CN107718583A - Button presses core rod tool - Google Patents
Button presses core rod tool Download PDFInfo
- Publication number
- CN107718583A CN107718583A CN201711201362.7A CN201711201362A CN107718583A CN 107718583 A CN107718583 A CN 107718583A CN 201711201362 A CN201711201362 A CN 201711201362A CN 107718583 A CN107718583 A CN 107718583A
- Authority
- CN
- China
- Prior art keywords
- core rod
- plate
- bottom plate
- button
- pressing plate
- 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.)
- Granted
Links
- 238000003825 pressing Methods 0.000 claims abstract description 52
- 230000011218 segmentation Effects 0.000 claims abstract description 11
- 230000004308 accommodation Effects 0.000 claims abstract description 8
- 238000003475 lamination Methods 0.000 claims abstract description 7
- 238000012216 screening Methods 0.000 claims abstract description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 238000012797 qualification Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
- B29C65/7802—Positioning the parts to be joined, e.g. aligning, indexing or centring
- B29C65/7805—Positioning the parts to be joined, e.g. aligning, indexing or centring the parts to be joined comprising positioning features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/30—Mounting, exchanging or centering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/87—Auxiliary operations or devices
Abstract
The invention discloses a kind of button to press core rod tool, including bottom plate, the shell being arranged on the bottom plate, including accommodation unit, it includes bearing plate, and inner side profiling locating piece, outside profiling locating piece and multiple the first screening segmentation sensors whether being in place for detecting the core rod for being fitted together to and positioning the core rod are provided with the bearing plate；Lamination unit, it includes being arranged on the pressing plate above the bottom plate, is provided with the pressing plate and coordinates with the core rod shape and apply stressed pressure head to the core rod；First driver element, for driving the pressing plate to vertically move, including be connected with the pressing plate the first sliding shoe, be vertically set on the guide pillar vertically moved on the bottom plate for first sliding shoe, and the first drive cylinder that driving first sliding shoe vertically moves along the guide pillar.The present invention at least has advantages below：Intelligence degree is high, it is small compared with qualification rate, the hand labor intensity of high core rod pressing to ensure.
Description
Technical field
The present invention relates to machinery manufacturing technology field, more particularly to a kind of button pressing core rod tool.
Background technology
With industrial fast development, the living standard of people is greatly improved, especially in trip side
Face, with the appearance of train, automobile and high ferro, the people of solution go out difficulty the problem of.Automobile is to be generally applicable to people at present
Short distance trip the vehicles, it is by the power tool cooperatively formed between multiple systems and parts.Each automobile
Upper indispensability has the control panel for controlling the functions such as navigation, sound equipment, and control panel is during production and processing, it is necessary to carry out
Position in order to process and install to it.But at present substantially qualification manually with ensure control panel processing and
The accuracy of installation, technical merit, qualification and the muscle power of operating personnel are too relied on, and the intensity of operating personnel is big,
The qualification rate of product is also uneven.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of that part pressing core rod tool, its intelligence degree is high, can
Ensure small compared with qualification rate, the hand labor intensity of high core rod pressing.
In order to solve the above-mentioned technical problem, the invention provides a kind of button to press core rod tool, including bottom plate, is arranged on
Shell on the bottom plate, including accommodation unit, it includes being arranged on the undertaking that can be moved on the bottom plate and with respect to institute's bottom plate
Plate, be provided with the bearing plate for be fitted together to and position the core rod inner side profiling locating piece, outside profiling locating piece and
It is multiple to be used to detect the first screening segmentation the sensor whether core rod is in place；Lamination unit, it includes being arranged on described
It is provided with pressing plate, the pressing plate above bottom plate and coordinates with the core rod shape and stressed pressure head is applied to the core rod；The
One driver element, for driving the pressing plate to vertically move, including be connected with the pressing plate the first sliding shoe, be vertically set on
The guide pillar vertically moved on the bottom plate for first sliding shoe, and driving first sliding shoe are longitudinal along the guide pillar
The first mobile drive cylinder.
Further, more are vertically installed with the bottom plate and vertically moves the spacing of distance for the spacing pressing plate
Post, it is provided with the every guide pillar and vertically moves the second of distance for the spacing pressing plate and hide segmentation sensor.
Further, the first limiting plate is provided with the bearing plate, be provided with the bottom plate with it is described first spacing
Plate contradicts the second limiting plate that the spacing bearing plate moves horizontally distance.
Further, including buffer cell, the buffer cell include magnet, and the limited post is close to the end of the pressing plate
On the surface that position, the first limiting plate and second limiting plate that portion, the pressing plate correspond to the end of the limited post contradict
It is provided with the magnet.
Further, the grating assembly for detecting the bearing plate times of exercise, the light are provided with the shell
The counter that grid component includes grating, is connected with the grating signal.
Further, including the second driver element for driving the bearing plate to move horizontally, second driving are single
First the second sliding shoe for including being connected with the bearing plate, it is horizontally set on the bottom plate and is oriented to leading for the bearing plate
The second drive cylinder that rail and the driving the second sliding shoe move horizontally along the guide rail.
Further, including regulation component, the regulation component include respectively with first drive cylinder and described the
Two drive cylinders connection pressure regulating pump, the air gauge for showing pressure value, be uniformly arranged on the pressure head and with the tune
The pressure sensor of press pump signal connection.
Further, including respectively with the time that first drive cylinder and the second drive cylinder signal are connected after
Electrical equipment.
Further, two start buttons being arranged in series are provided with the bottom plate.
Further, the material of the pressure head uses ABS.
By above-mentioned technical proposal, the present invention at least has advantages below：
1st, by being provided with accommodation unit, including bearing plate and the first screening segmentation sensor, it can preferably accept and wait to press
The core rod is simultaneously transported to specified pressing position by the core rod of conjunction, is passed through and is provided with inner side profiling locating piece and outside profiling positioning
Block, it can accurately carry and fix the core rod, ensure the accuracy of its pressing, improve the qualification rate of pressing；
2nd, can be automatically and preferably to being placed on the undertaking by being provided with lamination unit, including pressing plate and pressure head
The core rod on plate applies pressure force, and automaticity is high；
3rd, can be more accurate by being provided with the first driver element, including the first sliding shoe, guide pillar and the first drive cylinder
Ground drives the pressing plate to vertically move to press the core rod being placed on the bearing plate, preferably improves the qualification rate of pressing,
Automaticity is high.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is the accommodation unit structural representation of the present invention；
Fig. 3 is the lamination unit structural representation of the present invention.
In the figures above：1st, bottom plate；2nd, shell；3rd, bearing plate；4th, inner side profiling locating piece；5th, outside profiling locating piece；
6th, the first interruptible sensor；7th, pressing plate；8th, pressure head；9th, the first sliding shoe；10th, guide pillar；11st, air gauge；12nd, pressure sensing
Device；13rd, limited post；14th, second segmentation sensor is hidden；15th, the first limiting plate；16th, the second limiting plate；17th, magnet；18th, grating；
19th, counter；20th, the second sliding shoe；21st, guide rail；22nd, the time relay；23rd, start button.
Embodiment
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, so that those skilled in the art can be with
More fully understand the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
With reference to shown in Fig. 1 to Fig. 3, the invention discloses a kind of button to press core rod tool, including bottom plate 1, is arranged on institute
The shell 2 on bottom plate 1 is stated, the shell 2 forms a working chamber for core rod pressing with the bottom plate 1.The button pressure
It is single that matched moulds core tool also includes accommodation unit, lamination unit, the first driver element, the second driver element, pressure regulation unit and buffering
Member.
The accommodation unit includes being arranged on the bearing plate 3 that can be moved on the bottom plate 1 and with respect to institute's bottom plate 1, described to hold
The inner side profiling locating piece 4, outside profiling locating piece 5 and multiple use for being fitted together to and positioning the core rod are provided with fishplate bar 3
In the first screening segmentation sensor 6 whether the detection core rod is in place.By being provided with accommodation unit, including bearing plate 3
Segmentation sensor 6 is hidden with first, core rod to be laminated can be preferably accepted and be transported to the core rod and specify pressing position,
By being provided with inner side profiling locating piece 4 and outside profiling locating piece 5, it can accurately carry and fix the core rod, ensure it
The accuracy of pressing, improve the qualification rate of pressing.The first limiting plate 15 is provided with the bearing plate 3, is set on the bottom plate 1
Have and contradict the second limiting plate 16 that the spacing bearing plate 3 moves horizontally distance with first limiting plate 15, by above-mentioned
Set-up mode, ensure the accuracy and stability of the operation of bearing plate 3 from mechanical aspects.Second driver element is used to drive institute
Bearing plate 3 is stated to move in the horizontal direction, second driver element include be connected with the bearing plate 3 the second sliding shoe 20,
It is horizontally set on the bottom plate 1 and is oriented to the guide rail 21 of the bearing plate 3 and drives the second sliding shoe 20 to be led along described
The second drive cylinder that rail 21 moves horizontally.
The lamination unit includes being arranged on the pressing plate 7 above the bottom plate 1, is provided with and the mould on the pressing plate 7
Core shape coordinates and stressed pressure head 8 is applied to the core rod.In the present invention, the material of the preferable pressure head 8 uses ABS.It is logical
Cross and be provided with pressing plate 7 and pressure head 8, pressing can be applied to the core rod being placed on the bearing plate 3 automatically and preferably
Power, automaticity are high.More are vertically installed with the bottom plate 1 and vertically moves the spacing of distance for the spacing pressing plate 7
Post 13, it is provided with the every guide pillar 10 and vertically moves the second of distance for the spacing pressing plate 7 and hide segmentation sensor 14.
Segmentation sensor 14 is hidden by being provided with limited post 13 and second, ensures that the pressing plate 7 is transported in terms of mechanically and electrically two respectively
Capable accuracy and stability, automaticity are high.First driver element is used to drive the pressing plate 7 to vertically move, and wraps
The first sliding shoe 9 being connected with the pressing plate 7 is included, is vertically set on the bottom plate 1 and is vertically moved for first sliding shoe 9
Guide pillar 10, and the first drive cylinder that driving first sliding shoe 9 vertically moves along the guide pillar 10.By being provided with
First driver element, the pressing plate 7 can be accurately driven to vertically move to press the mould being placed on the bearing plate 3
Core, preferably improves the qualification rate of pressing, and automaticity is high.
The regulation component include connected respectively with first drive cylinder and second drive cylinder pressure regulating pump,
Pressure for showing the air gauge 11 of pressure value, being uniformly arranged on the pressure head 8 and be connected with the pressure regulation pump signal passes
Sensor 12.By being provided with pressure regulating pump, the dynamics that the first cylinder and the second cylinder promote can be adjusted respectively, by being provided with the
One cylinder and the pressure sensor 12, can adjust the pressure force of pressure head 8, and conformability is good.First drive cylinder and
The second drive cylinder signal is connected with the time relay 22, can be further ensured that propulsion and pressing time, intelligent journey
Degree is high.
The buffer cell includes magnet 17, and the limited post 13 is close to the end of the pressing plate 7, the correspondence of the pressing plate 7
It is provided with the surface that the position of the end of the limited post 13, the first limiting plate 15 and second limiting plate 16 contradict described
Magnet 17.By being provided with magnet 17, when limited post 13 and pressing plate 7 contradicts, the first limiting plate 15 and the second limiting plate 16 contradict
When, by the magnetic attraction of magnet 17 to reduce impulsive force, ensure that the shifting of relative position will not occur between the two when contradicting
It is dynamic, ensure the accuracy that pressing plate 7 and bearing plate 3 are run indirectly.
The grating assembly for detecting the times of exercise of bearing plate 3, the grating assembly bag are provided with the shell 2
Include grating 18, the counter 19 being connected with the signal of grating 18.By being provided with grating 18, safeguard protection is on the one hand played
Effect, is on the one hand connected with the signal of counter 19, realizes tally function, and function is more perfect.Two are provided with the bottom plate 1
The start button 23 being arranged in series, can avoid maloperation, improve the security of overall tool.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
Enclose not limited to this.The equivalent substitute or conversion that those skilled in the art are made on the basis of the present invention, in the present invention
Protection domain within.Protection scope of the present invention is defined by claims.
Claims (10)
1. a kind of button presses core rod tool, including bottom plate, the shell being arranged on the bottom plate, it is characterised in that including：
- accommodation unit, it includes being arranged on the bearing plate that can be moved on the bottom plate and with respect to institute's bottom plate, set on the bearing plate
Be equipped with for be fitted together to and position the core rod inner side profiling locating piece, outside profiling locating piece and it is multiple be used to detecting it is described
The the first screening segmentation sensor whether core rod is in place；
- lamination unit, it includes being arranged on the pressing plate above the bottom plate, is provided with and core rod shape cooperation on the pressing plate
And stressed pressure head is applied to the core rod；
- the first driver element, for driving the pressing plate to vertically move, including be connected with the pressing plate the first sliding shoe, hang down
The guide pillar vertically moved on the bottom plate for first sliding shoe is directly arranged on, and driving first sliding shoe is described in
The first drive cylinder that guide pillar vertically moves.
2. button as claimed in claim 1 presses core rod tool, it is characterised in that be vertically installed with the bottom plate more with
The limited post of distance is vertically moved in the spacing pressing plate, is provided with the every guide pillar and is longitudinally moved for the spacing pressing plate
The second of dynamic distance hides segmentation sensor.
3. button as claimed in claim 2 presses core rod tool, it is characterised in that it is spacing to be provided with first on the bearing plate
Plate, it is provided with the bottom plate and contradicts the spacing bearing plate with first limiting plate and move horizontally the second spacing of distance
Plate.
4. pressing core rod tool as claimed in claim 3, it is characterised in that including buffer cell, the buffer cell includes
Magnet, the limited post correspond to the position of the end of the limited post, first spacing close to the end of the pressing plate, the pressing plate
The magnet is provided with the surface that plate and second limiting plate contradict.
5. button as claimed in claim 1 presses core rod tool, it is characterised in that is provided with the shell for detecting institute
State the grating assembly of bearing plate times of exercise, the counter that the grating assembly includes grating, is connected with the grating signal.
6. button as claimed in claim 1 presses core rod tool, it is characterised in that including for driving the undertaking plate level
The second mobile driver element, second driver element include be connected with the bearing plate the second sliding shoe, be horizontally disposed with
On the bottom plate and it is oriented to the guide rail of the bearing plate and the driving the second sliding shoe move horizontally along the guide rail the
Two drive cylinders.
7. button as claimed in claim 6 presses core rod tool, it is characterised in that including regulation component, the regulation component
Including pressure regulating pump, the air pressure for showing pressure value connected respectively with first drive cylinder and second drive cylinder
Table, the pressure sensor for being uniformly arranged on the pressure head and being connected with the pressure regulation pump signal.
8. button as claimed in claim 6 presses core rod tool, it is characterised in that including respectively with first drive cylinder
The time relay connected with the second drive cylinder signal.
9. button as claimed in claim 1 presses core rod tool, it is characterised in that two series connection are provided with the bottom plate and are set
The start button put.
10. button as claimed in claim 1 presses core rod tool, it is characterised in that the material of the pressure head uses ABS.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711201362.7A CN107718583B (en) | 2017-11-27 | 2017-11-27 | Press key pressing mold core jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711201362.7A CN107718583B (en) | 2017-11-27 | 2017-11-27 | Press key pressing mold core jig |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107718583A true CN107718583A (en) | 2018-02-23 |
| CN107718583B CN107718583B (en) | 2023-12-15 |
Family
ID=61219494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711201362.7A Active CN107718583B (en) | 2017-11-27 | 2017-11-27 | Press key pressing mold core jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107718583B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2817144Y (en) * | 2005-05-24 | 2006-09-13 | 张志辉 | Superfine multi-layer cable automatic stripping tool |
| US20080083503A1 (en) * | 2005-03-25 | 2008-04-10 | Shizuaki Okazaki | Press apparatus |
| KR20110009757A (en) * | 2009-07-23 | 2011-01-31 | 주식회사 우전앤한단 | Attaching apparatus of resin molding parts using high-frequency induction heating and attaching method thereof |
| CN202242035U (en) * | 2011-10-19 | 2012-05-30 | 昆山迈致治具科技有限公司 | Magnet press-in jig |
| CN102601999A (en) * | 2012-04-11 | 2012-07-25 | 天津中环真美音响科技有限公司 | Car instrument panel mesh enclosure press |
| CN103100839A (en) * | 2013-03-01 | 2013-05-15 | 上海恺杰汽车塑料零部件有限公司 | Key disassembly tool for radio panel |
| US20140123863A1 (en) * | 2012-11-08 | 2014-05-08 | Boe Technology Group Co., Ltd. | Pressing apparatus |
| CN206297163U (en) * | 2016-10-28 | 2017-07-04 | 无锡市富能金属制品有限公司 | A kind of hardware processing shaped device of strong applicability |
| CN206316633U (en) * | 2016-11-16 | 2017-07-11 | 苏州冠浩斯精密机械有限公司 | The electromagnetism feed mechanism of electromagnetism valve portion kludge |
| CN207669828U (en) * | 2017-11-27 | 2018-07-31 | 飞迅世通科技（苏州）有限公司 | Button presses mold core jig |
-
2017
- 2017-11-27 CN CN201711201362.7A patent/CN107718583B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080083503A1 (en) * | 2005-03-25 | 2008-04-10 | Shizuaki Okazaki | Press apparatus |
| CN2817144Y (en) * | 2005-05-24 | 2006-09-13 | 张志辉 | Superfine multi-layer cable automatic stripping tool |
| KR20110009757A (en) * | 2009-07-23 | 2011-01-31 | 주식회사 우전앤한단 | Attaching apparatus of resin molding parts using high-frequency induction heating and attaching method thereof |
| CN202242035U (en) * | 2011-10-19 | 2012-05-30 | 昆山迈致治具科技有限公司 | Magnet press-in jig |
| CN102601999A (en) * | 2012-04-11 | 2012-07-25 | 天津中环真美音响科技有限公司 | Car instrument panel mesh enclosure press |
| US20140123863A1 (en) * | 2012-11-08 | 2014-05-08 | Boe Technology Group Co., Ltd. | Pressing apparatus |
| CN103100839A (en) * | 2013-03-01 | 2013-05-15 | 上海恺杰汽车塑料零部件有限公司 | Key disassembly tool for radio panel |
| CN206297163U (en) * | 2016-10-28 | 2017-07-04 | 无锡市富能金属制品有限公司 | A kind of hardware processing shaped device of strong applicability |
| CN206316633U (en) * | 2016-11-16 | 2017-07-11 | 苏州冠浩斯精密机械有限公司 | The electromagnetism feed mechanism of electromagnetism valve portion kludge |
| CN207669828U (en) * | 2017-11-27 | 2018-07-31 | 飞迅世通科技（苏州）有限公司 | Button presses mold core jig |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107718583B (en) | 2023-12-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104325511B (en) | Inner frame positioning numerical control door leaf four-side saw | |
| EP2275298A3 (en) | Improved control system for an industrial truck | |
| CN104741431A (en) | Die cushion force control method and die cushion device | |
| CN207669828U (en) | Button presses mold core jig | |
| CN204607033U (en) | A kind of mechanization plate putting machine | |
| CN107718583A (en) | Button presses core rod tool | |
| CN107727514A (en) | One kind is used for neodymium iron boron magnetic body coating shearing force testing device | |
| CN203143842U (en) | Overweight feeling and weightlessness feeling reducing device for car lift | |
| CN206276773U (en) | A kind of punching plates machine | |
| CN204882247U (en) | Pulling force device is surveyed to cylinder battery | |
| CN108732088B (en) | Dynamic loading rolling friction characteristic detector | |
| CN204085755U (en) | The measurement mechanism of automobile door lock opening force and opening travel | |
| CN206998216U (en) | A kind of servo end cap press | |
| CN205478054U (en) | Device is reinspected to common rail injector armature lift | |
| KR20130013556A (en) | Device for attaching strain gauge | |
| CN104924356B (en) | Automatic installing machine for automobile sealing strip and nail catcher | |
| CN105858374B (en) | External elevator interactive system and method | |
| CN108149604A (en) | Act on the road safety protection device of vehicle and a kind of vehicle speed measuring device | |
| CN206348137U (en) | A kind of test device of electromagnetic switch upper reset spring | |
| CN206747345U (en) | A kind of cover plate Wrapping apparatus | |
| CN205818767U (en) | Digital control laser carving machine | |
| CN104155032A (en) | Measuring device for wire drawing pulling force of automobile door lock | |
| CN207456328U (en) | Panel detection tools | |
| CN209565740U (en) | A kind of bushing processing unit (plant) of three stations | |
| CN203778514U (en) | Electric leveling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |