CN109693832B - Four-edge toothpick packaging machine - Google Patents
Four-edge toothpick packaging machine Download PDFInfo
- Publication number
- CN109693832B CN109693832B CN201910089946.2A CN201910089946A CN109693832B CN 109693832 B CN109693832 B CN 109693832B CN 201910089946 A CN201910089946 A CN 201910089946A CN 109693832 B CN109693832 B CN 109693832B
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- Prior art keywords
- hot
- preheating
- discharging
- material belt
- toothpick
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B47/00—Apparatus or devices for forming pockets or receptacles in or from sheets, blanks, or webs, comprising essentially a die into which the material is pressed or a folding die through which the material is moved
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
- B65B51/10—Applying or generating heat or pressure or combinations thereof
- B65B51/16—Applying or generating heat or pressure or combinations thereof by rotary members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
- B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
Abstract
The invention provides a four-edge sealing toothpick packaging machine which comprises a frame, wherein a material belt doubling mechanism, a material belt preheating mechanism, a toothpick discharging mechanism, a four-edge sealing hot-pressing mechanism and a discharging mechanism are arranged on the frame; the material belt doubling mechanism comprises a guide sheet, and a V-shaped guide groove is formed in the guide sheet; the material belt preheating mechanism comprises a preheating body, a Y-shaped preheating groove is formed in the top of the preheating body, and an electric heating rod is inserted into the preheating body; the toothpick blanking mechanism comprises a blanking shaft, wherein an eccentric wheel is arranged on the blanking shaft, an eccentric sleeve is arranged on the eccentric wheel, and a blanking swing rod is hinged on the eccentric sleeve; the four-edge sealing hot-pressing mechanism comprises a pair of hot-pressing wheels, toothpick containing grooves formed in the circumferential direction of the hot-pressing wheels are formed in the outer cylindrical walls of the hot-pressing wheels, and electric heating rods are arranged in the hot-pressing wheels. The invention has the advantages of high production efficiency, good sealing effect, attractive appearance, capability of quickly adjusting and matching for the material belts with different widths and strong equipment adaptability.
Description
Technical Field
The invention relates to the field of packaging machines, in particular to a four-edge toothpick packaging machine.
Background
The rapid development of the takeaway industry makes corresponding tableware not available today, and when many manufacturers produce tableware, the efficiency and cost are paid attention to, but the food is neglected for the life and safety.
At present, when a plurality of independent packaged toothpicks of tableware are packaged, strip-shaped material strips are folded in half and then are directly subjected to three-edge sealing, the packaging is simple, and because the packaging is direct heating and packaging, films of the material strips cannot be uniformly heated, and the production speed is not easy to accelerate, for example, the hot-pressing temperature is only accelerated, but the film of the material strips is damaged due to bubble breakage and the like when the hot-pressing temperature is increased, so that the production speed is limited, meanwhile, the sealing effect of a finished product is poor, the appearance is low, the reliability of production equipment is low, the phenomenon that the toothpicks are stuck and cannot be discharged frequently occurs, and empty bags occur in the later packaging is caused; meanwhile, the existing material belt needs to pass through the slotted guide plate to force the material belt to be folded in half when being folded in half, and the material belts with different widths can only be matched in a mode of replacing the guide plate, so that the operation is troublesome and the production efficiency is affected.
Disclosure of Invention
Based on the problems, the invention aims to provide the four-edge toothpick packaging machine which has the advantages of high production efficiency, good sealing effect, attractive appearance, capability of quickly adjusting and matching for strips with different widths, strong equipment adaptability, low error rate and safe and reliable work.
Aiming at the problems, the following technical scheme is provided: the four-edge sealing toothpick packaging machine comprises a frame, wherein a material tray is arranged on the frame, and a material belt tensioning mechanism, a material belt doubling mechanism, a material belt preheating mechanism, a toothpick discharging mechanism positioned above the material belt preheating mechanism, a four-edge sealing hot-pressing mechanism and a discharging mechanism are sequentially arranged on the frame along the feeding direction of a material belt on the material tray; the material belt doubling mechanism comprises a guide sheet, and a V-shaped guide groove which enables the material belt to pass through and the section of the material belt to be doubled into a V shape is arranged on the guide sheet; the material belt preheating mechanism comprises a preheating seat and a preheating body arranged on the preheating seat, a Y-shaped preheating groove which is arranged along the feeding direction of the material belt is arranged at the top of the preheating body, preheating holes are further formed in the preheating body at two sides of the end part of the preheating groove, and electric heating rods are inserted into the preheating holes; the toothpick blanking mechanism comprises a discharging wheel, wherein a plurality of conveying grooves for accommodating toothpicks are uniformly distributed on the outer cylinder wall of the discharging wheel, the discharging wheel is driven to rotate by a discharging motor, the toothpick blanking mechanism further comprises a blanking shaft parallel to the axis of the discharging wheel, an eccentric wheel is arranged on the blanking shaft, an eccentric sleeve is arranged on the eccentric wheel, a blanking swing rod is hinged on the eccentric sleeve, the two blanking swing rods are respectively positioned at 6 o' clock positions on two sides of the end of the discharging wheel at the swinging ends, the blanking swing rod is hinged with a rack through a swinging hinge shaft, and the eccentric wheel drives the eccentric sleeve to enable the blanking swing rod to swing up and down by taking the swinging hinge shaft as an origin, so that the tail end of the blanking swing rod swings upwards and downwards to dial out toothpicks from the conveying grooves; the four-edge sealing hot-pressing mechanism comprises a hot-pressing rack and a pair of hot-pressing wheels which are arranged on the hot-pressing rack and are oppositely rolled with each other, toothpick containing grooves which are formed in the outer cylinder wall of the hot-pressing wheels along the circumferential direction of the hot-pressing wheels are formed in the outer cylinder wall of the hot-pressing wheels, the hot-pressing wheels are connected through gear power, one hot-pressing wheel is driven to rotate through a hot-pressing motor, a plurality of hot-pressing holes which are uniformly formed in the end faces of the hot-pressing wheels along the circumferential direction of the hot-pressing wheels are formed in the end faces of the hot-pressing wheels, and electric heating rods are arranged in the hot-pressing holes.
In the structure, the coiled material belt on the material tray passes through the guide sheet after being tensioned by the material belt tensioning mechanism, the V-shaped guide groove of the guide sheet guides the material belt into a V shape with an upward cross section opening, the rear material belt is preheated in the preheating groove of the preheating body, the toothpick is conveyed to the position right above the material belt through the discharging wheel during preheating, the toothpick is pulled down through the discharging swing rod to fall into the material belt, and the material belt reaches the hot pressing wheel for four-edge hot pressing during further conveying, so that the heat sealing process is completed.
The guide piece is arranged vertically, and the groove bottom of the V-shaped guide groove is arranged at the bottom of the guide piece and penetrates through the guide piece.
In the structure, the material belt can be conveniently and directly put in from the bottom of the V-shaped guide groove during adjustment, and the material belt does not need to be cut off to enable the end part of the material belt to pass through the V-shaped guide groove, so that the maintenance and the replacement and adjustment of the material belt are convenient.
The invention is further arranged that the junction between the groove wall of the V-shaped guide groove and the surface of the guide piece is in arc transition.
In the structure, the arc can reduce friction between the material belt and the material belt when the material belt is folded into the V shape, so that the material belt slides smoothly, and the possibility of blocked breakage of the material belt is reduced.
The invention is further provided with an adjusting slide hole for adjusting the height of the guide piece; the adjusting slide hole is internally rotated with a bolt for fixing the guide piece.
In the structure, according to the material strips with different widths, the height of the guide piece is required to be adjusted, so that deformation and wrinkling of the material strips caused by extrusion of the two sides of the material strips and the top of the V-shaped guide groove are avoided.
The invention is further arranged that the adjusting slide hole is positioned right above the V-shaped guide groove.
In the structure, the possibility of interference with the conveying of the material belt is reduced when the height is regulated, and the vertical angle of the V-shaped guide groove can be slightly regulated so as to compensate assembly errors.
The invention is further arranged that the V-shaped included angle of the V-shaped guide groove is 30-45 degrees.
In the structure, the included angle is optimally 35 degrees, so that the folding requirement of the material belt can be met, and the situation that the material belt is torn due to excessive deformation generated when the material belt is changed from a flat belt state to a V-shaped state can be avoided.
The invention is further arranged that the length of the groove edge at one side of the V-shaped guide groove is smaller than 1/2 of the width of the material belt.
In the structure, if the length of the groove edge at one side of the V-shaped guide groove is larger than half of the width of the material belt, two sides of the material belt can not be propped by the V-shaped guide groove when in conveying, and the width of two pairs of folded edges is inconsistent when the material belt is folded into a V shape.
The invention is further arranged that one end of the preheating body facing the output direction of the material belt is also provided with a material belt gathering piece above the preheating groove, the material belt gathering piece is provided with a gathering groove, the gathering groove is positioned right above the preheating groove and is arranged in the middle, and after the material belt is preheated by the preheating groove, the two side edges of the material belt are gathered by the gathering groove to realize doubling.
In the structure, the gathering groove is used for gathering the material belt, so that the material belt which is originally in a V shape can be thoroughly folded in half after being preheated, and meanwhile, the width of two folded edges of the material belt can be kept consistent.
The invention is further arranged that the lower end of the material belt gathering piece inclines towards the output direction of the material belt.
In the structure, the resistance generated when the material belt gathering piece is contacted with the two side edges of the material belt can be reduced, so that the material belt can pass more smoothly.
The vertical height from the bottom of the gathering tank to the bottom of the preheating tank is equal to or slightly smaller than 1/2 of the width of the material belt.
In the structure, if the vertical height between the two sides is larger than half of the total width of the material belt, the material belt can shake up and down during conveying, and the two sides of the material belt cannot be guaranteed to be contacted with the bottom of the gathering groove, so that the width of two folded edges of the folded material belt is error.
The invention further provides that the material belt gathering piece further comprises a connecting part connected with the side surface of the material belt gathering piece, the connecting part is connected with the preheating body through a bolt, and the vertical height from the bottom of the gathering groove to the bottom of the preheating groove can be adjusted by rotating the material belt gathering piece along the connecting point.
In the structure, the width of the folded material belt can be properly adjusted, so that the two side edges of the folded material belt can be mutually overlapped in the later heat sealing process.
The invention is further arranged that the width of the bottom of the preheating groove is smaller than the diameter of the toothpick.
In the structure, the toothpick can be prevented from falling into the bottom of the groove to cause that the four-edge sealing cannot be realized.
The invention is further arranged that the top of the preheating tank is provided with an included angle of 30-45 degrees.
In the structure, the included angle is optimally 35 degrees, and the position of the opening of the material belt can be ensured to have enough size to guide the toothpick to fall into.
The invention further provides that the preheating body is copper/copper alloy or aluminum/aluminum alloy.
In the structure, the uniformity of the whole temperature of the preheating body can be ensured, so that the material belt can be uniformly preheated.
The preheating seat further comprises an upper seat and a lower seat, the preheating body is arranged on the upper seat, and the lower seat is provided with a preheating body adjusting sliding hole for adjusting the height of the upper seat.
In the structure, the height of the preheating body is adjusted through the preheating seat according to the material belts with different widths, so that friction between the preheating body and the folding point position when the preheating body is folded into a V shape with the material belts is reduced.
The invention is further arranged that the distance between the two discharging swing rods is larger than the axial thickness of the discharging wheel and smaller than the length of the toothpick.
In the structure, the blanking swing rod is required to swing at the end faces of the two sides of the discharging wheel, but the contact between the blanking swing rod and the two ends of the toothpick is required to be ensured to push out the toothpick from the conveying groove, and as the two toothpicks with different diameters or bending exist in the conveying groove at the same time, the mutual clamping stagnation of the toothpicks can be caused, so that the conveying groove can not naturally fall down by gravity when the conveying groove rotates to the 6-point position, and the blanking swing rod is required to assist in blanking, so that the running reliability of equipment is ensured.
The invention further provides that the blanking shaft is in power connection with the discharging motor.
In the structure, the power between the two can be synchronously connected, so that the synchronism between the two is ensured.
The invention is further arranged that the discharging motor drives the discharging wheel to rotate through the worm gear reducer.
In the structure, the discharging motor drives the discharging wheel to rotate after being decelerated by the worm gear reducer, so that the indexing of each conveying groove is controlled.
The worm gear reducer is further provided with a worm gear shaft which is directly connected with the discharging motor, and the worm gear shaft is connected with the discharging shaft through a flexible shaft.
In the structure, the worm wheel shaft is a double-head shaft, one end of the worm wheel shaft is connected with the discharging motor, and the other end of the worm wheel shaft is connected with the discharging shaft.
The invention is further arranged that the transmission ratio of the worm gear reducer is the same as the number of the conveying grooves, the discharging motor rotates for one circle, the worm gear reducer rotates through one lattice of the conveying grooves, and meanwhile, the discharging swing rod swings up and down once.
In the structure, when the conveying groove rotates by an indexing angle, the blanking swing rod swings reciprocally once to assist blanking.
The invention further provides that the swing hinge shaft is hinged to the middle section of the blanking swing rod.
In the structure, the middle section of the blanking swing rod is used as a fulcrum, one end of each of the two ends of the blanking swing rod is used for pushing the toothpick to assist blanking, and the other end of the blanking swing rod is hinged with the eccentric sleeve to realize power transmission.
The toothpick discharging mechanism further comprises a vibrating disc, the vibrating disc is connected with the discharging wheel through a slideway, so that toothpicks fall into the conveying groove, and the toothpicks fall into the conveying groove from one side of the discharging wheel, which is close to the slideway, are brought to a 12-o 'clock position by the discharging wheel, further rotate to a 6-o' clock position and fall.
In the structure, the vibrating tray arranges the toothpicks in parallel and falls into the slideway, and the tail end of the slideway is close to the discharging wheel so that the toothpicks fall into the conveying groove when the conveying groove passes through the slideway.
The invention is further arranged that the length of the toothpick containing groove arranged in the circumferential direction on the outer cylinder wall of the hot pressing wheel is larger than the length of the toothpick.
In the structure, the toothpicks can be positioned in the toothpick containing grooves of the two hot-pressed wheels to be centered when the hot-pressed wheel sets are rolled, so that the toothpicks are prevented from being broken or equipment failure caused by rolling.
The invention is further characterized in that the hot pressing frame is also provided with a pair of cutting wheels which are used for cutting off the material strips after the toothpicks are hot-pressed and packaged by the hot pressing wheels and are mutually oppositely rolled, the cutting wheels are connected through gear power, the hot pressing wheels are connected with the cutting wheels through synchronous belt power, and the cutting wheels are provided with cutters.
In the structure, the material belt passes through the cutting wheel after being subjected to edge rolling and edge sealing by the hot pressing wheel, and the cutting wheel rotates to drive the cutter to cut off the material belt.
The hot press machine is further provided with a first slideway and a second slideway, wherein a first sliding block capable of sliding is arranged in the first slideway, and a gap between one hot press wheel and the other hot press wheel is adjusted through the first sliding block; and a second slide block is arranged on the second slide way, and a gap between one cutting wheel and the other cutting wheel is adjusted through the second slide block.
In the above structure, the thickness of the different material strips is often different, so that the gap between the two hot pressing wheels and the gap between the two cutting wheels need to be adjusted while the hot pressing effect or the cutting effect is ensured.
The invention is further arranged that pre-pressing springs are arranged between the first sliding block and the hot pressing frame and between the second sliding block and the hot pressing frame.
In the structure, the pre-pressing spring is used for providing pre-pressing pre-tightening force for the first sliding block and the second sliding block, and the pre-pressing spring can retreat when the thickness of the material belt changes or the toothpick is accidentally rolled/sheared during rolling heat sealing/material belt cutting, so that equipment is prevented from being damaged.
The hot press machine is further characterized in that the hot press machine frame is also provided with two opposite rolling conveyor belts for receiving cutting wheels to cut packaged toothpicks, the two opposite rolling conveyor belts are arranged in a mirror image mode, the packaged toothpicks pass through the space between the two opposite rolling conveyor belts, the opposite rolling conveyor belts comprise conveyor belt supporting shafts, the conveyor belt supporting shafts are provided with conveyor wheels meshed with the opposite rolling conveyor belts, and one conveyor belt supporting shaft is in power connection with the synchronous belt.
In the structure, the roller conveyer belt is used for fixing and conveying the cut packaged toothpicks, and the conveyer belt supporting shaft is in power connection with the synchronous belt, so that the synchronism of the whole machine is consistent.
The invention is further arranged that a discharging mechanism is arranged below the discharging end of the pair of grinding conveyer belts, the discharging mechanism comprises a conveying frame, a discharging belt which is in power connection with a supporting shaft of the conveying belt is arranged on the conveying frame, a distributing plate is arranged on the conveying frame at the feeding end of the discharging belt, and the distributing plate is driven by an air cylinder to swing, so that the top of the distributing plate is close to or far away from a rotary arc surface at one end of the discharging belt in the output direction.
In the structure, the side face of the distributing plate is hinged to the conveying frame, the air cylinder pushes the distributing plate to swing along the hinging point, so that the packaged toothpick slides from the distributing plate to fall into one collecting area below when the top of the distributing plate is close to the rotary arc face of the discharging belt, and the packaged toothpick directly falls into the other collecting area below from the rotary arc face when the top of the distributing plate is far away from the rotary arc face of the discharging belt.
The invention has the beneficial effects that: the material belt wound on the material disc passes through the guide sheet after being tensioned by the material belt tensioning mechanism, the V-shaped guide groove of the guide sheet guides the material belt into a V shape with an upward opening in the section, the material belt after being preheated is preheated in the preheating groove of the preheating body, the toothpick is conveyed to the position right above the material belt by the discharging wheel and is pulled down by the discharging swing rod to enable the toothpick to fall into the material belt, and the material belt reaches the hot pressing wheel for four-edge sealing hot pressing when being further conveyed, so that the heat sealing process is completed; the preheating groove can preheat the material belt, improves the heat sealing efficiency and heat sealing tightness of the material belt, dehumidifies the material belt and the toothpicks to ensure sanitary requirements, and the four-edge sealing process can form a heat sealing edge on four edges of the material belt, so that a user can unpack the material belt conveniently and the overall attractiveness is improved.
Drawings
Fig. 1 is a schematic diagram of the whole structure of the present invention.
Fig. 2 is a schematic structural view of a material tape folding mechanism of the present invention.
Fig. 3 is a schematic structural view of a tooth pick discharging mechanism of the present invention.
Fig. 4 is a schematic diagram of a blanking swing rod structure of the present invention.
Fig. 5 is a schematic structural view of an eccentric sleeve of the present invention.
Fig. 6 is a schematic structural diagram of a four-edge sealing hot-pressing mechanism of the invention.
Fig. 7 is a schematic structural view of a discharging mechanism of the present invention.
Fig. 8 is an enlarged schematic view of the portion a of fig. 2 according to the present invention.
Fig. 9 is an enlarged view of the B part of fig. 4 according to the present invention.
Fig. 10 is an enlarged view of the C part of fig. 2 according to the present invention.
Fig. 11 is an enlarged view of the portion D of fig. 5 according to the present invention.
Fig. 12 is an enlarged view of the E-section of fig. 7 according to the present invention.
Fig. 13 is an enlarged view of the F portion of fig. 6 according to the present invention.
The meaning of the reference numerals in the figures: 1-a frame; 2-a material tray; 10-a material belt tensioning mechanism; 20-a material belt folding mechanism; 21-a guide piece; 22-V-shaped guide grooves; 23-arc; 24-adjusting the slide hole; 30-a material belt preheating mechanism; 31-a preheating seat; 311-upper seat; 312-lower seat; 313-preheating body adjusting slide hole; 32-preheating body; 33-a preheating tank; 34-preheating holes; 35-gathering sheets of material belts; 351-gathering grooves; 352-connection; 40-toothpick blanking mechanism; 401-vibrating plate; 402-a slideway; 41-a discharge wheel; 42-conveying groove; 43-a discharging motor; 44-blanking shaft; 45-eccentric wheel; 46-eccentric sleeve; 47-blanking swing rods; 48-swinging the hinge shaft; 49-worm gear reducer; 491-worm wheel shaft; 50-a four-edge sealing hot-pressing mechanism; 51-a hot press frame; 511-a first slide; 512-second slide; 513-a first slider; 514-a second slider; 52-a hot pinch roller; 521-toothpick containing slots; 523-hot press holes; 53-a hot press motor; 54-a cutoff wheel; 541-cutting knife; 55-synchronous belt; 56-pre-pressing a spring; 57-paired rolling conveyer belt; 58-a conveyor belt supporting shaft; 581-transfer wheels; 60-a discharging mechanism; 61-a carriage; 62-a discharge belt; 621-rotating the arc surface; 63-a material separating plate; 64-cylinder; 70-an electric heating rod; 71-gear.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
Referring to fig. 1 to 13, a four-edge toothpick packaging machine as shown in fig. 1 to 13 comprises a rack 1, wherein a tray 2 is arranged on the rack 1, and a material belt tensioning mechanism 10 (prior art), a material belt doubling mechanism 20, a material belt preheating mechanism 30, a toothpick discharging mechanism 40 positioned above the material belt preheating mechanism 30, a four-edge hot pressing mechanism 50 and a discharging mechanism 60 are sequentially arranged on the rack 1 along the feeding direction of a material belt on the tray 2; the material belt doubling mechanism 20 comprises a guide piece 21, and a V-shaped guide groove 22 which enables the material belt to pass through and the material belt section to be doubled into a V shape is arranged on the guide piece 21; the material belt preheating mechanism 30 comprises a preheating seat 31 and a preheating body 32 arranged on the preheating seat 31, a Y-shaped preheating groove 33 arranged along the feeding direction of the material belt is arranged at the top of the preheating body 32, preheating holes 34 are further formed in the preheating body 32 at two sides of the end part of the preheating groove 33, and an electric heating rod 70 is inserted into the preheating holes 34; the toothpick blanking mechanism 40 comprises a discharging wheel 41, a plurality of conveying grooves 42 for accommodating toothpicks are uniformly distributed on the outer cylindrical wall of the discharging wheel 41, the discharging wheel 41 is driven to rotate by a discharging motor 43, the toothpick blanking mechanism further comprises a blanking shaft 44 parallel to the axis of the discharging wheel 42, an eccentric wheel 45 is arranged on the blanking shaft 44, an eccentric sleeve 46 is arranged on the eccentric wheel 45, a blanking swing rod 47 is hinged on the eccentric sleeve 46, the two swing ends of the blanking swing rod 47 are respectively positioned at 6 o' clock positions on two sides of the end of the discharging wheel 41, the blanking swing rod 47 is hinged with the frame 1 through a swing hinge shaft 48, and the eccentric wheel 45 drives the eccentric sleeve 46 to enable the blanking swing rod 47 to swing up and down by taking the swing hinge shaft 48 as an origin, so that the tail end of the blanking swing rod 47 swings up and down to downwards from the conveying grooves 42; the four-edge sealing hot pressing mechanism 50 comprises a hot pressing frame 51 and a pair of hot pressing wheels 52 which are arranged on the hot pressing frame 51 and are rolled in pairs, toothpick accommodating grooves 521 which are formed in the circumferential direction of the hot pressing wheels 52 are formed in the outer cylindrical wall of the hot pressing wheels 52, the hot pressing wheels 52 are in power connection through gears 71, one hot pressing wheel 52 is driven to rotate through a hot pressing motor 53, a plurality of hot pressing holes 523 which are uniformly formed in the circumferential direction of the hot pressing wheels 52 are formed in the end face of the hot pressing wheel 52, and electric heating rods 70 are arranged in the hot pressing holes 523.
In the above structure, the material belt wound on the material tray 2 passes through the guide piece 21 after being tensioned by the material belt tensioning mechanism 10, the V-shaped guide groove 22 of the guide piece 21 guides the material belt into a V shape with an upward opening in the section, the material belt after the material belt is preheated in the preheating groove 33 of the preheating body 32, the toothpick is conveyed to the position right above the material belt through the discharging wheel 41 while being preheated, the toothpick is pulled down through the discharging swing rod 47 to fall into the material belt, and the material belt reaches the hot pressing wheel 52 for four-edge hot pressing when being further conveyed, so that the heat sealing process is completed.
In this embodiment, the guide piece 21 is vertically disposed, and the groove bottom of the V-shaped guide groove 22 is opened to the bottom of the guide piece 21 and penetrates through the guide piece.
In the structure, the material belt can be conveniently and directly put in from the bottom of the V-shaped guide groove 22 during adjustment, and the material belt does not need to be cut off to enable the end part of the material belt to pass through the V-shaped guide groove 22, so that the maintenance and the replacement and adjustment of the material belt are convenient.
In this embodiment, the junction between the groove wall of the V-shaped guiding groove 22 and the surface of the guiding piece 21 is transited by an arc 23.
In the structure, the arc 23 can reduce friction between the material belt and the material belt when the material belt is folded into a V shape, so that the material belt slides smoothly, and the possibility of blocked breakage of the material belt is reduced.
In this embodiment, the guide piece 21 is further provided with an adjusting sliding hole 24 for adjusting the height of the guide piece 21; a bolt (not shown in the drawings) for fixing the guide piece 21 is screwed into the adjustment slide hole 24.
In the above structure, according to the material strips with different widths, the height of the guide piece 21 needs to be adjusted, so that deformation and wrinkling of the material strips caused by extrusion between the two sides of the material strips and the top of the V-shaped guide groove 22 are avoided.
In this embodiment, the adjustment slide 24 is located directly above the V-shaped guide groove 22.
In the above structure, the possibility of interference with the belt conveyance is reduced when the height is adjusted, and the vertical angle of the V-shaped guide groove 22 can be adjusted slightly to compensate for assembly errors.
In this embodiment, the V-shaped angle of the V-shaped guide groove 22 is 30 ° to 45 °.
In the structure, the included angle is optimally 35 degrees, so that the folding requirement of the material belt can be met, and the situation that the material belt is torn due to excessive deformation generated when the material belt is changed from a flat belt state to a V-shaped state can be avoided.
In this embodiment, the length of the single side slot edge of the V-shaped guiding slot 22 is less than 1/2 of the width of the material belt.
In the above structure, if the length of the groove edge on one side of the V-shaped guiding groove 22 is greater than half the width of the material belt, the two sides of the material belt cannot be abutted by the V-shaped guiding groove 22 during conveying, and the width of the two pairs of folded edges is inconsistent when the material belt is folded into a V shape.
In this embodiment, one end of the preheating body 32 facing the output direction of the material belt is further provided with a material belt gathering piece 35 above the preheating groove 33, the material belt gathering piece 35 is provided with a gathering groove 351, the gathering groove 351 is located right above the preheating groove 33 and is centrally arranged, and after the material belt is preheated by the preheating groove 33, two side edges of the material belt are gathered by the gathering groove 351 to be folded in half.
In the structure, the gathering groove 351 is used for gathering the material belt, so that the material belt which is originally in a V shape can be thoroughly folded in half after being preheated, and meanwhile, the width of two folded edges of the material belt can be kept consistent.
In this embodiment, the lower end of the tape gathering sheet 35 is inclined toward the tape output direction.
In the above structure, the resistance generated when the material belt gathering sheet 35 contacts with the two sides of the material belt can be reduced, so that the material belt can pass more smoothly.
In this embodiment, the vertical height from the bottom of the gathering tank 351 to the bottom of the preheating tank 33 is equal to or slightly smaller than the 1/2 width of the material belt.
In the above-mentioned structure, if its vertical height is greater than half of the total width of material area between the two, can lead to the material area to take place to rock from top to bottom when carrying, just also can not guarantee that material area both sides limit homoenergetic and gathering groove 351 tank bottom contact, lead to two doubling edge width emergence errors in the material area after the fifty percent discount.
In this embodiment, the material belt gathering sheet 35 further includes a connection portion 352 connected to a side surface thereof, the connection portion 352 is connected to the preheating body 32 by a bolt (not shown in the drawing), and the material belt gathering sheet 35 can rotate along a connection point thereof to adjust a vertical height from a bottom of the gathering groove 351 to a bottom of the preheating groove 33.
In the structure, the width of the folded material belt can be properly adjusted, so that the two side edges of the folded material belt can be mutually overlapped in the later heat sealing process.
In this embodiment, the width of the bottom of the preheating groove 33 is smaller than the diameter of the toothpick.
In the structure, the toothpick can be prevented from falling into the bottom of the groove to cause that the four-edge sealing cannot be realized.
In this embodiment, the top of the preheating tank 33 is provided with an included angle of 30 ° to 45 °.
In the structure, the included angle is optimally 35 degrees, and the position of the opening of the material belt can be ensured to have enough size to guide the toothpick to fall into.
In this embodiment, the preheating body 32 is copper/copper alloy or aluminum/aluminum alloy.
In the above structure, the uniformity of the overall temperature of the preheating body 32 can be ensured, so that the material belt can be uniformly preheated.
In this embodiment, the preheating seat 31 includes an upper seat 311 and a lower seat 312, the preheating body 32 is mounted on the upper seat 311, and the lower seat 312 is provided with a preheating body adjusting sliding hole 313 for adjusting the height of the upper seat 311.
In the above structure, the preheating body 32 adjusts the height according to the material belts with different widths through the preheating seat 31, so that the friction between the material belts and the folding point positions when the material belts are folded into the V shape is reduced.
In this embodiment, the interval between the two discharging swing rods 47 is larger than the axial thickness of the discharging wheel 41 and smaller than the length of the toothpick.
In the above structure, the discharging swing rod 47 needs to swing at the end faces of two sides of the discharging wheel 41, but needs to ensure that the discharging swing rod 47 can contact with two ends of the toothpick to push out the toothpick from the conveying groove 42, and because two toothpicks with different diameters or bending exist in the conveying groove 42 at the same time, the toothpicks can be blocked mutually, so that the conveying groove 42 can not naturally fall down by gravity when rotating to the 6-point position, and therefore, the discharging swing rod 47 needs to assist in discharging, so that the reliability of equipment operation is ensured.
In this embodiment, the discharging shaft 44 is in power connection with the discharging motor 43.
In the structure, the power between the two can be synchronously connected, so that the synchronism between the two is ensured.
In this embodiment, the discharging motor 43 drives the discharging wheel 41 to rotate through the worm gear reducer 49.
In the above structure, the discharging motor 43 drives the discharging wheel 41 to rotate after being decelerated by the worm gear reducer 49, so as to facilitate controlling the indexing of each conveying groove 42.
In this embodiment, the worm gear reducer 49 is provided with a worm gear shaft 491 directly connected to the discharge motor 43, and the worm gear shaft 491 is connected to the discharge shaft 44 via a flexible shaft (not shown).
In the above structure, the worm wheel shaft 491 is a double-ended shaft, one end of which is connected to the discharge motor 43, and the other end of which is connected to the discharge shaft 44.
In this embodiment, the gear ratio of the worm gear reducer 49 is the same as the number of the conveying grooves 42, and the discharging motor 43 rotates one turn, and the worm gear reducer 49 rotates one lattice of the conveying grooves 42, and simultaneously makes the discharging swing rod 47 complete one up-and-down swing.
In the above structure, when the conveying groove 42 rotates by one indexing angle, the blanking swing rod 47 swings reciprocally once to perform auxiliary blanking.
In this embodiment, the swing hinge shaft 48 is hinged to the middle section of the blanking swing rod 47.
In the structure, the middle section of the blanking swing rod 47 is used as a fulcrum, one end of each of two ends of the blanking swing rod is used for pushing toothpicks to assist blanking, and the other end of the blanking swing rod is hinged with the eccentric sleeve 46 to realize power transmission.
In this embodiment, the toothpick blanking mechanism 40 further includes a vibration disc 401, the vibration disc 401 is connected with the discharging wheel 41 through a slideway 402, so that the toothpicks fall into the conveying groove 42, fall into the conveying groove 42 from one side of the discharging wheel 41, which is close to the slideway 402, are brought to the 12 o 'clock position by the discharging wheel 41, further rotate to the 6 o' clock position, and fall.
In the above structure, the vibration plate 401 arranges the toothpicks parallel to each other and falls into the slideway 402, and when the slideway 402 is close to the discharging wheel 41, the conveying groove 42 passes through the slideway 402, the toothpicks fall into the conveying groove 42.
In this embodiment, the toothpick holder 521 has a length greater than the toothpick length in the circumferential direction on the outer cylindrical wall of the hot press 52.
In the structure, the toothpicks can be positioned in the toothpick containing grooves 521 of the two hot-pressing wheels 52 in the middle when the hot-pressing wheels 52 are used for grinding, so that the toothpicks are prevented from being broken or equipment failure is avoided.
In this embodiment, the hot pressing frame 51 is further provided with a pair of cutting wheels 54 for cutting off the material strips after the toothpicks are hot-pressed and packaged by the hot pressing wheel 52, the cutting wheels 54 are in power connection with each other through a gear 71, the hot pressing wheel 52 is in power connection with the cutting wheels 54 through a synchronous belt 55, and the cutting wheels 54 are provided with cutters 541 (cutters mounting positions are not shown in the figure).
In the above structure, the material belt passes through the cutting wheel 54 after being subjected to edge rolling by the hot pressing wheel 52, and the cutter 541 is driven to cut the material belt by the rotation of the cutting wheel 54.
In this embodiment, a first slide 511 and a second slide 512 are disposed on the hot press frame 51, a first sliding block 513 is slidably disposed in the first slide 511, and a gap between one hot press wheel 52 and the other hot press wheel 52 is adjusted by the first sliding block 513; the second slide 512 is provided with a second slider 514, wherein a gap between one cutting wheel 54 and the other cutting wheel 54 is adjusted by the second slider 514.
In the above-described structure, the thickness of the material tape is often different, so that the gap between the two hot pressing wheels 52 and the gap between the two cutting wheels 54 need to be adjusted while ensuring the hot pressing effect or the cutting effect.
In this embodiment, a pre-compression spring 56 is disposed between the first slider 513 and the hot press frame 51, and between the second slider 514 and the hot press frame 51.
In the above structure, the pre-pressing spring 56 is used for providing pre-pressing pre-tightening force for the first slider 513 and the second slider 514, and can retract when the thickness of the material belt changes or the toothpick is accidentally rolled/sheared during rolling and heat sealing/cutting of the material belt, so as to ensure that the equipment is not damaged.
In this embodiment, the hot pressing frame 51 is further provided with a pair of rolling conveyor belts 57 for receiving the cutting wheels 54 and cutting off the packaged toothpicks, the pair of rolling conveyor belts 57 are arranged in a mirror image manner, the packaged toothpicks pass between the two pair of rolling conveyor belts 57, the pair of rolling conveyor belts 57 comprise conveyor belt supporting shafts 58, the conveyor belt supporting shafts 58 are provided with conveying wheels 581 meshed with the pair of rolling conveyor belts 57, and one of the conveyor belt supporting shafts 58 is in power connection with the synchronous belt 55.
In the structure, the rolling conveyor belt 57 is used for fixing and conveying the cut packaged toothpicks, and the conveyor belt supporting shaft 58 is in power connection with the synchronous belt 55, so that the synchronism of the whole machine is consistent.
In this embodiment, the discharging mechanism 60 is disposed below the discharging end of the pair of grinding conveyer belt 57, the discharging mechanism 60 includes a conveying frame 61, a discharging belt 62 dynamically connected with the conveyer belt supporting shaft 58 is disposed on the conveying frame 61, a distributing plate 63 is disposed on the conveying frame 61 at the feeding end of the discharging belt 62, and the distributing plate 63 is driven by an air cylinder 64 to swing, so that the top of the distributing plate 63 is close to or far away from a rotary arc surface 621 at one end of the output direction of the discharging belt 62.
In the above structure, the side of the distributing plate 63 is hinged to the carriage 61, the cylinder 64 pushes the distributing plate 63 to swing along the hinge point, so that the top of the distributing plate 63 slides over the distributing plate 63 to fall into one collecting area below when the top of the distributing plate 63 is close to the circular arc surface 621 of the discharging belt 62, and the packaged toothpick falls into the other collecting area below directly from the circular arc surface 621 when the top of the distributing plate 63 is far from the circular arc surface 621 of the discharging belt 62.
The invention has the beneficial effects that: the coiled material belt on the material disc 2 passes through the guide piece 21 after being tensioned by the material belt tensioning mechanism 10, the V-shaped guide groove 22 of the guide piece 21 guides the material belt into a V shape with an upward cross section opening, the rear material belt is preheated in the preheating groove 33 of the preheating body 32, the toothpick is conveyed to the position right above the material belt by the discharging wheel 41 during preheating, the toothpick is pulled down by the discharging swing rod 47 to enable the toothpick to fall into the material belt, and the material belt reaches the hot pressing wheel 52 for four-edge hot pressing when being conveyed further, so that the heat sealing process is completed; the preheating groove 33 can preheat the material belt, improves the heat sealing efficiency and heat sealing tightness of the material belt, dehumidifies the material belt and the toothpicks to ensure sanitary requirements, and the four-edge sealing process can form a heat sealing edge on four edges of the material belt, so that a user can unpack the material belt conveniently and the overall attractiveness is improved.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (10)
1. The utility model provides a four sides seal toothpick packaging machine, includes the frame, be equipped with the charging tray in the frame, its characterized in that: a material belt tensioning mechanism, a material belt doubling mechanism, a material belt preheating mechanism, a toothpick discharging mechanism positioned above the material belt preheating mechanism, a four-edge sealing hot-pressing mechanism and a discharging mechanism are sequentially arranged on the rack along the feeding direction of the material belt of the material tray; the material belt doubling mechanism comprises a guide sheet, and a V-shaped guide groove which enables the material belt to pass through and the section of the material belt to be doubled into a V shape is arranged on the guide sheet; the material belt preheating mechanism comprises a preheating seat and a preheating body arranged on the preheating seat, a Y-shaped preheating groove which is arranged along the feeding direction of the material belt is arranged at the top of the preheating body, preheating holes are further formed in the preheating body at two sides of the end part of the preheating groove, and electric heating rods are inserted into the preheating holes; the toothpick blanking mechanism comprises a discharging wheel, wherein a plurality of conveying grooves for accommodating toothpicks are uniformly distributed on the outer cylinder wall of the discharging wheel, the discharging wheel is driven to rotate by a discharging motor, the toothpick blanking mechanism further comprises a blanking shaft parallel to the axis of the discharging wheel, an eccentric wheel is arranged on the blanking shaft, an eccentric sleeve is arranged on the eccentric wheel, a blanking swing rod is hinged on the eccentric sleeve, the two blanking swing rods are respectively positioned at 6 o' clock positions on two sides of the end of the discharging wheel at the swinging ends, the blanking swing rod is hinged with a rack through a swinging hinge shaft, and the eccentric wheel drives the eccentric sleeve to enable the blanking swing rod to swing up and down by taking the swinging hinge shaft as an origin, so that the tail end of the blanking swing rod swings upwards and downwards to dial out toothpicks from the conveying grooves; the four-edge sealing hot-pressing mechanism comprises a hot-pressing rack and a pair of hot-pressing wheels which are arranged on the hot-pressing rack and are rolled in pairs, toothpick containing grooves which are formed in the circumferential direction of the hot-pressing wheels are formed in the outer cylindrical wall of the hot-pressing wheels, the hot-pressing wheels are connected through gear power, one hot-pressing wheel is driven to rotate through a hot-pressing motor, a plurality of hot-pressing holes which are uniformly formed in the circumferential direction of the hot-pressing wheels are formed in the end face of the hot-pressing wheel, and electric heating rods are arranged in the hot-pressing holes; the width of the groove bottom of the preheating groove is smaller than the diameter of the toothpick.
2. The four-sided toothpick packaging machine according to claim 1, wherein: the guide piece is vertically arranged, and the groove bottom of the V-shaped guide groove is arranged at the bottom of the guide piece and penetrates through the guide piece.
3. The four-sided toothpick packaging machine according to claim 1, wherein: the preheating body is towards the one end of material area output direction, its preheating tank top still is equipped with the material area and gathers together the piece, the material area gathers together the piece on be equipped with gather together the groove, gather together the groove and be located the preheating tank directly over and set up in the middle, the material area is preheated the back through the preheating tank, and its both sides limit is gathered together the groove through gathering together and is realized the fifty percent discount.
4. The four-sided toothpick packaging machine according to claim 1, wherein: the discharging motor drives the discharging wheel to rotate through the worm gear reducer.
5. The four-sided toothpick packaging machine according to claim 4, wherein: the worm gear reducer is provided with a worm gear shaft which is directly connected with the discharging motor, and the worm gear shaft is connected with the discharging shaft through a flexible shaft.
6. The four-sided toothpick packaging machine according to claim 5, wherein: the transmission ratio of the worm gear reducer is the same as the number of the conveying grooves, and the discharging motor rotates for one circle, and the worm gear reducer rotates through one lattice of the conveying grooves, so that the discharging swing rod can swing up and down once.
7. The four-sided toothpick packaging machine according to claim 1, wherein: the toothpick blanking mechanism further comprises a vibrating disc, the vibrating disc is connected with the discharging wheel through a slideway to enable toothpicks to fall into the conveying groove, and the toothpicks fall into the conveying groove from one side of the discharging wheel, which is close to the slideway, are brought to the 12 o 'clock position by the discharging wheel and then further rotate to the 6 o' clock position to fall.
8. The four-sided toothpick packaging machine according to claim 1, wherein: the hot pressing machine frame is also provided with a pair of cutting wheels for cutting off the material strips after the toothpicks are hot-pressed and packaged by the hot pressing wheels and grinding the material strips, the cutting wheels are connected through gear power, the hot pressing wheels are connected with the cutting wheels through synchronous belt power, and the cutting wheels are provided with cutters.
9. The four-sided toothpick packaging machine according to claim 8, wherein: the hot pressing frame is also provided with a pair of grinding conveyer belts for receiving and cutting off packaged toothpicks by the cutting wheels, the pair of grinding conveyer belts are arranged in a mirror image mode, the packaged toothpicks pass through the two pair of grinding conveyer belts, the pair of grinding conveyer belts comprise conveyer belt supporting shafts, the conveyer belt supporting shafts are provided with conveyer wheels meshed with the pair of grinding conveyer belts, and one conveyer belt supporting shaft is in power connection with the synchronous belt.
10. The four-sided toothpick packaging machine according to claim 9, wherein: the discharging mechanism comprises a conveying frame, a discharging belt in power connection with a conveying belt supporting shaft is arranged on the conveying frame, a distributing plate is arranged on the conveying frame at the tail end of the feeding of the discharging belt, and the distributing plate drives the top of the distributing plate to swing through a cylinder so as to enable the top of the distributing plate to be close to or far away from a rotary arc surface at one end of the output direction of the discharging belt.
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| CN201910089946.2A CN109693832B (en) | 2019-01-30 | 2019-01-30 | Four-edge toothpick packaging machine |
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| CN201910089946.2A CN109693832B (en) | 2019-01-30 | 2019-01-30 | Four-edge toothpick packaging machine |
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| CN109693832B true CN109693832B (en) | 2023-10-13 |
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| CN114435692B (en) * | 2022-01-04 | 2023-10-27 | 赣州珐玛珈智能设备有限公司 | Four banding machine |
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