CN105252718B - Side edge inclined wedge upper-lower inner upturned double demolding mechanism for injection mold - Google Patents
Side edge inclined wedge upper-lower inner upturned double demolding mechanism for injection mold Download PDFInfo
- Publication number
- CN105252718B CN105252718B CN201510476154.2A CN201510476154A CN105252718B CN 105252718 B CN105252718 B CN 105252718B CN 201510476154 A CN201510476154 A CN 201510476154A CN 105252718 B CN105252718 B CN 105252718B
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- China
- Prior art keywords
- hole
- wedge
- pin
- inverted buckle
- upturned
- 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
- B29C45/0025—Preventing defects on the moulded article, e.g. weld lines, shrinkage marks
-
- 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
Abstract
Discloses is a side edge inclined wedge upper-lower inner upturned double demoulding mechanism for an injection mold. The side edge inclined wedge upper-lower inner upturned double demoulding mechanism comprises an upper compound plate and a lower compound plate. A fixed mold and inclined guide pillars are arranged below the upper compound plate. Mold feet, an upper ejector retainer plate and a lower ejector retainer plate are arranged on the lower compound plate. Ejector pins are arranged between the upper ejector retainer plate and the lower ejector retainer plate. A movable mold is arranged on the mold feet. Side core-pulling slide blocks are arranged on the movable mold. Inclined guide holes which are matched with the inclined guide pillars are formed in the side core-pulling slide blocks. The side edge inclined wedge upper-lower inner upturned double demoulding mechanism is characterized in that side pulling holes, upper pin holes, lower pin holes, upper spring grooves and lower spring grooves are formed in the side core-pulling slide blocks, side inclined wedges are arranged in the side pulling holes and one ends of the side inclined wedges are connected with a piston rod of an oil cylinder; location holes are formed in the side inclined wedges, and upper inclined guide faces and lower inclined guide faces are formed at the other ends of the side inclined wedges; upper upturned slide blocks are arranged on the upper inclined guide faces, and lower upturned slide blocks are arranged under the lower inclined guide faces; locating pins are arranged in the upper pin holes and the lower pin holes and penetrate through the upper upturned slide blocks, the lower upturned slide blocks and the side inclined wedges; upper springs which make contact with the upper upturned slide blocks are arranged in the upper spring grooves, and lower springs which make contact with the lower upturned slide blocks are arranged in the lower spring grooves.
Description
Technical field
The present invention relates to injection mold, the more particularly to upper and lower interior double mould emptiers of back-off of injection mold side wedge.
Background technology
After working of plastics injection moulding, if back-off and lower back-off are formed with the side wall of working of plastics, and upper and lower back-off is phase
Mutually corresponding, prior art is that the depth of upper and lower back-off is done into small, then is easily gone out by strong de- directly abjection back-off, therefore back-off
Situations such as now breaking, causes product rejection, and scrappage is high, and due to back-off depth is done into small, it buckles ability, working of plastics
When being assembled with other parts, it is unreliable to assemble, and influences using effect.Therefore, someone devises the side action sliders 1 ' in dynamic model
Middle setting upper oblique top 2 ' diagonally downward and the lower oblique top 3 ' for tilting upward（As shown in Figure 5）, upper oblique top coordinates with upper back-off 4 ',
Lower oblique top coordinates with lower back-off 5 ', and connecting spring 6 ' and spacer pin 7 ' are distinguished in upper and lower oblique top other end, when side action sliders are outside
During side shifting, lived in using spring top, lower oblique top, upper and lower oblique top is not outwards extracted out first, but upper and lower oblique top can be along tiltedly leading
The incline direction in hole deviates from back-off to inner side, then is extracted out upper and lower oblique top laterally by side action sliders, but the structure due to
Upper and lower oblique top can be withstood on the wall of dynamic model during matched moulds, therefore is only applicable to the product of side-wall hole, and it is same to be not used to side wall
When be formed with the product of real face and upper and lower back-off.
The content of the invention
The invention aims to the shortcoming for overcoming prior art to exist, there is provided a kind of simple structure, the demoulding is smooth, into
Product rate is high, it is adaptable to which the side wall of working of plastics is formed with the upper and lower interior back-off of the injection mold side wedge in real face and upper and lower back-off simultaneously
Double mould emptiers.
The technical scheme of the double mould emptiers of back-off is in injection mold side of the present invention wedge is upper and lower：Including upper compound plate with
Compound plate, sets centring ring and gate bush in upper compound plate, and cover half is set under upper compound plate, is set between upper compound plate and cover half and tiltedly led
Post, is provided with perforation in lower compound plate, and support block is set on lower compound plate, and upper ejector retainner plate and lower thimble are set on the lower compound plate between support block
Plate, sets thimble between upper and lower ejector retainner plate, injector push rod is in contact with below lower ejector retainner plate through perforation, is set on support block
Dynamic model is put, side action sliders are set on dynamic model, oblique guide hole is provided with side action sliders, oblique guide hole is engaged with Angle Pin, in side
There is the working of plastics of injection moulding between core-pulling slide block and fixed half and moving half, side wall is formed with working of plastics, back-off is formed with the wall of side
With lower back-off, upper and lower back-off is corresponding, it is characterised in that：Side is formed with described side action sliders and takes out hole, upper pin-and-hole, lower pin
Hole, upper spring groove and lower spring groove, set skew back wedge in hole is taken out in side, and of skew back wedge is connected with the piston rod of oil cylinder,
Location hole is formed with skew back wedge, skew back wedge other end is formed with oblique surface and lower oblique surface, back-off is set on upper oblique surface
Sliding block, upper inverted buckle slider is engaged with the upper back-off of working of plastics, is divided into lower oblique surface and puts lower inverted buckle slider, lower inverted buckle slider with
The lower back-off of working of plastics is engaged, and alignment pin is set in described upper and lower pin-and-hole, and alignment pin passes through upper inverted buckle slider, lower back-off
Sliding block and skew back wedge, and contacted with location hole left and right sides inwall positioning, set upper spring in the upper spring groove, upper spring with
Upper inverted buckle slider is in contact, and lower spring is set in lower spring groove, and lower spring is in contact with lower inverted buckle slider.
The invention discloses a kind of upper and lower interior double mould emptiers of back-off of injection mold side wedge, when working of plastics injection moulding
Afterwards, first pass through oil cylinder piston rod drive the outside side shifting of skew back wedge, due to the other end of skew back wedge be formed with upper oblique surface and under
Oblique surface, and upper oblique surface is in contact with upper inverted buckle slider, lower oblique surface is in contact with lower inverted buckle slider, therefore when skew back wedge to
During outer side shifting, upper spring pushes down on inverted buckle slider, inverted buckle slider is deviate from plastics gradually downward along upper oblique surface
The upper back-off of part, lower spring pushes up lower inverted buckle slider, makes lower inverted buckle slider along lower oblique surface gradually prolapse upwards plastics
The lower back-off of part, when skew back wedge is moved to certain position to side, location hole right side inwall and alignment pin phase in skew back wedge
Contact, alignment pin offside wedge plays positioning action, prevents its from continuing outside side shifting, this at present compound plate drive support block, dynamic model,
Upper ejector retainner plate, lower ejector retainner plate, side action sliders and working of plastics are moved rearwards by, mould die sinking, are moved rearwards by side action sliders
Meanwhile, the oblique guide hole of side action sliders coordinates with Angle Pin, side action sliders along Angle Pin the outside side shifting of incline direction,
Side action sliders drive skew back wedge and the outside side shifting of upper and lower inverted buckle slider, upper and lower inverted buckle slider is departed from working of plastics, finally
Upper and lower ejector retainner plate, upper and lower ejector retainner plate is driven to drive thimble by working of plastics ejection device by injector push rod；When mould matched moulds,
Lower compound plate drives support block, dynamic model, upper ejector retainner plate, lower ejector retainner plate, side action sliders and working of plastics to move forward, and is driven by Angle Pin
The inside homing of side action sliders, and the piston rod of oil cylinder inwardly promotes the upper oblique surface of skew back wedge, skew back wedge to promote simultaneously
Upper inverted buckle slider overcomes the upward homing of upper spring force, and lower oblique surface promotes lower inverted buckle slider to overcome lower spring power to reply downwards
Original position, when the location hole inner left wall of skew back wedge is in contact with alignment pin, alignment pin offside wedge enters and upper and lower inverted buckle slider
Positioning, prevents skew back wedge and upper and lower inverted buckle slider from inwardly pushing up onto dynamic model, between skew back wedge and upper and lower inverted buckle slider and dynamic model
Certain interval is left, the working of plastics side wall of injection moulding is formed with real face, and upper and lower back-off is formed with real face.
The double mould emptiers of back-off, described upper spring groove and upper pin-and-hole phase in injection mold side of the present invention wedge is upper and lower
Logical, lower spring groove is communicated with lower pin-and-hole, alignment pin also cross upper pin-and-hole, upper spring groove, upper inverted buckle slider, location hole, it is lower fall
Button sliding block, lower spring groove and lower pin-and-hole.On the same axis, alignment pin is for upper pin-and-hole, upper spring groove, lower spring groove and lower pin-and-hole
Moving left and right for offside wedge of energy plays positioning action, can play guide effect to upper and lower spring and upper and lower inverted buckle slider again,
Make the mobile guide of the flexible and upper and lower inverted buckle slider of upper and lower spring more accurate.
Brief description of the drawings
Fig. 1 is the injection mold side wedge double mould emptier matched moulds status architecture schematic diagrames of interior back-off up and down；
Fig. 2 is that upper and lower inverted buckle slider deviates from upper and lower back-off status architecture schematic diagram；
Fig. 3 is the injection mold side wedge double mould emptier die opening state structural representations of interior back-off up and down；
Fig. 4 is the structural representation of side action sliders；
Fig. 5 is the structural representation of existing side core-pulling mechanism.
Specific embodiment
The present invention relates to a kind of upper and lower interior double mould emptiers of back-off of injection mold side wedge, as shown in Fig. 1-Fig. 4, bag
Compound plate 1 and lower compound plate 2 are included, centring ring 3 and gate bush 4 are set in upper compound plate, cover half 5, upper compound plate are set under upper compound plate
Angle Pin 6 is set between cover half, perforation 7 is provided with lower compound plate, support block 8, the lower compound plate between support block are set on lower compound plate
Ejector retainner plate 9 and lower ejector retainner plate 10 in upper setting, between upper and lower ejector retainner plate set thimble 11, injector push rod 12 through perforation 7 with
It is in contact below lower ejector retainner plate, dynamic model 13 is set on support block, side action sliders 14 are set on dynamic model, is provided with side action sliders
Oblique guide hole 15, oblique guide hole is engaged with Angle Pin 6, there is the modeling of injection moulding between side action sliders and cover half 5 and dynamic model 13
Materials and parts 16, are formed with side wall 17 on working of plastics, back-off 18 and lower back-off 19 are formed with the wall of side, and upper and lower back-off is corresponding, its feature
It is：Side is formed with described side action sliders 14 and takes out hole 20, upper pin-and-hole 21, lower pin-and-hole 22, upper spring groove 23 and lower spring groove
24, skew back wedge 25 is set in hole is taken out in side, of skew back wedge is connected with the piston rod of oil cylinder 26, and positioning is formed with skew back wedge
Hole 27, skew back wedge other end is formed with oblique surface 28 and lower oblique surface 29, and inverted buckle slider 30 is set on upper oblique surface, above falls
Button sliding block is engaged with the upper back-off 18 of working of plastics 16, the inverted buckle slider 31 under the setting of lower oblique surface 29 time, lower inverted buckle slider and
The lower back-off 19 of working of plastics 16 is engaged, and alignment pin 32 is set in described upper and lower pin-and-hole 21,22, and alignment pin passes through upper back-off
Sliding block 30, lower inverted buckle slider 31 and skew back wedge 25, and contacted with the left and right sides inwall positioning of location hole 27, the upper spring groove 23
Spring 33 in middle setting, upper spring is in contact with upper inverted buckle slider 30, and lower spring 34 is set in lower spring groove 24, and lower spring is with
Inverted buckle slider 31 is in contact.After 16 injection moulding of working of plastics, the piston rod for first passing through oil cylinder 26 drives skew back wedge 25 laterally
It is mobile, because the other end of skew back wedge is formed with upper oblique surface 28 and lower oblique surface 29, and upper oblique surface and the phase of upper inverted buckle slider 30
Contact, lower oblique surface is in contact with lower inverted buckle slider 31, therefore when skew back 25 outside side shifting of wedge, upper spring 33 is pushed down on
Upper inverted buckle slider 30, makes inverted buckle slider deviate from the upper back-off 18 of working of plastics 16, lower spring gradually downward along upper oblique surface 28
34 push up lower inverted buckle slider 31, make lower inverted buckle slider along the lower back-off of the gradually prolapse upwards working of plastics of lower oblique surface 29
19, when skew back wedge 25 is moved to certain position to side, the right side inwall of location hole 27 in skew back wedge connects with alignment pin 32
Touch, alignment pin offside wedge plays positioning action, prevent it from continuing outside side shifting, this support block 8, dynamic model of drive of compound plate 2 at present
13rd, upper ejector retainner plate 9, lower ejector retainner plate 10, side action sliders 14 and working of plastics 16 are moved rearwards by, mould die sinking, in side action sliders
While being moved rearwards by, oblique guide hole 15 and the Angle Pin 6 of side action sliders coordinate, side action sliders along Angle Pin inclination side
To outside side shifting, side action sliders drive skew back wedge 25 and upper and lower inverted buckle slider 30,31 outside side shiftings, make upper and lower back-off
Sliding block departs from working of plastics 16, finally drives upper and lower ejector retainner plate 9,10, upper and lower ejector retainner plate to drive thimble 11 by injector push rod 12
By working of plastics ejection device；When mould matched moulds, lower compound plate 2 drives support block 8, dynamic model 13, upper ejector retainner plate 9, lower ejector retainner plate 10, side
Core-pulling slide block 14 and working of plastics 16 are moved forward, and the inside homing of side action sliders is driven by Angle Pin 6, and oil cylinder 26 simultaneously
Piston rod inwardly promote skew back wedge 25, the upper oblique surface 28 of skew back wedge promotes upper inverted buckle slider 30 to overcome the power of upper spring 33 upward
Homing, lower oblique surface 29 promotes lower inverted buckle slider 31 to overcome the downward homing of power of lower spring 34, when determining for skew back wedge 25
When the position inner left wall of hole 27 is in contact with alignment pin 32, alignment pin offside wedge and upper and lower inverted buckle slider 30,31 are positioned, and are prevented
Skew back wedge and upper and lower inverted buckle slider are inwardly pushed up onto dynamic model 13, are left between skew back wedge and upper and lower inverted buckle slider and dynamic model certain
Gap, makes the side wall 17 of working of plastics 16 of injection moulding be formed with real face, and upper and lower back-off 18,19 is formed with real face.
Claims (2)
1. the upper and lower interior double mould emptiers of back-off of injection mold side wedge, including upper compound plate（1）With lower compound plate（2）, in upper compound plate
Middle setting centring ring（3）And gate bush（4）, cover half is set under upper compound plate（5）, Angle Pin is set between upper compound plate and cover half
（6）, perforation is provided with lower compound plate（7）, support block is set on lower compound plate（8）, upper ejector retainner plate is set on the lower compound plate between support block
（9）With lower ejector retainner plate（10）, thimble is set between upper and lower ejector retainner plate（11）, injector push rod（12）Through perforation（7）With lower top
It is in contact below needle plate, dynamic model is set on support block（13）, side action sliders are set on dynamic model（14）, it is provided with side action sliders
Oblique guide hole（15）, oblique guide hole and Angle Pin（6）It is engaged, in side action sliders and cover half（5）And dynamic model（13）Between have injection
The working of plastics of shaping（16）, side wall is formed with working of plastics（17）, back-off is formed with the wall of side（18）With lower back-off（19）, it is upper and lower
Back-off is corresponding, it is characterised in that：Described side action sliders（14）In be formed with side and take out hole（20）, upper pin-and-hole（21）, lower pin-and-hole
（22）, upper spring groove（23）With lower spring groove（24）, skew back wedge is set in hole is taken out in side（25）, one of skew back wedge and oil cylinder
（26）Piston rod be connected, be formed with location hole in skew back wedge（27）, skew back wedge other end is formed with oblique surface（28）With it is oblique
Guide face（29）, inverted buckle slider is set on upper oblique surface（30）, upper inverted buckle slider and working of plastics（16）Upper back-off（18）Phase
Coordinate, in lower oblique surface（29）Inverted buckle slider under lower setting（31）, lower inverted buckle slider and working of plastics（16）Lower back-off（19）Phase
Coordinate, described upper and lower pin-and-hole（21、22）Middle setting alignment pin（32）, alignment pin pass through upper inverted buckle slider（30）, lower back-off slides
Block（31）With skew back wedge（25）, and and location hole（27）Left and right sides inwall positioning contact, the upper spring groove（23）Middle setting
Upper spring（33）, upper spring and upper inverted buckle slider（30）It is in contact, lower spring groove（24）Middle setting lower spring（34）, lower spring with
Lower inverted buckle slider（31）It is in contact.
2. injection mold side as claimed in claim 1 wedge up and down in the double mould emptiers of back-off, it is characterised in that：Described
Upper spring groove（23）With upper pin-and-hole（21）Communicate, lower spring groove（24）With lower pin-and-hole（22）Communicate, alignment pin（32）Also cross
Upper pin-and-hole（21）, upper spring groove（23）, upper inverted buckle slider（30）, location hole（27）, lower inverted buckle slider（31）, lower spring groove（24）
With lower pin-and-hole（22）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510476154.2A CN105252718B (en) | 2015-08-06 | 2015-08-06 | Side edge inclined wedge upper-lower inner upturned double demolding mechanism for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510476154.2A CN105252718B (en) | 2015-08-06 | 2015-08-06 | Side edge inclined wedge upper-lower inner upturned double demolding mechanism for injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105252718A CN105252718A (en) | 2016-01-20 |
| CN105252718B true CN105252718B (en) | 2017-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510476154.2A Active CN105252718B (en) | 2015-08-06 | 2015-08-06 | Side edge inclined wedge upper-lower inner upturned double demolding mechanism for injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105252718B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106891486A (en) * | 2017-04-28 | 2017-06-27 | 昆山金莓电子有限公司 | Master slider plus side sliding block tripping mechanism and injection mold |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6330116U (en) * | 1986-08-08 | 1988-02-27 | ||
| JP2001088142A (en) * | 1999-09-27 | 2001-04-03 | Inks:Kk | Loose core unit for mold |
| CN201960710U (en) * | 2010-12-08 | 2011-09-07 | 浙江凯华模具有限公司 | Double slide block demolding mechanism for upper and lower inverted buckles of vehicle water tank |
| CN202162921U (en) * | 2011-06-25 | 2012-03-14 | 富港电子（东莞）有限公司 | Forming die for product with barb at side surface |
| CN103381634A (en) * | 2013-07-18 | 2013-11-06 | 中山市利群精密实业有限公司 | Secondary slide structure for stripping plastic mould |
| CN204936081U (en) * | 2015-08-06 | 2016-01-06 | 浙江凯华模具有限公司 | Injection mold side wedge is the two mould emptier of interior back-off up and down |
-
2015
- 2015-08-06 CN CN201510476154.2A patent/CN105252718B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6330116U (en) * | 1986-08-08 | 1988-02-27 | ||
| JP2001088142A (en) * | 1999-09-27 | 2001-04-03 | Inks:Kk | Loose core unit for mold |
| CN201960710U (en) * | 2010-12-08 | 2011-09-07 | 浙江凯华模具有限公司 | Double slide block demolding mechanism for upper and lower inverted buckles of vehicle water tank |
| CN202162921U (en) * | 2011-06-25 | 2012-03-14 | 富港电子（东莞）有限公司 | Forming die for product with barb at side surface |
| CN103381634A (en) * | 2013-07-18 | 2013-11-06 | 中山市利群精密实业有限公司 | Secondary slide structure for stripping plastic mould |
| CN204936081U (en) * | 2015-08-06 | 2016-01-06 | 浙江凯华模具有限公司 | Injection mold side wedge is the two mould emptier of interior back-off up and down |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105252718A (en) | 2016-01-20 |
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| PB01 | Publication | ||
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Double demoulding mechanism with upper and lower inner reverse buckle on the side wedge of injection mold Effective date of registration: 20220704 Granted publication date: 20170517 Pledgee: Agricultural Bank of China Limited Taizhou Economic Development Zone sub branch Pledgor: ZHEJIANG KAIHUA MOULDS Co.,Ltd. Registration number: Y2022330001226 |
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