CN112829310A - Ultrasonic welding pressure adjusting process for heat-seal molding of ultrasonic special-shaped bag - Google Patents
Ultrasonic welding pressure adjusting process for heat-seal molding of ultrasonic special-shaped bag Download PDFInfo
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- CN112829310A CN112829310A CN202011548965.6A CN202011548965A CN112829310A CN 112829310 A CN112829310 A CN 112829310A CN 202011548965 A CN202011548965 A CN 202011548965A CN 112829310 A CN112829310 A CN 112829310A
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- rod
- ultrasonic
- block
- special
- shaped bag
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
Abstract
The invention relates to the technical field of ultrasonic welding, and discloses an ultrasonic welding pressure adjusting device for heat-seal molding of an ultrasonic special-shaped bag. This ultrasonic wave dysmorphism bag heat-seal molding ultrasonic bonding pressure adjusts technology, it descends to drive the briquetting through the depression bar decline, the briquetting drives the slide bar decline, the slide bar drives the gyro wheel decline, rotate under the effect of frictional force when the gyro wheel descends, the gyro wheel rotates and drives the swing claw swing, the swing claw drives the push rod and rises, the push rod drives the pull rod and rises, the pull rod drives the dog and slides, the dog restriction baffle slides, the rethread baffle is used with the cooperation of thorn board, thereby reached and to have adjusted welding pressure's effect according to dysmorphism bag thickness automatically.
Description
Technical Field
The invention relates to the technical field of ultrasonic welding, in particular to an ultrasonic welding pressure adjusting process for heat-sealing and forming of an ultrasonic special-shaped bag.
Background
Ultrasonic welding is also a thermal welding except that the heat required is obtained by ultrasonically exciting the plastic to high frequency mechanical vibrations. When ultrasonic waves are directed at the surface of the plastic to be welded, the plastic particles are excited by the ultrasonic waves to vibrate rapidly and thereby produce mechanical work, and the temperature of the thermoplastic rises as it is converted into heat again so as to melt.
Dysmorphism bag need use ultrasonic bonding to seal in the course of working, current dysmorphism bag ultrasonic bonding equipment is when using, can not be according to the thickness automatically regulated welding pressure of dysmorphism bag, it is difficult to seal completely to lead to the special-shaped bag of excess thickness, the influence seals the quality, and when the heat-seal, the fold appears easily in the sack, lead to sealed effect poor, the special-shaped bag welding time of excess thickness is also longer simultaneously, current equipment does not possess automatically regulated welding time's function, the overlength time can lead to the energy extravagant, the short time can influence welding quality.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an ultrasonic welding pressure adjusting process for heat-seal forming of an ultrasonic special-shaped bag, which has the advantages of being capable of automatically adjusting welding pressure according to the thickness of the special-shaped bag, preventing bag openings from being folded, being high in welding quality, being capable of automatically adjusting welding time, saving energy and the like, and solves the problems that when the conventional ultrasonic welding equipment for the special-shaped bag is used, the welding pressure cannot be automatically adjusted according to the thickness of the special-shaped bag, the excessively thick special-shaped bag is difficult to completely seal, the sealing quality is influenced, and the conventional equipment does not have the function of automatically adjusting the welding time.
(II) technical scheme
In order to realize the purposes of automatically adjusting the welding pressure according to the thickness of the special-shaped bag, preventing the bag opening from being wrinkled, having high welding quality, automatically adjusting the welding time and saving energy, the invention provides the following technical scheme: an ultrasonic welding pressure adjusting device for heat-seal molding of ultrasonic special-shaped bags comprises a rack, wherein a press rod is connected inside the rack in a sliding manner, a buffer spring is fixedly connected at the bottom of the press rod, a press block is fixedly connected at the bottom of the buffer spring, an ejector rod is connected inside the press rod in a sliding manner, a connecting rod is movably connected at the top of the ejector rod, a ratchet block is movably connected at the top of the connecting rod, a ratchet plate is connected on the inner wall of the rack in a sliding manner, a baffle is connected inside the rack in a sliding manner, a slide rod is fixedly connected at the top of the press block, an inner wheel is fixedly connected inside the slide rod, a roller wheel is sleeved outside the inner wheel, a swing claw is movably connected at the front of the roller wheel, a push rod is connected inside the slide rod in a sliding manner, the inside sliding connection of frame has the slider, the outside fixedly connected with friction pulley of slider, the inner wall swing joint of slider has the jack catch, the bottom sliding connection of briquetting has the tensioning piece, the inside sliding connection of briquetting has the drive block, the positive swing joint of drive block has the pendulum rod, the bottom fixedly connected with pinch roller of pendulum rod, the inner wall fixedly connected with gag lever post of pendulum rod.
Preferably, the top of the ratchet plate is fixedly connected with a supporting spring, so that the ratchet plate can be reset.
Preferably, the baffle is connected to the top of the ratchet plate through a transmission rope, and the transmission rope changes the transmission direction through the fixed pulley block, so that the baffle can be driven to ascend when the ratchet plate descends.
Preferably, the sliding rod is inserted in the rack, so that the stable descending of the pressing rod is ensured.
Preferably, a rotary spring is fixedly connected to the inside of the roller, so that the roller can rotate relative to the inner wheel.
Preferably, the swing claw is movably connected to the front surface of the inner wheel.
Preferably, the top of the sliding block is fixedly connected with an electromagnet and corresponds to the fixed suction block at the bottom of the sliding rod.
Preferably, the front surface of the friction wheel is fixedly connected with a buffer wheel, and the buffer wheel is matched with the clamping jaws for use.
According to the ultrasonic special-shaped bag heat-seal forming ultrasonic welding pressure adjusting device, a technology for adjusting ultrasonic special-shaped bag heat-seal forming ultrasonic welding pressure is provided, and the technology comprises the following steps:
and S1, placing the special-shaped bag on an object stage.
And S2, starting the hydraulic cylinder to press the pressure rod and the pressure block on the surface of the special-shaped belt, and enabling the pressure block to enable the sliding block to be located at a certain position through the sliding rod.
And S3, pressing the bag opening to be flat by the pressing block through the swing rod and the pressing wheel.
And S4, stopping the operation of the hydraulic cylinder after the pressure lever descends for a certain distance.
And S5, turning on an ultrasonic control switch, wherein the ultrasonic wave enables the pressing block to generate heat, and the pressing block heats the special-shaped belt.
And S6, when the sliding block slides to the bottommost part after a period of time, the sliding block triggers the closing switch, the ultrasonic wave is closed, meanwhile, the hydraulic cylinder operates, and the hydraulic rod enables the pressure rod and the pressure block to ascend.
And S7, removing the special-shaped bag, and completing heat sealing.
(III) advantageous effects
Compared with the prior art, the invention provides an ultrasonic welding pressure adjusting process for heat-seal forming of ultrasonic special-shaped bags, which has the following beneficial effects:
1. this ultrasonic wave dysmorphism bag heat-seal molding ultrasonic bonding pressure adjusts technology, it descends to drive the briquetting through the depression bar decline, the briquetting drives the slide bar decline, the slide bar drives the gyro wheel decline, rotate under the effect of frictional force when the gyro wheel descends, the gyro wheel rotates and drives the swing claw swing, the swing claw drives the push rod and rises, the push rod drives the pull rod and rises, the pull rod drives the dog and slides, the dog restriction baffle slides, the rethread baffle is used with the cooperation of thorn board, thereby reached and to have adjusted welding pressure's effect according to dysmorphism bag thickness automatically.
2. This ultrasonic wave dysmorphism bag heat-seal shaping ultrasonic bonding pressure adjustment technology, through the slide bar decline through inhaling the piece and the electro-magnet drives the slider decline, the slider drives the friction pulley decline, when the slide bar stops to descend, the electro-magnet loses magnetic force, the slider descends under the effect of gravity, the slider descends and drives the friction pulley rotation, the rethread friction pulley uses with the cooperation of jack catch to the effect that can automatically regulated welding time, the energy can be saved has been reached.
3. This ultrasonic wave dysmorphism bag heat-seal molding ultrasonic bonding pressure adjustment technology, it descends to drive the pendulum rod through the briquetting decline, the pendulum rod drives the pinch roller and descends, the pinch roller swings under the effect of dysmorphism bag, the pinch roller drives the pendulum rod swing, when tensioning piece and dysmorphism bag contact, the relative briquetting of tensioning piece rises, the tensioning piece drives the drive block and slides, the drive block drives the pendulum rod and removes, the relative pendulum rod of pinch roller rises when the fold appears, the cooperation of rethread pinch roller and gag lever post is used, thereby the effect that prevents the sack fold has been reached.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of a portion of the present invention;
FIG. 3 is an enlarged view of part A of FIG. 2;
FIG. 4 is a schematic view of a slide bar portion of the present invention;
FIG. 5 is a partial schematic view of a slider constructed in accordance with the present invention;
FIG. 6 is a schematic view of a portion of a structural compact of the present invention.
In the figure: 1. a frame; 2. a pressure lever; 3. a buffer spring; 4. briquetting; 5. a top rod; 6. a connecting rod; 7. a ratchet block; 8. a ratchet plate; 9. a baffle plate; 10. a slide bar; 11. an inner wheel; 12. a roller; 13. swinging the claw; 14. a push rod; 15. a pull rod; 16. a stopper; 17. a slider; 18. a friction wheel; 19. a claw; 20. a tensioning block; 21. a drive block; 22. a swing rod; 23. a pinch roller; 24. a limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, an ultrasonic welding pressure adjusting device for heat-seal molding of an ultrasonic special-shaped bag comprises a frame 1, a press rod 2 is slidably connected inside the frame 1, a buffer spring 3 is fixedly connected at the bottom of the press rod 2, a press block 4 is fixedly connected at the bottom of the buffer spring 3, a push rod 5 is slidably connected inside the press rod 2, a connecting rod 6 is movably connected at the top of the push rod 5, a ratchet block 7 is movably connected at the top of the connecting rod 6, a ratchet plate 8 is slidably connected at the inner wall of the frame 1, a supporting spring is fixedly connected at the top of the ratchet plate 8 to enable the ratchet plate 8 to reset, a baffle plate 9 is slidably connected inside the frame 1, the baffle plate 9 is connected at the top of the ratchet plate 8 through a transmission rope, the transmission rope changes the transmission direction through a fixed pulley block to enable the ratchet plate 8 to ascend when descending, a slide rod 10 is fixedly connected at, the stable descending of the pressure lever 2 is ensured, the inner wheel 11 is fixedly connected inside the slide rod 10, the roller 12 is sleeved on the outer side of the inner wheel 11, the rotary spring is fixedly connected inside the roller 12, the roller 12 can rotate relative to the inner wheel 11, the swing claw 13 is movably connected on the front side of the roller 12, the swing claw 13 is movably connected on the front side of the inner wheel 11, the push rod 14 is slidably connected inside the slide rod 10, the pull rod 15 is movably connected on the top of the push rod 14, the stop block 16 is movably connected on one side of the pull rod 15 far away from the push rod 14, the slide block 17 is slidably connected inside the frame 1, the electromagnet is fixedly connected on the top of the slide block 17 and corresponds to the fixed suction block at the bottom of the slide rod 10, the electromagnet loses magnetic force when the slide rod 10 stops sliding, the friction wheel 18 is fixedly connected on the outer side of the slide block 17, the buffer wheel 18, the bottom sliding connection of briquetting 4 has tensioning block 20, and the inside sliding connection of briquetting 4 has drive block 21, and the front swing joint of drive block 21 has pendulum rod 22, and the bottom fixedly connected with pinch roller 23 of pendulum rod 22, the inner wall fixedly connected with gag lever post 24 of pendulum rod 22.
The ultrasonic welding pressure adjustment of the ultrasonic special-shaped bag heat-sealing molding can be realized according to the following process;
and S1, placing the special-shaped bag on an object stage.
And S2, starting the hydraulic cylinder to press the pressure rod 2 and the pressure block 4 on the surface of the special-shaped belt, and simultaneously enabling the pressure block 4 to enable the sliding block 17 to be located at a certain position through the sliding rod 10.
S3, pressing the pocket opening by the pressing block 4 through the swing rod 22 and the pressing wheel 23.
And S4, stopping the operation of the hydraulic cylinder after the pressure lever 2 descends for a certain distance.
And S5, turning on the ultrasonic control switch, wherein the ultrasonic wave enables the pressing block 4 to generate heat, and the pressing block 4 heats the special-shaped belt.
And S6, when the sliding block 17 slides to the bottommost part after a period of time, the sliding block 17 triggers the closing switch, the ultrasonic waves are closed, meanwhile, the hydraulic cylinder runs, and the hydraulic rod enables the pressure rod 2 and the pressure block 4 to ascend.
And S7, removing the special-shaped bag, and completing heat sealing.
The working principle is that when the equipment is started, the pressure rod 2 descends under the action of the hydraulic cylinder, the pressure rod 2 descends to drive the buffer spring 3 to descend, the buffer spring 3 drives the pressing block 4 to descend, the pressing block 4 descends to drive the swing rod 22 to descend, the swing rod 22 drives the pressing wheel 23 to descend, the pressing wheel 23 drives the swing rod 22 to swing under the action of the special-shaped bag, when the tensioning block 20 is in contact with the special-shaped bag, the tensioning block 20 ascends relative to the pressing block 4, the tensioning block 20 drives the driving block 21 to slide, the driving block 21 drives the swing rod 22 to move, when wrinkles appear, the pressing wheel 23 ascends relative to the swing rod, the pressing wheel 23 stops rotating under the action of the limiting rod 24, the pressing wheel 23 paves the special-shaped bag through friction force to prevent the bag opening from wrinkling, when the pressing block 4 presses the surface of the special-shaped bag, the pressing block 4 ascends relative to the pressure rod 2, the, the ratchet block 7 is clamped into the ratchet plate 8, the pressing block 4 descends and simultaneously drives the sliding rod 10 to descend, the sliding rod 10 descends and drives the roller 12 to descend, the roller 12 rotates under the action of friction force when descending, the roller 12 rotates and drives the swing claw 13 to swing, when the swing claw 13 swings to a certain position, the roller 12 drives the inner wheel 11 to rotate, the inner wheel 11 drives the swing claw 13 to rotate, the swing claw 13 rotates and drives the push rod 14 to ascend, the push rod 14 ascends and drives the pull rod 15 to ascend, the pull rod 15 drives the stop block 16 to slide towards the inside of the sliding rod 10, and the stop block 16 enables the sliding rod 10 to normally descend.
At the moment, the pressing rod 2 continues to descend, the pressing rod 2 descends to drive the ratchet block 7 to descend, the ratchet block 7 drives the ratchet plate 8 to descend, the ratchet plate 8 drives the baffle plate 9 to ascend through the transmission rope and the fixed pulley block, the baffle plate 9 stops ascending when ascending to the position of the baffle plate 16, the baffle plate 9 limits the pressing rod 2 to descend, the special-shaped bag is thicker, the descending distance of the sliding rod 10 is smaller, the descending distance of the baffle plate 16 is smaller, the ascending distance of the baffle plate 9 is larger, the extruding pressure of the pressing rod 2 is larger, and therefore the effect that the welding pressure can be automatically adjusted according to the.
The slide bar 10 descends while driving the slide block 17 to descend through the suction block and the electromagnet, the slide block 17 drives the friction wheel 18 to descend, when the slide bar 10 stops descending, the electromagnet loses magnetic force, the slide block 17 descends under the action of gravity, the slide block 17 descends to drive the friction wheel 18 to rotate, the friction wheel 18 drives the buffer wheel to rotate, the buffer wheel drives the jaw 19 to swing, the jaw 19 enables the slide block 17 to slowly descend under the action of the internal spring, when the slide block 17 descends to the bottommost part, the equipment stops heating, the thicker the special-shaped bag the slide block 17 descends for a longer time, and therefore the effects of automatically adjusting welding time and saving energy are achieved.
In conclusion, according to the ultrasonic welding pressure adjusting process for the heat-seal forming of the ultrasonic special-shaped bag, the press block 4 is driven to descend by the descending of the press rod 2, the press block 4 drives the slide rod 10 to descend, the slide rod 10 drives the roller 12 to descend, the roller 12 rotates under the action of friction force when descending, the roller 12 rotates to drive the swing claw 13 to swing, the swing claw 13 drives the push rod 14 to ascend, the push rod 14 drives the pull rod 15 to ascend, the pull rod 15 drives the stop block 16 to slide, the stop block 16 limits the sliding of the baffle plate 9, and then the baffle plate 9 is matched with the ratchet plate 8 for use, so that the effect of automatically adjusting the welding. According to the ultrasonic welding pressure adjusting process for the heat-seal molding of the ultrasonic special-shaped bag, the slide bar 10 descends, the slide block 17 is driven to descend through the suction block and the electromagnet, the slide block 17 drives the friction wheel 18 to descend, when the slide bar 10 stops descending, the electromagnet loses magnetic force, the slide block 17 descends under the action of gravity, the slide block 17 descends to drive the friction wheel 18 to rotate, and then the friction wheel 18 and the clamping jaw 19 are matched for use, so that the effects of automatically adjusting welding time and saving energy are achieved. This ultrasonic wave dysmorphism bag heat-seal shaping ultrasonic bonding pressure adjustment process, it descends to drive pendulum rod 22 through briquetting 4 decline, pendulum rod 22 drives pinch roller 23 and descends, pinch roller 23 swings under the effect of dysmorphism bag, pinch roller 23 drives the pendulum rod 22 swing, when tensioning piece 20 and dysmorphism bag contact, tensioning piece 20 is briquetting 4 relative rises, tensioning piece 20 drives the drive block 21 and slides, drive block 21 drives the pendulum rod 22 and removes, pinch roller 23 relative pendulum rod rises when the fold appears, rethread pinch roller 23 is used with gag lever post 24's cooperation, thereby reached the effect that prevents the sack fold, application scope is more extensive.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an ultrasonic wave dysmorphism bag heat-seal shaping ultrasonic bonding pressure adjusting device, includes frame (1), its characterized in that: the inner side of the rack (1) is slidably connected with a press rod (2), the bottom of the press rod (2) is fixedly connected with a buffer spring (3), the bottom of the buffer spring (3) is fixedly connected with a pressing block (4), the inner side of the press rod (2) is slidably connected with a push rod (5), the top of the push rod (5) is movably connected with a connecting rod (6), the top of the connecting rod (6) is movably connected with a ratchet block (7), the inner wall of the rack (1) is slidably connected with a ratchet plate (8), the inner side of the rack (1) is slidably connected with a baffle plate (9), the top of the pressing block (4) is fixedly connected with a slide rod (10), the inner side of the slide rod (10) is fixedly connected with an inner wheel (11), the outer side of the inner wheel (11) is sleeved with a roller (12), the front side of the roller (12) is movably connected with a swing claw (, the top swing joint of push rod (14) has pull rod (15), one side swing joint that push rod (14) were kept away from in pull rod (15) has dog (16), the inside sliding connection of frame (1) has slider (17), the outside fixedly connected with friction pulley (18) of slider (17), the inner wall swing joint of slider (17) has jack catch (19), the bottom sliding connection of briquetting (4) has tensioning block (20), the inside sliding connection of briquetting (4) has drive block (21), the front swing joint of drive block (21) has pendulum rod (22), the bottom fixedly connected with pinch roller (23) of pendulum rod (22), the inner wall fixedly connected with gag lever post (24) of pendulum rod (22).
2. The ultrasonic special-shaped bag heat-seal forming ultrasonic welding pressure adjusting device according to claim 1, characterized in that: the top of the ratchet plate (8) is fixedly connected with a supporting spring.
3. The ultrasonic special-shaped bag heat-seal forming ultrasonic welding pressure adjusting device according to claim 1, characterized in that: the baffle (9) is connected to the top of the ratchet plate (8) through a transmission rope, and the transmission rope changes the transmission direction through the fixed pulley block.
4. The ultrasonic special-shaped bag heat-seal forming ultrasonic welding pressure adjusting device according to claim 1, characterized in that: the sliding rod (10) is inserted in the rack (1).
5. The ultrasonic special-shaped bag heat-seal forming ultrasonic welding pressure adjusting device according to claim 1, characterized in that: the inside of the roller (12) is fixedly connected with a rotary spring.
6. The ultrasonic special-shaped bag heat-seal forming ultrasonic welding pressure adjusting device according to claim 1, characterized in that: the swing claw (13) is movably connected to the front surface of the inner wheel (11).
7. The ultrasonic special-shaped bag heat-seal forming ultrasonic welding pressure adjusting device according to claim 1, characterized in that: the top of the sliding block (17) is fixedly connected with an electromagnet and corresponds to the fixed suction block at the bottom of the sliding rod (10).
8. The ultrasonic special-shaped bag heat-seal forming ultrasonic welding pressure adjusting device according to claim 1, characterized in that: the front surface of the friction wheel (18) is fixedly connected with a buffer wheel.
9. The ultrasonic welding pressure adjusting device for heat sealing of the ultrasonic special-shaped bag according to claim 1 is used for adjusting the ultrasonic welding pressure of the ultrasonic special-shaped bag, and is characterized by comprising the following steps:
and S1, placing the special-shaped bag on an object stage.
S2, starting the hydraulic cylinder to press the pressure lever (2) and the pressing block (4) on the surface of the special-shaped belt, and simultaneously enabling the pressing block (4) to enable the sliding block (17) to be located at a certain position through the sliding rod (10).
S3, pressing the bag opening to be flat by the pressing block (4) through the swing rod (22) and the pressing wheel (23).
And S4, stopping the operation of the hydraulic cylinder after the pressure lever (2) descends for a certain distance.
And S5, turning on the ultrasonic control switch, enabling the pressing block (4) to generate heat through ultrasonic waves, and heating the special-shaped belt through the pressing block (4).
And S6, when the sliding block (17) slides to the bottommost part after a period of time, the sliding block (17) triggers the closing switch, the ultrasonic waves are closed, meanwhile, the hydraulic cylinder operates, and the hydraulic rod enables the pressure rod (2) and the pressure block (4) to ascend.
And S7, removing the special-shaped bag, and completing heat sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548965.6A CN112829310A (en) | 2020-12-24 | 2020-12-24 | Ultrasonic welding pressure adjusting process for heat-seal molding of ultrasonic special-shaped bag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011548965.6A CN112829310A (en) | 2020-12-24 | 2020-12-24 | Ultrasonic welding pressure adjusting process for heat-seal molding of ultrasonic special-shaped bag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112829310A true CN112829310A (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011548965.6A Withdrawn CN112829310A (en) | 2020-12-24 | 2020-12-24 | Ultrasonic welding pressure adjusting process for heat-seal molding of ultrasonic special-shaped bag |
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| Country | Link |
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| CN (1) | CN112829310A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205818527U (en) * | 2016-06-15 | 2016-12-21 | 广东鑫丰利印务有限公司 | Middle side sealing bag machine for Special-shaped bag processing |
| CN106863914A (en) * | 2017-02-28 | 2017-06-20 | 明达塑胶科技（苏州）有限公司 | A kind of process units of PE Special-shaped bags |
| CN210681422U (en) * | 2019-10-12 | 2020-06-05 | 常熟市双乐彩印包装有限公司 | Packaging bag folding and packaging equipment |
-
2020
- 2020-12-24 CN CN202011548965.6A patent/CN112829310A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205818527U (en) * | 2016-06-15 | 2016-12-21 | 广东鑫丰利印务有限公司 | Middle side sealing bag machine for Special-shaped bag processing |
| CN106863914A (en) * | 2017-02-28 | 2017-06-20 | 明达塑胶科技（苏州）有限公司 | A kind of process units of PE Special-shaped bags |
| CN210681422U (en) * | 2019-10-12 | 2020-06-05 | 常熟市双乐彩印包装有限公司 | Packaging bag folding and packaging equipment |
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Application publication date: 20210525 |