CN220280416U - Patch drip irrigation zone production line - Google Patents
Patch drip irrigation zone production line Download PDFInfo
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- CN220280416U CN220280416U CN202321467866.4U CN202321467866U CN220280416U CN 220280416 U CN220280416 U CN 220280416U CN 202321467866 U CN202321467866 U CN 202321467866U CN 220280416 U CN220280416 U CN 220280416U
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 39
- 230000002262 irrigation Effects 0.000 title claims abstract description 34
- 238000003973 irrigation Methods 0.000 title claims abstract description 34
- 238000007599 discharging Methods 0.000 claims abstract description 31
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 239000013049 sediment Substances 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 13
- 238000007493 shaping process Methods 0.000 claims abstract description 12
- 238000010030 laminating Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 239000002893 slag Substances 0.000 claims description 21
- 239000000956 alloy Substances 0.000 claims description 18
- 229910045601 alloy Inorganic materials 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000001914 filtration Methods 0.000 claims description 14
- 230000007547 defect Effects 0.000 claims description 10
- 241001233242 Lontra Species 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 7
- 238000005192 partition Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000005485 electric heating Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 2
- 238000010924 continuous production Methods 0.000 abstract description 3
- 239000006096 absorbing agent Substances 0.000 abstract 2
- 238000004804 winding Methods 0.000 description 7
- 238000000465 moulding Methods 0.000 description 6
- 239000002994 raw material Substances 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 239000012745 toughening agent Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to a patch drip irrigation belt production line, which comprises a material mixer, a single-screw extruder and a patch feeding bin, wherein an outlet of the material mixer is connected with a mixing bin, the mixing bin is connected with a feeding hole of a vacuum material absorber, and a discharging hole of the vacuum material absorber is connected with a feeding hole of the single-screw extruder; still including two export sediment dies, two export sediment dies feed inlet are connected with single screw extruder feed opening, and sediment die first discharge gate and second discharge gate are the connector die shaper respectively, set up in the die shaper shaping pipe and send the piece laminating thimble, send the piece laminating thimble to send track and paster feed bin intercommunication through the wind, and die shaper shaping mouth rear is provided with the cooling tank. The utility model improves productivity, saves labor, improves production efficiency and realizes continuous production.
Description
Technical Field
The utility model relates to the technical field of drip irrigation tape production equipment, in particular to a patch drip irrigation tape production line.
Background
The maximum productivity per minute of the production line of the inlaid patch drip irrigation belts in China is 260 meters, and the daily output is about 2.8 tons. The drip irrigation belt production line equipment mainly comprises: single screw extruder (host), auxiliary machine and winding machine. The basic structure of the single screw extruder is as follows: five parts of a transmission device, a feeding device, a machine barrel, a screw, a die head and a mouth die.
At present, the defect of the patch production line is that the required parameters are higher, the productivity is low, the labor is more, the cost of the produced product is high, and the market competitiveness is insufficient.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a patch drip irrigation tape production line which can improve productivity, save labor and realize continuous production.
The utility model is realized by the following technical scheme:
the patch drip irrigation belt production line comprises a mixer, a single-screw extruder and a patch feeding bin, wherein an outlet of the mixer is connected with a mixing bin, the mixing bin is connected with a feed inlet of a vacuum suction machine through a spiral steel wire pipe, and a discharge outlet of the vacuum suction machine is connected with a feed inlet of the single-screw extruder;
still include two export sediment dies, the feed inlet of two export sediment dies is connected with single screw extruder's feed opening, and the first discharge gate and the second discharge gate of sediment die head are the connector die shaper respectively, are provided with in the shaping pipe of die shaper and send the piece laminating thimble, send the piece laminating thimble to send track and paster feeding bin intercommunication through the wind, and the shaping mouth rear of die shaper has set gradually negative pressure design cooling tank and ordinary pressure cooling tank.
Further, the patch feeding bin is connected with a disc selecting machine through a feeding belt, and the disc selecting machine is provided with two selecting outlets and is respectively connected with an air conveying track.
The double-outlet disc sheet selecting machine can simultaneously convey the patches in two paths, and is matched with the double-outlet slag discharging die head to carry out the patches, so that the patch efficiency is improved, the patches can be screened by the disc sheet selecting machine, and the patches can be fed into the pneumatic conveying track after being selected from the front, the back, the front and the back four sides, so that the patch quality is ensured.
Further, the device also comprises a PLC controller which is electrically connected with the mixer, the single screw extruder and the vacuum material sucking machine respectively.
The PLC controller can be used for controlling the whole operation of the production line, realizing dynamic management and adjusting the working state of each device, and ensuring the stability of the whole operation.
Further, a tractor, a puncher, an elastic tensioning device and a quantitative automatic reel-changing winder are sequentially arranged at the rear of the normal-pressure cooling water tank.
The traction machine can traction and move the cooled drip irrigation belt into the puncher for punching, and the cooled drip irrigation belt is tensioned by the elastic tensioning device and then fed into the winding machine for winding.
Further, the puncher is provided with a drip irrigation belt punching quality defect detection device and an alarm device.
The perforation quality defect detection device can detect perforation of the perforating machine, when the defect occurs, the alarm device is triggered to alarm, and workers are reminded of timely solving the problem.
Further, the inside main cavity that is equipped with of two export sediment dies head, the heating pipe is installed to the inner wall of main cavity, the front portion of main cavity is uncovered to have the head through bolted connection, the feed inlet that is connected with single screw extruder feed opening has been seted up at the center of head, the main cavity is divided into the cushion chamber at front portion and the filter chamber at rear portion through filtering the bottom plate, two filter chambers that set up about through with filtering the bottom plate vertically baffle partition in the filter chamber, filtering the bottom plate and installing the millipore alloy otter board respectively corresponding first filter chamber and second filter chamber, filtering the bottom plate and alloy otter board and all rotating and installing the transmission shaft corresponding two filter chambers, the S type scraper is installed to the one end of transmission shaft in the cushion chamber, the other end of transmission shaft runs through main cavity and connects drive arrangement, the sediment pipe of arranging the sediment mouth and connecting and installing automatically controlled pressure valve is seted up respectively in S type scraper below to the cushion chamber bottom surface, the discharge gate is all seted up to every filter chamber' S side and the discharging pipe of installing automatically controlled ball valve is connected.
The double-outlet slag discharging die head realizes automatic slag discharging without screen changing on line, replaces the mode of manual screen changing which needs to be stopped, saves the labor cost of manual screen changing, saves the cost of net materials, continuously discharges slag by matching the alloy microporous screen plate with the S-shaped scraper cleaning filter screen, can avoid the influence on production caused by stopping caused by manual screen changing, realizes continuous production and improves the production efficiency; the method also realizes the mode that one production line can output two soft belts, namely a die head filtering and purifying mode of one inlet and two outlets, and the bottleneck problem of low filtering yield is solved from the original filtering mode, so that the bottleneck problem that the original production line can only output 1 soft belt is replaced, and the yield is improved by 1 time.
Furthermore, a plurality of electric heating rods are embedded and installed in the side wall, the bottom wall and the partition plate of the main cavity.
The heating rods are arranged in the side wall, the bottom wall and the partition plate of the main cavity and used for heating and maintaining the plasticized raw materials in a blocking state.
Preferably, a cylindrical heating ring is sleeved outside the discharging pipe, and a spherical heating ring is sleeved outside the electric control ball valve; cylindrical heating rings are respectively sleeved outside the slag discharging pipe and the slag discharging valve.
Through setting up cylindric heating ring and spherical heating ring, keep warm discharging pipe, scum valve and automatically controlled ball valve respectively, guarantee raw materials temperature, keep the raw materials in the state of flowing.
Furthermore, a temperature sensor and a pressure sensor are embedded in the main cavity.
The temperature sensor and the pressure sensor can be used for monitoring the temperature and the pressure value in the main cavity respectively, can transmit data to a controller of the screw extruder, and can control the temperature and the pressure output of the screw extruder according to actual data.
Further, an alloy spring capable of adjusting the attaching tightness is arranged between the scraper and the microporous alloy screen plate, and the end part of the transmission shaft locks the scraper through a fastening nut.
Through setting up alloy spring, can realize the self-adaptation between scraper and the millipore alloy otter board and paste tightly, through adjusting the laminating elasticity of scraper and millipore alloy otter board in order to guarantee the scraping effect of scraper to impurity on the otter board.
The utility model has the beneficial effects that:
the production line is designed into a double-outlet mode, and the left and right double-outlet modes of the disc sheet selecting machine are matched with the air conveying rail and the two discharge holes of the double-outlet slag discharging die head to realize patch bonding in the die shaper, so that breakthrough of 1-to-2 production can be realized on the production capacity of drip irrigation tape equipment, and the production cost of the drip irrigation tape can be reduced greatly fundamentally. Improving the competitive power of the drip irrigation belt production line equipment which is independently researched and developed in China in the international market.
The screen-change-free die head adopts a buffering constant-pressure automatic deslagging screen-change-free die head, can extrude bidirectionally, ensures that the raw material adhesion state, the pressure density and the like are constant, and the PLC can independently adjust the extrusion speed and the pressure of a single whole system according to a single feedback signal without affecting the output quality of another drip irrigation tape. Solves the problems of low yield and low efficiency of the drip irrigation belt production line on the whole, reduces the labor investment, and reduces the labor cost and the production cost of the drip irrigation belt.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a top view of fig. 1.
FIG. 3 is a schematic diagram of a dual outlet deslagging die head.
Fig. 4 is a top cross-sectional view of fig. 3.
The figure shows:
1. the device comprises a mixer, 2, a mixing bin, 3, a patch feeding bin, 4, a disc selecting machine, 5, a speed reducer, 6, a vacuum suction machine, 7, an air delivery track, 8, a single screw extruder, 9, a double-outlet slag discharge die head, 10, a sheet delivery attaching thimble, 11, a die former, 12, a negative pressure shaping cooling tank, 13, an atmospheric cooling tank, 14, a tractor, 15, a puncher, 16, a drip irrigation belt perforation quality defect detection device, 17, an elastic tensioning device, 18, a quantitative automatic reel changing winder, 19, a PLC controller, 20, a feed inlet, 21, a pressure sensor, 22, a temperature sensor, 23, a wiring terminal, 24, a heating rod, 25, a sealing head, 26, a bolt hole, 27, a discharge port, 28, a slag discharge valve, 29, a spiral cylinder flange, 30, a main cavity, 31, a spherical heating ring, 32, an electric control ball valve, 33, a cylindrical heating ring, 34, an S-shaped scraper, 35, an alloy screen, 36, a servo motor, 37, a speed reducer, 38, a transmission shaft, 39, a fastening nut, 40, a spring, 41, a bottom plate, 42, a filter cavity, a buffer cavity, 43, a buffer cavity and a buffer cavity 45.
Detailed Description
In order to clearly illustrate the technical characteristics of the scheme, the scheme is explained below through a specific embodiment.
A patch drip irrigation belt production line comprises a mixer 1, a single screw extruder 8 and a patch feeding bin 3, wherein an outlet of the mixer 1 is connected with a mixing bin 2, the mixing bin 2 is connected with a feeding hole of a vacuum suction machine 6 through a spiral steel wire pipe, and a discharging hole of the vacuum suction machine 6 is connected with a feeding hole of the single screw extruder 8. In order to realize the automatic operation of the production line, the automatic production line further comprises a PLC (programmable logic controller) 19, wherein the PLC 19 is electrically connected with the mixer 1, the single-screw extruder 8 and the vacuum suction machine 6 respectively.
As shown in fig. 3, the patch drip irrigation belt production line further comprises a double-outlet slag discharging die head 9, a feeding hole of the double-outlet slag discharging die head 9 is connected with a discharging hole of the single-screw extruder 8, a first discharging hole and a second discharging hole of the slag discharging die head 9 are respectively connected with a die shaper 11, a sheet feeding laminating thimble 10 is arranged in a shaping pipe of the die shaper 11, the sheet feeding laminating thimble 10 is communicated with the patch feeding bin 3 through an air feeding track 7, the patch feeding bin 3 is connected with the disc sheet selecting machine 4 through a feeding belt, and the disc sheet selecting machine 4 is provided with two material selecting outlets and is respectively connected with the air feeding track 7.
A negative pressure shaping cooling tank 12 and a normal pressure cooling tank 13 are sequentially arranged behind the shaping port of the die shaper 11. The negative pressure shaping cooling tank 12 is provided with an air cooling device and a water cooling device, the normal pressure cooling tank 13 is provided with a water cooling device, and a tractor 14, a perforating machine 15, an elastic tensioning device 17 and a quantitative automatic reel-changing winder 18 are sequentially arranged behind the normal pressure cooling tank 13. The puncher 15 is provided with a drip irrigation tape perforation quality defect detection device 16 and an alarm device.
Wherein: the inside of the double-outlet slag discharging die head 9 is provided with a main cavity, and a plurality of electric heating rods 24 are embedded and installed in the side wall, the bottom wall and the partition plate of the main cavity. A temperature sensor 21 and a pressure sensor 22 are embedded in the main cavity and can be electrically connected with the PLC controller 19.
The front part of the main cavity is opened and is connected with the seal head 25 through a bolt, a feed inlet connected with a feed opening of the single screw extruder 8 is formed in the center of the seal head 25, the main cavity is divided into a front buffer cavity 45 and a rear filter cavity 44 through a filter bottom plate 42, the filter cavity 44 is divided into two filter cavities 44 which are arranged left and right through a partition plate 43 perpendicular to the filter bottom plate 42, the filter bottom plate 43 is respectively provided with a micropore alloy screen plate 35 corresponding to the two filter cavities 44, the filter bottom plate 43 and the alloy screen plate 35 are respectively provided with a transmission shaft 38 in a rotating mode corresponding to the two filter cavities 44, one end of the transmission shaft 38 in the buffer cavity 44 is provided with an S-shaped scraper 34, an alloy spring 40 capable of adjusting fit tightness is arranged between the scraper 34 and the micropore alloy screen plate 35, and the end of the transmission shaft 38 is locked with the scraper 34 through a fastening nut 39. The other end of the transmission shaft 38 penetrates through the main cavity and is connected with a driving device, the driving device is a servo motor 36 and a speed reducer 37, the bottom surface of a buffer cavity 45 is provided with a slag discharging port below the S-shaped scraper 34 and is connected with a slag discharging pipe 28 provided with an electric control pressure slag discharging valve, and the side surface of each filter cavity 44 is provided with a discharge port 27 and is connected with a discharge pipe provided with an electric control ball valve 32.
A cylindrical heating ring 33 is sleeved outside the discharging pipe, and a spherical heating ring 31 is sleeved outside the electric control ball valve 32; the slag discharging pipe and the slag discharging valve are respectively sleeved with a cylindrical heating ring 33.
The working principle of the utility model is as follows:
the regenerated plastic particles, the toughening agent and the color master are put into the mixing bin 2 from the feeding port of the mixing bin 1 according to a certain proportion, uniformly mixed by the mixing bin 1, fed into the feeding port of the single screw extruder 8 from the feeding port of the mixing bin 2 through the vacuum suction machine 6, fed into the single screw extruder 8 for plasticizing, fed into the double-outlet slag discharging die head 9 for filtering and splitting, respectively discharged from the two filtering cavities 44 on two sides from the discharging pipe after being filtered by the filtering bottom plate 42 and the alloy screen 35 in the buffer cavity 45, discharged into the mouth die shaper 11 on two sides by the outlet, extruded by the forming pipe of the mouth die shaper 11 by the electric control ball valve 32, fed into the disc sheet selecting machine 4 from the feeding belt by the feeding bin 3, fed into the air feeding tracks 7 on two sides respectively after being selected by the disc sheet selecting machine 4, fed into the mouth die 11 from the outlets on two sides after being selected by the front, fed into the mouth die shaping machine 10 by the air feeding tracks 7 and fed into the mouth die 11 from the mouth die 11 and fed out of the mouth die strip can be jointed with the mouth die strip.
At this time, in an initial state of drip irrigation belt molding, the patches are attached to the drip irrigation belt and then enter a molding opening, the patches enter a negative pressure molding cooling tank 12 after entering a negative pressure hollow pipe molding, and enter a normal pressure water cooling tank 13 after molding, the non-perforated patch drip irrigation belt is molded after cooling and molding, then the perforation machine 15 is pulled to perform perforation consistent with the patch interval parameters by a traction machine 14 with synchronous parameters set by a die shaper 11 and a single screw extruder 8, and the perforation speed, the patch distance and the perforation distance are uniformly adjusted and matched by a PLC (programmable logic controller) 19. After the holes are drilled, the drip irrigation tape which is intelligently detected by the drip irrigation tape perforation quality defect detection device 16 and is not abnormally alarmed is a qualified drip irrigation tape product, the qualified drip irrigation tape enters the elastic tensioning device 17 to be tensioned after being drilled and then enters the quantitative automatic reel changing and winding machine 18, and the quantitative automatic reel changing and winding machine 18 intelligently adjusts winding parameters according to winding diameters and lengths to be matched with the forming basic speed of the front end, so that reels can be automatically changed every 2000 meters.
Wherein mixer 1, single screw extruder 8, paster go up feed bin 3, negative pressure design cooling tank 12, ordinary pressure cooling tank 13, tractor 14, puncher 15, elasticity overspeed device tensioner 17, ration automatic reel change rolling machine 18, drip irrigation zone perforation quality defect detection device 16, alarm device and PLC controller 19 that use in this application are prior art product, and its specific structure is common sense, and is not repeated here.
The design of this production line belongs to two modes of going out, and the disc selection mascerating machine adopts about two modes of going out, and the cooperation is two to go out the automatic sediment of constant voltage of arranging the sediment die head and is exempted from to trade net and two-way extrusion, makes constant such as raw materials adhesion state and pressure density invariable to the interface mould, and the PLC controller can carry out single overall system's extrusion speed and pressure adjustment alone according to single feedback signal and does not influence the output quality of another drip irrigation zone, has solved the problem that the drip irrigation zone production line productivity of prior art is low, the manual input leads to the product cost high more.
Of course, the above description is not limited to the above examples, and the technical features of the present utility model that are not described may be implemented by or by using the prior art, which is not described herein again; the above examples and drawings are only for illustrating the technical scheme of the present utility model and not for limiting the same, and the present utility model has been described in detail with reference to the preferred embodiments, and it should be understood by those skilled in the art that changes, modifications, additions or substitutions made by those skilled in the art without departing from the spirit of the present utility model and the scope of the appended claims.
Claims (10)
1. A paster drip irrigation zone production line which characterized in that: the device comprises a mixer, a single screw extruder and a patch feeding bin, wherein an outlet of the mixer is connected with a mixing bin, the mixing bin is connected with a feeding hole of a vacuum suction machine through a spiral steel wire pipe, and a discharging hole of the vacuum suction machine is connected with a feeding hole of the single screw extruder;
still include two export sediment dies, the feed inlet of two export sediment dies is connected with single screw extruder's feed opening, and the first discharge gate and the second discharge gate of sediment die head are the connector die shaper respectively, are provided with in the shaping pipe of die shaper and send the piece laminating thimble, send the piece laminating thimble to send track and paster feeding bin intercommunication through the wind, and the shaping mouth rear of die shaper has set gradually negative pressure design cooling tank and ordinary pressure cooling tank.
2. The patch drip tape production line according to claim 1, wherein: the patch feeding bin is connected with a disc selecting machine through a feeding belt, and the disc selecting machine is provided with two selecting outlets and is respectively connected with an air conveying track.
3. The patch drip tape production line according to claim 1, wherein: the device also comprises a PLC controller which is electrically connected with the mixer, the single screw extruder and the vacuum material sucking machine respectively.
4. The patch drip tape production line according to claim 3, wherein: the rear of the normal pressure cooling water tank is provided with a tractor, a puncher, an elastic tensioning device and a quantitative automatic reel-changing winder in sequence.
5. The patch drip tape production line according to claim 3, wherein: the puncher is provided with a drip irrigation belt perforation quality defect detection device and an alarm device.
6. The patch drip tape production line according to claim 2, wherein: the inside main cavity that is equipped with of two export sediment dies heads, the heating pipe is installed to the inner wall of main cavity, the front portion of main cavity is uncovered to have the head through bolted connection, the feed inlet that is connected with single screw extruder feed opening has been seted up at the center of head, the main cavity is divided into the cushion chamber at front portion and the filter chamber at rear portion through filtering the bottom plate, two filter chambers that set up for controlling through separating with filtering bottom plate vertically baffle in the filter chamber, filtering bottom plate corresponds first filter chamber and second filter chamber and installs the micropore alloy otter board respectively, filtering bottom plate and alloy otter board correspond two filter chambers and all rotate and install the transmission shaft, the S type scraper is installed to the one end of transmission shaft in the cushion chamber, the other end of transmission shaft runs through main cavity and connects drive arrangement, the sediment mouth has been seted up respectively in S type scraper below to the cushion chamber bottom surface and is connected the sediment pipe of installing automatically controlled pressure sediment valve, the discharge gate is all seted up to the side of every filter chamber and is connected the discharging pipe of installing automatically controlled ball valve.
7. The patch drip tape production line according to claim 6, wherein: the side wall, the bottom wall and the partition plate of the main cavity are embedded with a plurality of electric heating rods.
8. The patch drip tape production line according to claim 6, wherein: a cylindrical heating ring is sleeved outside the discharging pipe, and a spherical heating ring is sleeved outside the electric control ball valve; cylindrical heating rings are respectively sleeved outside the slag discharging pipe and the slag discharging valve.
9. The patch drip tape production line according to claim 6, wherein: a temperature sensor and a pressure sensor are embedded in the main cavity.
10. The patch drip tape production line according to claim 6, wherein: an alloy spring with adjustable attaching tightness is arranged between the scraper and the microporous alloy screen plate, and the end part of the transmission shaft is locked with the scraper through a fastening nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321467866.4U CN220280416U (en) | 2023-06-09 | 2023-06-09 | Patch drip irrigation zone production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321467866.4U CN220280416U (en) | 2023-06-09 | 2023-06-09 | Patch drip irrigation zone production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220280416U true CN220280416U (en) | 2024-01-02 |
Family
ID=89326217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321467866.4U Active CN220280416U (en) | 2023-06-09 | 2023-06-09 | Patch drip irrigation zone production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220280416U (en) |
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2023
- 2023-06-09 CN CN202321467866.4U patent/CN220280416U/en active Active
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