends of the second moving block are successively intersected with the third and fourth moving shafts, respectively, and the first and second bending molds are moved by sliding the front and rear of the second moving block. A second adjustment shaft for simultaneously controlling the relative gap between the third bending mold and the fourth bending mold; Similarly to the second control shaft, the second support shaft to facilitate the sliding movement of the second moving block by being successively coupled to each lower end of the plurality of second moving blocks; And a holding block which is assembled with the edge bending machine by being vertically coupled to each of the center intersections of the first and second adjustment shafts and the first and second support shafts.

As can be clearly seen from the above description, in the frame bending frame of the present invention, each of the first, second, third, and fourth bending molds arranged at four corners to form a rectangular structure includes first and second adjustment shafts. And the entire area of the mold, such as being easily spaced apart or close to each other by the first, second, third, and fourth moving shafts, to precisely press only the edges of the corresponding storage spaces even in various deployment sites of various standards. This makes it possible to provide a simple and quick effect of bending the edges of the four sides.

In addition, by providing a frame body capable of adjusting the overall area (variable) as described above, according to the specifications of the development site, the omission of the existing mold chain, which had to be manufactured separately from time to time, and separating / combining the mold from the edge bending machine, It is a useful invention that can eliminate the trouble of the same replacement work, and overcome the waste of extra cost, work time, and the preparation of storage space for future reuse.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings such that those skilled in the art may easily implement the present invention.

Figure 2 of the accompanying drawings is a perspective view showing the overall structure of the frame for bending the frame of the packaging box according to the invention, Figure 3 is an exploded perspective view showing a coupling relationship of the frame for bending the frame of the packaging box according to the present invention, Figure 4a and Figure 4b is a plan view showing the operating relationship of the frame bending frame of the packaging box according to the present invention, Figure 5 is a state diagram showing an application example of the frame bending frame of the packaging box according to the present invention, Figure 6 is a perspective view showing another embodiment of the frame for bending the frame of the packaging box according to the present invention, Figure 7 is another embodiment of a bending mold in the frame for bending the frame of the packaging box according to the present invention The partial partial explanatory view shown.

As shown in Figures 2 and 3, the frame-shaped bending frame (A) of the packaging box according to the present invention is arranged in each corner so as to form a rectangular array structure, and the gap between the arrangement intervals between each other (擴張) As the size of the arrangement structure can be adjusted by the variable / shrinkable shrinkage, many of the edges of the storage space portions p-1 of various development sites p of various standards can be pressed. 1, 2, 3, 4 bending mold (1) (1-1) (1-2) (1-3).

The first, second, third and fourth bending molds (1) (1-1) (1-2) and (1-3) are easy to pressurize the corners of the storage space (p-1) of the development place (p). It is a metal plate bent in a "b" shape so as to be orthogonal from both inner surfaces of the first, second, third and fourth bending molds (1) (1-1) (1-2) (1-3). In addition, the upper fastening arm 11 and the lower fastening arm 12 in which each protruding tip side is laminated up and down are further integrally formed.

The first and second insertion holes 11a and 12a penetrating the outer surface of the mold are formed in the vertical surfaces of the upper and lower fastening arms 11 and 12, respectively. The insertion coupling of the end of the 3,4 moving shaft and the insertion depth thereof can be adjusted.

As described above, the first, second, third, and fourth bending molds (1) (1-1) (1-2) (1-3), which are disposed on the long side of the development paper (p) The first and second bending molds 1-1 and 1-1 are mutually inserted by inserting both ends into the first insertion holes 11a of the first and second bending molds 1 and 1-1. The first moving shaft 2 is provided to narrow or widen the relative gap therebetween. On the other hand, the second moving shaft in which both ends are inserted in the same manner as described above in the upper fastening arm 11, the first insertion hole (11a) of the third, fourth bending mold (1-2) (1-3) ( It is preferable to further provide 2-1).

Each center of the first and second moving shafts (2) and (2-1) has the first and second bending molds (1) (1-1) and the third and fourth bending molds (1-2) ( Each of the vertical moving blocks 21 of the vertical type for adjusting the relative gap with 1-3 is assembled.

The first through hole 21a through which the first and second moving shafts 2 and 2-1 can be inserted is horizontally formed at one central end of the first moving block 21 and is formed on the other side. At the lower end, a second through hole 21b is formed through the first control shaft and the first support shaft, which will be described later, to cross and assemble.

The first bending mold 1, the second bending mold 1-1, and the third bending mold, which are formed as one through the first and second moving shafts 2 and 2-1, respectively, The first, second, third and fourth bending molds 1 and 1 are respectively provided in the lower fastening arm 12 and the second insertion hole 12a facing each of the second and fourth bending molds 1-2. The third and fourth moving shafts 3 and 3-1, which are connected and inserted to form -1) (1-2) and 1-3, respectively, are provided.

That is, the third moving shaft 3 includes the second insertion hole 11a and the third bending mold 1-2 of the upper fastening arm 11 of the upper fastening arm 11 of the second bending mold 1-1. Both ends are respectively inserted in the second insertion hole 11a of the second insertion hole 11a, and the fourth moving shaft 3-1 is the second insertion hole 11a of the upper fastening arm 11 of the first bending mold 1. Both ends are preferably inserted into the second insertion hole 11a of the upper fastening arm 11 and the fourth bending mold 1-3, respectively.

The first and third bending molds 1 and 1-2 and the remaining second and fourth bending molds 1-2 are arranged in the middle portions of the third and fourth moving shafts 3 and 3-1. (2) The vertical second moving block 31 is assembled to facilitate the adjustment of the relative gap between (1-3).

On the other hand, at one end of each of the plurality of second moving blocks 31, a first through hole 31a is formed in which the third and fourth moving shafts 3 and 3-1 are inserted and assembled to an intermediate portion. In the upper and lower ends of the other side, it is preferable that the second through hole 31b intersecting the first through hole 21a and 31a is formed to cross.

The first adjusting shaft 4 connecting them is connected to the second through holes 21b at the upper end of each of the first moving blocks 21, and the second through holes 21b at the lower end are connected to each other. 1 Penetrate the support shaft (5).

In addition, the second adjustment shaft 6 having a relatively shorter length than the first adjustment shaft 4 is formed in each of the upper second through holes 31b of the third and fourth moving blocks 3 and 3-1. Both ends of the through is coupled, the lower end of the second through-hole (31b) is also coupled to both ends of the second support shaft (7), whose length is relatively shorter than the first support shaft (6).

Accordingly, the first adjustment shaft 4 and the first support shaft 5 are positioned up and down in the same direction, and the second adjustment shaft 6 and the second support shaft 7 are the first adjustment shaft. And intersect with (4) and the first support shaft (5) while being located near them.

In addition, at each central intersection of the plurality of first and second adjustment shafts 4 and 6 and the first and second support shafts 5 and 7, a holding block 8 perpendicular to them is provided. do.

As shown in FIG. 5, the post block 8 includes a plurality of first, second, third and fourth bending molds 1, 1-1, 1-2, and 1-3. The first and second adjustment shafts (4) and (5) and the first and second support shafts (6) for assembling as a single structure on the lower side of the pressing table (921) of the bending means (920) bending means (920). A support stand 81 through which 7 is coupled through and a plate-shaped bracket plate 82 tightly assembled to the bottom surface of the pressure stand 921 are integrally formed.

On the upper and lower ends of the support base 81, a plurality of third through holes 81a through which the first adjustment shaft 4 and the first support shaft 5 can be inserted are formed at upper and lower ends thereof. On the other side, the second adjustment shaft 6 and the second support shaft (7) is a plurality of cross-insertion of the first adjustment shaft 4 and the first support shaft (5) adjacent to each other The fourth through hole 81b is formed.

The first and second adjustment shafts 4 and 6 move the first and second moving blocks 21 and 31 back and forth to the first, second, third and fourth bending molds 1 ( 1-1) (1-2) (1-3) for the purpose of changing the arrangement position to narrow or widen the relative gap between, the outer periphery of the central portion is a flow-proof groove (4a) (6a) inwardly inwardly It is formed around, and the screw-type right-hand thread (41) 61 and the left-hand thread (42) (62) extending from the flow preventing groove (4a) 6a to both ends from the starting point is formed.

Therefore, as shown in FIGS. 4A and 4B, a plurality of first moving blocks 21 assembled at both ends of the first adjustment shaft 4 may include the right screw thread 41 and the left screw thread 42. The second movable block 31 can be moved forward and backward by the right hand thread 61 and the left hand thread 62 of the second adjustment shaft 6 in the same manner.

On the other hand, the front and rear movement of the first and second moving blocks 21 and 31 using the right thread 41 and 61 and the left thread 42 and 62 may be a separate tool (L wrench). Wrench grooves 4b and 6b, which enable to be interlocked, are achieved by being formed on one side vertical face of the first and second adjustment shafts 4 and 6.

In addition, the first and second moving shaft (2) (2-1) and the third and fourth moving shaft (3) (3-1) and the first and second adjusting shaft (4) (6) and the first and second According to the sliding or rotating action of the support shafts (5) and (7), each of the first, second, third and fourth bending molds (1) (1-1) (1-2) (1-3) Wear of the first and second insertion holes 11a and 12a of the fastening arms 11 and 12 and the first and second through holes 21a and 21b of the first and second movable blocks 21 and 31, respectively. The ring-shaped bushing (b) is assembled for more precise assembly and prevention.

At the same time, a bolt hole 81c which crosses the third and fourth through holes 81a and 81b horizontally orthogonally from an outer surface to the support stand 81 of the support block 8 as shown in FIG. 3. Is formed, and the ball bearings of the front end are inserted into the bolt hole 81c into the flow preventing grooves 4a and 6a at the same time, and the first and second adjustment shafts 4 and 6 are accommodated. Is further coupled to the bearing bolt (v-1) so as not to deviate to any one side.

In addition, grooves 21c and 31c which are bent inwardly upwards are formed on the bottom surfaces of the first and second movable blocks 21 and 31, respectively, and the first and second movable blocks 21 and 31 are fitted to them. The first, second, third and fourth bending molds (1) (1-1) (1-2) (1-3) are pressed through the outer circumference of a part of the second support shaft (5) (7). The locking blocks 21-1 and 31-1, which are configured to stop control, are further assembled.

The locking blocks 21-1 and 31-1 have the same position and the same size as the second through holes 21b and 31b formed at the lower ends of the first and second moving blocks 21 and 31. The shaft compression hole 21-1a which has a through-hole is formed in one side, and the space | interval space 21-1b (31-1) cut across from the outer side wall surface to the said shaft compression hole 21-1a (31-1a) 1b) is formed, and the inner diameters of the shaft compression holes 21-1a and 31-1a are finely reduced by narrowing the spaced intervals 21-1b and 31-1b. Fastening bolts (v-2) capable of pressing one outer periphery of the support shafts (5) and (7) are screwed up vertically from the bottom surface on which the spaces 21-1b and 31-1b are located. do.

On the other hand, Figure 6 is a perspective view showing another embodiment of the frame for bending the frame of the packaging box according to the invention, as shown in the drawing, the right screw thread 41, 61 and the left screw thread 42 ( Unlike the 62), the first and second adjustment shafts (4 ') and 6' formed with rack threads (4'-1) (6'-1) continuous in the longitudinal direction along a predetermined range of the upper peripheral edges of both sides, At the same time as the upper side of the second through holes 21b and 31b of the first and second moving blocks 21 and 31, the communication holes 21d intersecting them are formed and inserted therein. The first and second movable blocks 21 and 31 are moved even though the rack bolts 4'-1 and 6'-1 are rotated in gear by rotating the pinion bolts v-3. Can be enabled.

In addition, Figure 7 is a partial partial perspective view showing another embodiment of the bending mold in the frame for bending the frame of the packaging box according to the present invention, as shown in the drawing, the first, second, third, fourth bending The first, second, third and fourth bending molds described above are further attached to each other by further attaching and expanding the extension plate 13 attached to the outer surface of each of the molds 1, 1, 1, 1, 2, and 1-3. (1) (1-1) (1-2) (1-3) Further expansion size can be formed from the maximum difference between each other.
Unexplained reference numeral 821 is a plurality of assembling through holes required to assemble the holding block to the conventional edge bending machine bending means by using a separate screw bolt by penetrating perpendicular to the edge of the bracket plate 82.

delete

Referring to the operation of the frame (B) for bending the frame of the packaging box according to the present invention having the above configuration as follows.

First, as shown in FIG. 5, in a state in which the upper surface of the bracket plate 82 of the support block 8 is in close contact with the bottom surface of the bending means 920 presser 921 of the existing edge bending machine 900. Simple assembly using the bolts (not shown).

Accordingly, by activating the edge bending machine 900, when the bottom of the large amount of development papers (p) deposited on the supply means 930 is sheet-feeded by the feed roll 931, Subsequently, by the action of the bending means 920, the mold body A of the present invention assembled to the bottom surface together with the pressing table 921 is repeatedly lifted up and down, and such a process The edge of the receiving space p-1 of the development paper p is pressed by the load caused by the downward movement of the mold body A.

As a result, the four edges except for the storage space p-1 of the deployment sheet p are not affected by the mold body A, and the bending pieces 970 of the edge bending machine 900 are moved downward. The tape rolls 940 are then lifted up and bent vertically, and the tape rolls 940 supplied thereafter are attached to each other by closely covering the outer ends of the edges of each rim, thereby completing the inlay forming operation for the packaging box as shown in FIG. 1C.

As the continuation of this bending process, the next inlay is first pushed down the formed inlay downwards, and the transfer to the next process while falling on the conveyor 950 of the edge bending machine 900. Therefore, the inlay that the bending process is completed as described above is to perform the bonding step of covering the outer surface on the outer surface is to complete the manufacturing process of the packaging box.

At this time, by varying the overall area of the mold body (A) according to the present invention according to the specifications of the packaging box requested by the production request company, the cumbersome work process to separately produce a wooden mold (A-1) according to the In addition, it is possible to eliminate the incidental costs incurred.

Subsequently, the operation of the mold body A according to the present invention, in which the entire area can be varied according to the packing box accommodating space part p-1 of various standards as described above, will be described in detail.

As shown in FIG. 4A, the first, second, third, and fourth bending molds 1, 1-1, 1-2, and 1-3 are variably adjusted in the position of the present invention. The expansion of the total area of the sieve A is achieved. First, a separate tool (L wrench), which is known into the wrench groove 41 of the first adjustment shaft 4, is inserted and then rotated clockwise.

At this time, the center of the first adjustment shaft (4) rotated as described above is not changed by the bearing bolt (v-1) inserted and assembled through one side of the support stand (81).

As a result, the plurality of first moving blocks 21 are slid outwardly by the right hand thread 41 and the left hand thread 42 of the first adjustment shaft 4, thereby providing the first and second bending molds 1. (1-1) and the third and fourth bending molds (1-2) and (1-3) due to the gap between the opening, the storage space portion (p-1) of the corresponding deployment sheet p for the bending process Both edges and the outer end surfaces of the bending molds 1, 1-1, 1-2, and 1-3 are equal to each other.

Thereafter, the tightening bolt v-2 is tightened to finely reduce the diameter of the shaft pressing hole 21-1a of the locking block 21-1, and the inner diameter of the shaft pressing hole 21-1a. As the surface pressurizes one outer circumferential surface of the first support shaft 5, the plurality of first moving blocks 21 may be fixed.

Subsequently, in the same manner as above, by further rotating the second adjustment shaft 6 in the clockwise direction, as shown in FIG. 4B, the plurality of second moving blocks 31 are respectively bidirectionally outward. The first, second, third and fourth bending molds (1) (1) by the first, second, third and fourth moving shafts (2) (2-1) (3) (3-1). -1) (1-2) and (1-3) to be the same as the edge of the storage space (p-1) of the developing area (p) to complete the final total area expansion of the frame (A) do.

Finally, the first, second, third and fourth bending molds (1) (1-1) (1-2) (1) are tightened by tightening the respective tightening bolts (v-2) of the second moving block (31). The variable position of -3) is not deformed even in the external pressure during the above-described bending process.

In this way, it is possible to simply correspond to the various development sites p of various standards, thereby effectively performing the edge bending process of the development site p through accurate pressurization of the corner portion of the storage space p-1. It can be achieved.

For reference, as shown in FIG. 7, when the area of the corresponding storage space p-1 of the various developing papers p for the bending process described above does not greatly exceed the maximum value of the extended range of the frame body A. In the above-described extension plate 13, the first, second, third, and fourth bending molds 1, 1-1, 1-2, 1-3 can be usefully used by attaching and attaching to each of the outer surfaces. have.

As described above, the present invention has been described in detail by using a preferred embodiment, but the scope of the present invention is not limited to the specific embodiment, it should be interpreted by the appended claims. In addition, those of ordinary skill in the art that various modifications can be made without departing from the scope and spirit of the present invention.

Figure 1a is a front view showing a schematic overall configuration of the edge bending machine for packaging.

Figure 1b is a perspective view showing a conventional wooden structure for bending the box border.

Figure 1c is a process diagram showing the folding relationship of the deployment sheet for packaging.

Figure 2 is a perspective view showing the overall structure of the frame for bending the frame of the packaging box according to the invention.

Figure 3 is an exploded perspective view showing a coupling relationship of the frame for bending the frame of the packaging box according to the invention.

Figure 4a and Figure 4b is a plan view showing the operating relationship of the frame for bending the frame of the packaging box according to the invention.

Figure 5 is a state of use showing an application example of the frame for bending the frame of the packaging box according to the invention.

Figure 6 is a perspective view showing another embodiment of the frame for bending the frame of the packaging box according to the present invention.

7 is a partial partial perspective view showing another embodiment of the bending mold in the frame for bending the frame of the packaging box according to the present invention.

*** Explanation of symbols for the main parts of the drawing ***

A: mold body, 1: first bending mold

1-1: second bending mold, 1-2: third bending mold

1-3: 4th bending mold, 2: 1st moving shaft

2-1: 2nd moving shaft, 3: 3rd moving shaft

3-1: 4th shift shaft, 4, 4 ': 1st adjustment shaft

4a, 6a: flow preventing groove, 4b, 6b: wrench groove

4'-1, 6'-1: Rack thread, 5: 1st support shaft

6, 6 ': 2nd adjustment shaft, 7: 2nd support shaft

8: holding block, 11: upper fastening arm

11a: first insertion hole, 12: lower fastening arm

12a: first insertion hole, 13: extension plate

21,: first moving block, 21a, 31a: first through hole

21b, 31b: second through hole, 21c, 31c: groove

21d, 31d: Communication hole, 21-1, 31-1: Locking block

21-1a: Shaft compression hole, 21-1b: Spacing

31: 2nd moving block, 41, 61: right-hand thread

42, 61: left-hand thread, 81: prop

81a: third through hole, 81b: fourth through hole

81c: bolt hole, 821: assembly hole

b: Bushing, v-1: Rare Bolt

v-2: Tightening bolt, v-3: Pinion bolt

Claims (10)

In a conventional frame body used to make the development sheet is formed into a box-shaped inlay having a receiving space through a step of bending the edge of the development sheet using an edge bending machine, The frame is arranged in each corner to form a rectangular array structure, and the size of the arrangement structure can be adjusted by the variable that the difference in the arrangement interval between the expansion / contraction, it is possible to accommodate the storage space of various development sites of various standards A plurality of first, second, third and fourth bending molds capable of pressing only edges; A first moving shaft connecting and inserting both ends of the first and second bending molds, the first and second bending molds disposed on one side of the developing area, to narrow or widen the relative gap between the first and second bending molds; A second moving shaft configured to connect and insert both ends of the third bending molds into the 3.4 bending molds disposed on the other side in the long direction of the deployment area to narrow or widen the relative gaps between the third and fourth bending molds; A third moving shaft which connects and inserts both ends of the second and third bending molds disposed at one side of the unfolding one side to narrow or widen the relative gap between the second and third bending molds; A fourth moving shaft configured to connect and insert both ends of the first and fourth bending molds in the first and fourth bending molds disposed on the other side in the unidirectional direction of the deployment area to narrow or widen the relative gap between the first and fourth bending molds; A plurality of first moving blocks vertically penetrated at each center of the first and second moving shafts; A plurality of second moving blocks vertically penetrated at each center of the third and fourth moving shafts; As the first and second moving shafts intersect the first and second moving shafts, the front and rear ends of the first moving block intersect the first and second moving shafts, respectively. A first adjustment shaft for simultaneously controlling a relative gap between the second gap and a third gap between the second bending mold and the third bending mold; Similarly to the first adjustment shaft, the first support shaft to facilitate the sliding movement of the first moving block by being successively coupled to each lower end of the plurality of first moving blocks; Both ends of the second moving block are successively intersected with the third and fourth moving shafts, respectively, and the first and second bending molds are moved by sliding the front and rear of the second moving block. A second adjustment shaft for simultaneously controlling the relative gap between the third bending mold and the fourth bending mold; Similarly to the second control shaft, the second support shaft to facilitate the sliding movement of the second moving block by being successively coupled to each lower end of the plurality of second moving blocks; A holding block which is assembled with the edge bending machine by vertically coupling to the center intersections of the first and second adjustment shafts and the first and second support shafts. Bending frame. The method of claim 1, The first, second, third, fourth bending mold is a metal plate bent in a "b" shape to facilitate the pressing of the corner of the receiving space of the deployment sheet, The upper fastening arm and the lower fastening arm, which protrude orthogonally from both inner surfaces of the first, second, third and fourth bending molds, and each protruding tip side are stacked up and down, are further integrally formed. The first and second fastening arms on the vertical end side of each of the first and second fastening arms, the first, second, third, and fourth bending molds to allow insertion of the first, second, third and fourth moving shafts, and a first insertion of the first and second fastening arms. 2, the insertion hole is a frame for bending the frame of the packaging box, characterized in that formed. The method of claim 1, The strut block is composed of a strut pair through which the first and second adjustment shafts and the first and second support shafts are coupled to each other, and a plate-shaped bracket plate which is tightly assembled to the bottom surface of the pressurizing stage. On the upper and lower ends of the support stand, a plurality of third through holes through which the first adjustment shaft and the first support shaft can be inserted are formed at upper and lower ends thereof. On the other side, the upper and lower ends of the support, a plurality of fourth through-holes are formed so that the second control shaft and the second support shaft is inserted into the lower side adjacent to the first control shaft and the first support shaft, respectively. Frame for bending the border of the packing box. The method of claim 1, The first adjustment shaft and the second adjustment shaft are formed in a semi-circular inward flow prevention groove is formed around the outer periphery of the central portion, and the screw-shaped right-hand thread and left-hand thread extending from the flow prevention groove to both ends As it is formed, When the first and second adjustment shaft is rotated, the frame for bending the frame of the packaging box, characterized in that the first and second moving blocks to slide simultaneously to the opposite side opposite to each other. The method of claim 1, In the first adjustment shaft and the second adjustment shaft, a rack screw thread is formed continuously throughout the longitudinal direction in a predetermined range at each of the outer peripheral edges thereof, On one surface of each of the first and second moving blocks, a communication hole penetrates through a predetermined range of each upper portion of the first and second adjustment shafts is formed. In the communication hole, by further inserting and assembling the pinion bolt rotated in meshing with the rack screw thread, each of the pinion bolt is rotated individually to enable the slide movement of the first and second movable blocks independently. The frame for bending the frame of the packaging box. The method of claim 1, On the bottom surface of the first and second moving blocks, grooves bent inwardly upwards therefrom are formed, respectively. Locking blocks for stopping control of the first, second, third and fourth bending molds are further assembled by pressing the outer peripheral edges of the first and second support shafts while being fitted into the grooves. Frame for bending the frame of packaging box. The method of claim 1, On the outer surface of each of the first, second, third and fourth bending molds, an extension plate is attached to the outer surface of the first, second, third and fourth bending molds to further form an additional expansion size. Frame for bending the frame of packaging box. The method of claim 3, wherein On one side of the outer surface of the support stand, a bearing bolt for screwing through the screw fastening method so that the front end is inserted into the flow preventing groove formed inwardly in an arc shape around the outer periphery of the central portion of the first and second adjustment shaft , The frame for bending the frame of the packaging box, characterized in that the middle portion of the 1,2 adjustment shaft is fixed so as not to be biased toward any one side. The method of claim 4, wherein One end of the first and second adjustment shafts, the first and second moving blocks using the right and left threads can be rotated in a clockwise / counterclockwise direction so as to allow movement of the first and second moving blocks. Frame for bending the frame of the packaging box characterized in that the wrench groove is formed. The method of claim 6, The locking block has a shaft pressing hole having a diameter equal to a diameter of the first and second support shafts inserted and assembled at the lower end of the first and second moving blocks, and formed at one side thereof. Spaced intervals cut from the shaft pressing hole to the outer wall surface are formed on one side, By narrowing the separation interval to finely reduce the inner diameter size of the shaft compression hole, a tightening bolt capable of pressing one outer peripheral portion of the first and second support shafts is screwed vertically upward from the bottom surface where the separation interval is located. Frame for bending the frame of the packaging box characterized in that the fastening assembly.

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