JP2672764B2 - Punching die installation preparation device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is mainly used for preparing a punching die for punching a sheet for making paper containers into a desired shape. Regarding the device.

[0002]

2. Description of the Related Art A punching die used in the process of punching a corrugated cardboard sheet into a desired shape to produce a paper container or the like is composed of a flat plate-shaped upper die and a lower die, which are vertically opposed to each other. A ruled line pushing blade for pushing a ruled line on a sheet to be processed (corrugated cardboard sheet) and a punching blade for forming a punching line are planted in the mold. The punching die is attached to the lower surface of the die supporting portion of the sheet punching device by a die supporting frame, and the punching die along with a guide rail or the like provided in the punching device together with the die supporting frame depending on the work situation. It is pulled out to the outside so that it can be replaced with the required punching die (hereinafter referred to as punching die).

In order to mount the punching die on the punching die supporting portion of such a punching device, it is necessary to attach the punching die downward to the punching die supporting portion. For this purpose, this punching die is prepared by temporarily setting the punching blade upward and then reversing the die so that the punching blade faces downward and is mounted on the punching die support of the sheet punching device. As a means for easily performing such an operation, for example, a device for preparing a punching die as known from JP-B-64-9160 has been proposed and put into practical use.

In this prior art, when the die supporting frame having the punching die to be replaced is supported and inverted, the die supporting frame having the punching die attached to the punching die supporting portion of the sheet punching device is replaced. As a support structure that can be sent in or can be easily pulled out for replacement, it is formed on a support frame body that holds the entire die support frame to which the punching die is attached. The support frame is configured to rotatably support the center portions on both sides of the support frame.

[0005]

SUMMARY OF THE INVENTION A prior art apparatus for preparing a punching die, such as the one described above, provides a punching die 18
Since the supporting frame body of the die supporting frame to which the punching die is formed for reversing 0 ° becomes large, the apparatus becomes large in size as a whole. Moreover, since lock means for fixing the die support frame having the punching die attached to the support frame body is provided at both ends, it is difficult for an operator to operate the lock means from one side. Therefore, the operator has to move from the operation side of the apparatus to the opposite side to attach and detach the locking means, which is very inconvenient. In particular, since the position where this device is installed is an extremely narrow place, the operation of the above-mentioned locking means is often performed through the lower side of the device. In short, there is a problem in workability when installing in a narrow space. Further, since the rotational inertia when reversing the support frame becomes large, a braking mechanism is required, and the rotation support portion of the stand is also required to have a sturdy structure. As a result, it is inevitable that the overall cost will be high.

In view of such a situation, the present invention reduces the size of the supporting portion of the die supporting frame of the punching die and provides a simple structure in which the punching die can be easily exchanged and prepared for attachment without being subjected to an excessive load. It is an object of the present invention to provide a punching die mounting preparation device.

[0007]

Means for Solving the Problems] To achieve the above object, punching die mounting preparation device of the present invention, (a) a pair of support stand erected at a required interval, (b) the pair a pair of mold having a mold support frame受支unit vertically two rows the sides of the center of rotation to face at the top, each rotatably supported by the side made to match the rotation center on the same axis line of the support stand support frame holding member, (c) detachably locking member and the recess that will be formed on the side of the provided type supporting frame in rotation around the center of the mold support frame holding member; (d) type support frame holding member Is provided near the end of
The mold supporting frame is sandwiched between the mold supporting frame receiving and supporting portion and fixed.
It is characterized by including a locking mechanism for setting.

[0008] In the invention, the operating side one of the pair of mold support frame holder, the operability is good and so that in this operating side providing the lock mechanism. It may be provided on both of the mold supporting frame holders. In this case, it is convenient that the locking mechanism of the mold supporting frame is configured to be operated in cooperation with each other for easy handling. The locking member is a locking roller
Ri, the mold support frame受支portion includes a receiving roller for receiving the side frame of the type supporting frame each provided appropriate distance apart on both sides of the locking roller, the lock mechanism receives the <br It is freely contact and leave the side frame portion to face the /> roller
It should have a cam . Further, it is preferable to be provided with positioning means for restricting the rotation position of at least one of the mold support frame holding member. Where the positioning hand
The steps have positioning holes in the horizontal and vertical positions.
The holding plate fixed to the support stand and the mold support frame holder back
It is supported by a holding frame provided later so that it can move back and forth, and
Positioning shaft whose tip fits into the positioning hole of the holding plate
Consists of a pin and its positioning shaft pin removal operation piece
Is preferred.

[0009]

According to the punching die mounting preparation device of the present invention having the above-described structure, the middle portions of the die supporting frames are arranged in the upper and lower two rows of the die supporting frame supporting portions provided on the pair of die supporting frame holders. At the same time as being supported
The vicinity of the rotation center is locked, and the required distance from the rotation center
The mold support frame at a position spaced away is locked mechanism by ready work punching die holds the mold supporting frame without requiring a large supporting frame body because it is locked held. Therefore, the mold support frame受支portion arranged on the lower mold support frame holding member, allows ready replacement by holding the mold support frame with the following punching die until the next replacement. Then, when exchanging the punching die, pull out the die supporting frame having the used punching die from the die supporting portion of the punching device at the upper empty die supporting frame receiving and supporting portion, and then the die supporting frame having the punching die is provided. Introduced into the upper mold support frame receiving and supporting part, the locking member and
The lock mechanism to fix the mold support frame on the mold support frame holding member. After that, the mold support frame holder provided with the punching die previously prepared is turned over by 180 ° and the punching die to be used next is turned downward, and the lock mechanism of the die supporting frame having the punching die is used. It is released and fed into the die support of the punching device. As described above, according to the present invention, when the mold supporting frame is attached to and detached from the mold supporting frame holder, the lock mechanism of the mold supporting frame may be operated in the vicinity of the support stand, so that workability is improved.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a punching die mounting preparation device of the present invention will be described with reference to the drawings. FIG.
2 is a front view of the punching die mounting preparation device of the present invention, FIG. 2 is a plan view of the punching die mounting preparation device of the present invention, and FIG. 3 is a punching die mounting preparation device of the present invention. FIG. 4 is an enlarged front view of a main part, FIG. 4 is a central vertical cross-sectional view of FIG. 3, FIG. 5 is a perspective view of a mold support frame for mounting and supporting a punching mold used in this embodiment, and FIG. FIG. 3 is a perspective view showing a relationship between a punching die mounting preparation device and a punching die mounting portion of a sheet punching device according to the present invention.

The punching die mounting preparation device 10 of this embodiment shown in FIGS. 1 to 4 is a pair of stand frames (supporting stands) 11 and 11 which are erected at predetermined intervals.
A pair of mold support frame holders 15 and 15 'rotatably supported by bearings 13 and 13 with the same axis through brackets 12 and 12' attached to the upper ends of the mold support frame holders 15 and 15 ', respectively. Body 15,
Formed by mold supporting frame receiving and supporting portions 20, 20 and a lock mechanism 30 of the mold supporting frame, which are symmetrically attached to opposite surfaces of 15 ', and a rotating operation means 40 of the mold supporting frame holders 15, 15'. Has been done. The distance between the mold supporting frame receiving and supporting portions 20, 20 provided on the surfaces of the pair of mold supporting frame holders 15, 15 'facing each other corresponds to the width of the known mold supporting frame 1 to be handled. The respective parts are arranged so as to have dimensions.

The axial center positions of the bearings 13, 13 in the brackets 12, 12 'attached to the upper ends of the stand frames 11, 11 are set to a height at which the middle portion of the mold support frame 1 to be handled is supported and can rotate. . Then, a handle 41 as a rotating operation means 40 is fixed to one end of a support shaft 14 supported by a bearing 13 attached to the operation side bracket 12.

The pair of mold supporting frame holders 15 and 15 'are fixed to the ends of supporting shafts 14 and 14' which are supported by the brackets 12 and 12 'through bearings 13 and 13, respectively. The structure is such that the square face plates 18 and 18 are attached to the front surfaces of the holding frame members 16 and 16 'that are open vertically and project inward, with their inner surfaces being vertical. Both the one side of each side plate 18 (the surface of the inside) to perpendicular to the rotation center to the longitudinal direction of the passing Risono plane board 18
Two upper and lower engaging rollers 19a and 19b are rotatably axially supported on the line of the direction (hereinafter, referred to as the minor axis direction) with the center of rotation therebetween. And the double-sided boards 18 , 18 receive
Forming frame receiving and supporting portions 20, 20 including rollers 21, 21 and auxiliary receiving rollers 23, 23 are provided. Where the receiving low
La 21 and 21, as shown in Figure 3, the locking roller 19
A and 19b are on the left and right sides, and the length of the face boards 18 and 18 is the appropriate size.
Direction (hereinafter, referred to as the major axis direction) , the receiving rollers 21 and 21 are positioned at positions slightly offset outward in the minor axis direction from the axial center positions of the locking rollers 19a and 19b, respectively. It is rotatably supported by two pairs of upper and lower parts. These receiving rollers 21 and 21 are arranged so that the left and right are paired, and the left and right are paired so that their axial centers are aligned at positions equidistantly outside from the center line of the face plate 18 in the long axis direction.

Positioning is performed on the mold supporting frame holder 15 on the operating side so that it can advance and retreat in the axial direction of at least one (two in the specific example) parallel to the support shaft 14 and is always biased in the forward direction. A shaft pin 46 is attached to the holding frame body 16, and the tip end of the positioning shaft pin 46 is provided in a positioning hole 47a that determines the horizontal position and the standing position of the holding plate 47 fixed to the bracket 12 at the upper end of the stand frame 11. Positioning means 45 is provided which is removably engaged and positioned. In the figure, reference numeral 46a is a propelling spring for the positioning shaft pin 46, 48 is a positioning shaft pin advancing / retreating operation link, and 49 is a positioning shaft pin detaching / operating piece. Incidentally, as the positioning means 45, any other method such as a method using a manual locking tool can be adopted.

Further, the pair of mold supporting frame holders 15 and 1
5'At least on the operating side of the mold support frame locking mechanism 3
0 is attached. The lock mechanism 30 of this mold support frame is
A cam 33 supported by a shaft 32 on the face plate 18 so as to be rotatable by an operation of a handle 31 at a position closer to the outer side in the minor axis direction of the face plate 18.
A pair of right and left are provided so as to face each of the receiving rollers 21, and when the cams 33 are rotated by about 90 °, the side frames 1 ′ of the mold supporting frame 1 can be held by the receiving rollers 21 facing each other. ing. The shape of the cam 33 is not particularly limited. Further, the lock mechanism 30 of the mold support frame
In the case of providing only on the operating side, the illustration is made at the positions facing the receiving rollers 21 and 21 at intervals such that the side frame portion 1'of the mold support frame 1 can pass through the face plate 18 on the side opposite to the operating side. An auxiliary receiving roller that is not provided is provided.

Next, the operation of the punching die mounting preparation device 10 of the present invention thus constructed will be described. The punching die mounting preparation device 10 of the present embodiment is installed in the vicinity of the punching die loading / unloading position of the punching device, and is guided by the guide mechanism of the die support frame on the fuselage side so that the punching die taken out from the punching position of the fuselage can be received. A pair of mold support frame holders 15 and 15 ', which are the main parts, are placed in. As the mold support frame 1 used in this embodiment, as shown in FIG. 5, a mold support frame 1 in which a concave portion 3 is provided at the central position of the side frame portion 1'in the long axis direction is used. In addition, in the case where the concave portion 3 is not provided, the concave portion 3 is formed again at the position and used.

In order to prepare the punching die by the punching die mounting preparation device 10 of the present embodiment, a pair of die supporting frame holders 15 and 1 are used.
After the die 5'is fixed by the positioning means 45 so that the die supporting frame receiving and supporting portions 20, 20 are in a horizontal state, the punching die to be used next in another step is attached to the die supporting frame 1 by a well-known means. The die supporting frame receiving and supporting portions on the lower side of the pair of die supporting frame holders 15 and 15 'so that the punching die faces upward.
It is made to be supported by 20, 20. At this time, the die supporting frame 1 to which the punching die is attached has the long side axial frame portions 1 ', the die supporting frame receiving portions 20, 20 of the die supporting frame holders 15, 15', the receiving rollers 21, Guided and supported by 21. Then, the mold support frame 1 stops the movement of the mold support frame 1 at a position where the concave portion 3 at the center of the side frame portion 1 ′ engages with the locking roller 19a, and the cam 33 is held by the handle 31 of the lock mechanism 30. It is rotated in the direction indicated by arrow a in FIG. Then
The side frame portion 1 ′ is sandwiched by the cam 33 and the receiving roller 21, and at the same time, the engaging roller 19 a and the concave portion 3 are engaged and supported and fixed at three points. In this state, the mold supporting frame 1 equipped with the punching mold has a middle portion with a pair of mold supporting frame holders.
15 and 15 'held by both mold supporting frame holders 1
Formed integrally by the mold support frame 1 held by 5, 15 '.
Therefore, since the punching die faces upward and is stably held, the punching blade, the ruled line pushing blade and the like can be freely adjusted and can be waited for replacement.

The punching die taken out from the punching device 5 at the time of exchanging the punching die is, as shown in FIG. 6, a guide mechanism 6 provided on the fuselage side together with the die support frame 1 (to the brackets 8 and 8 on the fuselage side portion). A pair of arms 6b and 6b that can be opened and closed by hinges 6a and 6a are provided with a plurality of guide rollers 6c on their inner surfaces, and pulled out from the guides 7 and 7 of the die support frame 1 having a punching die. A pair of mold support frame holders 1 that are pulled out to the outside and are waiting in the above-described state.
It is received by the upper and lower mold supporting frame receiving portions 20, 20 of the 5, 15 '. At this time, the die support frame 1 to which the punching die is attached
The two side frame parts 1'in the longitudinal direction of the mold support frame holder 15,
15 'Upper mold support frame support 20, 20 Support rollers 21, 2
1, and is supported and guided on the auxiliary receiving roller 23. Then, the movement of the mold supporting frame 1 is stopped at a position where the concave portion 3 at the center of the side frame portion 1'of the mold supporting frame 1 engages with the locking roller 19a, and the operation by each handle 31 of the lock mechanism 30 is performed. When the cam 33 is rotated in the direction shown by the arrow a in FIG. 3 in the same manner as described above, the side frame portion 1 ′ is caused by the cam 33 and the receiving roller 21.
Are sandwiched (state represented by the lower half of FIG. 3) and, at the same time, fixed by the engagement between the locking roller 19a and the recess 3. In this state, the mold support frame 1 including the punching mold is held downward.

Therefore, the mold support frame holders 15 and 15 'are unlocked by the positioning means 45, and the stand frame
When the handle 41 on the operating side of 11 is rotated, both mold supporting frame holders 15 and 15 'are taken out from the punching device held by the upper and lower mold supporting frame receiving and supporting portions 20 and 20 of the mold supporting frame. 1 and the mold supporting frame 1 provided with the punching mold prepared are both rotated around the supporting shafts 14 and 14 '. Therefore, when the mold support frame 1 positioned on the upper side is held horizontally by the positioning means 45 again after being turned over by 180 °, the punching mold moved to the upper side becomes a posture that can be attached to the punching device. Therefore, the upper mold supporting frame 1 is operated by reversely operating the handle 31 of the lock mechanism 30 for the upper mold supporting frame 1 to reversely rotate the cam 33 to release the lock, and then the guide mechanism on the punching device side. 6 is placed in a state where it can be received by the mold support frame 1 (when it is not used, it is rotated by the hinge 6a to be closed), and is sent as it is to the punching die mounting position and fixed by a known means for use. The mold supporting frame 1 having the replaced punching mold is held by the mold supporting frame receiving and supporting portion 20 below both mold supporting frame holders 15 and 15 'of the attachment preparing device 10 with the punching mold facing upward. Therefore, in this state, the used punching die is removed from the mold supporting frame 1, and the next punching die is replaced on the mold supporting frame 1 to shift to the next preparation. Since the place is narrowed until the punching die replacement work from the punching device as described above, a new punching die may be attached to the die supporting frame holders 15 and 15 'if necessary. If it is rotated by 90 ° and fixed by the positioning means 45, the installation place can be effectively used.

In the above description, the die supporting frame holder 15 of the die supporting frame 1 in the punching die mounting preparation device 10 of this embodiment,
The guide roller 15 of the mold supporting frame receiving / supporting portions 20 and 20 is used to guide the mold supporting frame receiving / supporting portions 20 and 20 of the mold supporting frame 15 ′.
As shown in FIG. 7, it is also possible to detachably attach the guide roller 52 to the tip of the arm 51 having an appropriate length, as shown in FIG. By doing so, it is possible to facilitate the guide when the mold support frame 1 is mounted and held on the mold support frame holders 15 and 15 '. Further, regarding the lock mechanism 30 of the mold support frame 1 described above, the lock mechanism 30 is provided on both mold support frame holders 15 and 15 'in a manual configuration, and also shown on both mold support frame holders 15 and 15'. The pressing pieces that are operated by the electromagnetic solenoids are arranged opposite to the receiving rollers 21 respectively, and the operation side operates the electromagnetic solenoids to operate the pressing pieces and the receiving rollers.
The workability can be made easier by allowing the lock mechanism to be simultaneously operated by 21 and.

In the above description of the embodiment, the mold support frame 1
In the case of using the side frame portion 1 ′ of which the concave portion 3 is provided on the upper surface side, instead of the concave portion 3, the left and right side frame portions 1 ′,
A locking hole (not shown) is provided at the center of each outer side surface of 1 ', and the mold supporting frame receiving and supporting portions 20, 15' of both mold supporting frame holders 15, 15 'are provided.
A locking pin (not shown) that can be moved forward and backward from the center of 20
Are provided respectively, and these locking pins are fitted into the locking holes of the side frame portion 1 ′ of the mold supporting frame 1 so that both mold supporting frame holders 1
It is possible to hold the mold supporting frame 1 provided with the punching dies at 5, 15 '.

[0022]

As described above, according to the present invention, the holding portion of the die supporting frame is compactly assembled as a device for preparing the punching die, and the die supporting frame is mounted and fixed to the holding portion or fixed thereto. Since the release operation can be performed near the rotation support part, workability is facilitated. Further, since the holding portion of the mold support frame can be downsized, the rotational inertia at the time of reversing operation of the mold support frame does not become large, so that it can be an economical device.

[Brief description of the drawings]

FIG. 1 is a front view of a punching die mounting preparation device of the present invention.

FIG. 2 is a plan view of a punching die mounting preparation device of the present invention.

FIG. 3 is an enlarged front view of a main part of the punching die mounting preparation device of the present invention.

FIG. 4 is a central longitudinal sectional view of FIG. 3;

FIG. 5 is a perspective view of a die support frame for attaching and supporting a punching die used in this embodiment.

FIG. 6 is a perspective view showing a relationship between a punching die mounting preparation device and a punching die mounting portion of the sheet punching device according to the present invention.

FIG. 7 is a view showing a mode in which auxiliary guide means is attached to the die support frame holder in the punching die installation preparation device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mold support frame 1'Side frame part of mold support frame 3 Recessing recess provided in the mold support frame 5 Punching device 6 Guide mechanism for mold support frame (punching die) 10 Punching die mounting preparation device 11 Stand frame (Support stand) 12 Bracket 14 Support shaft 15, 15 'Mold support frame holder 16 Holding frame body 18 Face plate 19a, 19b Locking roller (locking member) 20 Mold supporting frame receiving / supporting portion 21 Receiving roller 30 Form supporting frame Locking mechanism 31 Handle 33 Cam 41 Handle 45 Positioning means 46 Positioning shaft pin 47 Holding plate 47a Positioning hole

Claims (6)

(57) [Claims] 1. A (a) a pair of support stand erected at a required interval, (b) the center of rotation opposite to the same axis at the top of this pair of support stand rotatably respectively made to match A pair of mold supporting frame holders supported on the inner side surface and having mold supporting frame receiving and supporting portions in upper and lower two rows with the center of rotation interposed therebetween; (c) a mold supporting frame provided near the center of rotation of the mold supporting frame holder . A locking member that can be engaged with and disengaged from a recess formed in a side portion, and (d) is provided at a position near the end of the mold support frame holder.
The mold supporting frame is sandwiched between the mold supporting frame receiving and supporting portion and fixed.
A punching die mounting preparation device comprising a locking mechanism for setting. As wherein operating side one of the pair of mold support frame holding member, punch die mounting preparation device according to請<br/> Motomeko 1 wherein lock mechanism is provided on the operating side. Wherein the lock mechanism, both types support frame punching die mounting preparation device according to claim 1 that is configured to be operated in conjunction provided in the holding member. 4. The locking member is a locking roller,
Mold support frame受支unit receives the side frame of the mold support frame respectively provided appropriate distance apart on both sides of the locking roller
Receiving comprises rollers, the locking mechanism have a cam which is freely contact and leave the side frame portions opposite to each receiving roller
Punching die mounting preparation device according to any one of claims 1 to 3, is intended to. 5. A positioning means for restricting the rotation position of at least one of the mold support frame holding member is that provided claim 1-4
5. A punching die mounting preparation device according to any one of 1. 6. The positioning means is movably supported by a holding plate provided with positioning holes at horizontal and vertical positions and fixed to a support stand, and a holding frame body provided behind the mold support frame holder. The punching die mounting preparation device according to claim 5, wherein the punching die mounting preparation device comprises a positioning shaft pin having a tip fitted into a positioning hole of the holding plate, and the positioning shaft pin external removal operation piece.