CN105799135A - Continuous full-wrapping equipment for pumping rod and wrapping method thereof - Google Patents
Continuous full-wrapping equipment for pumping rod and wrapping method thereof Download PDFInfo
- Publication number
- CN105799135A CN105799135A CN201610203743.8A CN201610203743A CN105799135A CN 105799135 A CN105799135 A CN 105799135A CN 201610203743 A CN201610203743 A CN 201610203743A CN 105799135 A CN105799135 A CN 105799135A
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- CN
- China
- Prior art keywords
- sucker rod
- coating
- wrapping
- cladding material
- vacuum chamber
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/025—General arrangement or layout of plant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/14—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration
- B29C48/145—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the particular extruding conditions, e.g. in a modified atmosphere or by using vibration at a venting zone
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
- B29K2023/04—Polymers of ethylene
- B29K2023/06—PE, i.e. polyethylene
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2077/00—Use of PA, i.e. polyamides, e.g. polyesteramides or derivatives thereof, as moulding material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to continuous full-wrapping equipment for a pumping rod and a wrapping method thereof. The equipment comprises a wrapping unit, a cooling device and a pushing device. The wrapping unit is connected with an extruder which is provided with a heater used for heating wrapping materials into a molten state, and the wrapping materials are adsorbed to the surface of the pumping rod through vacuum at the wrapping unit. The method sequentially includes the following steps that (1) the heater is used for heating the wrapping materials into the molten state, and the wrapping materials are extruded into the wrapping unit; (2) the pushing device is started to push the pumping rod into the wrapping unit, and the pushing speed is adjusted according to the section shape of the part passing through the wrapping unit; and (3) the wrapping materials are adsorbed to the surface of the pumping rod through vacuum at the wrapping unit. By means of the continuous full-wrapping equipment for the pumping rod and the wrapping method thereof, continuous equal-thickness full wrapping of the pumping rod is achieved, a mold structure and specific wrapping steps for wrapping objects in irregular shapes are simplified, and the pumping rod with a special-shaped section is directly, continuously and fully wrapped under the condition that the structure of the pumping rod is not changed.
Description
Technical field
The present invention relates to sucker rod field, particularly relate to sucker rod full coating equipment and method for coating thereof continuously.
Background technology
In correlation technique, the mechanical property of pumping rod made by steel is splendid, but the wearability of metal and corrosion resistance are low, it is impossible to reply well ore deposit rugged environment, causes be greatly shortened the service life of sucker rod, affects the normal production in oil field.For solving corrosion and the wear problem of sucker rod, the surface of sucker rod can be coated with abrasion-proof corrosion-proof corrosion material, to increase wearability and the corrosion resistance of sucker rod, extends its service life.But, the sucker rod of part has Special-Shaped Surface and cross-sectional sizes differs, and the mould structure that cladding uses is complicated, it is impossible to sucker rod is coated with entirely, thus affecting coating efficiency and the performance of sucker rod.
Summary of the invention
For the problems referred to above, it is an object of the invention to provide a kind of sucker rod full coating equipment and method thereof continuously, the sucker rod of solution part has Special-Shaped Surface and cross-sectional sizes differs, the mould structure that cladding uses is complicated, sucker rod cannot be carried out uniform thickness to be entirely coated with, thus affecting the coating efficiency of sucker rod and the technical problem of performance.
For solving above-mentioned technical problem, the technical solution used in the present invention is sucker rod full coating equipment continuously, including coating unit and chiller, described coating unit is connected to the extruder loading cladding material, described extruder is provided with heating cladding material to the heater of molten condition, the cladding material under molten condition in described coating unit place by the surface of vac sorb to sucker rod.
As preferably, described coating unit includes the coating mould of sealing ring, pipeline, vacuum extractor, runner and hollow；Described coating mould connects described vacuum extractor by pipeline, is internally formed vacuum chamber in described coating mould hollow；Described sealing ring is located at one of them end face of described coating mould, is maintained with the airtight of vacuum chamber for what sucker rod passed through；Described runner is located in coating mould, is circulated to vacuum chamber end face for cladding material.
As preferably, described pusher includes the conveying mechanism, pre-traction device, location wheel, rear towing device and the piling bin that set gradually, described coating unit and chiller are sequentially arranged between location wheel and rear towing device, and adjacent coating unit is taken turns in described location.
As preferably, described extruder and coating unit are mutually perpendicular to.
As preferably, the vacuum chamber diameter 0.2-1mm bigger than the maximum gauge of sucker rod of described coating mould, the gap of described runner is 2-5.5mm.
As preferably, described location wheel is against coating unit, and is provided with lead limit switch on the wheel of described location.
As preferably, described conveying mechanism is wheel conveyer structure.
As preferably, described sealing ring is rubber seal ring.
Utilize the method for coating of a kind of sucker rod full coating equipment continuously, comprise the following steps successively: (1) cladding material adds in extruder, starts extruder, utilize heater heating cladding material to molten condition, and clamp-on to coating unit；(2) start pusher, sucker rod is pushed from one end of coating unit, and sucker rod pushing speed is adjusted by the cross sectional shape of coating unit other end according to it；(3) molten condition cladding material in described coating unit place by the surface of vac sorb to sucker rod；(4) traction sucker rod covered section so that the uncoated part of sucker rod passes through coating unit；(5) step (1) to (4) is repeated.
As preferably, utilizing the method for coating of a kind of sucker rod full coating equipment continuously, comprise the following steps successively: (1) conveying mechanism, pre-traction device, location wheel and rear towing device are closed, and place sucker rod；(2) cladding material is added in extruder, start extruder, utilize heater heating cladding material to molten condition, and clamp-on to the runner of coating mould；(3) starting conveying mechanism and location wheel, one end of described conveying mechanism clamping sucker rod, and promote sucker rod to move forward, the other end of sucker rod, through location wheel and one of them end face of vacuum chamber, enters in vacuum chamber, closes conveying mechanism；(4) pre-traction device is started, when promoting another end that one end that sucker rod continuously moves to described sucker rod is positioned at described vacuum chamber, the cladding material flowed out is pressed together in another end of described vacuum chamber, forms, with the sealing ring of one end, the vacuum chamber sealed；(5) starting vacuum extractor, cladding material is adsorbed to the outer surface of sucker rod under vacuum state, is coated with sucker rod；(6) sucker rod after cladding carries out cooling and shaping through apparatus for supercooling；(7) other end of sucker rod passes through rear towing device, starts rear towing device clamping sucker rod and is fed forward, closes pre-traction device；(8), after one end of sucker rod enters vacuum chamber, location wheel is closed；(9) one end of sucker rod is moved to rear towing device, closes rear towing device, and sucker rod is delivered on piling bin；(10) repeat step (1) to (9) can continuously multiple sucker rods be coated with.
As preferably, described cladding material can adopt polyethylene or nylon, and coating mould maintains the temperature between 180-280 DEG C.
Beneficial effects of the present invention:
1. the present invention construction features according to standard sucker rod, adopt vac sorb coating technology, achieve and sucker rod continuous print uniform thickness is coated with entirely, simplify the mould structure that object in irregular shape is coated with and concrete encapsulation steps thereof, when not changing sucker rod structure, directly the sucker rod of profiled-cross-section can be realized continuously full cladding.
2. the present invention can adopt various ways to adjust the cladding thickness of sucker rod conveniently and efficiently, can directly control cladding material by the gap length of adjustment extruder extruded velocity and the runner of coating mould and flow to the flow of vacuum chamber end face, thus adjusting the cladding thickness of sucker rod, it is possible to directly control sucker rod by the time of vacuum chamber end face thus adjusting the cladding thickness of sucker rod by converting the hauling speed of sucker rod.
Accompanying drawing explanation
Utilize accompanying drawing that invention is described further, but the embodiment in accompanying drawing does not constitute any limitation of the invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to the following drawings.
Fig. 1 is the structural representation of sucker rod full coating equipment continuously.
Fig. 2 is the structural representation of the sucker rod coating unit of full coating equipment continuously.
Fig. 3 is the covered effect schematic diagram of sucker rod full coating equipment continuously.
Fig. 4 is the process chart using the sucker rod method of full coating equipment continuously.
Accompanying drawing labelling: 1, wheel conveyer structure, 2, pre-traction device, 3, location wheel, 4, extruder, 5, coating unit, 6, air cooling equipment, 7, spray cooling device, 8, rear towing device, 9, piling bin, 10, lead limit switch, 11, cladding material, 12, sucker rod, 5-1, vacuum chamber, 5-2, coating mould, 5-3, rubber seal ring, 5-4, pipeline, 5-5, vacuum extractor, 5-6, runner.
Detailed description of the invention
The invention will be further described with the following Examples.
Embodiment one
Below to be coated with diameter for 19mm, maximum gauge is the standard steel sucker rod of 38.1mm is that example illustrates.
Sucker rod is full coating equipment continuously, as it is shown in figure 1, include the wheel conveyer structure 1, pre-traction device 2, location wheel 3, coating unit 5, chiller, rear towing device 8 and the piling bin 9 that set gradually.Described coating unit 5 is connected to the extruder 4 loading cladding material, and in the present embodiment, described extruder 4 is mutually perpendicular to coating unit 5.Described extruder 4 is provided with heater, and heating cladding material is to molten condition, and the cladding material 11 under molten condition by the surface that vac sorb to sucker rod 12 is whole, forms the clad of uniform uniform thickness in described coating unit 5 end, and its effect is as shown in Figure 3.
In the present embodiment, described wheel conveyer structure 1 is to adopt 3 groups of wheel conveyers to form side by side, and in other embodiments, described wheel conveyer structure 1 can adopt 4 or 5 groups of wheel conveyers to form side by side.Wheel conveyer structure 1 and pre-traction device 2, rear towing device 8 cooperates, sucker rod 12 is drawn to coating unit 5, by regulating the cladding thickness of the hauling speed adjustable sucker rod 12 of pre-traction device 2 and rear towing device 8, and by sucker rod 12 cross-sectional area of coating unit 5 end big time hauling speed slower, by sucker rod 12 cross-sectional area of coating unit 5 end less time hauling speed very fast, thus ensureing the uniform thickness cladding of sucker rod 12, simultaneously can according to different materials, technique etc. require that realizing sucker rod 12 is coated with the flexible transformation of thickness.
As in figure 2 it is shown, described coating unit 5 includes the coating mould 5-2 of rubber seal ring 5-3, pipeline 5-4, vacuum extractor 5-5, runner 5-6 and hollow.Described vacuum extractor 5-5 connects the inside of described coating mould 5-2 by pipeline 5-4 so that described coating mould 5-2 is internally formed vacuum chamber 5-1.Described rubber seal ring 5-3 is located at one of them end face of described coating mould 5-2, and the aperture of rubber seal ring 5-3 is equal to the path of sucker rod 12, it is ensured that what sucker rod 12 passed through is simultaneously used for forming airtight vacuum chamber 5-1.Described runner 5-6 is located in coating mould 5-2, is circulated to the other end of coating mould 5-2 with loop configuration for cladding material 11.The diameter 0.2-1mm bigger than the maximum gauge of sucker rod 12 of vacuum chamber 5-1, it is ensured that sucker rod 12 can pass through vacuum chamber 5-1.
In the present embodiment, as shown in Figure 1, described location wheel 3 adjacent coating units 5 are arranged, and described location wheel 3 is provided with lead limit switch 10, described location wheel 3 is made to clamp sucker rod 12 all the time in sucker rod 12 cladding process, it is ensured that the central shaft of sucker rod 12 overlaps with the central shaft of vacuum chamber 5-1.
Below to be coated with diameter for 19mm, maximum gauge is the standard steel sucker rod of 38.1mm is that example illustrates sucker rod full method for coating continuously, as shown in Figure 4.
(1) closing pre-traction device 2, location wheel 3 and rear towing device 8, now, pre-traction device 2, location wheel 3 and rear towing device 8 are in open configuration, place sucker rod 12；
(2) in the hopper of extruder 4, add polyethylene cladding material, start extruder 4, polyethylene is coated with in the runner that coating mould 5-2 clamp-oned by material by heating polyethylene cladding material to molten condition, wherein, the temperature of coating mould 5-2 is maintained between 180-220 DEG C, vacuum chamber 5-1 diameter is 38.5m, and the gap of runner 5-6 is 2.2mm；
(3) starting wheel conveyer structure 1 and location wheel 3, wheel conveyer structure 1 clamps the left side of sucker rod 12 and holds greatly, promotes sucker rod 12 to push forward, holds greatly after entrance coating unit 5 until the right side of sucker rod 12, closes wheel conveyer structure 1；
(4) pre-traction device 2 is started, block sucker rod 12 path, the right side that sucker rod 12 continuously moves to described sucker rod 12 is promoted to hold greatly another end being positioned at described vacuum chamber 5-1, after polyethylene in runner 5-6 is coated with another end that material is circulated to described vacuum chamber 5-1 with loop configuration, manual squeezing polyethylene cladding material is together, close another end face of described vacuum chamber 5-1, the described vacuum chamber 5-1 of closing is coordinated, so that vacuum chamber 5-1 realizes vacuum state with rubber seal ring 5-3.If the right side of sucker rod 12 holds greatly another end being not in described vacuum chamber 5-1 namely cladding material to be extruded, during evacuation, cladding material can be sucked into inside vacuum chamber 5-1, reduces or destroy the seal of vacuum chamber 5-1, thus affecting covered effect.
(5) starting vacuum extractor 5-5, the polyethylene cladding material under molten condition is attracted on sucker rod 12 and realizes cladding, and its cladding thickness is 2mm；
(6) in the present embodiment, chiller includes air cooling equipment 6 and spray cooling device 7, and the sucker rod 12 after cladding successively carries out cooling and shaping through air cooling equipment 6 and spray cooling device 7；
(7) right side of sucker rod 12 is held greatly by after rear towing device 8, and startup rear towing device 8 blocks the path of sucker rod 12 and carries forward, simultaneously closes off pre-traction device 2 so that it is open, thus the left side of sucker rod 12 is held greatly can pass through pre-traction device 2；
(8) after entrance vacuum chamber 5-1 is held greatly in the left side of sucker rod 12, location wheel 3 is closed so that it is open, it is ensured that sucker rod 12 is by positioning wheel 3；
(9) left side of sucker rod 12 is held greatly mobile to rear towing device 8, closes rear towing device 8 so that it is open, protects.
Claims (10)
1. sucker rod full coating equipment continuously, it is characterized in that, including coating unit, chiller and pusher, described coating unit is connected to the extruder loading cladding material, described extruder is provided with heating cladding material to the heater of molten condition, the cladding material under molten condition in described coating unit place by the surface of vac sorb to sucker rod.
2. sucker rod according to claim 1 full coating equipment continuously, it is characterised in that described coating unit includes the coating mould of sealing ring, pipeline, vacuum extractor, runner and hollow；Described coating mould connects described vacuum extractor by pipeline, is internally formed vacuum chamber in described coating mould hollow；Described sealing ring is located at one of them end face of described coating mould, is maintained with the airtight of vacuum chamber for what sucker rod passed through；Described runner is located in coating mould, is circulated to vacuum chamber end face for cladding material.
3. sucker rod according to claim 1 full coating equipment continuously, it is characterized in that, described pusher includes the conveying mechanism, pre-traction device, location wheel, rear towing device and the piling bin that set gradually, described coating unit and chiller are sequentially arranged between location wheel and rear towing device, and adjacent coating unit is taken turns in described location.
4. sucker rod according to claim 3 full coating equipment continuously, it is characterised in that described extruder and coating unit are mutually perpendicular to.
5. sucker rod according to claim 4 full coating equipment continuously, it is characterised in that the vacuum chamber diameter 0.2-1mm bigger than the maximum gauge of sucker rod of described coating mould, the gap of described runner is 2-5.5mm.
6. according to the arbitrary described sucker rod of claim 2-5 full coating equipment continuously, it is characterised in that described location is taken turns against coating unit, and described location wheel is provided with lead limit switch.
7. according to the arbitrary described sucker rod of claim 2-5 full coating equipment continuously, it is characterised in that described conveying mechanism is wheel conveyer structure.
8. utilize the method for coating of the full coating equipment continuously of a kind of sucker rod described in claim 1, it is characterized in that, comprise the following steps successively: (1) cladding material adds in extruder, starts extruder, utilize heater heating cladding material to molten condition, and clamp-on to coating unit；(2) start pusher, sucker rod is pushed from one end of coating unit, and sucker rod pushing speed is adjusted by the cross sectional shape of coating unit other end according to it；(3) molten condition cladding material in described coating unit place by the surface of vac sorb to sucker rod；(4) traction sucker rod covered section so that the uncoated part of sucker rod passes through coating unit；(5) step (1) to (4) is repeated.
9. utilize the method for coating of the full coating equipment continuously of sucker rod described in claim 3, it is characterised in that comprise the following steps successively: (1) conveying mechanism, pre-traction device, location wheel and rear towing device are closed, and place sucker rod；(2) cladding material is added in extruder, start extruder, utilize heater heating cladding material to molten condition, and clamp-on to the runner of coating mould；(3) starting conveying mechanism and location wheel, one end of described conveying mechanism clamping sucker rod, and promote sucker rod to move forward, the other end of sucker rod, through location wheel and one of them end face of vacuum chamber, enters in vacuum chamber, closes conveying mechanism；(4) pre-traction device is started, when promoting another end that one end that sucker rod continuously moves to described sucker rod is positioned at described vacuum chamber, the cladding material flowed out is pressed together in another end of described vacuum chamber, forms, with the sealing ring of one end, the vacuum chamber sealed；(5) starting vacuum extractor, cladding material is adsorbed to the outer surface of sucker rod under vacuum state, is coated with sucker rod；(6) sucker rod after cladding carries out cooling and shaping through apparatus for supercooling；(7) other end of sucker rod passes through rear towing device, starts rear towing device clamping sucker rod and is fed forward, closes pre-traction device；(8), after one end of sucker rod enters vacuum chamber, location wheel is closed；(9) one end of sucker rod is moved to rear towing device, closes rear towing device, and sucker rod is delivered on piling bin；(10) repeat step (1) to (9) can continuously multiple sucker rods be coated with.
10. sucker rod according to claim 8 full method for coating continuously, it is characterised in that described cladding material can adopt polyethylene or nylon, and coating mould maintains the temperature between 180-280 DEG C.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015109679972 | 2015-12-22 | ||
| CN201510967997 | 2015-12-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105799135A true CN105799135A (en) | 2016-07-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610203743.8A Pending CN105799135A (en) | 2015-12-22 | 2016-03-31 | Continuous full-wrapping equipment for pumping rod and wrapping method thereof |
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| CN (1) | CN105799135A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976219A (en) * | 2017-05-11 | 2017-07-25 | 江苏兴华胶带股份有限公司 | A kind of elevator balanced compensated chain plastic cement coats a quick molding method |
| CN109352943A (en) * | 2018-09-10 | 2019-02-19 | 胡晓忠 | A kind of bamboo pole coating unit |
| CN111452324A (en) * | 2020-04-28 | 2020-07-28 | 天津市昊航复合管业有限公司 | Continuous full-coating production line of sucker rod and coating method thereof |
| CN111660531A (en) * | 2020-05-28 | 2020-09-15 | 宁德市缔锋新材料科技有限公司 | Mao bamboo cladding production line |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5271786A (en) * | 1990-10-12 | 1993-12-21 | Naan Irrigation Systems | Method and apparatus for producing pipes for drip irrigation |
| CN201883952U (en) * | 2010-11-23 | 2011-06-29 | 杨永利 | High-molecular composite sucker rod |
| CN203919634U (en) * | 2014-03-24 | 2014-11-05 | 苏州卓轩软件科技有限公司 | A kind of aluminium bar extrusion moulding apparatus |
| CN204076768U (en) * | 2014-09-11 | 2015-01-07 | 深圳市奔达康电缆股份有限公司 | Novel cable extruded mould |
| CN105128302A (en) * | 2014-06-05 | 2015-12-09 | 北京化工大学 | Production equipment of sucker rod continuously coated with ultrahigh molecular weight polyethylene |
-
2016
- 2016-03-31 CN CN201610203743.8A patent/CN105799135A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5271786A (en) * | 1990-10-12 | 1993-12-21 | Naan Irrigation Systems | Method and apparatus for producing pipes for drip irrigation |
| CN201883952U (en) * | 2010-11-23 | 2011-06-29 | 杨永利 | High-molecular composite sucker rod |
| CN203919634U (en) * | 2014-03-24 | 2014-11-05 | 苏州卓轩软件科技有限公司 | A kind of aluminium bar extrusion moulding apparatus |
| CN105128302A (en) * | 2014-06-05 | 2015-12-09 | 北京化工大学 | Production equipment of sucker rod continuously coated with ultrahigh molecular weight polyethylene |
| CN204076768U (en) * | 2014-09-11 | 2015-01-07 | 深圳市奔达康电缆股份有限公司 | Novel cable extruded mould |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106976219A (en) * | 2017-05-11 | 2017-07-25 | 江苏兴华胶带股份有限公司 | A kind of elevator balanced compensated chain plastic cement coats a quick molding method |
| CN106976219B (en) * | 2017-05-11 | 2019-04-30 | 江苏兴华胶带股份有限公司 | An a kind of quick molding method of elevator balanced compensated chain plastic cement cladding |
| CN109352943A (en) * | 2018-09-10 | 2019-02-19 | 胡晓忠 | A kind of bamboo pole coating unit |
| CN111452324A (en) * | 2020-04-28 | 2020-07-28 | 天津市昊航复合管业有限公司 | Continuous full-coating production line of sucker rod and coating method thereof |
| CN111452324B (en) * | 2020-04-28 | 2022-02-11 | 天津市昊航复合管业有限公司 | Continuous full-coating production line of sucker rod and coating method thereof |
| CN111660531A (en) * | 2020-05-28 | 2020-09-15 | 宁德市缔锋新材料科技有限公司 | Mao bamboo cladding production line |
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