CN202097972U - Device for processing film-blowing type vacuum heat-sealing drip irrigation tapes - Google Patents
Device for processing film-blowing type vacuum heat-sealing drip irrigation tapes Download PDFInfo
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- CN202097972U CN202097972U CN2011201389682U CN201120138968U CN202097972U CN 202097972 U CN202097972 U CN 202097972U CN 2011201389682 U CN2011201389682 U CN 2011201389682U CN 201120138968 U CN201120138968 U CN 201120138968U CN 202097972 U CN202097972 U CN 202097972U
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- drip irrigation
- irrigation zone
- labyrinth
- blown film
- water
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/22—Improving land use; Improving water use or availability; Controlling erosion
Abstract
The utility model aims at providing a device for processing film-blowing type vacuum heat-sealing drip irrigation tapes. The device consists of three film-blowing machines, 3-5 pairs of reversed V-shaped clamp roller groups, a flexible roller, a water-cooling vacuum forming roller, tensioning rollers, cutting-dividing cutters, a flattening wheel and a winding shaft, wherein the 3-5 pairs of reversed V-shaped clamp roller groups are arranged at the back of a die head and installed symmetrically relative to a centre line of film bubbles, the flexible roller and the water-cooling vacuum forming roller are arranged at the back of clamp rollers, the tensioning rollers are arranged at the back of a forming station in sequence, the cutting-dividing cutters are arranged among the tensioning rollers, and the flattening wheel and the winding shaft are arranged at the back of a cutting-dividing station. 12-24 drip irrigation tapes can be formed simultaneously on the same device in the same production line by using the device, thereby remarkably improving production efficiency and reducing production cost of the drip irrigation tapes. The extruded drip irrigation tapes are formed by compositing three layers of films, thereby enabling inner layers of the drip irrigation tapes to be suitable for high-speed heat-sealing process, smooth and free of scale, improving explosion resistance, flexibility and tensile strength of middle layers of the drip irrigation tapes and improving puncture-resistance strength, light-proof performance and anti-aging performance of outer layers of the drip irrigation tapes. Quality can be easier to be controlled to meet market demands due to extraordinary water-saving irrigation development in our country.
Description
Technical field
The utility model relates to the process equipment of a kind of blown film formula vacuum heat-sealing drip irrigation zone, belongs to the agricultural water-saving irrigation equipment technical field.
Background technology
Drip irrigation is a kind of irrigation technique of water saving the most, and the drip irrigation zone is one of main drip irrigation parts, through the labyrinth flow-path on it, can pressure flow be become low discharge water droplet or thread and slowly ooze or flow out.But owing to use early stage input too high, limited and technology to have applied at present in the poverty-stricken area in vast rural area especially drought and water shortage.The labyrinth flow-path forming method of drip irrigation zone commonly used mainly is the vacuum forming method at present: at first extrude a thin cylinder continuously by extruder; In the semi-molten state makes progress drawing process; The light-wall pipe of extruding is flattened, before cooling, through briquetting roller the thin-walled plastic pipe is pressed into the labyrinth flow-path shape again, utilize vacuum forming mode sucking-off labyrinth flow-path simultaneously; Through dissecing, be divided into two monolateral drip irrigation zones that the labyrinth is arranged of flank again.Once maximum 2 drip irrigation zones of pressing of this production method and equipment, production efficiency is lower.The applicant once disclosed the continuous production equipment of producing many paster maze flow passage drip irrigation belt of a kind of while in 2007; (200710061763.7) group equipment technical scheme of many drip irrigation zones of pressing and forming has simultaneously at first been proposed on industry; But the production efficiency that how to make the drip irrigation zone improves and the investment of reduction system, remains the bottleneck problem that the restriction drip irrigation zone is popularized to the rural area.
Summary of the invention
The purpose of the utility model is to provide the corollary equipment of many drip irrigation zones of a kind of while moulding, and in the hope of significantly improving the production efficiency of drip irrigation zone, it is high to solve the drip irrigation zone production cost, the problem that the peasant cannot afford.
The technical scheme of the utility model is achieved in that the process equipment of this blown film formula vacuum heat-sealing drip irrigation zone; The inflation film manufacturing machine that this equipment is made up of extruder I, extruder II and extruder III; Be arranged at 3～5 pairs of chevron shaped nip rolls groups that relative film bubble center line symmetry is installed of three layers of compound blown film die head top; Be arranged at the flexible pressure roller and the water-cooled vacuum forming roller of nip rolls top; And the idler roller that is set in turn in the shaping station rear, be arranged at the cutting cutter between the idler roller, be arranged at the flattening wheel at cutting station rear and twine axle and form.
Described water-cooled vacuum forming roller is sleeved on the fixation hollow axle by the rotational forming wheel to be formed; Being provided with fixedly around hollow shaft, water jacket constitutes cold water cavity; Axially be provided with vacuum chamber between hollow shaft and the rotational forming wheel; During work, end face ratchet through sprocket wheel and rotational forming wheel end face ratchet engagement, the driven rotary briquetting roller serves as an axle rotation with fixing water jacket.
The process equipment of described blown film formula vacuum heat-sealing drip irrigation zone; Described rotational forming wheel outer surface is provided with the annular ridge of constant spacing vertically; Annular groove and the through hole of bleeding that is uniformly distributed with; Inlaying cross section in the annular groove is the annular labyrinth moulding ring of rectangle, and after the rotational forming wheel was inlayed labyrinth moulding ring, moulding ring external diameter was identical with the annular ridge external diameter.
The process equipment of described blown film formula vacuum heat-sealing drip irrigation zone; Described every moulding ring outer surface along the circumferential direction is carved with N organizes equally spaced labyrinth groove; The labyrinth groove is by hydraulic performance requirement design shape, and bottom portion of groove is provided with the labyrinth through hole of bleeding and is communicated with the through hole of bleeding of rotational forming wheel, when the through hole of bleeding rotates to the vacuum chamber position of water-cooled axle, forms vacuum condition; Rotational forming wheel outer surface between annular ridge and labyrinth moulding ring; Aspirate out the drip irrigation zone and cross aquaporin, groove aspirates out water maze in the labyrinth, simultaneously annular ridge and annular labyrinth moulding ring bossing pressing drip irrigation zone.
The process equipment of described blown film formula vacuum heat-sealing drip irrigation zone, said rotational forming wheel are gone up the through hole of bleeding that is provided with greater than the labyrinth of the labyrinth moulding ring setting through hole of bleeding.
The process equipment of described blown film formula vacuum heat-sealing drip irrigation zone, pipe is connected with hollow shaft said vacuum chamber through bleeding excessively, and hollow shaft one end blocks, and an end connects bleeding point, and bleeding point is connected with vavuum pump through vacuum exhaust pipe, vacuum suction valve.
The process equipment of described blown film formula vacuum heat-sealing drip irrigation zone, said rotational forming wheel other position of inner surface and vacuum chamber isolation do not form vacuum condition, and are coupling with fixation hollow and touch.
The process equipment of described blown film formula vacuum heat-sealing drip irrigation zone, said fixation hollow axle and end cap constitute cold water cavity, and cooling water intake and delivery port are set on the end cap.
The process equipment of described blown film formula vacuum heat-sealing drip irrigation zone, described cutting blade with become 100～120 to spend angles above the drip irrigation zone.
The process equipment of described blown film formula vacuum heat-sealing drip irrigation zone; Off-centre is arranged in described die head exit gap; Make the film that blows out produce difference in thickness, be convenient to the aquaporin excessively of water-cooled vacuum forming roller 10 many drip irrigation zones of vacuum draw moulding on thicker relatively plastic tab and go out water maze.
The utility model is owing to be employed in the technical scheme of same equipment continuous extrusion drip irrigation zone; The 12-24 of moulding simultaneously bar drip irrigation zone on same production line; The drip irrigation zone of extruding is composited by three-layer thin-film; Can make the internal layer of drip irrigation zone have the high speed of being suitable for hot sealing process, smooth, non-scaling, anti-explosion, pliability, tensile strength are improved in the middle level, outer punctured resistance, light tight, the aging-resistant performance of improving.Specific duty is 3 times an of extruder, and the drip irrigation zone shaped device has only a cover with other auxiliary equipment, and the unit cost is low, and the auxiliary equipment energy consumption is low.Satisfy the market demand that China's water-saving irrigation is advanced by leaps and bounds more easily.
Description of drawings
Fig. 1: blown film formula vacuum heat-sealing drip irrigation zone process equipment combination sketch map
Fig. 2: the vertical view that is Fig. 1
Fig. 3: the A-A view that is Fig. 1
Fig. 4: the local amplification view of B that is Fig. 1
Fig. 5: the vertical view that is Fig. 4
Fig. 6: water-cooled vacuum forming roll structure sketch map
Fig. 7: the A-A profile that is Fig. 6
Fig. 8: the B-B profile that is Fig. 6
Fig. 9: the C partial enlarged drawing that is Fig. 6
Figure 10: the D that is Fig. 6 is to view
Figure 11: the E that is Fig. 6 is to view
Figure 12: the F partial enlarged drawing that is Figure 10
Figure 13: the drip irrigation zone cross-sectional view that is the G position moulding of Figure 12
Fig. 1～5 process equipment illustration:
1, extruder screw belt pulley 2, extruder elevating hopper 3, extruding machine barrel
4, extruder cabinet 5, extruding machine barrel heater
6, three layers of compound blown film die head 6-1, die gap adjustment encircle 6-2, die orifice inner core
6-3, compressed air inlet 6-4, die orifice retainer ring 6-5, die orifice outer shroud
6-6, film steep outer charging aperture 6-7, die orifice flow splitter A 6-8, film bubble internal layer charging aperture
6-9, die orifice flow splitter B 6-10, film bubble middle level charging aperture 6-11, die orifice holder
6-12, die gap adjustment screw
7, the drip irrigation zone of cylinder 8, flexible pressure roller 9, adhesion-molded not cutting
10, water-cooled vacuum forming roller 11, idler roller A 12, idler roller B 13, idler roller C
14, nip rolls 15, winding axle 16, drive motors belt pulley 17, driving belt
18, the drip irrigation zone 19 of cutting, cutting cutter 20, three layers of composite plastic film bubble
21, chevron shaped nip rolls group 22, slitter shaft 23, vacuum exhaust pipe 24, return pipe
25, water inlet pipe 26, water inlet control valve door 27, air bleeding valve 28, extraction valve
29, cooling water tank 30, vavuum pump 31, extruder I 32, extruder II
33, extruder III 34, compressed pneumatic pump 35, compressed air piping
36, compressed air valve 37, cooling vane 37-1, cooling air inlet
37-2 cooling vane 37-3 suitable for reading, cooling vane end opening 38, compressed air inlet port
Fig. 6～Figure 12 water-cooled vacuum forming roller illustration:
10-1, bleeding point 10-2, locking nut A 10-3, water inlet 10-3-1, water inlet
10-3-2, delivery port 10-4, end cap A 10-5, labyrinth moulding ring
10-5-3, labyrinth groove 10-5-1,10-5-2, the through hole of bleeding
10-6, annular ridge 10-7, cold water cavity 10-8, the excessively pipe of bleeding
10-9, fixedly water jacket 10-9-1, water-cooled axle vacuum chamber 10-10, rotational forming wheel
10-11, hollow shaft 10-12, end cap B 10-13, locking nut B
10-14, drive sprocket 10-15, bearing 10-16, jump ring 10-17, fixing axle bed
Figure 13 illustration
A is the labyrinth, drip irrigation zone, and b is that aquaporin is crossed in the drip irrigation zone, and the c drip irrigation zone is a stick portion.
The specific embodiment
The processing method and the equipment operation principle sketch map of the vacuum of blown film formula shown in Fig. 1～5 heat-sealing drip irrigation zone; The utility model operation principle is simultaneously to blown film film confession material by three plastic extruders; Blow out composite plastic film; Crossing aquaporin and going out water maze of drip irrigation zone organized in moulding simultaneously more on plastic sheeting, and online cutting becomes many drip irrigation zones.
The special processing equipment of a kind of blown film formula vacuum heat-sealing drip irrigation zone is like Fig. 1～shown in Figure 5.The inflation film manufacturing machine that this equipment is made up of extruder I, extruder II and extruder III; Be arranged at 3～5 pairs of chevron shaped nip rolls groups 21 that relative film bubble center line symmetry is installed of three layers of compound blown film die head 6 top; Be arranged at the flexible pressure roller 8 and water-cooled vacuum forming roller 10 of extrusion die below; And the idler roller 11,12,13 that is set in turn in the shaping station rear, being arranged at the cutting cutter 19 between the idler roller, the flattening wheel 14 that is arranged at cutting station rear is formed with winding axle 15.
The utility model also comprises is arranged to off-centre with the die head exit gap, makes the film that blows out produce difference in thickness, is convenient to the aquaporin excessively of water-cooled vacuum forming roller 10 many drip irrigation zones of vacuum draw moulding on thicker relatively plastic tab and goes out water maze.
The critical component of this process equipment and innovative point are the water-cooled vacuum forming rollers 10 shown in Fig. 6～12; Be sleeved on the fixation hollow axle 10-11 by rotational forming wheel 10-10 and form; Around hollow shaft fixedly water jacket 10-9 formation cold water cavity 10-7 is set, axially is provided with vacuum chamber 10-9-1 between hollow shaft and the rotational forming wheel, during work; End face ratchet through sprocket wheel 10-14 and rotational forming wheel end face ratchet engagement, driven rotary briquetting roller 10-10 serves as an axle rotation with fixing water jacket 10-9.As shown in Figure 8.
Rotational forming wheel 10-10 outer surface is provided with the annular ridge 10-6 of constant spacing vertically; Annular groove and the through hole 10-5-2 that bleeds that is uniformly distributed with; Inlay the annular labyrinth moulding ring 10-5 that cross section is a rectangle in Fig. 9, Figure 10, the annular groove shown in Figure 12; Every moulding ring outer surface along the circumferential direction is carved with N organizes equally spaced labyrinth groove 10-5-3; The labyrinth that bottom portion of groove the is provided with diameter 0.5～0.6mm through hole 10-5-1 that bleeds is communicated with diameter 2～3mm of the through hole 10-5-2 that bleeds, pitch of holes 10～12mm with the bigger through hole 10-5-2 that bleeds of rotational forming wheel circumference uniform distribution., the through hole 10-5-2 that bleeds forms vacuum condition when rotating to the vacuum chamber 10-9-1 position of water-cooled axle; Rotational forming wheel outer surface between annular ridge 10-6 and labyrinth moulding ring 10-5; Aspirate out the drip irrigation zone and cross aquaporin 10-5-5; Groove 10-5-3 aspirates out water maze in the place in the labyrinth, simultaneously the drip irrigation zone of annular ridge 10-6 and annular labyrinth moulding ring 10-5 bossing and flexible pressure roller pressing semi-molten state.
Rotational forming wheel 10-10 other position of inner surface and vacuum chamber 10-9-1 isolate, and do not form vacuum condition, and contact with fixation hollow axle external diameter surface, and water flowing cooling surface and appearance generating surface distance are 13～15mm, are convenient to briquetting roller and cool off fast.
The labyrinth groove 10-5-3 of labyrinth moulding ring 10-5 can be carved into arbitrary shape by the hydraulic performance requirement.After rotational forming wheel 10-10 inlayed labyrinth moulding ring, moulding ring external diameter was identical with the annular ridge external diameter.
Vacuum chamber 10-9-1 shown in Figure 7 is connected with hollow shaft 10-11 through the transition conduit 10-8 that bleeds, and hollow shaft one end blocks, and an end connects bleeding point 10-1, and bleeding point is connected with vavuum pump 30 through vacuum exhaust pipe 23, vacuum suction valve 28.
Shown in Figure 11, fixation hollow axle 10-11, fixedly water jacket 10-9 and end cap 10-4,10-12 constitute cold water cavity 10-7, and cooling water intake 10-3-1 and delivery port 10-3-2 are set on the end cap.
The process equipment of described blown film formula vacuum heat-sealing drip irrigation zone, described cutting cutter 19 swords with become 100～120 to spend angles above the plastic tab.
When equipment was installed, clockwise 10～12 degree in the center of flexible pressure roller cylindrical and format roll water-cooled axle sleeve vacuum chamber were tangent.
The operation principle of the process equipment of this blown film formula vacuum heat-sealing drip irrigation zone comprises:
A, batching: after by weight proportion raw material being mixed, insert extruder I 31, the elevating hopper of extruder II 32 and extruder III 33;
B, extrude: extrude three kinds of semi-molten state plastic blister that the material color is different, be compounded to form three layers of composite membranes bubble 20 at die orifice;
C, blown film: the gap of adjustment blown film die head 6 outlets blows out the film bubble, and upwards traction makes the film bubble extruded flatten gradually from circle through chevron shaped nip rolls group 21, becomes two thin slices that the side connects together;
Concrete operations be with double-deck thin slice by shown in Figure 1, pass the space between flexible pressure roller 8 and the water-cooled vacuum forming roller 10, walk around idler roller 11,12,13 and nip rolls 14 after, be wrapped in and twine on the axle 15; Strengthen the compressed air valve then, the blown film bubble.
Two plastic tabs that D, drip irrigation zone moulding: step C obtain are by the gravity space between flexible pressure roller 8 and the water-cooled vacuum forming roller 10 of hanging down; Under flexible pressure roller and format roll pressing cooling effect; One side needs the bonding rapid pressing in position with two-layer semi-molten state plastic tab; Lean on vacuum draw simultaneously, the crossing aquaporin and go out water maze of many drip irrigation zones of moulding;
E, cutting: whole plastic tab of moulding is cut into the wall scroll drip irrigation zone simultaneously through idler roller 11,12,13, passes through nip rolls 14 then, be wrapped in again and twine on the axle 15, every drip irrigation zone after the cutting is all fully flattened.
Foregoing description only proposes as the processing method and the enforceable technical scheme of equipment of a kind of blown film formula of the utility model vacuum heat-sealing drip irrigation zone, and conduct is not to its structure or technology limitation condition.
Claims (9)
1. the process equipment of blown film formula vacuum heat-sealing drip irrigation zone; It is characterized in that; The inflation film manufacturing machine that this equipment is made up of extruder I, extruder II and extruder III; Be arranged at 3～5 pairs of chevron shaped nip rolls groups (21) that relative film bubble center line symmetry is installed of three layers of compound blown film die head (6) top, be arranged at the flexible pressure roller (8) and the water-cooled vacuum forming roller (10) of nip rolls top, and the idler roller (11,12,13) that is set in turn in the shaping station rear; Be arranged at the cutting cutter (19) between the idler roller, be arranged at the flattening wheel (14) at cutting station rear and twine axle (15) and form.
2. the process equipment of blown film formula vacuum heat-sealing according to claim 1 drip irrigation zone; It is characterized in that; Described water-cooled vacuum forming roller (10) is sleeved on the fixation hollow axle (10-11) by rotational forming wheel (10-10) to be formed; Around hollow shaft fixedly water jacket (10-9) formation cold water cavity (10-7) is set, axially is provided with vacuum chamber (10-9-1) between hollow shaft and the rotational forming wheel, during work; End face ratchet through sprocket wheel (10-14) and rotational forming wheel end face ratchet engagement, driven rotary briquetting roller (10-10) serve as a rotation with fixing water jacket (10-9).
3. the process equipment of blown film formula vacuum heat-sealing according to claim 2 drip irrigation zone; It is characterized in that; Described rotational forming wheel (10-10) outer surface is provided with the annular ridge (10-6) of constant spacing vertically, annular groove and the through hole of bleeding (10-5-2) that is uniformly distributed with, and inlaying cross section in the annular groove is the annular labyrinth moulding ring (10-5) of rectangle; After rotational forming wheel (10-10) was inlayed labyrinth moulding ring, moulding ring external diameter was identical with the annular ridge external diameter.
4. the process equipment of blown film formula vacuum heat-sealing according to claim 3 drip irrigation zone; It is characterized in that; Described every moulding ring outer surface along the circumferential direction is carved with N organizes equally spaced labyrinth groove (10-5-3); Bottom portion of groove is provided with the bleed through hole (10-5-2) of through hole (10-5-1) and rotational forming wheel of labyrinth and is communicated with; When the through hole of bleeding rotates to vacuum chamber (10-9) position of water-cooled axle, form vacuum condition, the rotational forming wheel outer surface between annular ridge (10-6) and labyrinth moulding ring (10-5) aspirates out the drip irrigation zone and crosses aquaporin (10-5-5); The groove in the labyrinth (10-5-3) locates to aspirate out water maze, simultaneously annular ridge (10-6) and annular labyrinth moulding ring (10-5) bossing pressing drip irrigation zone.
5. the process equipment of blown film formula vacuum according to claim 3 heat-sealing drip irrigation zone is characterized in that, said rotational forming wheel is gone up the through hole of bleeding (10-5-2) that is provided with greater than the labyrinth of the labyrinth moulding ring setting through hole (10-5-1) of bleeding.
6. the process equipment of blown film formula vacuum heat-sealing according to claim 2 drip irrigation zone; It is characterized in that; Said vacuum chamber (10-9-1) is connected with hollow shaft (10-11) through the transition conduit of bleeding (10-8); Hollow shaft one end blocks, and an end connects bleeding point (10-1), and bleeding point is connected with vavuum pump (30) through vacuum exhaust pipe (23), vacuum suction valve (28).
7. the process equipment of blown film formula vacuum heat-sealing according to claim 2 drip irrigation zone; It is characterized in that; Said rotational forming wheel other position of (10-10) inner surface and vacuum chamber (10-9-1) are isolated, and do not form vacuum condition, and contact with fixation hollow axle (10-11).
8. the process equipment of blown film formula vacuum heat-sealing according to claim 2 drip irrigation zone; It is characterized in that; Said fixation hollow axle (10-11) constitutes cold water cavity (10-7) with end cap (10-4,10-12), and cooling water intake (10-3-1) and delivery port (10-3-2) are set on the end cap.
9. the process equipment of blown film formula vacuum according to claim 1 heat-sealing drip irrigation zone is characterized in that, described cutting cutter (19) sword with become 100～120 to spend angles above the drip irrigation zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201389682U CN202097972U (en) | 2011-05-05 | 2011-05-05 | Device for processing film-blowing type vacuum heat-sealing drip irrigation tapes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201389682U CN202097972U (en) | 2011-05-05 | 2011-05-05 | Device for processing film-blowing type vacuum heat-sealing drip irrigation tapes |
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| CN202097972U true CN202097972U (en) | 2012-01-04 |
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|---|---|---|---|
| CN2011201389682U Expired - Fee Related CN202097972U (en) | 2011-05-05 | 2011-05-05 | Device for processing film-blowing type vacuum heat-sealing drip irrigation tapes |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205645A (en) * | 2011-05-05 | 2011-10-05 | 中国科学院遗传与发育生物学研究所 | Method and device for machining film-blowing type vacuum heat-sealing drip irrigation belts |
| CN102218821A (en) * | 2011-05-05 | 2011-10-19 | 中国科学院遗传与发育生物学研究所 | Blow film type processing equipment for heat-sealing of drip irrigation pipe in vacuum |
| CN111169027A (en) * | 2020-01-09 | 2020-05-19 | 苏州惠国塑料制品有限公司 | PE film efficient blow molding production line |
| CN114311604A (en) * | 2022-02-11 | 2022-04-12 | 贺瑞峰 | Damping type traction mechanism for drip irrigation tape production |
-
2011
- 2011-05-05 CN CN2011201389682U patent/CN202097972U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102205645A (en) * | 2011-05-05 | 2011-10-05 | 中国科学院遗传与发育生物学研究所 | Method and device for machining film-blowing type vacuum heat-sealing drip irrigation belts |
| CN102218821A (en) * | 2011-05-05 | 2011-10-19 | 中国科学院遗传与发育生物学研究所 | Blow film type processing equipment for heat-sealing of drip irrigation pipe in vacuum |
| CN102218821B (en) * | 2011-05-05 | 2013-06-12 | 中国科学院遗传与发育生物学研究所 | Blow film type processing equipment for heat-sealing of drip irrigation pipe in vacuum |
| CN111169027A (en) * | 2020-01-09 | 2020-05-19 | 苏州惠国塑料制品有限公司 | PE film efficient blow molding production line |
| CN111169027B (en) * | 2020-01-09 | 2021-10-26 | 苏州惠国塑料制品有限公司 | PE film efficient blow molding production line |
| CN114311604A (en) * | 2022-02-11 | 2022-04-12 | 贺瑞峰 | Damping type traction mechanism for drip irrigation tape production |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20140505 |