CN110203464B - Processing method of packaging bag - Google Patents
Processing method of packaging bag Download PDFInfo
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- CN110203464B CN110203464B CN201910453348.9A CN201910453348A CN110203464B CN 110203464 B CN110203464 B CN 110203464B CN 201910453348 A CN201910453348 A CN 201910453348A CN 110203464 B CN110203464 B CN 110203464B
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- bag
- arc
- packaging bag
- opening
- guide rod
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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
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/02—Forming flat bags from individual sheets or blanks
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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
- B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
- B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
- B65B43/30—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by grippers engaging opposed walls, e.g. suction-operated
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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
- B65B5/00—Packaging individual articles in containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, jars
- B65B5/02—Machines characterised by incorporation of means for making the containers or receptacles
- B65B5/022—Machines characterised by incorporation of means for making the containers or receptacles for making bags
Abstract
The invention provides a processing method of a packaging bag. The processing method comprises the following steps: the wrapping bag passes through the transfer chain transports extremely sack elevation former department, the support both sides the driving lever subassembly rotates, the driving lever subassembly the closed angle structure is close to together and inserts in the sack of wrapping bag, and the wrapping bag is along with the in-process that the transfer chain continues to remove, the driving lever subassembly continues to rotate, makes two the closed angle structure is kept away from each other, and, open the sack of wrapping bag gradually under the effect of arc guide arm. The structure of the bag mouth elevation former is simplified to improve the operation reliability and the operation reliability of a packaging bag production line is improved.
Description
The application is a divisional application applied in 2017, 26.10.7.8.7.26.10.78.8.7 of the original application, application number 201711013503.2, and the name of the invention is pocket mouth elevation angle former and packaging bag production line
Technical Field
The invention relates to mechanical equipment, in particular to a processing method of a packaging bag.
Background
At present, packaging bags (such as cement bags or fertilizer bags) are widely used for packaging and transporting materials. In the production process of a packaging bag production line, the cloth of the packaging bag is of a double-layer structure and is integrally wound into a cloth roll, after the cloth roll is led out, the cloth is cut into a set size by a cloth cutting device and then conveyed to a bag bottom opening mechanism for bag bottom opening treatment, and then the opening is opened by a supporting plate. Chinese patent No. 201410573449.7 discloses a bag bottom opening mechanism, which uses a cam plate and a supporting plate to cooperate to open the mouth of a material bag, but the whole structure is complex and the operation reliability is low. The invention aims to solve the technical problem of how to design a bag opening forming device which is simple in structure and high in operation reliability.
Disclosure of Invention
The invention provides a processing method of a packaging bag, which simplifies the structure of a bag opening elevation former to improve the operation reliability and improve the operation reliability of a packaging bag production line.
The invention provides a processing method of a packaging bag, which is characterized in that a packaging bag production line is adopted to open a bag opening of the packaging bag, wherein the packaging bag production line comprises a conveying line and a bag opening elevation former, and the bag opening elevation former is arranged on the conveying line; the bag opening elevation former comprises a bracket, a driving shaft, a driving mechanism and a deflector rod assembly; the driving shaft is rotatably mounted on the bracket, the driving mechanism is in transmission connection with the driving shaft, mounting seats are symmetrically arranged on two sides of the bracket and rotatably arranged on the bracket through rotating shafts, the rotating shafts of the mounting seats are obliquely arranged relative to the driving shaft, and two end parts of the driving shaft are respectively connected with the rotating shafts of the mounting seats through universal couplings; each mounting seat is provided with the deflector rod assembly, the deflector rod assembly comprises a supporting rod and an arc-shaped guide rod, one end of the arc-shaped guide rod is connected with one end of the supporting rod to form a sharp-angled structure, and the other end of the supporting rod is fixed on the mounting seat;
the processing method comprises the following steps: the wrapping bag passes through the transfer chain transports extremely sack elevation former department, the support both sides the driving lever subassembly rotates, the driving lever subassembly the closed angle structure is close to together and inserts in the sack of wrapping bag, and the wrapping bag is along with the in-process that the transfer chain continues to remove, the driving lever subassembly continues to rotate, makes two the closed angle structure is kept away from each other, and, open the sack of wrapping bag gradually under the effect of arc guide arm.
Further, the driving mechanism comprises a power input shaft and an acceleration size adjusting assembly, and the power input shaft is rotatably mounted on the bracket; the acceleration size adjusting assembly comprises a first mounting frame, a first motor, a screw rod, an eccentric seat, an H-shaped bracket, a first rotating arm, a second rotating arm and a shaft sleeve, the first motor is arranged on the first mounting frame and is in transmission connection with the lead screw, the lead screw is rotatably arranged on the first mounting frame, the eccentric seat is arranged on the first mounting frame in a sliding manner, a threaded hole is formed in the eccentric seat, the screw rod is connected in the threaded hole, the H-shaped bracket is rotatably arranged on the eccentric seat, the shaft sleeve is sleeved on the power input shaft, one end part of the first rotating arm is arranged on the shaft sleeve, the other end of the first rotating arm is arranged in a sliding groove formed by the H-shaped bracket in a sliding way, one end of the second rotating arm is arranged on the power input shaft, the other end of the second rotating arm is arranged in another sliding groove formed by the H-shaped bracket in a sliding manner; the shaft sleeve is in transmission connection with the driving shaft.
The bag opening elevation former is characterized by further comprising a pre-opening mechanism, wherein the pre-opening mechanism and the bag opening elevation former are sequentially arranged on the conveying line along the conveying direction of the conveying line; the pre-opening mechanism comprises a base and two sucker components, the two sucker components are oppositely arranged on the base, the sucker components comprise a crank-link mechanism and a plurality of suckers, the crank-link mechanism comprises two cranks which are rotatably arranged on the base and a connecting rod which is arranged between the two cranks, and the suckers are arranged on the connecting rod;
the processing method specifically comprises the following steps:
the packaging bag moves forwards in the horizontal direction through the conveying line, after the sucking disc sucks the bag opening of the packaging bag, the packaging bag reaches the lower part of the bag opening elevation former, the front end of the arc-shaped guide rod reaches the bag corner of the bag opening at one side of the packaging bag in advance, the acceleration size adjusting assembly accelerates, the speed of the front end tangent plane of the arc-shaped guide rod is suddenly increased, the front end of the arc-shaped guide rod quickly reaches the bag corner of the bag opening at one side of the packaging bag, meanwhile, the size of the front end opening of the arc-shaped guide rod is gradually increased, and the bag corner of the bag opening at one side of the packaging bag is tensioned by the extension force; after the bag corners of the bag opening at one side of the packaging bag are formed, the acceleration size adjusting assembly decelerates, the section speed of the arc-shaped guide rod is reduced relative to the packaging bag speed, and the bag corners of the bag opening at one side of the packaging bag can be quickly released and separated from the front end of the arc-shaped guide rod; at the moment, the bag corner of the bag opening at the other side of the packaging bag quickly reaches the tail end of the arc-shaped guide rod, meanwhile, the opening size of the tail end of the arc-shaped guide rod is gradually increased, and the bag corner of the bag opening at the other side of the packaging bag is tensioned by the extension force generated by the arc-shaped guide rod to be formed; after the bag angle of wrapping bag opposite side sack shaping, the size adjusting part accelerates with higher speed, arc guide arm tangent plane speed is fast for the wrapping bag speed, the end of arc guide arm 42 is rotated fast and is separated the bag angle of wrapping bag opposite side sack.
Further, actuating mechanism still includes angle adjusting part, angle adjusting part includes second mounting bracket, second motor, worm and worm wheel, the second mounting bracket is fixed on the support, be provided with the round hole on the second mounting bracket, the worm wheel is located in the round hole, the worm with the worm wheel meshing, the second motor with the worm transmission is connected, the guide slot has been seted up on the worm wheel, eccentric seat slides and sets up in the guide slot.
Furthermore, be provided with the first gear of detachable on the axle sleeve, still be provided with rotationally the carousel on the power input shaft, still be provided with on the carousel with first gear engagement's second gear, another end connection of first rocking arm the second gear, the axle sleeve passes through the carousel with drive shaft transmission is connected.
Furthermore, in the process that the two corresponding shifting lever assemblies on the two mounting seats rotate along with the mounting seats, the sharp-angled structures of the two shifting lever assemblies are close to each other and then are far away from each other to perform cyclic motion sequentially.
Furthermore, the two sides of the bracket are symmetrically provided with mounting surfaces which are inclined downwards, and the rotating shaft of the mounting seat is rotatably mounted on the mounting surfaces.
Furthermore, along the rotating direction of the mounting seats, a plurality of shifting lever assemblies are correspondingly arranged on the two mounting seats.
Furthermore, a reinforcing rod is arranged between the support rod and the arc-shaped guide rod.
According to the processing method of the packaging bag, the two mounting seats which rotate obliquely relative to the driving shaft are arranged on the two sides of the support, the two driving lever assemblies correspondingly arranged on the mounting seats can move away from each other after approaching each other in the rotating process, the two sharp corner structures can be inserted into the bag opening after approaching each other, and in the process of moving away from each other, the bag opening is completely opened through the arc-shaped guide rod to form four corners of the bag opening.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view of a packaging bag manufacturing line according to an embodiment of the present invention;
FIG. 2 is a perspective view of a pocket elevation former in an embodiment of the present invention of a package production line;
FIG. 3 is a bottom view of a pocket elevation former in an embodiment of a package manufacturing line of the present invention;
FIG. 4 is a schematic structural view of a pre-opening mechanism in an embodiment of the present invention;
FIG. 5 is an exploded view of a pocket elevation former in an embodiment of a bag production line of the present invention;
fig. 6 is a schematic structural view of the packaging bag.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 6, the packaging bag production line of the present embodiment includes a conveyor line (not labeled) for conveying packaging bags 300 to be processed, and a pocket elevation former 100, on which the pocket elevation former 100 is disposed. The pocket elevation former 100 comprises a bracket 1, a driving shaft 2, a driving mechanism 3 and a deflector rod assembly 4; the driving shaft 2 is rotatably mounted on the bracket 1, the driving mechanism 3 is in transmission connection with the driving shaft 2, mounting seats 11 are symmetrically arranged on two sides of the bracket 1, the mounting seats 11 are rotatably mounted on the bracket 1 through rotating shafts 111, the rotating shafts 111 of the mounting seats 11 are obliquely arranged downwards relative to the driving shaft 2, and two end parts of the driving shaft 2 are respectively connected with the rotating shafts 111 of the mounting seats 11 through universal couplings 21; each of the mounting seats 11 is provided with the shift lever assembly 4, the shift lever assembly 4 includes a support rod 41 and an arc-shaped guide rod 42, one end of the arc-shaped guide rod 42 is connected with one end of the support rod 41 to form a sharp-angled structure 40, and the other end of the support rod 41 is fixed on the mounting seat 11.
Particularly, this embodiment wrapping bag production line transports the wrapping bag of treating processing through the transfer chain, when wrapping bag 300 transports 100 departments of sack elevation angle former, the driving lever subassembly 4 of 1 both sides of support rotates, the closed angle structure 40 of driving lever subassembly 4 is close to together and inserts the sack of wrapping bag 300, wrapping bag 300 is along with the in-process that the transfer chain continues to remove, driving lever subassembly 4 continues to rotate, make two closed angle structures 40 keep away from each other, and, open the sack four corners shaping that realizes wrapping bag 300 gradually with wrapping bag 300 sack under arc guide arm 42's effect. Wherein, arc guide arm 42 is for along the rotation direction of mount pad 11 towards inboard crooked, two corresponding two on the mount pad 11 driving lever subassembly 4 is following mount pad 11 rotates the in-process, two keep away from cyclic motion in proper order each other after the closed angle structure 40 of driving lever subassembly 4 is close to each other, that is to say, closed angle structure 40 of two corresponding driving lever subassemblies 4 from the top of support 1 in the motion process downwards, two closed angle structures 40 are close to gradually, when inserting in the sack of the wrapping bag 300 of support 1 bottom, two closed angle structures 40's distance is nearest, then, closed angle structure 40 is in the below from support 1 top motion process, two closed angle structures 40 keep away from gradually to under arc guide arm 42 effect gradually open the sack and form the four corners.
Further, in order to facilitate assembling the mounting seat 11, mounting surfaces 12 inclined downward are symmetrically arranged on two sides of the bracket 1, and a rotating shaft 111 of the mounting seat 11 is rotatably mounted on the mounting surfaces 12. Specifically, the position where the pointed structure 40 is inserted into the packaging bag 300 can be adjusted by adjusting the inclination angle of the mounting surface 12, so that the requirement of forming four corners of packaging bags 300 with different specifications can be met. In order to improve the processing efficiency, a plurality of the shift lever assemblies 4 are correspondingly and uniformly arranged on the two mounting seats 11 along the rotating direction of the mounting seats 11. In order to improve the structural strength of the shift lever assembly 4, a reinforcing rod 43 is disposed between the support rod 41 and the arc guide rod 42.
Furthermore, in order to ensure that the pointed structure 40 is accurately inserted into the mouth of the packaging bag 300, the packaging bag production line further comprises a pre-opening mechanism 200, and the pre-opening mechanism 200 and the mouth elevation former 100 are sequentially arranged on the conveying line along the conveying direction of the conveying line; the pre-opening mechanism 200 comprises a base 5 and two sucker components 6, wherein the two sucker components 6 are oppositely arranged on the base 5, the sucker components 6 comprise a crank-link mechanism 61 and a plurality of suckers 62, the crank-link mechanism 61 comprises two cranks 611 which are rotatably arranged on the base 5 and a connecting rod 612 which is arranged between the two cranks 611, and the suckers 62 are arranged on the connecting rod 612. Specifically, the suckers 62 in the two sucker assemblies 6 move through the respective crank link mechanisms 61, so that the suckers 62 in the two sucker assemblies 6 are close to each other and then are far away from each other, and therefore the bag opening of the packaging bag 300 can be opened through the suckers 62 in the two sucker assemblies 6, and the pointed structures 40 can be accurately inserted into the bag opening of the packaging bag 300 conveniently.
Still further, in order to realize the rotation speed change through the arc-shaped guide rod 42 in the process of opening the bag mouth so as to impact and open the bag mouth, the driving mechanism 3 comprises a power input shaft 31 and an acceleration size adjusting assembly 32, the power input shaft 31 is rotatably mounted on the bracket 1, the power input shaft 31 is in transmission connection with the driving shaft 2, and the power input shaft 31 can be driven to rotate by a power component such as a motor; the acceleration size adjusting assembly 32 includes a first mounting frame 321, a first motor 322, a lead screw 323, an eccentric seat 324, an H-shaped bracket 325, a first rotating arm 326, a second rotating arm 327 and a shaft sleeve 328, the first motor 322 is disposed on the first mounting frame 321 and is in transmission connection with the lead screw 323, the lead screw 323 is rotatably disposed on the first mounting frame 321, the eccentric seat 324 is slidably disposed on the first mounting frame 321, a threaded hole is opened on the eccentric seat 324, the lead screw 323 is in threaded connection with the threaded hole, the H-shaped bracket 325 is rotatably disposed on the eccentric seat 324, the shaft sleeve 328 is sleeved on the power input shaft 31, one end of the first rotating arm 326 is disposed on the shaft sleeve 328, the other end of the first rotating arm 326 is slidably disposed in a sliding slot formed by the H-shaped bracket 325, one end of the second rotating arm 327 is disposed on the power input shaft 31, the other end of the second rotating arm 327 is slidably disposed in another sliding slot formed by the H-shaped bracket 325; the shaft sleeve 328 is in driving connection with the drive shaft 2. Specifically, the first motor 322 drives the screw 323 to rotate, so that the eccentric seat 324 drives the H-shaped bracket 325 to move, and the rotation axis of the H-shaped bracket 325 deviates from the axis of the power input shaft 31, and thus, the distances between the first rotating arm 326 and the second rotating arm 327 and the rotation axis of the H-shaped bracket 325 change, during the rotation of the power input shaft 31, the power input shaft 31 drives the second rotating arm 327 to rotate, the second rotating arm 327 drives the bushing 328 to rotate, and thus, the driving shaft 2 is driven to rotate by the bushing 328, and after the rotation axis of the H-shaped bracket 325 deviates from the axis of the power input shaft 31, the rotation radii of the ends of the H-shaped bracket 31, which are in contact with the H-shaped bracket 325, will be different, so that during the uniform rotation of the power input shaft 31, the rotation speeds of the second rotating arm 327 at different positions are different, and thus, the variable-speed rotation of the driving shaft 2 is realized, at the in-process of opening the sack, can be so that the rotational speed of drive shaft 2 accelerates to produce through arc guide arm 42 and assault the sack with effectual opening of sack, and break away from the in-process of sack at arc guide arm 42, can control the rotational speed reduction of drive shaft 2 again, break away from out from the sack with smooth-going, improve the efficiency and the quality of sack processing. Preferably, to different specification and dimension's wrapping bag 300, then need adjust the speed control position that arc guide 42 got into the sack, actuating mechanism 3 still includes angle adjusting part 33, angle adjusting part 33 includes second mounting bracket 331, second motor 332, worm 333 and worm wheel 334, second mounting bracket 331 is fixed on the support 1, be provided with the round hole on the second mounting bracket 331, worm wheel 334 is located in the round hole, worm 333 with worm wheel 334 meshes, second motor 332 with worm 333 transmission is connected, guide slot 3341 has been seted up on the worm wheel 334, eccentric seat 324 slides and sets up in the guide slot 3341, first mounting bracket 321 is fixed on the worm wheel 334. Specifically, the speed change of the driving shaft 2 can be controlled by controlling the horizontal distance between the axis of the rotating shaft of the H-shaped support 325 and the power input shaft 31, and the position of the speed change point of the driving shaft 2 can be adjusted by adjusting the vertical distance between the axis of the rotating shaft of the H-shaped support 325 and the power input shaft 31, and the second motor 332 drives the worm 333 to rotate so as to rotate the worm wheel 334, so that the guide groove 3341 is inclined, and the eccentric seat 324 can control the axis of the rotating shaft of the H-shaped support 325 to incline and move in the moving process, so that the arc-shaped guide rod 42 can be adjusted to be screwed in and out of the bag opening at a proper position. Because the amount of deflection of the eccentric seat 324 adjusted by the worm 333 and the worm wheel 334 is limited, when the amount of deflection exceeds the adjustment range, the adjustment needs to be performed by the following structure: the shaft sleeve 328 is provided with a detachable first gear 3281, the power input shaft 31 is further provided with a rotatable turntable 329, the turntable 329 is further provided with a second gear 3291 meshed with the first gear 3281, the other end of the first rotating arm 326 is inserted into the second gear 3291 through a pin shaft, and specifically, in the assembling process, after the initial positions of the shaft sleeve 328 and the turntable 329 are adjusted, the first gear 3281 is fixed on the shaft sleeve 328, and meanwhile, the second gear 3291 is fixed on the turntable 329, so that the shaft sleeve 328 and the turntable 329 are fixedly connected together, and thus, the initial position of the first rotating arm 326 can be adjusted in a large range, and the requirement that the arc-shaped adjusting guide rod 42 is finely adjusted in an adjustable range through the worm wheel 334 and the worm 333 is met.
The specific working process is as follows:
the packing bag 300 is moved forward in a horizontal direction by a conveyor line, and the pocket elevation former 100 is positioned above and installed perpendicular to the horizontal plane. After suction cups 62 suck the pockets of the pouches 300, they reach under pocket elevation former 100. The front end A, C angle of the arc-shaped guide rod 42 firstly reaches the bag opening F, E angle, the acceleration size adjusting assembly accelerates, the speed of the A, C end section is suddenly increased according to the speed of the packaging bag 300, the front end A, C of the arc-shaped guide rod 42 can quickly reach the bag opening F, E angle of the packaging bag 300, meanwhile, the opening size of the A, C end of the front end of the arc-shaped guide rod 42 can be gradually increased, and the outward stretching force generated by the arc-shaped guide rod 42 tensions two corners of the bag opening F, E of the packaging bag 300 for forming; E. after the two corners are formed, the acceleration size adjusting assembly decelerates, the section cutting speed of the arc-shaped guide rod 42 is reduced relative to the speed of the packaging bag 300, and the corners of the bag opening F, E of the packaging bag 300 can be quickly released and separated from the front end A, C of the arc-shaped guide rod 42; at this time, the corner of the bag opening K, J can also reach the tail end D, B of the arc-shaped guide rod 42 quickly, meanwhile, the opening size of the tail end D, B end of the arc-shaped guide rod 42 is gradually increased, and the extending force generated by the arc-shaped guide rod 42 tightens the two corners of the bag opening J, K of the packaging bag 300 for forming; after the J, K two corners of the opening of the packaging bag 300 are formed, the acceleration size adjusting assembly accelerates, the cutting speed of the arc-shaped guide rod 42 is faster relative to the packaging bag 300, the tail end D, B corner of the arc-shaped guide rod 42 is quickly rotated away from the J, K corner of the opening of the packaging bag 300, and at the moment, the four corners of the opening of the single packaging bag 300 are completely formed.
According to the processing method of the packaging bag, the two mounting seats which rotate obliquely relative to the driving shaft are arranged on the two sides of the support, the two driving lever assemblies correspondingly arranged on the mounting seats can move away from each other after approaching each other in the rotating process, the two sharp corner structures can be inserted into the bag opening after approaching each other, and in the process of moving away from each other, the bag opening is completely opened through the arc-shaped guide rod to form four corners of the bag opening.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The processing method of the packaging bag is characterized in that a packaging bag production line is adopted to open a bag opening of the packaging bag, wherein the packaging bag production line comprises a conveying line and a bag opening elevation former, and the bag opening elevation former is arranged on the conveying line; the bag opening elevation former comprises a bracket, a driving shaft, a driving mechanism and a deflector rod assembly; the driving shaft is rotatably mounted on the bracket, the driving mechanism is in transmission connection with the driving shaft, mounting seats are symmetrically arranged on two sides of the bracket and rotatably arranged on the bracket through rotating shafts, the rotating shafts of the mounting seats are obliquely arranged relative to the driving shaft, and two end parts of the driving shaft are respectively connected with the rotating shafts of the mounting seats through universal couplings; each mounting seat is provided with the deflector rod assembly, the deflector rod assembly comprises a supporting rod and an arc-shaped guide rod, one end of the arc-shaped guide rod is connected with one end of the supporting rod to form a sharp-angled structure, and the other end of the supporting rod is fixed on the mounting seat;
the processing method comprises the following steps: the wrapping bag passes through the transfer chain transports extremely sack elevation former department, the support both sides the driving lever subassembly rotates, the driving lever subassembly the closed angle structure is close to together and inserts in the sack of wrapping bag, and the wrapping bag is along with the in-process that the transfer chain continues to remove, the driving lever subassembly continues to rotate, makes two the closed angle structure is kept away from each other, and, open the sack of wrapping bag gradually under the effect of arc guide arm.
2. The method of claim 1, wherein the driving mechanism includes a power input shaft and an acceleration size adjusting assembly, the power input shaft being rotatably mounted on the stand; the acceleration size adjusting assembly comprises a first mounting frame, a first motor, a screw rod, an eccentric seat, an H-shaped bracket, a first rotating arm, a second rotating arm and a shaft sleeve, the first motor is arranged on the first mounting frame and is in transmission connection with the lead screw, the lead screw is rotatably arranged on the first mounting frame, the eccentric seat is arranged on the first mounting frame in a sliding manner, a threaded hole is formed in the eccentric seat, the screw rod is connected in the threaded hole, the H-shaped bracket is rotatably arranged on the eccentric seat, the shaft sleeve is sleeved on the power input shaft, one end part of the first rotating arm is arranged on the shaft sleeve, the other end of the first rotating arm is arranged in a sliding groove formed by the H-shaped bracket in a sliding way, one end of the second rotating arm is arranged on the power input shaft, the other end of the second rotating arm is arranged in another sliding groove formed by the H-shaped bracket in a sliding manner; the shaft sleeve is in transmission connection with the driving shaft.
3. The method for processing the packaging bag according to claim 2, further comprising a pre-opening mechanism, wherein the pre-opening mechanism and the bag mouth elevation former are sequentially arranged on the conveying line along the conveying direction of the conveying line; the pre-opening mechanism comprises a base and two sucker components, the two sucker components are oppositely arranged on the base, the sucker components comprise a crank-link mechanism and a plurality of suckers, the crank-link mechanism comprises two cranks which are rotatably arranged on the base and a connecting rod which is arranged between the two cranks, and the suckers are arranged on the connecting rod;
the processing method specifically comprises the following steps:
the packaging bag moves forwards in the horizontal direction through the conveying line, after the sucking disc sucks the bag opening of the packaging bag, the packaging bag reaches the lower part of the bag opening elevation former, the front end of the arc-shaped guide rod reaches the bag corner of the bag opening at one side of the packaging bag in advance, the acceleration size adjusting assembly accelerates, the speed of the front end tangent plane of the arc-shaped guide rod is suddenly increased, the front end of the arc-shaped guide rod quickly reaches the bag corner of the bag opening at one side of the packaging bag, meanwhile, the size of the front end opening of the arc-shaped guide rod is gradually increased, and the bag corner of the bag opening at one side of the packaging bag is tensioned by the extension force; after the bag corners of the bag opening at one side of the packaging bag are formed, the acceleration size adjusting assembly decelerates, the section speed of the arc-shaped guide rod is reduced relative to the packaging bag speed, and the bag corners of the bag opening at one side of the packaging bag can be quickly released and separated from the front end of the arc-shaped guide rod; at the moment, the bag corner of the bag opening at the other side of the packaging bag quickly reaches the tail end of the arc-shaped guide rod, meanwhile, the opening size of the tail end of the arc-shaped guide rod is gradually increased, and the bag corner of the bag opening at the other side of the packaging bag is tensioned by the extension force generated by the arc-shaped guide rod to be formed; after the bag angle of wrapping bag opposite side sack shaping, it accelerates to accelerate size adjusting part, arc guide arm tangent plane speed is fast for wrapping bag speed, the end of arc guide arm is rotated away from the bag angle of wrapping bag opposite side sack fast.
4. The processing method of the packaging bag as claimed in claim 2, wherein the driving mechanism further comprises an angle adjusting assembly, the angle adjusting assembly comprises a second mounting frame, a second motor, a worm and a worm wheel, the second mounting frame is fixed on the support, a round hole is formed in the second mounting frame, the worm wheel is located in the round hole, the worm is meshed with the worm wheel, the second motor is in transmission connection with the worm, a guide groove is formed in the worm wheel, and the eccentric seat is slidably arranged in the guide groove.
5. The method as claimed in claim 4, wherein the shaft sleeve is provided with a first detachable gear, the power input shaft is further provided with a rotatable turntable, the turntable is further provided with a second gear engaged with the first gear, the other end of the first rotating arm is connected with the second gear, and the shaft sleeve is in transmission connection with the driving shaft through the turntable.
6. The method as claimed in claim 1, wherein the two corresponding deflector rod assemblies on the two mounting seats move in a circular manner after the sharp-angled structures of the two deflector rod assemblies approach each other and then move away from each other in a circular manner in the process of rotating along with the mounting seats.
7. The method of claim 1, wherein the holder is provided with mounting surfaces inclined downward at both sides thereof symmetrically, and the rotation shaft of the mounting seat is rotatably mounted on the mounting surfaces.
8. The method of claim 1, wherein a plurality of said lever assemblies are disposed on two of said mounting seats along a rotation direction of said mounting seats.
9. The method of claim 1, wherein a reinforcing bar is further provided between the support bar and the arc guide bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910453348.9A CN110203464B (en) | 2017-10-26 | 2017-10-26 | Processing method of packaging bag |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910453348.9A CN110203464B (en) | 2017-10-26 | 2017-10-26 | Processing method of packaging bag |
| CN201711013503.2A CN107813544B (en) | 2017-10-26 | 2017-10-26 | Sack elevation angle former and packing bag production line |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711013503.2A Division CN107813544B (en) | 2017-10-26 | 2017-10-26 | Sack elevation angle former and packing bag production line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110203464A CN110203464A (en) | 2019-09-06 |
| CN110203464B true CN110203464B (en) | 2021-04-06 |
Family
ID=61604194
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910453348.9A Active CN110203464B (en) | 2017-10-26 | 2017-10-26 | Processing method of packaging bag |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108839390A (en) * | 2018-06-08 | 2018-11-20 | 湖北诃力机械设备有限公司 | Full-automatic woven bag speed change cut-in without ball bagging joint-cutting all-in-one machine |
| CN109501385B (en) * | 2018-11-13 | 2020-07-17 | 青岛晨峰智能装备有限公司 | Packaging bag opening four-corner forming device and control method thereof |
| CN109605827A (en) * | 2018-12-29 | 2019-04-12 | 佛山市达肯包装机械有限公司 | A kind of bag bottom bracing opening apparatus of paper bag bottom-pasting machine |
| CN109703102B (en) * | 2019-01-16 | 2021-01-05 | 青岛晨峰智能装备有限公司 | Packaging bag bottom opening assembly, four-corner forming device and control method thereof |
| CN111977077A (en) * | 2020-07-15 | 2020-11-24 | 陶茂龙 | Automatic packing box unfolding and packing mechanism utilizing laser scanning induction |
| CN113291541B (en) * | 2021-06-03 | 2022-08-19 | 武昌理工学院 | Novel strip-shaped packaging bag vacuum forming packaging machine |
| CN117022797B (en) * | 2023-10-10 | 2023-12-12 | 山西诚鑫聚建材有限公司 | Filling equipment for water reducing agent packaging |
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| CN104354334A (en) * | 2014-10-24 | 2015-02-18 | 青岛建华包装机械有限公司 | Duckbilled bag bottom opening mechanism and packaging bag production line |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107813544A (en) | 2018-03-20 |
| CN107813544B (en) | 2019-05-17 |
| CN110203464A (en) | 2019-09-06 |
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