CN112172243A - Carton enclosing frame forming device and method - Google Patents
Carton enclosing frame forming device and method Download PDFInfo
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- CN112172243A CN112172243A CN202011041392.8A CN202011041392A CN112172243A CN 112172243 A CN112172243 A CN 112172243A CN 202011041392 A CN202011041392 A CN 202011041392A CN 112172243 A CN112172243 A CN 112172243A
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- frame
- strip
- surrounding
- surrounding strip
- foxing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/26—Folding sheets, blanks or webs
- B31B50/44—Folding sheets, blanks or webs by plungers moving through folding dies
- B31B50/444—Folding sheets, blanks or webs by plungers moving through folding dies having several plungers moving in a closed path and cooperating with stationary folding dies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/006—Controlling; Regulating; Measuring; Improving safety
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/02—Feeding or positioning sheets, blanks or webs
- B31B50/04—Feeding sheets or blanks
- B31B50/042—Feeding sheets or blanks using rolls, belts or chains
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Abstract
The invention relates to a carton enclosing frame forming device and an enclosing frame method, wherein the enclosing frame forming device comprises a conveyor belt component and an enclosing frame component; the conveying belt assembly is used for receiving and conveying the surrounding strip to a designated position and comprises two conveying belts, a driving roller and a driven roller, the two conveying belts are symmetrically sleeved at the left end and the right end of the driving roller and the driven roller at intervals, and the two conveying belts are driven to synchronously rotate when the driving roller rotates; the spacing width between the two conveying belts is longer than the length of the short side block in the enclosing strip and shorter than the sum of the lengths of the long side block and the short side block in the enclosing strip; the surrounding strip is conveyed to the lower part of the mold at the designated position by the conveying belt; the border setting of long limit and foxing minor face under the foxing is under the mould under the foxing, and the border of foxing lower long limit and foxing minor face sets up in the edge of conveyer belt, encloses frame forming device and promotes the foxing upset upwards through enclosing the frame subassembly to each limit of will enclosing tightly presses and encloses the frame shaping on the mould. The invention has stable conveying, high forming speed of the enclosure frame and high flexibility.
Description
Technical Field
The invention relates to the field of carton production, in particular to a carton enclosing frame forming device and an enclosing frame method.
Background
On most cigarette case production lines in China at present, before enclosing the frame operation, the conveyor of foxing all is reciprocating motion, and conveyor transports the foxing promptly and appoints the position after, need reset, just can carry next foxing. The reciprocating conveying mode enables the conveying device to have an idle return stroke after the conveying is finished, so that the conveying time is wasted, and the cigarette case production efficiency is reduced.
In addition, the enclosing frame mode of the existing enclosing frame forming device is the same as or different from the existing enclosing frame mode, the enclosing frame for fixing the size of the paper box is carried out by utilizing a fixing structure, the application range is narrow, and the flexibility is low.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a carton enclosing frame forming device and an enclosing frame method.
In order to achieve the purpose, the invention provides the following technical scheme:
the forming device for the paper box enclosure frame is characterized by comprising a conveyor belt assembly and an enclosure frame assembly;
the conveying belt assembly is used for receiving and conveying the surrounding strip to a designated position and comprises two conveying belts, a driving roller and a driven roller, the two conveying belts are symmetrically sleeved at the left end and the right end of the driving roller and the driven roller at intervals, and when the driving roller rotates, the two conveying belts are driven to synchronously rotate; the spacing width between the two conveying belts is longer than the length of the short side block in the foxing and shorter than the sum of the lengths of the long side block and the short side block in the foxing;
the conveying belt conveys the surrounding strip to the position below the mold at the designated position; the long limit is located under the foxing under the mould, under the foxing long limit with the juncture setting of foxing minor face is in the edge of conveyer belt, enclose frame forming device and pass through enclose the frame subassembly and promote the foxing upwards overturns, and will each limit of foxing is pressed tightly enclose the frame shaping on the mould.
Furthermore, one side of the mould is provided with a surrounding strip baffle, the other side of the mould is provided with a leveling component, and the end surface of the surrounding strip baffle is higher than the end surface of the mould and is used for preventing the surrounding strip from deviating towards the outside of the surrounding frame forming device; enclose frame forming device frame top below installation can the adjusting position the parallel and level subassembly, the parallel and level subassembly move to with the foxing baffle is relative mould one side is used for the adjustment the foxing position prevents the foxing to enclose skew in the frame forming device.
Further, the leveling component comprises a positioning frame, a leveling linear module, a leveling component motor, a leveling component guide rod and a leveling cylinder; the parallel and level subassembly motor is fixed on the frame top crossbeam, the parallel and level subassembly motor passes through parallel and level subassembly guide arm with the parallel and level cylinder links to each other, the parallel and level cylinder is through the drive the linear module of parallel and level drives the locating frame carries out elevating movement.
Further, the surface of the mold is provided with air holes, the mold sucks air inwards through the air holes, and negative pressure is formed on the surface of the mold.
Furthermore, the edge of the inner side of the mold is provided with an air nozzle respectively, and the air nozzles spray air outwards.
Furthermore, the surrounding strip is formed by arranging a right short edge, an upper long edge, a left short edge and a lower long edge of the surrounding strip from left to right in sequence; the enclosure frame assembly comprises a left air cylinder, a left pressure rod, an upper pressure rod, a right pressure plate, a shovel lug pressing block, a right air cylinder, a shovel lug air cylinder and an upper air cylinder;
the left pressure lever is horizontally and transversely arranged in the interval between the two conveying belts, the left air cylinder is arranged below the conveying belts, the output end of the left air cylinder is connected with the left pressure lever, and the left air cylinder drives the left pressure lever to turn upwards; the bottom of the upper pressure rod is connected with the output end of the upper air cylinder, the top of the upper pressure rod is inclined upwards, and the upper air cylinder drives the upper pressure rod to rotate downwards towards the surrounding strip; the right pressing plate is connected with the output end of the right air cylinder, and the right air cylinder drives the right pressing plate to move towards the right short edge of the surrounding strip; the shovel ear briquetting with shovel ear cylinder output meets, shovel ear cylinder drive the shovel ear briquetting bulldozes the outstanding long facial tissue of foxing minor face tip.
Furthermore, the surrounding strip is formed by arranging an upper long edge, a left short edge, a lower long edge and a right short edge of the surrounding strip from left to right in sequence; the enclosure frame assembly comprises a left air cylinder, a left pressure lever, an upper pressure lever, a right air cylinder and an upper air cylinder;
the left compression bar and the right compression bar are arranged in a left-right symmetrical mode by taking the right conveying belt as a center, and the left compression bar is horizontally and transversely arranged in an interval between the two conveying belts; the left air cylinder and the right air cylinder are respectively arranged below the conveying belt, and the output ends of the left air cylinder and the right air cylinder are respectively connected with the left pressure lever and the right pressure lever and respectively drive the left pressure lever and the right pressure lever to push the surrounding strip to turn upwards; the upper pressure rod is connected with the output end of the upper air cylinder and arranged on the right side of the front part of the frame of the enclosure frame forming device, the top of the upper pressure rod inclines upwards, and the upper air cylinder drives the upper pressure rod to rotate downwards towards the enclosure strip.
The invention also discloses a frame enclosing method realized by the carton frame enclosing forming device, which is characterized by comprising the following steps of:
s1, placing a mold at a designated position above the front part of the right side conveying belt, and conveying the horizontally and transversely placed enclosing strips to the two conveying belts of the enclosing frame forming device;
s2, conveying the enclosing strip to the position below the mold by the conveying belt, wherein the lower long edge of the enclosing strip is positioned right below the mold, and the conveying belt stops rotating;
s3, driving the die to move downwards, pressing the lower long edge of the surrounding strip tightly on the conveying belt on the right side, driving the left air cylinder to drive the left pressure rod to turn upwards, pushing the left short edge and the upper long edge of the surrounding strip to turn upwards by taking the junction of the lower long edge and the left short edge of the surrounding strip as an axis, enabling the upper long edge of the surrounding strip to fall on the top surface of the die, enabling the right short edge of the surrounding strip to fall on the right side surface of the die, pushing the surrounding strip through the leveling component, adjusting the position of the surrounding strip, and pressing the left short edge of the surrounding strip tightly on the left side surface of the die through;
s4, driving the upper pressure rod to rotate downwards towards the surrounding strip by the upper cylinder, and pressing the upper long edge of the surrounding strip on the top surface of the die;
s5, driving a right pressure plate to tightly press the right short edge of the surrounding strip on the right side surface of the mold by a right air cylinder;
s6, driving the shovel lug pressing block by the shovel lug cylinder to stick the long-faced paper protruding from the end part of the right short side of the surrounding strip to the lower long side of the surrounding strip to surround the surrounding strip into a surrounding frame;
and S7, resetting each air cylinder, and moving the die and the surrounding frame on the die upwards to leave the conveyer belt and enter the next station.
The invention also discloses a frame enclosing method realized by the carton frame enclosing forming device, which is characterized by comprising the following steps of:
s1, placing a mold at a designated position above the front part of the right side conveying belt, and conveying the horizontally and transversely placed enclosing strips to the two conveying belts of the enclosing frame forming device;
s2, conveying the enclosing strip to the position below the mold by the conveying belt, wherein the lower long edge of the enclosing strip is positioned right below the mold, and the conveying belt stops rotating;
s3, driving the die to move downwards, pressing the lower long edge of the surrounding strip tightly on the conveying belt on the right side, driving the left cylinder to drive the left pressure rod to turn upwards, pushing the left short edge and the upper long edge of the surrounding strip to turn upwards by taking the junction of the lower long edge and the left short edge of the surrounding strip as an axis, enabling the upper long edge of the surrounding strip to fall on the top surface of the die, pushing the surrounding strip through the leveling component, adjusting the position of the surrounding strip, and pressing the left short edge of the surrounding strip tightly on the left side surface of the die by the left pressure rod;
s4, the right cylinder drives the right pressure lever to push the right short edge of the surrounding strip to turn upwards until the right short edge is tightly pressed on the right side surface of the die;
s5, driving the upper pressure lever to rotate downwards towards the surrounding strip by the upper cylinder, pressing the upper long edge of the surrounding strip on the top surface of the mould, and sticking the long face paper protruding from the end part of the right short edge of the surrounding strip on the upper long edge of the surrounding strip in the pushing process to enclose the surrounding strip into a surrounding frame;
and S6, resetting each air cylinder, and moving the die and the surrounding frame on the die upwards to leave the conveyer belt and enter the next station.
The invention also discloses a carton production system which is characterized by comprising the carton enclosure frame forming device.
The invention has the beneficial effects that:
the invention has the advantages of stable conveying, high frame forming speed, wide application range and high flexibility. The invention drives the two conveyer belts with preset intervals to synchronously rotate circularly by one driving roller, ensures the synchronous movement of the two ends of the enclosing strip, has high conveying stability and high conveying efficiency, and the conveyer belts can be flexibly adjusted according to the size of the paper box and have wide application range to the size of the paper box. The invention pushes the surrounding strip from the bottom of the surrounding strip through the left pressure rod, quickly pushes the surrounding strip to the die, greatly facilitates the operation of pressing each edge of the surrounding strip on the die, and has high forming efficiency. In addition, the invention also solves the problem that the adhesive-coated surface of the long face paper is easy to be adhered with other parts in the forming process.
Drawings
FIG. 1 is a schematic view of a long length of tissue paper according to the present invention;
FIG. 2 is a schematic view of the structure of the gray plate of the present invention;
FIG. 3 is a front view of the carton enclosure frame forming apparatus of the present invention;
FIG. 4 is a top view of the carton enclosure frame forming apparatus of the present invention;
FIG. 5 is a schematic diagram of a surrounding frame of a surrounding strip according to an embodiment of the present invention;
FIG. 6 is a schematic view of a surrounding frame of a surrounding strip according to a second embodiment of the present invention;
FIG. 7 is a schematic structural view of a long-length tissue paper folding and attaching device according to the present invention;
FIG. 8 is a front view of the folding portion of the long length tissue folding and applying apparatus of the present invention;
FIG. 9 is a top view of the folding portion of the long-side paper folding and gluing device of the present invention.
Wherein: 1-left cylinder, 2-left pressure lever, 3-upper pressure lever, 4-right pressure plate, 5-lug pressing block, 6-right cylinder, 7-lug pressing cylinder, 8-upper cylinder, 9-conveying belt, 10-driving roller, 11-driven roller, 12-connecting belt, 13-motor, 14-die, 14.1-air hole, 15-positioning frame, 16-nozzle, 17-parallel linear module, 18-parallel component motor, 19-parallel component guide rod, 20-parallel cylinder, 21-pressure plate cylinder, 22-cardboard folding frame, 23-pressure plate, 24-folding cylinder, 25-bottom plate cylinder, 26-connecting rod, 27-folding laminating block and 28-folding cylinder fixing plate.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the present specification, terms of orientation or positional relationship such as up, down, left, right, inside, outside, front, rear, head, and tail are established based on the orientation or positional relationship shown in the drawings. The corresponding positional relationship may also vary depending on the drawings, and therefore, should not be construed as limiting the scope of protection.
In the present invention, the terms "mounted," "connected," "fixed," and the like are to be understood in a broad sense, and for example, may be fixedly connected, detachably connected, integrally connected, mechanically connected, electrically connected or capable of communicating with each other, directly connected, indirectly connected through an intermediate medium, or communicated between two components, or interacting between two components. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Example one
This embodiment has recorded a carton encloses frame forming device, and this encloses frame forming device is applicable to the frame process that encloses in the carton production system, and it utilizes gravity and inertia to accomplish and encloses the frame action, simplifies and encloses the frame process, but swiftly encloses into enclosing the frame with the foxing.
The enclosing strip used by the forming device is formed by adhering an ash plate and long-side paper together and folding an additional block (used for coating the inner side of the ash plate) protruding from one side of the long-side paper by 180 degrees.
Fig. 1 and 2 show a schematic structure of a long-length paper and a long-length gray board. The long facial tissue comprises a long edge block and two short edge blocks (hereinafter, also referred to as a long edge and a short edge) for forming the target paper box enclosure frame, the two short edge blocks are respectively arranged at two ends of the long edge, and the outer ends of the two short edge blocks are also provided with protruding facial tissue. The long facial tissue is whole to be divided into two parts from top to bottom (long facial tissue is wider than the hawk for cardboard one side reserves the long facial tissue that is used for interior bordure, the long facial tissue that bottom bordure is reserved to the opposite side, the upper portion is used for enclosing the inboard endocyst block of hawk (also contains one short two long three blocks), the lower part is used for enclosing the outsourcing block (contains one short two long three blocks) in the hawk outside, three outsourcing block also is three main block, the below of three outsourcing block and the lateral part of controlling two outsourcing blocks have outstanding facial tissue, be used for the bottom to bond, it is short for "bottom bor. The hawk is the stereoplasm cardboard, including two long limit blocks and two short edge blocks that enclose the frame, and the short edge, long limit block interval link to each other, more a long limit block than long facial tissue promptly, and the hawk width is less than long facial tissue size, has between two arbitrary adjacent blocks on the hawk and cuts in advance or through the crease that other modes formed. For example, a triangular area is cut away at the upper portion in the thickness direction at the block spacing line, so that the gray board is more easily bent toward the inner surface side of the gray board at the position where two blocks are adjacent, and the outer surface side is still connected.
When the gray board is bonded on the long-side paper, the back of the gray board faces the long-side paper, the three blocks of the gray board respectively correspond to the three blocks with bound edges at the lower part of the long-side paper (the three inner-wrapped blocks at the upper part of the long-side paper are exposed and not covered), and one side with a crease (or a cutting mark) faces upwards. The gray board, the long facial tissue and the short facial tissue required by the subsequent process can be designed in a matching way according to the size of the box body.
Before entering the enclosure frame forming device, the inner package block of the long-length paper is folded at 180 degrees, and the ash plate is wrapped to form the enclosure strip. The surrounding strip enters the surrounding frame forming device in a transverse state.
As shown in fig. 3 to 5, the enclosure frame forming device comprises a conveyor belt assembly, a left air cylinder 1, a left pressure rod 2, an upper pressure rod 3, a right pressure plate 4, a shovel ear pressing block 5, a right air cylinder 6, a shovel ear air cylinder 7 and an upper air cylinder 8.
The conveyer belt subassembly is used for receiving and transmitting the foxing to appointed surrounding frame position, and the conveyer belt subassembly comprises conveyer belt 9, drive roll 10, driven voller 11, connecting band 12, motor 13, and two conveyer belts 9 symmetries are cup jointed at both ends about drive roll 10 and driven voller 11, and motor 13 passes through connecting band 12 and links to each other with drive roll 10, and under the motor 13 drive, two conveyer belts 9 synchronous rotations about the drive roll 10 drives.
In this embodiment, two conveyor belts 9 have a certain interval therebetween, and preferably, the interval width is longer than the length of the short side block and shorter than the sum of the lengths of the long side block and the short side block. The width of at least one of the conveyor belts 9 is greater than or equal to the long edge block (the right side conveyor belt in this embodiment) so that the subsequent mold 14 can be pressed on the long edge block. When the wrap strip enters the conveyor belt 9, the border between the long edge block and the adjacent short edge block is arranged at the edge of the conveyor belt 9 close to the middle space. The mounting positions of the two conveyor belts 9 are matched with the surrounding strips, and the conveyor belt assemblies can be exchanged according to the sizes of the cartons. The conveyer belt 9 is the belt that induced drafts, and the foxing can be adsorbed to conveyer belt 9 in transportation process, can ensure the stability of foxing in the transmission course.
The left press rod 2 is arranged in the interval between the left and the right conveying belts 9, and the initial state of the left press rod is horizontal and transverse and is vertical to the conveying direction of the conveying belts 9. The left air cylinder 1 is arranged below the conveying belt 9, the output end of the left air cylinder is connected with the left pressure rod 2, and the left air cylinder is used for driving the left pressure rod 2 to push the enclosing strip to upwards rotate towards a die on the conveying belt 9 and tightly press the left short edge of the enclosing strip. Go up depression bar 3, right clamp plate 4, shovel ear briquetting 5, right cylinder 6, shovel ear cylinder 7, go up the cylinder 8 integrated installation and enclose frame forming device 7 frame front portion on the integrated module on the right side, and go up the depression bar 3, right clamp plate 4, the center of shovel ear briquetting 5 and left depression bar 2 center corresponding. Go up depression bar 3 top slope upwards, the bottom links to each other with the output of last cylinder 8, and under last cylinder 8 drive, go up depression bar 3 can rotate downwards towards the foxing around integrated module for sticis the last long limit of foxing. The right pressing plate 4 is opposite to the right short edge of the surrounding strip and is connected with the output end of the right air cylinder 6, and under the action of the right air cylinder 6, the right pressing plate 4 moves forwards and tightly presses the right short edge of the surrounding strip. The lower extreme position phase-match of shovel ear briquetting 5 and foxing lower long limit meets with the output of shovel ear cylinder 7, and under the effect of shovel ear cylinder 7, shovel ear briquetting 5 bulldozes the outstanding long facial tissue of right minor face, makes it hug closely on the lower long edge of foxing.
The method for enclosing the carton by using the enclosing frame forming device comprises the following steps:
as shown in fig. 5, the foxing strip, which is composed of a right short edge, an upper long edge, a left short edge, and a lower long edge arranged from left to right in sequence, is horizontally and transversely placed on the two conveying belts 9, and is perpendicular to the conveying direction, the junction of the lower long edge and the left short edge of the foxing strip is located at the left edge of the right conveying belt 9, and the left short edge and part of the upper long edge of the foxing strip are located in the interval between the two conveying belts 9, namely above the left pressure lever 2.
The mould 14 is placed at a designated position above the front part of the right-hand conveyor belt 9, the conveyor belt 9 conveys the transversely placed foxing to the position below the mould 14 under the control of the sensor, the lower long edge of the foxing is positioned right below the mould 14, and the conveyor belt 9 stops rotating. The driving die 14 moves downwards, the lower long edge of the enclosing strip is tightly pressed on the conveying belt 9 on the right side, the left cylinder 1 drives the left pressure rod 2 to upwards overturn (in fig. 3 and fig. 4, overturn from the left side to the right side), the left short edge and the upper long edge of the enclosing strip are pushed to upwards overturn by taking the junction of the lower long edge and the left short edge (namely the right long edge block and the short edge block) of the enclosing strip as an axis, in the upwards overturning process of the enclosing strip, the upper long edge and the right short edge block are driven to be thrown out towards the right side, the enclosing frame action is completed by utilizing gravity and inertia, as the grey board is provided with a preset crease (or triangular cutting), and the ash board is pushed upwards between the two conveying belts 9, the enclosing frame action is formed at one time, namely, the upper long edge of the enclosing strip falls on the top surface of the die 14, the right short edge of the enclosing strip falls on the right side surface of the die. The upper cylinder 8 drives the upper pressure rod 3 to rotate downwards towards the surrounding strip, and the upper long edge of the surrounding strip is tightly pressed on the top surface of the mould 14. The right cylinder 6 drives the right press plate 4 to move forward, and the right short edge of the surrounding strip is tightly pressed on the right side surface of the mould 14. Then, the lug air cylinder 7 drives the lug pressing block 5 to move forwards, and the long face paper protruding from the end part of the right short edge of the enclosing strip is pasted on the lower long edge of the enclosing strip, so that the enclosing strip is enclosed into an enclosing frame.
After the enclosure frame is formed, the cylinders are reset, the mold 14 and the enclosure frame on the mold 14 move upwards, leave the conveying belt 9 and enter the next station. And conveying the next mold 14 to the preset position of the right-side conveying belt 9, continuously rotating the conveying belt 9, conveying the next enclosing strip to the specified position, and carrying out enclosing frame forming on the next enclosing strip by the enclosing frame forming device.
The mould 14 used in this embodiment can be mounted on the transfer piece or on the equipment used in the next station and its lifting on the conveyor belt 9 is carried out by the transfer piece or the equipment in the next station.
Preferably, the width of the mold 14 in the front-back direction matches the width of the gray board, and the air holes 14.1 are formed on the surface of the mold 14, so that air is sucked inwards through the air holes 14.1, and negative pressure is formed on the surface of the mold 14 (which can be realized by arranging an air suction assembly on the side or back of the mold 14, communicating the inside of the mold 14, or by other realization methods in the art), so that the enclosure is tightly attached to the mold 14.
In addition, in a preferred implementation mode, the application also solves the problem in the one-step forming process of the gray board and the surface paper, namely, in the one-step forming process, the bonding of the long surface paper to the gray board and the integral forming are involved, after the integral forming, the long surface paper is also reserved with a bottom edge covering for bonding the bottom board, the bottom edge covering is also coated with glue, and once the protruding part is coated with the glue, the protruding part is easily bonded to other parts in the forming process, so that wrinkles or other problems are caused. Therefore, in a preferred implementation mode, the present invention further adds a positive pressure structure to the mold 14, and the strip air nozzles are respectively arranged along the edge of the mold 14 at the inner side of the mold 14 (i.e. the side with the bottom edge of the long facial tissue, taking fig. 4 as an example, the bottom edge of the long facial tissue faces upward in the figure, so that the strip air nozzles are arranged at the edge of the mold 14 facing upward in fig. 4, and blow air from the gap to the outside of the mold 14, so as to form positive pressure, so that the bottom edge of the surrounding strip (i.e. the long facial tissue at the non-folding side) outside the mold 14 can be opened outwards to avoid being stuck on the mold 14 or other parts, and the structure not only ensures accurate molding of the box body, but also avoids uncontrollable sticking of the sticky facial tissue to other parts or box body regions under the coordination of positive and negative pressures.
In addition, in order to ensure that the surrounding bars do not deviate from the mould 14 in the upward rotation process, the mould 14 is provided with a surrounding bar baffle on one side (the lower side in the top view of fig. 4, namely, the side without the long-face paper protruding part on the corresponding surrounding bar), and the end face of the surrounding bar baffle is higher than the end face of the mould 14, so that the surrounding bars can be prevented from deviating towards the outside of the surrounding frame forming device, and the surrounding bars can only deviate towards the other side even if deviating. A leveling component is arranged below a frame top beam of the enclosing frame forming device and used for pushing the enclosing strip from the other side of the mould 14, so that the enclosing strip is not deviated. Preferably, the flush assembly, when lowered into alignment with the mold 14, has an upper edge slightly lower than the upper edge of the rail and higher than the lower edge of the rail, even though its upper edge is in the mid-lower position of the slab in the rail (slab having a certain thickness), the left and right edges being slightly set back with respect to the rail on the mold 14, respectively, and the outer edges facing towards the inner side of the corresponding slab.
In a preferred implementation, the parallel and level assembly includes a positioning frame 15, a nozzle 16, a parallel and level linear module 17, a parallel and level assembly motor 18, a parallel and level assembly guide rod 19, a parallel and level cylinder 20, the parallel and level assembly motor 18 is fixed on a frame top beam, the parallel and level assembly motor 18 is connected with the parallel and level cylinder 20 through the parallel and level assembly guide rod 19, the parallel and level cylinder 20 is pushed to move back and forth (towards or away from a mold 14 to move), the parallel and level cylinder 20 drives the positioning frame 15 to perform lifting movement by driving the parallel and level linear module 17 until the positioning frame is lowered to be generally aligned with the mold 14, namely, the upper edge of the positioning frame 15 is aligned with the. A plurality of nozzles 16 (preferably, strip nozzles) are uniformly distributed on the top surface and the left and right side surfaces of the inner side of the positioning frame 15, the upper nozzles 16 blow air upward, and the left and right nozzles 16 blow air leftward and rightward, respectively. Initially, the parallel and level subassembly is located the side top of mould 14, treat left depression bar 2 and promote the surrounding strip back of upwards overturning, locating frame 15 passes through parallel and level subassembly motor 18, parallel and level cylinder 20 drive moves to 14 one sides of mould relative with the surrounding strip baffle, make the top edge of locating frame 15 be slightly less than the surrounding strip top edge, be higher than the surrounding strip lower limb, continue to remove to 14 directions of mould again, promote the hawk of surrounding strip, thereby adjust the surrounding strip position, make the hem side of surrounding strip hug closely the surrounding strip baffle, the parallel and level subassembly can prevent that the surrounding strip from taking place the skew to enclosing frame forming device 7 in, jet-propelled the glue face that can prevent long facial tissue bottom bordure that nozzle 16 produced from pasting on locating frame 15. After the surrounding strip finishes the surrounding frame action, the parallel and level assembly resets upwards.
In addition, if the production line is set to conduct the die 14 to the designated position above the front part of the left side conveying belt 9, the upper pressure rod 3, the right pressure plate 4, the shovel lug pressing block 5, the right air cylinder 6, the shovel lug air cylinder 7 and the upper air cylinder 8 can be integrally installed on an integrated module on the left side of the front part of the frame of the enclosure frame forming device, the left air cylinder 1 drives the left pressure rod 2 to rotate towards the left upper side, the principle is the same, and the description is omitted.
In addition, spare parts such as left depression bar 2, last depression bar 3, right clamp plate 4 and carton specification phase-match, when producing different products, can change into the spare part of corresponding specification through simple dismantlement.
Example two
The embodiment describes a forming device for a paper box enclosure frame, which is different from the forming device in the first embodiment in that the used enclosure strip is formed by arranging an upper long edge, a left short edge, a lower long edge and a right short edge of the enclosure strip from left to right in sequence, and the forming device can simultaneously press the upper long edge of the enclosure frame and push long paper protruding from the end part of the right short edge by using an upper pressure rod 3.
Specifically, the enclosing frame forming device comprises a conveyor belt assembly, a left air cylinder 1, a left pressure rod 2, an upper pressure rod 3, a right pressure rod, a right air cylinder 6 and an upper air cylinder 8.
The structure of the conveyor belt assembly is the same as that of the conveyor belt assembly in the first embodiment, and the detailed description is omitted.
The molding apparatus will be described below by taking an example in which the mold 14 is enclosed on the right-side conveyor 9.
The width of right side conveyer belt 9 equals with foxing length of long limit down, and left depression bar 2 and right depression bar use right side conveyer belt 9 to set up as central bilateral symmetry, and left depression bar 2 sets up in the interval between two conveyer belts 9, and initial condition is horizontal, and is mutually perpendicular with conveyer belt 9 direction of transfer, and right depression bar setting is on the right side of right side conveyer belt 9. Left cylinder 1 and right cylinder 6 set up respectively in conveyer belt 9 below, and the output of left cylinder 1 meets with left depression bar 2 for drive left depression bar 2 promotes the foxing and upwards overturns, and compresses tightly the left minor face of foxing, and the output of right cylinder 6 meets with right depression bar, is used for drive right depression bar to promote the foxing right minor face upwards rotatory, and compresses tightly right minor face. The output ends of the upper pressure rod 3 and the upper air cylinder 8 are connected and are arranged on the right side of the front part of the frame of the enclosure frame forming device, the top of the upper pressure rod 3 inclines upwards, the upper pressure rod 3 rotates downwards towards the enclosure strip under the driving of the upper air cylinder 8 and is used for compressing the upper long edge of the enclosure frame and pushing and pressing the facial tissue protruding from the right short edge of the enclosure strip to enable the facial tissue to be tightly attached to the upper long edge of the enclosure strip.
The method for enclosing the carton by using the enclosing frame forming device comprises the following steps:
as shown in fig. 6, the upper long edge, the left short edge, the lower long edge and the right short edge of the foxing are arranged from left to right in sequence and are horizontally placed on two conveying belts 9, the foxing is perpendicular to the conveying direction, the junction of the lower long edge and the left short edge of the foxing is positioned at the left edge of the right conveying belt 9, the junction of the lower long edge and the right short edge of the foxing is positioned at the right edge of the right conveying belt 9, and the left short edge and the partial upper long edge of the foxing are positioned in the interval between the two conveying belts 9, namely above the left compression bar 2.
The mould 14 is placed at a designated position above the front part of the right-hand conveyor belt 9, the conveyor belt 9 conveys the transversely placed foxing to the position below the mould 14 under the control of the sensor, the lower long edge of the foxing is positioned right below the mould 14, and the conveyor belt 9 stops rotating. Drive mould 14 downstream, sticis the lower long limit of foxing on the conveyer belt 9 on right side, left cylinder 1 drive left depression bar 2 promotes the foxing and upwards overturns (as shown in fig. 6, from the left side upset to the upper right), the left minor face that promotes the foxing and last long limit use under the foxing juncture of long limit and left minor face to overturn for the axle, the last long limit that makes the foxing falls on the top surface of mould 14, and simultaneously, drive parallel and level subassembly promotes the foxing, the adjustment foxing position, the foxing baffle is hugged closely to the hem side of messenger's foxing, then, compress tightly the left minor face of foxing on mould 14 left surface through left depression bar 2. The right cylinder 6 drives the right pressure rod to push the right short edge of the surrounding strip to turn upwards until the right short edge is tightly pressed on the right side surface of the die 14. The upper cylinder 8 drives the upper pressure rod 3 to rotate downwards towards the surrounding strip, the upper long edge of the surrounding strip is tightly pressed on the top surface of the mould 14, and meanwhile, in the pushing process, the long face paper protruding from the end part of the right short edge of the surrounding strip is adhered to the upper long edge of the surrounding strip, so that the surrounding strip is surrounded into a surrounding frame. After the enclosure frame is formed, the cylinders are reset, the mold 14 and the enclosure frame on the mold 14 move upwards, leave the conveying belt 9 and enter the next station. And conveying the next mold 14 to the preset position of the right-side conveying belt 9, continuously rotating the conveying belt 9, conveying the next enclosing strip to the specified position, and carrying out enclosing frame forming on the next enclosing strip by the enclosing frame forming device.
In another preferred implementation, the foxing is realized by folding the inner bag block of the long-length paper by 180 degrees by using a paperboard folding and attaching device, and of course, the foxing can also be realized by using other edge-covering devices.
As shown in fig. 7 to 9, the cardboard folding and attaching device mainly includes a pressing plate cylinder 21, a cardboard folding frame 22, a pressing plate 23, a folding cylinder 24, a bottom plate cylinder 25, a connecting rod 26, a folding and attaching block 27, and a folding cylinder fixing plate 28. The two pressing plate cylinders 21 are symmetrically arranged at the top of the paperboard folding frame 22, the output ends of the two pressing plate cylinders 21 are connected with the pressing plate 23, the pressing plate 23 is driven to lift together, and the downward pressure exerted by the pressing plate 23 can be ensured to be balanced. At the conveyer belt 14 and close to one side below of enclosing frame forming device 7, bottom plate cylinder 25 installs on the auxiliary frame, hem cylinder 24 passes through hem cylinder fixed plate 28 and installs at bottom plate cylinder 25 output, the output of hem cylinder 24 passes through connecting rod 26 and links to each other with the fixed axle, the bearing is installed on hem cylinder fixed plate 28 at the fixed axle both ends, a plurality of hem laminating piece 27 equipartitions are installed on the fixed axle, when hem cylinder 24 promotes the fixed axle and rotates, drive hem laminating piece 27 and rotate simultaneously, and when initial, hem laminating piece 27 upper surface height is less than conveyer belt 14 height. In addition, the part of the lower surface of the folding edge attaching block 27 close to the fixed shaft is provided with a downward protruding inclined surface for pressing the inner bag block of the paper board to enable the inner bag block to be attached to the gray board.
While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing embodiments are merely illustrative of exemplary implementations of the invention and are not limiting of the scope of the invention. The details of the embodiments are not to be interpreted as limiting the scope of the invention, and any obvious changes, such as equivalent alterations, simple substitutions and the like, based on the technical solution of the invention, can be interpreted without departing from the spirit and scope of the invention.
Claims (10)
1. The forming device for the paper box enclosure frame is characterized by comprising a conveyor belt assembly and an enclosure frame assembly;
the conveying belt assembly is used for receiving and conveying the surrounding strip to a designated position and comprises two conveying belts (9), a driving roller (10) and a driven roller (11), the two conveying belts (9) are symmetrically sleeved at the left end and the right end of the driving roller (10) and the driven roller (11) at intervals, and when the driving roller (10) rotates, the two conveying belts (9) are driven to synchronously rotate; the spacing width between the two conveying belts (9) is longer than the length of the short side block in the foxing and shorter than the sum of the lengths of the long side block and the short side block in the foxing;
the conveying belt (9) conveys the surrounding strip to a position below a mold (14) at a designated position; the long limit is located under foxing under mould (14), under the foxing long limit with the juncture setting of foxing minor face is in the edge of conveyer belt (9), enclose frame forming device pass through enclose the frame subassembly and promote the foxing upwards overturns, and will each limit of foxing sticiss enclose the frame shaping on mould (14).
2. The carton bounding frame forming device according to claim 1, characterized in that the die (14) is provided with a bounding wall baffle on one side and a leveling component on the other side, and the end surface of the bounding wall baffle is higher than the end surface of the die (14) for preventing the bounding wall from deviating outwards the bounding frame forming device; enclose frame forming device frame top below installation can the adjusting position the parallel and level subassembly, the parallel and level subassembly move to with the foxing baffle is relative mould (14) one side for the adjustment the foxing position prevents the foxing to enclose the skew in the frame forming device.
3. The carton enclosing frame forming device according to claim 2, wherein the leveling assembly comprises a positioning frame (15), a leveling linear module (17), a leveling assembly motor (18), a leveling assembly guide rod (19) and a leveling cylinder (20); parallel and level subassembly motor (18) are fixed on the frame top crossbeam, parallel and level subassembly motor (18) pass through parallel and level subassembly guide arm (19) with parallel and level cylinder (20) link to each other, parallel and level cylinder (20) are through the drive the linear module of parallel and level (17) drive positioning frame (15) carry out elevating movement.
4. The carton enclosing frame forming device according to the claim 1, characterized in that the air holes (14.1) are arranged on the surface of the mould (14), the mould (14) sucks air inwards through the air holes (14.1), and negative pressure is formed on the surface of the mould (14).
5. The carton frame forming device according to claim 4, characterized in that the inner side edges of the molds (14) are respectively provided with air nozzles which spray air outwards.
6. The carton surrounding frame forming device according to claim 1, wherein the surrounding strip is formed by arranging a right short edge, an upper long edge, a left short edge and a lower long edge of the surrounding strip from left to right in sequence; the enclosing frame assembly comprises a left air cylinder (1), a left pressure rod (2), an upper pressure rod (3), a right pressure plate (4), a shovel lug pressing block (5), a right air cylinder (6), a shovel lug air cylinder (7) and an upper air cylinder (8);
the left pressure lever (2) is horizontally and transversely arranged in the interval between the two conveyer belts (9), the left air cylinder (1) is arranged below the conveyer belts (9), the output end of the left air cylinder is connected with the left pressure lever (2), and the left air cylinder (1) drives the left pressure lever (2) to turn upwards; the bottom of the upper pressure rod (3) is connected with the output end of the upper cylinder (8), the top of the upper pressure rod is inclined upwards, and the upper cylinder (8) drives the upper pressure rod (3) to rotate downwards towards the surrounding strip; the right pressing plate (4) is connected with the output end of the right air cylinder (6), and the right air cylinder (6) drives the right pressing plate (4) to move towards the right short side of the surrounding strip; the shovel ear pressing block (5) is connected with the output end of the shovel ear cylinder (7), and the shovel ear cylinder (7) drives the shovel ear pressing block (5) to push and press the long surface paper protruding from the end part of the short side of the foxing.
7. The carton surrounding frame forming device according to claim 1, wherein the surrounding strip is formed by arranging an upper long edge, a left short edge, a lower long edge and a right short edge of the surrounding strip from left to right in sequence; the enclosure frame assembly comprises a left air cylinder (1), a left pressure lever (2), an upper pressure lever (3), a right pressure lever, a right air cylinder (6) and an upper air cylinder (8);
the left compression bar (2) and the right compression bar are arranged in a bilateral symmetry mode by taking the right conveying belt (9) as a center, and the left compression bar (2) is horizontally and transversely arranged in an interval between the two conveying belts (9); the left air cylinder (1) and the right air cylinder (6) are respectively arranged below the conveying belt (9), and the output ends of the left air cylinder (1) and the right air cylinder (6) are respectively connected with the left pressure lever (2) and the right pressure lever and respectively drive the left pressure lever (2) and the right pressure lever to push the surrounding strip to turn upwards; the upper pressure rod (3) is connected with the output end of the upper air cylinder (8) and arranged on the right side of the front part of the frame of the enclosure frame forming device, the top of the upper pressure rod (3) inclines upwards, and the upper air cylinder (8) drives the upper pressure rod (3) to rotate downwards towards the enclosure strip.
8. A bounding box method realized by using the carton bounding box forming device according to any one of claims 1 to 6, characterized in that the bounding box method comprises the following steps:
s1, placing a die (14) at a designated position above the front part of the right side conveying belt (9), and conveying the horizontally and transversely placed foxing strips to two conveying belts (9) of the fence frame forming device;
s2, the enclosing strip is conveyed to the position below the mold (14) by the conveyer belt (9), the lower long edge of the enclosing strip is positioned right below the mold (14), and the conveyer belt (9) stops rotating;
s3, driving the die (14) to move downwards, pressing the lower long edge of the surrounding strip tightly on the conveying belt (9) on the right side, driving the left pressure rod (2) to turn upwards by the left air cylinder (1), pushing the left short edge and the upper long edge of the surrounding strip to turn upwards by taking the junction of the lower long edge and the left short edge of the surrounding strip as an axis, enabling the upper long edge of the surrounding strip to fall on the top surface of the die (14), enabling the right short edge of the surrounding strip to fall on the right side surface of the die (14), pushing the surrounding strip through the parallel and level assembly, adjusting the position of the surrounding strip, and pressing the left short edge of the surrounding strip tightly on the left side surface of the die (14) by the left pressure rod (;
s4, driving the upper pressure lever (3) to rotate downwards towards the surrounding strip by the upper cylinder (8), and pressing the upper long edge of the surrounding strip on the top surface of the mould (14);
s5, driving a right pressing plate (4) by a right air cylinder (6) to tightly press the right short edge of the surrounding strip on the right side surface of the mold (14);
s6, driving a shovel lug pressing block (5) by a shovel lug cylinder (7) to stick the long-faced paper protruding from the end part of the right short side of the surrounding strip to the lower long side of the surrounding strip, and surrounding the surrounding strip into a surrounding frame;
s7, resetting each air cylinder, and moving the die (14) and the surrounding frame on the die (14) upwards to leave the conveyer belt (9) and enter the next station.
9. A surrounding frame method implemented by the carton surrounding frame forming device according to any one of claims 1 to 5 and claim 7, wherein the surrounding frame method comprises the following steps:
s1, placing a die (14) at a designated position above the front part of the right side conveying belt (9), and conveying the horizontally and transversely placed foxing strips to two conveying belts (9) of the fence frame forming device;
s2, the enclosing strip is conveyed to the position below the mold (14) by the conveyer belt (9), the lower long edge of the enclosing strip is positioned right below the mold (14), and the conveyer belt (9) stops rotating;
s3, driving the die (14) to move downwards, pressing the lower long edge of the surrounding strip tightly on the conveying belt (9) on the right side, driving the left pressure lever (2) to turn upwards by the left air cylinder (1), pushing the left short edge and the upper long edge of the surrounding strip to turn upwards by taking the junction of the lower long edge and the left short edge of the surrounding strip as an axis, enabling the upper long edge of the surrounding strip to fall on the top surface of the die (14), pushing the surrounding strip through the leveling component, adjusting the position of the surrounding strip, and pressing the left short edge of the surrounding strip tightly on the left side surface of the die (14) by the left pressure lever (2);
s4, the right cylinder (6) drives the right pressure lever to push the right short side of the surrounding strip to turn upwards until the right short side is tightly pressed on the right side surface of the die (14);
s5, driving the upper pressure lever (3) to rotate downwards towards the surrounding strip by the upper air cylinder (8), pressing the upper long edge of the surrounding strip on the top surface of the mould (14), and sticking the long face paper protruding from the end part of the right short edge of the surrounding strip on the upper long edge of the surrounding strip in the pushing process to enclose the surrounding strip into a surrounding frame;
s6, resetting each air cylinder, and moving the die (14) and the surrounding frame on the die (14) upwards to leave the conveyer belt (9) and enter the next station.
10. A carton production system, characterized in that the production system comprises a carton enclosure forming apparatus as claimed in any one of claims 1 to 7.
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