CN113602592A - Bag opening equipment for automatic packaging machine for preventing packaging bag from being damaged - Google Patents
Bag opening equipment for automatic packaging machine for preventing packaging bag from being damaged Download PDFInfo
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- CN113602592A CN113602592A CN202110972869.2A CN202110972869A CN113602592A CN 113602592 A CN113602592 A CN 113602592A CN 202110972869 A CN202110972869 A CN 202110972869A CN 113602592 A CN113602592 A CN 113602592A
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- Prior art keywords
- bag
- packaging bag
- packaging
- automatic
- 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
- B65B43/26—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
- 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
- B65B43/34—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks by internal pressure
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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
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/02—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages
- B65B57/04—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of binding or wrapping material, containers, or packages and operating to control, or to stop, the feed of such material, containers, or packages
Abstract
The invention discloses bag opening equipment for an automatic packaging machine for preventing packaging bags from being damaged, and relates to the technical field of automatic packaging machines. The invention comprises a workbench, wherein a first mounting plate and a second mounting plate are axially and symmetrically arranged on the workbench along a central shaft of the workbench. According to the invention, the reinforcing part is arranged on the stay bar, the stay bar is of a structure for expanding the packaging bag, when the stay bar is used for hanging the packaging bag, the packaging bag is expanded, the reinforcing part is provided with the detector, and when the detector detects the packaging bag, the detector drives the first electric telescopic column to retract so that the first electric telescopic column moves the sucker backwards to clamp the packaging bag, so that the packaging bag is reinforced, the packaging bag expanded by the stay bar cannot deviate compared with the sucker, in the production process, when the product is packaged, the product can accurately fall at the central position of the packaging bag, the gravity center of the packaging bag is always at the central position, the seal is parallel in the packaging process, the packaging is more convenient, and the production efficiency is increased.
Description
Technical Field
The invention belongs to the technical field of automatic packaging machines, and particularly relates to bag opening equipment for an automatic packaging machine, which can prevent a packaging bag from being damaged.
Background
Automatic packaging machine, generally divide into semi-automatic packaging machine and full-automatic packaging machine two sets ofly, both repack the in-process all automatic, it is automatic or manual when the difference lies in carrying out the product bagging-off, automatic packaging machine generally is used for articles for daily use and food's packing, these products generally use the plastic bag to pack, fix the plastic bag on equipment, pack the product into, seal the plastic bag again, automatic packaging machine is different from the advantage of manual packing and is the design advance, rational in infrastructure, the dependable performance, it is wherein will open the bag and expand to open a bag equipment.
The automatic bagging packaging equipment disclosed in patent publication No. CN112660494A is mounted on a moving plate through a bag grabbing cylinder, the bag grabbing cylinder is connected with a sucking disc seat support, and a bag grabbing sucking disc is arranged on the sucking disc seat support; the bag opening device comprises: the bag opening cylinder and the bag sucking discs are connected, the bag opening cylinder is connected with the sucking disc frame, the bag opening sucking discs are installed on the sucking disc frame, when the prefabricated bag arrives at the bag opening station C, the sucking disc cylinder drives the bag opening sucking discs to move upwards, contact with the bag grabbing sucking discs and adsorb the outer packaging prefabricated bag, then the sucking disc cylinder drives reversely, and the bag opening sucking discs and the bag grabbing sucking discs act together to open the bag mouth of the packaging bag.
Above-mentioned technical scheme snatchs and fixed wrapping bag through the sucking disc, in the actual production, use the difficult firm wrapping bag of fixing of sucking disc, especially the production process is than longer time and the weight of product heavier, the wrapping bag that the sucking disc is fixed just drops very easily or takes place the skew, and open the bag through the sucking disc, need a plurality of sucking discs to cooperate jointly, the sucking disc is taken off then the sack closes, need the sucking disc to hold the wrapping bag constantly in process of production, every wrapping bag all need set up and open bagging apparatus and grab a bag sucking disc, the structure is complicated and with high costs, the fold also can appear in the wrapping bag, the product is pushed down the fold when getting into the wrapping bag and is leaded to the inner space of wrapping bag to diminish, for this we have proposed one kind and prevented that the wrapping bag is damaged automatic packaging machine and have been used the equipment of opening the bag.
Disclosure of Invention
The invention aims to provide bag opening equipment for an automatic packaging machine, which can prevent a packaging bag from being damaged, and solves the problems that the packaging bag fixed by the existing sucking disc is easy to drop or deviate, the bag is opened by the sucking disc, a plurality of sucking discs are required to be matched together, the bag is closed when the sucking disc is taken away, the packaging bag is required to be sucked by the sucking disc constantly in the production process, each packaging bag is required to be provided with a bag opening device and a bag grabbing sucking disc, the structure is complex and the cost is high, the packaging bag is wrinkled, and the inner space of the packaging bag is reduced when a product is pressed when the product enters the packaging bag.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a bag opening device for an automatic packaging machine for preventing packaging bags from being damaged, which comprises a workbench, wherein the workbench is provided with a first mounting plate and a second mounting plate along the central axis of the workbench in an axial symmetry manner, the first mounting plate and the second mounting plate are respectively provided with a rack, one rack is connected with a bag opening component through a lifting component, a fixed column is arranged below the other rack, the workbench is provided with a rotary seat through a rotary component, and a bag opening component is arranged in the rotary seat;
the bag supporting assembly comprises three mounting boxes, first automatic telescopic columns, support rods and reinforcing parts, the three mounting boxes are arranged in the rotary seat and are distributed in a circumferential array manner, two opposite side surfaces in each mounting box are respectively provided with one first automatic telescopic column, one side of each first automatic telescopic column is respectively provided with one support rod, one end, far away from the mounting box, of each support rod is provided with the reinforcing part, the first automatic telescopic columns are mounted in the mounting boxes, so that the support rods can be supported towards two sides, and a packaging bag is hung between the two support rods of the same mounting box and is supported;
the reinforcing part comprises a detector, first electric telescopic columns and suckers, one end of each support rod, far away from the mounting box, is provided with the detector, the inside of each detector is provided with one first electric telescopic column and is electrically connected with the detector, the output end of each first electric telescopic column is provided with one sucker, and the detector detects a packaging bag on the support rod to retract the first electric telescopic column, so that the sucker clamps the packaging bag backwards to reinforce the packaging bag;
the bag opening assembly comprises an inflation part and four unfolding rods, the four unfolding rods are movably arranged below the lifting assembly and are arranged around the inflation part, one side, close to the inflation part, of each unfolding rod is provided with a connecting spring, one end, far away from the unfolding rods, of each connecting spring is connected with the output end of the second electric telescopic column, one end of each unfolding rod is connected with the second electric telescopic column through the connecting spring, the second electric telescopic column retracts to enable the connecting springs to unfold, the unfolding rods are slowly unfolded, the opening of a packaging bag is enlarged, and the packaging bag cannot be damaged due to small force;
the improved bag opening mechanism is characterized in that an auxiliary bag opening assembly is arranged on the unfolding rod and comprises an upper connecting seat, a lower connecting seat, a moving block and a transmission spring, the upper connecting seat is arranged on the lifting plate, a slide way is arranged on the unfolding rod, the moving block is movably arranged in the slide way, the lower connecting seat is arranged on the moving block, the transmission spring is arranged between the lower connecting seat and the upper connecting seat, one side, away from the unfolding rod, of the sliding block is provided with an unfolding block, the moving block in the slide way moves through unfolding and closing of the unfolding rod, the unfolding block can move up and down, the unfolding block unfolds folds in the bag, the auxiliary unfolding rod unfolds the packaging bag greatly, and the packaging bag can be better bagged in production.
Preferably, the workbench comprises a workbench body, bearing columns, bearing feet and connecting rods, wherein four bearing columns are arranged below the workbench body and are respectively close to one corner of the workbench body, one bearing foot is arranged below each bearing column, and one connecting rod is arranged between every two bearing columns.
Preferably, rotating assembly includes mount pad, speed reducer, driving motor and rotation axis, workstation top central point is located to the mount pad and is put, the mount pad top is equipped with the speed reducer, the speed reducer input is connected with the driving motor output, the speed reducer output is equipped with the rotation axis, the one end that the speed reducer was kept away from to the rotation axis is connected with the roating seat below, and is rotatory through driving motor, and through speed reducer reduction rotation rate, makes the roating seat rotate through the rotation axis.
Preferably, a protection box is arranged at the center above the workbench, and the rotating assembly is located inside the protection box.
Preferably, the lifting assembly comprises an air cylinder and a lifting plate, the air cylinder is arranged at the top of the rack, the lifting plate is arranged at the output end of the air cylinder, and the lifting plate moves up and down through the air cylinder.
Preferably, the portion of aerifing includes air pump, gas-supply pipe and jet-propelled head, the air pump sets up in lifter plate below central point and puts, the air pump output is equipped with the gas-supply pipe, the one end that the air pump was kept away from to the gas-supply pipe is equipped with the jet-propelled head, provides gas through the air pump, inputs the wrapping bag through gas-supply pipe and jet-propelled head in, blows and makes the wrapping bag expand.
Preferably, each two outsides that the mounting box kept away from each other respectively are equipped with a dead lever, and are parallel to each other with adjacent vaulting pole, are equipped with a buffer spring between every dead lever and an adjacent vaulting pole, through set up buffer spring between vaulting pole and the dead lever, buffer spring resets the vaulting pole when the wrapping bag is lifted off to the vaulting pole.
Preferably, the expansion rod is including expanding pole body, column spinner and installation piece, every each activity of expansion rod body both sides is equipped with a column spinner, every the column spinner is kept away from expansion rod body one end and is equipped with the installation piece, eight the installation piece all sets up on the lifter plate, makes the vaulting pole rotate through the column spinner.
Preferably, a bag pressing assembly is arranged below the fixed column, the bag pressing assembly comprises connecting blocks, sliding blocks, a pressing block and a second automatic telescopic column, two connecting blocks are symmetrically arranged below the fixed column along the central axis of the fixed column, two sliding grooves are arranged between the two connecting blocks below the fixed column, two sliding blocks are movably arranged in each sliding groove, the lower ends of the two sliding blocks are connected with the pressing block, the second automatic telescopic column is arranged between the connecting block and the pressing block which are far away from the rotating seat, the output end of the second automatic telescopic column is connected with the pressing block, one connecting block is arranged on one side of the packaging bag, a corner at the top of the packaging bag supported by a supporting rod is arranged between the pressing block and the connecting block, the pressing block is moved by the second automatic telescopic column to press the corner of the packaging bag, two return springs are further arranged between the connecting block and the pressing block and are symmetrically arranged along the central axis of the second automatic telescopic column, the pressure block can be rapidly reset through the reset spring.
The invention has the following beneficial effects:
1. according to the invention, the reinforcing part is arranged on the stay bar, the stay bar is of a structure for expanding the packaging bag, when the stay bar is used for hanging the packaging bag, the packaging bag is expanded, the reinforcing part is provided with the detector, and when the detector detects the packaging bag, the detector drives the first electric telescopic column to retract so that the first electric telescopic column moves the sucker backwards to clamp the packaging bag, so that the packaging bag is reinforced, the packaging bag expanded by the stay bar cannot deviate compared with the sucker, in the production process, when the product is packaged, the product can accurately fall at the central position of the packaging bag, the gravity center of the packaging bag is always at the central position, the seal is parallel in the packaging process, the packaging is more convenient, and the production efficiency is increased.
2. The unfolding rod is arranged to unfold the packaging bags, the unfolding rod can be opened and closed to move, the second electric telescopic column is connected through the connecting spring and provides power, when the unfolding rod extends into the packaging bags, the unfolding rod is unfolded to expand the interior of the packaging bags, then the unfolding rod is closed, the unfolding rod is taken out to unfold the packaging bags, and one unfolding rod is arranged to unfold all the packaging bags.
3. According to the invention, the bag opening assembly is arranged in the bag opening process, the unfolding rod drives the moving block of the slideway to move up and down when being unfolded and closed, so that the unfolding block can flatten folds in the packaging bag caused by bag opening, the inner space of the packaging bag is prevented from being reduced due to the fact that the folds are pressed when products enter the packaging bag, the unfolding force of the unfolding rod is reduced through the connecting spring, the unfolding process is softer, the force is prevented from being larger, and the packaging bag is prevented from being injured.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view showing an overall structure of a bag opening apparatus for an automatic packaging machine for preventing a packaging bag from being damaged according to the present invention;
FIG. 2 is a schematic front view showing the structure of a bag opening apparatus for an automatic packaging machine for preventing breakage of a packaging bag according to the present invention;
FIG. 3 is a schematic view showing an internal structure of a protection box of a bag opening apparatus for an automatic packaging machine for preventing a damage of a packaging bag according to the present invention;
FIG. 4 is a cross-sectional view taken at A-A of FIG. 2 in accordance with the present invention;
FIG. 5 is a cross-sectional view taken at B-B of FIG. 2 in accordance with the present invention;
FIG. 6 is an enlarged view of a portion of the invention at C of FIG. 2;
FIG. 7 is an enlarged view of a portion of FIG. 4 showing the present invention;
FIG. 8 is an enlarged view of a portion of the invention at E in FIG. 4;
FIG. 9 is an enlarged view of a portion of the invention shown in FIG. 5 at F;
FIG. 10 is an enlarged view of a portion of the invention shown at G in FIG. 1.
In the drawings, the components represented by the respective reference numerals are listed below:
110. a work table; 120. a first mounting plate; 130. a second mounting plate; 140. a frame; 150. a protection box; 210. a rotating base; 220. mounting a box; 230. a first automatic telescopic column; 240. a stay bar; 250. a detector; 260. a first electric telescopic column; 270. a suction cup; 280. fixing the rod; 290. a buffer spring; 310. deploying the rod; 320. a connecting spring; 330. a second electric telescopic column; 340. a deployment lever body; 350. a spin column; 360. mounting blocks; 410. a mounting seat; 420. a speed reducer; 430. a drive motor; 440. a rotating shaft; 510. a cylinder; 520. a lifting plate; 530. an air pump; 540. a gas delivery pipe; 550. a gas showerhead; 610. a return spring; 710. fixing a column; 720. connecting blocks; 730. a slider; 740. briquetting; 750. a second automatic telescopic column; 810. an upper connecting seat; 820. a lower connecting seat; 830. a moving block; 840. a transmission spring; 850. and (5) flattening the block.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", "lower", "around", and the like, indicate orientations or positional relationships, are used merely to facilitate the description of the present invention and to simplify the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be taken as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1 to 10, the present invention is a bag opening apparatus for an automatic packaging machine for preventing a packaging bag from being damaged, including a work table 110, the work table 110 is provided with a first mounting plate 120 and a second mounting plate 130 along a central axis thereof, the first mounting plate 120 and the second mounting plate 130 are respectively provided with a frame 140, one of the frames 140 is connected with a bag opening assembly through a lifting assembly, a fixed column 710 is provided below the other frame 140, the work table 110 is provided with a rotating base 210 through a rotating assembly, and the rotating base 210 is provided with a bag opening assembly;
the bag supporting component comprises three mounting boxes 220, first automatic telescopic columns 230, support rods 240 and reinforcing parts, the three mounting boxes 220 are arranged inside the rotating seat 210 and are arranged in a circumferential array mode, two opposite side faces inside each mounting box 220 are respectively provided with one first automatic telescopic column 230, one side of each first automatic telescopic column 230 is respectively provided with one support rod 240, one end, far away from the mounting box 220, of each support rod 240 is provided with the reinforcing part, the first automatic telescopic columns 230 are mounted in the mounting boxes 220, the support rods 240 can be supported towards two sides, and packaging bags are hung between the two support rods 240 of the same mounting box 220 to be supported;
the reinforcing part comprises a detector 250, first electric telescopic columns 260 and suckers 270, one end, far away from the mounting box 220, of each support rod 240 is provided with the detector 250, one first electric telescopic column 260 is arranged inside each detector 250 and electrically connected with the detector 250, the output end of each first electric telescopic column 260 is provided with one sucker 270, a packaging bag on the support rod 240 is detected through the detector 250, the first electric telescopic columns 260 retract, and the suckers 270 clamp the packaging bag backwards to reinforce the packaging bag;
the bag opening assembly comprises an inflating part and four unfolding rods 310, the four unfolding rods 310 are movably arranged below the lifting assembly and are arranged around the inflating part, one side, close to the inflating part, of each unfolding rod 310 is provided with a connecting spring 320, one end, far away from the unfolding rod 310, of each connecting spring 320 is connected with the output end of the second electric telescopic column 330, one end of each unfolding rod 310 is connected with the second electric telescopic column 330 through the connecting spring 320, the second electric telescopic column 330 retracts to enable the connecting springs 320 to unfold, the unfolding rods 310 are slowly unfolded, the opening of a packaging bag is enlarged, and the packaging bag cannot be damaged due to small force;
the auxiliary bag opening assembly is arranged on the unfolding rod 310 and comprises an upper connecting seat 810, a lower connecting seat 820, a moving block 830 and a transmission spring 840, the upper connecting seat 810 is arranged on the lifting plate 520, a slide way is arranged on the unfolding rod 310, the moving block 830 is movably arranged in the slide way, the lower connecting seat 820 is arranged on the moving block 830, the transmission spring 840 is arranged between the lower connecting seat 820 and the upper connecting seat 810, one side, away from the unfolding rod 310, of the moving block 830 is provided with an unfolding block 850, the moving block 830 in the slide way moves through unfolding and closing of the unfolding rod 310, the unfolding block 850 can move up and down, the unfolding block 850 flattens folds in the bag, the auxiliary unfolding rod 310 unfolds the packaging bag to be larger, and the packaging bag can be better bagged in production.
Further, the workbench 110 comprises a table body, bearing columns, bearing feet and connecting rods, wherein four bearing columns are arranged below the table body and are respectively close to one corner of the table body, one bearing foot is arranged below each bearing column, and one connecting rod is arranged between every two bearing columns.
Further, the rotating assembly includes a mounting base 410, a speed reducer 420, a driving motor 430 and a rotating shaft 440, the mounting base 410 is disposed at a central position above the workbench 110, the speed reducer 420 is disposed above the mounting base 410, an input end of the speed reducer 420 is connected to an output end of the driving motor 430, an output end of the speed reducer 420 is provided with the rotating shaft 440, one end of the rotating shaft 440, which is far away from the speed reducer 420, is connected to a lower portion of the rotating base 210, the rotating shaft is rotated by the driving motor 430, and the rotating speed is reduced by the speed reducer 420, so that the rotating base 210 is rotated by the rotating shaft 440.
Further, a protection box 150 is disposed at a central position above the table 110, and the rotating assembly is located inside the protection box 150.
Further, the lifting assembly includes a cylinder 510 and a lifting plate 520, the cylinder 510 is disposed on the top of the frame 140, the lifting plate 520 is disposed at the output end of the cylinder 510, and the lifting plate 520 moves up and down through the cylinder 510.
Further, the inflation portion comprises an air pump 530, an air pipe 540 and an air nozzle 550, the air pump 530 is arranged in the center of the lower portion of the lifting plate 520, the air pipe 540 is arranged at the output end of the air pump 530, the air nozzle 550 is arranged at one end, far away from the air pump 530, of the air pipe 540, air is provided through the air pump 530, the air is input into the packaging bag through the air pipe 540 and the air nozzle 550, and the packaging bag is inflated to expand.
Further, two outer sides of each mounting box 220, which are far away from each other, are respectively provided with a fixing rod 280, and are parallel to the adjacent stay bar 240, a buffer spring 290 is arranged between each fixing rod 280 and the adjacent stay bar 240, and the buffer spring 290 is arranged between the stay bar 240 and the fixing rod 280, so that the buffer spring 290 resets the stay bar 240 when the packing bag is unloaded by the stay bar 240.
Further, the unfolding rod 310 comprises an unfolding rod body 340, rotating columns 350 and mounting blocks 360, wherein one rotating column 350 is movably arranged on each of two sides of each unfolding rod body 340, the mounting block 360 is arranged at one end, far away from the unfolding rod body 340, of each rotating column 350, the eight mounting blocks 360 are arranged on the lifting plate 520, and the supporting rods 240 are rotated through the rotating columns 350.
Further, a bag pressing assembly is arranged below the fixed column 710, the bag pressing assembly comprises two connecting blocks 720, sliding blocks 730, a pressing block 740 and a second automatic telescopic column 750, two connecting blocks 720 are arranged below the fixed column 710 along the central axis of the fixed column in an axial symmetry manner, two sliding grooves are arranged between the two connecting blocks 720 below the fixed column 710, two sliding blocks 730 are movably arranged in each sliding groove, the lower ends of the two sliding blocks 730 are connected with the pressing block 740, the second automatic telescopic column 750 is arranged between the connecting block 720 far away from the rotating base 210 and the pressing block 740, the output end of the second automatic telescopic column 750 is connected with the pressing block 740, one connecting block 720 is arranged on one side of the packaging bag, a corner at the top of the packaging bag supported by the supporting rod 240 is arranged between the pressing block 740 and the connecting block 720, the pressing block 740 is moved by the second automatic telescopic column 750 to press the corner of the packaging bag, two return springs 610 are further arranged between the connecting block 720 and the pressing block 740, and is axially symmetrically arranged along the central axis of the second automatic telescopic column 750, and the pressing block 740 can be rapidly reset through the reset spring 610.
Referring to fig. 1 to 10, the present invention is a bag opening apparatus for an automatic packaging machine for preventing a packaging bag from being damaged, and a method of using the same comprising: when the person uses the packaging bag, the packaging bag is placed between the two support rods 240 of one mounting box 220, the first automatic telescopic column 230 is started to retract, the support rods 240 move towards two sides to stretch the packaging bag, meanwhile, when the detector 250 at the top end of the support rods 240 detects the packaging bag, the first electric telescopic column 260 is promoted to retract, the first electric telescopic column 260 enables the suction cups 270 to move backwards to clamp the packaging bag to reinforce the packaging bag, the driving motor 430 is started, the driving motor 430 rotates, after the speed is reduced through the speed reducer 420, the rotating force is transmitted to the rotating base 210 through the rotating shaft 440, the packaging bag rotates to the position under the bag-stretching assembly, the air cylinder 510 enables the lifting plate 520 to move downwards, the air injection head 550 and the unfolding rod 310 extend into the packaging bag, the air of the air injection head 530 is transmitted to the air injection head 550 through the air pump 540, the air is transmitted to the packaging bag through the air injection head 550, after the packaging bag is inflated, one end of the unfolding rod 310 is moved towards the second electric telescopic column 330 by starting the second electric telescopic column 330 to retract, the other end of the unfolding rod 310 is far away from the second electric telescopic column to move, the packaging bag is unfolded by unfolding, the unfolding rod 310 can drive the moving block 830 of the slideway to move up and down when being unfolded and closed, the unfolding block 850 can flatten wrinkles in the packaging bag caused by opening the bag, the second electric telescopic column 330 extends to retract the unfolding rod 310, the air nozzle 550 and the unfolding rod 310 are retracted by the air cylinder 510, the rotary seat 210 continues to rotate, the bag pressing component is rotated, one connecting block 720 is located on one side of the packaging bag, a top corner of the packaging bag, which is propped up by the bracing rod 240, is arranged between the pressing block 740 and the connecting block 720, and the pressing block 740 is moved by the second automatic telescopic column 750 to press the corner of the packaging bag.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (9)
1. The bag opening equipment for the automatic packaging machine is characterized by comprising a workbench (110), wherein the workbench (110) is symmetrically provided with a first mounting plate (120) and a second mounting plate (130) along the central axis of the workbench (110), the first mounting plate (120) and the second mounting plate (130) are respectively provided with a rack (140), one rack (140) is connected with a bag opening assembly through a lifting assembly, a fixing column (710) is arranged below the other rack (140), the workbench (110) is provided with a rotating seat (210) through a rotating assembly, and a bag opening assembly is arranged in the rotating seat (210);
the bag supporting assembly comprises three mounting boxes (220), three first automatic telescopic columns (230), supporting rods (240) and reinforcing parts, the three mounting boxes (220) are arranged inside a rotating seat (210) and are arranged in a circumferential array manner, two opposite side surfaces inside each mounting box (220) are respectively provided with one first automatic telescopic column (230), one supporting rod (240) is arranged on one side of each first automatic telescopic column (230), and one reinforcing part is arranged at one end, far away from the mounting boxes (220), of each supporting rod (240);
the reinforcing part comprises a detector (250), first electric telescopic columns (260) and suckers (270), one end, far away from the mounting box (220), of each support rod (240) is provided with the detector (250), a first electric telescopic column (260) is arranged inside each detector (250) and is electrically connected with the detector, and one sucker (270) is arranged at the output end of each first electric telescopic column (260);
the bag opening assembly comprises an inflation part and four unfolding rods (310), the four unfolding rods (310) are movably arranged below the lifting assembly and are arranged around the inflation part, one side, close to the inflation part, of each unfolding rod (310) is provided with a connecting spring (320), and one end, far away from the unfolding rod (310), of each connecting spring (320) is connected with the output end of a second electric telescopic column (330);
be equipped with supplementary bag subassembly of opening on exhibition pole (310), supplementary bag subassembly of opening includes connecting seat (810), lower connecting seat (820), movable block (830) and transmission spring (840), go up connecting seat (810) and set up on lifter plate (520), be equipped with the slide on exhibition pole (310), the inside activity of slide is provided with movable block (830), be provided with down connecting seat (820) on movable block (830), be equipped with transmission spring (840) between lower connecting seat (820) and last connecting seat (810), one side that exhibition pole (310) was kept away from in movable block (830) is equipped with exhibition flat block (850).
2. The bag opening device for the automatic packaging machine for preventing the packaging bag from being damaged according to claim 1, wherein the workbench (110) comprises a table body, four bearing columns, bearing feet and a connecting rod, four bearing columns are arranged below the table body and are respectively close to one corner of the table body, one bearing foot is arranged below each bearing column, and one connecting rod is arranged between every two bearing columns.
3. The automatic packaging machine bag opening device for preventing the packaging bag from being damaged according to claim 1, wherein the rotating assembly comprises an installation seat (410), a speed reducer (420), a driving motor (430) and a rotating shaft (440), the installation seat (410) is arranged at a central position above the workbench (110), the speed reducer (420) is arranged above the installation seat (410), an input end of the speed reducer (420) is connected with an output end of the driving motor (430), an output end of the speed reducer (420) is provided with the rotating shaft (440), and one end, far away from the speed reducer (420), of the rotating shaft (440) is connected with the lower portion of the rotating seat (210).
4. The bag opening apparatus for an automatic packaging machine for preventing breakage of a packaging bag according to claim 1, wherein a protection box (150) is provided at a central position above the table (110), and the rotation member is located inside the protection box 150.
5. The bag opening apparatus for the automatic packaging machine for preventing the breakage of the packaging bag according to claim 1, wherein the lifting assembly comprises a cylinder (510) and a lifting plate (520), the cylinder (510) is arranged on the top of the frame (140), and the lifting plate (520) is arranged at the output end of the cylinder (510).
6. The automatic packaging machine bag opening equipment for preventing the packaging bag from being damaged according to claim 5, wherein the inflation part comprises an air pump (530), air conveying pipes (540) and an air nozzle (550), the air pump (530) is arranged at the center position below the lifting plate (520), the air conveying pipes (540) are arranged at the output end of the air pump (530), and the air nozzle (550) is arranged at one end, far away from the air pump (530), of each air conveying pipe (540).
7. The bag opening apparatus for the automatic packaging machine for preventing breakage of the packaging bag according to claim 1, wherein each of the two outer sides of the mounting box (220) away from each other is provided with a fixing rod (280) parallel to the adjacent stay (240), and a buffer spring (290) is provided between each fixing rod (280) and the adjacent stay (240).
8. The bag opening device for the automatic packaging machine for preventing the breakage of the packaging bag according to claim 6, wherein the unfolding rod (310) comprises an unfolding rod body (340), rotating columns (350) and mounting blocks (360), each rotating column (350) is movably arranged on each of two sides of the unfolding rod body (340), one mounting block (360) is arranged at one end, far away from the unfolding rod body (340), of each rotating column (350), and the eight mounting blocks (360) are arranged on the lifting plate (520).
9. The bag opening device for the automatic packaging machine for preventing the packaging bag from being damaged according to claim 1, wherein a bag pressing assembly is arranged below the fixed column (710), the bag pressing assembly comprises connecting blocks (720), sliding blocks (730), a pressing block (740) and a second automatic telescopic column (750), two connecting blocks (720) are arranged below the fixed column (710) along the central axis thereof in an axial symmetry manner, two sliding grooves are arranged between the two connecting blocks (720) below the fixed column (710), two sliding blocks (730) are movably arranged in each sliding groove, the lower ends of the two sliding blocks (730) are connected with the pressing block (740), the second automatic telescopic column (750) is arranged between the connecting block (720) far away from the rotating seat (210) and the pressing block (740), the output end of the second automatic telescopic column (750) is connected with the pressing block (740), and two return springs (610) are further arranged between the connecting block (720) and the pressing block (740), and are arranged axially symmetrically along the central axis of the second automatic telescopic column (750).
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| CN202110972869.2A CN113602592B (en) | 2021-08-24 | 2021-08-24 | Bag opening equipment for automatic packaging machine for preventing packaging bag from being damaged |
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| CN202110972869.2A CN113602592B (en) | 2021-08-24 | 2021-08-24 | Bag opening equipment for automatic packaging machine for preventing packaging bag from being damaged |
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| CN113602592A true CN113602592A (en) | 2021-11-05 |
| CN113602592B CN113602592B (en) | 2022-09-09 |
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| CN113602592B (en) | 2022-09-09 |
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