CN110282189B - Pre-film feeding mechanism in packaging machine - Google Patents
Pre-film feeding mechanism in packaging machine Download PDFInfo
- Publication number
- CN110282189B CN110282189B CN201910485058.2A CN201910485058A CN110282189B CN 110282189 B CN110282189 B CN 110282189B CN 201910485058 A CN201910485058 A CN 201910485058A CN 110282189 B CN110282189 B CN 110282189B
- Authority
- CN
- China
- Prior art keywords
- film
- roller
- upper film
- rotating shaft
- proximity sensor
- Prior art date
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Links
- 238000004806 packaging method and process Methods 0.000 title abstract description 11
- 238000001514 detection method Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 239000012528 membrane Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000012858 packaging process Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
- B65B41/00—Supplying or feeding container-forming sheets or wrapping material
- B65B41/12—Feeding webs from rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
- B65H23/192—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web motor-controlled
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Basic Packing Technique (AREA)
Abstract
The invention discloses a film pre-feeding mechanism in a packaging machine, a rotating shaft is supported on a frame above an upper film roller, connecting rods are respectively fixed at the shaft ends of two sides of the rotating shaft, film pressing rollers which are wound between the upper film guiding rollers are supported at the outer end parts of the two connecting rods in a downward pressing mode, a limiting stop lever which is used for the corresponding connecting rods to be supported by is arranged on the frame below the connecting rods, the film pressing rollers always have the trend of pressing the film to rotate downwards around the rotating shaft until the connecting rods are supported by the limiting stop lever under the action of dead weight, a detection disc is fixedly sleeved at the shaft end of one side of the rotating shaft, a gap is arranged at the outer edge of the detection disc, a proximity sensor is arranged on the frame at the gap, the proximity sensor is connected with an upper film guiding roller driving motor in a signal mode, a film pulling roller is arranged between two adjacent upper film guiding rollers, and the film pulling roller is driven by a translation cylinder to translate to pull the film wound between the upper film guiding rollers. The invention has the advantage of high working efficiency.
Description
Technical Field
The invention relates to the technical field of high-speed packaging equipment, in particular to a film pre-feeding mechanism in a packaging machine.
Background
A packaging machine is a machine for film-pressing packaging of packages. The whole packaging process of the packaging machine is as follows: stacking, film covering and sealing, shaping and shrinking, labeling and collecting. The process of envelope sealing and cutting is completed by an envelope sealing and cutting device, and the structure of the envelope sealing and cutting device currently used comprises: the frame has set gradually the package platform and the membrane package platform of pushing away of ability accept the packing thing along packing thing direction of delivery in the frame, is provided with between the output of pushing away package platform and the input of membrane package platform and seals and cut the mechanism, seals and cuts the mechanism and seal the cutter and constitute by the seal that corresponds the setting from top to bottom, is provided with the cover membrane mechanism at the input of pushing away package platform, the structure of cover membrane mechanism includes: the pushing device comprises a pushing cylinder arranged on a frame at the input end side of a pushing platform, wherein the pushing cylinder is used for pushing a package placed on the pushing platform to the film packaging platform, an upper film roller and a lower film roller which are movably supported in the frame below the pushing cylinder and are distributed in parallel up and down, the upper film roller and the lower film roller are respectively driven to rotate by independent motors, film rolls are fixedly sleeved on the upper film roller and the lower film roller, a plurality of upper film guide rollers are movably supported in the frame at the upper side of the pushing platform, a plurality of lower film guide rollers are movably supported in the frame at the lower side of the pushing platform, film heads of the upper film rolls sequentially bypass each upper film guide roller, and are connected with film heads of the lower film rolls after downwards bypassing each lower film guide roller from a gap between a sealing and cutting mechanism and the pushing platform, and when the pushing cylinder pushes the package from the pushing platform to a film Bao Ping by the sealing and cutting mechanism, the package can move forward against a stretched film to complete film sleeving. The currently used mantle sealing and cutting device has the following defects: when the packages are packages with too light weight, such as mails, the mails are easily tilted and deformed in the process that the pushing cylinder pushes the mails to move forward against the tightening film, so that the packages are failed to be covered, and the working efficiency is affected.
Disclosure of Invention
The invention aims to provide a film pre-feeding mechanism in a packaging machine, which can pre-relax films before wrapping the films on packages.
In order to achieve the above purpose, the invention adopts the following technical scheme: a rotating shaft is movably supported on a frame above an upper film roller, connecting rods are respectively fixed at shaft ends of two sides of the rotating shaft, a film pressing roller is supported at outer end parts of the two connecting rods, films wound between the upper film guiding rollers are pressed downwards by the film pressing rollers, a limiting stop lever for the corresponding connecting rods to be lapped is arranged on the frame below the connecting rods, the film pressing rollers always have a trend of pressing the films to rotate downwards around the rotating shaft until the connecting rods thereof are lapped on the limiting stop lever under the action of dead weight, a detection disc is fixedly sleeved at one shaft end of the rotating shaft, a gap is formed at the outer edge of the detection disc, a proximity sensor is arranged on the frame at the gap, the proximity sensor is connected with an upper film guiding roller driving motor in a signal mode, a film pulling roller is arranged between the two adjacent upper film guiding rollers in the signal mode, the film pulling roller is driven to translate by a translation cylinder, when the translation cylinder drives the film pulling roller to pull the films, the films synchronously drive the film pressing rollers and the detection disc to rotate, when the detection disc rotates around the rotating shaft until the rotating shaft and the connecting rods to the connecting rods are lapped on the limiting stop lever, a detection disc is fixedly sleeved on one side of the shaft, a detection disc is provided with a gap, a signal sensor is arranged on the outer edge of the detection disc, the detection disc is close to the film sensor is driven to the upper film guiding roller, and the film is released, and the film is driven to rotate, and the film is positioned on the film roller after the film roller, and the signal sensor is released, and the film roller is positioned.
Through implementation of the technical scheme, the invention has the beneficial effects that: before the pushing cylinder pushes the package out of the pushing platform for film covering, the film between the upper film roller and the lower film roller can be loosened in advance, so that the package with excessive light weight is effectively prevented from tilting and deforming in the process of moving forward against the film, the film covering and sealing can be smoothly carried out, and the working efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a film pre-feeding mechanism in a packaging machine according to the present invention.
Fig. 2 is an enlarged schematic view of the H site shown in fig. 1.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
As shown in fig. 1 and 2, a rotating shaft 3 is movably supported on a frame 2 above an upper film roller 1, two shaft ends of the rotating shaft 3 are respectively fixed with a connecting rod 4, the outer end parts of the two connecting rods 4 are supported with a film pressing roller 5, the film pressing roller 5 downwards presses a film 8 wound between a first upper film guiding roller 6 and a second upper film guiding roller 7, a limit stop lever 9 for the corresponding connecting rod 1 to be supported is arranged on the frame 1 below the connecting rod 4, the film pressing roller 5 always has a tendency of downwards rotating the film 8 around the rotating shaft 3 until the connecting rod 4 is supported on the limit stop lever 9 under the action of dead weight, a detection disc 10 is fixedly sleeved at one shaft end of the rotating shaft 3, a gap 101 is arranged at the outer edge of the detection disc 10, a proximity sensor 11 is arranged on the frame 1 corresponding to the gap 101, the proximity sensor 11 is in signal connection with the upper film roll driving motor 12, a film pulling roll 15 is arranged between the third upper film guide roll 13 and the fourth upper film guide roll 14, the film pulling roll 15 is driven to translate by a translation air cylinder 16 to pull the film 8 wound between the third upper film guide roll 13 and the fourth upper film guide roll 14, when the translation air cylinder 16 drives the film pulling roll 15 to pull the film 8, the film pressing roll 5, the rotating shaft 3 and the detection disc 10 are synchronously driven to rotate, when the detection disc 10 rotates to the gap 101 and misplacement of the proximity sensor 11, the proximity sensor 11 senses the detection disc 10, at the moment, the proximity sensor 11 sends a film releasing signal to the upper film roll driving motor 12, and the upper film roll driving motor 12 receives the film releasing signal and then controls the upper film roll 1 to rotate to release a section of film, so that the film 8 between the upper film roll 1 and the lower film roll 17 is released; in this embodiment, the specific mounting structure between the link 4 and the rotating shaft 3 is: the shaft body of the rotating shaft 3 is provided with a radial through hole which radially penetrates through the rotating shaft and is used for the connecting rod to pass through, the rotating shaft 3 is also provided with a radial threaded hole which is communicated with the radial through hole, the radial threaded hole is internally and spirally connected with a jacking bolt, and when the jacking bolt is screwed inwards, the jacking bolt can jack and fix the connecting rod on the rotating shaft 3;
the working principle of the invention is as follows:
Before the pushing cylinder 18 pushes the package out of the pushing platform 19 for film sleeving, the translation cylinder 16 drives the film pulling roller 15 to move forward, the film 8 wound between the third upper film guiding roller 13 and the fourth upper film guiding roller 14 is synchronously pulled to move forward when the film pulling roller 15 moves forward, the length of the film 8 wound between the third upper film guiding roller 13 and the fourth upper film guiding roller 14 is continuously increased along with the continuous forward movement of the film pulling roller 15, the length of the film 8 wound between the first upper film guiding roller 6 and the second upper film guiding roller 7 is continuously reduced, the film pressing roller 5, the rotating shaft 3 and the detecting disc 10 are synchronously driven to rotate along with the continuous reduction of the length of the film 8 wound between the first upper film guiding roller 6 and the second upper film guiding roller 7, when the detection disc 10 rotates to the gap 101 and the proximity sensor 11 are misplaced, the proximity sensor 11 senses the detection disc 10, at the moment, the proximity sensor 11 can send a film releasing signal to the upper film roller driving motor 12, the upper film roller driving motor 12 can control the upper film roller 1 to rotate to release a section of film after receiving the film releasing signal, so that the film 8 between the upper film roller 1 and the lower film roller 17 is loosened, then the pushing cylinder 18 pushes a package out of the package pushing platform 19 to conduct film covering, and at the moment, the film 8 between the upper film roller 1 and the lower film roller 17 is not tight but is in a loose state, so that the package with too light weight can be kept to be horizontally placed against the film to smoothly pass through the sealing and cutting mechanism, the package with too light weight is prevented from tilting and deforming in the process of moving forward against the film, the package can be smoothly covered, and the work efficiency is improved.
The beneficial effects of the invention are as follows: before the pushing cylinder pushes the package out of the pushing platform for film covering, the film between the upper film roller and the lower film roller can be loosened in advance, so that the package with excessive light weight is effectively prevented from tilting and deforming in the process of moving forward against the film, the film covering and sealing can be smoothly carried out, and the working efficiency is improved.
Claims (1)
1. Film feeding mechanism in packagine machine in advance, its characterized in that: a rotating shaft is movably supported on a frame above an upper film roller, two shaft ends of the rotating shaft are respectively fixed with a connecting rod, the outer end parts of the two connecting rods are respectively supported with a film pressing roller, the film pressing rollers downwards press films wound between the upper film guiding rollers, a limiting stop lever for the corresponding connecting rods to be lapped is arranged on the frame below the connecting rods, the film pressing rollers always have the trend of pressing the films to rotate downwards around the rotating shaft until the connecting rods thereof are lapped on the limiting stop lever under the action of dead weight, a detection disc is fixedly sleeved at one shaft end of the rotating shaft, a gap is arranged at the outer edge of the detection disc, a proximity sensor is arranged on the frame at the gap, the proximity sensor is connected with an upper film roller driving motor in a signal manner, a film pulling roller is arranged between two adjacent upper film guiding rollers, the film pulling rollers are driven to horizontally move by a translation cylinder, when the film pulling roller is driven by the translation cylinder to pull the films, the film pressing rollers, the rotating shafts and the detection disc are synchronously driven by the translation cylinder, when the detection disc rotates to the gap and the proximity sensor, the proximity sensor sends signals to the upper film driving roller signals to the film feeding the films, and then the film driving roller and the film driving roller release signals to the film driving roller, and the film releasing roller driving roller and the film driving roller release film driving roller; the concrete mounting structure between connecting rod and pivot is: the shaft body of the rotating shaft is provided with a radial through hole which radially penetrates through the rotating shaft and is used for the connecting rod to pass through, the rotating shaft is also provided with a radial threaded hole which is communicated with the radial through hole, the radial threaded hole is internally and spirally connected with a jacking bolt, and when the jacking bolt is screwed inwards, the jacking bolt can jack and fix the connecting rod on the rotating shaft;
Before pushing the package out of the pushing platform by the pushing cylinder to sleeve the film, the translation cylinder drives the film pulling roller to move forward, the film wound between the third upper film guiding roller and the fourth upper film guiding roller is synchronously pulled to move forward when the film pulling roller moves forward, the length of the film wound between the third upper film guiding roller and the fourth upper film guiding roller is continuously increased along with the continuous forward movement of the film pulling roller, the length of the film wound between the first upper film guiding roller and the second upper film guiding roller is continuously reduced, the film wound between the first upper film guiding roller and the second upper film guiding roller is synchronously driven to rotate along with the continuous reduction of the length of the film wound between the first upper film guiding roller and the second upper film guiding roller, the rotating shaft and the detecting disc, when the detection disc rotates to the gap and the dislocation of the proximity sensor, the proximity sensor senses the detection disc, at the moment, the proximity sensor sends a film releasing signal to the upper film roller driving motor, the upper film roller driving motor receives the film releasing signal and then controls the upper film roller to rotate to release a section of film, so that the film between the upper film roller and the lower film roller is loosened, and then the pushing cylinder pushes the package out of the pushing platform to cover the film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910485058.2A CN110282189B (en) | 2019-06-05 | 2019-06-05 | Pre-film feeding mechanism in packaging machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910485058.2A CN110282189B (en) | 2019-06-05 | 2019-06-05 | Pre-film feeding mechanism in packaging machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110282189A CN110282189A (en) | 2019-09-27 |
| CN110282189B true CN110282189B (en) | 2024-07-16 |
Family
ID=68003139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910485058.2A Active CN110282189B (en) | 2019-06-05 | 2019-06-05 | Pre-film feeding mechanism in packaging machine |
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| Country | Link |
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| CN (1) | CN110282189B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111137499B (en) * | 2020-01-03 | 2021-07-16 | 合肥龙智机电科技有限公司 | Double-layer film covering unit for steel composite plate blank |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210364595U (en) * | 2019-06-05 | 2020-04-21 | 张家港汉旗自动化设备有限公司 | Film pre-feeding mechanism in packaging machine |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105692282A (en) * | 2016-03-31 | 2016-06-22 | 上海龙腾科技股份有限公司 | Non-stop film changing mechanism for blister packing machine and working method for same |
| CN208264672U (en) * | 2018-03-29 | 2018-12-21 | 浙江赛峰机械科技有限公司 | A kind of inner membrance of intelligent packaging all-in-one machine puts film and shaping mechanism |
| CN109455553B (en) * | 2018-11-16 | 2024-03-29 | 浙江耀阳新材料科技有限公司 | Film segmentation compresses tightly transport mechanism |
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- 2019-06-05 CN CN201910485058.2A patent/CN110282189B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN210364595U (en) * | 2019-06-05 | 2020-04-21 | 张家港汉旗自动化设备有限公司 | Film pre-feeding mechanism in packaging machine |
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| Publication number | Publication date |
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| CN110282189A (en) | 2019-09-27 |
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