CN107839175A - A kind of release mechanism for preventing from colliding in ejection process - Google Patents
A kind of release mechanism for preventing from colliding in ejection process Download PDFInfo
- Publication number
- CN107839175A CN107839175A CN201710944968.3A CN201710944968A CN107839175A CN 107839175 A CN107839175 A CN 107839175A CN 201710944968 A CN201710944968 A CN 201710944968A CN 107839175 A CN107839175 A CN 107839175A
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- China
- Prior art keywords
- sliding block
- hole
- lower template
- die cavity
- release mechanism
- 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.)
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000000694 effects Effects 0.000 claims description 8
- 230000003028 elevating effect Effects 0.000 claims description 7
- 230000002950 deficient Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000013589 supplement Substances 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
- B29C45/40—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides a kind of release mechanism for preventing from colliding in ejection process, including：Lower template, it is fixedly installed, and die cavity and through hole are provided with the lower template；Sliding block, its is mobilizable to be arranged in the lower template, and the sliding block can be moved in the sidepiece of the die cavity, and spacing hole is provided with the sliding block；Needle collision, it is located in the through hole, and the sliding block is moved to the needle collision when through hole overlaps with the spacing hole and passes through the spacing hole；Ejecting mechanism, it ejects workpiece when the needle collision passes through the spacing hole from the die cavity.Beneficial effects of the present invention are：Avoid die sinking when because sliding block without completely top move back in the case of ejecting mechanism eject and defective work piece by force.
Description
Technical field
The invention belongs to technical field of mold, is related to a kind of release mechanism for preventing from colliding in ejection process.
Background technology
Shooting Technique is a kind of high efficiency and moulding process less, without cutting, is used to produce various zero in modern industry
Part, it has unique technical characterstic and significant economic benefit, and Shooting Technique principle is to utilize high pressure by the high ram compression of plastics liquid
Enter in a precision metallic mold cavity with given shape, plastics liquid cooled and solidified under pressure, after the solidification of plastics liquid,
Injection mold is opened, and takes out casting, completes an injection cycle.
It is generally fitted with ejecting mechanism in mould, ejecting mechanism can be by outside the safe ejection die of the casting of injection formed, and has
Effect protection moulding is integrally without damage, and existing ejecting mechanism is generally thimble and sliding block, sliding in the injection moulding process of reality
After block needs top to move back completely, that is, after sliding block needs to be moved to correct position towards both sides, thimble can eject, and otherwise push up
Pin can produce collision with workpiece, so as to defective work piece.
The content of the invention
The purpose of the present invention is in view of the above-mentioned problems existing in the prior art, it is proposed that one kind prevents from occurring in ejection process
The release mechanism of collision.
The purpose of the present invention can be realized by following technical proposal：A kind of safety for preventing from colliding in ejection process
Mechanism, including：
Lower template, it is fixedly installed, and die cavity and through hole are provided with the lower template；
Sliding block, its is mobilizable to be arranged in the lower template, and the sliding block can move in the sidepiece of the die cavity, institute
State and spacing hole is provided with sliding block；
Needle collision, it is located in the through hole, and the sliding block is moved to the through hole and overlapped with the spacing hole
Shi Suoshu needle collisions pass through the spacing hole；
Ejecting mechanism, it ejects workpiece when the needle collision passes through the spacing hole from the die cavity.
Preferably, being provided with inclined hole on the sliding block, cope plate is provided with the lower template, the cope plate is provided with
Brace, the brace are used to be located in the inclined hole.
Preferably, also including bottom plate and wing base, the bottom plate is located at the downside of the lower template and at the bottom
It is two and is separately positioned on the bottom plate formed with movable inner chamber, the quantity of the wing base between plate and the lower template
Both sides, two wing bases contradict with the lower template both sides connect respectively.
Preferably, being provided with lifter plate in the movable inner chamber, the ejecting mechanism is connected with the lifter plate, institute
State needle collision one end to be fixed on the lifter plate, the other end passes through the through hole.
Preferably, being additionally provided with front stall on the bottom plate, the front stall is contradicted with the lower template and connected, on the front stall
The pilot hole of vertical bar shape is provided with, guide pad is provided with the lifter plate, the guide pad is located in the pilot hole, from
And the lifter plate is set vertically to move.
Preferably, the ejecting mechanism includes thimble, the thimble is arranged on the lifter plate, and the lower template is set
Have the ejection hole of the corresponding die cavity, the ejection hole connects with the die cavity, the lifter plate to the lower template move when
The thimble passes through the ejection hole.
Preferably, the lower end of the lifter plate is provided with elevating lever, the elevating lever passes through the bottom plate and the lifting
Plate connects.
Preferably, being provided with stopper slot in the lower template, the sliding block is arranged in the stopper slot, the stopper slot
Side wall on be provided with guiding groove, be provided with projection on the sliding block, the projection is embedded in the guiding groove, so as to
Slide direction of the sliding block along the guiding groove.
Preferably, the quantity at least two of the sliding block, and it is located at the both sides of the die cavity respectively.
Compared with prior art, beneficial effects of the present invention are：
1st, avoid die sinking when because sliding block without completely top move back in the case of ejecting mechanism eject and defective work piece by force.
2nd, by the structure of brace and inclined hole, when matched moulds process, sliding block can be drawn by brace, so as to be moved towards die cavity,
It is eventually located at the both sides of workpiece；When die sinking process, sliding block can be away from die cavity, so that sliding block moves with matched moulds or die sinking.
3rd, front stall can play guide effect to lifter plate.
Brief description of the drawings
Fig. 1 is the schematic diagram of the mould with release mechanism of the present invention；
Fig. 2 is the structure chart of the release mechanism of the present invention；
Fig. 3 is the structural representation of the movable inner chamber of the present invention；
Fig. 4 is the connection relationship diagram of the sliding block of the present invention.
In figure, 100, lower template；110th, die cavity；120th, through hole；130th, hole is ejected；140th, stopper slot；141st, it is oriented to groove；
200th, sliding block；210th, spacing hole；220th, inclined hole；230th, it is raised；300th, needle collision；410th, brace；500th, bottom plate；510th, in activity
Chamber；520th, wing base；530th, lifter plate；531st, guide pad；540th, front stall；541st, pilot hole；600th, thimble.
Embodiment
It is the specific embodiment of the present invention and with reference to accompanying drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of release mechanism for preventing from colliding in ejection process, including：Lower mould
Plate 100, it is fixedly installed, and die cavity 110 and through hole 120 are provided with the lower template 100；Sliding block 200, its is mobilizable to set
Put in the lower template 100, and the sliding block 200 can move in the sidepiece of the die cavity 110, be set on the sliding block 200
Limited location hole 210；Needle collision 300, it is located in the through hole 120, and the sliding block 200 is moved to the through hole 120
The needle collision 300 passes through the spacing hole 210 when being overlapped with the spacing hole 210；Ejecting mechanism, it is in the needle collision
300 pass through and eject workpiece from the die cavity 110 during the spacing hole 210.
Wherein, lower template 100 is exactly the cover half in mould, and die cavity 110 is exactly the cavity body structure for shaping workpiece, sliding block
200 are located at the sidepiece of die cavity 110, for clamping workpiece, avoid workpiece shift, and ejecting mechanism is just after die sinking, for by workpiece
Jack up, away from die cavity 110.
In existing mould, it usually needs pushed up by matched moulds, injection, pressurize, cooling, die sinking, sliding block 200 and move back, eject
Mechanism ejects workpiece, and in die sinking, if sliding block 200 is not given up the throne completely, during also in the state for clamping workpiece, ejection
Mechanism ejects, meeting defective work piece and die cavity 110, so as to cause serious economic loss.
And there is provided after needle collision 300, when sliding block 200 is not moved on correct position, such as also in clamping work
During the state of part, then needle collision 300 can not eject, and now ejecting mechanism can not eject；And only when needle collision 300 is located in limit
When in the hole 210 of position, ejecting mechanism can eject, so that it is guaranteed that ejecting mechanism will not hurt workpiece and die cavity in ejection
110。
By above-mentioned structure, ejecting mechanism is avoided in the case of being moved back in die sinking because of sliding block 200 without top completely by force
Eject and defective work piece.
As shown in Figure 1, Figure 2, Figure 4 shows, on the basis of above-mentioned embodiment, inclined hole 220 is provided with the sliding block 200,
Cope plate (being not drawn into figure) is provided with the lower template 100, the cope plate is provided with brace 410, and the brace 410 is used
In being located in the inclined hole 220.
Brace 410 is located on upper module, and can wear in inclined hole 220, so that upper module and sliding block 200 both it
Between form linkage structure.
In simple terms, it is now matched moulds work when upper module moves down by the structure of brace 410 and inclined hole 220
Sequence, sliding block 200 can be drawn by brace 410, so as to be moved towards die cavity 110, be eventually located at the both sides of workpiece；And upper module is upward
When mobile, now to mold process, sliding block 200 can be away from die cavity 110, so that sliding block 200 moves with matched moulds or die sinking.
Preferably, cavity is opened up in lower template 100, for being worn for brace 410, when the die is closed, brace 410 is through tiltedly
Hole 220, and finally wear to cavity.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, on the basis of above-mentioned embodiment, in addition to bottom plate 500 and wing base
520, the bottom plate 500 is located at the downside of the lower template 100 and the shape between the bottom plate 500 and the lower template 100
Into there is movable inner chamber 510, the quantity of the wing base 520 is two and is separately positioned on the both sides of the bottom plate 500, two institutes
State wing base 520 and contradict connection with the both sides of lower template 100 respectively.
What deserves to be explained is, bottom plate 500 is platy structure, and the quantity of wing base 520 is two pieces, for supporting lower mould herein
Plate 100, and 510 movable inner chamber 510 of formation activity inner chamber between lower template 100 and bottom plate 500 can be made to be used to ejection be installed
Mechanism and needle collision 300.
As shown in Figure 2, Figure 3, Figure 4, on the basis of above-mentioned embodiment, lifting is provided with the movable inner chamber 510
Plate 530, the ejecting mechanism are connected with the lifter plate 530, and described one end of needle collision 300 is fixed on the lifter plate
On 530, the other end passes through the through hole 120.
Lifter plate 530 is adapted with the shape of movable inner chamber 510, and it can be moved between bottom plate 500 and lower template 100
It is dynamic；When lifter plate 530 is located on bottom plate 500, needle collision 300 is contradicted on the lower surface of sliding block 200, and now sliding block 200 can
To slide, but lifter plate 530 is because needle collision 300 is contradicted on the lower surface of sliding block 200, so can not be towards upper module side
To movement, and when lifter plate 530 can not move, ejecting mechanism can not also move, so as to avoid the mould of ejecting mechanism damage at this moment
Chamber 110.
This structure is very ingenious, safety effect can be played by needle collision 300, so that sliding block 200 does not move
During to correct position, ejecting mechanism can not eject.
As Figure 1 and Figure 4, on the basis of above-mentioned embodiment, front stall 540, institute are additionally provided with the bottom plate 500
State front stall 540 and contradict connection with the lower template 100, the pilot hole 541 of vertical bar shape, the liter are provided with the front stall 540
Guide pad 531 is provided with drop plate 530, the guide pad 531 is located in the pilot hole 541, so that the lifter plate
530 vertically move.
It is worthy of note that, the quantity of front stall 540 is two, respectively positioned at the both ends of base, that is, two sides herein
On position between base 520, before so the four edges of lifter plate 530 being corresponded into two wing bases 520 and two respectively
Seat 540；Front stall 540 can play guide effect to lifter plate 530.
Preferably, the quantity of guide pad 531 is two, is each passed through the pilot hole 541 of two front stalls 540, and guide pad
Cylinder can be connected on 531, guide pad 531 is exerted a force by cylinder, so that whole lifter plate 530, in movement, stress is more
What is added is uniform, and more steady in moving process, precision of the ejecting mechanism with needle collision 300 when wearing is higher.
As shown in figure 1, on the basis of above-mentioned embodiment, the ejecting mechanism includes thimble 600, the thimble 600
It is arranged on the lifter plate 530, the lower template 100 is provided with the ejection hole 130 of the corresponding die cavity 110, the ejection
Hole 130 connects with the die cavity 110, the lifter plate 530 to the lower template 100 move when the thimble 600 through described
Eject hole 130.
Thimble 600 is that quantity is multiple, and the quantity for ejecting hole 130 is identical with the quantity of thimble 600, and ejection hole 130 is equal
It is even to be distributed in whole die cavity 110.
In the operating process of reality, thimble 600 moves with the movement of lifter plate 530, that is to say, that works as lifter plate
530 when moving up, and thimble 600 can pass through ejection hole 130, and workpiece is ejected；So when sliding block 200 is not given up the throne thoroughly
When, needle collision 300 can not pass through through hole 120, and lifter plate 530 can not also rise, and thimble 600 can not also eject；And sliding block 200 moves
When moving on the position overlapped to through hole 120 with spacing hole 210, needle collision 300 can be worn to through hole 120, so that lifting
Plate 530 can move up, and can thus make thimble 600 through ejection hole 130, so as to eject workpiece.
If Fig. 2, Fig. 3 are on the basis of above-mentioned embodiment, the lower end of the lifter plate 530 is provided with elevating lever (in figure
It is not drawn into), the elevating lever is connected through the bottom plate 500 with the lifter plate 530.Elevating lever is used to jack up lifter plate 530,
So as to control lifter plate 530 to lift.
As Figure 1 and Figure 4, on the basis of above-mentioned embodiment, stopper slot 140 is provided with the lower template 100,
The sliding block 200 is arranged in the stopper slot 140, is provided with the side wall of the stopper slot 140 and is oriented to groove 141, described
It is provided with projection 230, described raised 230 on sliding block 200 to be embedded in the guiding groove 141, so that the edge of the sliding block 200
Slide in the direction for being oriented to groove 141.
Projection 230 be embedded be oriented to groove 141 in when, guide effect can not only be played, additionally it is possible to limit projection other
The movement in direction, further for, exactly contradicted in needle collision 300 when on sliding block 200, it can be made not jacked up.
As shown in Figure 2 and Figure 3, on the basis of above-mentioned embodiment, the quantity at least two of the sliding block 200, and point
Not Wei Yu the die cavity 110 both sides.
The moving direction of two sliding blocks 200 is consistent, and when the die is closed, two sliding blocks 200 move towards die cavity 110, when
During die sinking, two sliding blocks 200 are away from die cavity 110.
And, it is preferred that the side of the corresponding die cavity 110 of sliding block 200 is connected with forming blocks, the strength of materials and the essence of forming blocks
Degree is higher, for being contradicted with the workpiece in die cavity 110.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can be made various modifications or supplement to described specific embodiment or be replaced using similar mode
Generation, but without departing from the spiritual of the present invention or surmount scope defined in appended claims.
Claims (9)
- A kind of 1. release mechanism for preventing from colliding in ejection process, it is characterised in that including：Lower template, it is fixedly installed, and die cavity and through hole are provided with the lower template；Sliding block, its is mobilizable to be arranged in the lower template, and the sliding block can move in the sidepiece of the die cavity, the cunning Spacing hole is provided with block；Needle collision, it is located in the through hole, and the sliding block is moved to the through hole and when institute is overlapped with the spacing hole State needle collision and pass through the spacing hole；Ejecting mechanism, it ejects workpiece when the needle collision passes through the spacing hole from the die cavity.
- 2. the release mechanism to be collided in ejection process is prevented as described in claim 1, it is characterised in that：The sliding block On be provided with inclined hole, be provided with cope plate in the lower template, the cope plate is provided with brace, and the brace is used to be located in In the inclined hole.
- 3. the release mechanism to be collided in ejection process is prevented as described in claim 1, it is characterised in that：Also include bottom Plate and wing base, the bottom plate be located at the downside of the lower template and between the bottom plate and the lower template formed with Movable inner chamber, the quantity of the wing base for two and are separately positioned on the both sides of the bottom plate, and two wing bases are distinguished Contradict and connect with the lower template both sides.
- 4. the release mechanism to be collided in ejection process is prevented as described in claim 3, it is characterised in that：The activity Lifter plate is provided with inner chamber, the ejecting mechanism is connected with the lifter plate, and described needle collision one end is fixed on described On lifter plate, the other end passes through the through hole.
- 5. the release mechanism to be collided in ejection process is prevented as described in claim 4, it is characterised in that：The bottom plate On be additionally provided with front stall, the front stall is contradicted with the lower template and connected, and the pilot hole of vertical bar shape, institute are provided with the front stall State and guide pad is provided with lifter plate, the guide pad is located in the pilot hole, so that the vertical side in lifter plate edge To movement.
- 6. the release mechanism for preventing from colliding in ejection process as described in claim 4 or 5, it is characterised in that：It is described Ejecting mechanism includes thimble, and the thimble is arranged on the lifter plate, and the lower template is provided with the top of the corresponding die cavity Portal, it is described ejection hole connected with the die cavity, the lifter plate to the lower template move when the thimble pass through the top Portal.
- 7. the release mechanism to be collided in ejection process is prevented as described in claim 6, it is characterised in that：The lifting The lower end of plate is provided with elevating lever, and the elevating lever is connected through the bottom plate with the lifter plate.
- 8. the release mechanism for preventing from colliding in ejection process as described in claim 1 or 5, it is characterised in that：It is described Stopper slot is provided with lower template, the sliding block is arranged in the stopper slot, and guiding is provided with the side wall of the stopper slot Groove, projection is provided with the sliding block, the projection is embedded in the guiding groove, so that the sliding block is led described in Slided to the direction of groove.
- 9. the release mechanism to be collided in ejection process is prevented as described in claim 8, it is characterised in that：The sliding block Quantity at least two, and respectively be located at the die cavity both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944968.3A CN107839175B (en) | 2017-10-12 | 2017-10-12 | Safety mechanism for preventing collision in ejection process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710944968.3A CN107839175B (en) | 2017-10-12 | 2017-10-12 | Safety mechanism for preventing collision in ejection process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107839175A true CN107839175A (en) | 2018-03-27 |
| CN107839175B CN107839175B (en) | 2020-01-03 |
Family
ID=61662284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710944968.3A Active CN107839175B (en) | 2017-10-12 | 2017-10-12 | Safety mechanism for preventing collision in ejection process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107839175B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267300A (en) * | 2020-02-10 | 2020-06-12 | 宁波方正汽车模具股份有限公司 | Demoulding mechanism for automobile instrument panel decorative strip |
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|---|---|---|---|---|
| CN2726866Y (en) * | 2004-09-06 | 2005-09-21 | 苏州双林电脑器件有限公司 | Injection mould slide block thimble protection device |
| CN201587098U (en) * | 2010-02-04 | 2010-09-22 | 常州华威亚克模具有限公司 | Mold safety protection device |
| CN202702466U (en) * | 2012-07-24 | 2013-01-30 | 泰德兴精密电子（昆山）有限公司 | Sliding block anti-collision device |
| CN204136328U (en) * | 2014-08-14 | 2015-02-04 | 中山市恒滨塑胶模具有限公司 | A kind of mould structure avoiding slide block and thimble, slide block and oblique top mutually to interfere |
| CN205800065U (en) * | 2016-07-20 | 2016-12-14 | 深圳市京鼎工业技术股份有限公司 | A kind of sliding block core pulling structure |
| CN206217095U (en) * | 2016-09-30 | 2017-06-06 | 杭州凯美模具有限公司 | The safe ejector pin mechanism that a kind of anti-limited slip block bumps against with thimble |
-
2017
- 2017-10-12 CN CN201710944968.3A patent/CN107839175B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2726866Y (en) * | 2004-09-06 | 2005-09-21 | 苏州双林电脑器件有限公司 | Injection mould slide block thimble protection device |
| CN201587098U (en) * | 2010-02-04 | 2010-09-22 | 常州华威亚克模具有限公司 | Mold safety protection device |
| CN202702466U (en) * | 2012-07-24 | 2013-01-30 | 泰德兴精密电子（昆山）有限公司 | Sliding block anti-collision device |
| CN204136328U (en) * | 2014-08-14 | 2015-02-04 | 中山市恒滨塑胶模具有限公司 | A kind of mould structure avoiding slide block and thimble, slide block and oblique top mutually to interfere |
| CN205800065U (en) * | 2016-07-20 | 2016-12-14 | 深圳市京鼎工业技术股份有限公司 | A kind of sliding block core pulling structure |
| CN206217095U (en) * | 2016-09-30 | 2017-06-06 | 杭州凯美模具有限公司 | The safe ejector pin mechanism that a kind of anti-limited slip block bumps against with thimble |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111267300A (en) * | 2020-02-10 | 2020-06-12 | 宁波方正汽车模具股份有限公司 | Demoulding mechanism for automobile instrument panel decorative strip |
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| Publication number | Publication date |
|---|---|
| CN107839175B (en) | 2020-01-03 |
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Denomination of invention: Safety mechanism preventing collision from occurring during an ejection process Effective date of registration: 20200720 Granted publication date: 20200103 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SOUTH MOLD & PLASTIC Co.,Ltd. Registration number: Y2020330000515 |
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Date of cancellation: 20210729 Granted publication date: 20200103 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SOUTH MOLD & PLASTIC Co.,Ltd. Registration number: Y2020330000515 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: Safety mechanism for preventing collision during ejection Effective date of registration: 20210729 Granted publication date: 20200103 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SOUTH MOLD & PLASTIC Co.,Ltd. Registration number: Y2021330001038 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220728 Granted publication date: 20200103 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SOUTH MOLD & PLASTIC Co.,Ltd. Registration number: Y2021330001038 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A safety mechanism for preventing collision during ejection Effective date of registration: 20220729 Granted publication date: 20200103 Pledgee: Ningbo Tianjin Enterprise Service Co.,Ltd. Pledgor: NINGBO SOUTH MOLD & PLASTIC Co.,Ltd. Registration number: Y2022330001315 |