CN208297055U - A kind of magazine of washing machine air-tightness detection device of injection molding - Google Patents
A kind of magazine of washing machine air-tightness detection device of injection molding Download PDFInfo
- Publication number
- CN208297055U CN208297055U CN201820995368.XU CN201820995368U CN208297055U CN 208297055 U CN208297055 U CN 208297055U CN 201820995368 U CN201820995368 U CN 201820995368U CN 208297055 U CN208297055 U CN 208297055U
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- magazine
- injection molding
- washing machine
- detection device
- machine air
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- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 238000001746 injection moulding Methods 0.000 title claims abstract description 26
- 238000005406 washing Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 238000012360 testing method Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 13
- 239000011230 binding agent Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 5
- 239000004744 fabric Substances 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 abstract description 11
- 238000007789 sealing Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- -1 after detection Substances 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model discloses a kind of magazine of washing machine air-tightness detection devices of injection molding, belong to detecting instrument field.A kind of magazine of washing machine air-tightness detection device of injection molding of the utility model, including rack, positioning mechanism, water seal mechanism and testing agency, rack play the role of integrated support, and positioning mechanism is located at position to be detected for magazine to be fixed.Water seal mechanism can be filled the water into magazine, v-shaped cavity body portion between flexible glue lid and lower cover is blocked from bottom, so as to be blown using testing agency into blow vent, after a certain period of time, it detects whether its pressure has larger fluctuation, judges whether there is sealing problem, to solve the problems, such as that the magazine leakproofness of injection molding is not easy to detect, with preferable using effect, product quality is improved.
Description
Technical field
The utility model relates to detecting instrument technical fields, more specifically to a kind of washing machine material of injection molding
Box air-tightness detection device.
Background technique
Washing machine usually has loaded on the intracorporal magazine of case.Pre-added detergent, softener, disinfection are held in magazine
The builders such as agent, to add these builders into washing tube in washing process.Magazine is typically independent of cabinet and laundry
The other component of machine, and need to be fixed on cabinet by fixed device.
As shown in Figure 1, magazine component includes that the flexible glue lid and lower cover on top are needed when installing flexible glue lid in flexible glue lid
Sealing ring is installed between lower cover, to ensure that magazine component has preferable leakproofness.
In the processing of traditional magazine, mostly it is that flexible glue lid, sealing ring and lower cover are processed respectively, is then fitted into together, this
Efficiency is lower during installation for kind of mode, and when installing sealing ring, it is difficult to be fixed on lower lid, cause processing efficiency compared with
It is low.By process modification, sealing can be gone then directly to be mounted on lower lid i.e. flexible glue lid by being directly injection-moulded on lower lid
Can, it does not need in installation sealing ring.Injection molding makes first be molded lower cover, is then molded sealing ring again.
When being installed using the above method, although improving efficiency, due to the direct injection molding of sealing ring, exist
Quadric injection mould process, material retraction when injection molding, deformation, it is under feeding the problems such as, after flexible glue lid is installed, it is possible to can exist close
Envelope property problem, therefore, it is necessary to carry out air-leakage test to the magazine component after installation.
When carrying out air-leakage test, most of ways are directly to ventilate into cavity, have detected whether bubbling in water,
Whole immersion is needed in this way, it is comparatively laborious.It can also directly ventilate to the inside, detect air pressure, but due to magazine
The normally opened face in middle section is larger, and irregular, is not easy to block, and causes to face biggish problem when detection.
Utility model content
1. utility model technical problems to be solved
The purpose of the utility model is to overcome the magazine leakproofness of injection molding in the prior art to be not easy the deficiency detected,
Provide a kind of magazine of washing machine air-tightness detection device of injection molding, the knot that the utility model is detected using water seal and air pressure
It closes, solves the problems, such as that the magazine leakproofness of injection molding is not easy to detect, there is preferable using effect, improve product matter
Amount.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model are as follows:
A kind of magazine of washing machine air-tightness detection device of the injection molding of the utility model, including rack, positioning mechanism,
Water seal mechanism and testing agency, it is characterised in that: the positioning mechanism is mounted on central rack, and the positioning mechanism is for fixed material
Box；The water seal mechanism includes water tank and water inlet pipe, which is supplied water by water pump to water inlet pipe, and the water inlet pipe is used for material
Water filling in box；The testing agency includes detection cylinder, snorkel and pressure sensor, and the snorkel setting is in detection cylinder
Piston rod on, and it is corresponding with the blow vent of magazine；Pressure sensor is set in piston rod end, is detected according to pressure sensor
Data judge whether magazine is qualified.
Further improved as the utility model, the positioning mechanism include positioning seat, lifting cylinder, lifter plate and
Compressing rod, the positioning seat are mounted on bottom plate, and the cavity to match with magazine is offered on the positioning seat；The lifting cylinder
It is fixed on above positioning seat, is connected with lifter plate on piston rod, and compressing rod is installed on the downside of lifter plate, the compressing rod and fixed
Position seat cooperation is fixed magazine.
It is further improved as the utility model, the compressing rod includes A compressing rod and B compressing rod, forms two
Fastening point, and binder head is set in the bottom end of A compressing rod and B compressing rod, which is rubber material either with cloth packet
It wraps up in.
It is further improved as the utility model, the positioning seat bottom offers circumferential rhone, the rhone
In have at least one drainage hole, the drainage hole is connected to by return pipe with water tank.
It is further improved as the utility model, the lifting cylinder is fixed on top plate, which passes through support
Bar is fixed, and pilot hole is offered on top plate；It is connected with guide rod on the lifter plate, which passes through pilot hole and can be opposite
Pilot hole moves up and down.
It is further improved as the utility model, label cylinder is also equipped on the bottom plate, the label cylinder
Marking pen is connected on piston rod, for getting label ready to the magazine of processing.
It is further improved as the utility model, the tail end of the water inlet pipe is connected with the water injection pipe of rubber material.
It is further improved as the utility model, the frame side wall is equipped with waste material box, unqualified for holding
Magazine.
It is further improved as the utility model, electric cabinet is installed in the rack, is started switch and display,
The electric cabinet is used for installation control system, and described to start switch for starting control system work, the display is for showing
Show the data of pressure sensor detection.
It is further improved as the utility model, described to start switch there are two installations, two start switch difference
Positioned at the two sides of rack, while pressing two control systems when starting switch and being activated.
3. beneficial effect
Using technical solution provided by the utility model, compared with prior art, have the following beneficial effects:
(1) the magazine of washing machine air-tightness detection device of a kind of injection molding of the utility model, including rack, localization machine
Structure, water seal mechanism and testing agency, rack play the role of integrated support, and positioning mechanism makes its position for magazine to be fixed
In position to be detected.Water seal mechanism can be filled the water into magazine, and the v-shaped cavity body portion between flexible glue lid and lower cover is sealed from bottom
It blocks, so as to be blown using testing agency into blow vent, after a certain period of time, detects whether its pressure has larger fluctuation, sentence
Disconnected to whether there is sealing problem, to solve the problems, such as that the magazine leakproofness of injection molding is not easy to detect, having preferably makes
With effect, product quality is improved.
(2) compressing rod that the utility model uses includes A compressing rod and B compressing rod, forms two fastening points, and press in A
Expect that binder head is arranged in the bottom end of bar and B compressing rod, which can be rubber material, and according to magazine needs, binder head
End be set as the structures such as inclined-plane or arcwall face, reach better fiting effect, while workpiece can be prevented to be damaged, play guarantor
The effect of nurse's part.
(3) testing agency of the utility model includes detection cylinder, snorkel and pressure sensor, and snorkel setting is being examined
It surveys on the piston rod of cylinder, and corresponding with the blow vent of magazine, notch can be opened up on positioning seat, so as to make to detect gas
The piston rod proper motion of cylinder, and can preferably cooperate with blow vent, so that it is blocked blow vent, facilitates detection.
Detailed description of the invention
Fig. 1 is the composition schematic diagram of magazine；
Fig. 2 is the schematic diagram of blow vent and v-shaped cavity body in magazine；
Fig. 3 is the overall structure diagram of detection device；
Fig. 4 is the structural schematic diagram of positioning mechanism and testing agency.
Label declaration in schematic diagram: 01, magazine；02, communication line；11, rack；12, it starts switch；13, electric cabinet；
14, connection frame；15, display；16, waste material box；21, top plate；22, lifting cylinder；23, lifter plate；24, guide rod；25, A binder
Bar；26, B compressing rod；27, support rod；28, bottom plate；31, water tank；32, water inlet pipe；33, water injection pipe；34, return pipe；41, it positions
Seat；42, escape port；43, cylinder is detected；44, cylinder is marked.
Specific embodiment
For the content for further appreciating that the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
In conjunction with Fig. 2, direction shown in arrow is the blow vent of magazine in figure, and dotted portion is communication line 02 in figure, indicates it
Be connected to blow vent, need to detect be blow vent to part between 02 bottom of communication line, the part be by flexible glue lid under
Lid combination is formed, and needs to judge whether it meets seal request.
Embodiment
In conjunction with Fig. 3, a kind of magazine of washing machine air-tightness detection device of injection molding of the present embodiment, including rack 11,
Positioning mechanism, water seal mechanism and testing agency, rack 11 play the role of integrated support, and positioning mechanism is for consolidating magazine
It is fixed, it is located at position to be detected.Water seal mechanism can be filled the water into magazine 01, the v-shaped cavity body between flexible glue lid and lower cover
Part is blocked from bottom, so as to blow using testing agency into blow vent, after a certain period of time, detects whether its pressure has
Larger fluctuation judges whether there is sealing problem.
Specifically, rack 11 can be the frame being made of three columns, with the use of plate general thirdly side seal blocks up, reserve
Side is used as operation processing.It is of course also possible to use either directly adopt sheet fabrication goes out rack to three columns, mainly
It plays a supporting role, is not specifically limited.In the appropriate height setting transverse slat in 11 middle part of rack, fixes and use as workpiece.
Positioning mechanism is mounted on 11 middle part of rack, and the positioning mechanism is for fixing magazine 01.Positioning mechanism includes positioning seat
41, lifting cylinder 22, lifter plate 23 and compressing rod, positioning seat 41 are mounted on bottom plate 28, and bottom plate 28 can pass through bolt and rack
Transverse slat on 11 is connected.
The cavity to match with magazine 01 is offered on above-mentioned positioning seat 41, so that magazine 01 is enable to be caught in cavity,
Convenient for positioning.Side on positioning seat 41 towards operator offers escape port 42, facilitates and magazine is put into cavity.
Lifting cylinder 22 is located at 41 top of positioning seat, and is fixed on top plate 21, and the top plate 21 is solid by 4 support rods 27
Fixed, 27 lower end of support rod is fixed on bottom plate 28, or is directly anchored on transverse slat.It is connected on the piston rod of lifting cylinder 22
There is lifter plate 23, and compressing rod is installed on the downside of lifter plate 23, which cooperates with positioning seat 41 is fixed magazine 01.
It is shaken when lifter plate 23 moves in order to prevent, pilot hole is offered on top plate 21, is connected with and leads on lifter plate 23
Bar 24, the guide rod 24 pass through pilot hole and can be oppositely oriented hole up and down motion.
Compressing rod in this implementation includes A compressing rod 25 and B compressing rod 26, forms two fastening points, and in A compressing rod 25
Binder head is set with the bottom end of B compressing rod 26, which can be rubber material, and according to magazine needs, binder head
End is set as the structures such as inclined-plane or arcwall face, reaches better fiting effect, while workpiece can be prevented to be damaged.It is also possible to
It either is being wrapped to form binder head with cloth in compressing rod bottom end, is playing the role of protecting workpiece.
Water seal mechanism in the present embodiment includes water tank 31 and water inlet pipe 32, which is supplied by water pump to water inlet pipe 32
Water, water inlet pipe 32 block its v-shaped cavity body for filling the water into magazine 01.In order to reach faster processing effect, can adopt
It with two way water pump, can either fill the water, after detection, and water can be taken away using water inlet pipe 32, using more for magazine 01
Add conveniently.
41 bottom of positioning seat offers circumferential rhone, there is a drainage hole in the rhone, which passes through reflux
Pipe 34 is connected to water tank 31, for derived aqueous in magazine 01 to be recycled in water tank 31.Drainage hole also can be set two
It is a, fast and easy draining.
Further, the tail end of water inlet pipe 32 is connected with the water injection pipe 33 of rubber material.Since 32 tail end of water inlet pipe will be to
Water filling, in order to be inserted into magazine 01, can be used the water injection pipe 33 of rubber material, also facilitates aqueous in magazine 01
It extracts.
Testing agency in the present embodiment includes detection cylinder 43, snorkel and pressure sensor, and snorkel setting is being examined
It surveys on the piston rod of cylinder 43, and corresponding with the blow vent of magazine 01, when necessary, notch can be opened up on positioning seat 41, with
Just it can make the piston rod proper motion for detecting cylinder 43, and can preferably cooperate with blow vent, it is made to block blow vent.
When specifically used, it can be and open up axis hole in rubber tube hub, snorkel, the end of rubber tube are installed in axis hole
Just can be used in blocking blow vent.Pressure sensor is set in piston rod end, the intracorporal air pressure of test chamber is used for, according to pressure
Force snesor detection data judges whether magazine 01 is qualified.
It is also equipped with label cylinder 44 on bottom plate 28, marks the piston rod of cylinder 44 towards magazine 01, the label cylinder 44
Piston rod on be connected with marking pen, when product testing qualification after, can star the label cylinder 44, for the magazine to processing
01 gets label ready.Marking pen can use ink marks pen or watercolor marking pen or chalk etc., be mainly used for flowing down on magazine
Label, is not specifically limited.
Waste material box 16 is installed in 11 side wall of rack, for holding unqualified magazine 01.It is also equipped in rack 11 automatically controlled
Case 13 starts switch 12 and display 15, and electric cabinet 13 is used for installation control system, such as used controller, control valve
Deng former component.Display 15 is used to show the data of pressure sensor detection, may also display its correlation data with standard value, does not have
There is concrete restriction.
Display 15 can improve the setting angle of display by connection frame 14 by connection frame 14 and rack 11
Degree, convenient for observation.Hollow structure is used inside connection frame 14, can be used for circuit line of arranging.
12 are started switch for starting control system work, is pressed after starting switch 12, each section can be according to setting program
Work.Further, it for the safety of operation, starts switch there are two 12 installations, two start switch 12 and are located at machine
The two sides of frame 11, while pressing two control systems when starting switch 12 and being activated.
Above-mentioned lifting cylinder 22, detection cylinder 43 and label cylinder 44 etc., although not particularly pointing out will connect with gas tank
It connects for supplying, but this feature is known content, is not being repeated.
When specifically used, the lower cover for assembling flexible glue lid is put into positioning seat cavity, presses and starts switch, lifting cylinder
A compressing rod and B compressing rod are pushed down, product is pushed down；Water injection pipe injects water into lower cover by set amount, forms water seal, and block material
Box apopore (has corresponding rubber mouth to can be used for blocking apopore) on positioning seat, ventilate from venthole, and pressure sensor starts
Pressure is detected, is kept after a certain period of time, automatic reduced pressure undulating value, if qualified, mark of conformity cylinder can be in product subscript
Water in product can be sucked back water tank by note, water injection pipe, and compressing rod lifts, and take out product.If unqualified, system can produce sound report
Alert, the water in product can also be sucked back water tank by water injection pipe, and compressing rod lifts, and taken out product, can be put into waste material box.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in be also one of the embodiments of the present invention, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (10)
1. a kind of magazine of washing machine air-tightness detection device of injection molding, including rack (11), positioning mechanism, water seal mechanism and
Testing agency, it is characterised in that: the positioning mechanism is mounted in the middle part of rack (11), and the positioning mechanism is for fixing magazine
(01)；The water seal mechanism includes water tank (31) and water inlet pipe (32), which is supplied water by water pump to water inlet pipe (32),
The water inlet pipe (32) is used for the water filling into magazine (01)；The testing agency includes detection cylinder (43), snorkel and pressure
Sensor, the snorkel are arranged on the piston rod of detection cylinder (43), and corresponding with the blow vent of magazine (01)；In piston
Pressure sensor is arranged in boom end, judges whether magazine (01) is qualified according to pressure sensor detection data.
2. a kind of magazine of washing machine air-tightness detection device of injection molding according to claim 1, it is characterised in that: institute
Stating positioning mechanism includes positioning seat (41), lifting cylinder (22), lifter plate (23) and compressing rod, and the positioning seat (41) is mounted on
On bottom plate (28), the cavity to match with magazine (01) is offered on the positioning seat (41)；The lifting cylinder (22) is fixed on
It above positioning seat (41), is connected with lifter plate (23) on piston rod, and compressing rod, the binder is installed on the downside of lifter plate (23)
Bar cooperates with positioning seat (41) is fixed magazine (01).
3. a kind of magazine of washing machine air-tightness detection device of injection molding according to claim 2, it is characterised in that: institute
Stating compressing rod includes A compressing rod (25) and B compressing rod (26), forms two fastening points, and in A compressing rod (25) and B compressing rod
(26) binder head is arranged in bottom end, which is that rubber material is either wrapped up with cloth.
4. a kind of magazine of washing machine air-tightness detection device of injection molding according to claim 2, it is characterised in that: institute
It states positioning seat (41) bottom and offers circumferential rhone, have at least one drainage hole in the rhone, the drainage hole passes through back
Flow tube (34) is connected to water tank (31).
5. a kind of magazine of washing machine air-tightness detection device of injection molding according to claim 2, it is characterised in that: institute
It states lifting cylinder (22) to be fixed on top plate (21), the top plate (21) is fixed by support rod (27), and opens on top plate (21)
Equipped with pilot hole；Guide rod (24) are connected on the lifter plate (23), which passes through pilot hole and can be oppositely oriented hole
It moves up and down.
6. a kind of magazine of washing machine air-tightness detection device of injection molding according to claim 2, it is characterised in that: institute
State and be also equipped with label cylinder (44) on bottom plate (28), be connected with marking pen on the piston rod of the label cylinder (44), for pair
The magazine (01) of processing gets label ready.
7. a kind of magazine of washing machine air-tightness detection device of injection molding according to claim 1, it is characterised in that: institute
The tail end for stating water inlet pipe (32) is connected with the water injection pipe (33) of rubber material.
8. a kind of magazine of washing machine air-tightness detection device of injection molding according to claim 1, it is characterised in that: institute
It states rack (11) side wall and waste material box (16) is installed, for holding unqualified magazine (01).
9. a kind of magazine of washing machine air-tightness detection device of injection molding described according to claim 1~any one of 8,
It is characterized in that: electric cabinet (13) being installed on the rack (11), starts switch (12) and display (15), the electric cabinet
(13) it is used for installation control system, described start switch (12) to be used to start control system work, and the display (15) is used for
Show the data of pressure sensor detection.
10. a kind of magazine of washing machine air-tightness detection device of injection molding according to claim 9, it is characterised in that:
Described to start switch there are two (12) installations, two start switch the two sides that (12) are located at rack (11), while pressing two
A control system when starting switch (12) is activated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820995368.XU CN208297055U (en) | 2018-06-27 | 2018-06-27 | A kind of magazine of washing machine air-tightness detection device of injection molding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820995368.XU CN208297055U (en) | 2018-06-27 | 2018-06-27 | A kind of magazine of washing machine air-tightness detection device of injection molding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208297055U true CN208297055U (en) | 2018-12-28 |
Family
ID=64701753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820995368.XU Expired - Fee Related CN208297055U (en) | 2018-06-27 | 2018-06-27 | A kind of magazine of washing machine air-tightness detection device of injection molding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208297055U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006606A (en) * | 2019-03-01 | 2019-07-12 | 南京涵铭置智能科技有限公司 | A kind of pipeline air-tightness automatic detection test bed and its working method |
| CN110595697A (en) * | 2019-09-12 | 2019-12-20 | 安徽钟南防化科技有限公司 | Canister airtightness detection device and working method thereof |
| CN110595692A (en) * | 2019-08-19 | 2019-12-20 | 福建省华银铝业有限公司 | Car end connecting piece gas tightness detects frock |
| CN114623986A (en) * | 2022-02-22 | 2022-06-14 | 南京航空航天大学 | Roller washing machine leakage detection device and method based on air tightness |
| CN115179554A (en) * | 2022-07-12 | 2022-10-14 | 马鞍山甬兴模塑有限公司 | Welding and detecting system and welding method for diffuser of dish washing machine |
-
2018
- 2018-06-27 CN CN201820995368.XU patent/CN208297055U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006606A (en) * | 2019-03-01 | 2019-07-12 | 南京涵铭置智能科技有限公司 | A kind of pipeline air-tightness automatic detection test bed and its working method |
| CN110595692A (en) * | 2019-08-19 | 2019-12-20 | 福建省华银铝业有限公司 | Car end connecting piece gas tightness detects frock |
| CN110595697A (en) * | 2019-09-12 | 2019-12-20 | 安徽钟南防化科技有限公司 | Canister airtightness detection device and working method thereof |
| CN114623986A (en) * | 2022-02-22 | 2022-06-14 | 南京航空航天大学 | Roller washing machine leakage detection device and method based on air tightness |
| CN114623986B (en) * | 2022-02-22 | 2022-12-16 | 南京航空航天大学 | Roller washing machine leakage detection device and method based on air tightness |
| CN115179554A (en) * | 2022-07-12 | 2022-10-14 | 马鞍山甬兴模塑有限公司 | Welding and detecting system and welding method for diffuser of dish washing machine |
| CN115179554B (en) * | 2022-07-12 | 2024-02-23 | 马鞍山甬兴模塑有限公司 | Welding and detecting system and welding method for dish washer diffuser |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181228 |