CN208391793U - Burnishing device for aviation precision shaft member - Google Patents
Burnishing device for aviation precision shaft member Download PDFInfo
- Publication number
- CN208391793U CN208391793U CN201821114771.3U CN201821114771U CN208391793U CN 208391793 U CN208391793 U CN 208391793U CN 201821114771 U CN201821114771 U CN 201821114771U CN 208391793 U CN208391793 U CN 208391793U
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- China
- Prior art keywords
- shaft member
- slide unit
- straight line
- line slide
- cylinder
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- 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.)
- Expired - Fee Related
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model relates to aviation part manufacture fields, in particular to it is used for the burnishing device of aviation precision shaft member, including loading assemblies, move material component and polishing assembly, loading assemblies include first base, delivery sheet and material stock storehouse, the first bar shaped holding tank for accommodating single shaft member is provided on delivery sheet, polishing assembly includes second base, first straight line slide unit, align clamp system and electrical grinding machine, the output end of electrical grinding machine be connected with one for polishing bistrique, first level cylinder and the first lifting cylinder are connected on the slide unit of first straight line slide unit, aligning clamp system includes mounting table, push rod and three-jaw cylinder, moving material component includes that clamping jaw mobile and for grabbing shaft member can be carried out between loading assemblies and polishing assembly, the burnishing device for aviation precision shaft member of the utility model, it can be automatically to accurate shaft member Outer wall carries out sanding and polishing, reduces cost of labor, while effectively raising production efficiency.
Description
Technical field
The utility model relates to aviation part manufacture fields, in particular to are used for the burnishing device of aviation precision shaft member.
Background technique
The development of aerospace cause is the leap progress of 20th century science and technology, the result that social production is advanced by leaps and bounds.Boat
The achievement of empty space flight has concentrated numerous New TownMovements of science and technology, aerospace operations so far, although being also the mankind
Initial several steps of this cradle of the earth are left, but its effect is far beyond science and technology field, to politics, economic, military
So that human society life all produces extensively and far-reaching influence, in industrial products, axial workpiece is suitable for one or more
In a numerical control machine tooling parts/maintenance operation, axial workpiece is one of the typical part frequently encountered in Hardware fitting, it leads
To be used to support transmission components, transmitting torque and receiving load, it is different by axial workpiece structure type, it generally can be divided into light
Axis, multi-diameter shaft and special-shaped axis three classes, or be divided into solid shafting, hollow shaft etc., many axis classes zero for field of aerospace
Part, to itself there is higher quality requirement, the outer wall of shaft member is needed by sanding and polishing step, to guarantee the light of its outer wall
It is sliding, shaft member is fixed on lathe by worker when current many workshops are to shaft member sanding and polishing, it is thrown for sander
Light, it is time-consuming and laborious and inefficient, it is therefore necessary to design a kind of equipment for capableing of automatic polishing shaft member outer wall.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, providing the polishing dress for aviation precision shaft member
It sets.
To solve the above problems, the utility model the following technical schemes are provided: be used for aviation precision shaft member burnishing device,
Including loading assemblies, material component and polishing assembly are moved, loading assemblies include first base, delivery sheet and material stock storehouse, and material stock storehouse is perpendicular
Directly be arranged in first base top and its inside have several shaft member to be processed, the setting that delivery sheet can move horizontally
At the outlet at bottom in material stock storehouse, and the top of delivery sheet is bonded setting with the bottom in material stock storehouse, is arranged on delivery sheet useful
In the first bar shaped holding tank for accommodating single shaft member, polishing assembly includes second base, first straight line slide unit, contraposition clamp system
And electrical grinding machine, first straight line slide unit, contraposition clamp system and electrical grinding machine are arranged at the top of second base, the output of electrical grinding machine
End be connected with one for polishing bistrique, be connected with first level cylinder and the first lifting air on the slide unit of first straight line slide unit
Cylinder, the first lifting cylinder are connect with the output end of first level cylinder, and electrical grinding machine is connect with the output end of the first lifting cylinder, right
Position clamp system include for placing the mounting table of shaft member, the push rod for pushing shaft member end and for clamping shaft member end
Three-jaw cylinder, what three-jaw cylinder can rotate is arranged in the end of shaft member, and bistrique is arranged in first straight line slide unit close to mounting table
Side, moving material component includes that folder mobile and for grabbing shaft member can be carried out between loading assemblies and polishing assembly
Pawl；
The shifting material component further includes inverted U bracket, the second lifting cylinder, rotating electric machine and movable block, and inverted U bracket is perpendicular
Straight setting and its top two sides are provided with several guiding optical axises, all guiding optical axises be in it is horizontally disposed, movable block
What both ends can be slided is set on all guiding optical axises, and the top side of inverted U bracket is additionally provided with a horizontal screw thread
Bar, top one end of inverted U bracket is arranged in for rotating electric machine and its output shaft is fixedly connected with one end of threaded rod, threaded rod
Connect with the screw top of movable block, the second lifting cylinder be in be vertically arranged in movable block bottom and its output end vertically to
Under, clamping jaw with the output end of the second lifting cylinder be fixedly connected.
Preferably, there are a second straight line slide unit, second straight line slide unit position in the top of the first base in horizontally disposed
In the side in material stock storehouse, in being horizontally set on the top slide unit of second straight line slide unit, the first bar shaped holding tank is arranged delivery sheet
In delivery sheet at the top of the one end in material stock storehouse, delivery sheet is provided with one for avoiding keeping away for clamping jaw close to the one end in material stock storehouse
Allow notch.
Preferably, a bar shaped sliding rail is provided at the top of the second base, bar shaped sliding rail is parallel with straight line slide unit, the
A horizontal connecting plate is fixedly installed on the sliding block of one straight line slide unit, the bottom of connecting plate is sliding by a sliding block and bar shaped
Rail is slidably connected, and first level cylinder is fixed at the top of connecting plate, and the output end of first level cylinder and first
Lifting cylinder is fixedly connected, and the first lifting cylinder is in be vertically arranged in the top of connecting plate, and the bottom of the first lifting cylinder
It is bonded with the top of connecting plate, the output end of the first lifting cylinder is connected with a L-type attachment base straight up, and electrical grinding machine is in
Level is fixed at the lower half of L-type pedestal.
The utility model has the advantages that the burnishing device provided by the utility model for aviation precision shaft member, it can be automatically to accurate axis
The outer wall of part carries out sanding and polishing, reduces cost of labor, while effectively raising production efficiency.
Detailed description of the invention
Fig. 1 show the schematic perspective view of the utility model；
Fig. 2 show the schematic perspective view of loading assemblies；
Fig. 3 show the stereochemical structure decomposing schematic representation of loading assemblies；
Fig. 4 show the schematic perspective view of polishing assembly；
Fig. 5 show the stereochemical structure decomposing schematic representation of polishing assembly；
Fig. 6 show the schematic perspective view of delivery sheet；
Fig. 7 show the sectional perspective structural schematic diagram of loading assemblies；
Fig. 8 show the schematic perspective view for moving material component；
Description of symbols: first base 1, delivery sheet 2, material stock storehouse 3, the first bar shaped holding tank 4, second base 5, first
Straight line slide unit 6, electrical grinding machine 7, bistrique 8, first level cylinder 9, the first lifting cylinder 10, mounting table 11, push rod 12, three-jaw cylinder
13, clamping jaw 14, second straight line slide unit 15 avoids notch 16, feeding plate 17, baffle 18, charging conduit 19, observation notch 20, installation
Plate 21, connecting column 22, microswitch 23, conflict block 24, limit switch 25, bar shaped sliding rail 26, connecting plate 27, sliding block 28, L-type connect
Joint chair 29, support plate 30, rotary cylinder 31, Article 2 shape holding tank 32, inverted U bracket 33, the second lifting cylinder 34, electric rotating
Machine 35, movable block 36 are oriented to optical axis 37, threaded rod 38.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment, specific embodiment of the utility model is described in further detail:
Referring to figs. 1 to the burnishing device shown in Fig. 8 for aviation precision shaft member, including loading assemblies, move material component and
Polishing assembly, loading assemblies include first base 1, delivery sheet 2 and material stock storehouse 3, and material stock storehouse 3 is vertically arranged in first base 1
Top and its inside have several shaft member to be processed, the bottom that delivery sheet 2 can move horizontally be arranged in material stock storehouse 3 goes out
At mouthful, and the top of delivery sheet 2 is bonded setting with the bottom in material stock storehouse 3, is provided on delivery sheet 2 for accommodating single shaft member
The first bar shaped holding tank 4.Polishing assembly includes second base 5, first straight line slide unit 6, aligns clamp system and electrical grinding machine 7,
First straight line slide unit 6, contraposition clamp system and electrical grinding machine 7 are arranged at the top of second base 5, and the output end of electrical grinding machine 7 connects
Be connected to one for polishing bistrique 8, be connected with first level cylinder 9 and the first lifting air on the slide unit of first straight line slide unit 6
Cylinder 10, the first lifting cylinder 10 are connect with the output end of first level cylinder 9, the output of electrical grinding machine 7 and the first lifting cylinder 10
End connection.Contraposition clamp system includes for placing the mounting table 11 of shaft member, the push rod 12 for pushing shaft member end and is used for
The three-jaw cylinder 13 of shaft member end is clamped, what three-jaw cylinder 13 can rotate is arranged in the end of shaft member, and bistrique 8 is arranged first
For straight line slide unit 6 close to the side of mounting table 11, moving material component includes that can be moved between loading assemblies and polishing assembly
And the clamping jaw 14 for grabbing shaft member.
There is a second straight line slide unit 15 at the top of the first base 1 in horizontally disposed, and second straight line slide unit 15 is located at
The side in material stock storehouse 3, in being horizontally set on the top slide unit of second straight line slide unit 15, the first bar shaped holding tank 4 is set delivery sheet 2
Set in delivery sheet 2 at the top of the one end in material stock storehouse 3, delivery sheet 2 close to the one end in material stock storehouse 3 be provided with one for avoid folder
The evacuation notch 16 of pawl 14, the first bar shaped that the shaft member in material stock storehouse 3 falls under gravity into 2 top of lower section delivery sheet accommodate
In slot 4, move forward delivery sheet 2 under the promotion of second straight line slide unit 15, so that the shaft member at the top of it will be fallen in from material stock
The underface in storehouse 3 removes.
The material stock storehouse 3 includes feeding plate 17 and baffle 18, and feeding plate 17 and baffle 18 are vertically arranged and feeding plate 17
Side be provided with the charging conduit 19 fallen naturally for shaft member, the top notch position of charging conduit 19 is ramp structure, baffle 18
The side of feeding plate 17 is set and is used to for charging conduit 19 being closed, the thickness of charging conduit 19 is equal to the diameter of single shaft member, falls
The width of hopper 19 is equal to the length of single shaft member, and the sight for observing shaft member quantity is provided in the middle part of the upper and lower side of baffle 18
Notch 20 is examined, all shaft member are put into charging conduit 19 from the top of feeding plate 17 and store, and the shaft member of bottommost naturally falls in lower section
In first bar shaped holding tank 4 of delivery sheet 2, delivery sheet 2 is mobile later removes the shaft member for clamping jaw 14 from the bottom in material stock storehouse 3
Crawl, evacuation notch 16 avoid clamping jaw 14 and collide with delivery sheet 2.
The back side fitting of the feeding plate 17 is provided with a mounting plate 21, and the bottom both ends of mounting plate 21 pass through one respectively
A connecting column 22 being vertically arranged is connect with the top of first base 1, and the both ends of mounting plate 21 are respectively provided with there are two for feeding plate
The fixed bolt adjustment hole of 17 installations, bolt adjustment hole are strip and are in be vertically arranged, and bolt adjustment hole is the peace of feeding plate 17
The surplus moved up and down is provided when dress, so that feeding plate 17 is installed its rear bottom and the top of feeding plate 17 and is pasted
It closes.
The width of the delivery sheet 2 is less than the length of single shaft member, and the top of first base 1 is provided with one for shaft member end
The microswitch 23 of portion's contact, microswitch 23 are located at the underface of 17 one end of feeding plate, and microswitch 23 is electrically connected with outside PLC
It connects, executive component is controlled by external PLC, the shaft member of bottommost falls into the first bar shaped holding tank 4 it in material stock storehouse 3
Afterwards, one end of the shaft member touches microswitch 23, is acted to connect second straight line slide unit 15, forward by delivery sheet 2
Push returns to original position after clamping jaw 14 clamps shaft member.
The slide unit side of the second straight line slide unit 15 is fixedly connected with a conflict block 24, and the top of first base 1 is set
The limit switch 25 touched there are two setting for conflict block 24, two intervals of limit switches 25 are arranged and conflict block 24 is located at two
Between limit switch 25, when the output slide unit of second straight line slide unit 15 drives delivery sheet 2 mobile, until conflict block 24 touches one
Stop when limit switch 25, when second straight line slide unit 15 drives 2 return of delivery sheet, until when touching another limit switch 25
Stop.
The top of the second base 5 is provided with a bar shaped sliding rail 26, and bar shaped sliding rail 26 is parallel with straight line slide unit, and first
A horizontal connecting plate 27 is fixedly installed on the sliding block 28 of straight line slide unit 6, the bottom of connecting plate 27 passes through a sliding block 28
It is slidably connected with bar shaped sliding rail 26, first level cylinder 9 is fixed at the top of connecting plate 27, and first level cylinder 9
Output end be fixedly connected with the first lifting cylinder 10, the first lifting cylinder 10 be in be vertically arranged in the top of connecting plate 27, and
And first the bottom of lifting cylinder 10 be bonded with the top of connecting plate 27, the output end of the first lifting cylinder 10 connects straight up
It is connected to a L-type attachment base 29, electrical grinding machine 7 is fixed at the lower half of L-type pedestal in level, when clamping jaw 14 grabs shaft member simultaneously
After being moved to 11 top of mounting table, push rod 12, which stretches out, pushes shaft member, until the other end of shaft member is pushed to three-jaw cylinder
At 13 center, three-jaw cylinder 13 clamps the end of shaft member, and first level cylinder 9 stretches out at this time, and the first lifting cylinder
10 declines, so that bistrique 8 is contacted with the outer cylindrical wall of shaft member, electrical grinding machine 7 is with 8 high-speed rotation of rotary bistrique to the outer cylindrical wall of shaft member
It is polished, while first straight line slide unit 6 is moved in the axial direction of shaft member with rotary bistrique 8, thus to the outer of entire shaft member
Cylindrical wall is polished.
Side of the line slide rail close to loading assemblies, the top vertical of second base 5 is arranged in the contraposition clamp system
It is provided with a support plate 30, support plate 30, mounting table 11 and push rod 12 are arranged in a linear, and support plate 30 is close to mounting table 11
Side is connected with the rotary cylinder being vertically arranged 31, and three-jaw cylinder 13 is in the output end for being vertically arranged in rotary cylinder 31
On, side of the mounting table 11 far from support plate 30 is arranged in push rod 12, and the output end of push rod 12 faces mounting table 11, puts
The top for setting platform 11 is provided with Article 2 shape holding tank 32 for accommodating single shaft member, and three-jaw cylinder 13, Article 2 are described
Receive 12 three's coaxial line of slot 32 and push rod, Article 2 shape holding tank 32 is V-groove, for the top for being placed in mounting table 11 that shaft member is stable
Portion, rotary cylinder 31 are able to carry out 360 ° of reciprocating rotation back and forth, when bistrique 8 polishes to shaft member outer cylindrical wall, rotation
Cylinder 31 drives the slow reciprocating rotation of shaft member, so that bistrique 8 be enable to polish the entire outer cylindrical wall of shaft member.
Shifting material component further includes inverted U bracket 33, the second lifting cylinder 34, rotating electric machine 35 and movable block 36, U
Type bracket 33 is vertically arranged and its top two sides is provided with several guiding optical axises 37, and all guiding optical axises 37 are in level
Setting, what the both ends of movable block 36 can be slided is set on all guiding optical axises 37, and the top side of inverted U bracket 33 is also set
It is equipped with a horizontal threaded rod 38, top one end of inverted U bracket 33 is arranged in and its output shaft and spiral shell in rotating electric machine 35
One end of rasp bar 38 is fixedly connected, and threaded rod 38 is connect with the screw top of movable block 36, and the second lifting cylinder 34 is in set vertically
Set movable block 36 bottom and its output end straight down, clamping jaw 14 and the output end of the second lifting cylinder 34 fixed connect
It connects, rotating electric machine 35 drives the rotation of threaded rod 38 to make movable block 36 carry out transverse shifting, and 34 band of the second lifting cylinder is taken offence
Pawl moves up and down, so that the shaft member on lower section delivery sheet 2 be grabbed and be moved to the top of mounting table 11.
Working principle: all shaft member are put into charging conduit 19 from the top of feeding plate 17 and store when use, in material stock storehouse 3
Shaft member is fallen under gravity into the first bar shaped holding tank 4 at 2 top of lower section delivery sheet, in the promotion of second straight line slide unit 15
Under move forward delivery sheet 2, which is removed from the bottom in material stock storehouse 3 and is grabbed for clamping jaw 14, evacuation notch 16 avoids
Clamping jaw 14 collides with delivery sheet 2, after the shaft member of bottommost is fallen into the first bar shaped holding tank 4 in material stock storehouse 3, one end of the shaft member
Microswitch 23 is touched, is acted to connect second straight line slide unit 15, delivery sheet 2 is pushed forward, is pressed from both sides to clamping jaw 14
After taking shaft member, original position is returned to, bolt adjustment hole makes feeding plate to provide the surplus moved up and down when the installation of feeding plate 17
17, which are installed its rear bottom, to be bonded with the top of feeding plate 17, when clamping jaw 14 grabs shaft member and is moved to mounting table
Behind 11 tops, push rod 12, which stretches out, pushes shaft member, until the other end of shaft member is pushed at the center of three-jaw cylinder 13, three-jaw gas
Cylinder 13 clamps the end of shaft member, and first level cylinder 9 stretches out at this time, and the first lifting cylinder 10 declines so that bistrique 8 with
The outer cylindrical wall of shaft member contacts, and electrical grinding machine 7 polishes the outer cylindrical wall of shaft member with 8 high-speed rotation of rotary bistrique, while first
Straight line slide unit 6 is moved in the axial direction of shaft member with rotary bistrique 8, so that the outer cylindrical wall to shaft member polishes, Article 2
Shape holding tank 32 is V-groove, and for the top for being placed in mounting table 11 that shaft member is stable, rotary cylinder 31 is able to carry out 360 ° back and forth
Reciprocating rotation, when bistrique 8 polishes to shaft member outer cylindrical wall, rotary cylinder 31 drives the slow reciprocating rotation of shaft member, from
And bistrique 8 is enable to polish the entire outer cylindrical wall of shaft member.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model
Any restrictions out, thus it is any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent
Variation and modification, in the range of still falling within the technical solution of the utility model.
Claims (3)
1. being used for the burnishing device of aviation precision shaft member, it is characterised in that: including loading assemblies, material component and polishing assembly are moved,
Loading assemblies include that first base (1), delivery sheet (2) and material stock storehouse (3), material stock storehouse (3) are vertically arranged in first base (1)
Top and its inside have several shaft member to be processed, bottom of the setting that delivery sheet (2) can move horizontally in material stock storehouse (3)
Portion exit, and the top of delivery sheet (2) is bonded setting with the bottom of material stock storehouse (3), and delivery sheet is provided on (2) for holding
Receive the first bar shaped holding tank (4) of single shaft member；Polishing assembly includes second base (5), first straight line slide unit (6), contraposition folder
Tight mechanism and electrical grinding machine (7), first straight line slide unit (6), contraposition clamp system and electrical grinding machine (7) are arranged at second base (5)
Top, the output end of electrical grinding machine (7) be connected with one for polishing bistrique (8), connect on the slide unit of first straight line slide unit (6)
It is connected to first level cylinder (9) and the first lifting cylinder (10), the output of the first lifting cylinder (10) and first level cylinder (9)
End connection, electrical grinding machine (7) are connect with the output end of the first lifting cylinder (10)；Aligning clamp system includes for placing shaft member
Mounting table (11), the push rod (12) for pushing shaft member end and the three-jaw cylinder (13) for clamping shaft member end, three-jaw gas
The end that shaft member is arranged in that cylinder (13) can rotate, bistrique (8) setting is in first straight line slide unit (6) close to mounting table (11)
Side；Moving material component includes that clamping jaw mobile and for grabbing shaft member can be carried out between loading assemblies and polishing assembly
(14)；
The shifting material component further includes inverted U bracket (33), the second lifting cylinder (34), rotating electric machine (35) and movable block
(36), inverted U bracket (33) is vertically arranged and its top two sides is provided with several guiding optical axises (37), all guiding light
Axis (37) is in being horizontally disposed with, and what the both ends of movable block (36) can be slided is set on all guiding optical axises (37), inverted U branch
The top side of frame (33) is additionally provided with a horizontal threaded rod (38), and rotating electric machine (35) is arranged in inverted U bracket (33)
Top one end and its output shaft be fixedly connected with one end of threaded rod (38), the top of threaded rod (38) and movable block (36)
It is threadedly coupled, the second lifting cylinder (34) straight down, is pressed from both sides in the bottom and its output end for being vertically arranged in movable block (36)
Pawl (14) with the output end of the second lifting cylinder (34) be fixedly connected.
2. the burnishing device according to claim 1 for aviation precision shaft member, it is characterised in that: the first base
(1) there is a second straight line slide unit (15) at top in horizontally disposed, and second straight line slide unit (15) is located at the one of material stock storehouse (3)
Side, in being horizontally set on the top slide unit of second straight line slide unit (15), the setting of the first bar shaped holding tank (4) exists delivery sheet (2)
For delivery sheet (2) at the top of the one end of material stock storehouse (3), delivery sheet (2) is provided with one for keeping away close to the one end of material stock storehouse (3)
Allow the evacuation notch (16) of clamping jaw (14).
3. the burnishing device according to claim 1 for aviation precision shaft member, it is characterised in that: the second base
(5) a bar shaped sliding rail (26) is provided at the top of, bar shaped sliding rail (26) is parallel with straight line slide unit, first straight line slide unit (6)
A horizontal connecting plate (27) is fixedly installed on sliding block (28), the bottom of connecting plate (27) passes through a sliding block (28) and item
Shape sliding rail (26) is slidably connected, and first level cylinder (9) is fixed at the top of connecting plate (27), and first level cylinder
(9) output end is fixedly connected with the first lifting cylinder (10), and the first lifting cylinder (10) is in be vertically arranged in connecting plate (27)
Top, and the bottom of the first lifting cylinder (10) is bonded with the top of connecting plate (27), the first lifting cylinder (10) it is defeated
Outlet is connected with a L-type attachment base (29) straight up, and electrical grinding machine (7) is fixed at the lower half of L-type pedestal in level.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821114771.3U CN208391793U (en) | 2018-07-14 | 2018-07-14 | Burnishing device for aviation precision shaft member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821114771.3U CN208391793U (en) | 2018-07-14 | 2018-07-14 | Burnishing device for aviation precision shaft member |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208391793U true CN208391793U (en) | 2019-01-18 |
Family
ID=65131760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821114771.3U Expired - Fee Related CN208391793U (en) | 2018-07-14 | 2018-07-14 | Burnishing device for aviation precision shaft member |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208391793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548727A (en) * | 2020-12-07 | 2021-03-26 | 钦安东 | Batch processing and grinding device for surfaces of plastic plates |
-
2018
- 2018-07-14 CN CN201821114771.3U patent/CN208391793U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548727A (en) * | 2020-12-07 | 2021-03-26 | 钦安东 | Batch processing and grinding device for surfaces of plastic plates |
| CN112548727B (en) * | 2020-12-07 | 2022-05-17 | 西安埃森克建筑科技有限公司 | Batch processing and grinding device for surfaces of plastic plates |
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Legal Events
| 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: 20190118 Termination date: 20210714 |