CN115285609A - Solar water tank accumulating production line - Google Patents
Solar water tank accumulating production line Download PDFInfo
- Publication number
- CN115285609A CN115285609A CN202211113763.8A CN202211113763A CN115285609A CN 115285609 A CN115285609 A CN 115285609A CN 202211113763 A CN202211113763 A CN 202211113763A CN 115285609 A CN115285609 A CN 115285609A
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- Prior art keywords
- water tank
- conveying
- area
- production line
- stacking
- 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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Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 238000005187 foaming Methods 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 238000004806 packaging method and process Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 230000007306 turnover Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims abstract description 3
- 238000005192 partition Methods 0.000 claims description 6
- 238000003860 storage Methods 0.000 claims description 6
- 230000001050 lubricating effect Effects 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 12
- 238000009825 accumulation Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000013012 foaming technology Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
- B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
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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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/88—Separating or stopping elements, e.g. fingers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a solar water tank accumulation production line which comprises a conveying track, an accumulation conveying vehicle, a mechanical arm and a PLC (programmable logic controller) control system, wherein the accumulation conveying vehicle runs on the conveying track and is divided into six areas, namely a water tank pre-installation area, a water tank preheating area, a foaming liquid injection area, a water tank constant-temperature area, a finished water tank conveying area and a water tank packaging area; the stacking and placing conveying vehicle is internally provided with a pair of water tank supporting baffle plates and a moving mechanism for moving the water tank supporting baffle plates, the middle of the stacking and placing conveying vehicle is also provided with a turnover dividing baffle plate, the bottom of the stacking and placing conveying vehicle is provided with a pulley, and the pulley runs along with a slide rail arranged in a conveying track. The whole process flow line is reasonable in layout and compact in structure, the horizontal dual-purpose stacking and conveying vehicle is adopted, one long water tank or two short water tanks can be carried at a time, horizontal one-time foaming is adopted, waste caused by foaming surface crusting is reduced, the problem of non-uniformity of foaming materials is solved, foaming materials are saved, and the heat insulation quality of products is improved.
Description
Technical Field
The invention relates to the field of solar energy, in particular to a solar water tank accumulating production line.
Background
At present, the solar water heater is widely applied, the quality of a water tank of the solar water heater is in foaming, and a good foaming technology can enable the heat preservation effect of the solar water tank to reach the best. The existing vertical foaming production line for the solar water tank is generally an annular track, the existing production line capable of realizing horizontal material filling of the solar water tank is improved on the basis of the vertical foaming production line, a tooling vehicle is mainly improved and is divided into a base and a water tank fixing device, and the water tank fixing device can rotate for 90 degrees around the base to realize horizontal and vertical conversion, so that the horizontal material filling is realized. Although the foaming quality is improved by realizing transverse material injection, the turnover is mostly operated by manpower, the labor intensity is high, the working efficiency is low, and the automatic production is difficult to realize. The existing tool has certain limitation on the length of the water tank, is inconvenient to install and fix, is vertical to foam in a multi-injection mode, and is uneven in foaming material, so that the density difference of a foaming layer of a product is large, and the quality of the product is difficult to guarantee. The operation of workers is very inconvenient, and the raw materials are wasted greatly.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a solar water tank accumulating production line, the whole process flow line is reasonable in layout and compact in structure, a horizontal dual-purpose accumulating conveying vehicle is adopted, one long water tank or two short water tanks can be carried at a time, horizontal one-time foaming is adopted, waste caused by foaming surface skinning is reduced, the problem of non-uniformity of foaming materials is solved well, foaming materials are saved, and the heat insulation quality of products is improved.
The technical scheme adopted by the invention for solving the technical problem is as follows: a solar water tank accumulation production line comprises a conveying track, an accumulation conveying vehicle, a manipulator and a PLC control system, wherein the accumulation conveying vehicle runs on the conveying track and is divided into six areas, namely a water tank pre-installation area, a water tank preheating area, a foaming liquid injection area, a water tank constant-temperature area, a finished water tank conveying area and a water tank packaging area; the stacking and placing conveying vehicle is internally provided with a pair of water tank supporting baffle plates and a moving mechanism for moving the water tank supporting baffle plates, the middle of the stacking and placing conveying vehicle is also provided with a turnover dividing baffle plate, the bottom of the stacking and placing conveying vehicle is provided with a pulley, and the pulley runs along with a slide rail arranged in a conveying track.
Preferably, the moving mechanism comprises an electric friction wheel, a screw rod, a motor and an adjusting hand wheel.
Preferably, the dividing baffle comprises two back-to-back support plates, and an arc-shaped support plate matched with the water tank is arranged on the outer side of each support plate; the bottom of the partition baffle is fixed with the frame, and a turning rotating shaft is arranged between the bottom of the partition baffle and the frame, so that 90-degree turning is realized.
As a further improvement, the bearing frame at the bottom of the power and free delivery wagon is a gas storage bearing frame and is provided with a gas pipe connector.
As a further improvement, an automatic lubricating device and an automatic tensioning mechanism are further arranged on the conveying track.
Preferably, the robot includes a pre-load zone robot and a product transfer zone robot.
Preferably, the temperature of the preheating zone of the water tank is 35-45 ℃, and the preheating time is 15 minutes.
Preferably, the water tank packing area comprises two packing lines.
Preferably, the PLC control system includes a power supply cabinet, a control unit, an actuator, and a switching element.
The invention is provided with detection switches on the driving device and the tensioning device for protecting the motor and the chain. The driving device is provided with an overload protection switch which acts when the motor is overloaded to stop the motor. To achieve manual operation and some functions of the device requires some control panels and operation boxes on the conveyor line. The emergency stop button is arranged on the operating platform, so that the emergency stop button is actuated to control the emergency stop button of the corresponding conveying chain to stop the conveying chain when the conveying chain is required to be stopped emergently. And after the fault is eliminated, the emergency stop button is released, the fault reset button is pressed, and the conveying chain needs to be restarted to operate.
The horizontal double-purpose accumulating and conveying vehicle has the advantages that the whole process flow line is reasonable in layout and compact in structure, the horizontal double-purpose accumulating and conveying vehicle is adopted, one long water tank or two short water tanks can be carried at one time, horizontal one-time foaming is adopted, compared with multiple injection type foaming, waste caused by foaming surface skinning is reduced, the problem of non-uniformity of foaming materials is solved well, foaming materials are saved, and the heat insulation quality of products is improved.
The effect of adopting horizontal double-purpose power and free delivery wagon is as follows: 1. the baffle is cut apart in the setting upset, and is below 1.8m at solar water heater water tank length, can once only install two and foam, when length exceeded 1.8m, only need cut apart the upset the baffle fall can, compare in traditional foaming process, change the frock, very convenient and fast.
2. The left baffle and the right baffle are arranged, the problem that different diameters of the water tank and different tooling are needed in the traditional foaming process is solved, the design has no limitation on the diameter of the water tank, and the tooling cost and delivery time of products are greatly saved.
3. The electric friction wheel, the screw rod and the adjusting hand wheel are arranged, the problem that different foaming tools need to be replaced when the lengths of the water tanks are different is solved, when production is switched between the long water tank and the short water tank, the electric friction wheel only needs to be started, the distance of the left supporting baffle and the right supporting baffle can be adjusted quickly, and the adjusting hand wheel is only responsible for adjusting the distance of the left baffle and the right baffle accurately.
4. The bottom gas storage bearing frame is arranged, so that the problem that the inner barrel is difficult to inflate in the traditional production process is solved, the problem that the conventional gas storage tank occupies a very wide production equipment space can be solved, and the production capacity per unit area is improved.
Drawings
Fig. 1 is a schematic flow structure diagram according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of the horizontal dual-purpose power and free conveying vehicle.
FIG. 3 is a schematic view of the turning structure of the dividing baffle of the present invention.
Wherein, 1, the water tank supports the baffle; 2. dividing the baffle; 3. an electric friction wheel; 4. a screw rod; 5. adjusting a hand wheel; 6. an arc-shaped support plate; 7. a pulley; 8. gas storage bearing frame.
The invention is further described below with reference to the accompanying drawings.
Detailed Description
As shown in attached figures 1, 2 and 3, the solar water tank accumulating and releasing production line comprises a conveying track, a horizontal dual-purpose accumulating and releasing conveying vehicle, a mechanical arm and a PLC (programmable logic controller) control system, wherein the horizontal dual-purpose accumulating and releasing conveying vehicle runs on the conveying track and is divided into six areas, namely a water tank preassembly area A, a water tank preheating area B, a foaming liquid injection area C, a water tank constant-temperature area D, a finished water tank conveying area E and a water tank assembling area F; the manipulator comprises a preassembly area manipulator and a finished product conveying area manipulator. The water tank packaging area comprises two packaging lines. The power and free conveying vehicle is internally provided with a pair of water tank supporting baffle plates 1 and a moving mechanism for moving the water tank supporting baffle plates 1, and the moving mechanism comprises an electric friction wheel 3, a screw rod 4, a motor and an adjusting hand wheel 5. The middle of the stacking and conveying vehicle is also provided with a turnover dividing baffle 2, the dividing baffle 2 comprises two back-to-back supporting plates, and the outer sides of the supporting plates are provided with arc-shaped supporting plates 6 matched with the water tank; cut apart baffle bottom and fixed with the frame, cut apart and be equipped with the upset pivot between baffle bottom and the frame, realize 90 degrees upsets. And a fixed reinforcing rod is arranged between the two supporting plates to reinforce the bearing force of the water tank. The bottom of the power and free conveying vehicle is provided with a pulley 7, and the pulley 7 runs along with a slide rail arranged in the conveying track. The bearing frame at the bottom of the power and free conveying vehicle is a gas storage bearing frame 8 which is provided with a gas pipe connector.
When the horizontal dual-purpose power and free conveying vehicle is actually used, when the length of a water tank of a solar water heater is below 1.8m, the dividing baffle 6 is erected, and the distance between the water tank supporting baffles 2 on the two sides is adjusted, so that two water tanks can be installed at one time for foaming; when the length exceeds 1.8m, the partition baffle 6 is turned over and laid down, and the distance between the water tank supporting baffle plates 2 on the two sides is adjusted to adapt to a long water tank.
The conveying track is also provided with an automatic lubricating device and an automatic tensioning mechanism. The automatic tensioning device is provided with a detection switch, and when the chain is too loose or too tight, the motor stops running by the action of the switch.
The PLC control system comprises a power supply cabinet, a control unit, an execution element and a switch element.
The 380V/50Hz strong power network power supply provided by the power supply cabinet power supply network is controlled and connected to the motor control main loop through the power supply cabinet main switch. The power supply cabinet is used for providing and distributing power needed by each part and consists of a control loop consisting of a power supply element and a control element. The power supply required by the PLC input/output module is a direct-current 24V power supply supplied by a 220V/50Hz power supply through a regulated power supply. The power supply for PLC is supplied by a single-phase power supply supplied by a 220V/50Hz power supply through an isolation transformer T1. The power supply for the illumination and cooling of the electric cabinet is a single-phase power supply supplied by a 220V/50Hz power supply. The power supply of the conveying chain lubricating device is single-phase power supply supplied by 220V/50Hz power supply. The power socket is supplied by single-phase power supplied by 220V/50Hz power.
The control unit consists of a PLC power module, a CPU, a communication interface module and an input/output module.
Wherein, the executive component includes contactor, relay, solenoid valve and pilot lamp.
Wherein, the switch element is the part of gathering and passing signal, includes: buttons on external sensors, operating panels and control panels, and contactors and relay contacts.
In actual operation, under the condition that the power is switched on, the automatic mode is as follows: pressing a 'conveying line total starting button', starting the conveying equipment to start an indicator lamp to flash, and after starting early warning for five seconds, running the conveying equipment; manual mode: pressing the 'conveying line starting button' starts the conveying line.
The assembled water tank to be foamed is automatically extracted by a manipulator in a preassembling area and is rotated by 90 degrees, a horizontal dual-purpose stacking conveying vehicle is put in, a screw rod 4 and an electric friction wheel 3 are driven by a motor, a left water tank supporting baffle plate and a right water tank supporting baffle plate 1 are clamped tightly, the left water tank supporting baffle plate and the right water tank supporting baffle plate 1 can be finely adjusted by a screw rod adjusting hand wheel 5, and the inner barrel is inflated to the pressure of 0.2 bar. After the completion, the horizontal dual-purpose stacking and conveying vehicle automatically enters a water tank preheating area, the temperature of the water tank preheating area is 35-45 ℃, the preheating time is 15 minutes, the horizontal dual-purpose stacking and conveying vehicle is conveyed to a foaming and liquid injection area, a liquid injection station senses the position of the horizontal dual-purpose stacking and conveying vehicle, a foaming machine automatically injects foaming materials, the horizontal dual-purpose stacking and conveying vehicle automatically enters a constant temperature channel for keeping the temperature constant after the foaming materials are injected, the temperature is 35-45 ℃, the constant temperature is 45 minutes, the constant temperature time is up, the horizontal dual-purpose stacking and conveying vehicle enters an assembling and disassembling station, a tool of the horizontal dual-purpose stacking and conveying vehicle is disassembled, the horizontal dual-purpose stacking and conveying vehicle automatically enters a finished product water tank conveying area, a manipulator of the finished product water tank conveying area senses the horizontal dual-purpose stacking and conveying vehicle, the manipulator automatically grabs the foamed water tank and moves to a moving machine, and the moving machine automatically distributes the foamed water tank to two packaging lines according to the condition of the water tank on the packaging lines.
Claims (9)
1. The utility model provides a long-pending production line of putting of solar energy water tank, includes delivery track, long-pending delivery wagon, manipulator and PLC control system of putting, long-pending delivery wagon of putting moves its characterized in that on delivery track: the system is divided into six areas, namely a water tank pre-installation area, a water tank preheating area, a foaming liquid injection area, a water tank constant-temperature area, a finished product water tank conveying area and a water tank packaging area in sequence; the stacking and conveying trolley is characterized in that a pair of water tank supporting baffle plates (1) and a moving mechanism for moving the water tank supporting baffle plates (1) are arranged in the stacking and conveying trolley, a turnover partition baffle plate (2) is further arranged in the middle of the stacking and conveying trolley, pulleys (7) are arranged at the bottom of the stacking and conveying trolley, and the pulleys (7) move along with sliding rails arranged in conveying tracks.
2. The solar water tank accumulating production line of claim 1, wherein: the moving mechanism comprises an electric friction wheel (3), a screw rod (4), a motor and an adjusting hand wheel (5).
3. The solar water tank stocking production line of claim 1, characterized in that: the cutting baffle (2) comprises two back-to-back support plates, and arc-shaped support plates (6) matched with the water tank are arranged on the outer sides of the support plates; the bottom of the partition baffle is fixed with the frame, and a turning rotating shaft is arranged between the bottom of the partition baffle and the frame, so that 90-degree turning is realized.
4. The solar water tank accumulating production line of claim 1, wherein: the bearing frame at the bottom of the power and free conveying vehicle is a gas storage bearing frame (8) which is provided with a gas pipe connector.
5. The solar water tank stocking production line of claim 1, characterized in that: and the conveying track is also provided with an automatic lubricating device and an automatic tensioning mechanism.
6. The solar water tank stocking production line of claim 1, characterized in that: the manipulator comprises a preassembly area manipulator and a finished product conveying area manipulator.
7. The solar water tank stocking production line of claim 1, characterized in that: the temperature of the preheating zone of the water tank is 35-45 ℃, and the preheating time is 15 minutes.
8. The solar water tank accumulating production line of claim 1, wherein: the water tank packing area comprises two packing lines.
9. The solar water tank accumulating production line of claim 1, wherein: the PLC control system comprises a power supply cabinet, a control unit, an execution element and a switch element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211113763.8A CN115285609A (en) | 2022-09-14 | 2022-09-14 | Solar water tank accumulating production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211113763.8A CN115285609A (en) | 2022-09-14 | 2022-09-14 | Solar water tank accumulating production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115285609A true CN115285609A (en) | 2022-11-04 |
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ID=83833178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211113763.8A Pending CN115285609A (en) | 2022-09-14 | 2022-09-14 | Solar water tank accumulating production line |
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| Country | Link |
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| CN (1) | CN115285609A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0966426A (en) * | 1995-08-30 | 1997-03-11 | Toyota Autom Loom Works Ltd | Production line and production line system |
| CN101787429A (en) * | 2010-02-22 | 2010-07-28 | 杭州钱江弹簧有限公司 | Bar stock heating furnace |
| CN103862607A (en) * | 2012-12-18 | 2014-06-18 | 海尔集团公司 | Horizontal foaming production line and production process for solar water tank |
| CN108190264A (en) * | 2017-12-29 | 2018-06-22 | 重庆巨九磊汽车零部件制造有限公司 | A kind of excellent shock absorber packaging case of security performance |
| CN112207056A (en) * | 2020-08-24 | 2021-01-12 | 中华人民共和国南通海关 | Automatic sample separation device for grain weed seed coating agent |
| CN213587933U (en) * | 2020-09-29 | 2021-07-02 | 安庆市弗洛沃节能环保厨具有限公司 | Food storage rack for catering based on hotel |
-
2022
- 2022-09-14 CN CN202211113763.8A patent/CN115285609A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0966426A (en) * | 1995-08-30 | 1997-03-11 | Toyota Autom Loom Works Ltd | Production line and production line system |
| CN101787429A (en) * | 2010-02-22 | 2010-07-28 | 杭州钱江弹簧有限公司 | Bar stock heating furnace |
| CN103862607A (en) * | 2012-12-18 | 2014-06-18 | 海尔集团公司 | Horizontal foaming production line and production process for solar water tank |
| CN108190264A (en) * | 2017-12-29 | 2018-06-22 | 重庆巨九磊汽车零部件制造有限公司 | A kind of excellent shock absorber packaging case of security performance |
| CN112207056A (en) * | 2020-08-24 | 2021-01-12 | 中华人民共和国南通海关 | Automatic sample separation device for grain weed seed coating agent |
| CN213587933U (en) * | 2020-09-29 | 2021-07-02 | 安庆市弗洛沃节能环保厨具有限公司 | Food storage rack for catering based on hotel |
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