CN110116477A - The injection mold rotary slider mechanism of locking locking structure - Google Patents
The injection mold rotary slider mechanism of locking locking structure Download PDFInfo
- Publication number
- CN110116477A CN110116477A CN201910415796.XA CN201910415796A CN110116477A CN 110116477 A CN110116477 A CN 110116477A CN 201910415796 A CN201910415796 A CN 201910415796A CN 110116477 A CN110116477 A CN 110116477A
- Authority
- CN
- China
- Prior art keywords
- punch
- sliding block
- pin
- locating part
- injection mold
- 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.)
- Pending
Links
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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of injection mold rotary slider mechanisms of locking locking structure, including the punch-pin being arranged in rear mold, sliding block is provided on the punch-pin, the arc slot for sliding block rotational slide is offered on the punch-pin, the actuator for driving sliding block to slide is provided on the punch-pin, be slidably connected restricted sliding block of the punch-pin side slides the locating part of de- release chamber, the STATEMENT OF FEDERALLY SPONSORED that the linkage locating part sliding in die sinking is detached from clamping is provided on the preceding mould, in this way during product is specific molding, rotary stopper is carried out to sliding block by locating part, so that sliding block can be stable in forming process be in current state, ensure the quality during formed product, it is effectively improved product quality and reduces disqualification rate, and it is opened after completing formed product, it is released by STATEMENT OF FEDERALLY SPONSORED linkage locating part is mobile to cunning while die sinking The limit of block deviates from convenient for the rotation of subsequent sliding block, product is smoothly demoulded.
Description
Technical field
The present invention relates to injection mold fields, more specifically, it relates to which a kind of injection mold of locking locking structure rotates
Slide block mechanism.
Background technique
Injection mold is the tool for producing plasthetics, is also to confer to the work of plasthetics complete structure and accurate dimension
Tool, mainly includes preceding mould and rear mold, is respectively set punch-pin and cavity plate on preceding mould and rear mold, when the state of molding punch-pin with
Cavity plate, which is formed, is used for injection molding type chamber, and the plastics of heated thawing are formed by injection molding machine high-pressure injection to punch-pin and cavity plate
Type chamber in, formed products are obtained after cooling and solidifying.
Different molds are needed to be produced for different product, there are inside to empty for existing product, such as oiling on automobile
Mouth shell, as shown in Figure 1 comprising main body 21, and empty to form the portion of emptying 22 inside 21 side of main body, in the process of forming
It is middle that the rotary slider on punch-pin is needed to realize, when being demoulded after the completion of product shaping in this way, driven by actuator
Rotary slider rotates to deviate from, and product is smoothly demoulded, but can have rotary slider during specific forming
It bears injection pressure and generates displacement, the product surface quality for eventually leading to forming is bad, so that product shaping person of poor quality is not
Qualification rate increases.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of injection mold rotation of locking locking structure
The advantages of turning slide block mechanism, having forming quality good, disqualification rate is effectively reduced.
To achieve the above object, the present invention provides the following technical scheme that
A kind of injection mold rotary slider mechanism of locking locking structure is set on the punch-pin including the punch-pin being arranged in rear mold
It is equipped with sliding block, the arc slot for sliding block rotational slide is offered on the punch-pin, is provided on the punch-pin and drives sliding block sliding
Actuator, be slidably connected restricted sliding block of the punch-pin side slide the locating part of de- release chamber, are provided on the locating part
Linking in die sinking, it slides the STATEMENT OF FEDERALLY SPONSORED for being detached from clamping.
In this way during product is specific molding, rotary stopper is carried out to sliding block by locating part so that sliding block at
Can be stable during type be in current state, it is ensured that the quality during formed product is effectively improved product quality and drop
Low disqualification rate, and being opened after completing formed product, by the mobile solution of STATEMENT OF FEDERALLY SPONSORED linkage locating part while die sinking
Except the limit to sliding block, deviates from convenient for the rotation of subsequent sliding block, product is smoothly demoulded.
The present invention is further arranged: the STATEMENT OF FEDERALLY SPONSORED includes the inclined guide pillar before being fixed on mould, is opened up on the locating part
There is the skewed slot being adapted to inclined guide pillar.
By the setting of inclined guide pillar, preceding mould and rear mold separation during die sinking, inclined guide pillar slide and straight in skewed slot
To skidding off, constantly drives during sliding and moved outside locating part, the releasing that linkage locating part limits sliding block.
The present invention is further arranged: the locating part side is provided with the wedge block being fixed on preceding mould, the locating part
The side of remote release chamber, which is provided with, abuts the inclined surface being adapted to the lozenges of wedge block.
Lozenges in this way after specific molding on wedge block is abutted with the inclined surface of locating part, can be risen to locating part
To the effect of Horizontal limiting, it is ensured that locating part can be stable is in current clamped condition, and locating part is avoided to occur when in use
The case where moving horizontally, hence for sliding block limit effect more preferably.
The present invention is further arranged: the locating part includes the drive block and gag lever post being fixed to each other, the drive block with
It is provided between punch-pin and drives drive block is mobile to be reset to inclined guide pillar bottom end elastic movable part corresponding with skewed slot opening.
Further by the setting of elastic movable part, carried out by the position of locating part after elastic movable part split cavity
It is firm, it is ensured that the bottom end of inclined guide pillar can be open with skewed slot and be at accurate corresponding position, so that during subsequent molding
Inclined guide pillar well stable can enter in skewed slot.
The present invention is further arranged: the elasticity movable part is spring, offers on the drive block and installs for spring
Mounting groove, the guide post body for spring socket adaptation is provided in the mounting groove, the spring one end is connected on punch-pin, separately
One end is connected to mounting groove inner wall.
By the setting of mounting groove spring is installed inside it, is not exposed to outer wall, good concealment, and
Wherein pass through the setting of guide post body, guide post body can play the role of radial support to spring, so that spring can be stablized
Carry out axial deformation.
The present invention is further arranged: the wearing plate abutted with inclined surface is provided at the lozenges of the wedge block.
Since during mold is constantly molded and is opened, abrasion, which easily occurs, in lozenges surface be will affect for limit
The limit effect of position part, effectively improves wearability by the setting of wearing plate, extends the service life of wedge block.
The present invention is further arranged: the bottom surface of the wedge block is lower than the bottom surface of inclined guide pillar.
It may insure that inclined guide pillar is introduced into skewed slot during molding in this way, effectively avoid the mistake in molding in this way
Because the lozenges of wedge block, which is first abutted with inclined surface, drives the mobile feelings for causing inclined guide pillar to cannot be introduced into skewed slot of locating part in journey
Condition.
The present invention is further arranged: the actuator includes hydraulic cylinder, and the end of the hydraulic cylinder is connected with sliding shoe, institute
It states and is provided with connecting rod between sliding block and sliding shoe, the connecting rod two end is hinged with sliding shoe, sliding block respectively.
Sliding shoe is driven to move horizontally by the way that the piston rod of hydraulic cylinder is flexible, sliding shoe is mobile to pull sliding block to exist by connecting rod
Rotational slide is realized in sliding in the arc slot of punch-pin, realizes the driving for sliding block, and structure is simple.
The present invention is further arranged: offering perforative guide groove on the gag lever post, is fixed on the punch-pin and guide groove
It is adapted to and is slidably connected at the guide rod in guide groove.
The setting of guide rod and guide groove can play good guide to the movement of gag lever post, enable gag lever post along referring to
Stablize movement in fixed direction, it is ensured that gag lever post can be moved accurately and play good limit to sliding block.
The present invention is further arranged: the gag lever post is provided with inclined guide surface far from one end end of drive block.
By the setting of guide surface so that the end of gag lever post is tapered, so that gag lever post can be more preferable and be easier
Entrance and limit played to sliding block, reduce and the case where clamping stagnation occur.
In conclusion the invention has the following advantages:
By the setting of locating part, play the role of rotary stopper to sliding block by locating part in specific forming process, so that
Sliding block, which can be stablized, ensures molding quality in current state, and makes under the action of inclined guide pillar during die sinking
Locating part moves horizontally the limit being detached to sliding block, and actuator can drive sliding block rotational slide to be deviate from from product at this time, just
In subsequent stripping operation, the synchronous limit realized for locating part is released during die sinking, synchronous during molding
Locating part is driven to restore to the limit to sliding block, structure is simple and operation link is few, high-efficient.
Detailed description of the invention
Fig. 1 is the structure chart of pouring orifice shell on automobile in the prior art；
Fig. 2 is overall structure figure when the present embodiment uses；
Fig. 3 is the connection structure diagram of actuator and sliding block in the present embodiment；
Fig. 4 is structure chart when locating part upper spring pops in the present embodiment.
Appended drawing reference: 1, punch-pin；2, sliding block；3, hydraulic cylinder；4, sliding shoe；5, connecting rod；6, drive block；7, gag lever post；8,
Inclined guide pillar；9, skewed slot；10, wedge block；11, lozenges；12, inclined surface；13, spring；14, mounting groove；15, guide post body；16, recessed
Slot；17, wearing plate；18, guide groove；19, guide rod；20, guide surface；21, main body；22, portion is emptied.
Specific embodiment
Below in conjunction with attached drawing, invention is further described in detail.
A kind of injection mold rotary slider mechanism of locking locking structure, as shown in figs 2-4, including being arranged in rear mold
Punch-pin 1, offer on the punch-pin 1 arc slot and in arc slot rotation slidably connect sliding block 2, while drive is provided on punch-pin 1
The actuator for sliding sliding block 2 in arc slot, which includes the hydraulic cylinder 3 being fixed in rear mold, in the piston of hydraulic cylinder 3
Boom end is fixed with sliding shoe 4, which is slidably connected in rear mold, and is arranged between sliding shoe 4 and sliding block 2
There is the connecting rod 5 of both connections, the both ends of connecting rod 5 are hinged with sliding shoe 4 and sliding block 2 respectively, to pass through the flexible of piston rod
The Stable sliding in arc slot of sliding block 2 can be driven, when driving sliding block 2 to be moved to all to be accommodated in arc slot, sliding block 2 is not at this time
The demoulding of product can be interfered, at the time of molding, the top protrusion punch-pin 1 of sliding block 2 is used for the molding of product to product.
The horizontal locating part slidably connected for limiting 2 rotational slide retraction sliding slot of sliding block, the locating part on punch-pin 1
Including the drive block 6 and gag lever post 7 being fixed to each other, one end of gag lever post 7 is used to be clamped and its top surface is connected to the bottom of sliding block 2
On wall, to drive at sliding block 2 when for molding state in hydraulic cylinder 3, good limit can be played to it by gag lever post 7
Position effect avoids during formed product improving qualification rate because the activity of sliding block 2 influences the Forming Quality of product surface.
The linkage for being no longer clamped sliding block 2 is moved outside linkage 7 end of gag lever post when being provided on drive block 6 in mold die sinking
Part, which includes the inclined guide pillar 8 before being fixed on mould, while the skewed slot being adapted to inclined guide pillar 8 is offered on drive block 6
9, skewed slot 9 runs through the roof of drive block 6, and when preceding mould and rear mold are in molding state, inclined guide pillar 8 is adapted to skewed slot 9, thus
Preceding mould is removed when being opened, and is moved outside linkage driving block 6 during inclined guide pillar 8 is mobile, at the same drive moved outside gag lever post 7 so that
Sliding block 2 is no longer blocked in its end, and in die sinking, the synchronous limit for realizing gag lever post 7 is released, and is tiltedly led during molding
Column 8 synchronizes the limit for driving and moving and being realized to sliding block 2 in gag lever post 7 into skewed slot 9.
Wedge block 10 before drive block 6 is provided with far from the side of gag lever post 7 and to be fixed on mould, 10 bottom of wedge block
The side of drive block 6 is provided with lozenges 11, while 6 side of drive block being provided with the inclined surface abutted with lozenges 11
12, drive block 6 can be pushed against by wedge block 10 in this way after molding, the limit of horizontal direction can be played to drive block 6, is kept away
It is moved outside 6 drop-in of free drive motion block and leads to not carry out sliding block 2 the case where stablizing limit；Simultaneously drive block 6 and punch-pin 1 it
Between be provided with mobile 8 bottom end of inclined guide pillar and the skewed slot 9 of being reset to of drive block 6 driven to be open corresponding elasticity movable part, the elasticity
Movable part is spring 13, the mounting groove 14 installed for spring 13 is offered in 6 side of drive block, 13 one end of spring is fixed on peace
14 inner wall of tankage, the other end are fixed on punch-pin 1, and in this way in inclined guide pillar 8 completely after the abjection of skewed slot 9, spring 13 can be to drive
Stabilization is played in the position of motion block 6, so that the opening of skewed slot 9 can well keep corresponding shape with the bottom end of inclined guide pillar 8
State, convenient for inclined guide pillar 8 when subsequent molding bottom end can be moderately good be plugged into skewed slot 9, and set in mounting groove 14
It is equipped with the guide post body 15 for the socket adaptation of spring 13,15 one end of guide post body is fixed with 14 inner wall of mounting groove, can be to spring 13
Play the role of radial support, enables the realization axial deformation that spring 13 is stable；When being in die opening state, wherein inclined guide pillar
8 bottom surface is lower than the bottom surface of wedge block 10, may insure that inclined guide pillar 8 is introduced into skewed slot 9 during molding in this way, this
Sample effectively avoids during molding driving locating part mobile because the lozenges 11 of wedge block 10 is first abutted with inclined surface 12
The case where causing inclined guide pillar 8 to cannot be introduced into skewed slot 9.
In addition it is arranged fluted 16 at the corresponding lozenges 11 of wedge block 10, is equipped at groove 16 and is supported for inclined surface 12
The material of the wearing plate 17 connect, wearing plate 17 is beryllium copper, and beryllium copper has many advantages, such as good intensity, hardness and wearability, has
Effect improves wearability, extends the service life of wedge block 10, because abrasion influences wedge during avoiding often die sinking and molding
Shape block 10 is for 6 Horizontal limiting effect of drive block；Perforative guide groove 18 is offered on gag lever post 7, the guide groove 18 is in long strip,
And the guide rod 19 being fixed on punch-pin 1 is provided in guide groove 18, gag lever post 7 being capable of leading in guide groove 18 during sliding
Stable sliding is realized to effect is lower, it is ensured that the accuracy that gag lever post 7 moves horizontally；It is set in gag lever post 7 far from one end of drive block 6
It is equipped with inclined guide surface 20 and forms the end of cone cell in the end, so that gag lever post 7 can be more preferable and easier
Limit is played into and to sliding block 2, the case where clamping stagnation occurs in reduction.
The implementation principle of the present embodiment are as follows: the overhanging top protrusion punch-pin 1 for driving sliding block 2 of the piston rod of hydraulic cylinder 3 first
Top surface is in for molding state, and then preceding mould is molded towards posterior direction movement, and preceding mould is tiltedly led during moving down
Column 8, which enters skewed slot 9 and constantly drives in drive block 6, to be moved, and 7 end top surface of gag lever post is connected to cunning after preceding mould and rear mold completion molding
The limit for sliding block 2 is realized on the bottom wall of block 2, during which spring 13 is in compressive state, and the lozenges 11 of wedge block 10 supports
The inclined surface 12 of tight drive block 6, then carries out injection molding, and after product is cooling, preceding mould is opened far from mobile realize of rear mold, tiltedly
Guide post 8 is moved inside and outside skewed slot 9 and is constantly driven and moves outside drive block 6, until inclined guide pillar 8 is deviate from from skewed slot 9 completely, gag lever post 7
End be no longer clamped sliding block 2, spring 13 restores to the original state, and the piston rod of hydraulic cylinder 3, which inside contracts, drives 2 rotational slide of sliding block until contracting
Enter into arc slot, it is subsequent directly to carry out stripping operation.
The embodiment of present embodiment is presently preferred embodiments of the present invention, and protection of the invention is not limited with this
Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it
It is interior.
Claims (10)
1. a kind of injection mold rotary slider mechanism of locking locking structure, including the punch-pin (1) being arranged in rear mold, the punch-pin
(1) it is provided on sliding block (2), the arc slot for sliding block (2) rotational slide is offered on the punch-pin (1), is set on the punch-pin (1)
It is equipped with the actuator for driving sliding block (2) to slide, restricted sliding block (2) are slided it is characterized in that: the punch-pin (1) side is slidably connected
The locating part of release chamber is taken off, STATEMENT OF FEDERALLY SPONSORED that its sliding that links in die sinking is detached from clamping is provided on the locating part.
2. the injection mold rotary slider mechanism of locking locking structure according to claim 1, it is characterized in that: the STATEMENT OF FEDERALLY SPONSORED
Including the inclined guide pillar (8) on mould before being fixed on, the skewed slot (9) being adapted to inclined guide pillar (8) is offered on the locating part.
3. the injection mold rotary slider mechanism of locking locking structure according to claim 2, it is characterized in that: the locating part
Side is provided be fixed on before wedge block (10) on mould, the side of the remote release chamber of the locating part is provided with and wedge block (10)
Lozenges (11) abut adaptation inclined surface (12).
4. the injection mold rotary slider mechanism of locking locking structure according to claim 2, it is characterized in that: the locating part
Including the drive block (6) and gag lever post (7) being fixed to each other, it is provided between the drive block (6) and punch-pin (1) and drives drive block
(6) mobile to be reset to inclined guide pillar (8) bottom end elastic movable part corresponding with skewed slot (9) opening.
5. the injection mold rotary slider mechanism of locking locking structure according to claim 4, it is characterized in that: the yielding movable
Dynamic component is spring (13), and the mounting groove (14) for spring (13) installation, the mounting groove are offered on the drive block (6)
(14) the guide post body (15) for spring (13) socket adaptation is provided in, described spring (13) one end is connected on punch-pin (1), separately
One end is connected to mounting groove (14) inner wall.
6. the injection mold rotary slider mechanism of locking locking structure according to claim 3, it is characterized in that: the wedge block
(10) wearing plate (17) abutted with inclined surface (12) is provided at lozenges (11).
7. the injection mold rotary slider mechanism of locking locking structure according to claim 3, it is characterized in that: the wedge block
(10) bottom surface is lower than the bottom surface of inclined guide pillar (8).
8. the injection mold rotary slider mechanism of locking locking structure according to claim 1, it is characterized in that: the actuator
Including hydraulic cylinder (3), the end of the hydraulic cylinder (3) is connected with sliding shoe (4), is set between the sliding block (2) and sliding shoe (4)
It is equipped with connecting rod (5), connecting rod (5) both ends are hinged with sliding shoe (4), sliding block (2) respectively.
9. the injection mold rotary slider mechanism of locking locking structure according to claim 4, it is characterized in that: the gag lever post
(7) it is offered on perforative guide groove (18), is fixed on the punch-pin (1) and is adapted to guide groove (18) and is slidably connected at guide groove
(18) guide rod (19) in.
10. the injection mold rotary slider mechanism of locking locking structure according to claim 4, it is characterized in that: the limit
Bar (7) is provided with inclined guide surface (20) far from one end end of drive block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910415796.XA CN110116477A (en) | 2019-05-18 | 2019-05-18 | The injection mold rotary slider mechanism of locking locking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910415796.XA CN110116477A (en) | 2019-05-18 | 2019-05-18 | The injection mold rotary slider mechanism of locking locking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110116477A true CN110116477A (en) | 2019-08-13 |
Family
ID=67522821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910415796.XA Pending CN110116477A (en) | 2019-05-18 | 2019-05-18 | The injection mold rotary slider mechanism of locking locking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110116477A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056444A (en) * | 2022-05-30 | 2022-09-16 | 歌尔股份有限公司 | Injection mould |
| CN116728718A (en) * | 2023-05-26 | 2023-09-12 | 宁波鎏铭光电科技有限公司 | Connecting rod type rotary sliding block device and die with same |
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| CN103317668A (en) * | 2012-03-23 | 2013-09-25 | 三星电机株式会社 | Injection mold of lens |
| CN204820163U (en) * | 2015-06-08 | 2015-12-02 | 天津兆庆科技发展有限公司 | High accuracy positioning die structure |
| CN103640192B (en) * | 2013-12-29 | 2015-12-09 | 大连銮艺精密模塑制造有限公司 | A kind of automobile sensor mold |
| CN207240758U (en) * | 2017-09-29 | 2018-04-17 | 苏州嘉泰隆实业有限公司 | A kind of oiling cover base rotary ejecting device |
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2019
- 2019-05-18 CN CN201910415796.XA patent/CN110116477A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103317668A (en) * | 2012-03-23 | 2013-09-25 | 三星电机株式会社 | Injection mold of lens |
| CN103640192B (en) * | 2013-12-29 | 2015-12-09 | 大连銮艺精密模塑制造有限公司 | A kind of automobile sensor mold |
| CN204820163U (en) * | 2015-06-08 | 2015-12-02 | 天津兆庆科技发展有限公司 | High accuracy positioning die structure |
| CN207240758U (en) * | 2017-09-29 | 2018-04-17 | 苏州嘉泰隆实业有限公司 | A kind of oiling cover base rotary ejecting device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115056444A (en) * | 2022-05-30 | 2022-09-16 | 歌尔股份有限公司 | Injection mould |
| CN115056444B (en) * | 2022-05-30 | 2024-05-31 | 歌尔股份有限公司 | Injection mold |
| CN116728718A (en) * | 2023-05-26 | 2023-09-12 | 宁波鎏铭光电科技有限公司 | Connecting rod type rotary sliding block device and die with same |
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Application publication date: 20190813 |
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| RJ01 | Rejection of invention patent application after publication |