JPH0219268Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to an apparatus for manufacturing a case file for storing documents and the like arranged in a drawer of an office cabinet.

(Prior Art) Conventionally, as shown in FIGS. 1 and 2, this type of case file has been made of a narrow width whose long sides extend left and right and whose central part in the front and back direction projects upward and is formed into a chevron shape. A bottom surface part a, a rectangular front part b and a rear face part c that are erected at the front and rear ends of the bottom surface part a, and the longitudinal sides thereof extend vertically and the central part in the front and rear direction is recessed inward to form a chevron shape. It has narrow side parts d and d which are connected to both ends of the front and rear parts b and c at the front and rear ends, and the front part b is arranged in a drawer of an office cabinet or the like with the front part b facing the pull side. Documents, etc. are stored between the front and rear parts b and c, and the bottom part a is
A case file A made of cardboard is known in which the amount of documents stored can be freely changed by expanding the front and rear storage width by bending and stretching the side portion d.

When manufacturing such a case file A, as shown in FIG. 3, the case file material B formed into the developed shape of the case file A is bent to form each of the above-mentioned surface portions a. ing. That is, the case file material B has a front part b and a rear part c connected to each other through folds lb and lc at the front and back of a bottom part a, which has a longitudinal folding line ta in the center in the front-rear direction. Side pieces d 1 and d 2 are connected to both ends of portion b and rear portion c at corresponding positions in front and rear portions b and _{c via folds l 1 and l 2 , respectively ,} and side pieces d on both sides of front portion b ₁ , d A gluing piece e is connected to the side edge of ₁ via a folding line te,
Front and rear parts b and c at the folds lb and lc of the bottom part a above
and fold the bottom part a along the folding line la of the bottom part a.
Fold it into a chevron shape at
Fold d ₁ and d ₂ inward at creases l ₁ and l ₂ and fold back glued piece e along folding line te to form the side piece of rear part c.
Gluing is applied to d ₂ so that the side surface d is formed by the side pieces d ₁ and d ₂ of the front and rear surfaces b and c.

In this case, the apparatus for manufacturing the case file material B into the case file A includes a front and rear surface folding device that folds the front and rear surface parts b and c of the case file material B at the fold lines lb and lc, and a front and rear surface folding apparatus that folds the bottom surface part a. A bottom folding device that folds back at line ta, front and rear parts b,
a side piece folding device for folding the side pieces d ₁ and d ₂ of c inward at fold lines l ₁ and l ₂ ; a gluing piece folding device for folding the gluing piece e along the folding line te; and the gluing piece It is conceivable to have a gluing device for gluing e to the side piece _d2 to form the side surface part d.

However, in this case, the crease on the bottom part a
lb, lc, folding lines ta, and folds l ₁ , l ₂ of side pieces d ₁ , d ₂
and the folding line te of the gluing piece e are orthogonal to each other, so the first line in which the front and back folding devices and bottom folding devices are arranged in the front and back, the side piece folding device, the gluing strip folding device, and the gluing device and a second line arranged in a row in an L shape,
The case file material B is intermittently fed horizontally one by one to the first line with its side pieces d ₁ and d ₂ facing forward, and is conveyed forward, and the front and rear surfaces b and c are bent, and the bottom surface portion a is folded back. After this is carried out by each device, the case file material B with the front and rear surfaces b and c folded is transferred laterally and is fed and conveyed to the second line in a horizontal state with the bottom surface portion a on the side. , the bending of the side pieces d ₁ and d ₂ , the folding back of the gluing piece e, and the gluing of the gluing piece e are carried out by each device. Therefore, due to the configuration of the manufacturing apparatus in which a large number of devices are arranged in an L-shape, there is a problem in that the installation space for the manufacturing apparatus becomes extremely large.

Therefore, in order to solve this problem, a direction changing device is installed between the first line and the second line to rotate the case file material B sent out from the first line by 90 degrees horizontally. Then the second
By arranging the first and second lines in a line so as to supply the liquid to the line, it is also possible to configure a compact manufacturing apparatus that requires less installation space.

However, this method has disadvantages in that the manufacturing equipment is large-scale due to the direction changing device, and the cost is high.

(Purpose of the invention) The purpose of the invention is to perform the above-mentioned bending, folding, and gluing of each part of the case file material while conveying the case file material in one direction without changing direction. The object of the present invention is to provide a compact and low-cost case file manufacturing device.

(Structure of the invention) In order to achieve the above object, the solution means of the invention includes a narrow bottom part having a folded line in the longitudinal direction at the center in the front and back direction, and a narrow bottom part connected to the front and back of the bottom part through folds. a substantially rectangular front part and a rear part;
side pieces connected to both ends of the front and back parts via fold lines at corresponding positions on the front and back parts, and gluing pieces connected to the side ends of either one of the front and rear parts through folding lines. Fold the front and rear parts of the case file material at the fold line of the bottom part, fold the bottom part into a chevron shape along the fold line of the bottom part, and fold the side pieces of the front and rear parts inward at the fold line. An apparatus for manufacturing a case file whose front and rear storage width can be expanded by bending and gluing a piece back along a folding line and gluing it to the other side piece, comprising: A paper feeder that intermittently feeds one sheet at a time horizontally at the front () A front-stage conveyance device that is connected to the front end of the paper feeder and transports the case file material sent from the paper feeder from horizontally forward to vertically downward. () A receiving member that is provided opposite to the lower end of the front-stage transport device and receives and holds the case file material falling downward from the front-stage transport device in a vertical state. A bottom folding device that simultaneously bends the face part and folds back the bottom part and projects the case file material with the bottom part forward with the rear part folded onto the front part, and which has the following (--
Consisting of 1) to (-4) (-1) The case file material is arranged at the rear of the receiving member and is vertically supported by the receiving member by pressing forward the two folds on the bottom of the case file material. Two folding plates (upper and lower) that are movable in the front and rear directions of bending (-2) A first drive device that reciprocates the folding plates in the front and rear directions (-3) Disposed in front of the receiving member, and by rotating backwards A folding plate that is swingable in the front-rear direction and is folded by pressing the folding line of the bottom part backwards (-4) A folding plate that rotates backward when the folding plate starts to fold by moving the folding plate forward. A second drive device () that swings back and forth so as to position the folding plate in the forming position and, when the folding plate moves further forward, rotate forward and position it in the retracted position.The starting end is opposite to the protruding position of the bottom folding device. A rear transport device () is arranged horizontally in front and transports the folded case file material protruding from the bottom folding device forward; A folding and folding device () for bending and folding back the gluing piece; A gluing device that is installed on both sides of the downstream conveyance device and applies adhesive to the gluing piece and joins the gluing piece to the corresponding other side piece; ) to ().

As a result, the case file material is transported along the forward or vertically downward transport direction from the sheet feeder, the pre-transfer device to the receiving member, and in the bottom folding device, the folding plate driven by the first drive device and the second After the front and rear surfaces are folded and the bottom surface is folded back by a folding plate driven by a drive device, the rear-stage conveyance device transports the front side pieces forward, and the folding and folding device bends the side pieces. The gluing strip is folded back, and a gluing device applies adhesive to the gluing strip and joins the side pieces.

(Effect of the invention) Therefore, according to the invention, the paper feeding device, the front-stage conveyance device, the receiving member, the bottom folding device, the rear-stage conveyance device, the folding and folding device, and the gluing device are arranged in a line facing the front. The case file material is conveyed either forward or vertically downward to bend, fold back, and glue each part, so the manufacturing equipment is configured with an L-shaped arrangement of two lines as in the past. There is no need to install a large-scale direction changing device, and therefore it is possible to provide a case file manufacturing device that requires less installation space and is advantageous in terms of cost.

(Example) Hereinafter, an example as a specific example of the technical means of the present invention will be described in detail based on the drawings.

In the following explanation, an example will be shown in which the present invention is applied to an apparatus for manufacturing case file A from case file material B similar to the conventional example described above, and parts of case file material B and case file A will be designated by the same reference numerals. Attach. FIG. 4 shows a case file manufacturing apparatus M as an embodiment of the present invention. The manufacturing device M is located at its starting end (right end in FIG. 4)
The case file material B supplied from is transported forward (to the left in the figure) as shown by the arrow in the figure, and each part a of the case file material B is molded from the terminal end (left end in Figure 4). It is something to send out.

Reference numeral 1, 1 denotes a frame plate made of thick steel plate that stands in parallel on the left and right, and at its starting end there is a paper feeder 10 that feeds the case file material B forward one by one.
is provided. As shown in FIGS. 4 and 5, the paper feeding device 10 includes a chain conveyor 101 that is vertically installed at the front and rear ends and rotates upward, and a chain conveyor 101 that is attached to the chain conveyor 101 at the front and rear ends, and a chain conveyor 101 that rotates upward. Case file material B with front part b facing forward
... are stacked, a control device (not shown) that controls the circulation of the chain conveyor 101 so that the uppermost case file material B is positioned at a predetermined height position, and the lift board 102 A slider 103 is provided above and reciprocates in the front and back direction at a predetermined period T via a piston crank mechanism, and a slider 103 is attached to the lower side of the slider 103 corresponding to the predetermined height position and the slider 103 is at a rear stop position. and a stack feeder 104 that holds the uppermost case file material B by vacuum suction while moving forward from the lift plate 102 to the front stop position, and moves the case file material B on the lift plate 102 to the uppermost stage. The stack feeder 104 at the rear stop position sequentially suctions and holds the objects and transports them by moving the slider 103 forward, and then releases them at the front stop position. It is constructed so that it can be supplied intermittently to the front.

In addition, 105 is a regulating member for regulating the case file material B to a predetermined position, and the adjusting device 10
6, it can be moved left and right to accommodate case file materials B having various shapes.

In front of the paper feeding device 10, a pre-stage conveyance device 20 is arranged which conveys the case file material B supplied by the paper feeding device 10 vertically downward from the front. The first-stage conveyance device 20 includes a feed device 210 that is provided at its starting end and takes over the supplied case file material B, and a feed device 210 that is provided in front of the feed device 210 and rotates forward at a synchronous speed v to collect the case file material B. A horizontal belt conveyor 230 that transports the file material B forward; and the horizontal belt conveyor 230.
A vertical belt conveyor 240 is disposed in front of the belt wheel 241 and rotates from the rear to the front vertically downward at a synchronous speed v along the outer periphery of the belt pulley 241 on the starting end side to convey the case file material B from horizontally forward to vertically downward. It is configured.

The feed device 201 is shown in FIGS. 5 to 7.
As shown in the figure, a spring 211 whose front end is pivotally supported by the frame plates 1, 1 in front of the paper feeder 10 so as to be able to swing vertically, and whose rear end is interposed between the frame plate 1 and the frame plate 1. The set arm 212 is held slightly lifted upward by the
When the rear end of 12 is lowered, a feed roller 214 is rotatably driven around the drive roller 213 which is pivotally supported on the frame plate 1, and the front end of the feed roller 214 swings in the vertical direction on the support shaft of the feed roller 214. a press arm 217 which is freely pivoted and has a fork-shaped rear end that is biased downward by a spring 215 stretched between it and the set arm 212, and has a stopper part 216 that stops the downward movement at a predetermined position; ,
Set arms 21 are supported at the rear ends of the press arms 217 at equal intervals in the left and right direction from the feed roller 214 and are supported at opposite positions.
When the rear end of 2 is lowered, the feed roller 214
The press roller 21 that contacts the idle roller 218 that is pivotally supported on the frame plate 1 prior to the circumferential contact of the press roller 21
9, 219, the upper end of which is placed on the upper surface of the middle part of the set arm 212, moves reciprocally in the vertical direction by a cam that slides into contact with the lower end, and moves downward in synchronization with the completion of the forward movement of the slider 103 to the forward stop position. The sheet feeding device 1 is provided with a pressing rod 220 that presses down the middle part of the set arm 212 and lowers the rear end of the set arm 212.
The case file material B supplied from 0 so that the front part b is positioned on the drive roller 213 is pressed and held by the descending press rollers 219, 219 and the idle roller 218, and then is pressed against the biasing force of the spring 215. The feed roller 2 descends together with the set arm 212 which then descends further.
14 and a drive roller 213, and is configured to be held and conveyed forward.

Incidentally, provisional folding devices 250 as shown in FIGS. 8 and 9 are provided on both left and right sides of the horizontal belt conveyor 230. The bending device 250
The case file material B is conveyed forward at a synchronous speed v by sandwiching the front and rear surface parts b and c of the case file material B, which are arranged vertically facing each other and rotated forward and conveyed by the horizontal belt conveyor 230, between opposing belts. The belt conveyor 251 is installed on the outside of the belt conveyor 251, and the side pieces d ₁ and d ₂ of the case file material B, which is conveyed forward at the lower end thereof, are guided downward through the folds l ₁ and l ₂ . Bending guide piece 252 to be bent
~ 256, and a folding operation in which the bent side pieces d ₁ and d 2 arranged outside the terminal end of the belt conveyor 251 are guided upward and the side pieces d ₁ and _{d 2 are} returned to the horizontal position before bending. It consists of a guide piece 257, and the above-mentioned folds l ₁ and l ₂
I temporarily bent it to make it fit.

Vertical belt conveyor 2 of the above-mentioned front-stage conveyance device 20
A receiving member 30 as shown in FIGS. 10 and 11 is disposed below the vertical belt conveyor 240 and opposite the terminal end of the vertical belt conveyor 240. The receiving member 30 includes a pair of supporting members 30 made up of two guide pieces, front and rear, which are erected with a slight distance between the front and rear.
1,301, a stopper piece 302 located between the guide pieces of the support member 301, and the support member 30
1,301, and the regulating member 303, 303 is formed in a U-shape with a cross section opening inward.
The case file material B falling from the terminal end of the vertical belt conveyor 240 with the front surface b facing downward is controlled by regulating members 303 and both left and right ends thereof.
303 for horizontal positioning, the front end is stopped by a stopper piece 302 for vertical positioning, and support members 301, 301 hold it in a vertical position.

In addition, 304 and 305 are the regulating members 303, respectively.
and an adjustment device for changing and adjusting the position of the stopper piece 302 according to the shape of the case file material B.

A bottom folding device 40 is disposed before and after the receiving member 30 for folding the front and rear surfaces b and c of the case file material B vertically supported by the receiving member 30 and folding back the bottom surface a. That is,
As shown in FIGS. 12 and 13, 401,
402 is a vertical belt conveyor 240 and a receiving member 3
The folding plates 40 are two folding plates, upper and lower, which are disposed so as to be movable in the front and back direction at the rear between the folding plates 40 and 0.
1,402 has a slider 40 at its rear end so that its front ends 401a, 402a can swing vertically.
3, and the slider 403 is supported by two slide rails 404, 404 extending in the front-rear direction.
The first drive device 405 is slidably provided on the top and is connected to a first drive device 405 consisting of a piston crank mechanism.
It is moved back and forth in the front and rear directions.

Furthermore, in the first drive device 405, cam followers 406, 407 that move back and forth together with the bending plates 401, 402 are connected at their front ends to the rear ends of the bending plates 401, 402. On the other hand, cam rails 409, 410 are disposed above and below the folding plates 401, 402, and have cam surfaces 409a, 410a extending in the front-rear direction and having cam surfaces 409a, 410a facing forward and increasing the amount of protrusion. The rear end of the cam follower 406 on the bending plate 401 side is the cam surface 410a of the lower cam rail 410.
, the cam follower 407 on the lower bending plate 402 side
The rear end is the cam surface 409 of the upper cam rail 409
The front ends 401a, 402a of the bending plates 401a, 402a are pressed against the bending plates 401, 402 by the biasing force of a spring 408 compressed between the bending plates 401, 402, respectively. They are configured to move toward each other following the cam surfaces 409a and 410a.

On the other hand, the vertical belt conveyor 240 and the receiving member 3
The above-mentioned bending plates 401, 402 are located in front between
A narrow folding plate 420 whose long side extends left and right is disposed facing each other. The folding plate 420
is fixed to the lower end of a swinging arm 421 whose upper end is pivotally supported by the frame plates 1, 1 so as to be able to swing in the front-rear direction, and the swinging arm 421 is connected to a second drive consisting of a link mechanism. It is connected to a device 422 and is swung back and forth with a period T by the second drive device 422, and when the folding plates 401 and 402 start to bend by moving forward, they oscillate as shown by the solid line in FIG. The movable arm 421 rotates rearward so that the rear end 420a is connected to the front end 401 of the folding plate.
a, 402a, and when the bending plates 401, 402 move further forward, the swinging arm 421 rotates forward as shown by the imaginary line in FIG. Part 4
20a is positioned at a retracted position above and in front of the folding position.

As shown in FIG. 12, when the case file material B is vertically supported by the receiving member 30, the two folds lb and lc of the bottom surface a of the case file material B move forward. Bending plates 401, 40
The rear end portion of the folding plate 420 is pressed forward by the front end portions 401a, 402a of the folding plate 420, so that the front and rear surface portions b, c are bent rearward, and the folding line ta of the bottom surface portion a is positioned at the folding forming position. By being pressed backward by 420a, the bottom part a is folded back into a chevron shape (X position in FIG. 12),
Further, as the folding plate 420 swings to the retracted position, the bottom part a, which has no inclusions on the front side, continues to move forward, and the folds lb and lc come into contact with each other due to the folding plate front ends 401a and 402a moving toward each other. The case file material B is then horizontally projected forward with the folded bottom surface a facing forward (Y position in FIG. 12).

In addition, in FIGS. 12 and 13, 43
0 and 431 are side support plates that support the left and right side ends of the case file material B during folding and forming of the bottom part a, and the side support plates 430 and 431 are
The rear end portions of the swinging arms 433, 434 are pivotally supported by the front end portions of the swinging arms 433, 434, which are pivotally supported by the fixed support shaft 432 so as to be swingable in the left-right direction. The other ends of links 435 and 436 that are connected between both swing arms 433 and 434 and move back and forth in the left and right direction in conjunction with each other are connected, and when the case file material B is vertically supported by the receiving member 30, The side support plates 430 and 431 that move inward support the left and right ends of the bottom part a of the case file material B, restricting the lateral movement of the bottom part a, and This allows for smooth folding. The fixed support shafts 432, 432 of the swing arms 433, 434 and the support shafts of the side support plates 430, 431 are linked via an endless belt 437, so that the swing of the swing arms 433, 434 Regardless of the side support plate 43
0,431 are arranged to face each other in parallel.

In addition, in FIG. 12, 438 and 439 are used to form the front end portion 401 of the folding plate when folding the bottom portion a.
This is a guide rod installed between the frame plates 1, 1 so as to guide the front and rear surfaces b, c of the case file material B, which move forward as the case file members a, 402a move forward, to bend rearward.

In front of the bottom folding device 40 is a case file material B that is projected from the bottom folding device 40.
A rear-stage conveying device 50 is arranged to convey horizontally forward. The latter stage conveyor 50 includes a central belt conveyor 501 which is disposed vertically facing each other at the center in the left-right direction between the frame plates 1 and 1 and rotates forward at a synchronous speed v, as shown by the broken line in FIG. It consists of side belt conveyors 502, 502 which are disposed vertically opposite to each other on the left and right sides of the front stage of the central belt conveyor 501 and rotate forward at a synchronous speed v, and the rear part c is folded onto the front part b. The stacked case file materials B are held between opposing belts and conveyed horizontally forward.

As shown in FIGS. 14 to 16, on both sides of the latter conveyance device 50, there are folding folds for folding the side pieces d ₁ and d ₂ of the case file material B and folding back the gluing piece e. device 60,6
0 is placed. That is, 601 is a sub-frame plate installed inside the frame plate 1 in parallel with the frame plate 1, and the sub-frame plate 6
As shown in FIG. 15, on the outside of the starting end of 01, there is a crease guide member 602 that supports the folds l 1 and l 2 of the front and rear surfaces b and c of the case file material B that is transported forward, and a fold guide member 602 that supports the folds l ₁ and l ₂ of the front and rear surfaces b and c of the case file material B that is transported forward, and a fold guide member 602 on the side of the rear surface c. A bending guide member 603 that guides the piece d ₂ downward and bends it through the crease l ₂
Similarly, guide the gluing piece e downward to the folding line te.
A folding guide member 604 which is folded back via the folding guide member 604 is attached.

As shown in FIG. 16, the sub-frame plate 601 in front of the bending guide member 603 guides the side piece d ₁ of the front part b of the case file material B being conveyed forward upwardly and passes through the fold line l ₁ . A bending guide portion 605 for bending is formed in a protruding manner, and above the bending guide portion 605, a bending roller 606 having an inclined rotating shaft is pivotally supported. The bent piece _d2 is pressed and further bent inward.

Furthermore, as shown in FIGS. 17 and 18, in front of the folding and turning device 60 on both sides of the rear conveyance device 50, there is a gluing device for gluing the gluing piece e to the corresponding other side piece _d2. 70 are arranged. That is, the bending guide portion 6
As shown in FIG. 17, 05 is formed so that its angle of rise from the horizontal plane increases as it goes forward, and the side piece _d1 is bent further inward, and the bending guide portion On the outside of 605, there is a gluing piece e in contact with the side edge of the gluing piece e.
Gluing piece guide member 701 that holds the
is provided protrudingly on the subframe plate 601, and above the bending guide portion 605 is a rear surface portion c.
A side support piece 702 is attached to support the bent side piece _d2 and hold it in the bent state. The gluing piece guide member 701 is above the gluing piece guide member 701 and is pivotally supported by a support shaft in the left and right direction, so that the peripheral edge 703a contacts the upper surface of the gluing piece e held in the horizontal state and rotates at a synchronous speed v. A gluing roller 703 driven by the gluing roller 703 is disposed, and behind the gluing roller 703 there is a gluing roller peripheral portion 703a.
A reservoir 704 for supplying adhesive is arranged so that the adhesive can be applied to the gluing strip e.

In addition, in front of the gluing roller 703, an 18th
As shown in the figure, a joint is made in which the folding line ta of the bottom part a of the case file material B being conveyed forward is pressed inward by the peripheral edge part 705a which is pivotally supported by a support shaft erected on the sub-frame board 601. A roller 705 is disposed, and the side pieces d ₁ and d ₂ form a side part d by joining the gluing piece e coated with the adhesive to the corresponding other side piece d ₂ . There is.

Furthermore, a pressing device 80 for finishing forming the side surface portion d is disposed in front of the latter-stage conveying device 50. As shown in FIG. 4, the pressing device 80 consists of a belt conveyor that is disposed vertically facing each other inside each frame plate 1 and rotates forward at a synchronous speed v, and the bottom surface a is inwardly chevron-shaped. By holding and pressing the left and right ends of the folded case file material B with a belt, the adhesion between the gluing piece e and the side piece _d2 is fixed, and the fold lines _l1 , _l2 and folding line ta are fixed.
It is configured to further blend in and send it forward from the terminal end.

Although not shown, the temporary bending device 25
0, the rear conveyance device 50 and the pressing device 80 are the belt conveyors 251, 502 on the left and right sides, respectively.
80 is set variable, and the bending/turning device 60 is provided with a variable arrangement space between the left and right sub-frame plates 601, 601, so that it can accommodate case file materials B having various shapes. It is done like this.

Therefore, in the above embodiment, the case file material B is vertically supported by the receiving member 30, and its bottom part a is folded between the folding plates 401 and 402 that move forward of the bottom folding device 40 and the folding part in front of the bottom part a. The folding plate 420 positioned at the molding position presses and folds the case file material B in the front and back direction, while the case file material B is transported forward, and in the meantime, the side pieces d ₁ and d ₂ of the front and rear surfaces b and c of the case file material B are folded. Since the bending, gluing piece e is folded back, and the gluing piece e is glued, the case file material B is transported forward or vertically downward in one direction, and each part a is folded, folded back, and glued. It can be carried out. In other words, the bottom folding device 40, the subsequent conveyance device 50, the folding device 60, and the gluing device 70 are arranged in a row,
The case file manufacturing device can be made compact and requires less installation space.

Moreover, since the bottom surface part a of the case file material B can be folded and folded back simultaneously by the bottom folding device 40, the manufacturing equipment is much more efficient compared to the conventional method in which folding and folding are performed using separate devices. It is possible to achieve compactness.

Furthermore, the bottom folding device 40 and the rear conveyance device 5
Since there is no need to dispose a large-scale direction changing device between the vehicle and the vehicle, the cost can be reduced, which is advantageous.

Further, when the case file material B fed forward by the paper feed device 10 is taken up by the feed device 210, it is first pressed and held at two points by the press rollers 219, 219 and the idle roller 218, and then rotated around the vertical axis. Then, the part in front of the midpoint between the above two points is pulled forward by the feed roller 214 and the drive roller 213, so that the case file material B has folds lb and lc on the bottom surface a and folding line ta in the conveying direction. The folds l 1 , l ₂ of the side pieces d ₁ , _{d 2 and} the folding line te of the glued piece e are perpendicular to the conveyance direction, and are accurately conveyed forward. Fold line lb, lc,
It is possible to accurately process and form l ₁ and l ₂ and fold lines ta and te at predetermined positions.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a perspective view of the case file, Fig. 2 is a sectional view taken along the line - - of Fig. 1, Fig. 3 is a plan view of the case file material, and Fig. 4 is a left side view. Figure 5 is an enlarged plan view of the paper feeding device and feed device, Figure 6 is an enlarged left side view of the feed device, and Figure 7 is an enlarged left side view of the feed device. An enlarged right side view, FIG. 8 is an enlarged side view of the temporary folding device, FIG. 9 is an enlarged plan view of the temporary folding device with the belt conveyor removed, FIG. 10 is an enlarged front view of the receiving device, and FIG. The figure is a sectional view taken along the line XI-XI in Figure 10, Figure 12 is an enlarged side view of the bottom folding device, Figure 13 is an enlarged plan view of the bottom folding device, and Figure 14 is an enlarged view of the folding and folding device and the gluing device. 15 is an enlarged sectional view taken along the - line in FIG. 14, FIG. 16 is an enlarged sectional view taken along the - line in FIG. 14, FIG. 17 is an enlarged sectional view taken along the - line in FIG. 14, and FIG. FIG. 15 is an enlarged sectional view taken along the line - in FIG. 14; A...Case file, B...Case file material, a...Bottom part, b...Front part, c...Rear part, d ₁ ...
Side piece, d ₂ ... Side piece, e... Gluing piece, lb... Crease, lc
...Fold line, l ₁ ... Fold line, l ₂ ... Fold line, ta... Fold line, te... Fold line, M... Manufacturing device, 10... Paper feeding device, 20... Pre-transfer device, 30... Receiving member, 40
...Bottom folding device, 401...Folding plate, 402...
Bending plate, 405... first drive device, 420... folding plate, 422... second drive device, 50... rear conveyance device, 60... bending and turning device, 70... gluing device.

Claims (1)

[Claims for Utility Model Registration] A narrow bottom part a having a longitudinal fold line ta at the center in the front-rear direction, and a fold at the front and back of the bottom part a.
A substantially rectangular front part b and a rear part c are connected via lb and lc, and creases l ₁ or l ₂ are formed at corresponding positions on both sides of the front and rear parts b and c, respectively.
The side pieces d ₁ and d ₂ are connected via the front and rear surfaces b,
A case file material B consisting of one of the two side pieces d ₁ of c, and a gluing piece e continuous to the side end of d ₁ via a folding line te is attached to the fold line of the bottom part a.
Bend the front and rear parts b and c at lb and lc, and fold the bottom part a.
Fold the bottom part a into a chevron shape at the folding line ta, and fold the side pieces d ₁ and d ₂ of the front and rear parts b and c into fold lines l ₁ and l ₂
This is an apparatus for manufacturing a case file A whose front and rear storage width can be expanded by folding the piece e inward at the folding line te, folding the glued piece e along the folding line te, and gluing it to the corresponding other side piece _d2 . () A paper feeder 10 that intermittently supplies the case file material B one by one in a horizontal state with its front side b facing forward. Case file material B
A front-stage conveying device 20 () is provided opposite to the lower end of the front-stage conveying device 20, and receives and holds the case file material B falling downward from the front-stage conveying device 20 in a vertical state. Receiving member 30 () The case file material B vertically supported by the receiving member 30 is folded at the front and rear parts b and c and the bottom part a is folded back, and the case file is folded with the rear part c folded onto the front part b. A bottom folding device 40 for protruding material B with the bottom part a forward, and the following (-1) to (-4)
(-1) Disposed behind the receiving member 30,
Two folding plates 40, upper and lower, which are movable in the front-rear direction, press forward and bend the two folds lb and lc on the bottom surface a of the case file material B vertically supported by the receiving member 30 by moving forward.
1,402 (-2) A first drive device 405 that reciprocates the bending plates 401 and 402 in the front and back direction. (-3) Disposed in front of the receiving member 30,
A folding plate 420 that is swingable in the front-rear direction and presses and bends the folding line ta of the bottom part a rearward by rearward rotation (-4) A second drive device that swings back and forth so that the folding forming position is rotated backward when the folding starts, and when the folding plates 401 and 402 move further forward, the second drive unit is positioned at the retracted position where the folding plates 401 and 402 are rotated forward. 422 () A rear-stage conveying device 50 whose starting end is disposed horizontally in front opposite to the protruding position of the bottom folding device 40 and conveys the folded case file material B projected from the bottom folding device 40 forward ( ) Folding and folding devices 60 provided on both sides of the middle of the rear conveyance device 50 and folding the side pieces d ₁ and d ₂ of the front and rear surface parts b and c and folding back the gluing piece e. The gluing device 70 is provided in a gluing device 70 for applying an adhesive to a gluing piece e and joining the gluing piece e to the corresponding other side piece _d2 . Case file manufacturing equipment.