CN113085262B - Mechanism is made up to hem - Google Patents
Mechanism is made up to hem Download PDFInfo
- Publication number
- CN113085262B CN113085262B CN202110344725.2A CN202110344725A CN113085262B CN 113085262 B CN113085262 B CN 113085262B CN 202110344725 A CN202110344725 A CN 202110344725A CN 113085262 B CN113085262 B CN 113085262B
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- Prior art keywords
- hem
- tensioning
- sewing
- opening
- bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/003—Opening or distending bags
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/26—Folding sheets, blanks or webs
- B31B70/52—Folding sheets, blanks or webs by reciprocating or oscillating members other than plungers and dies, e.g. by fingers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/60—Uniting opposed surfaces or edges; Taping
- B31B70/68—Uniting opposed surfaces or edges; Taping by stitching, stapling or riveting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
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- Sewing Machines And Sewing (AREA)
Abstract
The invention provides a hem sewing mechanism which is used for processing and producing packaging bags. Wherein, tensioning texture sets up in the frame, and tensioning texture is used for strutting the sack of wrapping bag and drives the sack rotatory. The edge folding device is arranged on the frame. The ultrasonic sewing part is arranged on the rack and used for sewing the folded pocket opening. The wrapping bag cover that will wait to carry out the hem to make up is established to the tension structure through the adoption, and the sack is strutted and is rotatory under tension structure's the usefulness, and then the hem device carries out the hem to the sack position of wrapping bag, and the cooperation tension structure carries out the hem with the sack, accomplishes the sack motion of hem and makes up a department to the ultrasonic wave, makes up a portion by the ultrasonic wave and carries out the hem to the hem position, and then makes whole hem to making up the equal automatic completion of process, need not the manual work and operate, and then improves the efficiency of making up of wrapping bag.
Description
Technical Field
The invention relates to the field of packaging bag processing and producing devices, in particular to a folding edge sewing mechanism.
Background
When the double-layer packaging bag is produced, the inner bag and the outer bag are turned inwards for a circle, the outer bag is wrapped on the edge of the inner bag, and then the edges of the inner bag and the outer bag at the turning positions are sewn. When carrying out the hem among the prior art and making up the wrapping bag, adopt artifical manual accomplishing above-mentioned hem action earlier usually, then make up folding edge, but when adopting artificial mode to carry out the hem and making up, need manually keep the hem state, then adopt devices such as sewing machine to make up, this kind of method is owing to need adopt artifical hem, so the production efficiency that leads to the wrapping bag is lower.
Disclosure of Invention
The invention aims to provide a hem sewing mechanism which is used for solving the technical problem of low sewing efficiency caused by manual hem folding when double-layer packaging bags are sewn in the prior art.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a mechanism is made up to hem for the processing production wrapping bag, the mechanism is made up to the hem includes:
a frame;
the tensioning structure is arranged on the rack and used for opening the bag opening of the packaging bag and driving the bag opening to rotate;
the edge folding device is arranged on the frame and used for folding the bag opening on the tensioning structure;
the ultrasonic sewing part is arranged on the rack and used for sewing the folded pocket opening.
In one embodiment, the rack comprises:
two cross beams parallel to each other, the cross beams being used for supporting the tensioning structure, the hemming device and the ultrasonic sewing part;
the mounting plate is arranged on the cross beam;
the two ends of the straight beam are fixed on the mounting plate;
the slide bar, the slide bar set up in on the mounting panel.
In one embodiment, the tension structure includes:
the tensioning wheel part comprises two tensioning wheels, the tensioning wheels are in sliding fit with the sliding rod of the rack through a sliding platform, and the tensioning wheels are fixed on the sliding block in a bearing connection mode;
the first power part is arranged on the sliding platform, a power output end of the first power part is connected with the tensioning wheel, and the first power part is used for driving the tensioning wheel to rotate;
the opening and closing adjusting part is arranged on the rack, the opening and closing adjusting part is connected with the sliding platform in the tensioning wheel part, and the opening and closing adjusting part is used for adjusting the position of the sliding platform and further adjusting the position of the tensioning wheel.
In one embodiment, the opening and closing adjusting part includes:
the adjusting frame is arranged on the rack;
the screw rod is arranged on the adjusting frame in a bearing connection mode;
the sliding block is matched on the screw rod, and when the screw rod rotates, the sliding block slides along the length direction of the screw rod;
the second power part is arranged on the rack, and a power output end of the second power part is connected with the screw rod;
the connecting rod, connecting rod one end with the slider is connected, the other end of connecting rod with sliding platform is connected, the connecting rod with the slider and sliding platform's connected mode is articulated.
In one embodiment, the ultrasonic sewing part is driven by the first power part such that a sewing speed of the ultrasonic sewing part is the same as a rotation speed of the tension pulley part.
In one embodiment, the front end of the tensioning wheel is provided with a chamfer structure, and the chamfer structure is used for enabling the bag opening to be better matched to the tensioning wheel.
In one embodiment, the hemming device includes:
the edge folding cylinder is arranged on the frame;
the flanging plate is arranged at the end part of the piston rod of the flanging cylinder;
the folding block is a concave plate-shaped object and is arranged at the bottom of the folding plate, the folding block acts on the mouth of the bag with the rotary tensioning function, the edge of the mouth of the bag is bent downwards by the folding block, and then the mouth of the bag is folded and folded by the rotary tensioning structure.
In one embodiment, the cross section of the groove of the flanging block is V-shaped, and the inside of the groove of the flanging block is smooth.
One or more technical solutions described above in the embodiments of the present invention have at least the following technical effects or advantages:
the invention provides a hem sewing mechanism which is used for processing and producing packaging bags. Wherein, tensioning texture sets up in the frame, and tensioning texture is used for strutting the sack of wrapping bag and drives the sack rotatory. The hem sets up in the frame for the sack to on the straining structure is folded. The ultrasonic sewing part is arranged on the rack and used for sewing the folded pocket opening. The wrapping bag cover that will wait to carry out the hem to make up is established to the tension structure through the adoption, and the sack is strutted and is rotatory under tension structure's the usefulness, and then the hem device carries out the hem to the sack position of wrapping bag, and the cooperation tension structure carries out the hem with the sack, accomplishes the sack motion of hem and makes up a department to the ultrasonic wave, makes up a portion by the ultrasonic wave and carries out the hem to the hem position, and then makes whole hem to making up the equal automatic completion of process, need not the manual work and operate, and then improves the efficiency of making up of wrapping bag.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described 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 to obtain other drawings without creative efforts.
FIG. 1 is a perspective view of a hem sewing mechanism provided in an embodiment of the invention;
FIG. 2 is a front view of a hem sewing mechanism provided in an embodiment of the invention;
FIG. 3 is a left side view of a hem sewing mechanism provided in an embodiment of the invention;
FIG. 4 is a top view of a hem sewing mechanism provided in an embodiment of the invention;
FIG. 5 is a schematic structural diagram of a hem block provided in an embodiment of the present invention;
FIG. 6 is a schematic view of a hem block hemming a pocket opening.
Wherein the reference numerals are as follows:
1. a frame; 2. a tensioning structure; 3. a flanging device; 4. an ultrasonic sewing part; 5. a bag opening; 11. a cross beam; 12. mounting a plate; 13. a straight beam; 14. a slide bar; 21. a tensioner section; 22. a first power section; 23. an opening and closing adjusting part; 31. a flanging cylinder; 32. a hemming plate; 33. a flanging block; 211. a tension wheel; 212. a sliding platform; 231. an adjusting frame; 232. a screw rod; 233. a slider; 234. a second power section; 235. a connecting rod.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, an embodiment of the present application provides a hemming sewing mechanism for processing and producing packaging bags, and the hemming sewing mechanism includes a frame 1, a tensioning structure 2, a hemming device 3, and an ultrasonic sewing portion 4. Wherein, tensioning texture 2 sets up in frame 1, and tensioning texture 2 is used for opening the sack 5 of wrapping bag and drives sack 5 rotatory. The hem sets up on frame 1 for carry out folding to sack 5 on the straining structure 2. The ultrasonic sewing part 4 is arranged on the frame 1, and the ultrasonic sewing part 4 is used for sewing the folded pocket mouth 5. Will wait to carry out the wrapping bag cover that the hem was made up through the adoption and establish to tensioning texture 2, sack 5 is strutted and rotatory under tensioning texture 2's the use, then hem device 3 carries out the hem to the 5 positions of sack of wrapping bag, cooperation tensioning texture 2, carry out the hem with sack 5, the 5 movements of sack of accomplishing the hem are to ultrasonic wave portion 4 departments of making up, make up portion 4 by the ultrasonic wave and carry out the hem to the hem position, and then make whole hem to making up the equal automatic completion of process, need not the manual work and operate, and then improve the efficiency of making up of wrapping bag.
In one embodiment, the frame 1 comprises two parallel beams 11, a sliding rod 14, a straight beam 13 and a mounting plate 12. Wherein the cross beam 11 is used for supporting the tensioning structure 2, the hemming device and the ultrasonic sewing part 4. The mounting plate 12 is disposed on the cross member 11. The two ends of the straight beam 13 are fixed to the mounting plate 12. The slide 14 is disposed on the mounting plate 12.
In one embodiment, the tensioning structure 2 comprises a tensioning wheel portion 21, a first power portion 22, and an opening and closing adjusting portion 23. The tensioning wheel part 21 comprises two tensioning wheels 211, the tensioning wheels 211 are in sliding fit with the sliding rods 14 of the frame 1 through sliding platforms 212, and the tensioning wheels 211 are fixed on the sliding blocks 233 in a bearing connection mode. The first power unit 22 is disposed on the sliding platform 212, a power output end of the first power unit 22 is connected to the tensioning wheel 211, and the first power unit 22 is configured to drive the tensioning wheel 211 to rotate. The opening and closing adjusting part 23 is arranged on the frame 1, the opening and closing adjusting part 23 is connected with the sliding platform 212 in the tensioning wheel part 21, and the opening and closing adjusting part 23 is used for adjusting the position of the sliding platform 212 and further adjusting the position of the tensioning wheel 211. The bag opening 5 is sleeved on the two tensioning wheels 211, and when the distance between the two tensioning wheels 211 is changed, the tensioning state of the bag opening 5 is changed accordingly.
In one embodiment, the opening and closing adjusting part 23 includes an adjusting frame 231, a lead screw 232, a slider 233, a second power part 234, and a connecting rod 235. Wherein, the adjusting frame 231 is disposed on the frame 1. The lead screw 232 is disposed on the adjusting frame 231 in a manner of bearing connection. The slider 233 is engaged with the lead screw 232, and when the lead screw 232 rotates, the slider 233 slides along the length direction of the lead screw 232. The second power portion 234 is disposed on the frame 1, and a power output end of the second power portion 234 is connected to the screw rod 232. One end of the connecting rod 235 is connected with the sliding block 233, the other end of the connecting rod 235 is connected with the sliding platform 212, and the connecting rod 235 is hinged to the sliding block 233 and the sliding platform 212. When the bag opening 5 needs to be expanded and tightened, the second power part 234 (a motor and other devices) rotates to enable the screw rod 232 to rotate along with the screw rod, the slider 233 on the screw rod 232 slides upwards along with the screw rod, the lower end of the connecting rod 235 moves upwards under the action of the slider 233, the sliding platform 212 connected with the other end of the connecting rod 235 slides towards the edge, the tensioning wheel 211 on the sliding platform 212 moves towards the edge, the distance between the two tensioning wheels 211 is increased, and the bag opening 5 sleeved on the tensioning wheel 211 is expanded and tightened. When the bag opening 5 needs to be loosened from the tensioning wheels 211, the second power part 234 is controlled to rotate in the direction opposite to the rotating direction, so that the distance between the two tensioning wheels 211 is reduced, the bag opening 5 is loosened, and the bag opening 5 can be detached from the tensioning wheels 211.
In one embodiment, the ultrasonic sewing portion 4 is driven by the first power portion 22 such that the sewing speed of the ultrasonic sewing portion 4 is the same as the rotation speed of the tension roller portion 21. Further, the movement speed of the bag mouth 5 is the same as the sewing speed of the ultrasonic sewing part 4, so that the bag mouth is matched with the work of the ultrasonic sewing part 4.
In one embodiment, the front end of the tensioning wheel 211 is provided with a chamfered structure for better fitting of the pocket 5 onto the tensioning wheel 211. Through set up chamfer portion at the front end of take-up pulley 211 for when needs cooperate the sack 5 to take-up pulley 211 on, because there is the existence of chamfer structure, make the easier cooperation of sack 5 to take-up pulley 211.
In one embodiment, the hemming device 3 includes a hemming block 33, a hemming plate 32, and a hemming cylinder 31. Wherein, the hemming cylinder 31 is arranged on the frame 1. The hemming plate 32 is provided at the end of the piston rod of the hemming cylinder 31. The edge folding block 33 is a concave plate-shaped object, the edge folding block 33 is arranged at the bottom of the edge folding plate 32, the edge folding block 33 acts on the tensioning rotary bag mouth 5, the edge of the bag mouth 5 is bent downwards by the edge folding block 33, and then the bag mouth 5 is folded and folded under the rotation matching of the tensioning structure 2. When hemming is required, the bag mouth 5 is fitted to the tensioning wheel 211 in advance and is in a tight rotation state. The hemming cylinder 31 is then pushed forward, pushing the hemming plate 32 out towards the position of the bag opening 5, so that the hemming block 33 at the bottom of the hemming plate 32 is also moved towards the position of the bag opening 5, and then the concave structure of the hemming block 33 acts on the bag opening 5, so that the bag opening 5 is folded. And the bag mouth 5 section after the edge folding is finished enters the ultrasonic sewing part 4 immediately for sewing, and then the sewing is finished.
Referring to fig. 5 and 6, in one embodiment, the cross section of the groove of the hemming block 33 is V-shaped, and the inside of the groove of the hemming block 33 is smooth. Fig. 5 is a schematic view of the structure of the hemming block 33, and fig. 6 is a schematic view of the hemming process. In an initial state (such as the leftmost state in fig. 6), a certain distance exists between the bag opening 5 and the hemming block 33, when the hemming cylinder 31 pushes the hemming plate 32, and the hemming plate 32 drives the hemming block 33 to move toward the bag opening 5, the bag opening 5 contacts with the groove surface of the hemming block 33 and bends (such as the middle state in fig. 6), so that the bag opening 5 bends downward, and then the hemming block 33 further moves toward the position of the bag opening 5, so that the bag opening 5 is bent continuously along the groove of the hemming block 33 (such as the rightmost state in fig. 6), and further the bag opening 5 is hemmed.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a mechanism is made up to hem for processing production wrapping bag, its characterized in that, the mechanism is made up to the hem includes:
a frame;
the tensioning structure is arranged on the rack and used for opening the bag opening of the packaging bag and driving the bag opening to rotate;
the edge folding device is arranged on the frame and used for folding the bag opening on the tensioning structure;
the ultrasonic sewing part is arranged on the rack and used for sewing the folded pocket opening;
the hemming device includes:
the edge folding cylinder is arranged on the rack;
the flanging plate is arranged at the end part of the piston rod of the flanging cylinder;
the edge folding block is a concave plate-shaped object, is arranged at the bottom of the edge folding plate, acts on the mouth of the bag which is tensioned and rotated, enables the edge of the mouth of the bag to be bent downwards, and then completes the folding and folding of the mouth of the bag under the rotation matching of the tensioning structure;
the section of the groove of the flanging block is V-shaped, and the inside of the groove of the flanging block is a smooth surface;
the opening degree of the groove on the folding edge block gradually decreases from one end far away from the ultrasonic sewing part to one end close to the ultrasonic sewing part.
2. A hemming sewing mechanism according to claim 1 wherein the frame includes:
two cross beams parallel to each other, the cross beams being used for supporting the tensioning structure, the hemming device and the ultrasonic sewing part;
the mounting plate is arranged on the cross beam;
the two ends of the straight beam are fixed on the mounting plate;
the slide bar, the slide bar set up in on the mounting panel.
3. A hemming sewing mechanism according to claim 1 wherein the tensioning arrangement includes:
the tensioning wheel part comprises two tensioning wheels, the tensioning wheels are in sliding fit with the sliding rod of the rack through a sliding platform, and the tensioning wheels are fixed on the sliding block in a bearing connection mode;
the first power part is arranged on the sliding platform, a power output end of the first power part is connected with the tensioning wheel, and the first power part is used for driving the tensioning wheel to rotate;
the opening and closing adjusting part is arranged on the rack, the opening and closing adjusting part is connected with the sliding platform in the tensioning wheel part, and the opening and closing adjusting part is used for adjusting the position of the sliding platform and further adjusting the position of the tensioning wheel.
4. A hemming sewing mechanism according to claim 3, wherein the opening/closing adjusting portion includes:
the adjusting frame is arranged on the rack;
the screw rod is arranged on the adjusting frame in a bearing connection mode;
the sliding block is matched on the screw rod, and when the screw rod rotates, the sliding block slides along the length direction of the screw rod;
the second power part is arranged on the rack, and a power output end of the second power part is connected with the screw rod;
the connecting rod, connecting rod one end with the slider is connected, the other end of connecting rod with sliding platform is connected, the connecting rod with the slider and sliding platform's connected mode is articulated.
5. A hemming sewing mechanism according to claim 3, wherein:
the ultrasonic sewing part is driven by the first power part, so that the sewing speed of the ultrasonic sewing part is the same as the rotating speed of the tensioning wheel part.
6. A hemming sewing mechanism according to claim 3, wherein:
the front end of take-up pulley is provided with the chamfer structure, the chamfer structure is used for making the better cooperation of sack extremely on the take-up pulley.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110344725.2A CN113085262B (en) | 2021-03-29 | 2021-03-29 | Mechanism is made up to hem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110344725.2A CN113085262B (en) | 2021-03-29 | 2021-03-29 | Mechanism is made up to hem |
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| Publication Number | Publication Date |
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| CN113085262A CN113085262A (en) | 2021-07-09 |
| CN113085262B true CN113085262B (en) | 2023-04-07 |
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| CN202110344725.2A Active CN113085262B (en) | 2021-03-29 | 2021-03-29 | Mechanism is made up to hem |
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| CN (1) | CN113085262B (en) |
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| CN113085262A (en) | 2021-07-09 |
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