CN210477958U - Bottom edge folding equipment for packaging bag - Google Patents
Bottom edge folding equipment for packaging bag Download PDFInfo
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- CN210477958U CN210477958U CN201921119214.5U CN201921119214U CN210477958U CN 210477958 U CN210477958 U CN 210477958U CN 201921119214 U CN201921119214 U CN 201921119214U CN 210477958 U CN210477958 U CN 210477958U
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Abstract
The utility model relates to a wrapping bag makes technical field, especially relates to wrapping bag base folding equipment, including the conveyor who is used for carrying the wrapping bag, follows conveyor's direction of delivery is equipped with opening device, hem device and dog-ear device in advance in proper order. The application provides a wrapping bag bottom edge folding equipment realizes opening process, hem process, dog-ear process, the process of flattening in advance of wrapping bag through the operation of running-water type, and degree of automation is high, and the processingquality of wrapping bag is stable, efficient.
Description
[ technical field ] A method for producing a semiconductor device
The application relates to the technical field of packaging bag manufacturing, in particular to packaging bag bottom edge folding equipment.
[ background of the invention ]
The manufacturing process of the woven packaging bag comprises wire drawing, circular weaving, film covering, punching, printing, cutting, folding, sewing, packaging and the like, for example, fig. 7 is a schematic view of the packaging bag 100 after a cutting process, after the cutting, a cut mark 10, an inward folding part 20 and a folded angle part 30 are formed on the semi-finished product 100 of the packaging bag, the packaging bag is of a thin film structure with an upper layer and a lower layer, the inward folding part 20 comprises an upper inward folding part and a lower inward folding part, the inward folding of the semi-finished product 100 of the packaging bag along the cut marks 10 arranged at intervals is realized in the folding process, and the folded angle part 30 is folded inwards by 45 degrees to strengthen the bottom strength of the packaging bag after the sewing.
At present, in the folding process of the packaging bag, the upper inward-folding part and the lower inward-folding part of the upper layer and the lower layer of the packaging bag are pushed into the packaging bag manually and then are sewed by a sewing machine, so that the efficiency is low and the product quality is unstable.
[ summary of the invention ]
In order to solve the technical problem, an object of the application is to provide a packaging bag bottom edge folding device, which realizes the pre-opening process, the edge folding process, the corner folding process and the flattening process of a packaging bag through running-water type operation, and has the advantages of high automation degree, stable processing quality of the packaging bag and high efficiency.
The application is realized by the following technical scheme:
the packaging bag bottom edge folding equipment comprises a conveying device for conveying packaging bags, and a pre-opening device, an opening device, a folding device and a corner folding device are sequentially arranged along the conveying direction of the conveying device;
the pre-opening device comprises an upper pulling mechanism and a lower pulling mechanism, the upper pulling mechanism and the lower pulling mechanism can be relatively close to or far away from each other, and the opposite surfaces of the upper pulling mechanism and the lower pulling mechanism can respectively move in opposite horizontal directions to rub the opening of the packaging bag open;
the opening device comprises an upper sucking mechanism and a lower sucking mechanism which are arranged oppositely up and down, the upper sucking mechanism and the lower sucking mechanism can be relatively close to or far away from each other along the up-down direction, and the upper sucking mechanism and the lower sucking mechanism respectively suck the upper outer surface and the lower outer surface of the packaging bag and open the bottom edge of the packaging bag when the upper sucking mechanism and the lower sucking mechanism are relatively far away from each other;
the edge folding device comprises an upper edge folding piece and a lower edge folding piece which can be opened or closed relatively, an opening and closing driving device for driving the upper edge folding piece and the lower edge folding piece to be opened or closed relatively, and a pushing driving device for driving the upper edge folding piece and the lower edge folding piece to move back and forth towards the conveying device, so that the upper edge folding piece and the lower edge folding piece can extend into the bottom edge of the opened packaging bag;
the dog-ear device comprises a dog-ear piece and a dog-ear driving device, the dog-ear driving device drives the dog-ear piece to move back and forth along the direction of the conveying device, and the moving direction of the dog-ear piece and the conveying direction of the conveying device form a first preset included angle.
The bottom edge folding device for the packaging bag comprises a bag conveying belt and a support frame positioned above the bag conveying belt, wherein the front end of the support frame is provided with a front clutch pressing wheel set and a front driving cylinder, and the front clutch pressing wheel set is hinged to the telescopic end of the front driving cylinder so that the front driving cylinder drives the front clutch pressing wheel set to downwards press the upper surface of the bag conveying belt;
the support frame is also provided with a compression leg which is opposite to the bag conveying belt from top to bottom and a compression leg cylinder which drives the compression leg to press downwards, and the lower end of the compression leg is provided with a plurality of rolling rollers.
According to the packaging bag bottom edge folding equipment, the upper pulling mechanism is the upper pulling roller, the lower pulling mechanism is the lower pulling roller which is opposite to the rotation direction of the upper pulling roller, and rubber layers cover the surfaces of the upper pulling roller and the lower pulling roller.
According to the folding equipment for the bottom edge of the packaging bag, the upper sucking mechanism comprises the lifting cylinder and the upper sucking disc arranged at the telescopic end of the lifting cylinder, and the lower sucking mechanism comprises the lower lifting cylinder and the lower sucking disc arranged at the telescopic end of the lower lifting cylinder.
According to the packaging bag bottom edge folding device, the opening and closing driving device drives the upper folding piece and the lower folding piece to gradually open in the moving process towards the conveying device and gradually close in the retracting process.
According to the bottom edge folding device for the packaging bag, the moving direction of the upper folding piece and the lower folding piece forms an included angle of 60-120 degrees with the moving direction of the corner piece.
The packaging bag bottom edge folding equipment is characterized in that the upper folding piece is provided with a flat edge and bevel edges arranged on two sides of the flat edge, the bevel edges are in a horn shape gradually enlarged from the flat edge to the opening and closing driving device, and the lower folding piece is consistent with the upper folding piece in shape.
According to the bottom edge folding device for the packaging bag, the folded corner piece is provided with the vertical edge of the top bag and the transverse edge of the top bag which are perpendicular to each other.
As above wrapping bag base folding equipment, still including being located the flattening device at dog-ear device rear, flattening device drives actuating cylinder and back separation and reunion pinch roller group including flattening the support frame, back, it erects to flatten the support frame conveyor top, it fixes to drive the actuating cylinder after, it articulates on flattening the support frame, back separation and reunion pinch roller group drives actuating cylinder after and serves to make back drive actuating cylinder drive back separation and reunion pinch roller group pushes down conveyor upper surface.
Compared with the prior art, the method has the following advantages:
1. the bottom edge folding equipment for the packaging bag realizes the pre-opening process, the edge folding process, the corner folding process and the flattening process of the packaging bag through running-water type operation, the automation degree is high, and the processing quality and the efficiency of the packaging bag are stable and high.
2. The pre-opening device can separate the upper layer and the lower layer of the opening at the bottom of the packaging bag in advance, so that the subsequent edge folding process can be smoothly carried out.
3. The opening device realizes the operation of the opening process by utilizing the sucking disc, basically does not lose the packaging bag, and has quick and reliable action.
4. More specifically, the moving direction of the upper folding piece and the lower folding piece and the moving direction of the angle folding piece form an included angle of 60-120 degrees, so that the arrangement of the folding device and the angle folding device is more reasonable, and the interference is avoided.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a package bag bottom sealing and stacking apparatus according to an embodiment of the present disclosure;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
fig. 4 and 5 are schematic structural views of the packaging bag stacking device at two different angles according to the embodiment of the present application;
FIG. 6 is an enlarged view of section C of FIG. 4;
fig. 7 is a schematic view of a semi-finished packaging bag after the cutting process according to the embodiment of the present application.
[ detailed description ] embodiments
In order to make the technical problems, technical solutions and advantageous effects solved by the present application more clear and obvious, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
As shown in fig. 1 to 6, the present application provides a bottom sealing and stacking apparatus for packaging bags, which includes a conveying device 1 for conveying packaging bags, and a pre-opening device 2, an opening device 3, a folding device 4, a folding device 5, a flattening device 6, a sewing device 7 and a packaging bag stacking device 8 are sequentially arranged along a conveying direction of the conveying device 1, and respectively correspond to a pre-opening process, an opening process, a folding process, a flattening process, a sewing process and a stacking process.
The conveying device 1 comprises a bag conveying belt 11 and a support frame 12 positioned above the bag conveying belt 11, wherein a front clutch pressure wheel set 121 and a front driving cylinder 122 are arranged at the front end of the support frame 12, the front clutch pressure wheel set 121 is hinged to the telescopic end of the front driving cylinder 122, so that the front driving cylinder 122 drives the front clutch pressure wheel set 121 to downwards press the upper surface of the bag conveying belt 11; the support frame 12 is further provided with a pressing column 123 vertically opposite to the bag conveying belt 11 and a pressing column cylinder 124 for driving the pressing column 123 to press downwards, and the lower end of the pressing column 123 is provided with a plurality of rolling rollers. Send bag conveyer belt 11 to be many belt synchronous conveyor belt that the interval set up side by side, the placing of other equipment can be convenient for in its interval department, adopt the mode of intermittent type start, in operation, will push down through preceding separation and reunion pressure wheelset 121 on sending bag conveyer belt 11 with the wrapping bag, the wrapping bag tiling input is sent on the bag conveyer belt 11, when the synchronous start-up that the cooperation pressure post 123 cooperation sent bag conveyer belt 11 pushes down in step, the gyro wheel on the pressure post 123 compresses tightly the wrapping bag with sending bag conveyer belt 11 and carries out intermittent type formula transport, in order to send the wrapping bag to each process in proper order and process. So that the conveying process of the packaging bags is orderly, smooth and controllable.
Because the packaging bag is composed of double-layer films, the upper layer and the lower layer are easy to adhere, the following edge folding process is influenced to be smoothly carried out, and the problem can be solved through the pre-opening device 2. The pre-opening device 2 comprises an upper pulling mechanism 21 and a lower pulling mechanism 22, the upper pulling mechanism 21 and the lower pulling mechanism 22 can be relatively close to or far away from each other, in this embodiment, the upper pulling mechanism 21 is close to or far away from the lower pulling mechanism 22, and the opposite surfaces of the upper pulling mechanism 21 and the lower pulling mechanism 22 can respectively move in opposite horizontal directions to open the opening of the packaging bag; specifically, the upper shifting mechanism 21 is an upper shifting roller, the lower shifting mechanism 22 is a lower shifting roller with the rotation direction opposite to that of the upper shifting roller, and rubber layers are covered on the surfaces of the upper shifting roller and the lower shifting roller. Of course, the upper stirring roller and the lower stirring roller can be respectively arranged in a plurality of rows. 2 departments of pre-opening device are equipped with the layer board that is used for the bearing wrapping bag, dial the cylinder protrusion in the upper surface of this layer board a little down, in operation, this layer board department is transported to the wrapping bag, upward dial cylinder downstream to supporting the upper surface of pressing the wrapping bag opening part, at this moment, dial the cylinder down and support the lower surface of pressing the wrapping bag opening part, trigger through devices such as pressure sensor or travel switch and dial the cylinder and dial next action of cylinder down on, move towards opposite direction respectively promptly, for example, it rotates clockwise to dial the cylinder on, dial cylinder anticlockwise rotation down, dial cylinder and wrapping bag upper surface on, dial cylinder and wrapping bag lower surface down under the effect of the friction force opposite respectively, can separate upper and lower two-layer in advance of wrapping bag bottom opening part, be convenient for going on smoothly of follow-up hem process.
The folding device 4 comprises an upper folding sheet 41 and a lower folding sheet 42 which can be opened or closed relatively, an opening and closing driving device 43 which drives the upper folding sheet 41 and the lower folding sheet 42 to be opened or closed relatively, and a pushing driving device 44 which drives the upper folding sheet 41 and the lower folding sheet 42 to move back and forth towards the conveying device 1. The opening and closing driving device 43 is an air cylinder with a telescopic end connected with the upper folding edge sheet 41, and the propelling device 44 is an air cylinder with a telescopic end connected with the opening and closing driving device 43 and the lower folding edge sheet 42.
During operation, under the effect of preceding process, the wrapping bag base is opened, and the last inflection portion of wrapping bag hangs down under the action of gravity, opening device 3 one side is equipped with the device of blowing, and the air-blower for example can upwards blow the upwarp with the lower inflection portion of wrapping bag, then go up hem piece 41 with lower hem piece 42 stretches into the in-process of the open wrapping bag base, will go up the inflection portion and push into in the wrapping bag with lower inflection portion, accomplishes the hem process after reseing.
Specifically, the opening and closing driving device 43 drives the upper folding blade 41 and the lower folding blade 42 to gradually open during the movement toward the conveying device 1 and gradually close during the retraction. The success rate of the edge folding process is high, and the edge folding process is more reliable and smooth.
More specifically, the upper folding piece 41 has a flat edge and oblique edges disposed on both sides of the flat edge, the oblique edges are in a horn shape gradually enlarged from the flat edge to the opening and closing driving device 43, and the lower folding piece 42 is identical to the upper folding piece 41 in shape. The opening aperture of the flat edge is smaller than that of the packaging bag, and the flat edge can more accurately stretch into the bottom edge of the packaging bag and stretch the bottom edge by matching with the horn-shaped upper folding piece structure and the horn-shaped lower folding piece structure.
The angle folding device 5 comprises an angle folding sheet 51 and an angle folding driving device 52, the angle folding driving device 52 drives the angle folding sheet 51 to move back and forth towards the conveying device 1, and the moving direction of the angle folding sheet 51 and the conveying direction of the conveying device 1 form a first preset included angle of 30-60 degrees, preferably 45 degrees. Specifically, the bevel driving device 52 is a cylinder with a telescopic end connected with the bevel sheet 51, and the bevel sheet 51 has a vertical top bag edge and a horizontal top bag edge that are perpendicular to each other. When the folding angle machine works, the bottom edge of the packaging bag is opened in the previous process, the folding angle piece 51 is pushed towards the folding angle part of the packaging bag to form a folding angle of 45 degrees, the folding angle is used for filling materials after sewing, and the strength of the filling position of the packaging bag can be enhanced through the folding angle process.
More specifically, the direction of movement of the upper and lower gussets 41 and 42 forms an angle of 60 ° to 120 °, preferably 90 °, with the direction of movement of the gusset 51. This technical scheme can make hem device 4 and dog-ear device 5 arrange more rationally, avoids causing the interference.
Flattening device 6 is located 5 backs of dog-ear device, flattening device 6 drives actuating cylinder 62 and back clutch pinch roller set 63 including flattening support frame 61, back, flattening support frame 61 erects conveyor 1 top, back drives actuating cylinder 62 and fixes on flattening support frame 61, back clutch pinch roller set 63 articulates drive actuating cylinder 62's flexible serving after, so that back drive actuating cylinder 62 drives back clutch pinch roller set 63 pushes down conveyor 1 upper surface. When the packaging bag folding and corner folding device works, the rear clutch pressing wheel set 63 moves downwards in the process that the packaging bag passes through the flattening device 6, the bottom edge of the packaging bag which passes through the folding and corner folding processes is flattened, and the processing of the subsequent processes is facilitated.
The pre-opening device 2, the opening device 3, the edge folding device 4, the angle folding device 5 and the flattening device 6 form packaging bag bottom edge folding equipment together. The bottom edge folding equipment for the packaging bag realizes the pre-opening process, the edge folding process, the corner folding process and the flattening process of the packaging bag through running-water type operation, the automation degree is high, and the processing quality and the efficiency of the packaging bag are stable and high.
The sewing device 7 comprises a hemming mechanism 71 and a sewing mechanism 72, the hemming mechanism 71 is gradually turned up along the conveying direction of the conveying device 1 to form a hemming groove, and the rear part of the hemming mechanism 71 is connected with a sewing part of the sewing mechanism 72. Specifically, the sewing mechanism 72 is an automatic sewing machine, and when the packaging bag passes through the sewing device 7, the bottom edge portion of the packaging bag is turned up along the hemming mechanism 71 and then turned down to form a turned-up edge, and then the sewing of the bottom edge of the packaging bag is completed through the sewing mechanism 72.
The packaging bag stacking device comprises a tail end mounting rack 80, a stacking rotating roller 81 arranged on the tail end mounting rack 80 and a rotating roller driving device for driving the stacking rotating roller 81 to rotate, wherein the rotating roller driving device is a driving motor; the stacking rotating roller 81 is provided with a bag clamping mechanism 82 for clamping packaging bags, and a stacking circulating conveying belt 83 is arranged below the stacking rotating roller 81.
During operation, wrapping bag transports to pile commentaries on classics roller 81 department from the process, press from both sides bag mechanism 82 from top centre gripping wrapping bag one side back, follow pile commentaries on classics roller 81 upset to the below and loosen the wrapping bag makes the wrapping bag stacks on the pile endless conveyor belt 83, and works as the wrapping bag stacks to predetermineeing quantity after, the wrapping bag that pile endless conveyor belt 83 will stack is carried backward. Specifically, the stacking endless belt 83 conveys the stacked packaging bags backward by a distance of at least one width of the packaging bag. To form a plurality of stacked packages for subsequent further packaging.
The packaging bag stacking device adopts a rotating and overturning stacking mode, automatic and rapid stacking of packaging bags is realized, and the automation degree is high.
Correspondingly, the terminal installation rack 80 is provided with a packaging bag guide plate 801 obliquely arranged, the lower end of the guide plate 801 is provided with a clamping gap 8012, and the bag clamping mechanism 82 is located in the clamping gap 8012. By the guide conveyance of the packaging bag guide plate 801, the packaging bag can more accurately reach the clamping position of the bag clamping mechanism 82.
Preferably, the end mounting frame 80 is provided with a suspension rod 802 positioned on the upper portion of the packaging bag guiding plate 801, and the suspension rod 802 is provided with a flat disc 803. When the packaging bag is conveyed from the previous process, the packaging bag passes through the leveling disc 803, enters the packaging bag guide plate 801 obliquely below under the guidance of the arc-shaped edge of the leveling disc 803, and the packaging bag guide plate is simple in structure, easy to manufacture and good in leveling and guiding effects.
In this embodiment, the package bag guiding plate 801 is provided with a sensing hole 8011, and a photoelectric sensor capable of detecting the in-place state of the package bag through the sensing hole 8011 is arranged below the sensing hole 8011. When the information that the packaging bag is guided in place is detected, the information can be used for the hair-touching bag mechanism 82 and the stacking roller 81 to act to complete the stacking operation, and in addition, a counter can be arranged at the sensing hole for counting.
Wrapping bag pile device is still including being located the buffering strip 804 of wrapping bag deflector 801 top, buffering strip 804 one end is fixed on the hanging rod 802, the other end to press from both sides bag mechanism 82 and extend, and follow extending direction buffering strip 804 with distance between the wrapping bag deflector 801 diminishes gradually. Through buffering strip 804, can restrict the flatly spread on wrapping bag deflector 801 with the wrapping bag in transportation process, prevent that the wrapping bag from shifting even falling out wrapping bag deflector 801 under the effect of other external force such as wind.
The stacking roller 81 is fixed with a mounting plate 811 on the side of the bag clamping mechanism 82, and part of the outer periphery of the mounting plate 811 is an arc edge for abutting against the packaging bag when turning over. The degree of deformation of the packing bag can be reduced.
Preferably, a leveling pressing block 8110 is arranged on one side of the mounting plate 811, and the leveling pressing block 8110 can be turned to the lower side along with the stacking rotating roller 81 and pressed downward. Specifically, the leveling pressing block 8110 is L-shaped, one end of which is used for being fixed on the mounting plate 811, and the other end of which is used for pressing the packaging bag during turning, so as to press and compact the stacked packaging bag.
In this embodiment, the bag clamping mechanism 82 includes a movable clamping head 821, a fixed clamping head 822, and a clamping driving mechanism 823 connected to the movable clamping head 821, where the movable clamping head 821 is hinged to the fixed clamping head 822, so that the clamping driving mechanism 823 drives the movable clamping head 821 to clamp or open relative to the fixed clamping head 822 when rotating.
Further, the clamping driving mechanism 823 comprises a linkage shaft 8231, a cam 8232, a toggle sleeve 8233, a toggle block 8234 and a toggle rod driving cylinder 8235; the movable chuck 821 is fixed on the linkage shaft 8231 so that the linkage shaft 8231 drives the movable chuck 821 to rotate, one end of a poking and rotating block 8234 is connected with the linkage shaft 8231 to drive the linkage shaft 8231 to rotate, the other end of the poking and rotating block 8234 is a free end, the cam 8232 is sleeved on the linkage shaft 8231, a concave portion 232a and an arc portion 232b are arranged on the cam 8232, a poking and rotating spring is further arranged at one end, connected with the linkage shaft 8231, of the poking and rotating block 8234, so that the free end of the poking and rotating block 8234 is tightly attached to the concave portion 232a and the arc portion 232b when the cam 8232 rotates, one end of a poking and rotating sleeve 8233 is connected with the cam 8232, and the other end of the poking and the telescopic end of the poking and rotating cylinder 8235 are hinged. The movable chuck 821 can be provided with a plurality of chucks, and linkage clamping is realized when the linkage shaft 8231 rotates.
The during operation, driving lever driving cylinder 8235 drives dial cover 8233 rotates, drives cam 8232 rotates, makes dial piece 8234's free end dial spring effect and fall into down take place the swing during concave part 232a, drive universal driving shaft 8231 rotates, drives simultaneously move chuck 821 rotate with decide chuck 822 clamp the wrapping bag, then pile commentaries on classics roller 81 drives the centre gripping the wrapping bag move chuck 821 with decide chuck 822 and rotate to the below after, dial piece 8234's free end is driven and is reset to circular arc portion 232b, thereby drive it is relative to move chuck 821 decide chuck 822 to open.
The clamping driving mechanism 823 is used for driving the movable clamping head 821 and the fixed clamping head 822 to clamp the packaging bag and realize overturning stacking, and is high in stacking efficiency and high in automation degree.
It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present application. Furthermore, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the disclosure to the particular forms disclosed. Similar or identical methods, structures, etc. as used herein, or several technical inferences or substitutions made on the concept of the present application should be considered as the scope of the present application.
Claims (9)
1. Wrapping bag base folding apparatus, including conveyor (1) that is used for carrying the wrapping bag, follow the direction of delivery of conveyor (1) is equipped with opening device (2), opening device (3), hem device (4) and dog-ear device (5) in advance in proper order, its characterized in that:
the pre-opening device (2) comprises an upper pulling mechanism (21) and a lower pulling mechanism (22), the upper pulling mechanism (21) and the lower pulling mechanism (22) can be relatively close to or far away from each other, and the opposite surfaces of the upper pulling mechanism (21) and the lower pulling mechanism (22) can respectively move in opposite horizontal directions to rub the opening of the packaging bag open;
the opening device (3) comprises an upper holding mechanism (31) and a lower holding mechanism (32) which are oppositely arranged up and down, the upper holding mechanism (31) and the lower holding mechanism (32) can be relatively close to or far away from each other along the up-down direction, and the upper holding mechanism (31) and the lower holding mechanism (32) respectively hold the upper outer surface and the lower outer surface of the packaging bag and open the bottom edge of the packaging bag when the upper outer surface and the lower outer surface are relatively far away from each other;
the folding device (4) comprises an upper folding piece (41) and a lower folding piece (42) which can be opened or closed relatively, an opening and closing driving device which drives the upper folding piece (41) and the lower folding piece (42) to be opened or closed relatively, and a pushing and driving device which drives the upper folding piece (41) and the lower folding piece (42) to move back and forth towards the conveying device (1), so that the upper folding piece (41) and the lower folding piece (42) extend into the bottom edge of the opened packaging bag;
dog-ear device (5) are including dog-ear piece (51) and dog-ear drive arrangement (52), dog-ear drive arrangement (52) drive dog-ear piece (51) are toward conveyor (1) direction round trip movement, just the direction of motion of dog-ear piece (51) with conveyor (1)'s direction of transportation forms first predetermined contained angle.
2. The bottom edge folding device for the packaging bags according to claim 1, wherein the conveying device (1) comprises a bag conveying belt (11) and a supporting frame (12) positioned above the bag conveying belt (11), a front clutch pressure wheel set (121) and a front driving cylinder (122) are arranged at the front end of the supporting frame (12), the front clutch pressure wheel set (121) is hinged to the telescopic end of the front driving cylinder (122), so that the front driving cylinder (122) drives the front clutch pressure wheel set (121) to press downwards on the upper surface of the bag conveying belt (11);
the support frame (12) is also provided with a compression leg (123) which is opposite to the bag-feeding conveying belt (11) up and down and a compression leg cylinder (124) which drives the compression leg (123) to be pressed downwards, and the lower end of the compression leg (123) is provided with a plurality of rolling rollers.
3. The bottom edge folding device for the packaging bag is characterized in that the upper pulling mechanism (21) is an upper pulling roller, the lower pulling mechanism (22) is a lower pulling roller which rotates in the opposite direction to the upper pulling roller, and the surfaces of the upper pulling roller and the lower pulling roller are covered with rubber layers.
4. The bottom edge folding device for the packaging bag is characterized in that the upper holding mechanism (31) comprises a lifting cylinder and an upper sucker arranged at the telescopic end of the lifting cylinder, and the lower holding mechanism (32) comprises a lower lifting cylinder and a lower sucker arranged at the telescopic end of the lower lifting cylinder.
5. The bottom edge folding apparatus for packaging bags according to claim 1, characterized in that the opening and closing drive means drives the upper folding blade (41) and the lower folding blade (42) to gradually open during the movement towards the conveying means (1) and to gradually close during the retraction.
6. Bottom edge folding apparatus for pouches according to claim 1, characterized by the fact that the direction of movement of the upper and lower gusset (41, 42) forms an angle of 60 ° to 120 ° with the direction of movement of the gusset (51).
7. The bottom edge folding apparatus for packing bags according to claim 1, wherein the upper folding piece (41) has a flat edge and inclined edges disposed at both sides of the flat edge, the inclined edges are in a horn shape gradually enlarged from the flat edge to the opening and closing driving device (43), and the lower folding piece (42) is identical to the upper folding piece (41) in shape.
8. The apparatus for folding bottom edges of packaging bags according to claim 1, characterized in that the gusset (51) has a top vertical edge and a top transverse edge perpendicular to each other.
9. The bottom edge folding device for the packaging bags according to any one of claims 1 to 8, further comprising a flattening device (6) located behind the corner folding device (5), wherein the flattening device (6) comprises a flattening support frame (61), a rear driving cylinder (62) and a rear clutch pressure wheel set (63), the flattening support frame (61) is erected above the conveying device (1), the rear driving cylinder (62) is fixed on the flattening support frame (61), and the rear clutch pressure wheel set (63) is hinged on the telescopic end of the rear driving cylinder (62), so that the rear driving cylinder (62) drives the rear clutch pressure wheel set (63) to downwards press on the upper surface of the conveying device (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921119214.5U CN210477958U (en) | 2019-07-16 | 2019-07-16 | Bottom edge folding equipment for packaging bag |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921119214.5U CN210477958U (en) | 2019-07-16 | 2019-07-16 | Bottom edge folding equipment for packaging bag |
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| CN210477958U true CN210477958U (en) | 2020-05-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246541A (en) * | 2021-04-21 | 2021-08-13 | 安徽工程大学 | Woven bag corner folding and edge pressing machine and operation method thereof |
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2019
- 2019-07-16 CN CN201921119214.5U patent/CN210477958U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113246541A (en) * | 2021-04-21 | 2021-08-13 | 安徽工程大学 | Woven bag corner folding and edge pressing machine and operation method thereof |
| CN113246541B (en) * | 2021-04-21 | 2022-12-09 | 安徽工程大学 | Woven bag corner folding and edge pressing machine and operation method thereof |
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