CN108943877B - Paper tube body back cover device - Google Patents
Paper tube body back cover device Download PDFInfo
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- CN108943877B CN108943877B CN201811163565.6A CN201811163565A CN108943877B CN 108943877 B CN108943877 B CN 108943877B CN 201811163565 A CN201811163565 A CN 201811163565A CN 108943877 B CN108943877 B CN 108943877B
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- 230000007246 mechanism Effects 0.000 claims abstract description 112
- 238000012545 processing Methods 0.000 claims abstract description 29
- 238000007599 discharging Methods 0.000 claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008569 process Effects 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 7
- 230000033001 locomotion Effects 0.000 claims abstract description 6
- 239000003292 glue Substances 0.000 claims description 39
- 230000005540 biological transmission Effects 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 7
- 239000000203 mixture Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000010924 continuous production Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
Classifications
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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
- B31D—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER, NOT PROVIDED FOR IN SUBCLASSES B31B OR B31C
- B31D5/00—Multiple-step processes for making three-dimensional articles ; Making three-dimensional articles
- B31D5/0086—Making hollow objects
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Abstract
The invention discloses a paper tube body bottom sealing device, which comprises a rotary table which intermittently rotates, wherein a plurality of positioning mechanisms are circumferentially distributed on the rotary table, and the positioning mechanisms pass through a feeding station, a screwing station, a leveling station and a discharging station which are arranged on a frame in the process of rotating along with the rotary table; the feeding station is provided with a cylinder feeding mechanism for loading the cylinder body of the paper cylinder into the positioning mechanism; the screwing station comprises a rotary screwing die which is arranged corresponding to the positioning mechanism; the leveling station comprises a rotary leveling die which is arranged corresponding to the positioning mechanism; the cylinder unloading station is provided with a cylinder withdrawing mechanism for withdrawing the paper cylinder from the positioning mechanism; the rotary screwing die and the rotary leveling die are respectively arranged on a sliding platform, the sliding platform linearly reciprocates along the guide rail under the action of the driving mechanism, and the movement direction points to the positioning mechanism. The processing of the body back cover of the paper tube can be efficiently and reliably completed, and the equipment has low cost and easy maintenance.
Description
Technical Field
The invention relates to processing equipment for sealing a bottom end opening of a paper tube.
Background
Many times, the ports of the paper tube are to be closed, for example:
the combined firework is a firework product formed by combining a plurality of single barrels. The single tube is a firework paper tube, and is also called an outer tube or a firework outer tube in the industry because the single tube is often filled with an inner tube filled with effect medicine. The two ports of the firework paper tube (comprising the inner tube and the outer tube) rolled by paper are both in an opening state. In the traditional process, the bottom end opening of the firework paper cylinder is sealed by a mud layer (commonly called mud head or mud bottom) which is built under pressure.
In order to avoid the defects of difficult construction of a mud layer, limited structural strength, unfavorable recovery and the like, a novel firework paper tube in large batch is required to be industrialized, the bottom end port of the rolled firework paper tube is treated, a flat bottom end port formed by the side wall of the tube near the bottom end port is formed to seal the firework paper tube, and the firework paper tube is called as a body back cover, so that the original mud bottom is replaced. Corresponding processing equipment must be developed to accomplish the corresponding work.
Disclosure of Invention
In order to solve the above-mentioned drawback, the invention aims to solve the technical problem of providing a processing device for finishing the back cover of the paper tube body. In order to solve the technical problems, the invention adopts the technical scheme that the paper tube body back cover device comprises a rotary table which intermittently rotates, and a plurality of positioning mechanisms are circumferentially distributed on the rotary table; the feeding station is provided with a cylinder feeding mechanism for loading the cylinder body of the paper cylinder into the positioning mechanism; the screwing station comprises a rotary screwing die which is arranged corresponding to the positioning mechanism; the leveling station comprises a rotary leveling die which is arranged corresponding to the positioning mechanism; the cylinder unloading station is provided with a cylinder withdrawing mechanism for withdrawing the paper cylinder from the positioning mechanism; the rotary screwing die and the rotary leveling die are respectively arranged on a sliding platform, the sliding platform linearly reciprocates along the guide rail under the action of the driving mechanism, and the movement direction points to the positioning mechanism.
The working process of the body bottom sealing device is that the cylinder feeding mechanism loads the cylinder body of the paper cylinder into the positioning mechanism at the feeding station to finish feeding; rotating to a screwing station, moving a sliding platform towards a positioning mechanism to sleeve a screwing die on a bottom port of the cylinder body and apply pressure to the cylinder body, and rotating the die and combining the effect of glue to soften the cylinder wall at the bottom end part of the cylinder body to screw the cylinder body towards the axial center of the cylinder body; then turning to a leveling station, enabling the sliding platform to move towards the positioning mechanism to sleeve the leveling die on the screwing part of the cylinder, and pressing the screwing part to level and seal the port of the cylinder to form a flat-bottom sealing port; continuing to rotate to a discharging station, and withdrawing the paper tube from the positioning mechanism by the tube withdrawing mechanism to finish discharging; and drying to obtain the finished product.
The invention has the advantages that the invention can efficiently and reliably finish the processing of the body back cover of the paper tube, and has low equipment cost and easy maintenance.
In order to improve the processing speed, preferably, a humidifying station is arranged between the feeding station and the screwing station and comprises a humidifying cavity, the humidifying cavity is communicated with a water supply mechanism, the humidifying cavity is arranged on a sliding platform, the sliding platform linearly reciprocates along a guide rail under the action of a driving mechanism, and the moving direction points to the positioning mechanism.
In order to improve the reliability of the operation, the energy consumption is reduced. Preferably, the sliding platform of each station adopts a crank-link mechanism to drive the reciprocating linear motion, and the driving motor drives each crank-link mechanism through the synchronous transmission mechanism. The synchronous transmission mechanism is such as a transmission gear set, a synchronous belt, a transmission chain wheel and chain set and the like. Further, a buffer spring component is arranged on a connecting rod of the crank connecting rod mechanism. So as to prolong the contact time of the working parts (the humidifying cavity and/or the screwing die and/or the leveling die) and the cylinder body, ensure the processing effect and simultaneously ensure the synchronous coordination of the operation of each station.
Both ports of the paper tube rolled from paper are open. When the cylinder is correspondingly processed, the cylinder body is fixed and positioned in time according to the requirement, the cylinder body is prevented from moving, swinging or rotating in the processing process to finish corresponding work, and the positioning mechanism is a clamp, a cavity, a rod body and the like which can finish the fixed and positioning work of the cylinder body. In order to ensure reliable positioning and facilitate loading and unloading, mechanical automatic continuous production is realized. Preferably, the positioning mechanism comprises a core bar with one fixed end, a pinch roller is arranged on the core bar, and the pinch roller is pressed on the side wall of the core bar under the action of the elastic piece. In order to ensure that the cylinder body smoothly enters and exits the core rod, the tangential direction of the pinch roller is parallel to the axial direction of the core rod. In order to strengthen the fixing and positioning strength. The pinch rollers are distributed on the side wall of the core rod in parallel along the circumference, in particular to two pinch rollers. Preferably, the rotating shaft of the pinch roller is arranged at one end of the swing rod, the other end of the swing rod is hinged on the positioning sleeve, and the spring acts on the pinch roller through the swing rod.
The function of the rotary twisting mold is to deform the wall of the softened (glue or water soaked) paper cylinder towards the axis of the cylinder, and a rotary mold with a conical mold cavity or other forms of mold cavities capable of achieving the function can be adopted.
In order to efficiently complete screwing processing of the firework paper tube, the firework paper tube screwing device is reliable and durable in work and greatly reduces maintenance workload. Preferably, the screwing die comprises a die cavity, a connecting mechanism connected with the rotary driving part is arranged at the tail end of the die cavity, the die cavity comprises an annular port, a chip outlet and a plurality of processing inclined edges are arranged on the side wall of the die cavity between the annular port and the bottom surface of the die cavity, a glue supply pipeline communicated with the glue supply mechanism is arranged in the side wall of the die cavity, a glue outlet is arranged in the die cavity, and the glue outlet is communicated with the glue supply pipeline. Further, the center of the bottom surface of the die cavity is convex, and the lower end of the chip outlet is flush with the bottom surface of the die cavity. So that a mixture of glue and paper dust in the mould cavity cannot remain in the mould cavity. The mixture is prevented from blocking the glue outlet and adhering to the side wall of the die cavity to passivate the inclined edges or grooves, and the die is ensured to work reliably and normally. Preferably, grooves distributed from top to bottom are formed in the surface of the working inclined edge, and the glue outlet is formed in the grooves. Further improving the glue supply and the screwing processing capability.
The rotary leveling die has the function of further pressing and leveling the screwing part processed by the screwing station and forming a flat-bottom closed port. A rotary mold with a flat bottom cavity, or other forms of cavities that achieve the above-described function, may be employed.
In order to efficiently finish the bottom end surface leveling processing of the body back cover firework paper tube, the work is reliable and durable, and the maintenance workload is greatly reduced. The rotary leveling die comprises a die cavity, a connecting mechanism connected with a rotary driving part is arranged at the tail end of the die cavity, and the bottom surface of the die cavity is formed by splicing and combining a plurality of sector slopes; the side wall of the die cavity is provided with a chip outlet. Preferably, the abutment of the two sector-shaped sloping surfaces forms a raised rib, the inner ends of the ribs converging together, the point of convergence being offset from the centre of the bottom surface of the mould cavity. When the confluence point is overlapped with the bottom surface of the die cavity, small holes can appear at the flat bottom port of the processed paper tube, and the quality of the back cover is affected. Therefore, the eccentric treatment is performed to ensure the quality. Preferably, the lower end of the chip outlet is flush with or lower than the bottom surface of the die cavity. The mixture of glue and paper scraps in the die cavity can not be reserved in the die cavity, the phenomenon that the mixture adheres to the side wall or the bottom surface of the die cavity is avoided, and the die is ensured to work reliably and normally.
In order to improve the processing efficiency, preferably, each positioning mechanism on the turntable comprises two sets of assemblies for fixing paper cylinders, wherein the assemblies are arranged in parallel, and the feeding station, the screwing station, the leveling station and the discharging station are correspondingly provided with two sets of cylinder feeding mechanisms, rotary screwing dies, rotary leveling dies and cylinder withdrawing mechanisms.
The feeding station and the cylinder feeding mechanism thereof, the screwing station, the rotary screwing die thereof, the leveling station and the rotary leveling die thereof, the discharging station and the cylinder withdrawing mechanism thereof and the corresponding positioning mechanism form a group of processing flow units. Each unit can also comprise a humidifying station, a humidifying cavity thereof and a corresponding positioning mechanism. In order to increase the processing efficiency, it is preferable to distribute two sets of processing flow units along the circumference of the turntable.
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the invention, whereby the invention is not limited to the specific embodiments disclosed below.
Drawings
FIG. 1 is a schematic diagram of the whole structure of the apparatus in embodiment 1;
FIG. 2 is a schematic diagram showing the overall structure of the apparatus according to the embodiment 1;
FIG. 3 is a schematic diagram of the transmission mechanism of embodiment 1;
FIG. 4 is a schematic structural view of a positioning mechanism according to embodiment 1;
fig. 5 is a schematic perspective view of a screwing die of embodiment 1;
fig. 6 is a front view of the screwing die of example 1;
FIG. 7 is a bottom view of the screwing die of example 1;
FIG. 8 is a top view of the screwing die of example 1;
FIG. 9 is a cross-sectional view taken along the B-B plane as shown in FIG. 8;
fig. 10 is a schematic diagram of the mating structure of the screwing mold and the connecting bolt in embodiment 1;
FIG. 11 is a schematic perspective view of a leveling mold according to example 1;
FIG. 12 is a front view of a flattening die of example 1;
FIG. 13 is a cross-sectional view taken along the A-A plane as shown in FIG. 12;
FIG. 14 is a top view of the flattening die of example 1;
FIG. 15 is a bottom view of the flattening die of example 1;
FIG. 16 is a schematic view showing the split structure of the rod and the sleeve of the leveling mold in example 1;
FIG. 17 is a schematic diagram showing the overall construction principle of embodiment 2;
FIG. 18 is a schematic diagram showing the overall construction principle of embodiment 3;
FIG. 19 is a schematic view showing the overall construction principle of embodiment 4;
fig. 20 is a schematic diagram of the driving structure of embodiment 5.
Labeling of fig. 1-16 of example 1:
1, a core bar; 2, a turntable; 3, a cylinder inlet and outlet rocker arm; 3-1, a rocker arm connecting rod of an inlet cylinder and a outlet cylinder; 3-2 a cylinder sliding rod; 3-3 a cylinder inlet and outlet sliding rod sliding wheel 1;3-4, a barrel discharging pushing plate; 3-5 cylinder pushing plates; 3-6, a push plate adjusting sleeve of a feeding cylinder; 3-7, a cylinder inlet and outlet sliding rod sliding wheel 2;3-8, a sliding rod guide seat of the inlet and outlet cylinder; 3-9, a sliding rod guide connecting plate of the inlet and outlet cylinder; 3-10 guiding and positioning wheels of the sliding rod of the inlet cylinder and the outlet cylinder; 4, leveling the crank; 5 flattening the elastic buffer connecting rod; 6, flattening the die; 601 a mold cavity; 602 a rod body; 603 a sleeve body; a chip outlet 604; a prism 605; a junction 606;607 sector slope; a connection hole 608;7, flattening the sliding platform; 7-1 leveling die rotation driving assembly; 8, screwing the connecting rod; 9 screwing the die; an annular port 901; a first machined beveled edge 902; a second chip outlet 903, a first chip outlet 904, a first bottom face 905; a second machined chamfer 906; a second bottom surface 907; a first glue outlet 908; grooves 909; a second glue outlet 910; a third glue outlet 911; a screw connection bore 912; a supply conduit 913; a connecting bolt 914; an axial glue supply center hole 915;10 screwing the sliding platform; 10-1 screwing the die rotation driving assembly; 10-2 screwing a rubber supply pipe; 12 humidification chamber; 13 a humidification chamber fixed base; 14 working wallboard; 15 paper tube hoppers; 18, pressing wheels; 183 springs; 184 swing rods; 185 locating sleeve; 186 fixed end of core bar; 20, driving a wallboard; 21 screwing the gears; 22, a main shaft carrier gear of the turntable; 23 main transmission gears; 24, entering and exiting the cylinder carrier gear; 25 in-out cylinder gears; 30 humidifying cavity gear; 31 flattening the gear; 32 wallboard support bars; 33 crank of shaking tube; 34 a rocking cylinder connecting rod; 35 a swing shaft of the swing cylinder; 36 shake-barrel blanking scraping plate; 37 paper tube transfer grooves; 39 a die rotation driving motor; 40 die rotation driving motor bottom plate; 41 main motor; 42 main motor speed reducer.
Detailed Description
Example 1: referring to the drawings, reflecting a specific structure of the invention, the firework paper tube body back cover device comprises a rotary table 2 which intermittently rotates, eight positioning mechanisms are circumferentially distributed on the rotary table 2, each positioning mechanism comprises a core bar 1 fixedly connected on the rotary table 2 through a fixed end 186, two pressing wheels 18 are arranged on the core bar 1, a rotating shaft of each pressing wheel 18 is arranged at one end of a swinging rod 184, the other end of the swinging rod 184 is hinged on a positioning sleeve 185, and a spring 183 acts on the swinging rod 184. Two pinch rollers 18 are circumferentially juxtaposed on the sidewall of the core rod 1. Pinch roller 18 presses against the sidewall of mandrel 1 under the action of spring 183. The tangential direction of the pinch roller 18 is parallel to the axial direction of the core bar 1. The working surface of the pinch roller 18 is provided with a friction-increasing structure such as threads, knurls or raised grains. Under the action of a cylinder feeding push plate 3-5, a cylinder port of a firework paper cylinder (not shown in the figure) is sleeved into the core rod 1 from the non-fixed end of the core rod 1, in the pushing process, the cylinder port pushes the pinch roller 18 to rise against the pressure action of a spring 183, the swing rod 184 rotates upwards, a cylinder is inserted between the pinch roller 18 and the core rod 1, and the pinch roller rotates when the cylinder port pushes the pinch roller 18 to protect the cylinder from being damaged; the blocking stroke is stopped when the cylinder port contacts with the positioning sleeve 185, and the mounting position of the positioning sleeve 185 in the axial direction of the core rod 1 can be adaptively adjusted according to the length of the paper cylinder. The core rod 1 and the pinch roller 18 clamp the side wall of the cylinder body at the insertion end of the cylinder body to realize reliable fixed positioning, thereby effectively preventing the cylinder body from swinging, displacement and rotation caused by external force in the processing process, and being capable of correspondingly processing the non-insertion end of the cylinder body. After the processing is finished, the cylinder can be conveniently withdrawn from the clamping by pushing the cylinder discharging push plate 3-4, a notch is arranged at the part of the positioning sleeve 185 below the core rod 1 so that the cylinder discharging push plate 3-4 can conveniently move along the side wall below the core rod 1, and the port of the cylinder is pushed to enable the cylinder to be removed from the core rod 1.
The positioning mechanism passes through a feeding station, a humidifying station, a screwing station, a leveling station and a discharging station which are arranged on the working wallboard 14 in the process of rotating along with the turntable 2.
The feeding station comprises a discharging hopper 15, and the discharging hopper 15 realizes swinging discharging through a swinging cylinder crank 33, a swinging cylinder connecting rod 34, a swinging cylinder swinging shaft 35, a swinging cylinder discharging scraper 36 and the like, so that the paper cylinder falls into a paper cylinder transfer groove 37. The paper cylinder transfer groove 37 is arranged corresponding to the cylinder pushing plate 3-5.
The feeding station is also provided with a cylinder feeding mechanism for loading the cylinder body of the firework paper cylinder into the positioning mechanism, and the cylinder feeding mechanism mainly comprises a cylinder feeding push plate 3-5; the cylinder unloading station is provided with a cylinder withdrawing mechanism for withdrawing the firework paper cylinder from the positioning mechanism, and the cylinder withdrawing mechanism mainly comprises a cylinder outlet push plate 3-4, and in the example, the cylinder withdrawing mechanism and the cylinder outlet push plate adopt a linkage driving transmission mechanism: the motor 41 drives the cylinder inlet and outlet rocker arm 3 to rotate through the main motor speed reducer 42, the main transmission gear 23, the cylinder inlet and outlet carrier gear 24 and the cylinder inlet and outlet gear 25 in sequence; the cylinder inlet and outlet rocker arm 3 drives the cylinder outlet pushing plate 3-4 and the cylinder inlet pushing plate 3-5 to synchronously reciprocate through the cylinder inlet and outlet sliding rod 3-2. In addition, the device also comprises a cylinder inlet and outlet rocker arm connecting rod 3-1, a cylinder inlet and outlet sliding rod sliding wheel, a cylinder inlet and outlet push plate adjusting sleeve 3-6, a cylinder inlet and outlet sliding rod guide seat 3-8, a cylinder inlet and outlet sliding rod guide connecting plate 3-9, a cylinder inlet and outlet sliding rod guide positioning wheel 3-10 and the like which have auxiliary functions of connection, guide, adjustment and the like.
The humidifying station comprises a humidifying cavity 12, the humidifying cavity 12 is communicated with a water supply mechanism, the humidifying cavity 12 is arranged on a sliding platform, the sliding platform linearly reciprocates along a guide rail under the action of a crank connecting rod mechanism, the moving direction points to the positioning mechanism, and the humidifying cavity 12 corresponds to the core bar 1. The crank-link mechanism is connected to the humidification chamber gear 30. The motor 41 drives the humidifying cavity gear 30, the screwing gear 21 and the leveling gear 31 to synchronously rotate through the main motor speed reducer 42, the main transmission gear 23 and the turntable main shaft carrier gear 22 in sequence.
The screwing station comprises a rotary screwing die which is arranged corresponding to the positioning mechanism: the screwing die 9 is driven to rotate by a rotary driving motor (not shown) through a screwing die rotary driving assembly 10-1, the screwing die 9 and a rotary driving mechanism thereof are arranged on a screwing sliding platform 10, and the screwing sliding platform 10 is connected with a screwing gear 21 through a screwing crank connecting rod 8.
The screwing die 9 comprises a die cavity, a spiral connecting inner hole 912 for connecting the die rotary driving assembly 10-1 and a corresponding connecting bolt 914 are arranged at the tail end of the die cavity, an axial glue supply central hole 915 is arranged on the connecting bolt 914, the outer end of the axial glue supply central hole 915 is communicated with the screwing glue supply pipe 10-2, and the inner end of the axial glue supply central hole is communicated with a glue supply pipeline 913 in the side wall of the die cavity. A smooth glue supply system is formed. The die cavity comprises an annular port 901, a first chip outlet 904, a second chip outlet 903, a first processing inclined edge 902 and a second processing inclined edge 906 are arranged on the side wall of the die cavity between the annular port 901 and the bottom surface of the die cavity, a first glue outlet 908 is arranged in the center of the bottom surface of the die cavity, a second glue outlet 910 and a third glue outlet 911 are arranged on the side wall of the die cavity, and the second glue outlet 910 and the third glue outlet 911 are arranged close to the annular port 901. To ensure that the glue supply meets the screwing requirements. In this example, the bottom surface of the mold cavity is composed of a first bottom surface 905 and a second bottom surface 907, and the center of the bottom surface of the mold cavity is convex, so that the first bottom surface 905 and the second bottom surface 907 are both in a slope shape, and meanwhile, the lower end of the first chip outlet 904 is flush with the first bottom surface 905, and the lower end of the second chip outlet 903 is flush with the second bottom surface 907 of the mold cavity, so that the mixture of glue and paper chips is convenient to flow out, and the mixture cannot remain in the mold cavity. The mixture is prevented from blocking the glue outlet and adhering to the side wall of the die cavity, and the die is ensured to work reliably and normally. The surface of the second processing chamfer 906 is provided with grooves 909 distributed from top to bottom, and the third glue outlet 911 is arranged in the grooves 909. Further improving the glue supply and the screwing processing capability.
By adopting the die, the bottom end opening of the firework paper tube is inserted into the die cavity, the die cavity rotates the first processing inclined edge 902 and the second processing inclined edge 906 to rotationally apply pressure to the bottom end opening of the firework paper tube, and the effect of glue is combined, so that the cylinder wall at the bottom end part of the cylinder body is softened and screwed into the axial center of the cylinder body.
The leveling station comprises a rotary leveling die which is arranged corresponding to the positioning mechanism: the leveling die 6 is rotated by a die rotation driving motor 39 through the leveling die rotation driving assembly 7-1. The leveling mould 6 and its rotation driving mechanism are mounted on the leveling slide platform 7, the movement direction points to the positioning mechanism. The leveling sliding platform 7 is connected with a leveling gear 31 through a crank connecting rod mechanism; the crank connecting rod mechanism consists of a leveling crank 4 and a leveling elastic buffer connecting rod 5, and a buffer spring assembly is arranged on the leveling elastic buffer connecting rod 5. So as to prolong the contact time of the leveling die 6 and the cylinder body, ensure the processing effect and simultaneously ensure the synchronous coordination with the operation of other stations.
In this example, the leveling mold 6 is formed by combining a rod body 602 and a sleeve body 603, the top end surface of the rod body 602 forms the bottom surface of the mold cavity 601, the top end surface of the rod body 602 is formed by splicing and combining three sector-shaped slope surfaces 607, the adjacent parts of the two sector-shaped slope surfaces 607 form raised prisms 605, and the inner ends of the three prisms 605 are converged at a convergence point 606. The tail of the rod body 602 is provided with a connecting hole 608. The tail end of the sleeve body 603 is sleeved at the top end of the rod body 602, the side wall of the inner cavity of the sleeve body 603 forms the side wall of the die cavity 601, and three chip outlets 604 are formed. The coupling portion of the sleeve 603 and the rod body 602 is fixed by a pin or a bolt to facilitate disassembly.
By adopting the leveling die 6, the bottom end opening of the firework paper cylinder which is subjected to screwing processing is inserted into the die cavity 601, the die cavity 601 rotates, and the three prisms 605 and the three fan-shaped sloping surfaces 607 are rotationally pressed to the bottom end opening of the firework paper cylinder, so that the screwing part of the paper cylinder is used for flatly sealing the cylinder end opening, and a back cover structure formed by the paper cylinder body is formed after drying, and the body back cover is completed.
Example 2: as shown in fig. 17, the difference from example 1 is that two sets of process flow units are distributed along the circumference of the turntable:
the first set of process flow elements comprises: the first feeding hopper 1001 and a cylinder feeding mechanism 1002 thereof, the first humidifying station 1003 and a humidifying cavity thereof, the first screwing station 1004 and a rotary screwing die thereof, the first leveling station 1005 and a rotary leveling die thereof, the first discharging station 1006 and a cylinder withdrawing mechanism thereof, and the first feeding hopper further comprises five positioning mechanisms 1000 corresponding to the stations.
The second set of process flow elements comprises: the second feeding hopper 1007 and its feeding mechanism 1008, the second humidifying station 1009 and its humidifying cavity, the second screwing station 1010 and its rotary screwing die, the second leveling station 1011 and its rotary leveling die, the second discharging station 1012 and its barrel withdrawing mechanism, and five positioning mechanisms 1000 corresponding to the respective stations.
And each positioning mechanism 1000 comprises two sets of parallel components (such as a core bar, a pressing wheel and the like) for fixing the firework paper tube, and the two sets of tube feeding mechanisms, the humidifying chambers, the rotary screwing dies, the rotary flattening dies and the tube withdrawing mechanisms are correspondingly arranged at the feeding station, the humidifying station, the screwing station, the flattening station and the discharging station. So as to improve the processing efficiency.
Example 3: as shown in fig. 18, the difference from embodiment 2 is that each positioning mechanism includes only one set of components (such as a core bar, a pinch roller, etc.) for fixing the firework paper tube.
Example 4: as shown in fig. 19, the difference from embodiment 2 is that only one set of process flow units is distributed along the circumference of the turntable.
Example 5: as shown in fig. 20, the synchronous transmission mechanism is different from embodiment 1 in that the synchronous transmission mechanism does not use a transmission gear set, but uses a synchronous belt 236 for transmission and is provided with a plurality of tensioning wheels. Specifically, on the driving wallboard 220, a screwing synchronizing wheel 221, a main driving synchronizing wheel 223, an in-out cylinder synchronizing wheel 225, a humidifying cavity synchronizing wheel 230 and a leveling synchronizing wheel 231 are connected and driven by a synchronous belt 236, and a first tensioning wheel 232, a second tensioning wheel 233, a third tensioning wheel 234 and a fourth tensioning wheel 235 are arranged to cooperate. The drive sprocket chain set may also be accomplished in a similar configuration.
The foregoing implementations are merely illustrative of the present invention and are not to be construed as limiting thereof. The invention has a plurality of alternatives or variants known in the technical field, and all fall into the protection scope of the invention without departing from the essential meaning of the invention.
Claims (10)
1. The paper tube body back cover device comprises an intermittent rotating turntable, wherein a plurality of positioning mechanisms are circumferentially distributed on the turntable, and the paper tube body back cover device is characterized in that the positioning mechanisms pass through a feeding station, a screwing station, a leveling station and a discharging station which are arranged on a frame in the rotating process of the positioning mechanisms along with the turntable; the feeding station is provided with a cylinder feeding mechanism for loading the cylinder body of the paper cylinder into the positioning mechanism; the screwing station comprises a rotary screwing die which is arranged corresponding to the positioning mechanism; the leveling station comprises a rotary leveling die which is arranged corresponding to the positioning mechanism; the discharging station is provided with a cylinder withdrawing mechanism for withdrawing the paper cylinder from the positioning mechanism; the rotary screwing die and the rotary flattening die are respectively arranged on a sliding platform, the sliding platform linearly reciprocates along a guide rail under the action of a driving mechanism, and the movement direction points to the positioning mechanism;
the working process of the body bottom sealing device is that the cylinder feeding mechanism loads the cylinder body of the paper cylinder into the positioning mechanism at the feeding station to finish feeding; rotating to a screwing station, moving a sliding platform towards a positioning mechanism to sleeve a screwing die on a bottom port of the cylinder body and apply pressure to the cylinder body, and rotating the die and combining the effect of glue to soften the cylinder wall at the bottom end part of the cylinder body to screw the cylinder body towards the axial center of the cylinder body; then turning to a leveling station, enabling the sliding platform to move towards the positioning mechanism to sleeve the leveling die on the screwing part of the cylinder, and pressing the screwing part to level and seal the port of the cylinder to form a flat-bottom sealing port; continuing to rotate to a discharging station, and withdrawing the paper tube from the positioning mechanism by the tube withdrawing mechanism to finish discharging; and drying to obtain the finished product.
2. The paper tube body back cover device according to claim 1, wherein the sliding platform of each station adopts a crank-link mechanism to drive the reciprocating linear motion, and the driving motor drives each crank-link mechanism through a synchronous transmission mechanism.
3. The paper tube body back cover device according to claim 2, wherein a buffer spring assembly is provided on a connecting rod of the crank-connecting rod mechanism.
4. A paper tube body back cover device as set forth in any one of claims 1-3, wherein a humidifying station is provided between the feeding station and the screwing station, and the humidifying station comprises a humidifying cavity, the humidifying cavity is communicated with a water supply mechanism, the humidifying cavity is arranged on a sliding platform, the sliding platform moves linearly and reciprocally along a guide rail under the action of a driving mechanism, and the moving direction is directed to the positioning mechanism.
5. A paper sleeve body back cover device according to any one of claims 1-3, wherein the positioning mechanism comprises a core rod with one end fixed, a pinch roller is arranged on the core rod, and the pinch roller is pressed on the side wall of the core rod under the action of an elastic piece.
6. The paper tube body back cover device according to claim 5, wherein the tangential direction of the pinch roller is parallel to the axial direction of the core bar; a plurality of pinch rollers are distributed on the side wall of the core rod in parallel along the circumference; the rotating shaft of the pinch roller is arranged at one end of the swing rod, the other end of the swing rod is hinged on the positioning sleeve, and the spring acts on the pinch roller through the swing rod.
7. A paper sleeve body back cover device according to any one of claims 1-3, wherein the screwing die comprises a die cavity, a connecting mechanism connected with a rotary driving part is arranged at the tail end of the die cavity, the die cavity comprises an annular port, a chip outlet and a plurality of processing inclined edges are arranged on the side wall of the die cavity between the annular port and the bottom surface of the die cavity, a glue supply pipeline communicated with a glue supply mechanism is arranged in the side wall of the die cavity, a glue outlet is arranged in the die cavity, and the glue outlet is communicated with the glue supply pipeline.
8. A paper tube body back cover device as set forth in any one of claims 1-3, wherein the rotary leveling die comprises a die cavity, a connecting mechanism connected with a rotary driving part is arranged at the tail end of the die cavity, and the bottom surface of the die cavity is formed by splicing and combining a plurality of sector slopes; the side wall of the die cavity is provided with a chip outlet.
9. A paper sleeve body back cover device according to any one of claims 1-3, wherein each positioning mechanism on the turntable comprises two sets of paper sleeve fixing assemblies arranged in parallel, and the feeding station, the screwing station, the flattening station and the discharging station are correspondingly provided with two sets of sleeve feeding mechanisms, rotary screwing dies, rotary flattening dies and sleeve withdrawing mechanisms.
10. A paper sleeve body back cover apparatus as in any one of claims 1-3 wherein two sets of process flow elements are distributed along the circumference of said turntable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811163565.6A CN108943877B (en) | 2018-10-01 | 2018-10-01 | Paper tube body back cover device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811163565.6A CN108943877B (en) | 2018-10-01 | 2018-10-01 | Paper tube body back cover device |
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| CN108943877A CN108943877A (en) | 2018-12-07 |
| CN108943877B true CN108943877B (en) | 2024-03-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112845867B (en) * | 2020-12-28 | 2023-07-11 | 铜陵蓝盾丰山微电子有限公司 | Positioning device of production die for lead frame and working method of positioning device |
| CN114783706B (en) * | 2022-04-28 | 2023-10-27 | 华智源电气集团股份有限公司 | Insulating paper ring of transformer takes off pipe machine |
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