CN206567426U - A kind of bending die tool provided with slide roof friction TMD system - Google Patents
A kind of bending die tool provided with slide roof friction TMD system Download PDFInfo
- Publication number
- CN206567426U CN206567426U CN201720291313.6U CN201720291313U CN206567426U CN 206567426 U CN206567426 U CN 206567426U CN 201720291313 U CN201720291313 U CN 201720291313U CN 206567426 U CN206567426 U CN 206567426U
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- China
- Prior art keywords
- slide roof
- tmd system
- roof friction
- friction tmd
- voussoir
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Abstract
The utility model provides a kind of bending die tool provided with slide roof friction TMD system, including upper mould (1) and lower mould (2).The upper mould that the utility model is used, which is provided with below upper mould support plate, slide roof friction TMD system and back-moving spring, upper mould support plate, is provided with frame groove, slide rail and block, and chute is provided with above slide roof friction TMD system, and the bottom of the centripetal side of slide roof friction TMD system, which is provided with, pushes away inclined-plane；Lower mould, which is provided with above lower mould support plate, cavity plate, voussoir, scraping wings and push pedal spring, voussoir, is provided with wedge pushing surface；During work, strutting slide roof friction TMD system by voussoir centrifugation makes A workpiece bending forming be B workpiece；The technical scheme that slide roof friction TMD system causes B workpiece to be able to automatic demoulding is drawn in by the way that back-moving spring is centripetal, is made the sheet metal work for being provided with bulge-structure in bending die tool processing at bent face, has been reached and mitigated working strength, improve production efficiency, avoid the impaired purpose of workpiece.
Description
Technical field
The utility model is related to a kind of bending ram mould, specifically refers to be molded one kind of sheet metal product for bending ram
Provided with the bending die tool for sliding resigning punch-pin.
Background technology
, herein will be numerous for the ease of statement if the punch forming of sheet metal product is usually required by arterial highway stamping procedure
The metal plate semi-products of two adjacent processes in stamping procedure, are sequentially briefly referred to as A workpiece and B workpiece；Bending die tool is by A
Workpiece is shaped to a kind of diel of B workpiece by bending ram；
A workpiece for being provided with bulge-structure at interior bent face, refering to Fig. 6 and Fig. 7, the bending die of prior art has A works
Part rushes roll forming and is difficult to be stripped for after B workpiece, described bulge-structure meeting satchel is overlayed on punch-pin, therefore, prior art is utilized
The elastic characteristic of Metal plate carries out motor-driven forced stripper mechanism to B workpiece, or by manually manually being prized to B workpiece by instrument
No matter the demoulding, motor-driven forced stripper mechanism or manually prize the demoulding, B workpiece can be all damaged to some extent, in addition, manually prizing de-
Mould, working strength is big, low production efficiency；Therefore, prior art has that working strength is big, low production efficiency, workpiece subject to damage
The problem of with it is not enough.
Utility model content
The problem of existing for above-mentioned prior art and deficiency, the utility model use the dress being made up of upper die and lower die
Put, wherein, upper mould, which is provided with below upper mould support plate, slide roof friction TMD system and back-moving spring, upper mould support plate, is provided with frame groove, slide rail and gear
Chute is provided with above block, slide roof friction TMD system, the bottom of the centripetal side of slide roof friction TMD system, which is provided with, pushes away inclined-plane；Block is fixed positioned at frame groove
Bottom land center, slide rail is located at the left and right sides of block and is fixedly connected with the bottom land of frame groove；Two slide roof friction TMD systems are through chute and cunning
Rail slides the left and right sides for fastening and being located at block respectively；Protruded from below slide roof friction TMD system below frame groove；Back-moving spring is located at
Between the cell wall of frame groove and the centrifugation side of slide roof friction TMD system；The centripetal side is one side of the slide roof friction TMD system towards block, institute
It is the one side relative with the centripetal side to state centrifugation side；Lower mould is provided with lower mould support plate, cavity plate, voussoir, scraping wings and pushes away
Flat spring, cavity plate is located above lower mould support plate, and scraping wings is located in cavity plate, push pedal spring be located at lower mould support plate and scraping wings it
Between, higher than above cavity plate above scraping wings；Voussoir corresponds to the block, and voussoir is fixed on above lower mould support plate
Center, the right and left that the top of voussoir is upward through scraping wings and protruded from above the top of cavity plate, voussoir is pushed away provided with wedge
Face；Initial state, by action of reset spring, the centripetal side of the slide roof friction TMD system of left and right two and the left and right sides respectively with the block
Contact；
During work, A workpiece are placed in above the cavity plate of lower mould, and upper mould is pushed, first, upper with voussoir below slide roof friction TMD system
Face is met, and the wedge pushing surface is strutted through pushing away slope driving slide roof friction TMD system along the slide rail towards centrifugal direction, afterwards, with upper mould
Continue to push, A workpiece bent into shape is jointly B workpiece with cavity plate by the slide roof friction TMD system strutted；B workpiece are coated on slide roof friction TMD system
Centrifugation side resets upwards with upper mould, after the wedge pushing surface is separated with pushing away inclined-plane, by action of reset spring, the cunning of left and right two
The left and right sides of the dynamic punch-pin along the slide rail towards block is drawn in, the centrifugation side separated demolding of B workpiece and slide roof friction TMD system；Pass through wedge
Block centrifugation, which struts slide roof friction TMD system, makes A workpiece bending forming be B workpiece；B workpiece are made by the centripetal slide roof friction TMD system that draws in of back-moving spring
The technical scheme for being able to automatic demoulding has there is provided a kind of bending die provided with slide roof friction TMD system, it is intended to make curved in bending die tool processing
The sheet metal work of bulge-structure is provided with face, is reached and is mitigated working strength, improve production efficiency, avoid the impaired purpose of workpiece.
What the purpose of this utility model was realized in：A kind of bending die tool provided with slide roof friction TMD system, including upper mould is with
Mould, wherein：Described upper mould is made up of upper mould support plate, slide roof friction TMD system, back-moving spring, wherein, the upper mould support plate is rectangular slab
The groove provided with rectangle is referred to as frame groove below the steel components of shape, upper mould support plate；The bottom land of the frame groove is centrally along front and back
To the block for being fixed with rectangular strip steel；The inner side cell wall of left and right two of the left and right sides of the block and the frame groove it
Between, downwardly projecting, cross section slide rail in T shape is respectively equipped with, the slide rail is fixedly connected with the bottom land of frame groove；It is described to slide
Punch-pin is the steel components of rectangular block shape, and the bottom of slide roof friction TMD system is provided with above the shape face for being used for bending A workpiece, slide roof friction TMD system
45 ° are provided between being slided provided with correspondence below the chute for fastening the slide rail, the centripetal side of slide roof friction TMD system and slide roof friction TMD system
Inclined-plane be referred to as pushing away inclined-plane；The back-moving spring is cylindroid helical-coil compression spring；Two slide roof friction TMD systems are through the chute and slide rail
Slide and protruded from below the left and right sides for fastening and being located at block respectively, slide roof friction TMD system below frame groove；Back-moving spring is located at frame
Between the cell wall of groove and the centrifugation side of slide roof friction TMD system；The centripetal side is one side of the slide roof friction TMD system towards block, described
Centrifugation side is the one side relative with the centripetal side；Initial state, by action of reset spring, the slide roof friction TMD system of left and right two
Centripetal side contacted with the left and right sides respectively with the block；
Described lower mould is made up of lower mould support plate, cavity plate, voussoir, scraping wings and push pedal spring, wherein, the lower mould support plate
For the steel components of rectangular plate-like；The cavity plate be notch upward, the steel components of rectangle channel-shaped；The voussoir is rectangular block
The inclined-plane that 45 ° are respectively equipped between above the steel components of shape, the side of left and right two of voussoir and voussoir is referred to as wedge pushing surface；Wedge
The left and right width of block is more than the left and right width of the block of upper mould；The scraping wings is the steel components of rectangular plate-like；It is described
Push pedal spring is cylindroid helical-coil compression spring；Cavity plate is located above lower mould support plate, and scraping wings is slidably disposed in the groove of cavity plate, is pushed away
Flat spring is located between lower mould support plate and scraping wings, higher than above cavity plate above scraping wings；Voussoir corresponds to the institute of upper mould
Block is stated, voussoir is fixed on above lower mould support plate, the top of voussoir is upward through scraping wings and protrudes from the top of cavity plate.
Said structure statement direction face be divided into up, down, left, right, front, rear side, wherein, before be in face of present apparatus main view
The face of figure, behind be and the above relative face.
Operation principle and beneficial effect
During work, A workpiece are placed in above the cavity plate of lower mould, and upper mould is pushed, first, upper with voussoir below slide roof friction TMD system
Face is met, and the wedge pushing surface is strutted through pushing away slope driving slide roof friction TMD system along the slide rail towards centrifugal direction, afterwards, with upper mould
Continue to push, A workpiece bent into shape is jointly B workpiece with cavity plate by the slide roof friction TMD system strutted by voussoir；B workpiece are coated on slip
The centrifugation side of punch-pin resets upwards with upper mould, after the wedge pushing surface is separated with pushing away inclined-plane, by action of reset spring, left and right
The left and right sides of two slide roof friction TMD systems along the slide rail towards block is drawn in, and B workpiece are separated with the centrifugation side of slide roof friction TMD system
To be stripped；The effect of scraping wings and push pedal spring is to promote B workpiece to be upwardly separated from cavity plate.
The present apparatus struts slide roof friction TMD system by voussoir centrifugation makes A workpiece bending forming be B workpiece, centripetal by back-moving spring
Drawing slide roof friction TMD system in enables B workpiece automatic demouldings, makes the sheet metal work for being provided with bulge-structure in bending die tool processing at bent face,
Alleviate working strength, improve production efficiency, avoid workpiece be damaged.
Above-mentioned, the utility model uses the device being made up of upper die and lower die, wherein, upper mould is provided with upper mould support plate, slip
It is provided with below punch-pin and back-moving spring, upper mould support plate above frame groove, slide rail and block, slide roof friction TMD system and is provided with chute, is slided
The bottom of the centripetal side of punch-pin is provided with and pushes away inclined-plane；Block is fixed positioned at the bottom land center of frame groove, and slide rail is located at the left and right two of block
Side and it is fixedly connected with the bottom land of frame groove；Two slide roof friction TMD systems are slided through chute and slide rail fastens the left and right two for being located at block respectively
Side；Protruded from below slide roof friction TMD system below frame groove；Back-moving spring is located at the cell wall of frame groove and the centrifugation side of slide roof friction TMD system
Between；The centripetal side is one side of the slide roof friction TMD system towards block, and the centrifugation side is relative with the centripetal side
One side；Lower mould is provided with lower mould support plate, cavity plate, voussoir, scraping wings and push pedal spring, and cavity plate is located above lower mould support plate,
Scraping wings is located in cavity plate, and push pedal spring is located between lower mould support plate and scraping wings, higher than above cavity plate above scraping wings；
Voussoir corresponds to the block, the center that voussoir is fixed on above lower mould support plate, the top of voussoir be upward through scraping wings and
Protrude from the right and left above the top of cavity plate, voussoir and be provided with wedge pushing surface；Initial state, by action of reset spring, left and right
The centripetal side of two slide roof friction TMD systems is contacted with the left and right sides respectively with the block；
During work, A workpiece are placed in above the cavity plate of lower mould, and upper mould is pushed, first, upper with voussoir below slide roof friction TMD system
Face is met, and the wedge pushing surface is strutted through pushing away slope driving slide roof friction TMD system along the slide rail towards centrifugal direction, afterwards, with upper mould
Continue to push, A workpiece bent into shape is jointly B workpiece with cavity plate by the slide roof friction TMD system strutted；B workpiece are coated on slide roof friction TMD system
Centrifugation side resets upwards with upper mould, after the wedge pushing surface is separated with pushing away inclined-plane, by action of reset spring, the cunning of left and right two
The left and right sides of the dynamic punch-pin along the slide rail towards block is drawn in, the centrifugation side separated demolding of B workpiece and slide roof friction TMD system；Pass through wedge
Block centrifugation, which struts slide roof friction TMD system, makes A workpiece bending forming be B workpiece；B workpiece are made by the centripetal slide roof friction TMD system that draws in of back-moving spring
The technical scheme of automatic demoulding is able to, overcoming prior art, to there is working strength big, low production efficiency, workpiece easily vulnerable
A kind of problems and shortcomings, the bending die tool provided with slide roof friction TMD system provided makes to be provided with projection at bent face in bending die tool processing
The sheet metal work of structure, has reached and has mitigated working strength, improve production efficiency, avoid the impaired purpose of workpiece.
Brief description of the drawings
Fig. 1 is a kind of main view cross section structure diagram of bending die tool provided with slide roof friction TMD system of the present utility model；
Fig. 2 is a kind of bending die tool provided with slide roof friction TMD system of the present utility model, is operated in A workpiece 01 and is placed on cavity plate 22
The principle schematic of face tense；
Fig. 3 is a kind of bending die tool provided with slide roof friction TMD system of the present utility model, is operated in slide roof friction TMD system 12 and voussoir 23
Meet, voussoir 23 centrifuges slide roof friction TMD system 12 principle schematic for strutting tense；
Fig. 4 is a kind of bending die tool provided with slide roof friction TMD system of the present utility model, is operated in the slip strutted by voussoir 23
Punch-pin 12 is common by principle schematic of the bent into shape of A workpiece 01 for the tense of B workpiece 02 with cavity plate 22；
Fig. 5 is a kind of bending die tool provided with slide roof friction TMD system of the present utility model, is operated in the centripetal gathering of back-moving spring 13
Slide roof friction TMD system 12 enables the principle schematic of the automatic demoulding tense of B workpiece 02；
Fig. 6 is a kind of schematic diagram of A workpiece 01；
Fig. 7 is a kind of schematic diagram of B workpiece 02.
Embodiment in below in conjunction with the accompanying drawings is described in further detail to the utility model, but should not be construed as to this
Any limitation of utility model.
In figure：Upper mould 1, upper mould support plate 11, frame groove 110, slide rail 111, block 112, slide roof friction TMD system 12, chute 121, push away tiltedly
Face 122, back-moving spring 13, lower mould 2, lower mould support plate 21, cavity plate 22, voussoir 23, wedge pushing surface 231, scraping wings 24, push pedal spring
25th, A workpiece 01, B workpiece 02.
Embodiment
Refering to Fig. 1~Fig. 5, a kind of bending die tool provided with slide roof friction TMD system of the present utility model, including upper mould 1 and lower mould 2,
Wherein：Described upper mould 1 is made up of upper mould support plate 11, slide roof friction TMD system 12, back-moving spring 13, wherein, the upper mould support plate 11 is
The groove provided with rectangle is referred to as frame groove 110 below the steel components of rectangular plate-like, upper mould support plate 11；The groove of the frame groove 110
Bottom center is fixed with the block 112 of rectangular strip steel along the longitudinal direction；The left and right sides of the block 112 and the frame groove
Between the 110 inner side cell wall of left and right two, be respectively equipped with downwardly projecting, cross section slide rail 111 in T shape, the slide rail 111 with
The bottom land of frame groove 110 is fixedly connected；The slide roof friction TMD system 12 is the steel components of rectangular block shape, and the bottom of slide roof friction TMD system 12 is provided with
The chute 121 for fastening the slide rail 111 is slided above shape face for bending A workpiece 01, slide roof friction TMD system 12 provided with correspondence, it is sliding
It is referred to as pushing away inclined-plane 122 provided with 45 ° of inclined-plane between below the centripetal side of dynamic punch-pin 12 and slide roof friction TMD system 12；The reset bullet
Spring 13 is cylindroid helical-coil compression spring；Two slide roof friction TMD systems 12 slide to fasten through the chute 121 and slide rail 111 is located at gear respectively
Protruded from below the left and right sides of block 112, slide roof friction TMD system 12 below frame groove 110；Back-moving spring 13 is located at the groove of frame groove 110
Between wall and the centrifugation side of slide roof friction TMD system 12；The centripetal side is one side of the slide roof friction TMD system 12 towards block 112, described
Centrifugation side is the one side relative with the centripetal side；Initial state, is acted on by back-moving spring 13, and the slip of left and right two is convex
The centripetal side of mould 12 is contacted with the left and right sides respectively with the block 112；
Described lower mould 2 is made up of lower mould support plate 21, cavity plate 22, voussoir 23, scraping wings 24 and push pedal spring 25, wherein,
The lower mould support plate 21 is the steel components of rectangular plate-like；The cavity plate 22 be notch upward, the steel components of rectangle channel-shaped；Institute
It is respectively equipped between stating above the steel components that voussoir 23 is rectangular block shape, the side of left and right two of voussoir 23 and voussoir 23
45 ° of inclined-plane is referred to as wedge pushing surface 231；The left and right width of voussoir 23 is more than the left and right width of the block 112 of upper mould 1；It is described
Scraping wings 24 is the steel components of rectangular plate-like；The push pedal spring 25 is cylindroid helical-coil compression spring；Cavity plate 22 is located at lower mould
Above support plate 21, scraping wings 24 is slidably disposed in the groove of cavity plate 22, and push pedal spring 25 is located at lower mould support plate 21 and scraping wings 24
Between, higher than above cavity plate 22 above scraping wings 24；Voussoir 23 corresponds to the block 112 of upper mould 1, and voussoir 23 is consolidated
It is scheduled on above lower mould support plate 21, the top of voussoir 23 is upward through scraping wings 24 and protrudes from the top of cavity plate 22.
Said structure statement direction face be divided into up, down, left, right, front, rear side, wherein, before be in face of present apparatus main view
The face of figure, behind be and the above relative face.
Operation principle and beneficial effect
During work, A workpiece 01 are placed in above the cavity plate 22 of lower mould 2, and upper mould 1 is pushed, first, below slide roof friction TMD system 12 with
Met above voussoir 23, the wedge pushing surface 231 promotes slide roof friction TMD system 12 along the slide rail 111 towards centrifugation side through pushing away inclined-plane 122
To strutting, afterwards, with upper mould 1 continue push, the slide roof friction TMD system 12 strutted by voussoir 23 and cavity plate 22 are common by A workpiece 01
Bent into shape is B workpiece 02；The centrifugation side that B workpiece 02 are coated on slide roof friction TMD system 12 resets upwards with upper mould 1, when the wedge is pushed away
After face 231 is separated with pushing away inclined-plane 122, acted on by back-moving spring 13, the slide roof friction TMD system 12 of left and right two is along the direction of slide rail 111
The left and right sides of block 112 is drawn in, and B workpiece 02 are separated with the centrifugation side of slide roof friction TMD system 12 and are stripped；Scraping wings 24 and push away
The effect of flat spring 25 is to promote B workpiece 02 to be upwardly separated from cavity plate 22.
The present apparatus struts slide roof friction TMD system 12 by the centrifugation of voussoir 23 makes the bending forming of A workpiece 01 be B workpiece 02, by resetting
The centripetal slide roof friction TMD system 12 that draws in of spring 13 enables the automatic demoulding of B workpiece 02, makes to be provided with projection at bent face in bending die tool processing
The sheet metal work of structure, alleviate working strength, improve production efficiency, avoid workpiece be damaged.
Claims (1)
1. a kind of bending die tool provided with slide roof friction TMD system, including upper mould (1) and lower mould (2), it is characterised in that：Described upper mould
(1) it is made up of upper mould support plate (11), slide roof friction TMD system (12), back-moving spring (13), the upper mould support plate (11) is rectangular plate-like
The groove provided with rectangle is referred to as frame groove (110) below steel components, upper mould support plate (11)；In the bottom land of the frame groove (110)
The heart is fixed with the block (112) of rectangular strip steel along the longitudinal direction；The left and right sides of the block (112) and the frame groove
(110) between the inner side cell wall of left and right two, downwardly projecting, cross section slide rail in T shape (111), the slide rail are respectively equipped with
(111) bottom land with frame groove (110) is fixedly connected；The slide roof friction TMD system (12) is the steel components of rectangular block shape, slide roof friction TMD system
(12) bottom be provided be used to bend above the shape faces of A workpiece (01), slide roof friction TMD system (12) slided provided with correspondence fasten it is described
The chute (121) of slide rail (111), the centripetal side of slide roof friction TMD system (12) with below slide roof friction TMD system (12) between provided with 45 °
Inclined-plane is referred to as pushing away inclined-plane (122)；The back-moving spring (13) is cylindroid helical-coil compression spring；Two slide roof friction TMD systems (12) are through described
Chute (121) slides convex below the left and right sides for fastening and being located at block (112) respectively, slide roof friction TMD system (12) with slide rail (111)
Below frame groove (110)；Cell wall and the centrifugation side of slide roof friction TMD system (12) of the back-moving spring (13) positioned at frame groove (110)
Between；The centripetal side is one side of the slide roof friction TMD system (12) towards block (112), and the centrifugation side is and the centripetal side
The relative one side in face；Initial state, is acted on by back-moving spring (13), the centripetal side of the slide roof friction TMD system (12) of left and right two and difference
Contacted with the left and right sides of the block (112)；
Described lower mould (2) is by lower mould support plate (21), cavity plate (22), voussoir (23), scraping wings (24) and push pedal spring (25) structure
Into, wherein, the lower mould support plate (21) is the steel components of rectangular plate-like；The cavity plate (22) be notch upward, rectangle channel-shaped
Steel components；The voussoir (23) is the steel components of rectangular block shape, the side of left and right two and voussoir (23) of voussoir (23)
Above between be respectively equipped with 45 ° of inclined-plane and be referred to as wedge pushing surface (231)；The left and right width of voussoir (23) is more than the institute of upper mould (1)
State the left and right width of block (112)；The scraping wings (24) is the steel components of rectangular plate-like；The push pedal spring (25) is circle
Post spiral compression spring；Cavity plate (22) is located above lower mould support plate (21), and scraping wings (24) is slidably disposed in the groove of cavity plate (22)
Interior, push pedal spring (25) is located between lower mould support plate (21) and scraping wings (24), and cavity plate (22) is higher than above scraping wings (24)
Above；Voussoir (23) corresponds to the block (112) of upper mould (1), and voussoir (23) is fixed on above lower mould support plate (21),
The top of voussoir (23) is upward through scraping wings (24) and protrudes from the top of cavity plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720291313.6U CN206567426U (en) | 2017-03-17 | 2017-03-17 | A kind of bending die tool provided with slide roof friction TMD system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720291313.6U CN206567426U (en) | 2017-03-17 | 2017-03-17 | A kind of bending die tool provided with slide roof friction TMD system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206567426U true CN206567426U (en) | 2017-10-20 |
Family
ID=60053141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720291313.6U Expired - Fee Related CN206567426U (en) | 2017-03-17 | 2017-03-17 | A kind of bending die tool provided with slide roof friction TMD system |
Country Status (1)
| Country | Link |
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| CN (1) | CN206567426U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944544A (en) * | 2017-03-17 | 2017-07-14 | 宁波双林汽车部件股份有限公司 | A kind of bending die tool provided with slide roof friction TMD system |
| CN108421895A (en) * | 2018-03-20 | 2018-08-21 | 广州腾城信息科技有限公司 | Easy mold release self-test diel |
| CN112936934A (en) * | 2021-01-29 | 2021-06-11 | 重庆嘉涌电子有限公司 | VR spectacle-frame system of processing |
-
2017
- 2017-03-17 CN CN201720291313.6U patent/CN206567426U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106944544A (en) * | 2017-03-17 | 2017-07-14 | 宁波双林汽车部件股份有限公司 | A kind of bending die tool provided with slide roof friction TMD system |
| CN108421895A (en) * | 2018-03-20 | 2018-08-21 | 广州腾城信息科技有限公司 | Easy mold release self-test diel |
| CN108421895B (en) * | 2018-03-20 | 2020-07-03 | 天津富力丰汽车部件有限公司 | Easy demoulding self-detecting stamping die |
| CN112936934A (en) * | 2021-01-29 | 2021-06-11 | 重庆嘉涌电子有限公司 | VR spectacle-frame system of processing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20200317 |
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| CF01 | Termination of patent right due to non-payment of annual fee |