GB2132174A - Device for delivering folding box blanks to a cartoning machine - Google Patents
Device for delivering folding box blanks to a cartoning machine Download PDFInfo
- Publication number
- GB2132174A GB2132174A GB08308306A GB8308306A GB2132174A GB 2132174 A GB2132174 A GB 2132174A GB 08308306 A GB08308306 A GB 08308306A GB 8308306 A GB8308306 A GB 8308306A GB 2132174 A GB2132174 A GB 2132174A
- Authority
- GB
- United Kingdom
- Prior art keywords
- store
- transfer belt
- belt conveyor
- stack
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
- 210000000078 claw Anatomy 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H3/00—Separating articles from piles
- B65H3/02—Separating articles from piles using friction forces between articles and separator
- B65H3/04—Endless-belt separators
- B65H3/042—Endless-belt separators separating from the bottom of the pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H1/00—Supports or magazines for piles from which articles are to be separated
- B65H1/30—Supports or magazines for piles from which articles are to be separated with means for replenishing the pile during continuous separation of articles therefrom
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H43/00—Use of control, checking, or safety devices, e.g. automatic devices comprising an element for sensing a variable
- B65H43/08—Photoelectric devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
- B65H7/02—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors
- B65H7/04—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to absence of articles, e.g. exhaustion of pile
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/17—Nature of material
- B65H2701/176—Cardboard
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Making Paper Articles (AREA)
Abstract
Stacks (S3, S4, S5) are stored on a long delivery belt (3). A transfer belt conveyor (2) is arranged downstream of the delivery belt (3), removes individual folding box blanks from the underside of a stack (S2) and delivers them to a store (1), the filling height of which is sensed by means of sensors 12, 13 which turn the transfer belt conveyor (2) on or off by way of a control member (14). When a sensor (23) at the transfer belt conveyor signals the need for a new stack, the delivery belt (3) is set in motion by way of a control member (26) and a stack (S3) is moved onto the empty transfer belt conveyor (2). The device enables the stack height in the store (1) to be maintained at a certain minimum height, so that the stack pressure only varies slightly and the conditions for the removal of blanks from the store essentially remain the same. <IMAGE>
Description
SPECIFICATION
Device for delivering folding box blanks to a cartoning machine
The invention relates to a device for delivering folding box blanks to a cartoning machine, comprising a store for receiving a stack of folding box blanks.
Cartoning machines which are used, for example, to put flexible packihg bags, in which, for example, food is packed, in an enveloping carton, are generally loaded with folding box blanks which have previously been glued along a glueing seam, so that a double carton layer or, in the region of the seam, a triple carton layer, is usually present in each folding box blank.
The delivery of folding box blanks in highspeed cartoning machines is problematic, as the stack pressure varies greatly owing to the highly variable filling state of the store. These variations have a disadvantageous effect on the carton removing operation in the cartoning machine. The frequent replenishment of blanks requires an operator. A supply of 1,000 folding boxes is required within 5 minutes, for example, in a cartoning machine having a processing output of 200 folding boxes per minute, 1,000 folding boxes produce a stack height of approximately 1 m.
In order to keept the refill periods as long as possible, rotary stores were also used which could receive a plurality of stacks at the same time. After a stack has been used the rotary store is turned through one step, so that the next stack reaches the delivery position. This does not, however, overcome the disadvantage resulting from the different stack pressures.
The object of the invention is to develop a device of the above-mentioned type such that the stack pressure in the store does not fluctuate, or only to a slight degree. The object of one arrangement of the invention is to automatically deliver folding box blanks from a large supply by cheap conveying means.
The device of the above-mentioned type provided to solve this object is characterised by a transfer belt conveyor arranged in front of the store for receiving a stack of folding box blanks and putting the latter in the store, at least one store sensor for sensing the filling state of the store and a first control member, which is operatively connected to the sensor, for controlling the drive of the transfer belt conveyor such that the latter is set in motion when the filling level of the store drops below a minimum value.
By means of a device thus formed it is possible to constantly maintain a stack height which is sufficient to guarantee the removal of individual blanks at the lower end of the store in a disturbance-free manner. The store sensor is adjusted such that the store refilling operation by the delivery belt is triggered before a stack height is reached at which the stack pressure becomes insufficient. In this respect the procedure may, for example, be such that, after the store sensor has responded, a certain number of folding box blanks is inserted and the transfer belt conveyor subsequently brought to a standstill, which may be effected, for example, by means of a revolution counter or a timing relay. According to claim 5, however, it is also possible to arrange a maximum store sensor in addition to the above-mentioned minimum store sensor.The maximum store sensor disconnects the transfer belt conveyor when a maximum filling state is reached.
The above-mentioned arrangement of the invention (claim 2) is characterised by a delivery belt arranged in front of the transfer belt conveyor for receiving a plurality of stacks of folding box blanks and for delivering stacks to the delivery belt, a transfer belt conveyor sensor for sensing the loaded state of the transfer belt conveyor, a delivery belt sensor at the end of the delivery belt adjacent the transfer belt conveyor and a second control member, which is operatively connected to the sensors, for coordinating the drive of the transfer belt conveyor and of the delivery belt, such that the delivery belt can be set in motion once the transfer belt conveyor has been emptied.
Very large quantities of folding box blanks can be stacked on the delivery belt in a device thus formed. The folding box blanks are deposited in stacks on the delivery belt. Once the transfer belt conveyor has been emptied, the delivery belt automatically delivers a new stack to the transfer belt conveyor. The time required for this operation can easily be bridged by the content of the store. The delivery belt can be of any length, so that there is space on the delivery belt for folding box blanks for an operating period of several hours.
A guide wall according to claim 3 facilitates the positioning of the stacks on the delivery belt, as there is no need for an alignment to be carried out by sight. Instead the stacks are simply placed against the guide wall and.are thereby automatically correctly aligned, thus ensuring a disturbance-free transfer to the transfer belt conveyor.
The transfer belt conveyor is advantageously provided with knobs (claim 4), thus ensuring that the individual folding box blanks are removed.
The sensors are preferably of a type such that they can respond without any mechanical contact (claim 5). Photoelectric cells, for example, may be used for this purpose.
The stack disposed on the transfer belt conveyor can easily be reduced from below by means of the arrangement of a transverse wall at the front end of the transfer belt conveyor according to claim 7.
According to claim 8, lateral guide plates at the store facilitate the insertion of blanks in the store. The guide plates ensure that the store will be filled even if the stack on the transfer belt conveyor is not accurately aligned with the store.
An embodiment of the invention is schematically illustrated in the drawing, in which:
Figure 1 is a perspective view of a device for delivering folding box blanks to a cartoning machine and
Figure 2 is a vertical partial section through the device in the region II of Fig. 1.
The device has a store 1, a transfer belt conveyor 2 and a delivery belt 3.
The store 1 is basically formed as a stack guide. Front rods 4, 5, rear rods 6, 7 and lateral rods 8, 9 are used to guide a stack S disposed in the store 1. A guide plate 10 is secured to each of the rods 8, 9 and comprises a section 1 Oa, parallel to the side of the stack, and a section lOb, which diverges from the stack. The diverging sections lOb form oblique insertion members for safely guiding into the store the blanks which are to be inserted. Gripping claws 11 are disposed at the lower ends of the rods 4 to 7. The lowest folding box blank of the stack S1 is disposed on these claws, which bear the entire stack.
A minimum store sensor 1 2 and a maximum store sensor 1 3 are associated with the store 1. These sensors may, for example, be photoelectric cells or capacitive switches, which have no mechanical contact with the stack Si. The sensors 12, 13 are connected to a first control member 14. The minimum store sensor is disposed at a level such that the stack height up to this sensor is sufficient to produce a stack pressure which ensures the removal of the folding box blanks at the lower end of the stack Si. The maximum sensor is disposed at a level slightly below the surface of the transfer belt conveyor 2.
The transfer belt conveyor 2 is endless. It is guided over two rollers, of which only the axes 15, 1 6 are indicated. The roller with the axis 1 5 can be driven by an electromotor 1 7.
The drive connection is indicated by the double dot-dash line 18.
As shown in Fig. 2, the transfer belt conveyor is provided with teeth 19, designed to ensure that the folding box blanks are carried along. A vertical wall 20 is arranged at the front end of the transfer belt conveyor 2 and is oriented at a right angle to the direction of movement, indicated by the arrow 21, of the belt 2. The lower edge 20a of the wall 20 is disposed at a spacing a from the surface of the transfer belt conveyor 2, which spacing a is approximately equal to the thickness of two superimposed folding box blanks F. In this respect the surface of the belt is defined by the upper contact plane of the teeth 1 9.
Narrow extensions 22 are disposed at the rear upper end of the store and permit the rear boundary of the store to be brought close to the conveyor belt 2. A transfer belt conveyor sensor 23 which, for example, can be formed as a capacitive switch, is disposed below the upper side of the transfer belt conveyor 2.
The sensor 23 is connected to a second control member 26 by way of an electrical line 24, which is disposed in a tube 25.
The delivery belt 3 is also guided over two rollers, which are also only indicated by their axes 27 and 28. The surface of the delivery belt 3 may be smooth. It is, however, also possible for this belt to be provided with rough parts in the form of teeth. The delivery belt 3 can be driven by means of an electromotor 29. The drive connection is indicated by the double dot-dash line 30.
A delivery belt sensor 31 is arranged in the vicinity of the front end of the delivery belt below the upper side of the latter and is connected to the second control member 26 by way of an electric line 32, which is also disposed in the protective tube 25.
A vertical guide wall 33 extends along both belts 2 and 3 and is arranged approximately above one of the longitudinal edges of the belts.
The device operates as follows. Suction devices 34 are used to remove folding box blanks F from the store 1 and can be moved in the vertical direction according to the double arrow 35. These suction devices adhere to the respective lowest folding box blank F and disengage the latter from the gripping claws 11. The blank is firstly erected by further devices, which are not shown in the drawing, and then closed at one end, filled with a bag or the like and closed at the other end.
The store is shown in a completely full state in Fig. 1. In this state the stack S1 reaches up to the maximum store sensor 1 3. At this stage the transfer belt conveyor 2 is at a standstill.
When the stack pressure has dropped to the minimum store sensor 12, the latter actuates the drive of the transfer belt conveyor 2 by way of the first control member 14, as a result of the electromotor 1 7 being energised.
A stack S2 is disposed on the transfer belt conveyor 2. The friction of the transfer belt conveyor at the lowest folding box blanks F causes the latter to be pushed through the slot below the wall edge 20a, and the folding box blanks overlap. This is obtained by providing the slot a with a width which corresponds approximately to the thickness of two blanks. If the gap were narrower, the blanks would be pushed out one after the other. The blanks fall into the store 1, this procedure being assisted by the guide plates 10.
When the store 1 is filled to such an extent that the stack in the store has risen as far as the maximum store sensor, the motor 1 7 is brought to a standstill by the sensor 1 3 by way of the first control member 14. In order to ensure that obstructions are prevented, the transfer belt conveyor is brought to a standstill before the stack height rises above the level of the slot 36 below the wall 20.
The sensor S3 sends a signal to the second control member 26 when the stack S2 has been used. The electromotor 29 is energised by the control member 26 and the delivery belt 3 thus driven such that the upper side of the delivery belt moves in the direction of the arrow 37. The front stack S3 is thus moved onto the transfer belt conveyor 2, which is preferably also driven. For this purpose the second control member 26 may also be connected to the first control member 14. The device can, however, operate without a connection of this type, on the basis of the following association. The transfer belt conveyor 2 is usually emptied when the stack height is between the two sensors 1 2 and 13, so that the transfer belt conveyor is not disconnected. When the delivery belt 3 is set in motion the delivery belt is still moving. After the new stack has been transferred it continues to move until the stack height in the store 1 reaches the maximum store sensor.
When the belt has moved so far that a stack is again disposed above the delivery belt sensor 31, the latter brings the motor 29 to a standstill by way of the control member 26.
Only three stacks S3, S4 and S5 are shown on the delivery belt in the drawing. An interruption point 38 indicates that the belt can be longer and thus receive more than three stacks.
Claims (8)
1. Device for delivering folding box blanks to a cartoning machine, comprising a store for receiving a stack of folding box blanks, a transfer belt conveyor arranged in front of the store for receiving a stack of folding box blanks and putting the latter in the store at least one store sensor for sensing the filling state of the store, a first control member which is operatively connected to the store sensor for controlling the drive of the transfer belt conveyor such that the latter is set in motion when the filling level of the store drops below a minimum value.
2. Device according to claim 1, comprising a delivery belt arranged in front of the transfer belt conveyor for receiving a plurality of stacks of folding box blanks and for delivering stacks to the delivery belt a transfer belt conveyor sensor for sensing the loaded state of the transfer belt conveyor, a delivery belt sensor at the end of the delivery belt adjacent the transfer belt conveyor and a second control member which is operatively connected to the sensors for coordinating the drive of the transfer belt conveyor and of the delivery belt such that the delivery belt is set in motion once the transfer belt conveyor has been emptied.
3. Device according to claim 1 or claim 2 comprising at least one guide wall for aligning and guiding the stacks which guide wall extends along the delivery belt and the transfer belt conveyor.
4. Device according to any one of the preceding claims, wherein the transfer belt conveyor is provided with teeth.
5. Device according to any one of the preceding claims comprising two said store sensors, a minimum store sensor and a maximum store sensor arranged at the store, the drive of the transfer belt conveyor being set in motion by the minimum store sensor and brought to a standstill by the maximum store sensor.
6. Device according to any one of the preceding claims, wherein the sensors can respond without any mechanical contact, e.g.
they operate in a photoelectric or capacitive manner.
7. Device according to any one of the preceding claims, comprising a wall which is oriented transversely to the direction of movement of the transfer belt conveyor, arranged at the front end thereof at a spacing from the surface of the belt, the device being intended for use with a folding box blank whose is between one third of and equal to said spacing.
8. Device according to any one of the preceding claims, comprising lateral guide plates arranged at the store diverging in the direction of movement of the transfer belt conveyor.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19823247563 DE3247563A1 (en) | 1982-12-22 | 1982-12-22 | DEVICE FOR FEEDING FOLDING CARTON CUTTINGS TO A CARDBOARD MACHINE |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB8308306D0 GB8308306D0 (en) | 1983-05-05 |
| GB2132174A true GB2132174A (en) | 1984-07-04 |
Family
ID=6181459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB08308306A Withdrawn GB2132174A (en) | 1982-12-22 | 1983-03-25 | Device for delivering folding box blanks to a cartoning machine |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE3247563A1 (en) |
| GB (1) | GB2132174A (en) |
| IT (2) | IT1163209B (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0177651A1 (en) * | 1984-10-01 | 1986-04-16 | Inc. The International Paper Box Machine Co. | Apparatus and method for reverse roll feed of shingled blanks |
| WO1989004805A1 (en) * | 1987-11-27 | 1989-06-01 | Reinhard Stenz | Envelope feeder with adjustable constant overlap |
| EP0328875A2 (en) * | 1988-02-18 | 1989-08-23 | Tetra Laval Holdings & Finance SA | Method and apparatus for separating flat articles |
| EP0361128A2 (en) * | 1988-09-01 | 1990-04-04 | AB Tetra Pak | Unpacking and feeding device for packing container blanks |
| EP0417576A1 (en) * | 1989-09-12 | 1991-03-20 | Maschinenfabrik Alfred Schmermund GmbH & Co. | Device for automatically filling up a magazine |
| GB2272690A (en) * | 1992-11-19 | 1994-05-25 | Bosch Gmbh Robert | Delivering flat objects, e.g. folded boxes to a packaging machine |
| FR2764267A1 (en) * | 1997-06-04 | 1998-12-11 | Finega | Process for automatic supply of shaping machine with pre-cut blanks |
| EP1371563A1 (en) * | 2002-06-14 | 2003-12-17 | TEC.AL.S.r.l. | Feeder for trays |
| US7896793B2 (en) | 2005-11-14 | 2011-03-01 | 3M Innovative Properties Company | Folded boxes and methods of making the same |
| EP2386507A1 (en) * | 2010-05-12 | 2011-11-16 | Müller Martini Holding AG | Book cover applier for supplying book covers to a book end production line and method for applying a stack with book covers and book end production line |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4237937C2 (en) * | 1992-11-11 | 2001-09-13 | Focke & Co | Device for transporting stacks of blanks |
| CN105836409A (en) * | 2016-04-27 | 2016-08-10 | 芜湖美威包装品有限公司 | Paperboard feeding and conveying device |
| CN108860857A (en) * | 2018-07-06 | 2018-11-23 | 安徽万纳包装科技股份有限公司 | A kind of printing packaging equipment paper guiding device |
| CN110893917B (en) * | 2019-11-08 | 2021-06-18 | 河南中烟工业有限责任公司 | Automatic material supplementing device for label paper warehouse of packaging machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1234615A (en) * | 1967-07-13 | 1971-06-09 | ||
| GB1577504A (en) * | 1977-12-19 | 1980-10-22 | Rock G | Method of collecting anti-hemophilic factor viii from blood and blood plasma |
-
1982
- 1982-12-22 DE DE19823247563 patent/DE3247563A1/en not_active Withdrawn
-
1983
- 1983-03-25 GB GB08308306A patent/GB2132174A/en not_active Withdrawn
- 1983-03-31 IT IT20425/83A patent/IT1163209B/en active
- 1983-03-31 IT IT8321337U patent/IT8321337V0/en unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1234615A (en) * | 1967-07-13 | 1971-06-09 | ||
| GB1577504A (en) * | 1977-12-19 | 1980-10-22 | Rock G | Method of collecting anti-hemophilic factor viii from blood and blood plasma |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0177651A1 (en) * | 1984-10-01 | 1986-04-16 | Inc. The International Paper Box Machine Co. | Apparatus and method for reverse roll feed of shingled blanks |
| WO1989004805A1 (en) * | 1987-11-27 | 1989-06-01 | Reinhard Stenz | Envelope feeder with adjustable constant overlap |
| US5149076A (en) * | 1987-11-27 | 1992-09-22 | Reinhard Stenz | Envelope feeder with adjustable constant overlap |
| EP0328875A3 (en) * | 1988-02-18 | 1990-05-16 | Tetra Pak Finance & Trading S.A. | Method and apparatus for separating flat articles |
| AU619248B2 (en) * | 1988-02-18 | 1992-01-23 | Tetra Pak Finance & Trading S.A. | A method of and an apparatus for isolating flat parts |
| EP0328875A2 (en) * | 1988-02-18 | 1989-08-23 | Tetra Laval Holdings & Finance SA | Method and apparatus for separating flat articles |
| EP0361128A2 (en) * | 1988-09-01 | 1990-04-04 | AB Tetra Pak | Unpacking and feeding device for packing container blanks |
| EP0361128A3 (en) * | 1988-09-01 | 1990-05-16 | Ab Tetra Pak | Storing and feeding device for packing container blanks |
| EP0417576A1 (en) * | 1989-09-12 | 1991-03-20 | Maschinenfabrik Alfred Schmermund GmbH & Co. | Device for automatically filling up a magazine |
| US5186447A (en) * | 1989-09-12 | 1993-02-16 | Maschinenfabrik Alfred Schmermund Gmbh & Co. | Apparatus for the automatic filling of a magazine |
| GB2272690A (en) * | 1992-11-19 | 1994-05-25 | Bosch Gmbh Robert | Delivering flat objects, e.g. folded boxes to a packaging machine |
| GB2272690B (en) * | 1992-11-19 | 1996-05-22 | Bosch Gmbh Robert | Device for receiving and delivery flat objects in a packaging machine |
| FR2764267A1 (en) * | 1997-06-04 | 1998-12-11 | Finega | Process for automatic supply of shaping machine with pre-cut blanks |
| EP1371563A1 (en) * | 2002-06-14 | 2003-12-17 | TEC.AL.S.r.l. | Feeder for trays |
| US7896793B2 (en) | 2005-11-14 | 2011-03-01 | 3M Innovative Properties Company | Folded boxes and methods of making the same |
| EP2386507A1 (en) * | 2010-05-12 | 2011-11-16 | Müller Martini Holding AG | Book cover applier for supplying book covers to a book end production line and method for applying a stack with book covers and book end production line |
| US8579274B2 (en) | 2010-05-12 | 2013-11-12 | Mueller Martini Holding Ag | Cover feeder for multiple format covers |
Also Published As
| Publication number | Publication date |
|---|---|
| IT1163209B (en) | 1987-04-08 |
| IT8321337V0 (en) | 1983-03-31 |
| IT8320425A0 (en) | 1983-03-31 |
| DE3247563A1 (en) | 1984-06-28 |
| GB8308306D0 (en) | 1983-05-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |