CN113524634A - Blowing tray intelligence circulation production line - Google Patents

Blowing tray intelligence circulation production line Download PDF

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Publication number
CN113524634A
CN113524634A CN202110887640.9A CN202110887640A CN113524634A CN 113524634 A CN113524634 A CN 113524634A CN 202110887640 A CN202110887640 A CN 202110887640A CN 113524634 A CN113524634 A CN 113524634A
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CN
China
Prior art keywords
machine
centralized
feeding
conveying
blow molding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110887640.9A
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Chinese (zh)
Inventor
陈辉武
陈忠武
林昱希
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Yiqi New Material Co ltd
Original Assignee
Fujian Yiqi New Material Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Yiqi New Material Co ltd filed Critical Fujian Yiqi New Material Co ltd
Priority to CN202110887640.9A priority Critical patent/CN113524634A/en
Publication of CN113524634A publication Critical patent/CN113524634A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29BPREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0005Direct recuperation and re-use of scrap material during moulding operation, i.e. feed-back of used material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/4205Handling means, e.g. transfer, loading or discharging means
    • B29C49/42069Means explicitly adapted for transporting blown article
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42Component parts, details or accessories; Auxiliary operations
    • B29C49/4284Means for recycling or reusing auxiliaries or materials, e.g. blowing fluids or energy
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

Abstract

The invention discloses an intelligent circulating production line for blow molding trays, which comprises a centralized feeding system, a blow molding machine, a waste recovery system and a finished product centralized conveying system, wherein the blowing machine is connected with the centralized feeding system; concentrate feeding system includes the storage vat, mixes storage bucket and feeder, mixes the storage bucket and is equipped with the discharging pipe and connects the blowing machine, and the other cutting device that is equipped with of blowing machine is equipped with the waste material conveyer belt and all links to each other with waste recovery system, and waste recovery system is including the concentrated conveyer belt, hoist mechanism, the tearing machine, rubbing crusher and the conveyer pipe that connect gradually, and finished product is concentrated conveying system and is set up in finished product conveyer belt one side, is equipped with three-axis manipulator. The invention supplies materials to a plurality of blow molding machines through the centralized feeding system, carries out array stacking on finished products through the finished product centralized conveying system, uniformly recycles and treats waste materials through the waste material recycling system, and then sends the waste materials into the centralized feeding system for recycling, and the whole system is automatically controlled through the control center, so that the utilization rate of raw materials is high, the production efficiency is high, and the energy-saving effect is good.

Description

Blowing tray intelligence circulation production line
Technical Field
The invention relates to the technical field of blow-molded trays, in particular to an intelligent circulating production line for blow-molded trays.
Background
Pallets refer to horizontal platform devices used for containerization, stacking, handling, and transportation to place goods and articles as unit loads. As a kind of container equipment similar to a container, a pallet is widely used in the fields of production, transportation, storage, circulation, and the like. The existing tray mainly comprises a wooden tray, an injection molding tray and a blow molding tray. With the idea of green environmental protection, the use and development of wood pallets are gradually limited. Meanwhile, the requirements of all countries in the world on wood are very strict, and the wood must be processed and detected when being exported. The plastic tray can be directly used for export, does not need fumigation and other procedures, and is the most convenient product adopted in the export industry at present. Compared with the trays made of other materials, the plastic tray has obvious upwind, and not only has extremely strong durability, but also can be repeatedly used. The pallet is light in weight and is easier to load, unload and stack.
In the manufacturing process of the blow molding tray, raw materials need to be conveyed and smelted, and products need to be taken, cut and recycled. The traditional raw material conveying is only single machine distribution, and the raw materials cannot be managed in a centralized way; the waste materials and finished products can not be conveyed and treated in a centralized way in a full-automatic way, and the whole work operation can be realized by manual intervention. Needs to consume a large amount of manpower and causes the problem of low efficiency. And the traditional production equipment can not carry out information intercommunication, and an operator is required to judge the service condition of the equipment.
Disclosure of Invention
The invention aims to provide an intelligent circulating production line for blow molding trays, which can perform centralized management on raw materials, cut and recycle waste materials and realize full-automatic operation.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
an intelligent circulating production line for blow molding trays comprises a centralized feeding system, a blow molding machine, a waste recovery system and a finished product centralized conveying system;
the centralized feeding system comprises a storage barrel, a material mixing barrel and a feeding machine, wherein the storage barrel is provided with a pipeline connected with the material mixing barrel, the bottom of the material mixing barrel is provided with a material mixing motor connected with a stirring shaft arranged in the material mixing barrel, the material mixing barrel is provided with a discharge pipe connected with the blow molding machine, and the blow molding machine is simultaneously connected with the feeding machine;
the blow molding machine is provided with a hopper, a forming mold and a clamping and transverse moving mechanism, a cutting device is arranged beside the blow molding machine, a finished product conveying belt is arranged below the cutting device, and a waste conveying belt is arranged on the other side of the cutting device relative to the blow molding machine;
the waste conveying belts of the blow molding machines are all connected with the waste recovery system, the waste recovery system comprises a centralized conveying belt, a lifting mechanism, a tearing machine, a crushing machine and a conveying pipe, the tail ends of the waste conveying belts are connected with the centralized conveying belt, the lifting mechanism is connected with the tail ends of the centralized conveying belts and the upper part of the tearing machine, the lower part of the tearing machine is provided with a switching conveying device which is connected with the upper end of the crushing machine, and the lower end of the crushing machine is connected with the upper part of the storage barrel through the conveying pipe; a feeding pump is arranged on the conveying pipe for feeding;
the finished product centralized conveying system is arranged on one side of the finished product conveying belt and is provided with a three-axis manipulator, and the three-axis manipulator is provided with a clamping jaw or a sucking disc; the centralized feeding system, the blow molding machine, the waste recovery system and the finished product centralized conveying system are all connected with an external control center.
Preferably, sensors are arranged in the feeding hopper and the feeding hopper, and an automatic valve is arranged on a blanking pipeline of the storage bucket.
Preferably, a conveying belt control system is arranged on a centralized conveying belt of the waste recovery system and is in mutual communication with a control system of the blow molding machine, the lifting mechanism, the tearing machine, the crushing machine and the feeding pump through an external control center.
Preferably, a feeding hopper is arranged between the storage barrel and the mixing barrel, two pipelines are respectively arranged on the feeding hopper and connected with the storage barrel and the mixing barrel, and a suction pump is arranged to connect the pipeline connected with the mixing barrel.
Preferably, the lower part of the mixing barrel is provided with a feeding hopper and a discharging hopper, the feeding hopper is provided with a material sucking pipe connected with the mixing barrel, the material sucking pipe is connected with a material sucking pump, the discharging hopper is provided with a material receiving pipe connected with the mixing barrel, and the bottom of the discharging pipe is connected with the discharging pipe.
The invention supplies materials by a centralized feeding system which integrates a pair of blow molding machines, a cutting mechanism is arranged beside the blow molding machines to separate finished products and waste materials, the finished products are stacked in an array mode by a finished product centralized conveying system, the waste materials are recycled and treated in a unified mode by a waste material recycling system and then are sent to the centralized feeding system for recycling, the whole system is automatically controlled by a control center, the utilization rate of raw materials is high, the production efficiency is high, and the energy-saving effect is good.
Drawings
Fig. 1 is an overall schematic view of the present invention.
FIG. 2 is a schematic view of a centralized feeding system.
Fig. 3 is a schematic plan view of a finishing line.
Figure 4 is a schematic view of a waste recovery system.
In the figure, 1 a centralized feeding system, 2 a blow molding machine, 3 a waste recycling system, 4 a finished product centralized conveying system, 11 a storage tank, 12 a mixing tank, 13 a feeding machine, 14 a feeding hopper, 15 an inlet hopper, 16 an outlet hopper, 17 an outlet pipe, 21 a cutting device, 22 a finished product conveying belt, 23 a waste conveying belt, 31 a centralized conveying belt, 32 a lifting mechanism, 33 a tearing machine, 34 a crushing machine, 35 conveying pipes, 36 a switching conveying device and 37 a feeding pump.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific examples, but the embodiments of the invention are not limited thereto.
Fig. 1 to 4 show a preferred embodiment of the present invention, which includes a centralized feeding system 1, a blow molding machine 2, a waste recycling system 3 and a finished product centralized conveying system 4.
The centralized feeding system 1 comprises a storage vat 11, a mixing vat 12 and a feeding machine 13, wherein a feeding hopper 14 is arranged between the storage vat 11 and the mixing vat 12, two pipelines are respectively arranged on the feeding hopper 14 and connected with the storage vat 11 and the mixing vat 12, and a suction pump is arranged to suck the materials falling into the feeding hopper 14 from the storage vat 11 into the mixing vat 12. The lower part of the mixing barrel 12 is also provided with a feeding hopper 15 and a discharging hopper 16, the feeding hopper 15 is provided with a material sucking pipe connected with the mixing barrel 12 and connected with a material sucking pump for sucking the ingredients in the feeding hopper 15 into the mixing barrel 12, and the discharging hopper 16 is provided with a material receiving pipe connected with the mixing barrel 12. The material mixing motor is arranged at the bottom of the material mixing barrel 12 and is connected with a stirring shaft arranged inside the material mixing barrel 12, materials in the feeding hopper 14 and ingredients in the feeding hopper 15 are sucked into the material mixing barrel 12 and are stirred by the stirring shaft and then are fed into the discharging hopper 16, the discharging pipe 17 is connected to the bottom of the discharging hopper 16, and the discharging pipe 17 is connected with a hopper of the blow molding machine 2. The hopper of the blow molding machine 2 is simultaneously connected with the feeding machine 13, and the material in the discharge hopper 16 is sent to the hopper of the blow molding machine 2 through negative pressure suction of the feeding machine 13. The storage barrel 11 and the mixing barrel 12 can be connected with a plurality of blow molding machines 2 for feeding materials at the same time; the volume or number of the storage vat 11 and the mixing vat 12 can also be set according to the number of the blow molding machines 2 and the production material requirements.
The blowing machine 2 is the full-automatic tray blowing machine of current purchase, be equipped with the hopper, forming die and centre gripping sideslip mechanism (not shown in the figure), the material hot melt that blowing machine 2 sent centralized feeding system 1 blows off back is through forming die press-fit molding, rethread centre gripping sideslip mechanism presss from both sides from blowing machine 2, fashioned semi-manufactured goods tray has the corner all around, 2 other cutting device 21 that are equipped with of blowing machine, centre gripping sideslip mechanism keeps the clamping state, cutting device 21 cuts all around along the tray, the below of cutting device 21 is equipped with finished product conveyer belt 22, the opposite side of the relative blowing machine 2 of cutting device 21 is waste material conveyer belt 23. After the cutting device 21 cuts, the tray finished products drop onto the finished product conveyer belt 22, and are sent to the finished product centralized conveying system 4 by the finished product conveyer belt 22, and the clamping and traversing mechanism clamps the leftover waste left after cutting, and after the leftover waste is moved onto the waste conveyer belt 23, the clamping and traversing mechanism is loosened, and the waste drops onto the waste conveyer belt 23.
The scrap conveyor belts 23 of the blow molding machines 2 are connected to the scrap recycling system 3, the scrap recycling system 3 comprises a centralized conveyor belt 31, a lifting mechanism 32, a tearing machine 33, a crushing machine 34 and a conveying pipe 35, the end of the scrap conveyor belt 2 is connected with the centralized conveyor belt 31, the lifting mechanism 32 is connected with the end of the centralized conveyor belt 31 and the upper part of the tearing machine 33, the lower part of the tearing machine 33 is provided with a switching conveyor 36 connected with the upper end of the crushing machine 34, and the lower end of the crushing machine 34 is connected with the upper part of a storage barrel 11 of the centralized feeding system 1 through the conveying pipe 35. The conveying pipe 35 is provided with a feeding pump 37 for feeding, and the conveying pipe 35 can be connected with a plurality of storage barrels 11 at the same time. The waste materials are crushed for the second time by the tearing machine 33 and the crushing machine 34 to form fine plastic particles, the fine plastic particles are automatically sent into the storage barrel 11 through the conveying pipe 35, and then are mixed by the centralized feeding system 1, and then the fine plastic particles can be immediately conveyed to the blow molding machine 2 to be processed into finished products, the whole processing process is full-automatic, and no personnel operation is needed; therefore, the waste materials are automatically recycled, and the cost of waste material recovery and treatment is greatly saved.
The finished product centralized conveying system 4 is arranged on one side of the finished product conveying belt 22 and is provided with a three-axis manipulator, the three-axis manipulator is provided with a clamping jaw or a sucking disc for clamping or adsorbing a finished tray product, and then the finished product is conveyed to a stacking area for array stacking. The finished product centralized conveying system 4 is provided with a photoelectric switch at the material feeding end close to the finished product conveying belt 22, and the three-axis manipulator acts after the photoelectric switch senses that the tray is conveyed.
Concentrated feeding system 1, blowing machine 2, waste recovery system 3 and finished product are concentrated conveying system 4 and are all linked to each other with external control center, are equipped with the sensor in concentrated feeding system 1's hopper 14 and the income hopper 15, are equipped with automatic valve on storage vat 11's the blanking pipeline, and when no material was in the fill was sensed to the sensor, automatic valve can open and carry out automatic feed supplement. When a certain blow molding machine 2 is short of material, the material is automatically conveyed by the feeding machine 13.
Be equipped with the conveyer belt control system on the concentrated conveyer belt 31 of waste recovery system 2, control system through external control center and blowing machine 2, hoist mechanism 32, tear machine 33, rubbing crusher 34 and feeding pump 37 intercommunication, start-stop with control waste recovery system 2, hoist mechanism 32 when the waste material is too few, tear machine 33, rubbing crusher 34 and feeding pump 37 are the stop state, automatic start hoist mechanism 32 when depositing a certain amount of waste material on concentrated conveyer belt 31, tear machine 33, rubbing crusher 34 and feeding pump 37, thereby make waste recovery system 2 not have standby state, reach energy-conserving power saving effect.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the present invention.

Claims (5)

1. The utility model provides a blowing tray intelligence circulation production line which characterized in that: comprises a centralized feeding system, a blow molding machine, a waste recovery system and a finished product centralized conveying system;
the centralized feeding system comprises a storage barrel, a material mixing barrel and a feeding machine, wherein the storage barrel is provided with a pipeline connected with the material mixing barrel, the bottom of the material mixing barrel is provided with a material mixing motor connected with a stirring shaft arranged in the material mixing barrel, the material mixing barrel is provided with a discharge pipe connected with the blow molding machine, and the blow molding machine is simultaneously connected with the feeding machine;
the blow molding machine is provided with a hopper, a forming mold and a clamping and transverse moving mechanism, a cutting device is arranged beside the blow molding machine, a finished product conveying belt is arranged below the cutting device, and a waste conveying belt is arranged on the other side of the cutting device relative to the blow molding machine;
the waste conveying belts of the blow molding machines are all connected with the waste recovery system, the waste recovery system comprises a centralized conveying belt, a lifting mechanism, a tearing machine, a crushing machine and a conveying pipe, the tail ends of the waste conveying belts are connected with the centralized conveying belt, the lifting mechanism is connected with the tail ends of the centralized conveying belts and the upper part of the tearing machine, the lower part of the tearing machine is provided with a switching conveying device which is connected with the upper end of the crushing machine, and the lower end of the crushing machine is connected with the upper part of the storage barrel through the conveying pipe; a feeding pump is arranged on the conveying pipe for feeding;
the finished product centralized conveying system is arranged on one side of the finished product conveying belt and is provided with a three-axis manipulator, and the three-axis manipulator is provided with a clamping jaw or a sucking disc; the centralized feeding system, the blow molding machine, the waste recovery system and the finished product centralized conveying system are all connected with an external control center.
2. The intelligent circulation production line for blow-molding trays as claimed in claim 1, wherein: sensors are arranged in the feeding hopper and the feeding hopper, and an automatic valve is arranged on a blanking pipeline of the storage barrel.
3. The intelligent circulation production line for blow-molding trays as claimed in claim 1, wherein: and a conveying belt control system is arranged on a centralized conveying belt of the waste recovery system and is communicated with a control system of the blow molding machine, a lifting mechanism, a tearing machine, a crushing machine and a feeding pump through an external control center.
4. The intelligent circulation production line for blow-molding trays as claimed in claim 1, wherein: a feeding hopper is arranged between the storage barrel and the mixing barrel, two pipelines are respectively arranged on the feeding hopper and connected with the storage barrel and the mixing barrel, and a suction pump is arranged to connect the pipeline connected with the mixing barrel.
5. The intelligent circulation production line for blow-molding trays as claimed in claim 1, wherein: the lower part of the mixing barrel is provided with a feeding hopper and a discharging hopper, the feeding hopper is provided with a material sucking pipe connected with the mixing barrel, the material sucking pipe is connected with a material sucking pump, the discharging hopper is provided with a material receiving pipe connected with the mixing barrel, and the bottom of the discharging pipe is connected with the discharging pipe.
CN202110887640.9A 2021-08-03 2021-08-03 Blowing tray intelligence circulation production line Pending CN113524634A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110887640.9A CN113524634A (en) 2021-08-03 2021-08-03 Blowing tray intelligence circulation production line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110887640.9A CN113524634A (en) 2021-08-03 2021-08-03 Blowing tray intelligence circulation production line

Publications (1)

Publication Number Publication Date
CN113524634A true CN113524634A (en) 2021-10-22

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201211714A (en) * 2010-09-14 2012-03-16 Neng-Kuei Ye Automatic production system for continuous measurement of output and production and the method thereof
CN205497842U (en) * 2016-03-04 2016-08-24 浙江中亚实业有限公司 Blow molding machine stirring, material loading integrated device
CN205800154U (en) * 2016-07-15 2016-12-14 东莞合发包装制品有限公司 A kind of high temperature resistance low temperature resistant antiseep PE plastic bottle full-automation blow moulding equipment
CN107244058A (en) * 2017-06-27 2017-10-13 慈溪市现代模具有限公司 A kind of preparation method of waste material extrusion-blown modling
CN207140314U (en) * 2017-07-26 2018-03-27 特百科汽车工业(宁波)有限公司 One kind blowing crushes integrated assembly
CN208428579U (en) * 2018-05-16 2019-01-25 武汉燎原模塑有限公司 A kind of injection molding concentration feeding system
CN208714259U (en) * 2018-07-31 2019-04-09 佛山市奥控智能设备进出口有限公司 A kind of bottle blowing machine waste automatic-recovery device
CN112208028A (en) * 2020-09-11 2021-01-12 浙江东精工量具有限公司 Full-automatic recovery unit of injection plastic head
CN112810051A (en) * 2021-01-15 2021-05-18 厦门欣建雅工业有限公司 Injection molding product stub bar recovery system
CN213328549U (en) * 2020-08-25 2021-06-01 福建上杭百科交通工程有限公司 Processing apparatus of anti-coking type asphalt concrete reclaimed materials

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW201211714A (en) * 2010-09-14 2012-03-16 Neng-Kuei Ye Automatic production system for continuous measurement of output and production and the method thereof
CN205497842U (en) * 2016-03-04 2016-08-24 浙江中亚实业有限公司 Blow molding machine stirring, material loading integrated device
CN205800154U (en) * 2016-07-15 2016-12-14 东莞合发包装制品有限公司 A kind of high temperature resistance low temperature resistant antiseep PE plastic bottle full-automation blow moulding equipment
CN107244058A (en) * 2017-06-27 2017-10-13 慈溪市现代模具有限公司 A kind of preparation method of waste material extrusion-blown modling
CN207140314U (en) * 2017-07-26 2018-03-27 特百科汽车工业(宁波)有限公司 One kind blowing crushes integrated assembly
CN208428579U (en) * 2018-05-16 2019-01-25 武汉燎原模塑有限公司 A kind of injection molding concentration feeding system
CN208714259U (en) * 2018-07-31 2019-04-09 佛山市奥控智能设备进出口有限公司 A kind of bottle blowing machine waste automatic-recovery device
CN213328549U (en) * 2020-08-25 2021-06-01 福建上杭百科交通工程有限公司 Processing apparatus of anti-coking type asphalt concrete reclaimed materials
CN112208028A (en) * 2020-09-11 2021-01-12 浙江东精工量具有限公司 Full-automatic recovery unit of injection plastic head
CN112810051A (en) * 2021-01-15 2021-05-18 厦门欣建雅工业有限公司 Injection molding product stub bar recovery system

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Application publication date: 20211022

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