JP2726868B2 - Focusing device for folding cardboard cases - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an apparatus for focusing a predetermined number of folded cardboard cases after a box making process. (Related Art) A corrugated cardboard case manufactured from a corrugated cardboard sheet is folded flat and focused on a desired number of sheets, but it is necessary to converge while accurately setting this number. For this reason, in the conventional convergence device, as shown in FIG. 8, the unloading conveyor (b) is set at a slightly higher position than the conveying conveyor (a) on the conveying end side of the conveying conveyor (a). Is disposed, a first hopper (c) having upper and lower ends opened at an appropriate position on the transport surface of the transport conveyor (a), and a second hopper (c) is disposed on the unloading start end of the unloading conveyor (b). d), and a first hopper (c)
A supply conveyor (f) for a folded corrugated cardboard case (e) is provided above the upper end opening of the second hopper (d).
Stopper member (g) and pusher bar (h) before and after
Are provided respectively. Then, the folded cardboard case (e) produced in the box making process (hereinafter simply referred to as a cardboard case)
Are sequentially charged and stored in the first hopper (c) from the supply conveyor (f), are corrected vertically by the rear wall member (i) of the hopper (c), are cured in the hopper, and are conveyed. The cardboard case (e) in contact with (a) is sent one by one to the conveyor (b).
Transported to the side. The cardboard case (e) transferred to the carry-out conveyor (b) stops in the second hopper (d) by contacting the stopper member (g), and the next cardboard case (e) supplied is first. And is pushed into the second hopper (d) while being in sliding contact with the lower surface of the cardboard case (e). Thus, the cardboard case (e) supplied from the conveyor (a) is sequentially deposited from below in the second hopper (d), and the number of sheets is reduced by the photoelectric tube (j) provided above the transfer end of the conveyor (a). When a predetermined number of cardboard cases (e) are detected and accumulated, the conveyor (a) is stopped, the stopper member (g) is opened, and the pusher bar (h) is advanced to advance the cardboard case (e) in the accumulated state. ) Is sent out by the unloading conveyor (b). (Problems to be Solved by the Invention) However, according to the above-mentioned conventional apparatus, since the feeding is performed from the lower end opening of the first hopper (c) by the sliding contact friction of the conveyor (a), When the feeding interval is deviated, stable feeding cannot be performed. In addition, when feeding to the second hopper (d), the tip of the cardboard case (e) following the lower surface of the previously stored cardboard case (e). Is pushed up while being slid in contact with each other, so that if the number of corrugated cardboard cases (e) to be deposited increases, the weight may increase and the pushing may not be performed smoothly. Further, after a predetermined number of sheets have been deposited in the second hopper (d), the transport conveyer (a) must be stopped when sending out by the pusher bar (h). Since the operation of the conveyor (a) and the pusher bar (h) is performed intermittently, the number of stacked cardboard cases (e) increases or decreases, and the feeding by the transport conveyor (a) becomes unstable. Further, when the cardboard case (e) is supplied from the supply conveyor (f) to the first hopper (c), the cardboard case (e) discharged from the transport end of the supply conveyor (f) is temporarily free. In this state, the cardboard case (e) is pushed into the opening side of the first hopper (c) by blowing air from above.
In the case of a corrugated cardboard case having a short length, it may not be able to be accurately stored in the first hopper (c) due to inversion by air pressure. The present invention is to provide a corrugating device for a corrugated cardboard case which solves such a problem. (Problems to be Solved by the Invention) In order to achieve the above object, a corrugating device for a corrugated cardboard case according to the present invention comprises:
The folded corrugated cardboard case, which is disposed between the lower end opening of the cardboard case stacking hopper and the box making machine outlet and sent out from the box making machine, is directly supplied to the lower end opening of the cardboard case stacking hopper directly to one sheet. Conveyer and
The cardboard case stacking hopper is disposed at the rear of the upper end opening of the stacking hopper so as to be able to reciprocate back and forth. The upper surface and the rear end surface at the rear part of one folded corrugated cardboard case are engaged with an engaging step formed of a horizontal plane and a vertical surface formed at the front end thereof, and sequentially in front of the upper end opening of the cardboard case stacking hopper. A kicker that feeds a shorter stroke than the length in the front-rear direction of the folded corrugated cardboard case to the disposed carry-out conveyor side; and a front end of the folded cardboard case that is disposed at the rear end side of the carry-out conveyor so as to be able to undulate and be sent out by the kicker. And a receiving member for receiving the surface. After the number of fed cardboard cases is measured and a predetermined number of folded cardboard cases are sent out to the receiving member side, the receiving member is raised and lowered while sending the next folded cardboard case to the receiving member side. The predetermined number of folded cardboard cases received by the stopping member are sent out to the carry-out conveyor side and carried out by the carry-out conveyor. (Operation) The folded corrugated cardboard cases sent out from the outlet of the box making machine are supplied directly to the lower opening of the corrugated cardboard case stacking hopper sequentially by the supply conveyor without being once accumulated. In the corrugated cardboard case stacking hopper, a folded corrugated cardboard case is deposited between the upper and lower open ends, and when a single folded corrugated cardboard case is fed from the supply conveyor to the lower surface side of the accumulated folded corrugated cardboard case, the corrugated cardboard case is fed. From the upper end opening of the case stacking hopper, the uppermost folded cardboard case is lifted on the pass line, and each time, the kicker reciprocates back and forth once and protrudes from the upper end opening member of the cardboard case stacking hopper. Are sequentially pushed forward, and are arranged undulatingly on the rear end side of the carry-out conveyor so that the receiving member receives the front end face thereof. That is, in the state where a fixed number of cardboard cases corresponding to the height of the stacking hopper are always accumulated in the cardboard case stacking hopper, each time a single folded cardboard case is supplied to the lower end opening member of the stacking hopper. One folding corrugated cardboard case is lifted on the pass line where the kicker moves forward and backward from the upper end opening of the stacking hopper, and furthermore, one folded corrugated cardboard case is sequentially sent out from the box making machine side. The kicker supplies a predetermined number of folded cardboard cases to the receiving member while the kicker makes one reciprocation back and forth in synchronization with the feeding speed. At this time, the kicker is provided with an engaging step formed of a horizontal surface and a vertical surface to be engaged with an upper surface and a rear end surface of a rear portion of a single folded corrugated cardboard case which is lifted upward from an upper end opening of the corrugated cardboard case stacking hopper. Since it moves forward and backward with a stroke shorter than the length of the folding cardboard case in the front-rear direction, the folding cardboard case to be sent next is sunk into the lower surface of the folding cardboard case sent to the receiving member side first. It can be focused in a deposited state. The number of the folded cardboard to be sent out to the receiving member side by the kicker is measured by the reciprocating motion of the kicker, and when a predetermined number of folded cardboard cases are sent out to the receiving member side, the next folded cardboard case is sent to the receiving member side. During the feeding, the receiving member is moved down, and the predetermined number of the folded folded cardboard cases received by the receiving member are sent out to the unloading conveyor side, and are unloaded by the unloading conveyor. Therefore, by setting the number of bundles of the folded corrugated cardboard cases to be received by the receiving member, the supply of the folded folded corrugated cardboard cases reaching the number to the stacking hopper side from the supply conveyor is stopped. Instead, they can be sequentially carried out to the carry-out conveyor side. (Embodiment) An embodiment of the present invention will be described with reference to the drawings. (1) is a deposition hopper having upper and lower ends opened (2) and (3), and a stopper member which can be opened and closed back and forth with a front wall at an upper end as a fulcrum. The rear wall surface is formed on a wall member (1b) which can be adjusted to move back and forth in a vertical state. (4) An inclined feeding conveyor disposed behind the lower end opening of the stacking hopper (1), wherein a belt is endlessly wound between a front roller (4a) and a rear roller (4b). (4a) The upper peripheral part faces the central rear part of the lower opening end (3) of the deposition hopper (1), and the rear roller (4b) is provided at a lower position than the front roller (4a). When the belt is driven cyclically, the belt is inclined upward from the transport start end toward the end. (5) is a suction device arranged along the inner surface of the belt of the cardboard case transfer surface of the supply conveyer (4), and the cardboard case (17) conveyed by the supply conveyer (4) is transported on the supply conveyer (4). Is brought into close contact with a predetermined suction force. (6) is a supply conveyor (4) on the outlet side of the box making machine
7 is a feed-out conveyor for a folded corrugated cardboard case (17) disposed close to the rear roller (4b). (7) a kicker disposed behind the upper end opening of the deposition hopper (1), which is a half of the length of the cardboard case (17) by an appropriate mechanism, that is, a stopper member of the deposition hopper (1). The wall member (1b) is disposed so as to reciprocate back and forth on the upper end surface with a stroke shorter than half the distance between the wall member (1a) and the wall member (1b). An engagement step (8) is formed on the lower surface of the front end of the kicker (7) to engage with the rear part of the cardboard case (17). The vertical dimension of the engaging step (8), that is, the height of the vertical surface (8a) abutting on the rear end face of the cardboard case (17) is formed to be slightly smaller than the thickness of the cardboard case (17). In addition, the rear upper surface of the cardboard case (17) is brought into contact with the horizontal surface (8b) of the engaging step (8). (9) is the stopper member (1a) of the deposition hopper (1)
This is a carrying-out means composed of a roller conveyor disposed in front of the upper end of the collecting hopper (1), and carries out the corrugated cardboard case (18) deposited at the upper end opening of the depositing hopper (1) to the next step. (10) is an undulating receiving member disposed at a small interval in front of the upper end of the stacking hopper (1), and temporarily receives the lower part of the front end face of the converging cardboard case (18). (11) is a converging cardboard case conveying means disposed above the upper end opening of the deposition hopper (1), and a pair of upper and lower circulating mechanisms (12) (13) circulating endlessly such as a chain and a pusher bar (14). The pusher bar (14) is always moved vertically in the front-rear direction by attaching the upper end and the middle part of the pusher bar (14) at the start of feeding. Is configured to reach the lower end of the rear surface. (15) is the stopper member (1a) of the deposition hopper (1)
A discharge conveyor conveyed around the lower end of the feed roller so as to be rotatable coaxially with the front roller (4a) of the supply conveyor (4), and a front drive roller (16) disposed forward.
It is hung endlessly between them. The operation of the embodiment constructed as described above will be described. A fixed number of cardboard cases (17) are accumulated in the accumulation hopper (1), and the lowermost cardboard case (17) is located at the front roller of the supply conveyor (4). (4a) and while being stopped on the upper surface of the rear belt of the stopped discharge conveyor (15), the cardboard case (17) is sequentially fed to the supply conveyor (4) by the conveyer (6) from the outlet side of the box making machine. ) Is transferred to the upper side, carried out forward, and sent to the lower opening (3) of the stacking hopper (1), and the corrugated cardboard case (17) is placed on the lowermost cardboard case (17) of the stacking hopper (1). The corrugated case (17) is lifted while sliding on the lower surface, and the front end is stopped by contacting the inner surface of the stopper member (1a) of the deposition hopper (1) to be stored in the lowest member of the deposition hopper. On the other hand, due to the storage of the corrugated cardboard case (17), the uppermost corrugated cardboard case (17a) is lifted upward by one thickness from the opening (2) in the upper opening (2) of the deposition hopper (1) and sent out. A possible pass line has been reached. As shown in FIG. 3, the uppermost cardboard case (17a) is pressed by the vertical surface (8a) of the engaging step (8) of the kicker (7) by the advance of the kicker (7). It is fed forward by a certain size on the corrugated cardboard case (17b). The kicker (7) is configured to move back and forth in synchronization with the number of paper feeds of the box making machine, that is, the feeding of the corrugated cardboard case (17) to the supply conveyor. Each time a cardboard case (17) is sent into the hopper (1), the top cardboard case reaching the pass line is sent out.
The number of cards sent out of the cardboard case (17) is measured by the forward and backward movement of the kicker (7). The rear side wall member (1b) of the deposition hopper (1) can be moved and adjusted in the front-rear direction.
The position of the stacking hopper (1) is adjusted according to the length in the front-rear direction, and the stacking hopper (1) is brought into contact with the rear end face of the stacking cardboard case (17) to perform vertical correction of the stacking hopper and the stacking hopper. (1) The corrugated cardboard case (17) is deposited and cured in the inside. As described above, each time the cardboard case (17) is sequentially fed into the deposition hopper (1) from the lower opening (3) of the deposition hopper (1), the pass line is passed through the upper opening (2) of the deposition hopper (1). The uppermost cardboard case (17), which is lifted up to, is sequentially sent forward by the forward and backward movements of the kicker (7). This step will be described in more detail. First, from the state shown in FIG. Cardboard case (17) below the hopper (1)
Is supplied, the next cardboard case (17b) is lifted to reach the pass line, and the cardboard case (17a) already sent out to the predetermined position is integrally lifted as shown in FIG. When the kicker (7) advances from this state, the cardboard case (17b) is sent forward by the engaging step (8) of the kicker (7) as shown in FIG. The cardboard case (17a) placed on the cardboard case (17a) is pushed forward by the tip end surface of the kicker (7), is sent forward by a predetermined distance together with the lower cardboard case (17b), and is received by the receiving member (10). . The kicker (7) recedes and the next cardboard case (17
c) is lifted up to the pass line, and the kicker (7) is moved forward again from the state where the upper cardboard cases (17a) and (17b) placed on the cardboard case (17c) are lifted together. Then, the cardboard case (17c) that has reached the pass line is sent out on the next cardboard case (17d) by a predetermined size by the engaging step (8) of the kicker (7), as described above, and the upper cardboard box (17c). The case (17b) is pushed by the tip end surface of the kicker (7), received by the receiving member (10), and overlaps the lower surface of the upper cardboard case (17a) that has already reached that position. In this way, the delivery of the cardboard case (17) by the kicker (7) and the delivery of the cardboard case (17) from below the deposition hopper (1) by the supply conveyor (4) are synchronized, and the deposition hopper (1) The cardboard case (17) lifted from the upper open end is sequentially sent out by a kicker (7) by a predetermined distance, and a predetermined number of cardboard cases (17) are converged (1) at the position of the receiving member (10).
8) When the kicker (7) is moved forward and backward, the receiving member (10) is tilted down and opened, and at the same time, the transfer means (11) is operated to lower the pusher bar (14), so that the horizontal movement is performed forward. By doing so, the converging cardboard case (18) is sent out onto the unloading means (9) composed of a roller conveyor, and the unloading means (9) is driven to be transported to the next process side. During this time, the cardboard case (17) is supplied by the supply conveyor (4), and the kicker (7) moves back and forth to feed out the cardboard case (17).
Further, the pusher bar (14) of the transport means (11) returns to the feed start position and waits for the next delivery of the focused cardboard case (18). Next, when the corrugated cardboard case (17) conveyed by the supply conveyor (4) is folded at the time of flat sheet processing that does not require bending, gluing, and curing, the second case is used.
As shown in the figure, when the stopper member (1a) of the accumulation hopper (1) is opened forward, the stopper member (1a) is not stored in the accumulation hopper (1), but from the supply conveyor (4) to the discharge conveyor (15). It can be transferred and sent to the next step. (Effects of the Invention) As described above, according to the folding corrugated cardboard case convergence apparatus of the present invention, the supply conveyor is disposed between the lower end opening of the corrugated cardboard case stacking hopper having the upper and lower ends opened and the outlet of the box making machine. The feeding conveyor is configured to supply the folded corrugated cardboard cases sent from the box making machine directly to one sheet directly and sequentially to the lower end opening of the cardboard case stacking hopper. After temporarily storing the folded cardboard case to be sent out in the hopper, all problems such as occurrence of a shift in the sending interval due to sending out from below the hopper are completely eliminated, and the folded cardboard case is stabilized at regular intervals. Then, it can be supplied to the lower end opening of the deposition hopper sequentially and continuously. On the other hand, at the rear of the upper end opening of the cardboard case stacking hopper, one fold which is lifted upward from the upper end opening of the cardboard case stacking hopper every time the folded cardboard case is supplied at the lower end opening side of the cardboard case stacking hopper. A kicker for sequentially feeding the corrugated cardboard cases to the unloading conveyor side disposed in front of the upper end opening of the corrugated cardboard case hopper is arranged, so that the inside of the corrugated cardboard case accumulation hopper always has a fixed number of sheets according to the height of the accumulation hopper. Each time one folded corrugated cardboard case is supplied to the lower end opening of the stacking hopper with the corrugated cardboard case stacked, the kicker moves one folded corrugated cardboard case forward and backward from the upper opening member of the stacking hopper by that amount. Can be lifted on the pass line, thus folding Rukesu regardless of the magnitude of the thickness of, addressed one by kicker, moreover, can be fed securely to the carry-out conveyor side corrugated board folded tuned to the feed rate from the feed conveyor. Further, a receiving member for receiving the front end face of the folded corrugated cardboard case sent out by the kicker is disposed at the rear end side of the carry-out conveyor so as to be able to move up and down, and the kicker has a length in the front-rear direction of the folded cardboard case. It is configured to send out a single folded cardboard case with a shorter stroke than it is, so that the kicker can send out the folded cardboard case quickly, and the sending speed of the folded cardboard case from the box making machine is smooth. In addition, it is possible to focus on the stacking state while submerging the next folded corrugated cardboard case into the lower surface of the folded corrugated cardboard case sent out to the receiving member side. In addition, the number of the folded cardboard case sent out to the receiving member side by the kicker is measured by the reciprocating motion of the kicker that sends out one sheet, so that the number of outgoing sheets can be accurately measured, and the predetermined number of sheets can be measured on the receiving member side. After sending out the number of folded corrugated cardboard cases, while sending out the next folded corrugated cardboard case to the receiving member side, the receiving member is protruded and the predetermined number of bundled folded corrugated cardboards received by the receiving member is received. Since the case is configured to be sent out to the carry-out conveyor side, by setting the number of bundles of the folded cardboard case to be received by the receiving member, the number of bundled folded cardboard cases that reach the number is transferred from the supply conveyor. Without stopping the supply of folding cardboard cases to the stacking hopper side. Can be smoothly carried out to the side, thus, is capable of working efficiency becomes possible continuous operation without stopping the entire mechanism significantly improve. In addition, by configuring the stopper member of the ground hopper so that it can be opened and closed, in the case of a cardboard case that does not require bending or curing with glue, it is sent out from the supply conveyor without being accumulated in the accumulation hopper. ,
It can be directly supplied to the next step.

BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1 to 7 show an embodiment of the present invention.
FIG. 2 is a simplified side view of the same, FIG. 2 is a simplified side view showing another mode of use when the stopper member of the deposition hopper is opened, FIGS. The figure is a simplified side view of a conventional device. (1) ... accumulation hopper, (1a) ... stopper member,
(2) ... upper opening, (3) ... lower opening, (4) ...
Supply conveyor, (7) ... kicker, (8) ... engaging step, (9) ... unloading means, (10) ... receiving member, (11)
… Conveying means, (15)… Discharge conveyor, (17)… Cardboard case.

Claims (1)

(57) [Claims] A corrugated cardboard case stacking hopper with upper and lower ends opened for depositing a folded corrugated cardboard case inside, and a folded corrugated cardboard case arranged between the lower end opening of the corrugated cardboard case stacker hopper and the outlet of the box making machine and sent out from the box making machine And a conveyor for sequentially feeding the cardboard case directly to the lower end opening of the cardboard case stacking hopper, and a lower end opening of the cardboard case stacking hopper which is disposed back and forth reciprocally behind the upper end opening of the cardboard case stacking hopper. A horizontal plane and a vertical plane formed at the front and rear end surfaces of a single folded corrugated cardboard case which is lifted upward from the upper end opening of the corrugated cardboard case stacking hopper each time the folded corrugated cardboard case is supplied on the side. And sequentially open the upper end of the cardboard case stacking hopper. A kicker that feeds a stroke shorter than the length of the cardboard case in the front-rear direction to the unloading conveyor disposed in front of the unit, and a folded cardboard that is arranged to be able to undulate at the rear end of the unloading conveyor and sent out by the kicker. A receiving member for receiving the front end face of the case, the kicker moves forward and backward to measure the number of sheets to be sent out of the folded cardboard case, and after sending out a predetermined number of folded cardboard cases to the receiving member side, While sending out the folded cardboard case to the receiving member side, the receiving member is protruded and the predetermined number of folded cardboard cases received by the receiving member are sent out to the unloading conveyor side, and the unloading conveyor sends the folded cardboard case. Convergence of a folded corrugated cardboard case characterized by being configured to be carried out Location. 2. 2. The folding corrugated cardboard case focusing device according to claim 1, wherein a front wall surface of the stacking hopper is formed by a stopper member which can be opened and closed in the front-rear direction with an upper end portion serving as a fulcrum.