CN118003518B - Waste recovery device for PVC (polyvinyl chloride) parts made of composite materials - Google Patents
Waste recovery device for PVC (polyvinyl chloride) parts made of composite materials Download PDFInfo
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- CN118003518B CN118003518B CN202410415991.3A CN202410415991A CN118003518B CN 118003518 B CN118003518 B CN 118003518B CN 202410415991 A CN202410415991 A CN 202410415991A CN 118003518 B CN118003518 B CN 118003518B
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- Prior art keywords
- fixedly connected
- cooling box
- pipe
- electric sliding
- electric
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- 239000002699 waste material Substances 0.000 title claims abstract description 19
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 229920000915 polyvinyl chloride Polymers 0.000 title abstract description 52
- 239000004800 polyvinyl chloride Substances 0.000 title abstract description 52
- 238000011084 recovery Methods 0.000 title abstract description 13
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical group Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 title description 2
- 238000001816 cooling Methods 0.000 claims abstract description 75
- 238000007710 freezing Methods 0.000 claims abstract description 23
- 230000008014 freezing Effects 0.000 claims abstract description 23
- 229920003023 plastic Polymers 0.000 claims abstract description 21
- 239000004033 plastic Substances 0.000 claims abstract description 21
- 238000002347 injection Methods 0.000 claims abstract description 14
- 239000007924 injection Substances 0.000 claims abstract description 14
- 238000004064 recycling Methods 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims description 71
- 238000007790 scraping Methods 0.000 claims description 57
- 238000005498 polishing Methods 0.000 claims description 36
- 239000002893 slag Substances 0.000 claims description 33
- 238000001179 sorption measurement Methods 0.000 claims description 21
- 238000003860 storage Methods 0.000 claims description 15
- 230000000903 blocking effect Effects 0.000 claims description 13
- 239000012535 impurity Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 7
- 230000005294 ferromagnetic effect Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 description 17
- 239000010959 steel Substances 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 238000005507 spraying Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 239000002923 metal particle Substances 0.000 description 2
- 239000003818 cinder Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Cleaning In General (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the field of plastic recovery, in particular to a waste recovery device for a PVC (polyvinyl chloride) workpiece made of a composite material. The waste recycling device of the PVC workpiece made of the composite material comprises a cooling box, an air inlet, a first electric push rod, a fixed plate, a DD motor, a first electric sliding rail, a first electric sliding block, a plugging plate and the like; the cooling box is communicated with an air inlet, the front part of the cooling box is provided with a plugging soft sheet, and the rear part of the cooling box is provided with a feed inlet; the cooling box is connected with a first electric push rod; the first electric push rod is connected with a fixed plate; the fixed plate is connected with a DD motor; the cooling box connecting strip is connected with a first electric sliding rail; the first electric sliding rail is connected with a first electric sliding block; the first electric sliding block is connected with a plugging plate. The plugging plate penetrates through the cooling box, and the refrigerating work of the pipeline can be more comprehensive and rapid through the work of the pneumatic telescopic rod and the air injection tip; and the air injection tip can be inserted into the pipe wall of the pipe to be treated, so that the freezing speed of the pipe to be treated is greatly improved.
Description
Technical Field
The invention relates to the field of plastic recovery, in particular to a waste recovery device for a PVC (polyvinyl chloride) workpiece made of a composite material.
Background
The steel wire reinforced PVC pipe is a pipeline made of PVC material, and one or more layers of steel wire meshes are embedded in the steel wire reinforced PVC pipe. This design can significantly improve the performance and strength of the PVC pipe.
In the actual production process, because of inaccurate control of production parameters, bubbles or cracks are generated due to concentrated stress in or outside the pipeline, or the pipeline is damaged due to severe vibration, collision or pressure and the like in the transportation and carrying process, the incomplete steel wire PVC pipe needs to be disassembled and recycled and then remanufactured; when the PVC product is exposed to a low-temperature environment, the molecular structure of the PVC product can shrink and become more compact, so that the PVC product becomes brittle, and is easy to crack or fracture under the influence of external force. Particularly during freezing, if there is liquid or gas expansion inside the PVC article, the internal pressure may be further increased, resulting in more susceptible to chipping;
However, the existing recovery device can only crush and recover the PVC pipe made of a single material, and can not achieve rapid and effective disassembly of the steel wire PVC pipe, because if the steel wire PVC pipe is crushed and recovered conventionally, PVC particles and steel wire metal particles are mixed in pipe fitting slag, the pipe fitting slag is separated, the integrity of the reinforced steel wire can not be ensured, and the metal particles are recast, so that the recovery cost is greatly increased;
In the production and transfer process of the steel wire PVC pipe, certain dust impurities are inevitably adhered to the inside of the steel wire PVC pipe, the middle area inside the steel wire PVC pipe is difficult to effectively clean, and the quality of products is greatly reduced due to the fact that impurities are mixed into recycled molten PVC pipe scraps;
and in order to be convenient for location and wiring and discernment pipeline function, steel wire PVC pipe surface can be provided with a color mark line, because the colour of color mark line is most all gorgeous colour, the unable quick separation color marking of prior art and PVC pipe, if color mark line and PVC pipe broken bits fuse together, then just need add more colorants to guarantee the colour of pipeline again, leads to retrieving the step loaded down with trivial details, and the cost also greatly increased.
Disclosure of Invention
The invention provides a waste recovery device for a PVC (polyvinyl chloride) product made of a composite material, which aims to overcome the defects that in the prior art, when a steel wire PVC pipe is recovered, a complete steel wire cannot be stripped, broken slag in the pipe cannot be effectively cleaned, and a color marking cannot be stripped.
The technical implementation scheme of the invention is as follows: a waste recycling device of a composite PVC (polyvinyl chloride) workpiece comprises a cooling box, an air inlet, a first electric push rod, a fixing plate, a DD motor, a first electric sliding rail, a first electric sliding block and a plugging plate; the cooling box is communicated with an air inlet, a plugging film for preventing cold air from flowing out is arranged at the front part of the cooling box, and a feed inlet is formed at the rear part of the cooling box; the cooling box is connected with a first electric push rod; the first electric push rod is connected with a fixed plate; the fixed plate is connected with a DD motor; the cooling box connecting strip is connected with a first electric sliding rail; the first electric sliding rail is connected with a first electric sliding block; the first electric sliding block is connected with a plugging plate, and the plugging plate penetrates through the cooling box; the device also comprises a freezing assembly, a fixing assembly, a collecting assembly, a pneumatic telescopic rod and an air injection tip; the fixed plate is connected with a freezing assembly, and the DD motor is connected with the freezing assembly for freezing the plastic part of the pipe fitting to be processed; the front part of the cooling box is connected with a fixing component for fixing the pipe fitting to be treated; the bottom of the cooling box is provided with a collecting assembly for collecting the pipe fitting slag to be treated; the freezing assembly is connected with a plurality of telescopic rod groups, each telescopic rod group consists of a plurality of pneumatic telescopic rods distributed in an annular array, each pneumatic telescopic rod penetrates through the fixed pipe, and a cold air valve for enabling cold air to enter is arranged in each pneumatic telescopic rod; the telescopic part of each pneumatic telescopic rod is communicated with and fixedly connected with an air injection tip.
Optionally, the freezing component comprises a fixed pipe, a second electric push rod, a plugging fixed disc, a connecting pipe and an electric valve; the DD motor rotating part is fixedly connected with one end of a fixed pipe, the fixed pipe penetrates through the fixed plate, and the fixed pipe penetrates through the plugging film on the cooling box; the fixing part of the second electric push rod is fixedly connected with the inside of the fixing tube through a support plate; the other end of the fixed pipe is fixedly connected with a connecting pipe; the fixed pipe is fixedly connected with an electric valve, and the second electric push rod telescopic part passes through the electric valve; the second electric push rod is fixedly connected with a plugging fixing disc, the plugging fixing disc is provided with a deformation fixing sheet for fixing the pipe fitting to be treated, and the plugging fixing disc is fixedly connected with the connecting pipe; the fixed pipe is connected with the pneumatic telescopic rod.
Optionally, the fixing component comprises a third electric push rod, a connecting plate, a first conduit and an adsorption fixing ring; the front part of the cooling box is fixedly connected with a third electric push rod; the third electric push rod is fixedly connected with a connecting plate; the connecting plate is fixedly connected with a first guide pipe, the first guide pipe is provided with a deformation expansion joint which is used for facilitating subsequent movement work, the first guide pipe penetrates through the connecting plate, and the first guide pipe penetrates through the cooling box; the first conduit is fixedly connected with an adsorption fixing ring, the adsorption fixing ring is provided with an expansion fixing piece for fixing the pipe fitting to be treated, and the first conduit penetrates through the adsorption fixing ring and is communicated with the expansion fixing piece.
Optionally, the collecting assembly comprises a pneumatic sliding rail, a pneumatic sliding block, a slag removing strip and a slag collecting box; the cooling box is fixedly connected with a pneumatic slide rail; the pneumatic sliding rail is connected with a pneumatic sliding block in a sliding way; the pneumatic slide block is fixedly connected with a slag removing strip; the cooling box bottom is fixedly connected with a plurality of slag collecting boxes distributed left and right, and all the slag collecting boxes penetrate through the cooling box bottom.
Optionally, the dust removing device also comprises a driving assembly, a dust removing ring and a polishing piece; the fixed pipe is connected with a plurality of driving components; all the driving components are connected with a dust scraping ring, and a deformation cleaning sheet for scraping impurities in the pipe fitting to be treated is arranged on the dust scraping ring; the dust scraping ring is fixedly connected with a polishing piece, the dust scraping ring is communicated with the deformation polishing piece through an air conveying valve, the deformation polishing piece used for polishing the elastic piece to be treated is arranged, the deformation polishing piece is made of ferromagnetic rubber, and an electromagnet is arranged on the inner side of the polishing piece.
Optionally, the upper driving component comprises a second electric sliding rail, a second electric sliding block and an air pump; the fixed pipe is fixedly connected with a second electric sliding rail; the second electric sliding rail is connected with a second electric sliding block in a sliding way; the second electric slide block is fixedly connected with an air pump, and an air outlet pipe of the air pump is communicated with the dust scraping ring.
Optionally, the dust collection device also comprises a third electric slide rail, a third electric slide block, an annular scraper, a fourth electric slide rail, a fourth electric slide block, a fourth electric push rod and a dust collection scraping block; the cooling box is fixedly connected with a third electric sliding rail; the third electric sliding rail is connected with a third electric sliding block in a sliding way; the third electric sliding block is fixedly connected with a fourth electric sliding rail through a supporting plate, and the fourth electric sliding rail is an annular guide rail; the fourth electric sliding rail is connected with a plurality of fourth electric sliding blocks in a sliding way; all the fourth electric sliding blocks are fixedly connected with an annular scraper together; the annular scraper is fixedly connected with a plurality of fourth electric push rods; and each fourth electric push rod telescopic part is fixedly connected with a dust collection scraping block, and the dust collection scraping blocks penetrate through the annular scraper.
Optionally, a second conduit is also included; the connecting plate fixedly connected with second pipe, and the second pipe runs through the connecting plate, and the second pipe runs through the cooling tank, and second pipe and absorption solid fixed ring intercommunication, the second pipe is provided with the deformation telescopic joint that is used for being convenient for follow-up removal work.
Optionally, an air inlet valve is also included; the dust collection scraping block is communicated with an air inlet valve, and a dust collection port for adsorbing the broken slag is arranged on the dust collection scraping block.
Optionally, the device also comprises a telescopic plugging sheet, a storage box and a bundling manipulator; the rear through groove of the cooling box is fixedly connected with a telescopic plugging sheet, and the telescopic plugging sheet is provided with a gas pipe and penetrates through the rear part of the cooling box; the cooling box is fixedly connected with a storage box, and the storage box is positioned below the telescopic plugging piece; a plurality of bundling mechanical arms are fixedly connected in the storage box.
The invention has the following advantages: the technical scheme provided by the invention is as follows:
The inside of the pipe fitting to be treated can be refrigerated and cooled through the work of the pneumatic telescopic rod and the air injection tip, so that the refrigerating work of the pipeline is more comprehensive and rapid; the air injection tip can be pricked into the pipe wall of the pipe fitting to be treated, so that the freezing speed of the pipe fitting to be treated is greatly improved;
The pneumatic telescopic rod and the DD motor are matched to remove the plastic on the elastic piece to be processed, so that the complete elastic piece to be processed is saved;
The dust scraping ring and the adsorption fixing ring are matched to adsorb impurities in the pipe fitting to be treated, so that the problem that the quality of products is greatly reduced due to the fact that the impurities are mixed into and recycled the molten PVC pipe slag is solved;
The annular scraper can rapidly cut and scrape the rubber label to be treated from the pipe fitting to be treated through the cooperation of the pneumatic telescopic rod and the air injection tip, so that the problem that a plurality of colorants are required to be added to ensure the color of the pipeline and the cost is greatly increased when PVC pipe slag is recovered is avoided;
the elastic piece to be treated can be polished rapidly by matching the deformed polishing sheet with the annular scraper, and the elastic piece to be treated does not need to be polished in the follow-up process;
the elastic pieces to be treated are bound and collected through the cooperation of the dust collection scraping block and the binding manipulator, so that the problem that the elastic pieces to be treated are mutually wound together is avoided.
Drawings
FIG. 1 is a schematic diagram of a first construction of a waste recycling device for PVC articles of the present invention;
FIG. 2 is a schematic diagram of a second construction of the waste recycling device for PVC articles of the present invention;
FIG. 3 is a cross-sectional view of the structure of a pipe to be treated disclosed in the waste recycling device of the composite PVC product of the invention;
FIG. 4 is a cross-sectional view of a first construction of the disclosed waste recycling device for PVC articles of the composite material of the present invention;
FIG. 5 is a cross-sectional view of a second construction of the disclosed waste recycling device for PVC articles of the composite material of the present invention;
FIG. 6 is a cross-sectional view of a third construction disclosed for a waste recycling device for PVC articles of the present invention;
FIG. 7 is an enlarged view of area A of FIG. 6;
FIG. 8 is a diagram showing the working state of a deformed polishing sheet disclosed by the waste recycling device of the PVC product made of the composite material;
FIG. 9 is a cross-sectional view of a fourth construction disclosed for a waste recycling device for PVC articles of the present invention;
FIG. 10 is an enlarged view of region B of FIG. 9;
FIG. 11 is a cross-sectional view of a disclosed fixing assembly of a waste recycling device for PVC articles of the composite material of the present invention;
fig. 12 is an enlarged view of region C of fig. 11.
The marks of the components in the drawings are as follows: 1-cooling box, 2-air inlet, 3-first electric push rod, 4-fixed plate, 5-DD motor, 6-first electric slide rail, 7-first electric slide block, 8-plugging plate, 9-pipe fitting to be treated, 101-fixed pipe, 102-second electric slide rail, 103-second electric slide block, 104-air pump, 105-dust scraping ring, 106-grinding piece, 107-second electric push rod, 108-plugging fixed disk, 109-connecting pipe, 1010-electric valve, 111-pneumatic telescopic rod, 112-air injection tip, 201-third electric slide rail, 202-third electric slide block, 203-annular scraper, 204-fourth electric slide rail, 205-fourth electric slide block, 211-fourth electric push rod, 212-dust collection scraping block, 213-air inlet valve, 301-third electric push rod, 302-connecting plate, 303-first guide pipe, 304-second guide pipe, 305-adsorption fixing ring, 401-pneumatic slide rail, 402-pneumatic slide block, 403-slag removal strip, 404-slag collection box, 405-telescopic plugging sheet, 406-storage box, 407-bundling manipulator, 1 a-plugging soft sheet, 9 a-rubber label to be treated, 9 b-elastic member to be treated, 105 a-deformation cleaning sheet, 106 a-air delivery valve, 106 b-deformation polishing sheet, 108 a-deformation fixing sheet, 212 a-dust collecting port, 305 a-expansion fixing sheet and 405 a-air delivery pipe.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present invention, are used only with reference to the drawings of the present invention, and are not meant to be limiting in any way.
Example 1
1-12, The waste recycling device of the PVC product of the composite material comprises a cooling box 1, an air inlet 2, a first electric push rod 3, a fixed plate 4, a DD motor 5, a first electric slide rail 6, a first electric slide block 7 and a plugging plate 8; the cooling box 1 is communicated with an air inlet 2, the front part of the cooling box 1 is provided with a plugging film 1a, and the rear part of the cooling box 1 is provided with a feed inlet; the cooling box 1 is connected with a first electric push rod 3; the first electric push rod 3 is connected with a fixed plate 4; the fixed plate 4 is connected with a DD motor 5; a first electric sliding rail 6 is connected to the connecting strip of the cooling box 1; the first electric sliding rail 6 is connected with a first electric sliding block 7; the first electric sliding block 7 is connected with a plugging plate 8, and the plugging plate 8 penetrates through the cooling box 1;
also comprises a freezing component, a fixing component, a collecting component, a pneumatic telescopic rod 111 and an air injection tip 112; the fixed plate 4 is connected with a freezing assembly, and the DD motor 5 is connected with the freezing assembly; the front part of the cooling box 1 is connected with a fixed component; the bottom of the cooling box 1 is provided with a collecting assembly; the freezing assembly is connected with a plurality of telescopic rod groups, each telescopic rod group consists of four pneumatic telescopic rods 111 distributed in an annular array, each pneumatic telescopic rod 111 penetrates through the fixed pipe 101, and a cold air valve for enabling cold air to enter is arranged in each pneumatic telescopic rod 111; the telescopic part of each pneumatic telescopic rod 111 is communicated with and fixedly connected with an air injection tip 112.
The freezing assembly comprises a fixed pipe 101, a second electric push rod 107, a plugging fixed disc 108, a connecting pipe 109 and an electric valve 1010; one end of a fixed pipe 101 is fixedly connected to the rotating part of the DD motor 5, the fixed pipe 101 penetrates through the fixed plate 4, and the fixed pipe 101 penetrates through the sealing film 1a on the cooling box 1; the fixing part of the second electric push rod 107 is fixedly connected with the inside of the fixing tube 101 through a support plate; the other end of the fixed pipe 101 is fixedly connected with a connecting pipe 109, and the rear part of the connecting pipe 109 is a deformable telescopic part; the fixed pipe 101 is fixedly connected with an electric valve 1010, and the telescopic part of the second electric push rod 107 passes through the electric valve 1010; the second electric push rod 107 is fixedly connected with a plugging fixed disc 108, the plugging fixed disc 108 is provided with a deformation fixed sheet 108a, the deformation fixed sheet 108a is a deformable air bag, and the plugging fixed disc 108 is fixedly connected with a connecting pipe 109; the fixed tube 101 is connected to a pneumatic telescopic rod 111.
The fixing assembly comprises a third electric push rod 301, a connecting plate 302, a first conduit 303 and an adsorption fixing ring 305; the front part of the cooling box 1 is fixedly connected with a third electric push rod 301; the third electric push rod 301 is fixedly connected with a connecting plate 302; the connecting plate 302 is fixedly connected with a first conduit 303, the first conduit 303 is provided with a deformation expansion joint, the first conduit 303 penetrates through the connecting plate 302, and the first conduit 303 penetrates through the cooling box 1; the first conduit 303 is fixedly connected with an adsorption fixing ring 305, the adsorption fixing ring 305 is provided with an expansion fixing piece 305a, and the first conduit 303 penetrates through the adsorption fixing ring 305 to be communicated with the expansion fixing piece 305 a.
The collecting assembly comprises a pneumatic sliding rail 401, a pneumatic sliding block 402, a slag removing bar 403 and a slag collecting box 404; the cooling box 1 is fixedly connected with a pneumatic slide rail 401; the pneumatic slide rail 401 is connected with a pneumatic slide block 402 in a sliding manner; the pneumatic slide block 402 is fixedly connected with a slag removing strip 403; two slag collecting boxes 404 distributed left and right are fixedly connected to the bottom of the cooling box 1, and all the slag collecting boxes 404 penetrate through the bottom of the cooling box 1.
Before the device works, the front part of the fixing tube 101 is connected with external cold air equipment, the external cold air equipment is connected with the first conduit 303, the external cold air equipment is connected with the air inlet 2, the external conveying equipment inputs the pipe 9 to be treated from the material inlet of the cooling box 1, one side of the DD motor 5 is arranged in front of the device, the hollow part of the pipe 9 to be treated passes through the fixing tube 101 and the plugging fixing disc 108 to move backwards, when the front end inside the fixing tube 101 moves to a position fully contacted with the expansion fixing disc 305a, the plugging fixing disc 108 is positioned at the rear end inside the fixing tube 101, the external cold air equipment starts to work to input cold air into the fixing tube 101, at the moment, the pneumatic telescopic cold air valve is in a closed state, the cold air is input into the connecting tube 109 through the electric valve 1010, the cold air is input into the plugging fixing disc 108 from the connecting tube 109, at the moment, the plugging fixing disc 108 is expanded by the deformation fixing disc 108a arranged on the cold air drum, the rear end of the pipe 9 to be treated is supported and fixed from the inside, when the deformation fixing disc 108a is expanded enough to fix the cold air 9 to be treated, the cold air is closed, the external cold air equipment is positioned at the rear end of the fixing disc 9 to be treated, when the expansion fixing disc is fully contacted with the expansion fixing disc 305a, the expansion fixing disc is fully matched with the expansion fixing disc 305, the cold air is completely expanded, and the cold air is supported by the inner end of the inner pipe 9 to be treated, and the expansion fixing tube to be fully expanded, when the cold air is completely expanded, and is fully expanded;
Then the external conveying equipment is loosened to separate the pipe fitting 9 to be processed, at the moment, the first electric sliding rail 6 controls the first electric sliding block 7 to move upwards, the first electric sliding block 7 drives the plugging plate 8 to move upwards, the feeding port of the cooling box 1 is plugged, the subsequent cold air is prevented from losing after entering, the external cold air equipment connected with the air inlet 2 starts to input the cold air into the cavity of the cooling box 1, and the cold air starts to freeze the pipe fitting 9 to be processed, so that the subsequent crushing work is facilitated;
The cold air valve arranged on the pneumatic telescopic rod 111 is initially opened to the first stage when the cooling box 1 is filled with cold air, so that the cold air is sprayed out of the air spraying tip 112, the interior of the pipe 9 to be treated is cooled, the freezing operation of the pipe is more comprehensive and rapid, but when some PVC pipes with large pipe wall thickness are frozen, the interior of the pipe wall can be frozen completely after the freezing time is long, so that after the air spraying tip 112 sprays enough cold air, the cold air valve of the pneumatic telescopic rod 111 is further opened to the second stage, at the moment, the amount of the cold air flowing in from the cold air valve of the pneumatic telescopic rod 111 is larger, the air instantaneously impacts the telescopic part of the pneumatic telescopic rod 111, so that the air spraying tip 112 is driven to move towards the pipe wall direction of the pipe 9 to be treated, at the moment, the air spraying tip 112 is pushed into the pipe wall of the pipe 9 to be treated by the impact force of the pneumatic telescopic rod 111, at the moment, the cold air is released from the pipe wall 9 to be frozen, the pipe wall 9 to be treated, the freezing speed of the pipe 9 to be treated is greatly improved, and the working speed of the steel wire PVC pipe to be recycled is greatly improved;
After the pipe fitting 9 to be processed is completely frozen, the cold air valve of the pneumatic telescopic rod 111 is opened to a third stage, the air injection pointed end 112 is pricked to be stretched and moved by larger thrust until the pipe fitting 9 to be processed is pricked and frozen, then the DD motor 5 starts to work to drive the fixed pipe 101 to start rotating, the fixed pipe 101 drives the pneumatic telescopic rod 111 and the air injection pointed end 112 to start rotating, at the moment, the telescopic part of the pneumatic telescopic rod 111 passes through the pipe fitting 9 to be processed, at the moment, the telescopic part of the pneumatic telescopic rod 111 is extruded to the plastic part of the pipe fitting 9 to be processed in the rotating process because the pipe fitting 9 to be processed is completely frozen by cold air, and the telescopic part of the pneumatic telescopic rod 111 is removed when the telescopic part of the pneumatic telescopic rod 111 rotates;
Because the expansion fixing piece 305a and the deformation fixing piece 108a fix the pipe fitting 9 to be treated from the inside of two ends of the pipe fitting 9 to be treated, the plastic of the contact part of the pipe fitting 9 to be treated with the expansion fixing piece 305a and the deformation fixing piece 108a cannot be removed, after the plastic of the middle part of the pipe fitting 9 to be treated is removed, the telescopic part of the second electric push rod 107 is unfolded to work, the connected plugging fixing disc 108 is pushed out, at the moment, the deformation fixing piece 108a breaks away from the fixation of the pipe fitting 9 to be treated, at the moment, the first electric push rod 3 starts to work to drive the fixed plate 4 connected with the first electric push rod and the DD motor 5 to move backwards, the DD motor 5 drives the fixed pipe 101 connected with the first electric push rod 3 to move, the fixed pipe 101 drives the pneumatic telescopic rod 111 to move, the pneumatic telescopic rod 111 moves, at the moment, the front part of the pipe fitting 9 to be treated is still fixed by the expansion fixing piece 305a, at the moment, the telescopic rod 111 is driven to rotate by the DD motor 5, and the telescopic part of the pneumatic telescopic rod 111 can remove the plastic of the rear part of the pipe fitting 9 to be treated;
Then the electric valve 1010 works to discharge cold air in the blocking fixed disc 108, so that the blocking fixed disc 108 is restored to the original size, then the second electric push rod 107 is reset, the blocking fixed disc 108 is driven to retract to the rear end of the inside of the pipe fitting 9 to be processed, then the external cold air equipment inputs the cold air into the blocking fixed disc 108 through the electric valve 1010, the deformation fixed disc 108a is fixed at the rear end of the inside of the pipe fitting 9 to be processed again from the inside, at the moment, the expansion fixing disc 305a is separated from the fixation of the front part of the pipe fitting 9 by the expansion fixing disc 302, the first conduit 303 and the adsorption fixing ring 305, then the first electric push rod 3 starts to work, the pneumatic telescopic rod 111 is driven to move forwards, the pneumatic telescopic rod 111 is driven to rotate, after the removed plastic slag falls into the bottom of the cooling box 1, the pneumatic slide rail 401 starts to work, the pneumatic slide block 402 is driven to move rightwards, the slag removal bar 403 is driven to move, and the slag removal bar 403 is scraped into the right slag collection box 404 when the slag removal bar 403 moves;
The plastic on the elastic piece 9b to be processed is removed, so that the plastic on the pipe fitting 9 to be processed can be broken and removed while the elastic piece 9b to be processed is completely stored.
Example 2
On the basis of the embodiment 1, as shown in fig. 4-12, the dust scraping ring 105 and the polishing piece 106 are further included; the fixed pipe 101 is connected with two driving components which are arranged symmetrically up and down; all the driving components are connected with a dust scraping ring 105 together, and a deformation cleaning sheet 105a is arranged on the dust scraping ring 105; the dust scraping ring 105 is fixedly connected with a polishing piece 106, the dust scraping ring 105 is communicated with the deformation polishing piece 106b through a gas transmission valve 106a, the polishing piece 106 is provided with the deformation polishing piece 106b, the deformation polishing piece 106b is made of ferromagnetic rubber, and an electromagnet is arranged on the inner side of the polishing piece 106.
The upper driving component comprises a second electric sliding rail 102, a second electric sliding block 103 and an air pump 104; the fixed pipe 101 is fixedly connected with a second electric sliding rail 102; the second electric sliding rail 102 is connected with a second electric sliding block 103 in a sliding way; the second electric slide block 103 is fixedly connected with an air pump 104, and an air outlet pipe of the air pump 104 is communicated with a dust scraping ring 105.
The dust collection scraper comprises a third electric sliding rail 201, a third electric sliding block 202, an annular scraper 203, a fourth electric sliding rail 204, a fourth electric sliding block 205, a fourth electric push rod 211 and a dust collection scraper 212; the cooling box 1 is fixedly connected with a third electric sliding rail 201; the third electric sliding rail 201 is connected with a third electric sliding block 202 in a sliding way; the third electric sliding block 202 is fixedly connected with a fourth electric sliding rail 204 through a supporting plate, and the fourth electric sliding rail 204 is a ring-shaped guide rail; the fourth electric sliding rail 204 is connected with two fourth electric sliding blocks 205 in a sliding manner; all fourth electric sliding blocks 205 are fixedly connected with an annular scraper 203; the annular scraper 203 is fixedly connected with two fourth electric push rods 211; each fourth electric push rod 211 is fixedly connected with a dust collection scraping block 212, and the dust collection scraping blocks 212 penetrate through the annular scraper 203.
A second conduit 304 is also included; the connecting plate 302 is fixedly connected with a second conduit 304, the second conduit 304 penetrates through the connecting plate 302, the second conduit 304 penetrates through the cooling box 1, the second conduit 304 is communicated with the adsorption fixing ring 305, and the second conduit 304 is provided with a deformation expansion joint.
Also included is an intake valve 213; the dust collection scraping block 212 is communicated with an air inlet valve 213, and a dust collection port 212a is arranged on the dust collection scraping block 212.
Before working, the second guide pipe 304 is connected with an external pump, the air inlet valve 213 is connected with the external pump, as a certain dust impurity is adhered to the inside of the steel wire PVC pipe, the prior art is difficult to clean the middle area inside the steel wire PVC pipe, the pipe 9 to be treated is fixed from the inside of the two ends of the pipe 9 to be treated by the expansion fixing piece 305a and the deformation fixing piece 108a, after the cold air valve of the pneumatic telescopic rod 111 is initially opened to the first stage, the air pump 104 starts to work, cold air is blown into the dust scraping ring 105, the deformation cleaning piece 105a arranged on the dust scraping ring 105 is blown into to start expansion by cold air until the deformation cleaning piece 105a contacts the inner wall of the pipe 9 to be treated, then the second electric sliding rail 102 starts to work to drive the second electric sliding block 103 to move forwards, the connected air pump 104 is driven by the air pump 104 to move, the air pump 104 further drives the connected dust scraping ring 105 to move forwards, the polishing piece 106 is not completely frozen, the deformation cleaning piece 105a just starts to blow the cold air into the pipe 9 to be treated, and the external dust scraping piece 105 is driven to move forwards, and the impurities are not sucked into the fixed ring 305 by the external pump, and the external pump is prevented from being sucked into the suction pipe 9 when the external pump is contacted with the external pump, the external pump is not sucked into the pipe, and the dust is sucked into the pipe, and the external pump is sucked into the pipe, and the dust is sucked into the pipe, and the external pipe is sucked into the pipe, and the pipe is sucked into the pipe;
The air pump 104 discharges cold air in the dust scraping ring 105, the second electric sliding rail 102 drives the second electric sliding block 103 to reset, so that the dust scraping ring 105 resets, the dust scraping ring 105 drives the polishing piece 106 to reset, and the follow-up polishing piece 106 can work conveniently;
In addition, the prior art cannot effectively and rapidly separate the color marking and the PVC pipe, so after the pipe 9 to be processed is completely frozen, the third electric sliding rail 201 starts to work, the third electric sliding block 202 is driven to move backwards, the third electric sliding block 202 drives the fourth electric sliding rail 204 to move, and then drives the fourth electric sliding block 205 to move, the fourth electric sliding block 205 drives the annular scraper 203 to move, the annular scraper 203 drives the fourth electric push rod 211 and the dust collection scraping block 212 connected with the annular scraper 203 to move, and the fourth electric sliding rail 204 starts to work when moving, and drives the fourth electric sliding block 205, and then drives the annular scraper 203, the fourth electric push rod 211 and the dust collection scraping block 212 to rotate, at this time, since the pipe 9 to be processed is completely frozen and fixed, the rubber label 9a to be processed arranged on the pipe 9a is also frozen, at this time, the annular scraper 203 cuts the rubber label 9a from the pipe 9 to be processed in the process of rotating movement, drops into the bottom of the cooling box 1, then the annular scraper 203 works to sweep the rubber label into the left part slag collection box 404, and then the third electric sliding rail 201 works to drive the annular scraper 203 and the reset parts connected with the annular scraper 204 to move, and the color marking is convenient to mix into the PVC pipe to prevent the color marking from being polluted by the pipe, and the color marking is further increased;
Further, since the pneumatic telescopic rod 111 has some tiny plastic adhered to the elastic member 9b when the front part of the plastic part of the pipe 9 to be processed is removed, which leads to that the elastic member 9b to be processed needs to be carefully polished again in the subsequent recovery work, so that the recovery efficiency of the elastic member 9b to be processed is greatly reduced, after the plastic part of the pipe 9 to be processed is removed by the telescopic part of the pneumatic telescopic rod 111, the second electric sliding rail 102 starts to work to drive the second electric sliding block 103 to move, and further drives the polishing member 106 to stretch to be in the state as shown in fig. 8, when the second electric sliding block 103 moves to be in contact with the adsorption fixing ring 305, the air pump 104 starts to work to guide cold air into the dust scraping ring 105, the air transmission valve 106a is opened to guide the cold air into the grinding piece 106, the deformed grinding piece 106b arranged on the grinding piece 106 is expanded by the cold air to start to contact the elastic piece 9b to be processed, the elastic piece 9b to be processed is spirally wrapped from the inside because the deformed grinding piece 106b is extruded by the elastic piece 9b to be processed after being expanded, the DD motor 5 starts to work to sequentially drive the fixed pipe 101, the second electric sliding rail 102, the second electric sliding block 103, the air pump 104, the dust scraping ring 105 and the grinding piece 106 to rotate, and the expanded grinding piece 106 grinds the elastic piece 9b to be processed from the inside to the outside and grinds the fine plastic inside the elastic piece 9b to be processed;
However, since the deformed polishing piece 106b is wrapped by the U-shaped package and cannot polish the fine plastic on the outer ring surface of the elastic piece 9b to be processed, the deformed polishing piece 106b polishes the elastic piece 9b to be processed, and meanwhile, the third electric sliding rail 201 and the fourth electric sliding rail 204 work again to drive the annular scraper 203 to rotate backwards, and meanwhile, the telescopic part of the fourth electric push rod 211 contracts downwards to drive the dust collection scraping block 212 to move downwards, when the dust collection scraping block 212 contacts the outer ring surface of the elastic piece 9b to be processed, the dust collection scraping block 212 stops moving, and therefore, the fine plastic on the outer ring surface of the elastic piece 9b to be processed can be scraped in the rotating backwards moving process, so that the plastic on the elastic piece 9b to be processed can be completely cleaned, and then the dust collection scraping block 212 and the annular scraper 203 are reset to facilitate the follow-up work, so that the elastic piece 9b to be processed is not required to be polished in the follow-up work, and the recovery work efficiency is reduced;
Further, deformation polishing piece 106b is ferromagnetic rubber material, magnetism conductivity is provided, the electromagnet that the polishing piece 106 inboard set up is circular telegram when carrying out the work of polishing, make deformation polishing piece 106b have adsorption capacity to the metal bits, and then adsorb the metal bits that the elastic component 9b inner ring was polished down, external pump on the admission valve 213 begins work, make the dust absorption scrape the piece 212 and have adsorption function through admission valve 213, can adsorb the metal bits that the elastic component 9b outer ring was polished down when the dust absorption scrape the piece 212 and scrape the work, after all recovery work of treating the pipe fitting 9 finishes, disconnect the electromagnet power that the piece 106 inboard set up again, make the metal bits fall into cooling tank 1 bottom, the scarfing cinder strip 403 work sweeps into left portion collection sediment box 404, make the metal bits can not influence deformation polishing piece 106b follow-up work, so realize preventing the metal bits that polish down on the elastic component 9b and mix into the plastic quality after the follow-up melting.
Example 3
Based on the embodiment 2, as shown in fig. 4-5, the device further comprises a telescopic plugging sheet 405, a storage box 406 and a bundling manipulator 407; the rear through groove of the cooling box 1 is fixedly connected with a telescopic plugging piece 405, and the telescopic plugging piece 405 is provided with a gas pipe 405a and penetrates through the rear part of the cooling box 1; the cooling box 1 is fixedly connected with a storage box 406, and the storage box 406 is positioned below the telescopic plugging piece 405; two bundling manipulators 407 are fixedly connected in the storage box 406.
Before working, the air pipe 405a is connected with the external pump, because the treated elastic piece 9b is too long and inconvenient to store, and the elastic pieces 9b to be treated are spiral, if the elastic pieces 9b to be treated are randomly taken and placed, the elastic pieces 9b to be treated are mutually wound, so that the elastic pieces 9b to be treated are not easy to take during subsequent recasting, when the elastic pieces 9b to be treated are scraped by the dust collection scraping block 212 to scrape the plastic slag of the outer ring surface, the telescopic part of the third electric push rod 301 contracts to drive the adsorption fixing ring 305 to fix the elastic pieces 9b to be treated, then the reset third electric slide rail 201 drives the annular scraper 203 to move forwards until the annular scraper 203 is not contacted with the elastic pieces 9b any more, at this time, the fourth electric push rod 211 drives the dust collection scraping block 212 to move downwards, until the bottom surface of the dust collection scraping block 212 is lower than the uppermost part of the elastic piece 9b to be processed, the third electric sliding rail 201 drives the annular scraper 203 to move backwards, at this time, the dust collection scraping block 212 can squeeze the elastic piece 9b to be processed to compress in the backward moving process, at this time, the external pump works, gas in the telescopic plugging sheet 405 is pumped away, so that the storage box 406 leaks, at this time, the bundling manipulator 407 starts to work to bundle the compressed elastic piece 9b to be processed, so that the elastic piece 9b to be processed is kept in a compressed state, and then the bundling manipulator 407 bundles the elastic piece 9b to be processed and puts the elastic piece 9b to be processed into the storage box 406, so that the bundling and collection of the elastic piece 9b to be processed is realized, and the problem that the elastic pieces 9b to be processed are mutually entangled is avoided.
Although embodiments of the present invention have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.
Claims (2)
1. The waste recycling device for the PVC parts of the composite materials comprises a cooling box (1), an air inlet (2), a first electric push rod (3), a fixing plate (4), a DD motor (5), a first electric sliding rail (6), a first electric sliding block (7) and a plugging plate (8); the cooling box (1) is communicated with an air inlet (2), a blocking film (1 a) for preventing cold air from flowing out is arranged at the front part of the cooling box (1), and a feed inlet is formed at the rear part of the cooling box (1); the cooling box (1) is connected with a first electric push rod (3); the first electric push rod (3) is connected with a fixed plate (4); the fixed plate (4) is connected with a DD motor (5); a first electric sliding rail (6) is connected to the connecting strip of the cooling box (1); the first electric sliding rail (6) is connected with a first electric sliding block (7); the first electric sliding block (7) is connected with a blocking plate (8), and the blocking plate (8) penetrates through the cooling box (1); the device is characterized by further comprising a freezing assembly, a fixing assembly, a collecting assembly, a pneumatic telescopic rod (111) and an air injection tip (112); the fixed plate (4) is connected with a freezing component, and the DD motor (5) is connected with the freezing component for freezing the plastic part of the pipe fitting (9) to be treated; the front part of the cooling box (1) is connected with a fixing component for fixing a pipe fitting (9) to be treated; the bottom of the cooling box (1) is provided with a collecting component for collecting the slag of the pipe fitting (9) to be treated; the freezing assembly is connected with a plurality of telescopic rod groups, each telescopic rod group consists of a plurality of pneumatic telescopic rods (111) distributed in an annular array, each pneumatic telescopic rod (111) penetrates through the fixed pipe (101), and a cold air valve for enabling cold air to enter is arranged in each pneumatic telescopic rod (111); the telescopic part of each pneumatic telescopic rod (111) is communicated with and fixedly connected with an air injection tip (112);
The freezing assembly comprises a fixed pipe (101), a second electric push rod (107), a plugging fixed disc (108), a connecting pipe (109) and an electric valve (1010); one end of a fixed pipe (101) is fixedly connected to the rotating part of the DD motor (5), the fixed pipe (101) penetrates through the fixed plate (4), and the fixed pipe (101) penetrates through a blocking film (1 a) on the cooling box (1); the inside of the fixed pipe (101) is fixedly connected with a fixed part of a second electric push rod (107) through a support plate; the other end of the fixed pipe (101) is fixedly connected with a connecting pipe (109); the fixed pipe (101) is fixedly connected with an electric valve (1010), and the telescopic part of the second electric push rod (107) passes through the electric valve (1010); the second electric push rod (107) is fixedly connected with a blocking fixed disc (108), the blocking fixed disc (108) is provided with a deformation fixed sheet (108 a) for fixing the pipe fitting (9) to be treated, and the blocking fixed disc (108) is fixedly connected with the connecting pipe (109); the fixed pipe (101) is connected with the pneumatic telescopic rod (111);
the fixing assembly comprises a third electric push rod (301), a connecting plate (302), a first conduit (303) and an adsorption fixing ring (305); the front part of the cooling box (1) is fixedly connected with a third electric push rod (301); the third electric push rod (301) is fixedly connected with a connecting plate (302); the connecting plate (302) is fixedly connected with a first conduit (303), the first conduit (303) is provided with a deformation expansion joint which is used for facilitating subsequent moving work, the first conduit (303) penetrates through the connecting plate (302), and the first conduit (303) penetrates through the cooling box (1); the first conduit (303) is fixedly connected with an adsorption fixing ring (305), the adsorption fixing ring (305) is provided with an expansion fixing piece (305 a) for fixing the pipe (9) to be treated, and the first conduit (303) penetrates through the adsorption fixing ring (305) and is communicated with the expansion fixing piece (305 a);
The collecting assembly comprises a pneumatic slide rail (401), a pneumatic slide block (402), a slag removing strip (403) and a slag collecting box (404); the cooling box (1) is fixedly connected with a pneumatic slide rail (401); the pneumatic sliding rail (401) is connected with a pneumatic sliding block (402) in a sliding way; the pneumatic sliding block (402) is fixedly connected with a slag removing strip (403); the bottom of the cooling box (1) is fixedly connected with a plurality of slag collecting boxes (404) which are distributed left and right, and all the slag collecting boxes (404) penetrate through the bottom of the cooling box (1);
The dust scraping device also comprises a driving assembly, a dust scraping ring (105) and a polishing piece (106); the fixed pipe (101) is connected with a plurality of driving components; all the driving components are connected with a dust scraping ring (105), and a deformation cleaning sheet (105 a) for scraping impurities in the pipe fitting (9) to be treated is arranged on the dust scraping ring (105); the dust scraping ring (105) is fixedly connected with a polishing piece (106), the dust scraping ring (105) is communicated with the deformed polishing piece (106 b) through an air conveying valve (106 a), the polishing piece (106) is provided with the deformed polishing piece (106 b) for polishing the elastic piece (9 b) to be treated, the deformed polishing piece (106 b) is made of ferromagnetic rubber, and an electromagnet is arranged on the inner side of the polishing piece (106);
The upper driving assembly comprises a second electric sliding rail (102), a second electric sliding block (103) and an air pump (104); the fixed pipe (101) is fixedly connected with a second electric sliding rail (102); the second electric sliding rail (102) is connected with a second electric sliding block (103) in a sliding way; the second electric sliding block (103) is fixedly connected with an air pump (104), and an air outlet pipe of the air pump (104) is communicated with the dust scraping ring (105);
The dust collection device further comprises a third electric sliding rail (201), a third electric sliding block (202), an annular scraper (203), a fourth electric sliding rail (204), a fourth electric sliding block (205), a fourth electric push rod (211) and a dust collection scraping block (212); the cooling box (1) is fixedly connected with a third electric sliding rail (201); the third electric sliding rail (201) is connected with a third electric sliding block (202) in a sliding way; the third electric sliding block (202) is fixedly connected with a fourth electric sliding rail (204) through a supporting plate, and the fourth electric sliding rail (204) is a ring-shaped guide rail; the fourth electric sliding rail (204) is connected with a plurality of fourth electric sliding blocks (205) in a sliding way; all the fourth electric sliding blocks (205) are fixedly connected with an annular scraper (203); the annular scraper (203) is fixedly connected with a plurality of fourth electric push rods (211); a dust collection scraping block (212) is fixedly connected to the telescopic part of each fourth electric push rod (211), and the dust collection scraping block (212) penetrates through the annular scraper (203);
A second conduit (304) is also included; the connecting plate (302) is fixedly connected with a second conduit (304), the second conduit (304) penetrates through the connecting plate (302), the second conduit (304) penetrates through the cooling box (1), the second conduit (304) is communicated with the adsorption fixing ring (305), and the second conduit (304) is provided with a deformation expansion joint which is used for facilitating subsequent movement work;
also comprises an air inlet valve (213); the dust collection scraping block (212) is communicated with an air inlet valve (213), and a dust collection port (212 a) for adsorbing the broken slag is arranged on the dust collection scraping block (212).
2. A waste recycling device for PVC articles of composite material according to claim 1, wherein: the device also comprises a telescopic plugging sheet (405), a storage box (406) and a bundling manipulator (407); the rear through groove of the cooling box (1) is fixedly connected with a telescopic blocking piece (405), and the telescopic blocking piece (405) is provided with a gas pipe (405 a) and penetrates through the rear part of the cooling box (1); the cooling box (1) is fixedly connected with a storage box (406), and the storage box (406) is positioned below the telescopic plugging piece (405); a plurality of bundling mechanical arms (407) are fixedly connected in the storage box (406).
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| CN202410415991.3A CN118003518B (en) | 2024-04-08 | 2024-04-08 | Waste recovery device for PVC (polyvinyl chloride) parts made of composite materials |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410415991.3A CN118003518B (en) | 2024-04-08 | 2024-04-08 | Waste recovery device for PVC (polyvinyl chloride) parts made of composite materials |
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| CN208290240U (en) * | 2018-03-31 | 2018-12-28 | 南京鸿加源机械科技有限公司 | For processing the single screw extrusion machine of plastic film |
| CN112281194A (en) * | 2020-10-28 | 2021-01-29 | 顾琮 | Rust removal electroplating equipment with waste residue collection structure for metal pipe |
| CN116586256A (en) * | 2023-05-19 | 2023-08-15 | 河北中顺基润环保科技有限公司 | Environment-friendly building material processing equipment |
| CN117188565A (en) * | 2023-08-23 | 2023-12-08 | 汤江铭 | High-efficient air water production equipment |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208290240U (en) * | 2018-03-31 | 2018-12-28 | 南京鸿加源机械科技有限公司 | For processing the single screw extrusion machine of plastic film |
| CN112281194A (en) * | 2020-10-28 | 2021-01-29 | 顾琮 | Rust removal electroplating equipment with waste residue collection structure for metal pipe |
| CN116586256A (en) * | 2023-05-19 | 2023-08-15 | 河北中顺基润环保科技有限公司 | Environment-friendly building material processing equipment |
| CN117188565A (en) * | 2023-08-23 | 2023-12-08 | 汤江铭 | High-efficient air water production equipment |
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