CN106313448A - Side core-pulling anti-collision mechanism of injection mold cavity - Google Patents
Side core-pulling anti-collision mechanism of injection mold cavity Download PDFInfo
- Publication number
- CN106313448A CN106313448A CN201610928543.9A CN201610928543A CN106313448A CN 106313448 A CN106313448 A CN 106313448A CN 201610928543 A CN201610928543 A CN 201610928543A CN 106313448 A CN106313448 A CN 106313448A
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- CN
- China
- Prior art keywords
- pulling
- core
- side core
- die
- cavity
- 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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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A side core-pulling anti-collision mechanism of an injection mold cavity comprises an upper compound plate and a lower compound plate. A base plate is arranged below the upper compound plate. The cavity is formed below the base plate. Mold feet are arranged on the lower compound plate. Upper ejector pin plates, lower ejector pin plates and ejector pins are arranged between the mold feet. A core is arranged on the mold feet. Oil cylinders are arranged on the outer wall of the core, and piston rods of the oil cylinders are connected with the lower ejector pin plates. An injection molding plastic part is arranged between the core and the cavity. An inclined concave table is arranged on the upper portion of the plastic part. An upwards-inclined inclined hole is formed in the side wall of the inclined concave table. The side core-pulling anti-collision mechanism is characterized in that a secondary mold opening control mechanism is arranged on the outer side of the base plate, the outer side of the cavity and the outer side of the core; springs are arranged in the base plate, the upper ends of the springs are in contact with the base plate, and the lower ends of the springs are in contact with the cavity; a fixed block is arranged on the outer wall of the base plate, and an inclined sliding groove is formed in the fixed block; an upwards-inclined side core-pulling hole is formed in the cavity; and a side core-pulling rod is arranged in the side core-pulling hole, one end of the side core-pulling rod is connected with a side core-pulling block, the side core-pulling block is matched with the inclined hole of the plastic part, and the other end of the side core-pulling rod is matched with the inclined sliding groove.
Description
Technical field
The present invention relates to injection mold, particularly relate to molding mold cavity side core-pulling anticollision mechanism.
Background technology
Injection mold is used to produce working of plastics, if the top of working of plastics is shaped with oblique concave station, and on the medial wall of oblique concave station
Being shaped with the inclined hole tilted upward, prior art is typically to arrange in cavity side tiltedly to loose core, and owing to inclined hole system is in oblique concave station
On sidewall, if cavity side is distributed straight thimble and the oblique top pin of comparatively dense, arranging in cavity side and tiltedly loose core, this is tiltedly loosed core and then can
Collide with straight thimble or oblique top pin, affect mould die sinking, to avoid tiltedly loosing core by straight thimble or oblique top pin, then mould knot
Structure can be more complicated.
Summary of the invention
The invention aims to the shortcoming overcoming prior art to exist, it is provided that a kind of setting in cavity side is tiltedly loosed core,
A mould first die sinking at die cavity with backing plate, makes tiltedly to loose core and extracts the inclined hole of working of plastics out, then secondary is opened at die cavity with core
Mould, makes working of plastics ejection device, simple in construction, it is ensured that the molding mold cavity side core-pulling anticollision mechanism of mould normal folding mould.
The technical scheme of molding mold cavity side core-pulling anticollision mechanism of the present invention is: include compound plate and lower compound plate, upper multiple
Arrange under plate and under backing plate, backing plate, die cavity is set, lower compound plate arranges mould foot, ejector retainner plate, lower ejector retainner plate are set between mould foot
And thimble, mould foot arranges core, the outer wall of core arranges oil cylinder, and the piston rod of oil cylinder is connected with lower ejector retainner plate, core and
Having the working of plastics of injection mo(u)lding between die cavity, the top of working of plastics is shaped with oblique concave station, the sidewall of oblique concave station is shaped with and tilts upward
Inclined hole, it is characterised in that: described backing plate, die cavity and core outer wall arrange twice-die-opening controlling organization, in backing plate arrange
Spring, the upper end of spring contacts with backing plate, and lower spring end contacts with die cavity, and backing plate outer wall arranges fixed block, in fixed block
It is shaped with oblique chute, die cavity has the side core-pulling hole tilted upward, side core-pulling hole arranges side core-pulling bar, the one of side core-pulling bar
Head connects side core-pulling block, and side core-pulling block matches with the inclined hole of working of plastics, matches with oblique chute in side core-pulling bar other end.
The invention discloses a kind of molding mold cavity side core-pulling anticollision mechanism, when, after working of plastics injection mo(u)lding, spring exists
Promoting die cavity to move down under the effect of restoring force, die cavity drives working of plastics, core, mould foot, upper ejector retainner plate, lower ejector retainner plate, top
Pin, lower compound plate move down, and backing plate and fixed block remain stationary as, and make mould be gradually opened at backing plate and die cavity, due to solid
One of side core-pulling bar in die cavity held by the oblique chute determining block, therefore at die cavity while moving down, and side core-pulling bar edge
The incline direction of the incline direction and oblique chute of side core-pulling hole is extracted out the most laterally, and side core-pulling bar drives side core-pulling block to take out
Going out the inclined hole of working of plastics, after completing to loose core, under the effect of twice-die-opening controlling organization, mould is opened at die cavity and core,
Driving upper and lower ejector retainner plate now by oil cylinder, upper and lower ejector retainner plate drives thimble by working of plastics upwards ejection device.This programme is noted
Mould cavity side is loosed core anticollision mechanism, by arranging side core-pulling bar and side core-pulling block in die cavity, arranges fixing at backing plate outer wall
Block, is shaped with oblique chute in fixed block, arrange spring between backing plate and die cavity, when making mould die sinking first at backing plate and die cavity one
Secondary die sinking, utilizes that side core-pulling bar is spacing with the slip of oblique chute to be coordinated, and makes side core-pulling block first deviate from the inclined hole of working of plastics, thus protects
Card injection mold can be smoothly by working of plastics ejection device during die sinking at die cavity and core, and it is loosed core relative in core side, keeps away
Exempt to collide with straight thimble or oblique top pin, and structure is simpler.
Molding mold cavity side core-pulling anticollision mechanism of the present invention, described twice-die-opening controlling organization includes that a die sinking is drawn
Bar, twice-die-opening pull bar and dead bolt, a described die sinking pull bar fixes with backing plate through securing member, on a die sinking pull bar
Being shaped with a drag hook, the upper surface of a drag hook is oblique surface, and described twice-die-opening pull bar fixes with core through securing member,
Being shaped with secondary drag hook on twice-die-opening pull bar, the lower surface of secondary drag hook is straight block face, has peace in described die cavity outer wall
Tankage, arranges dead bolt and little spring in mounting groove, little spring contacts with dead bolt, dead bolt is shaped with and faces directly and lower inclined plane, on
Facing the straight block face with secondary drag hook directly to contact, the oblique surface of lower inclined plane and a drag hook contacts.When mould is in die sinking, by
Straight block face in the secondary drag hook lower end of twice-die-opening pull bar matches with facing directly on dead bolt, and dead bolt held by secondary drag hook, this
Time mould cannot open at die cavity and core, and can only for the first time die sinking at die cavity and backing plate；When die cavity drive dead bolt to
When lower movement is to a drag hook position of a die sinking pull bar, the oblique surface of the lower inclined plane of dead bolt and a drag hook contacts, lock
Tongue under the mating reaction of oblique surface and lower inclined plane in the mounting groove of inside retraction die cavity, now dead bolt and a die sinking pull bar and
Twice-die-opening pull bar all disengages, now mould can at die cavity and core twice-die-opening.Arrange spacing on described dead bolt
Block, limited block fixes with die cavity through securing member, and limited block lower end is spacing with dead bolt to be contacted.There is limited block, it is to avoid mould is opened
After mould, at little spring restoring force, dead bolt is ejected mounting groove.Described spring is nitrogen spring.Use nitrogen spring, improve work
Make efficiency.
Accompanying drawing explanation
Fig. 1 is the schematic front view of molding mold cavity side core-pulling anticollision mechanism of the present invention；
Fig. 2 is the A A direction schematic cross-section of Fig. 1；
Fig. 3 is the oblique chute mated condition structural representation of side core-pulling bar and fixed block；
Fig. 4 is the schematic side view of molding mold cavity side core-pulling anticollision mechanism of the present invention；
Fig. 5 is the schematic side view of twice-die-opening controlling organization；
Fig. 6 is the B B direction schematic cross-section of Fig. 4；
Fig. 7 is the schematic perspective view of molding mold cavity side core-pulling anticollision mechanism of the present invention.
Detailed description of the invention
The present invention relates to a kind of molding mold cavity side core-pulling anticollision mechanism, as shown in Fig. 1 Fig. 7, including upper compound plate 1 He
Lower compound plate 2, arranges under upper compound plate and arranges die cavity 4 under backing plate 3, backing plate, arranges mould foot 5, arrange between mould foot on lower compound plate
Ejector retainner plate 6, lower ejector retainner plate 7 and thimble 8, mould foot arranges core 9, and the outer wall of core arranges oil cylinder 10, the piston rod of oil cylinder with
Lower ejector retainner plate is connected, and has the working of plastics 11 of injection mo(u)lding between core and die cavity, and the top of working of plastics is shaped with oblique concave station 12, tiltedly
The inclined hole 13 tilted upward it is shaped with on the sidewall of concave station, it is characterised in that: described backing plate 3, die cavity 4 and core 9 outer wall are arranged
Twice-die-opening controlling organization, arranges spring 14 in backing plate 3, and the upper end of spring contacts with backing plate 1, lower spring end and die cavity 4
Contacting, backing plate outer wall arranges fixed block 15, is shaped with oblique chute 16, has the side core-pulling tilted upward in die cavity in fixed block
Hole 31, arranges side core-pulling bar 17 in side core-pulling hole, a connection side core-pulling block 18 of side core-pulling bar, side core-pulling block and working of plastics 11
Inclined hole 13 match, match with oblique chute 16 in side core-pulling bar other end.When, after working of plastics 11 injection mo(u)lding, spring 14 is returning
Promoting die cavity 4 to move down under the effect of multiple power, die cavity drives working of plastics 11, core 9, mould foot 5, upper ejector retainner plate 6, lower ejector retainner plate
7, thimble 8, lower compound plate 2 move down, and backing plate 3 and fixed block 15 remain stationary as, make mould at backing plate 3 and die cavity 4 gradually
Open, owing to of side core-pulling bar 17 in die cavity held by the oblique chute 16 of fixed block 15, therefore moving down at die cavity 4
While, side core-pulling bar is extracted out the most laterally along the incline direction in side core-pulling hole 31 and the incline direction of oblique chute 16,
Side core-pulling bar 17 drives side core-pulling block 18 to extract the inclined hole 13 of working of plastics 11 out, after completing to loose core, at twice-die-opening controlling organization
Under effect, mould is opened at die cavity 4 and core 9, drives upper and lower ejector retainner plate 6,7, upper and lower ejector retainner plate now by oil cylinder 10
Drive thimble 8 by working of plastics 11 upwards ejection device.This programme molding mold cavity side core-pulling anticollision mechanism, by die cavity 4
Side core-pulling bar 17 and side core-pulling block 18 are set, fixed block 15 is set at backing plate 3 outer wall, fixed block is shaped with oblique chute 16, at pad
Arranging spring 14 between plate and die cavity, when making mould die sinking, a first die sinking at backing plate 3 and die cavity 4, utilizes side core-pulling bar 17
Slip with oblique chute 16 is spacing to be coordinated, and makes side core-pulling block 18 first deviate from the inclined hole 13 of working of plastics 11, thus ensures injection mold
Can be smoothly by working of plastics ejection device during die sinking at die cavity 4 and core 9, it is loosed core relative in core side, it is to avoid with straight top
Pin or oblique top pin collide, and structure is simpler.Described twice-die-opening controlling organization includes a die sinking pull bar 19, two
Secondary die sinking pull bar 20 and dead bolt 21, a described die sinking pull bar fixes with backing plate 3 through securing member, on a die sinking pull bar
Being shaped with a drag hook 22, the upper surface of a drag hook is oblique surface 23, and described twice-die-opening pull bar 20 is through securing member and core 9
Fixing, be shaped with secondary drag hook 24 on twice-die-opening pull bar, the lower surface of secondary drag hook is straight block face 25, described die cavity 4
Having mounting groove 26 in outer wall, arrange dead bolt 21 and little spring 27 in mounting groove, little spring contacts with dead bolt, and dead bolt is shaped with
On face 28 and lower inclined plane 29 directly, above face the straight block face 25 with secondary drag hook 22 directly and contact, lower inclined plane and a drag hook 24 oblique
Guide face 23 contacts.When mould is in die sinking, due to the straight block face 25 of secondary drag hook 24 lower end and the lock of twice-die-opening pull bar 20
Facing 28 directly on tongue 21 to match, dead bolt 21 held by secondary drag hook 24, and now mould cannot be opened at die cavity 4 and core 9, and
Can only die sinking for the first time at die cavity 4 and backing plate 3；When die cavity drives dead bolt 21 to be moved downward to a die sinking pull bar 19 once
During drag hook 22 position, the lower inclined plane 29 of dead bolt contacts with the oblique surface 23 of a drag hook 22, and dead bolt 21 is in oblique surface and declivity
Under the mating reaction in face in the mounting groove 26 of inside retraction die cavity 4, now dead bolt 21 and a die sinking pull bar 19 and twice-die-opening
Pull bar 20 all disengages, now mould can at die cavity and core twice-die-opening.On described dead bolt 21, limited block 30 is set,
Limited block fixes with die cavity 4 through securing member, and limited block lower end is spacing with dead bolt to be contacted.There is limited block 30, it is to avoid mould is opened
After mould, at little spring 27 restoring force, dead bolt 21 is ejected mounting groove 26.Described spring 14 is nitrogen spring.Use nitrogen bullet
Spring, improves work efficiency.
Claims (4)
1. molding mold cavity side core-pulling anticollision mechanism, including upper compound plate (1) and lower compound plate (2), arranges backing plate under upper compound plate
(3), die cavity (4) is set under backing plate, lower compound plate arranges mould foot (5), ejector retainner plate (6), lower ejector retainner plate are set between mould foot
And thimble (8) (7), mould foot arranging core (9), the outer wall of core arranges oil cylinder (10), the piston rod of oil cylinder and lower ejector retainner plate
Being connected, have the working of plastics (11) of injection mo(u)lding between core and die cavity, the top of working of plastics is shaped with oblique concave station (12), oblique concave station
Sidewall on be shaped with the inclined hole (13) tilted upward, it is characterised in that: described backing plate (3), die cavity (4) and core (9) outer wall
Arranging twice-die-opening controlling organization, arrange spring (14) in backing plate (3), the upper end of spring contacts, under spring with backing plate (1)
End contacts with die cavity (4), and backing plate outer wall arranges fixed block (15), is shaped with oblique chute (16), has in die cavity in fixed block
The side core-pulling hole (31) tilted upward, arranges side core-pulling bar (17) in side core-pulling hole, a connection side core-pulling block of side core-pulling bar
(18), side core-pulling block matches with the inclined hole (13) of working of plastics (11), matches with oblique chute (16) in side core-pulling bar other end.
2. molding mold cavity side core-pulling anticollision mechanism as claimed in claim 1, it is characterised in that: described twice-die-opening control
Mechanism processed includes die sinking pull bar (19), twice-die-opening pull bar (20) and dead bolt (21), a described die sinking pull bar (19)
Fixing with backing plate (3) through securing member, be shaped with a drag hook (22) on a die sinking pull bar, the upper surface of a drag hook is oblique
Guide face (23), described twice-die-opening pull bar (20) fixes with core (9) through securing member, is shaped with two on twice-die-opening pull bar
Secondary drag hook (24), the lower surface of secondary drag hook is straight block face (25), has mounting groove (26) in described die cavity (4) outer wall, peace
Arranging dead bolt (21) and little spring (27) in tankage, little spring contacts with dead bolt, dead bolt is shaped with and faces (28) and declivity directly
Face (29), above faces the straight block face (25) with secondary drag hook (24) directly and contacts, lower inclined plane and the oblique surface of a drag hook (22)
(23) contact.
3. molding mold cavity side core-pulling anticollision mechanism as claimed in claim 2, it is characterised in that: on described dead bolt (21)
Arranging limited block (30), limited block fixes with die cavity (4) through securing member, and limited block lower end is spacing with dead bolt to be contacted.
4. molding mold cavity side core-pulling anticollision mechanism as claimed in claim 1, it is characterised in that: described spring (14) is
Nitrogen spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928543.9A CN106313448B (en) | 2016-10-31 | 2016-10-31 | Molding mold cavity side core-pulling anticollision mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610928543.9A CN106313448B (en) | 2016-10-31 | 2016-10-31 | Molding mold cavity side core-pulling anticollision mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN106313448A true CN106313448A (en) | 2017-01-11 |
| CN106313448B CN106313448B (en) | 2019-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610928543.9A Active CN106313448B (en) | 2016-10-31 | 2016-10-31 | Molding mold cavity side core-pulling anticollision mechanism |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108312445A (en) * | 2018-05-04 | 2018-07-24 | 思柏精密模具注塑（无锡）有限公司 | A kind of injection mold of oil can bottom of the pot |
| CN108394071A (en) * | 2018-05-04 | 2018-08-14 | 思柏精密模具注塑（无锡）有限公司 | A kind of vehicle oilcan injection mold |
| CN108582702A (en) * | 2018-02-02 | 2018-09-28 | 嘉兴信元精密模具科技有限公司 | A kind of synchronous mold-opening mechanism |
| CN108748904A (en) * | 2018-07-24 | 2018-11-06 | 宁波瑞元模塑有限公司 | Oiling wicket molds anti-drawing anticollision device, collision-prevention device |
| CN111168944A (en) * | 2020-01-10 | 2020-05-19 | 宁波方正汽车模具股份有限公司 | Twice-action core-pulling mechanism of injection mold of air inlet casing of automobile engine |
| CN113858556A (en) * | 2021-10-09 | 2021-12-31 | 宁波方正汽车模具股份有限公司 | Injection mold for automobile seat guard plate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108582702A (en) * | 2018-02-02 | 2018-09-28 | 嘉兴信元精密模具科技有限公司 | A kind of synchronous mold-opening mechanism |
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| CN108394071A (en) * | 2018-05-04 | 2018-08-14 | 思柏精密模具注塑（无锡）有限公司 | A kind of vehicle oilcan injection mold |
| CN108312445B (en) * | 2018-05-04 | 2024-02-27 | 思柏精密科技股份有限公司 | Injection mold at bottom of oilcan kettle |
| CN108394071B (en) * | 2018-05-04 | 2024-04-12 | 思柏精密科技股份有限公司 | Injection mold for automobile oilcan |
| CN108748904A (en) * | 2018-07-24 | 2018-11-06 | 宁波瑞元模塑有限公司 | Oiling wicket molds anti-drawing anticollision device, collision-prevention device |
| CN108748904B (en) * | 2018-07-24 | 2023-09-26 | 宁波瑞元模塑有限公司 | Anti-pulling anti-collision device for opening oil filling small door |
| CN111168944A (en) * | 2020-01-10 | 2020-05-19 | 宁波方正汽车模具股份有限公司 | Twice-action core-pulling mechanism of injection mold of air inlet casing of automobile engine |
| CN111168944B (en) * | 2020-01-10 | 2021-10-19 | 宁波方正汽车模具股份有限公司 | Twice-action core-pulling mechanism of injection mold of air inlet casing of automobile engine |
| CN113858556A (en) * | 2021-10-09 | 2021-12-31 | 宁波方正汽车模具股份有限公司 | Injection mold for automobile seat guard plate |
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|---|---|
| CN106313448B (en) | 2019-01-22 |
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| CB02 | Change of applicant information |
Address after: 318020 Pukou Village, Toutuo Town, Huangyan District, Taizhou City, Zhejiang Province Applicant after: Zhejiang Kuntai Mould Co., Ltd. Address before: 318020 Pukou Village, Toutuo Town, Huangyan District, Taizhou City, Zhejiang Province Applicant before: Taizhou Huangyan Kuntai Mould Co., Ltd. |
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