CN108480601A - A kind of casting cleaning device - Google Patents
A kind of casting cleaning device Download PDFInfo
- Publication number
- CN108480601A CN108480601A CN201810294333.8A CN201810294333A CN108480601A CN 108480601 A CN108480601 A CN 108480601A CN 201810294333 A CN201810294333 A CN 201810294333A CN 108480601 A CN108480601 A CN 108480601A
- Authority
- CN
- China
- Prior art keywords
- bar
- rack
- voussoir
- casting
- jack
- 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.)
- Pending
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
- B22D31/002—Cleaning, working on castings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
Abstract
The present invention relates to a kind of casting cleaning devices, including rack, rotation has cam in rack, sector gear is connected on cam, rack is equipped with roll-over table, rack is engaged on sector gear, rack is connected with the first spring between rack, it is sequentially connected with the first idler wheel, the first voussoir, head rod, the second idler wheel, the second voussoir, the second connecting rod on rack, second spring is connected between the second voussoir and rack, third connecting rod is connected on rack；Sliding is connected with sliding rail in rack, sliding is connected with the first jack-up bar, the second jack-up bar and third and jacks up bar on roll-over table, second jack-up bar and third jack up bar and are slidably connected in sliding rail, sliding rail is equipped with the third voussoir that can be offseted with cam, the 4th connecting rod is mutually had on third voussoir, third spring is connected between 4th connecting rod and rack, being connected in the 4th connecting rod can drive the second jack-up bar and third to jack up the connecting plate of bar movement.This programme is realizing overturning to casting in drying and cleaning.
Description
Technical field
The present invention relates to Mechanical processing of casting field more particularly to a kind of casting cleaning devices.
Background technology
Casting needs to clean the surface of casting after machine, and after being cleaned to casting, needs
Casting is put into drying box and is dried, for example compressor housing casting is cleaned and dried.In the prior art, do not have
There is the device for being provided simultaneously with cleaning and drying function, after casting cleans, need to be transferred into drying box, operates ratio
It is cumbersome.Also, casting is dried in drying box and is had the following problems：Casting and the contact surface of drying box are affixed, so that
Casting can not receive heat with the face that drying box contacts with each other, and drying is caused to be not thorough.For alloy-steel casting, this baking
It is dry it is insufficient be easy to cause cast(ing) surface residual moisture, to easily cast(ing) surface be made to aoxidize, influence the quality of casting.
Invention content
The purpose of the present invention is to provide a kind of casting cleaning devices, to realize overturning in drying and cleaning to casting.
In order to achieve the above objectives, the technical scheme is that：A kind of casting cleaning device, including rack are set in rack
There is wiper mechanism, drying mechanism is additionally provided in rack, cam is rotatably connected in rack, sector is coaxially connected on cam
The top of wheel, cam is equipped with roll-over table, is engaged with rack on sector gear, one end of rack is rotatably connected to the first idler wheel, tooth
It is connected with the first spring between the other end and rack of item, mutually has first wedge block on the first idler wheel, it is fixed on the first voussoir to connect
It is connected to head rod, the one end of head rod far from the first voussoir is rotatably connected to the second idler wheel, and the second idler wheel mutually has
Second voussoir is connected with second spring between the second voussoir and rack, be fixedly connected and be useful for and casting bottom on the second voussoir
The second connecting rod to offset, is fixedly connected with the third connecting rod for being useful for offseting with cast top on rack, third connecting rod and
The second connecting rod both sides that be located at roll-over table with one end that casting offsets opposite；The lower section of roll-over table is equipped with and is slidably connected
Sliding rail in rack, roll-over table are equipped with strip hole and through-hole, and the first top that can be offseted with cam is slidably connected in through-hole
Bar is played, the second jack-up bar is slidably connected in strip hole and third jacks up bar, the second jack-up bar and third jack up bar far from turning over
One end of turntable is slidably connected on sliding rail, and sliding rail is equipped with the third voussoir that can be offseted with cam, offsets on third voussoir
There are the 4th connecting rod, the 4th one end of connecting rod far from third voussoir to be fixedly connected with link block, connect between link block and rack
It is connected to third spring, connecting plate is fixedly connected on link block, connecting plate is equipped with sliding eye, and second jacks up bar and third jack-up
Bar is slidably connected on sliding eye.
The operation principle of this programme is：Rack is that whole device plays the role of support；Drying mechanism is in order to casting
It is dried；Cleaning device, hereby it is achieved that the cleaning of casting and drying function are integrated, makes for being cleaned to casting
Present apparatus functional diversities.Cam is rotatably connected in rack, therefore cam is rotatable.Since cam coaxially connects with sector gear
It connects, therefore when cam rotation, sector gear rotates together.Since sector wheel and rack engages, therefore driven when sector rack rotation
Rack moves.To when being moved close to first wedge Block direction, the rack of movement is pushed sector gear band carry-over bar by the first idler wheel
First voussoir is moved to close to the direction of the second voussoir, and the first voussoir drives the second idler wheel and the second voussoir by head rod
It offsets, to push the second voussoir to be moved to close to casting direction, the second voussoir drives the second connecting rod to close to casting direction
It is mobile, and push the bottom of casting；Due to being fixedly connected with third connecting rod on rack, therefore third connection is driven when rack movement
Bar is moved to close to casting direction, and pushes the top of casting, since third connecting rod and the second connecting rod offset with casting
One end be located at the opposite both sides of roll-over table, therefore third connecting rod and the second connecting rod push the side of the power of casting respectively
To on the contrary, and third connecting rod and the second connecting rod to the active force of casting respectively in the top and bottom of casting, therefore two works
Firmly not on the same line, to make casting be overturn on roll-over table, make the face that casting is affixed with roll-over table that can also be cleaned
And drying, improve the effect of cleaning and drying.While casting is pushed by the second connecting rod and third connecting rod, cam
It offsets with the first jack-up bar, the first jack-up bar is made to be slided in through-hole, to make the first jack-up bar be stretched out from roll-over table, first
It jacks up bar and pushes position of the casting bottom far from the second connecting rod, to make casting to the second connecting rod side lateral deviation, be conducive to casting
The overturning of part.Casting after overturning is pressed in the second jack-up bar and third and jacks up above bar, and with the rotation of cam, cam can be with
Third voussoir offsets, and third voussoir drives sliding rail to be moved to close to roll-over table direction, and sliding rail drives second to jack up bar and third top
Bar is played to stretch out from the strip hole on roll-over table, it is upward to will bear against the casting that the second jack-up bar and third jack up above bar
Top, makes casting rise, and detached with roll-over table.When third voussoir moves, third voussoir pushes the movement of the 4th connecting rod, and the 4th connects
Extension bar drives connecting plate to jack up the movement of bar direction to close to first by link block, since the second jack-up bar and third jack up bar and slide
It is dynamic to be connected on the sliding eye of connecting plate, therefore connecting plate drives second to jack up bar and third jacks up bar and jacks up bar side to close to first
To translation, make the top for the position that casting moves to before overturning, then cam is detached with third voussoir, the second jack-up bar and third
It jacks up bar to move down under gravity, to which casting to be put on the position before overturning, casting is pressed in the first jack-up bar
On, to make the first jack-up bar jack up casting again.First spring, second spring and third spring can make rack, with the respectively
Second connecting rod of two voussoirs connection, the connection sheet reset being connect with link block, and then the third being connected on rack is made to connect
Bar and the second jack-up bar and third that are slidably connected on connecting plate jack up bar and reset, and the first voussoir also can under gravity
It resets, thus to be overturn casting next time.
When using above-mentioned technical proposal, have the beneficial effect that：1, the present apparatus there is wiper mechanism and drying mechanism, it can be achieved that
Cleaning and drying function to casting are simple in structure in one, eliminate the moving step from cleaning case to drying box by casting,
It is easy to operate.2, sector gear band carry-over bar moves, and the first idler wheel on rack offsets with the first voussoir, to make the first voussoir
On head rod moved to close to the second voussoir direction, the second idler wheel on head rod offsets with the second voussoir, makes
Second voussoir pushes the bottom of the second connecting rod promotion casting, meanwhile, the third connecting rod being connected on rack pushes casting
Top, the direction that the active force on casting is acted on the second connecting rod due to third connecting rod is different, and not in straight line
On, to make casting be overturn on roll-over table, the contact surface of casting and roll-over table is cleaned and is dried, it is ensured that casting it is every
A face can be cleaned and be dried, and the quality of casting is improved.3, cam offsets with the first jack-up bar, makes the first jack-up bar will
Position of the bottom of casting far from the second connecting rod is pushed up upwards, to make casting turn on one's side to the second connecting rod side, is conducive to casting
Overturning, improve casting overturning sensitivity.4, the second jack-up bar and third jack up bar and can jack up casting upwards, make casting
It is detached with roll-over table, casting is then moved to the position before overturning again, to make casting be pressed in the upper of the first jack-up bar again
Side, convenient for casting overturning next time.Also, casting is moved to the position before overturning again, can be not necessarily to extend roll-over table in this way
Length reduces the space hold of roll-over table.5, it is pushed up upwards by the first jack-up bar due to the bottom of casting, and casting is connected by second
Extension bar and third connecting rod offset, and to make casting overturn, compare the movement of roll-over table, both frictions of roll-over table make casting turn over
Turn, it is easier to so that casting is overturn, improve the sensitivity of casting overturning.
Further, third voussoir is equipped with inclined-plane with the one side that cam offsets.It is convex when cam offsets with third voussoir as a result,
Wheel slides more smooth on third voussoir.
Further, the 4th connecting rod also is provided with inclined-plane with one end that third voussoir offsets.It is oblique in 4th connecting rod as a result,
Face is matched with the inclined-plane of third voussoir itself, more smooth when third voussoir being made to push the movement of the 4th connecting rod.
Further, drying mechanism includes electric heating piece and hair-dryer.Casting is dried by heating plate fever, is blown simultaneously
Wind turbine blows the air-flow of generation, accelerates the effect of casting drying, moreover it is possible to be blown off to the sundries of workpiece surface attachment.
Further, wiper mechanism includes nozzle, and water tank and compression pump are connected on nozzle.Compression pump is by the water pump in water tank
Enter into nozzle, nozzle is made to spray water.Compression pump improves the blowing force of nozzle water spray, consequently facilitating the sundries of cast(ing) surface is carried out
Cleaning.
Further, it is connected with motor on cam.It is rotated by motor, power is provided for the movement of device.
Further, the 5th connecting rod is welded on the first jack-up bar, the first jack-up bar passes through the 5th connecting rod and cam phase
It supports.5th connecting rod connects cam and the first jack-up bar, so that the first jack-up bar is not influenced by cam position, makes cam
Bar can be jacked up by the 5th connecting rod by first to jack up.
Description of the drawings
Fig. 1 is the schematic diagram of the embodiment of the present invention.
Specific implementation mode
It is further described below by specific implementation mode：
Reference numeral in Figure of description includes：First fixed block 1, the first spring 2, third connecting rod 3, nozzle 4, electricity
Backing 5, hair-dryer 6, casting 7, roll-over table 8, first jack up bar 9, third fixed block 10, third spring 11, link block the 12, the 4th
Connecting rod 13, connecting plate 14, sector gear 15, rack 16, cam 17, the 5th connecting rod 18, second jack up bar 19, third jacks up
Bar 20, sliding rail 21, third voussoir 22, the second connecting rod 23, the second voussoir 24, second spring 25, the second fixed block 26, first connect
Extension bar 27, the second idler wheel 28, the first voussoir 29, the first idler wheel 30.
Embodiment is substantially as shown in Fig. 1：A kind of casting cleaning device, including rack, rack are equipped with electric heating piece 5, blow
Wind turbine 6 and nozzle 4 are connected with water tank and compression pump on nozzle 4.Roll-over table 8 is welded in rack, roll-over table 8 is equipped with strip
Hole and through-hole, the lower section of roll-over table 8 are equipped with the cam 17 being rotatably connected in rack, motor are connected on cam 17.Cam 17
On be coaxially connected with sector gear 15, rack 16 is engaged on sector gear 15, the left end of rack 16 is rotatablely connected by axis pin
There are the first idler wheel 30, the right side of 16 right end of rack to be equipped with the first fixed block 1 being welded in rack, the first fixed block 1 and rack
The first spring 2 is welded between 16 right end, the left side of the first idler wheel 30 mutually has first wedge block 29, welded on the first voussoir 29
There is a head rod 27 being vertically arranged, the top of head rod 27 is rotatably connected to the second idler wheel 28 by axis pin, and second
The top of idler wheel 28 mutually has the second voussoir 24, and the left side of the second voussoir 24 is equipped with the second fixed block 26 being welded in rack,
Be welded with second spring 25 between second fixed block 26 and the second voussoir 24, the right side of the second voussoir 24 be welded with for casting
The second connecting rod 23 that 7 bottom of part offsets, the right end of rack 16 are welded with the third of the L shape for offseting with 7 top of casting
The right end of connecting rod 3, the left end of third connecting rod 3 and the second connecting rod 23 is located at 7 left and right side of casting on roll-over table 8
Both sides；The lower section of roll-over table 8 is equipped with the sliding rail 21 being slidably connected in rack, and roll-over table 8 is equipped with strip hole and through-hole, long
Hole is located at the left side of through-hole, and the first jack-up bar 9 is slidably connected in through-hole, and the bottom of the first jack-up bar 9 is welded with the 5th company
The left end of extension bar 18, the 5th connecting rod 18 can offset with cam 17.The second jack-up bar 19 and third are slidably connected in strip hole
Bar 20 is jacked up, the bottom end that the bottom end of the second jack-up bar 19 and third jack up is slidably connected on sliding rail 21, the right end of sliding rail 21
It is welded with third voussoir 22, the left side of third voussoir 22 is equipped with inclined-plane, and the right side of third voussoir 22 mutually has the 4th connecting rod
13, the left end of the 4th connecting rod 13 is equipped with the inclined-plane to match with third voussoir 22, and the right end of the 4th connecting rod 13 is welded with company
Connect block 12, the right side of link block 12 is equipped with the third fixed block 10 being welded in rack, third fixed block 10 and link block 12 it
Between be welded with third spring 11, the left side of link block 12 is welded with connecting plate 14, and connecting plate 14 is equipped with vertical sliding eye, the
Two jack-up bars 19 and third jack up bar 20 and are slidably connected on sliding eye.
Specific implementation process is as follows：Casting 7 is put on roll-over table 8, the bottom on the right side of casting 7 is made to be pressed in the first jack-up
The top on 9 top of bar, and start compression pump and nozzle 4, the water in water tank is pumped into nozzle 4 by compression pump, and from nozzle 4
It sprays, is sprayed onto on casting 7, casting 7 is cleaned.Start motor, motor band moving cam 17 and 15 up time of sector gear simultaneously
Needle rotates, and sector gear 15 is moved to the left with carry-over bar 16, and the first idler wheel 30 and the first voussoir 29 of 16 left end of rack offset, and make
First voussoir 29 moves up, and the first voussoir 29 drives the second idler wheel 28 to move up by head rod 27, the second idler wheel
28 offset with the second voussoir 24, and the second idler wheel 28 pushes the second voussoir 24 to move right, and the second voussoir 24 pushes the second connecting rod
23 move right, and the second connecting rod 23 pushes to the right the bottom of 7 left side of casting；Also, rack 16 drive third connecting rod 3 to
It moves left, third connecting rod 3 is made to push the top of the right side of casting 7 to the left, to make casting 7 have what is overturn to the left to become
Gesture.Meanwhile cam 17 and the left end of the 5th connecting rod 18 offset, and the 5th connecting rod 18 is made to move up, the 5th connecting rod 18 to
Upper to push first to jack up bar 9, the first jack-up bar 9 pushes up the bottom on 7 right side of casting upwards, to make casting 7 overturn to the left.So
Afterwards, the left side of casting 7 is pressed in 19 top of the second jack-up bar and third jacks up the top on 20 top of bar.With turning for cam 17
Dynamic, cam 17 offsets with third voussoir 22, and cam 17 pushes third voussoir 22 to move up, the drive sliding rail 21 of third voussoir 22 to
Upper movement, moves up to make the second jack-up bar 19 and third jack up bar 20, and the casting 7 after overturning is jacked up upwards, makes casting
Part 7 is detached with roll-over table 8.Meanwhile third voussoir 22 and the left end of the 4th connecting rod 13 offset, and push the 4th connecting rod 13 to the right
Mobile, the 4th connecting rod 13 drives link block 12 to move right, and link block 12 pulls to the right the second jack-up bar by connecting plate 14
19 and third jack up bar 20 move right, to by second jack-up bar 19 and third jack up bar 20 on casting 7 move right, make
Casting 7 re-moves on original position.Then, after sector gear 15 is detached with the engagement of rack 16, rack 16 is first
Move right reset under the action of spring 2, to drive third connecting rod 3 to move right reset.First voussoir 29 and first connects
Extension bar 27 resets under gravity, and the second voussoir 24 and the second connecting rod 23 are moved to the left under the action of second spring 25
It resets；After cam 17 is detached with the 5th connecting rod 18 and third voussoir 22, the first jack-up bar 9 moves down reset, third bullet
Spring 11 pushes link block 12 to the left, and the be slidably connected on link block 12 second jack-up bar 19 and third is made to jack up bar 20 to moving to left
Dynamic to reset, third jacks up the jack-up bar 19 of bar 20 and second and also moves down reset under gravity.It is next to carry out as a result,
Secondary overturning cleaning.
When needing to dry casting 7, compression pump and nozzle 4 are closed, opens hair-dryer 6 and electric heating piece 5, electric heating piece
5 give off heat, and hair-dryer 6 makes heat scatter, to be dried to casting 7.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those skilled in the art,
Without departing from the inventive concept of the premise, several modifications and improvements can also be made, these should also be considered as the guarantor of the present invention
Range is protected, these all do not interfere with the effect and patent practicability that the present invention is implemented.The present invention omits the technology of description, shape
Shape, construction part are known technology.
Claims (7)
1. a kind of casting cleaning device, including rack, the rack is equipped with wiper mechanism, it is characterised in that：It is also set in rack
There is drying mechanism, cam is rotatably connected in rack, sector gear is coaxially connected on cam, the top of cam is equipped with overturning
Platform, is engaged with rack on the sector gear, and one end of rack is rotatably connected to the first idler wheel, the other end and rack of rack it
Between be connected with the first spring, first wedge block is mutually had on first idler wheel, head rod is fixedly connected on the first voussoir,
The one end of head rod far from the first voussoir is rotatably connected to the second idler wheel, and the second idler wheel mutually has the second voussoir, and described
It is connected with second spring between two voussoirs and rack, be useful for offseting with casting bottom second is fixedly connected on the second voussoir and is connected
Extension bar is fixedly connected with the third connecting rod for being useful for offseting with cast top, third connecting rod and the second connection on the rack
The bar both sides that be located at roll-over table with one end that casting offsets opposite；The lower section of the roll-over table is equipped with and is slidably connected at machine
Sliding rail on frame, roll-over table are equipped with strip hole and through-hole, and can offset with cam first is slidably connected in through-hole and jacks up bar,
The second jack-up bar is slidably connected in strip hole and third jacks up bar, and described second jacks up bar and third jack-up bar far from overturning
One end of platform is slidably connected on sliding rail, and the sliding rail is equipped with the third voussoir that can offset with cam, phase on third voussoir
The 4th connecting rod is had, the 4th one end of connecting rod far from third voussoir is fixedly connected with link block, between link block and rack
It is connected with third spring, is fixedly connected with connecting plate on link block, connecting plate is equipped with sliding eye, and described second jacks up bar and the
Three jack-up bars are slidably connected on sliding eye.
2. a kind of casting cleaning device according to claim 1, it is characterised in that：What the third voussoir offseted with cam
It is equipped with inclined-plane on one side.
3. a kind of casting cleaning device according to claim 2, it is characterised in that：4th connecting rod and third voussoir
The one end to offset also is provided with inclined-plane.
4. a kind of casting cleaning device according to claim 3, it is characterised in that：The drying mechanism include electric heating piece and
Hair-dryer.
5. a kind of casting cleaning device according to claim 4, it is characterised in that：The wiper mechanism includes nozzle, spray
It is connected with water tank and compression pump on head.
6. a kind of casting cleaning device according to claim 5, it is characterised in that：It is connected with motor on the cam.
7. a kind of casting cleaning device according to claim 6, it is characterised in that：It is welded with the on the first jack-up bar
Five connecting rods, the first jack-up bar are offseted by the 5th connecting rod with cam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810294333.8A CN108480601A (en) | 2018-03-30 | 2018-03-30 | A kind of casting cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810294333.8A CN108480601A (en) | 2018-03-30 | 2018-03-30 | A kind of casting cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108480601A true CN108480601A (en) | 2018-09-04 |
Family
ID=63317954
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810294333.8A Pending CN108480601A (en) | 2018-03-30 | 2018-03-30 | A kind of casting cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108480601A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759518A (en) * | 2019-01-12 | 2019-05-17 | 苏州市职业大学 | A kind of feeder |
| CN111770259A (en) * | 2020-07-24 | 2020-10-13 | 温州大学 | Portable laser night vision device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3026071B2 (en) * | 1996-10-30 | 2000-03-27 | 大新金型工業株式会社 | Air cleaning and dewatering equipment for die casting products |
| CN204052263U (en) * | 2014-08-08 | 2014-12-31 | 重庆远风机械有限公司 | Battery continuous grid casting ultrasonic wave on-line cleaning device |
| CN105953562A (en) * | 2016-05-11 | 2016-09-21 | 天津市天鹏建筑器材有限公司 | Plate spraying and drying equipment |
| CN206430509U (en) * | 2016-12-27 | 2017-08-22 | 无锡市灵通铸造有限公司 | A kind of cleaning, drying integrated device of casting |
| CN206676803U (en) * | 2017-03-01 | 2017-11-28 | 贵州大学 | A kind of mechanical casting Multifunctional cleaning device |
| CN107649448A (en) * | 2017-11-23 | 2018-02-02 | 江阴市灵达机械制造有限公司 | Aluminium casting cleaning device |
-
2018
- 2018-03-30 CN CN201810294333.8A patent/CN108480601A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3026071B2 (en) * | 1996-10-30 | 2000-03-27 | 大新金型工業株式会社 | Air cleaning and dewatering equipment for die casting products |
| CN204052263U (en) * | 2014-08-08 | 2014-12-31 | 重庆远风机械有限公司 | Battery continuous grid casting ultrasonic wave on-line cleaning device |
| CN105953562A (en) * | 2016-05-11 | 2016-09-21 | 天津市天鹏建筑器材有限公司 | Plate spraying and drying equipment |
| CN206430509U (en) * | 2016-12-27 | 2017-08-22 | 无锡市灵通铸造有限公司 | A kind of cleaning, drying integrated device of casting |
| CN206676803U (en) * | 2017-03-01 | 2017-11-28 | 贵州大学 | A kind of mechanical casting Multifunctional cleaning device |
| CN107649448A (en) * | 2017-11-23 | 2018-02-02 | 江阴市灵达机械制造有限公司 | Aluminium casting cleaning device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109759518A (en) * | 2019-01-12 | 2019-05-17 | 苏州市职业大学 | A kind of feeder |
| CN111770259A (en) * | 2020-07-24 | 2020-10-13 | 温州大学 | Portable laser night vision device |
| CN111770259B (en) * | 2020-07-24 | 2021-08-17 | 温州大学 | Portable laser night vision device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180904 |
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| RJ01 | Rejection of invention patent application after publication |