The specific embodiment
Below by the specific embodiment, by reference to the accompanying drawings the utility model is described in further detail.
Embodiment mono-
Please refer to Fig. 2, the present embodiment provides a kind of packaging bag, this packaging bag comprises the first horizontal involution limit 101 and the second horizontal involution limit 102 that forms the packaging bag transverse opening, also comprise to the inflection 103 of amounting in the packaging bag bag, the first slight point in horizontal involution limit 101 is encapsulated on the second horizontal involution limit 102, and the formation point seals a piece 105 on the first horizontal involution limit 101 and the second horizontal involution limit 102, the point envelope piece 105 and the first horizontal involution limit 101 that are positioned on the first horizontal involution limit 101 are not overlapping near the transverse edge of opening part, it is not overlapping that the institute formed on the first horizontal involution limit 101 seals a little the transverse edge of the close opening part of piece 105 and the first horizontal involution limit, there is certain distance, for minimum 12mm, inflection 103 is the transverse edge setting near opening part along the first horizontal involution limit 101, and between the first horizontal involution limit 101 and the second horizontal involution limit 102, inflection 103 does not overlap with some envelope piece 105, the two ends corresponding end of inflection 103 is enclosed between the first 101De two ends, horizontal involution limit and the second 102De two ends, horizontal involution limit, and at the horizontal involution edge with the second horizontal involution limit 102, a relative side also is provided with and holds limit 104.Wherein, when packaging bag is carried out to slight some envelope, some envelope piece 105 can be regular shape, and is evenly distributed on the first horizontal involution limit 101 and the second horizontal involution limit 102, as shown in Figure 2.
In this embodiment, the high 100mm that is approximately of bag of packaging bag, bag is wide in 150mm, during middle envelope, the width of the some envelope piece 105 that slight some envelope place forms is approximately 6 ~ 7mm, limit 104 length of holding that arrange at 102 places, the second horizontal involution limit are approximately 35 ~ 45mm, and inflection 103 width minimums are 5mm, and the nearest level interval minimum of inflection 103 and the first 101De joint, horizontal involution limit range points envelope piece 105 is 12mm.
The packaging bag provided in the present embodiment, due to when middle envelope is carried out in the first horizontal involution limit 101 and the second horizontal involution limit 102, adopt slight some envelope mode, and the first horizontal involution limit 101 is with the inflection 103 of amounting in oriented bag, make packaging bag very convenient when opening, and the probability of the packaging bag breakage while taking packed article that reduces to open the package, and the paper scrap in packaging bag falls into the risk of packed article.
Embodiment bis-
The present embodiment provides a kind of wrapping machine, and the structural representation of this wrapping machine please refer to shown in Fig. 5.Wrapping machine comprises: end sealing mechanism 201, bag making device 202, middle seal apparatus 203, side pressure device 204 and both sides paper feeding belt 210, end sealing mechanism 201 is for to the packaging bag two ends, be about to the first horizontal involution limit 101, envelope is held respectively at inflection 103 and the second 102De two ends, horizontal involution limit, the first 101De two ends, horizontal involution limit corresponding end is enclosed on the second 102De two ends, horizontal involution limit, the two ends corresponding end of inflection 103 is enclosed between the first 101De two ends, horizontal involution limit and the second 102De two ends, horizontal involution limit, bag making device 202 is made the isolated packing bag with inflection 103 for the envelope paper by smooth, middle seal apparatus 203 carries out slight some envelope for the first horizontal involution limit 101 to packaging bag and the second horizontal involution limit 102, side pressure device 204 is for exerting pressure to packaging bag, with the Bas Discharged by packaging bag, make packaging bag more attractive in appearance, both sides paper feeding belt 210 is held envelope for packaging bag being moved to end sealing mechanism 201.Side pressure device 204 is positioned at the upstream of end sealing mechanism 201, bag making device 202 is arranged on the upstream of side pressure device 204, middle seal apparatus 203 is arranged between side pressure device 204 and end sealing mechanism 201, both sides paper feeding belt 210 is arranged between bag making device 202 and end sealing mechanism 201, and is positioned at the side of bag making device 202.
Further, please refer to Fig. 6 and Fig. 7, the perspective view that Fig. 6 is bag making device 202, the right TV structure schematic diagram that Fig. 7 is bag making device 202.Bag making device 202 comprises the paper bag moulding square tube 2021 that is the cuboid tubulose and for making smooth envelope paper form the paper bag folder 2022 with inflection 103 isolated packing bags, paper bag folder 2022 is arranged on the upstream of side pressure device 204, the paper bag moulding square tube 2021 of cuboid tubulose runs through paper bag folder 2022 to end sealing mechanism 201 places, both sides paper feeding belt 210 is arranged on the side of the paper bag moulding square tube 2021 between paper bag folder 2022 and side pressure device 204, middle seal apparatus 203 is arranged between side pressure device 204 and end sealing mechanism 201, and be positioned at the paper bag moulding square tube 2021 that is the cuboid tubulose directly over locate.The V-shaped collar shape of this paper bag folder 2022, comprise the first folding means 20221 and the second folding means 20222, the first folding means 20221 sheet that is rectangle, the second folding means 20222 is the cuboid tubulose, the second folding means 20222 that is the cuboid tubulose has the first relative mouth of pipe and second mouth of pipe, thereon on surface, the direction that runs through from first mouth of pipe along paper bag moulding square tube 2021 is provided with V shape breach 20223, V shape breach 20223 its V word openings are towards first mouth of pipe, the end of V shape breach 20223 is communicated with clip slot 20224, clip slot 20224 is along second mouth of pipe that direction extends to the second folding means 20222 that runs through of paper bag moulding square tube 2021, and clip slot 20224 is superimposed together along two faces of its bearing of trend, the first folding means 20221 joins along first mouth of pipe and V shape breach 20223 and the second folding means 20222, the paper bag moulding square tube 2021 of cuboid tubulose runs through described the second folding means 20222, envelope paper closely pastes and is being on the first folding means 20221 of cuboid sheet.Wherein, the first folding means 20221 is oblong soft alloy sheet, and it has two sides 2026 and 2027, and in dual- side 2026 and 2027, one of them side can make smooth envelope paper 2025 form inflection 103 under the effect of roller bearing 2023.Here, the side 2026 of take describes as example, 2024 is paper roll, under the drive of both sides paper feeding belt 210, what envelope paper 2025 was smooth pastes on the first folding means 20221, and to the second folding means 20222 direction motions, envelope paper 2025 moves to roller bearing 2023 places, roller bearing 2023 rolls, make envelope paper 2025 be close to one side of side 2026 folded along clockwise direction, make envelope paper 2025 form the inflection 103 that minimum width is 5mm, envelope paper 2025 with inflection 103 is sent to the second folding means 20222 places by both sides paper feeding belt 210, afterwards, envelope paper 2025 enters clip slot 20224 along V shape breach 20223, in running through on direction of clip slot 20224, because joining, clip slot 20224 and side 2026 simultaneously be superimposed on another side, thereby, envelope paper 2025 is superimposed on another side with a side of inflection 103, like this, smooth envelope paper 2025 just is folded into the packaging bag of stereo hollow structure, to form the packaging bag of solid with inflection 103, wherein, envelope paper 2025 is folded in the top of the another side of not being with inflection with one side of inflection 103 by the second folding means 20222.Certainly, it will be understood by those skilled in the art that, also can be according to above-mentioned same principle, make one side near side 2027 on envelope paper 2025 form inflection 103, now, folding direction should be anticlockwise direction, and one side of envelope paper 2025 close sides 2026 will no longer form inflection 103, envelope paper 2025 with inflection 103 is sent to the second folding means 20222 places by both sides paper feeding belt 210, afterwards, envelope paper 2025 enters clip slot 20224 along V shape breach 20223, in running through on direction of clip slot 20224, now, clip slot 20224 be arranged to side 2027 join the one side superimposition with 2026 one sides of joining on, like this, envelope paper 2025 is just superimposed on another side near a side of 2027 with a side of inflection 103.
Further, please refer to Fig. 5, both sides paper feeding belt 210 has two groups at least, at least two group both sides paper feeding belt 210 symmetries are arranged on the both sides of paper bag moulding square tube 2021, and the sense of motion of two groups of both sides paper feeding belts 210 is contrary, but kinematic velocity must be consistent, in Fig. 5, for the packaging bag that makes spatial structure is moved to end sealing mechanism 201 directions, the rotation direction of the both sides paper feeding belt 210 in paper bag moulding square tube 2021 left sides is anticlockwise direction, the rotation direction of the both sides paper feeding belt 210 of opposite side is clockwise direction, the kinematic velocity of these two groups symmetrically arranged both sides paper feeding belts 210 is consistent.Please refer to Fig. 9, plan structure schematic diagram for both sides paper feeding belt 210, the actuating device (actuating device is not shown in Fig. 9) that both sides paper feeding belt 210 comprises runner group 2101 and drives runner group 2101 to rotate, actuating device is electrically connected to runner group 2101, runner group 2101 is done circumferentially to rotate under the drive of actuating device, wherein, runner group 2101 comprises at least one runner, when runner group 2101 comprises two above runners, these two above runners should be identical, and for actuating device, can utilize prior art, to realize that it drives runner group 2101 and makes the purpose of circumferentially rotating.
Further, please refer to Fig. 8, structural representation for middle seal apparatus 203, middle seal apparatus 203 comprises cylindrical support 2034, frame 2032 and some envelope parts 2031, point envelope parts 2031 are rectangular-shaped while be fixedly mounted on frame 2032,2032 of frames are fixedly mounted on telescopic strut member 2034, and strut member 2034, when vertical direction is made fore and aft motion, can drive frame 2032 and some envelope parts 2031 up-and-down movement vertically simultaneously.Be rectangular-shaped some envelope parts 2031 on the one side of cuboid tubulose paper bag moulding square tube 2021, also be provided with the some envelope projection 2033 of regular shape, this some envelope projection 2033 is square or rectangular-shaped, point envelope projection 2033 evenly is arranged on an envelope parts 2031 on the one side of the paper bag moulding square tube 2021 of cuboid tubulose along the direction that runs through of paper bag moulding square tube 2021, and some envelope projection 2033 face widths over against paper bag moulding square tube 2021 are about 6 ~ 7mm, to form the some envelope width that is approximately 6 ~ 7mm on the first horizontal involution limit 10 in packaging bag and the second horizontal involution limit 102.Wherein, shape and the number of some envelope projection 2033 are not done concrete restriction, and its shape can also be other shapes, and as parallel four limit bodies, cylinder etc., number can be at least one.
Further, for the packed article 206 that needs are packed is accurately located, the generation of not fixing due to packed article 206 positions while avoiding packing packed article 206 and producing the compressing tablet situation at end Feng Shiyi, this wrapping machine also comprises barrier units 207 and pusher 208, refer to Figure 10 and 11, barrier units 207 comprises plate washer 2071, the first cylinder 2072 and the second cylinder 2073, the clutch end interlock of plate washer 2071 and the first cylinder 2072, the clutch end interlock of the first cylinder 2072 and the second cylinder 2073, plate washer 2071 is mobile packed article 206 under the driving of the first cylinder 2072 and the second cylinder 2073, be implemented as follows: press down → first cylinder 2072 retraction the → the second cylinders 2073 of stretch out forward → the second cylinder 2073 of the first cylinder 2072 rise, complete the position that packed article 206 is moved on to relative envelope paper suitable width, as the A place in Fig. 5, pusher 208 comprises push rod 2081 and cuts somebody's hair 2082, cut somebody's hair 2082 and push rod 2081 all be strip, 2082 tops that are arranged on the push rod 2081 that is strip of cutting somebody's hair that are strip, the two is vertical, push rod 2081 and cut somebody's hair and 2082 through cuboid tubulose paper bag moulding square tube 2021, push the position of packed articles 206 to the appropriate length of being packed before end sealing mechanism 201, as the B place in Fig. 5, in order to make the medical material of the more stable propelling movement of push rod 2081, pusher 208 also comprises guide rail 2083, guide rail 2083 can be installed along the direction that runs through of paper bag moulding square tube 2021, push rod 2081 is movably connected on guide rail 2083, so that under the guiding of guide rail 2083, cut somebody's hair and 2082 can push packed articles 206 to end sealing mechanism 201 places along cuboid tubulose paper bag moulding square tube 2021, as the B place in Fig. 5, the function specific implementation of this pusher 208 is as follows: push rod 2081 and the 2082 use servomotors of cutting somebody's hair drive with belt, guide rail 2083 steadily leads, push rod 2081 and 2082 the propelling movement distance of cutting somebody's hair are adjustable, pushing distance is arranged according to the packing requirements of the packed article 206 of different size, setting is undertaken by the servo realization of touch-screen+PLC+, its implementation also can be utilized prior art.
Below, introduce the principle of work of wrapping machine in this embodiment.
Envelope paper is transferred on the paper bag folder 2022 of collar shape, cylinder 2023 makes smooth envelope paper 2025 closely paste on the first folding means 20221 and forms inflection 103, under the drive of both sides paper feeding belt 210, envelope paper 2025 with inflection 103 is transferred into the second folding means 20222, the second folding means 20222 inwardly turns down the both sides of envelope paper 2025, wherein with a side of inflection 103, turned down above not with the opposite side of inflection 103, to form the hollow three-dimensional structure and with the packaging bag of inflection 103.Referring to Fig. 6, envelope paper 2025 twists on paper roll 2024, spool 2023 makes the both sides of envelope paper 2025 be clamped and form inflection 103 by paper bag folder 2022 both sides 2026 and 2027, to reach, makes smooth envelope paper 2025 form the purpose of the packaging bag of hollow three-dimensional structure after bag making device 202.Wherein, on envelope paper with a side of inflection 103 together with inflection 103 by turnover above not with the opposite side of inflection 103, form three layers, be followed successively by from top to bottom the first horizontal involution limit 101, inflection 103 and the second horizontal involution limit 102, specifically can be referring to Fig. 2, under the effect of the paper bag moulding square tube 2021 of cuboid tubulose, the packaging bag of hollow three-dimensional structure forms stable cuboid hollow structure packaging bag, by both sides paper feeding belt 210, driven, the packaging bag of cuboid hollow structure is moved to end sealing mechanism 201 places, successively through side pressure device 204 and middle seal apparatus 203, arrive end sealing mechanism 201 places, envelope is held at 201 pairs of packaging bag two ends of end sealing mechanism, be about to the first horizontal involution limit 101, inflection 103 and the second 102De two ends, horizontal involution limit correspondence are held envelope, the first 101De two ends, horizontal involution limit corresponding end is enclosed on the second 102De two ends, horizontal involution limit, the two ends corresponding end of inflection 103 is enclosed between the first 101De two ends, horizontal involution limit and the second 102De two ends, horizontal involution limit.Pressure device 204 pairs of packaging bags in side are pressurizeed, to get rid of the air in it, make packaging bag more smooth attractive in appearance, the point envelope parts 2031 of middle seal apparatus 203 move to packaging bag from frame 2032 and need to slightly put envelope, carry out slight hot-pressing point envelope by the 2033 pairs of packaging bags of some envelope projection on an envelope parts 2031, the first horizontal involution limit 101 of packaging bag is enclosed on the second horizontal involution limit 102 by slight point.
In envelope paper is carried out to above-mentioned treating process, the packed article 206 that need be packed is transferred into plate washer 2071 places through belt conveyor 205, plate washer 2071 promotes packed article 206, make packed article 206 be pushed to the width place that relative envelope paper is suitable, as the A place in Fig. 5, afterwards, push rod 2081 is under the directional tagging of guide rail 2083, stably push packed article 206 and arrive through elongated tubular paper bag moulding square tube 2021 position that the front relative packaging bags of end sealing mechanism 201 is of convenient length, as the B place in Fig. 5, wherein, speed and the pushed speed to end sealing mechanism 201 of packed article 206 that packaging bag is transferred into before end sealing mechanism 201 can be different, the packaging bag of the cuboid hollow structure of being honored as a queen in quilt and the packed article 206 of Qi Nei pass through end sealing mechanism 201 simultaneously, by end sealing mechanism 201, envelope is held in its two ends, so far, packed article 206 finished products after packaged bag packing are discharged through the finished conveying device 209 in end sealing mechanism 201 downstreams.
Wrapping machine in this embodiment, the packaging bag band inflection 103 of making, and adopt the some seal apparatus to carry out an envelope to the first horizontal involution limit 101 and the second horizontal involution limit 102 of packaging bag, make packaging bag convenient when opening, and the probability of the packaging bag breakage while taking packed article 206 that reduces to open the package, and the paper scrap in packaging bag falls into the risk of packed article 206.In wrapping machine, barrier units 207 and pusher 208 have also been increased, the position of the packed article 206 during with fixing and packaging, for guaranteeing the stability of packed article 206 positions, at first be to adopt plate washer 2071 that packed article 206 is moved on to the width place that relative envelope paper is suitable, adopt again pusher 208, packed article 206 is pushed to separately to the suitable position of relative envelope paper package length successively, like this, when involution is carried out in the packaging bag of effectively having avoided installing packed article 206, packed article 206 is enclosed in the generation of the situation on the involution limit.Simultaneously, because the propelling movement distance of pusher 208 can be regulated according to the specification of packaged packed article 206, make this wrapping machine to be packed the packed article 206 of multiple different size, there is stronger applicability.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace.