CN111846385B - Full-automatic dry ice detection charging method - Google Patents
Full-automatic dry ice detection charging method Download PDFInfo
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- CN111846385B CN111846385B CN202010682969.7A CN202010682969A CN111846385B CN 111846385 B CN111846385 B CN 111846385B CN 202010682969 A CN202010682969 A CN 202010682969A CN 111846385 B CN111846385 B CN 111846385B
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- 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
- B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
- B65B35/30—Arranging and feeding articles in groups
- B65B35/44—Arranging and feeding articles in groups by endless belts or chains
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- 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
- B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
- B65B35/30—Arranging and feeding articles in groups
- B65B35/36—Arranging and feeding articles in groups by grippers
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- 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
- B65B35/00—Supplying, feeding, arranging or orientating articles to be packaged
- B65B35/56—Orientating, i.e. changing the attitude of, articles, e.g. of non-uniform cross-section
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- 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
- B65B57/00—Automatic control, checking, warning, or safety devices
- B65B57/10—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged
- B65B57/14—Automatic control, checking, warning, or safety devices responsive to absence, presence, abnormal feed, or misplacement of articles or materials to be packaged and operating to control, or stop, the feed of articles or material to be packaged
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G15/00—Conveyors having endless load-conveying surfaces, i.e. belts and like continuous members, to which tractive effort is transmitted by means other than endless driving elements of similar configuration
- B65G15/30—Belts or like endless load-carriers
- B65G15/58—Belts or like endless load-carriers with means for holding or retaining the loads in fixed position, e.g. magnetic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/22—Devices influencing the relative position or the attitude of articles during transit by conveyors
- B65G47/26—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles
- B65G47/30—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a series of conveyors
- B65G47/31—Devices influencing the relative position or the attitude of articles during transit by conveyors arranging the articles, e.g. varying spacing between individual articles during transit by a series of conveyors by varying the relative speeds of the conveyors forming the series
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/52—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices
- B65G47/68—Devices for transferring articles or materials between conveyors i.e. discharging or feeding devices adapted to receive articles arriving in one layer from one conveyor lane and to transfer them in individual layers to more than one conveyor lane or to one broader conveyor lane, or vice versa, e.g. combining the flows of articles conveyed by more than one conveyor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention discloses a full-automatic dry ice detection charging method which comprises the following steps of (1) shaping and tabletting dry ice through a tabletting machine to form dried ice pieces, and transmitting the dried ice pieces to a conveying belt branch, wherein a plurality of conveying belt branches are connected with a main conveying belt; adjusting the placement position and the trend of the dry borneol at the outlet of the tabletting machine; (2) the system controller regulates a plurality of dry ice pieces to enter the main conveying belt in sequence by controlling the opening and closing times of the baffle of each conveying belt branch, so that lamination and congestion are prevented; (3) weighing and screening the dry borneol by a weighing control assembly, and pushing the dry borneol with the weight not reaching the standard out of a main conveying belt; (4) the invention can classify and detect the quality of flake dry ice, greatly reduce the possibility of product pollution and the occurrence of personnel freezing injury accidents, realize the full automation of a dry ice production workshop and improve the production efficiency.
Description
Technical Field
The invention belongs to the technical field of dry ice production, and particularly relates to a high-efficiency and safe dry ice charging system.
Background
With the rising of industries such as cold chain logistics and the like, the demand of dry ice on the market is expanding. The company wants to be strong, the existing dry ice packaging technology is difficult to realize, moreover, the requirement of a customer on the product quality is very high, the weight of the flake dry ice is between 480g and 550g, at present, the weight control can only be a sampling weighing mode, and the product qualification rate cannot reach a high level, so that the yield of the dry ice is increased, and the efficient dry ice automatic material management line is urgently researched.
The prior defects are as follows:
(1) the existing non-automatic dry ice packaging technology is simple and crude, more manpower needs to be invested, the temperature of the dry ice is very low and reaches-76 ℃, if staff directly touch the dry ice with hands, the packaging process is not safe enough, the time for the staff to contact the dry ice is long, and freezing accidents are easy to happen.
(2) The conventional packaging line manually puts dry ice into an inlet of a packaging machine, when the packaging speed is increased, the number of times of errors is increased, so that the fault rate of the packaging machine is increased, equipment faults can cause the device to stop completely, and the packaging efficiency of the dry ice is reduced.
(3) The existing weight supervision means is in a sampling weighing mode, a lot of products with unqualified quality flow into a packaging line, the weight supervision difficulty is high, and the product quality is unstable.
Disclosure of Invention
The invention aims to provide a full-automatic dry ice detection and charging method, which can ensure the product quality, increase the production and packaging speed, remotely and automatically control and detect in the whole process and avoid the risk of frostbite of manual charging.
The invention provides a full-automatic dry ice detection charging method, which comprises the following steps
(1) Shaping and tabletting the dry ice by a tabletting machine to form solid dry ice pieces, and conveying the solid dry ice pieces to a conveying belt branch, wherein the conveying belt branches are connected with a main conveying belt; adjusting the placement position and the trend of the dry borneol at the outlet of the tabletting machine;
(2) the system controller regulates a plurality of dry ice pieces to enter the main conveying belt in sequence by controlling the opening and closing times of the baffle of each conveying belt branch, so that lamination and congestion are prevented;
(3) weighing and screening the dry borneol by a weighing control assembly, and pushing the dry borneol with the weight not reaching the standard out of a main conveying belt;
(4) the quantity of the dry ice pieces entering the packaging machine on the main conveying belt is monitored in real time, the packaging machine is controlled to automatically package the dry ice pieces, and prompt alarm information is automatically generated if the dry ice pieces are in failure.
Further, in the step (2), the system controller uniformly controls the transmission speed of the main conveying belt and each conveying belt branch according to production requirements, and the dry ice pieces on the main conveying belt are transmitted at equal intervals according to uniform placement positions by adopting a variable frequency cross control method; the main conveying belt and the conveying belt branches are provided with anti-freezing coatings and limiting strips.
Further, in the step (2), the system controller controls the opening and closing times and the period time of the baffle of each conveying belt branch and the rotating speed of each conveying belt branch, and adjusts the dry ice pieces to enter the main conveying belt in sequence.
Further, in the step (1), a shovel-shaped stainless steel plate is arranged at the outlet of the tablet press and butted with cuboid dry ice pieces, a matching inductor is arranged, and the placement position and the trend of the dry ice pieces are automatically adjusted.
Further, a full-automatic dry ice charging system is adopted in the method, the system comprises a dry ice machine, a tablet press, a weighing control assembly, a conveying control assembly, a tablet poking machine and a packaging control assembly which are respectively connected with a controller, and the controller controls the whole system to automatically detect and operate;
the ice drying machine is connected with the tablet press through a conveying belt branch and is used for shaping and tabletting the dry ice into cuboid dry borneol; the conveying belt branches are connected with a main conveying belt, and the placing position and the trend of the dry ice pieces are adjusted at the outlet of the tablet press;
the conveying control assembly comprises a conveying belt branch correspondingly matched with each tablet press and a main conveying belt, the rear end of the main conveying belt is sequentially connected with the weighing control assembly, the tablet poking machine and the packaging control assembly, and dry borneol is automatically coated and is filled into the heat preservation box according to the specified quantity.
Further, still be provided with camera and accumulator above the control assembly that weighs, automated inspection dry ice piece shape pushes out main conveyer belt with incomplete dry ice piece of appearance through dialling the mascerating machine. For example, the dry ice sheet lacks a corner, and can be automatically identified and removed, so that the product quality is ensured.
Further, the packaging machine is provided with a film coating device and a packaging and transferring mechanical arm, and is used for automatically coating the dry borneol and loading the dry borneol into the heat preservation box according to the specified quantity. When food-grade dry ice is produced, a closed full-automatic dry ice charging production line can be adopted, and a protective cover is additionally arranged to avoid dust and bacterial pollution.
Compared with the prior art, the invention has the beneficial effects that:
(1) the method can perform customized compression classification, detection and packaging on the flake dry ice, greatly reduce the intervention of production personnel in a production line, greatly reduce the possibility of product pollution and the occurrence of accidents of personnel frostbite, effectively optimize the product quality, realize full automation of a dry ice production workshop by remote intelligent control and detection monitoring, and improve the production efficiency.
(2) In the production flow of the line production, the full-automatic dry ice charging line uniformly controls the transmission speed of the main conveying belt and each conveying belt branch, and adopts a frequency conversion cross control method to ensure that dry ice pieces on the main conveying belt are transmitted equidistantly according to a uniform placing position, so that dry ice pieces of a plurality of conveying belt branches can be fully-automatically and uniformly sequenced and continuously slide into the main conveying belt, the lamination and collision of the dry ice pieces are avoided, most importantly, the track entering position and direction of the cuboid dry ice pieces can be automatically adjusted, the short sides face forwards, and the long sides face towards two sides, so that the follow-up rapid packaging mechanical arm can grab and load the dry ice pieces into the thermal insulation box. The invention has the advantages that the production efficiency is improved by 6 times, the error rate is only 1 percent, the error jamming rate is reduced by twenty times compared with the error jamming rate of 20 percent in the prior art, workers on 7 stations can be reduced by intelligent algorithm control, and remarkable economic benefit is brought.
(3) The method also comprises a plurality of automatic quality detection steps, wherein the weight of the dry ice is detected through the weighing control assembly, whether the appearance is complete or not is detected through the camera and the database, whether the product passes the check or not is comprehensively screened, the quality of the product is improved, and unqualified products are prevented from entering a packaging line. In addition, the special conveying belt is provided with an anti-freezing coating and a limiting strip. The dry ice is prevented from being frozen on the conveying belt, meanwhile, the limiting strips prevent the dry ice from sliding randomly, the multi-position structure improvement and the intelligent control algorithm technology guarantee safe and efficient operation of the full-automatic dry ice material sorting line, and the intelligent control method is an advanced technical innovation in the field of dry ice production.
Drawings
FIG. 1 is a flow chart of a fully automatic dry ice charging method;
fig. 2 is a schematic structural diagram of a shovel-shaped stainless steel plate of the tablet press of the present invention.
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.
As shown in FIGS. 1-2, the present invention provides a full automatic dry ice detecting and charging method, comprising the steps of
(1) Shaping and tabletting the dry ice by a tabletting machine to form cuboid dry ice pieces, and conveying the cuboid dry ice pieces to a conveying belt branch, wherein a plurality of conveying belt branches are connected with a main conveying belt; and adjusting the placement position and the trend of the dry ice pieces at the outlet of the tablet press.
At the outlet of the tablet press, as shown in fig. 2, a shovel-shaped stainless steel plate 1 is arranged to be butted with a cuboid dry ice piece 2, a sensor is matched, and the placement position and the trend of the dry ice piece are automatically adjusted. The shovel-shaped stainless steel plate is a device with a wide inlet and an outlet as long as the short edge of the dry ice piece, the rectangular dry ice piece slides to the inlet along the stainless steel plate, the placing position and the trend are automatically adjusted, the short edge faces forwards and backwards, and the long edge faces towards two sides and then is transferred to the main conveying belt, so that the follow-up rapid packaging mechanical arm can grab and load the dry ice piece into the incubator conveniently. If the sensor detects the blockage, the stainless steel plate in a shovel shape can be slightly shaken, or the poking block is controlled to move the blocked dry ice pieces.
(2) The system controller regulates a plurality of dry ice sheets to enter the main conveying belt in sequence by controlling the opening and closing times of the baffle at the tail end of each conveying belt branch, so that lamination and congestion are prevented.
The system controller uniformly controls the transmission speed of the main conveyor belt and each conveyor belt branch according to production requirements, dry ice pieces on the main conveyor belt are transmitted equidistantly according to uniform placement positions by adopting a variable frequency cross control method, and a control program of the variable frequency cross control method can be stored in the system controller. The conveyer belt is provided with an anti-freezing coating and a limiting strip, so that the safe and efficient operation of the full-automatic dry ice sorting line is ensured, and the dry ice does not slide. The system controller controls the opening and closing times and the period time of the baffle of each conveying belt branch and the rotating speed of each conveying belt branch, and adjusts the dry ice pieces to enter the main conveying belt in sequence.
If four tablet presses correspond to four conveying belt branches, the conveying belt branches are uniformly connected to the main conveying belt, a baffle at the tail end of the first conveying belt branch can be arranged to release the dry ice tablets to be conveyed to the main conveying belt at the 1 st second, and the dry ice tablets are blocked at other times; the baffle at the tail end of the second conveying belt branch releases the dried borneol in the 3 rd second; the baffle at the tail end of the third conveying belt branch releases the dried borneol in the 5 th second; the baffle at the tail end of the fourth conveying belt branch releases the dried borneol in the 7 th second; and (4) a baffle at the tail end of the first conveying belt branch is used for releasing the dry ice sheets to the main conveying belt at the 9 th second, and the releasing is controlled in a successive circulation mode. The passing frequency can be improved according to the increase of the production number, and each dry ice sheet can not be collided and overlapped together.
(3) And weighing and screening the dry borneol through the weighing control assembly, and pushing the dry borneol with the weight not reaching the standard out of the main conveying belt. The weighing control assembly is arranged on the main conveying belt, dry borneol which is not in the standard range is pushed out, and the quality of all products is guaranteed.
As an improved mode of more quality detection, a camera and a storage device are further arranged above the weighing control assembly, the shape of the dry ice pieces is automatically detected, the dry ice pieces are compared with samples of different models and sizes in a database of the storage device, and the dry ice pieces with incomplete shapes are pushed out of the main conveying belt through a piece shifting machine. For example, the dry ice sheet lacks a corner, and can be automatically identified and removed, so that the product quality is ensured.
(4) The quantity of the dry ice pieces entering the packaging machine on the main conveying belt is monitored in real time, the packaging machine is controlled to automatically package the dry ice pieces, and prompt alarm information is automatically generated if the dry ice pieces are in failure.
The packaging machine is provided with a coating device and a packaging and transferring mechanical arm, and is used for automatically coating dry borneol and loading the dry borneol into the heat preservation box according to the specified quantity. When food-grade dry ice is produced, a closed full-automatic dry ice charging production line can be adopted, and a protective cover is additionally arranged to avoid dust and bacterial pollution.
The invention also provides a full-automatic dry ice charging system adopting the method, the system comprises an ice drying machine, a tablet press, a weighing control assembly, a conveying control assembly, a tablet poking machine and a packaging control assembly which are respectively connected with a controller, and the controller controls the whole system to automatically detect and operate;
the ice drying machine is connected with the tablet press through a conveying belt branch and is used for shaping and tabletting the dry ice into cuboid dry borneol; the conveying belt branches are connected with a main conveying belt, and the placing position and the trend of the dry ice pieces are adjusted at the outlet of the tablet press;
the conveying control assembly comprises a conveying belt branch correspondingly matched with each tablet press and a main conveying belt, the rear end of the main conveying belt is sequentially connected with the weighing control assembly, the tablet poking machine and the packaging control assembly, and dry borneol is automatically coated and is filled into the heat preservation box according to the specified quantity.
The weighing control assembly is characterized in that a camera and a storage device are further arranged above the weighing control assembly, the shape of the dry ice pieces is automatically detected, the dry ice pieces are compared with samples of different models and sizes in a database of the storage device, and the dry ice pieces with incomplete shapes are pushed out of the main conveying belt through the piece poking machine.
The system of the invention has the following use procedures: the dry ice machine generates granular dry ice, the granular dry ice can be pressed into flaky dry ice through the tablet press, the flaky dry ice made by the tablet press enters a first conveying track through an opening of the tablet press, wherein when an oil cylinder of the tablet press ascends, the flaky dry ice of the dry ice machine is proved to be conveyed to the first conveying track, the flaky dry ice is pushed downwards corresponding to a second air cylinder with a plastic baffle, the upstream flaky dry ice can be temporarily intercepted, when the oil cylinder of the tablet press descends, the flaky dry ice enters the first conveying track, the corresponding second air cylinder with the plastic baffle ascends, the upstream dry ice is continuously conveyed on the first conveying track, a weighing control component controls the flaky dry ice to enter a tablet shifting machine for selective screening through weighing to judge whether a product is qualified or not, then qualified dry ice enters a packaging control component for packaging, when no dry ice passes through an infrared electronic eye above the packaging control component for a period of time, the infrared electronic switch sends a feedback signal to the relay to control the packaging control assembly to stop working, and prompts workers.
Through continuous production for 10 days, twenty thousand dry ices are produced every day for automatic detection and loading, compared with the existing manual visual detection and manual loading and packaging, the production efficiency of the method is improved by 6 times, the error pause rate is only 1 percent, the error jam rate is reduced by twenty times compared with the 20 percent error jam rate in the prior art, the intelligent algorithm control can reduce workers on 7 stations, only one monitoring is needed, the quality of the dry ices is greatly improved, the prior art has 8 percent unqualified dry ices, the prior method only has 1.1 percent unqualified dry ices, and the technical reform brings remarkable economic benefit.
Claims (7)
1. The full-automatic dry ice detection charging method is characterized by comprising the following steps
(1) Shaping and tabletting the dry ice by a tabletting machine to form solid dry ice pieces, and conveying the solid dry ice pieces to a conveying belt branch, wherein the conveying belt branches are connected with a main conveying belt; adjusting the placement position and the trend of the dry borneol at the outlet of the tabletting machine;
(2) the system controller regulates a plurality of dry ice pieces to enter the main conveying belt in sequence by controlling the opening and closing times of the baffle of each conveying belt branch, so that lamination and congestion are prevented; the system controller uniformly controls the transmission speed of the main conveying belt and each conveying belt branch according to production requirements, and dry ice pieces on the main conveying belt are transmitted equidistantly according to uniform placement positions by adopting a variable-frequency cross control method; the main conveying belt and the conveying belt branches are provided with anti-freezing coatings and limiting strips;
(3) weighing and screening the dry borneol by a weighing control assembly, and pushing the dry borneol with the weight not reaching the standard out of a main conveying belt;
(4) the quantity of the dry ice pieces entering the packaging machine on the main conveying belt is monitored in real time, the packaging machine is controlled to automatically package the dry ice pieces, and prompt alarm information is automatically generated if the dry ice pieces are in failure.
2. The full-automatic dry ice detection charging method according to claim 1, characterized in that:
in the step (2), the system controller controls the opening and closing times and the period time of the baffle of each conveying belt branch and the rotating speed of each conveying belt branch, and adjusts the dry ice pieces to enter the main conveying belt in sequence.
3. The full-automatic dry ice detection charging method according to claim 1, characterized in that:
in the step (1), a shovel-shaped stainless steel plate is arranged at the outlet of the tablet press to be butted with the solid dry borneol, a matching inductor is arranged, and the placement position and the trend of the dry borneol are automatically adjusted.
4. The full-automatic dry ice detection charging method according to claim 1, characterized in that:
the method adopts a full-automatic dry ice charging system, the system comprises a dry ice machine, a tablet press, a weighing control assembly, a conveying control assembly, a tablet poking machine and a packaging control assembly which are respectively connected with a controller, and the controller controls the whole system to automatically detect and operate;
the ice drying machine is connected with the tablet press through a conveying belt branch and is used for shaping and tabletting the dry ice into cuboid dry borneol; the conveying belt branches are connected with a main conveying belt, and the placing position and the trend of the dry ice pieces are adjusted at the outlet of the tablet press;
the conveying control assembly comprises a conveying belt branch correspondingly matched with each tablet press and a main conveying belt, the rear end of the main conveying belt is sequentially connected with the weighing control assembly, the tablet poking machine and the packaging control assembly, and dry borneol is automatically coated and is filled into the heat preservation box according to the specified quantity.
5. The full-automatic dry ice detection charging method according to claim 4, characterized in that:
the weighing control assembly is characterized in that a camera and a storage device are further arranged above the weighing control assembly, the shape of the dry ice pieces is automatically detected, the dry ice pieces are compared with samples of different models and sizes in a database of the storage device, and the dry ice pieces with incomplete shapes are pushed out of the main conveying belt through the piece poking machine.
6. The full-automatic dry ice detection charging method according to claim 1, characterized in that:
the packaging machine is provided with a coating device and a packaging and transferring mechanical arm, and is used for automatically coating dry borneol and loading the dry borneol into the heat preservation box according to the specified quantity.
7. The full-automatic dry ice detection charging method according to claim 1, characterized in that: still including installing the safety cover additional, adopt the full-automatic dry ice production line of feeding of leakproofness, avoid dust and bacterial contamination.
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| CN202010682969.7A CN111846385B (en) | 2020-07-15 | 2020-07-15 | Full-automatic dry ice detection charging method |
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| CN202010682969.7A CN111846385B (en) | 2020-07-15 | 2020-07-15 | Full-automatic dry ice detection charging method |
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| US3954165A (en) * | 1973-07-12 | 1976-05-04 | R. C. H. Tool Corporation | Automatic collating machine |
| CN202783898U (en) * | 2012-03-23 | 2013-03-13 | 南京中钞长城金融设备有限公司 | Bank note pack converging and storing and conveying apparatus |
| CN102627157B (en) * | 2012-04-10 | 2013-11-20 | 秦静 | Splitting system and splitting method of paper currency packaging bag production line |
| CN208868373U (en) * | 2018-08-31 | 2019-05-17 | 海神工艺(惠州)有限公司 | A kind of photo frame turnover mechanism |
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