CN208879026U - A kind of classification mixing arrangement that sand finely screens - Google Patents
A kind of classification mixing arrangement that sand finely screens Download PDFInfo
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- CN208879026U CN208879026U CN201820843844.6U CN201820843844U CN208879026U CN 208879026 U CN208879026 U CN 208879026U CN 201820843844 U CN201820843844 U CN 201820843844U CN 208879026 U CN208879026 U CN 208879026U
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Abstract
The utility model discloses a kind of classification mixing arrangements that sand finely screens, and the utility model relates to sands to screen hybrid technology field.Including cabinet, the top of the cabinets cavity is connected with shake case by resilient mounting, and the two sides for shaking case are fixedly connected to fixed plate, the bottom of the fixed plate is fixedly connected with arc panel by strut, the classification mixing arrangement that the sand finely screens, auxiliary material inlet port and outlet port are successively offered from top to bottom by the right side wall of cabinet, the opening being adapted to feed pipe is begun at the top of cabinet, the bottom plate of shake case offers material leakage plate, feed-throughs are offered at the top of rotating box, the surface of pushing plate and position corresponding with drainage conduit offers through-hole compatible with drainage conduit, it can will be mixed after sand category filter according to different property, this solves the problems, such as that sand screening plant at present on the market is not achieved to classify different types of sand and mixes.
Description
Technical field
The utility model relates to sands to screen hybrid technology field, the specially a kind of classification that sand finely screens mixing dress
It sets.
Background technique
Sand is composition one of concrete and the main composition material of mortar, is large material of civil engineering, sand generally divides
For two class of natural sand and artificial sand.It is formed by natural conditions effect (mainly rock weathering), partial size is in 5mm rock below
Stone particle, referred to as natural sand.Artificial sand is formed by rock grating, since at high cost, sheet and powder are more, is not had to generally,
Source difference is produced by it, natural sand can be divided into river sand, sea sand and mountain sand.Mountain sand rough surface, particle is multi-angular, and silt content is higher,
Organic impurity content is also more, second-rate.Sea sand and river sand surface are round and smooth, and single sea sand also salinity is more, to concrete and sand
Slurry has certain influence, and river sand is more clean, and application is wider.The fineness of sand refers to what the sand grains of different-grain diameter mixed
Average thickness degree.The voidage of sand depends on the collocation degree of sand material partial sizes at different levels.The sand that grade prepares, can not only save
Cement is saved, the compactness and intensity of concrete and mortar are also improved.
Current existing sand screening plant can not be accomplished to carry out sand fine screening, and being not achieved will be not of the same race
The sand of class, which is classified, to be mixed, and can not be dried to sand in the screening process of sand, this will cause sand fineness not
Enough, offending sand is not available at all in some engineerings, and cannot be classified to mix sand and auxiliary material and can be made to mix
The melange of completion cannot use, and needing to process again can just come into operation, and sand is in screening on the way if there is moisture will affect
Screening effect, and the sand with moisture may be attached to inside screening plant, will cause Severe blockage over time, this
It can not only allow screening to become the more troublesome sand that also will increase and sieve mixed cost, and more times can be expended, be unfavorable for
People use.
Utility model content
In view of the deficiencies of the prior art, the utility model provides a kind of classification mixing arrangement that sand finely screens, solution
Current existing sand screening plant of having determined can not be accomplished to carry out sand fine screening, and being not achieved will be different types of
Sand classification mixing, the problem of can not being dried to sand in the screening process of sand.
In order to achieve the above object, the utility model is achieved by the following technical programs: what a kind of sand finely screened
Classification mixing arrangement, including cabinet, the top of the cabinets cavity is connected with shake case by resilient mounting, and shakes
The two sides of case are fixedly connected to fixed plate, and the bottom of the fixed plate is fixedly connected with arc panel, and arc by strut
The side of plate is fixedly connected with the side of shake case, and the two sides of the cabinet wall are fixedly connected to support plate, and support
Baffle is fixedly connected at the top of plate, the side of the baffle is fixedly connected with rotary electric machine by motor base, and rotates
The output shaft of motor is fixedly connected with the first moving gear, and the side of first moving gear is engaged with the second moving gear, and
Two moving gears are rotatablely connected by the top of shaft and baffle, are engaged with third moving gear between two second moving gears,
And rotating box is fixedly connected in the middle part of third moving gear, the two sides of the rotating box bottom are fixedly connected to hydraulic air
Cylinder, and the telescopic rod of hydraulic cylinder is fixedly connected with pushing plate, and the two sides of the pushing plate are fixedly connected to striker plate, and
And support rod is rotatably connected in the middle part of rotating box bottom, the support rod runs through pushing plate and extends to the bottom of pushing plate,
The bottom of the support rod is fixedly connected with cross supporting frame, two sides of the cabinets cavity and bottom for being located at arc panel is fixed
It is connected with rotor plate, and the top of rotor plate is fixedly connected with shake motor by motor base, and shakes the defeated of motor
Shaft is fixedly connected with arc push plate compatible with arc panel.
Preferably, the left side of the cabinet is fixedly connected with stirring motor by motor base, and stirring motor is defeated
Shaft is fixedly connected with the first stirring gear, and the top and bottom of the first stirring gear are engaged with the second stirring gear,
And the side of the second stirring gear is fixedly connected to stirring rod, and one end of the stirring rod is run through the left side wall of cabinet and prolonged
The right side wall of the inner cavity and cabinets cavity that extend to cabinet is rotatablely connected, and the surface of the stirring rod is fixedly connected with auger leaf
Piece between two stirring rods and is located at the right side wall of cabinet and is fixedly connected with material transfer plate.
Preferably, the right side wall of the cabinet successively offers auxiliary material inlet port and outlet port from top to bottom.
Preferably, it is communicated with feed pipe at the top of the shake case, and begins at the top of cabinet and is adapted to feed pipe
Opening, described and top of the box two sides pass through pedestal and are fixedly connected with air-heater.
Preferably, the resilient mounting includes rebound shell, and the top of the rebound shell and the top of cabinets cavity are solid
Fixed connection, and the inner cavity for springing back shell is fixedly connected with spring, and the bottom of the spring is fixedly connected with movable block, and moves
The two sides of motion block and the inner cavity of rebound shell are slidably connected, and the bottom of the movable block is fixedly connected with rebound bar, the rebound
The bottom end of bar is through the bottom for springing back shell and extends to outside the bottom of rebound shell, the bottom end and shake case top of the rebound bar
The two sides in portion are fixedly connected.
Preferably, the bottom of the rotating box offers drainage conduit, the surface of the pushing plate and corresponding with drainage conduit
Position offer through-hole compatible with drainage conduit.
Preferably, the bottom of the rotating box two sidewalls, which begins to sell, filter screen, and the bottom plate for shaking case offers material leakage
Plate offers feed-throughs at the top of the rotating box.
Beneficial effect
The utility model provides a kind of classification mixing arrangement that sand finely screens.Have it is following the utility model has the advantages that
1, the classification mixing arrangement that (1), the sand finely screen passes through resilient mounting activity by the top of cabinets cavity
It is connected with shake case, the two sides for shaking case are fixedly connected to fixed plate, and the bottom of fixed plate is fixedly connected with arc by strut
The side of shape plate, arc panel is fixedly connected with the side of shake case, and the two sides of cabinet wall are fixedly connected to support plate, support
Be fixedly connected with baffle at the top of plate, the side of baffle is fixedly connected with rotary electric machine by motor base, rotary electric machine it is defeated
Shaft is fixedly connected with the first moving gear, and the side of the first moving gear is engaged with the second moving gear, and the second moving gear passes through shaft
It is rotatablely connected with the top of baffle, is engaged with third moving gear between two the second moving gears, the middle part of third moving gear is fixed
It is connected with rotating box, the two sides of rotating box bottom are fixedly connected to hydraulic cylinder, and the telescopic rod of hydraulic cylinder is fixedly connected with
Pushing plate, the two sides of pushing plate are fixedly connected to striker plate, support rod, support rod are rotatably connected in the middle part of rotating box bottom
Through pushing plate and extending to the bottom of pushing plate, the bottom of support rod is fixedly connected with cross supporting frame, and the two of cabinets cavity
Side and the bottom for being located at arc panel are fixedly connected with rotor plate, and the top of rotor plate is fixedly connected with shake electricity by motor base
Machine, the output shaft for shaking motor are fixedly connected with arc push plate compatible with arc panel, can pass through repeatedly effective screening
The biggish sand for including in sand is rejected completely afterwards, this, which solves sand screening plant on the market at present, can not accomplish pair
The problem of sand is finely screened provides support and damping, while also increasing integral installation area；Load excessive hinders
When turning phenomenon, gap is caused to become larger, so that the torque of transmission reduces, can be very good to protect the device, avoided in larger resistance
It is rotated under power, the device is made to have the effect of practicability enhancing.The layer of structure diversity of structure entirety is effectively ensured, to guarantee
The structural stability and fastness of structure entirety, so that integral mechanical structure has strengths in tension and compression, mechanical moduli and heat-resisting
The performances such as property.Cooperation plays good mechanical performance and insulation performance.
(2), the classification mixing arrangement that the sand finely screens successively is offered auxiliary from top to bottom by the right side wall of cabinet
To expect inlet port and outlet port, begins with the opening being adapted to feed pipe at the top of cabinet, the bottom plate for shaking case offers material leakage plate,
Offer feed-throughs at the top of rotating box, the surface of pushing plate and position corresponding with drainage conduit offers and drainage conduit phase
The through-hole of adaptation can will mix after sand category filter according to different property, this solves sand at present on the market
The problem of mixing the classification of different types of sand is not achieved in sub- screening plant.
(3), the classification mixing arrangement that the sand finely screens is fixedly connected by pedestal by the two sides of top of the box
There is air-heater, can dry in sand and sand is further dried on the way, the moisture in sand can be removed, solve current city
The problem of sand screening plant on face cannot dry sand in the screening process of sand.
(4), the classification mixing arrangement that the sand finely screens includes rebound shell by resilient mounting, springs back shell
It is fixedly connected at the top of top and cabinets cavity, the inner cavity for springing back shell is fixedly connected with spring, and the bottom of spring is fixedly connected
There is movable block, the two sides of movable block and the inner cavity of rebound shell are slidably connected, and the bottom of movable block is fixedly connected with rebound bar, returns
The bottom end of elastic rod is through the bottom for springing back shell and extends to outside the bottom of rebound shell, springs back the bottom end and shake box top of bar
Two sides be fixedly connected, buffering can be played the role of in shake case shake, this solves point that existing sand finely screens
The problem of class mixing arrangement does not play buffering effect to shake case.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the structural schematic diagram of the utility model resilient mounting；
Fig. 3 is the top view that the utility model rotates box structure；
Fig. 4 is the top view that the utility model shakes electric machine structure；
Fig. 5 is the top view of the utility model cross supporting frame structure,
In figure: 1- cabinet, 2- resilient mounting, 201- rebound shell, 202- spring, 203- movable block, 204- spring back bar, 3-
Shake case, 4- fixed plate, 5- arc panel, 6- support plate, 7- baffle, 8- rotary electric machine, the first moving gear of 9-, the second movable tooth of 10-
Wheel, 11- third moving gear, 12- rotating box, 13- hydraulic cylinder, 14- pushing plate, 15- striker plate, 16- cross supporting frame, 17-
Rotor plate, 18- shake motor, the push plate of 19- arc, 20- stirring motor, 21- first stir gear, 22- second stir gear,
23- stirring rod, 24- helical mixing blade, 25- material transfer plate, 26- auxiliary material feed inlet, 27- discharge port, 28- feed pipe, 29- hot wind
Machine, 30- drainage conduit, 31- filter screen, 32- material leakage plate, 33- support rod, 34- feed-throughs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of classification that sand finely screens mixing dress
It sets, including cabinet 1, the right side wall of the cabinet 1 successively offers auxiliary material feed inlet 26 and discharge port 27, the case from top to bottom
The left side of body 1 is fixedly connected with stirring motor 20 by motor base, and the bottom of motor base is in same with the bottom of cabinet 1
Horizontal line, the output shaft of stirring motor 20 is provided with retarder, and the output shaft of stirring motor 20 is fixedly connected with first and stirs
The top and bottom of teeth wheel 21, the first stirring gear 21 are engaged with the second stirring gear 22, and the second stirrer gear
The side of wheel 22 is fixedly connected to stirring rod 23, and one end of the stirring rod 23 runs through the left side wall of cabinet 1 and extends to case
The inner cavity of body 1 and the right side wall of 1 inner cavity of cabinet are rotatablely connected, and the surface of the stirring rod 23 is fixedly connected with helical mixing blade
24, the direction of two helical mixing blades 24 is opposite.It is fixed between two stirring rods 23 and positioned at the right side wall of cabinet 1
It is connected with material transfer plate 25, the top of 1 inner cavity of cabinet is connected with shake case 3, the resilient mounting by resilient mounting 2
2 include rebound shell 201, is fixedly connected at the top of the top and 1 inner cavity of cabinet of the rebound shell 201, and spring back shell
201 inner cavity is fixedly connected with spring 202, and the bottom of the spring 202 is fixedly connected with movable block 203, and movable block 203
Two sides and spring back shell 201 inner cavity be slidably connected, the bottom of the movable block 203 be fixedly connected with rebound bar 204, it is described
The bottom end of rebound bar 204 is through the bottom for springing back shell 201 and extends to outside the bottom of rebound shell 201, the rebound bar 204
Bottom end be fixedly connected with the two sides at shake case 3 top, the top of the shake case 3 is communicated with feed pipe 28, and cabinet 1
Top begins with the opening being adapted to feed pipe 28, and described and 1 top of cabinet two sides pass through pedestal and are fixedly connected with hot wind
Machine 29, the air outlet of air-heater 29 is towards bottom, and the two sides for shaking case 3 are fixedly connected to fixed plate 4, the fixed plate
4 bottom is fixedly connected with arc panel 5 by strut, and the side of arc panel 5 is fixedly connected with the side of shake case 3, institute
The two sides for stating 1 inner wall of cabinet are fixedly connected to support plate 6, and the top of support plate 6 is fixedly connected with baffle 7, the gear
The side of plate 7 is fixedly connected with rotary electric machine 8 by motor base, and the output shaft of rotary electric machine 8 is provided with retarder, and turns
The output shaft of dynamic motor 8 is fixedly connected with the first moving gear 9, and the side of first moving gear 9 is engaged with the second moving gear 10,
And the second moving gear 10 is rotatablely connected by the top of shaft and baffle 7, is engaged between two second moving gears 10
Third moving gear 11, and the middle part of third moving gear 11 is fixedly connected with rotating box 12, and the bottom of the rotating box 12 opens up
There is drainage conduit 30, the surface of the pushing plate 14 and position corresponding with drainage conduit 30 offer compatible with drainage conduit 30
The bottom plate for having filter screen 31, and shaking case 3 that begins to sell of the bottom of 12 two sidewalls of rotating box described in through-hole offers material leakage plate 32, institute
The top for stating rotating box 12 offers feed-throughs 34, and the two sides of 12 bottom of rotating box are fixedly connected to hydraulic cylinder
13, and the telescopic rod of hydraulic cylinder 13 is fixedly connected with pushing plate 14, and the two sides of the pushing plate 14 are fixedly connected to gear
Flitch 15, and support rod 33 is rotatably connected in the middle part of 12 bottom of rotating box, the support rod 33 is through pushing plate 14 and prolongs
Extending to the bottom of pushing plate 14, the bottom of the support rod 33 is fixedly connected with cross supporting frame 16, and the two of 1 inner cavity of cabinet
Side and the bottom for being located at arc panel 5 are fixedly connected with rotor plate 17, and the top of rotor plate 17 connects by the way that motor base is fixed
It is connected to shake motor 18, and the output shaft for shaking motor 18 is fixedly connected with arc push plate 19 compatible with arc panel 5.
When work, the sand screened will be needed to be put into from feed inlet 28, open the switch of shake motor 18, shake motor 18
Arc push plate 19 is driven to push arc panel 5 mobile, arc panel 5 drives shake 3 jin of sands of case to tremble by material leakage plate 32 into rotating box
In 12, the switch of rotary electric machine 8 is opened, rotary electric machine passes through the first moving gear 9 respectively and the second moving gear 10 drives third dynamic
Gear 11 rotates, and third moving gear 11 drives rotating box 12 to rotate, and opens the switch of hydraulic cylinder 13, and hydraulic cylinder 13 pushes away
Movable plate 14 drives striker plate 15 far from filter screen 31, until filter screen 31 fully opens, rotating box 12 can be by sand from filtering
Net 31 is thrown away, while sand is mixed the auxiliary material needed and is put into from auxiliary material feed inlet 26, opens the switch of stirring motor 20, stirring
Motor 20 drives stirring rod 23 to rotate by the first stirring gear 21 and the second stirring gear 22 respectively, stirring rod 23 by sand and
Then auxiliary material mixing is released the mixture mixed from discharge port 27.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions.By sentence " element limited including one ..., it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element ".
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. a kind of classification mixing arrangement that sand finely screens, including cabinet (1), it is characterised in that: cabinet (1) inner cavity
Top is connected with shake case (3) by resilient mounting (2), and the two sides for shaking case (3) are fixedly connected to fixed plate
(4), the bottom of fixed plate (4) is fixedly connected with arc panel (5) by strut, and the side of arc panel (5) and shake case (3)
Side be fixedly connected, the two sides of cabinet (1) inner wall are fixedly connected to support plate (6), and the top of support plate (6)
It is fixedly connected with baffle (7), the side of baffle (7) is fixedly connected with rotary electric machine (8) by motor base, and rotary electric machine
(8) output shaft is fixedly connected with the first moving gear (9), and the side of first moving gear (9) is engaged with the second moving gear
(10), and the second moving gear (10) is rotatablely connected by the top of shaft and baffle (7), two second moving gears (10)
Between be engaged with third moving gear (11), and rotating box (12) are fixedly connected in the middle part of third moving gear (11), described turn
The two sides of dynamic case (12) bottom are fixedly connected to hydraulic cylinder (13), and the telescopic rod of hydraulic cylinder (13) is fixedly connected with
The two sides of pushing plate (14), the pushing plate (14) are fixedly connected to striker plate (15), and in rotating box (12) bottom
Portion is rotatably connected to support rod (33), and the support rod (33) runs through pushing plate (14) and extends to the bottom of pushing plate (14),
The bottom of the support rod (33) is fixedly connected with cross supporting frame (16), the two sides of cabinet (1) inner cavity and be located at arc
The bottom of plate (5) is fixedly connected with rotor plate (17), and the top of rotor plate (17) is fixedly connected with by motor base and is trembled
Dynamic motor (18), and the output shaft for shaking motor (18) is fixedly connected with and arc panel (5) compatible arc push plate (19).
2. the classification mixing arrangement that a kind of sand according to claim 1 finely screens, it is characterised in that: the cabinet
(1) left side is fixedly connected with stirring motor (20) by motor base, and the output shaft of stirring motor (20) is fixedly connected
There is the first stirring gear (21), the top and bottom of first stirring gear (21) are engaged with the second stirring gear (22),
And the side of the second stirring gear (22) is fixedly connected to stirring rod (23), and cabinet is run through in one end of the stirring rod (23)
(1) the left side wall and right side wall of the inner cavity and cabinet (1) inner cavity that extend to cabinet (1) is rotatablely connected, the stirring rod (23)
Surface be fixedly connected with helical mixing blade (24), between two stirring rods (23) and be located at cabinet (1) right side wall
It is fixedly connected with material transfer plate (25).
3. the classification mixing arrangement that a kind of sand according to claim 1 finely screens, it is characterised in that: the cabinet
(1) right side wall successively offers auxiliary material feed inlet (26) and discharge port (27) from top to bottom.
4. the classification mixing arrangement that a kind of sand according to claim 1 finely screens, it is characterised in that: the shake case
(3) it is communicated at the top of feed pipe (28), and begins with the opening being adapted to feed pipe (28) at the top of cabinet (1), it is described
And the two sides at the top of cabinet (1) pass through pedestal and are fixedly connected with air-heater (29).
5. the classification mixing arrangement that a kind of sand according to claim 1 finely screens, it is characterised in that: the rebound dress
Setting (2) includes rebound shell (201), is fixedly connected at the top of the top and cabinet (1) inner cavity of rebound shell (201), and
And the inner cavity for springing back shell (201) is fixedly connected with spring (202), the bottom of the spring (202) is fixedly connected with movable block
(203), and the two sides of movable block (203) and the inner cavity of rebound shell (201) are slidably connected, the bottom of the movable block (203)
Portion is fixedly connected with rebound bar (204), and the bottom end of rebound bar (204) through the bottom for springing back shell (201) and extends to
It springs back outside the bottom of shell (201), the bottom end of rebound bar (204) is fixedly connected with the two sides at the top of shake case (3).
6. the classification mixing arrangement that a kind of sand according to claim 1 finely screens, it is characterised in that: the rotating box
(12) bottom offers drainage conduit (30), and the surface and position corresponding with drainage conduit (30) of the pushing plate (14) open up
Have and drainage conduit (30) compatible through-hole.
7. the classification mixing arrangement that a kind of sand according to claim 1 finely screens, it is characterised in that: the rotating box
(12) bottom plate that the bottom of two sidewalls, which begins to sell, to be had filter screen (31), and shake case (3) offers material leakage plate (32), the rotation
Feed-throughs (34) are offered at the top of case (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820843844.6U CN208879026U (en) | 2018-06-01 | 2018-06-01 | A kind of classification mixing arrangement that sand finely screens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820843844.6U CN208879026U (en) | 2018-06-01 | 2018-06-01 | A kind of classification mixing arrangement that sand finely screens |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208879026U true CN208879026U (en) | 2019-05-21 |
Family
ID=66505154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820843844.6U Expired - Fee Related CN208879026U (en) | 2018-06-01 | 2018-06-01 | A kind of classification mixing arrangement that sand finely screens |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208879026U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110152395A (en) * | 2019-07-09 | 2019-08-23 | 金华愉悦机械科技有限公司 | A kind of manufacture machine of the modified dedusting filtrate of nano-tourmaline |
| CN114001624A (en) * | 2021-11-17 | 2022-02-01 | 宁波易威欧新材料有限公司 | Needle tubing external diameter detection device |
-
2018
- 2018-06-01 CN CN201820843844.6U patent/CN208879026U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110152395A (en) * | 2019-07-09 | 2019-08-23 | 金华愉悦机械科技有限公司 | A kind of manufacture machine of the modified dedusting filtrate of nano-tourmaline |
| CN114001624A (en) * | 2021-11-17 | 2022-02-01 | 宁波易威欧新材料有限公司 | Needle tubing external diameter detection device |
| CN114001624B (en) * | 2021-11-17 | 2023-12-22 | 宁波易威欧新材料有限公司 | Needle tube outer diameter detection device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190521 Termination date: 20200601 |
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| CF01 | Termination of patent right due to non-payment of annual fee |