CN107020727A - Injection mold bumper Lao Qian moulding/demouldings mechanism - Google Patents
Injection mold bumper Lao Qian moulding/demouldings mechanism Download PDFInfo
- Publication number
- CN107020727A CN107020727A CN201710382206.9A CN201710382206A CN107020727A CN 107020727 A CN107020727 A CN 107020727A CN 201710382206 A CN201710382206 A CN 201710382206A CN 107020727 A CN107020727 A CN 107020727A
- Authority
- CN
- China
- Prior art keywords
- block
- straight jacking
- bumper
- jacking block
- slanted kicking
- 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
- 238000000465 moulding Methods 0.000 title claims abstract description 15
- 238000002347 injection Methods 0.000 title claims abstract description 14
- 239000007924 injection Substances 0.000 title claims abstract description 14
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 239000011324 bead Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 241000256852 Aculeata Species 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000001179 sorption measurement Methods 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3044—Bumpers
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A kind of injection mold bumper Lao Qian moulding/demouldings mechanism, core side is provided with ejecting structure, including big straight jacking block, slanted kicking block, pushing block, small straight jacking block；Big straight jacking block, slanted kicking block and the small straight jacking block bottom have acted on thimble respectively; slanted kicking block sliding is connected with slant rail; pushing block is located between slanted kicking block and small straight jacking block and back is connected with Track Point; stretch and coordinate on the slide rail of track in Track Point is horizontal, track slide rail, which has, to be located at the vertical retaining surface in bottom and inside contract face positioned at upper angled.The invention provides a kind of bumper mold Lao Qian moulding/demouldings mechanism; manipulator is directly carried out absorption to B faces and clamp pickup; and the operation processing of next procedure can be directly carried out to the product after manipulator pickup, to realize the production high efficiency under enterprise's height automation.
Description
Technical field
The invention belongs to injection mold technical field, a kind of injection mold bumper Lao Qian moulding/demouldings mechanism is refered in particular to.
Background technology
At present, the injection molding die for bumper in industry, generally using moulding/demoulding behind jail, and manipulator A faces (product appearance
Face) absorption clamps pickup, then be placed on workbench or conveying belt, when carrying out next procedure operation, then using secondary artificial to B
Face (product inner surface) carries out tool and clamps fixation.Such design not only adds process, but also increases manpower
Cost, reduces production efficiency.
The content of the invention
The invention aims to the shortcoming for overcoming prior art, there is provided mold strip machine before a kind of bumper mold jail
Structure, makes manipulator directly carry out absorption to B faces and clamps pickup, it is possible to lower road work is directly carried out to the product after manipulator pickup
The operation processing of sequence, to realize the production high efficiency under enterprise's height automation.
The technical scheme is that：A kind of injection mold bumper Lao Qian moulding/demouldings mechanism, core side is tied provided with ejection
Structure, including big straight jacking block, slanted kicking block, pushing block, small straight jacking block；The outer wall of big straight jacking block, slanted kicking block and pushing block constitutes bumper side
Arched upward provided with one for the bead structure for being molded bumper upper edge, oblique top on the forming surface of side inner surface, big straight jacking block surface
The forming cavity of bumper intermediate ribs position is formed between block bottom surface and pushing block top surface, is formed between pushing block bottom surface and small straight jacking block top surface
The folded edges of bumper lower edge；
Big straight jacking block, slanted kicking block and the small straight jacking block bottom have acted on thimble respectively, and slanted kicking block sliding, which is connected with, tiltedly to be led
Rail, pushing block is connected with Track Point, Track Point transverse direction positioned between slanted kicking block and small straight jacking block and back to be stretched and coordinates in track
On slide rail, track slide rail, which has, to be located at the vertical retaining surface in bottom and inside contracts face positioned at upper angled；
During die sinking, core insert departs from product with core fixing plate, and slant rail and track slide rail are same with core when molding
Step motion, big straight jacking block and small straight jacking block are held out against on product by the effect of bottom thimble, and slanted kicking block is acted on along oblique by bottom thimble
Guide rail laterally departs from product；Pushing block is at the initial stage of die sinking, and its back Track Point motion is in the retaining surface, and constraint pushing block is relative to be produced
Product are static, intermediate ribs position as slanted kicking block transverse movement is to after completely disengaging from the constraint of slanted kicking block, Track Point rise to it is interior
Contracting face coordinates, and now pushing block laterally departs from product together with slanted kicking block；Treat that pushing block completely disengages from intermediate ribs position and folded edges
Constraint, big straight jacking block continues with product ejection setting stroke, and so far, all ejecting structures of core side stop ejection, and with core
Depart from die cavity together, bumper is then attached to cavity side.
Further, set in the small straight jacking block and play pin, play pin and protrude upward, through pushing block stretch into intermediate ribs position into
Die cavity；The core fixing plate is provided with push rod, and push rod, which is located to play immediately below pin and hold out against in matched moulds, is playing Aculeata；Play pin
It is arranged with the spring acted on it to down spring.
Further, the slanted kicking block bottom is provided with horizontal T-slot, and thimble sliding coordinates in T-slot.
Further, the big straight jacking block is fitted together at the turning position arched upward auxiliary lift block.
Further, the track slide rail surface is provided with T-shaped chute, and track club head is connected with roller and is entrenched in T-shaped
Chute.
Further, the track club head both sides are provided with the trimming of parallel T-shaped chute notch.
Brief description of the drawings
Fig. 1 is the structure chart of bumper product in the present invention；
Fig. 2 is the structure chart one of core of the present invention；
Fig. 3 is the structure chart two of core of the present invention；
Fig. 4 is the structure chart of die cavity of the present invention；
Fig. 5 is the sectional view of core of the present invention；
Partial sectional view when Fig. 6 is mold-closing injection of the present invention；
Fig. 7 is the exploded view of ejecting structure of the present invention.
Reference：1st, bumper；1a, bead structure；1b, intermediate ribs position；1c, through hole；1d, folded edges；1e, gear
Plate；2nd, big straight jacking block；2a, arch upward；3rd, auxiliary lift block；4th, slanted kicking block；5th, pushing block；6th, small straight jacking block；7th, cavity slide block；It is 7a, convex
Rise；8th, ejector retainner plate；9th, oil cylinder；10th, impression bolster；11st, core fixing plate；12nd, core insert；13rd, track slide rail；13a, guarantor
Hold face；13b, inside contract face；14th, Track Point；14a, trimming；14b, roller；15th, pin is played；16th, spring；17th, push rod；18th, tiltedly lead
Rail；19th, thimble；20th, thimble；21st, thimble.
Embodiment
With specific embodiment, the invention will be further described below in conjunction with the accompanying drawings, referring to Fig. 1-7：
A kind of injection mold bumper Lao Qian moulding/demouldings mechanism, core side is provided with ejecting structure, including big straight jacking block 2, tiltedly
Jacking block 4, pushing block 5, small straight jacking block 6；The outer wall of big straight jacking block 2, slanted kicking block 4 and pushing block 5 constitute bumper side inner surface into
Type face (i.e. amplification unit in Fig. 1)；With reference to Fig. 1 and Fig. 6, the big straight surface of jacking block 2 is used to be molded bumper provided with the 2a that arches upward
The bead structure 1a of upper edge, forms bumper intermediate ribs position 1b forming cavity, pushes away between the bottom surface of slanted kicking block 4 and the top surface of pushing block 5
The folded edges 1d of bumper lower edge is formed between the bottom surface of block 5 and the small top surface of straight jacking block 6.
It is specific to see Fig. 7, big straight jacking block 2, slanted kicking block 4 and the small bottom of straight jacking block 6 acted on respectively thimble (19,20,
21), the sliding of slanted kicking block 4 is connected with slant rail 18, and slant rail 18 is located at the both sides of slanted kicking block 4；Pushing block 5 is located at slanted kicking block 4 and small straight
Between jacking block 6 and back, which is connected with Track Point 14, the transverse direction of Track Point 14, stretches and coordinates on track slide rail 13, track slide rail 13
With inside contracting face 13b positioned at the vertical retaining surface 13a in bottom and positioned at upper angled；
During die sinking, core insert 12 departs from product with core fixing plate 11, and slant rail 18 is with track slide rail 13 in die sinking
It is synchronized with the movement with core, big straight jacking block 2 and small straight jacking block 6 are held out against on product by bottom thimble (19,21) effect, slanted kicking block 4
Acted on and (matched somebody with somebody along the horizontal product that departs from of slant rail 18 provided with horizontal T-slot, thimble sliding the bottom of slanted kicking block 4 by bottom thimble 20
Close in T-slot)；Pushing block 5 is moved on the retaining surface 13a in the initial stage of die sinking, its back Track Point 14, constrains the phase of pushing block 5
It is static to product, after intermediate ribs position 1b is with the transverse movement of slanted kicking block 4 to the constraint for completely disengaging from slanted kicking block 4, Track Point 14
Face 13b cooperations are risen to and inside contract, now pushing block 5 laterally departs from product under the pulling of Track Point 14 together with slanted kicking block 4；Wait to push away
Block 5 completely disengages from intermediate ribs position 1b and folded edges 1d constraint, and big straight jacking block 2 continues synchronous product ejection setting stroke, extremely
This, all ejecting structures of core side stop ejection, and depart from die cavity with core, and bumper is then attached to cavity side.It is standby
After tool hand adsorption production, the core pulling of cavity slide block 7 realizes that product departs from die cavity and taken away by manipulator；With reference to Fig. 1, Fig. 3 and Fig. 4,
Extend at folded edges 1d, opened up on baffle plate 1e from bead structure 1a provided with vertical baffle plate 1e in bumper ends
Some holes, raised 7a loser shaping of this hole on cavity slide block 7, during big straight jacking block 2 directly top, the cavity slide block
7 are always maintained at being relatively fixed with big straight top, until all ejecting structures of core side stop ejecting and depart from product with core
When, just it is separated from each other.With reference to Fig. 2, the first sky before die sinking of oil cylinder 9 is taken out here, it is ensured that ejector retainner plate in die sinking to thimble (19,20,
21) pressure, after die sinking, oil cylinder 9 is synchronous with die sinking action (i.e. oil cylinder 9 pulls ejector retainner plate reach), it is ensured that core departs from production
During product, ejecting structure and cavity products are synchronized with the movement.
Set with reference to Fig. 1, Fig. 6 and Fig. 7, in small straight jacking block 6 and play pin 15, played pin 15 and protrude upward, in being stretched into through pushing block 5
Between muscle position 1b forming cavity；The core fixing plate 11 is provided with push rod 17, and push rod 17, which is located at, to be played immediately below pin 15 and in matched moulds
When hold out against play the afterbody of pin 15；Play pin 15 and be arranged with the spring 16 acted on it to down spring.Playing pin 15 is used to be molded intermediate ribs
Through hole 1c on the 1b of position, in die sinking, push rod 17 declines with core fixing plate 11, plays pin 15 and is moved down under the effect of spring 16, is made
The through hole 1c on the 1b of the head of pin 15 disengaging intermediate ribs position must be played.The actuating length of bullet pin 15 is most short with respect to other ejecting structures
, in its folding process, pushing block 5 still keeps geo-stationary with product.
With reference to Fig. 2 and Fig. 3, the big straight jacking block 2 is fitted together at the turning position for the 2a that arches upward auxiliary lift block 3.Correspond to herein
The turning of product, requires higher, therefore use auxiliary lift block 3 to select suitably to eject hardness, it is ensured that product to product strength
Intensity.
Specific to see Fig. 7, the surface of track slide rail 13 is provided with T-shaped chute, and the head of Track Point 14 is connected with roller 14b and embedding
Close in T-shaped chute；The head both sides of Track Point 14 are provided with the trimming 14a of parallel T-shaped chute notch.This structure ensure that track
The action more smooth in T-shaped chute of bar 14.
Above-described embodiment is only presently preferred embodiments of the present invention, is not limited the scope of the invention according to this, therefore：It is all according to
The equivalence changes that structure, shape, the principle of the present invention is done, all should be covered by within protection scope of the present invention.
Claims (6)
1. a kind of injection mold bumper Lao Qian moulding/demouldings mechanism, it is characterised in that：Core side is provided with ejecting structure, including big straight
Jacking block (2), slanted kicking block (4), pushing block (5), small straight jacking block (6)；The outer wall structure of big straight jacking block (2), slanted kicking block (4) and pushing block (5)
Into the forming surface of bumper side inner surface, (2a) is arched upward for being molded bumper top in big straight jacking block (2) surface provided with one
The bead structure (1a) on edge, forms the shaping of bumper intermediate ribs position (1b) between slanted kicking block (4) bottom surface and pushing block (5) top surface
Chamber, forms the folded edges (1d) of bumper lower edge between pushing block (5) bottom surface and small straight jacking block (6) top surface；
Described big straight jacking block (2), slanted kicking block (4) and small straight jacking block (6) bottom have acted on thimble (19/20/21), slanted kicking block respectively
(4) sliding is connected with slant rail (18), and pushing block (5) is located between slanted kicking block (4) and small straight jacking block (6) and back is connected with track
Stretch and coordinate on track slide rail (13) in bar (14), Track Point (14) transverse direction, track slide rail (13) has vertical positioned at bottom
Retaining surface (13a) and inside contract face (13b) positioned at upper angled；
During die sinking, core insert (12) departs from product with core fixing plate (11), and slant rail (18) is being opened with track slide rail (13)
It is synchronized with the movement during mould with core, big straight jacking block (2) and small straight jacking block (6) are held out against on product by bottom thimble (19/21) effect,
Slanted kicking block (4) is acted on along slant rail (18) by bottom thimble (20) laterally departs from product；Pushing block (5) is at the initial stage of die sinking, its back
Track Point (14) move in the retaining surface (13a), constraint pushing block (5) opposing product it is static, intermediate ribs position (1b) with
After slanted kicking block (4) transverse movement to the constraint for completely disengaging from slanted kicking block (4), Track Point (14) rises to and inside contracted face (13b) and matches somebody with somebody
Close, now pushing block (5) laterally departs from product under Track Point (14) pulling together with slanted kicking block (4)；Treat that pushing block (5) is completely disengaged from
Intermediate ribs position (1b) and the constraint of folded edges (1d), big straight jacking block (2) continue synchronous product ejection setting stroke, so far, type
All ejecting structures in core side stop ejection, and depart from die cavity with core, and bumper is then attached to cavity side.
2. injection mold bumper Lao Qian moulding/demouldings mechanism according to claim 1, it is characterised in that：The small straight jacking block
(6) set in and play pin (15), played pin (15) and protrude upward, the forming cavity of intermediate ribs position (1b) is stretched into through pushing block (5)；The type
Core fixed plate (11) is provided with push rod (17), and push rod (17), which is located to play immediately below pin (15) and hold out against in matched moulds, is playing pin (15)
Afterbody；Play pin (15) and be arranged with the spring (16) acted on it to down spring.
3. injection mold bumper Lao Qian moulding/demouldings mechanism according to claim 1, it is characterised in that：The slanted kicking block
(4) bottom is provided with horizontal T-slot, and thimble sliding coordinates in T-slot.
4. injection mold bumper Lao Qian moulding/demouldings mechanism according to claim 1, it is characterised in that：The big straight jacking block
(2) chimeric there is auxiliary lift block (3) at the turning position of (2a) of arching upward.
5. injection mold bumper Lao Qian moulding/demouldings mechanism according to claim 1, it is characterised in that：The track slide rail
(13) surface is provided with T-shaped chute, and Track Point (14) head is connected with roller (14b) and is entrenched in T-shaped chute.
6. injection mold bumper Lao Qian moulding/demouldings mechanism according to claim 5, it is characterised in that：The Track Point
(14) head both sides are provided with the trimming (14a) of parallel T-shaped chute notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382206.9A CN107020727B (en) | 2017-05-26 | 2017-05-26 | Firm front mold demoulding mechanism of injection mold bumper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710382206.9A CN107020727B (en) | 2017-05-26 | 2017-05-26 | Firm front mold demoulding mechanism of injection mold bumper |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107020727A true CN107020727A (en) | 2017-08-08 |
| CN107020727B CN107020727B (en) | 2022-12-20 |
Family
ID=59528424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710382206.9A Active CN107020727B (en) | 2017-05-26 | 2017-05-26 | Firm front mold demoulding mechanism of injection mold bumper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107020727B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189334A (en) * | 2017-12-31 | 2018-06-22 | 宁波如强模塑有限公司 | A kind of mould emptier of instrument board |
| CN111633921A (en) * | 2020-06-08 | 2020-09-08 | 东莞顶钧塑胶模具有限公司 | Mechanism for preventing product from sticking to inclined top during mold opening of inclined top |
| CN115556319A (en) * | 2022-10-18 | 2023-01-03 | 合肥昊翔汽车零部件有限公司 | Injection molding and demolding mechanical arm for automobile rearview mirror shell |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0524491A (en) * | 1991-07-19 | 1993-02-02 | Nissan Motor Co Ltd | Resinous bumper and forming die thereof |
| JPH07266384A (en) * | 1994-03-28 | 1995-10-17 | Mazda Motor Corp | Injection mold |
| CN202129948U (en) * | 2011-06-28 | 2012-02-01 | 宁波宇升模业有限公司 | Mechanism capable of synchronously pulling core from inner side and outer side of automobile wheel injection mould |
| CN205044086U (en) * | 2015-09-30 | 2016-02-24 | 浙江凯华模具有限公司 | Mechanism of loosing core to one side in header board injection mould combination formula |
| CN106042296A (en) * | 2016-07-25 | 2016-10-26 | 台州市黄岩坤泰模具有限公司 | Bumper injection mold deformation space avoiding mechanism |
| CN106335166A (en) * | 2016-11-24 | 2017-01-18 | 台州市黄岩宏特精工模具有限公司 | Injection mold for automobile bumper |
| CN106393602A (en) * | 2016-08-31 | 2017-02-15 | 宁波方正汽车模具有限公司 | Ejection device for bumper mould |
| CN206937856U (en) * | 2017-05-26 | 2018-01-30 | 台州市凯华汽车模具有限公司 | Injection mold bumper Lao Qian moulding/demouldings mechanism |
-
2017
- 2017-05-26 CN CN201710382206.9A patent/CN107020727B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0524491A (en) * | 1991-07-19 | 1993-02-02 | Nissan Motor Co Ltd | Resinous bumper and forming die thereof |
| JPH07266384A (en) * | 1994-03-28 | 1995-10-17 | Mazda Motor Corp | Injection mold |
| CN202129948U (en) * | 2011-06-28 | 2012-02-01 | 宁波宇升模业有限公司 | Mechanism capable of synchronously pulling core from inner side and outer side of automobile wheel injection mould |
| CN205044086U (en) * | 2015-09-30 | 2016-02-24 | 浙江凯华模具有限公司 | Mechanism of loosing core to one side in header board injection mould combination formula |
| CN106042296A (en) * | 2016-07-25 | 2016-10-26 | 台州市黄岩坤泰模具有限公司 | Bumper injection mold deformation space avoiding mechanism |
| CN106393602A (en) * | 2016-08-31 | 2017-02-15 | 宁波方正汽车模具有限公司 | Ejection device for bumper mould |
| CN106335166A (en) * | 2016-11-24 | 2017-01-18 | 台州市黄岩宏特精工模具有限公司 | Injection mold for automobile bumper |
| CN206937856U (en) * | 2017-05-26 | 2018-01-30 | 台州市凯华汽车模具有限公司 | Injection mold bumper Lao Qian moulding/demouldings mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108189334A (en) * | 2017-12-31 | 2018-06-22 | 宁波如强模塑有限公司 | A kind of mould emptier of instrument board |
| CN108189334B (en) * | 2017-12-31 | 2023-07-14 | 宁波如强模塑有限公司 | Demoulding mechanism of instrument panel |
| CN111633921A (en) * | 2020-06-08 | 2020-09-08 | 东莞顶钧塑胶模具有限公司 | Mechanism for preventing product from sticking to inclined top during mold opening of inclined top |
| CN115556319A (en) * | 2022-10-18 | 2023-01-03 | 合肥昊翔汽车零部件有限公司 | Injection molding and demolding mechanical arm for automobile rearview mirror shell |
| CN115556319B (en) * | 2022-10-18 | 2023-08-04 | 合肥昊翔汽车零部件有限公司 | Injection molding demolding mechanical arm for automobile rearview mirror outer shell |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107020727B (en) | 2022-12-20 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liang Zhenghua Inventor before: Liang Zhenhua |
|
| CB03 | Change of inventor or designer information | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Injection mold bumper firmly front mold demolding mechanism Granted publication date: 20221220 Pledgee: Agricultural Bank of China Limited by Share Ltd. three county sub branch Pledgor: TAIZHOU KAIHUA AUTOMOBILE MOULD CO.,LTD. Registration number: Y2024330001080 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |