CN208615227U - A kind of cavity jacking structure and injection mold - Google Patents
A kind of cavity jacking structure and injection mold Download PDFInfo
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- CN208615227U CN208615227U CN201821318444.XU CN201821318444U CN208615227U CN 208615227 U CN208615227 U CN 208615227U CN 201821318444 U CN201821318444 U CN 201821318444U CN 208615227 U CN208615227 U CN 208615227U
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Abstract
The utility model provides a kind of cavity jacking structure and injection mold, is related to technical field of mold.The cavity jacking structure includes ejector pin component, solid plate, moving template, deduction, stop part, elastic component and holding part.The side of ejector pin component is provided with accommodation groove, holding part is connected by the bottom wall of elastic component and accommodation groove, deduction is fixedly installed on moving template, and with holding part clamping, stop part is fixedly installed on solid plate, stop part can cooperate when ejector pin component moves to predeterminated position with holding part, to overcome the elastic force of elastic component that holding part is headed into accommodation groove.Compared with prior art, since cavity jacking structure described in the utility model uses the stop part with the holding part of deduction clamping and with holding part cooperation, product is ejected so can be realized direction of the ejector pin component under the drive of moving template from solid plate towards moving template, the case where preventing product sticking to mould generation, it is reliable to eject motion stabilization, it is practical.
Description
Technical field
The utility model relates to technical field of mold, in particular to a kind of cavity jacking structure and injection mold.
Background technique
Traditional plastic mould during production, if production product preceding mould direction have rib, groove or
The shape of the abnormity such as back-off or when elongated product, the product of production be easy to appear it is viscous before mould, situations such as push up not Chu, when appearance with
When upper abnormal conditions, will lead to following result: 1, product is trapped in preceding mould, and rear mold ejection mechanism cannot play a role.2, product
It is sticked to preceding mould, is easy to pull product, to rejected product occur, causes yield rate low, increases production cost.
Utility model content
In view of this, the utility model is directed to a kind of cavity jacking structure, structure is simple, can be from preceding mould towards rear mold
Direction the case where product is ejected, product sticking to mould is prevented generation, ejection motion stabilization is reliable, practical.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of cavity jacking structure, including ejector pin component, solid plate, moving template, deduction, stop part, elastic component and clamping
Part, solid plate are set between ejector pin component and moving template, and the side of ejector pin component is provided with accommodation groove, and holding part passes through elasticity
The connection of the bottom wall of part and accommodation groove, holding part can stretch out or be retracted accommodation groove, and deduction is fixedly installed on moving template, and with
Holding part clamping, moving template can be moved towards the direction far from solid plate, to drive ejector pin component to close to fixed by holding part
The direction of template moves, and stop part is fixedly installed on solid plate, and stop part can be when ejector pin component moves to predeterminated position
Cooperate with holding part, to overcome the elastic force of elastic component that holding part is headed into accommodation groove, so that holding part and deduction are detached from.
Further, deduction offers sliding groove close to the side of moving template, and stop part can be slidably matched with sliding groove,
To carry out guide and limit to deduction.
Further, ejector pin component includes face needle plate, bottom needle plate and thimble ontology, and face needle plate is abutted with bottom needle plate, accommodating
Slot is opened on the side wall of bottom needle plate, and the first mode is provided in solid plate, and thimble ontology is installed in the needle plate of face, thimble ontology
One end supported with bottom needle plate, the other end protrudes into the first mode, and cooperates with the first mode.
Further, holding part is relatively set with mating surface and catch surface, and catch surface is set to mating surface far from face needle plate
Side, catch surface and the side wall of bottom needle plate be mutually perpendicular to, and mating surface and mating surface are in default angle setting, catch surface be used for
Deduction supports, and mating surface is used to cooperate with stop part.
Further, the range of angle is preset between 45 degree to 65 degree.
Further, deduction is relatively set with supporting surface and reset surface, and reset surface is set to supporting surface far from moving template
Side, for supporting with catch surface, reset surface is used to cooperate with mating surface supporting surface.
Further, face needle plate offers stepped hole, and stepped hole has a step surface, and thimble ontology is installed on stepped hole
It is interior, and supported with step surface.
Further, thimble ontology includes integrally formed fixed part and thimble portion, and the cross-sectional area of fixed part is greater than top
The cross-sectional area in needle portion, one end and the bottom needle plate of fixed part support, and the other end is supported with step surface, and stepped hole is stretched out in thimble portion,
And cooperate with the first mode.
Further, cavity jacking structure further includes locating part, and locating part is in U-shape, and locating part is fixedly connected with solid plate,
And combined with solid plate and to form limit cavity, deduction can be with limit cavity cooperation.
Compared with the existing technology, cavity jacking structure described in the utility model has the advantage that
Cavity jacking structure described in the utility model, the side of ejector pin component are provided with accommodation groove, and holding part passes through bullet
Property part and the bottom wall of accommodation groove connect, holding part can stretch out or be retracted accommodation groove, and deduction is fixedly installed on moving template, and
With holding part clamping, moving template can be moved towards the direction far from solid plate, with by holding part drive ejector pin component to close
The direction of solid plate moves, and stop part is fixedly installed on solid plate, and stop part can move to predeterminated position in ejector pin component
When cooperate with holding part, to overcome the elastic force of elastic component that holding part is headed into accommodation groove, so that holding part and deduction are detached from.
Compared with prior art, due to cavity jacking structure described in the utility model use with the holding part of deduction clamping and with
The stop part of holding part cooperation, so can be realized ejector pin component under the drive of moving template from solid plate towards the direction of moving template
The case where product is ejected, product sticking to mould is prevented generation, ejection motion stabilization is reliable, practical.
The another object of the utility model is to propose a kind of injection mold, in cavity jacking structure structure it is simple,
Can the case where product is ejected, product sticking to mould the is prevented generation of the direction from preceding mould towards rear mold, ejection motion stabilization is reliable, practical
Strong, the high yield rate of property.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of injection mold, including above-mentioned cavity jacking structure, which includes ejector pin component, cover half
Plate, moving template, deduction, stop part, elastic component and holding part, solid plate are set between ejector pin component and moving template, thimble group
The side of part is provided with accommodation groove, and holding part is connected by the bottom wall of elastic component and accommodation groove, and holding part can stretch out or contract
Into accommodation groove, deduction is fixedly installed on moving template, and with holding part clamping, moving template can towards far from solid plate direction transport
Dynamic, to drive ejector pin component to move to the direction close to solid plate by holding part, stop part is fixedly installed on solid plate, only
Block piece can cooperate when ejector pin component moves to predeterminated position with holding part, to overcome the elastic force of elastic component to head into holding part
Accommodation groove, so that holding part and deduction are detached from.
Compared with the existing technology, injection mold described in the utility model has the advantage that
Injection mold described in the utility model, in cavity jacking structure structure it is simple, can be realized ejector pin component
The case where product is ejected, prevents product sticking to mould by the direction under the drive of moving template from solid plate towards moving template generation, ejection
Motion stabilization is reliable, practical, high yield rate.
Possessed advantage is identical compared with the existing technology with above-mentioned cavity jacking structure for the injection mold, herein no longer
It repeats.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.?
In attached drawing:
Fig. 1 is the structural schematic diagram of cavity jacking structure described in the utility model first embodiment；
Fig. 2 is the perspective view of the explosion of cavity jacking structure described in the utility model first embodiment；
Fig. 3 is that holding part passes through elastic component and thimble group in cavity jacking structure described in the utility model first embodiment
The structural schematic diagram of part connection；
Fig. 4 is that the explosion that stop part cooperates with deduction in cavity jacking structure described in the utility model first embodiment is shown
It is intended to；
Fig. 5 is the structural schematic diagram of ejector pin component in cavity jacking structure described in the utility model first embodiment；
Fig. 6 be described in the utility model first embodiment in cavity jacking structure holding part respectively with stop part and deduction
The perspective view of the explosion of cooperation；
Fig. 7 is the structural schematic diagram of injection mold described in the utility model second embodiment.
Description of symbols:
1- cavity jacking structure；2- ejector pin component；3- solid plate；4- moving template；5- deduction；6- stop part；7- elastic component；
8- holding part；9- locating part；The first mode of 10-；The second mode of 11-；12- accommodation groove；13- sliding groove；The face 14- needle plate；The bottom 15-
Needle plate；16- thimble ontology；17- stepped hole；18- step surface；19- fixed part；20- thimble portion；21- mating surface；22- catch surface；
23- supporting surface；24- reset surface；25- fixed plate；26- square iron；27- injection mold；28- dynamic model main body.
Specific embodiment
It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can
To be combined with each other.
The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
First embodiment
Incorporated by reference to referring to FIG. 1, FIG. 2 and FIG. 3, the utility model embodiment provides a kind of cavity jacking structure 1, is used for
Product is realized into the discharging of product from mold ejection after formed product.Its structure is simple, can be from preceding mould towards the direction of rear mold
The case where product is ejected, product sticking to mould is prevented generation, ejection motion stabilization is reliable, practical.
Cavity jacking structure 1 includes ejector pin component 2, solid plate 3, moving template 4, deduction 5, stop part 6, elastic component 7, clamping
Part 8 and locating part 9.Solid plate 3 is set between ejector pin component 2 and moving template 4, and moving template 4 can be close or far from cover half
Plate 3, to realize the movement of molding or die sinking.It is provided with the first mode 10 in solid plate 3, is provided with the second mould in moving template 4
Benevolence 11, when moving template 4 and the molding of solid plate 3, solid plate 3 is supported with moving template 4, the first mode 10 and the cooperation of the second mode 11
Shape forming cavity (not shown), is cooled into product after molten plastic filled-type chamber, and ejector pin component 2 is used to be located in die sinking the
Product ejection in one mode 10, to complete the movement of discharging, and generation the case where product sticking to mould can be prevented.
The side of ejector pin component 2 is provided with accommodation groove 12, and holding part 8 is connect by elastic component 7 with the bottom wall of accommodation groove 12,
Holding part 8 can stretch out or be retracted accommodation groove 12, and elastic component 7 is in compressive state always, and elastic component 7 can be to holding part 8
Apply elastic force, holding part 8 is ejected into accommodation groove 12.In the present embodiment, elastic component 7 is spring, it is not limited to this, elasticity
Part 7 or elastic rubber.
Deduction 5 is fixedly installed on moving template 4, and with 8 clamping of holding part, in die sinking, moving template 4 can be towards far from fixed
The direction of template 3 moves, to drive ejector pin component 2 to move to the direction close to solid plate 3 by holding part 8, in the process,
Ejector pin component 2 is slidably matched with the first mode 10, and the product in the first mode 10 is ejected.
Stop part 6 is fixedly installed on solid plate 3, stop part 6 can when ejector pin component 2 moves to predeterminated position with card
Gripping member 8 cooperates, to overcome the elastic force of elastic component 7 that holding part 8 is headed into accommodation groove 12, so that holding part 8 and deduction 5 are de-
From the ejection of ejector pin component 2 at this time, which acts, to be completed, and moving template 4 will not drive again ejector pin component 2 to move, in order to realize
It is subsequent to be opened and the ejection of product in the second mode 11 is acted.
In the present embodiment, locating part 9 is in U-shape, and locating part 9 is fixedly connected with solid plate 3, and combines formation with solid plate 3
Limit cavity (figure do not mark), deduction 5 being capable of position to deduction 5 and the directions of motion with limit cavity cooperation, limit cavity
It is limited, so that deduction 5 is merely able to move along the direction perpendicular to die joint, the direction of the movement of deduction 5 and die sinking
Direction is identical, drives deduction 5 to move convenient for moving template 4.
Incorporated by reference to referring to Fig. 4, Fig. 5 and Fig. 6, it is notable that deduction 5 offers sliding close to the side of moving template 4
Slot 13, stop part 6 can be slidably matched with sliding groove 13, to carry out guide and limit to deduction 5.Stop part 6 and locating part 9 are common
Effect, is further defined the direction of motion of deduction 5, guarantees that deduction 5 is merely able to occur along the direction perpendicular to die joint
Movement.
Ejector pin component 2 includes face needle plate 14, bottom needle plate 15 and thimble ontology 16.Face needle plate 14 is abutted with bottom needle plate 15, is held
It sets slot 12 to be opened on the side wall of bottom needle plate 15, thimble ontology 16 is installed in face needle plate 14, one end and bottom of thimble ontology 16
Needle plate 15 supports, and the other end protrudes into the first mode 10, and cooperates with the first mode 10, and face needle plate 14 and bottom needle plate 15 are made jointly
With the position of thimble ontology 16 is fixed.Holding part 8 is able to drive the movement of bottom needle plate 15, thus thimble ontology 16 and face
Needle plate 14 moves simultaneously, and thimble ontology 16 is used to eject the product in the first mode 10.
It should be noted that face needle plate 14 offers stepped hole 17, stepped hole 17 has a step surface 18.Thimble ontology 16
It is installed in stepped hole 17, side and the step surface 18 of thimble ontology 16 support, and the other side is supported with bottom needle plate 15, in face needle
It is fixed under the action of plate 14 and bottom needle plate 15.
Specifically, thimble ontology 16 includes integrally formed fixed part 19 and thimble portion 20.The cross-sectional area of fixed part 19
Greater than the cross-sectional area in thimble portion 20, one end and the bottom needle plate 15 of fixed part 19 are supported, and the other end is supported with step surface 18, thimble
Stepped hole 17 is stretched out in portion 20, and cooperates with the first mode 10.15 collective effect of face needle plate 14 and bottom needle plate, fixed part 19 is fixed
In in stepped hole 17, so that the position in thimble portion 20 be fixed.
Holding part 8 is relatively set with mating surface 21 and catch surface 22.Catch surface 22 is set to mating surface 21 far from face needle plate
14 side, catch surface 22 and the side wall of bottom needle plate 15 are mutually perpendicular to, and mating surface 21 and mating surface 21 are in default angle setting, card
Face 22 is held for supporting with deduction 5, to move under the drive of deduction 5, mating surface 21 is used to cooperate with stop part 6, with
It is headed into accommodation groove 12 under the action of stop part 6.Specifically, the range of angle is preset between 45 degree to 65 degree, so as to
In being slidably matched for mating surface 21 and stop part 6.In the present embodiment, default angle is 55 degree, it is not limited to this, presets folder
Angle can be 45 degree, or 65 degree, be not especially limited to the degree of default angle.
In the present embodiment, deduction 5 is relatively set with supporting surface 23 and reset surface 24.It is remote that reset surface 24 is set to supporting surface 23
Side from moving template 4, supporting surface 23 with catch surface 22 for supporting, to drive holding part 8 to transport to the direction close to solid plate 3
Dynamic, reset surface 24 is used to cooperate with mating surface 21, holding part 8 is headed into accommodation groove 12, convenient for the reset of deduction 5.
Please continue to refer to Fig. 2, it is notable that cavity jacking structure 1 further includes fixed plate 25, square iron 26 and reset bullet
Spring (not shown).Fixed plate 25 is set to side of the solid plate 3 far from moving template 4, and fixed plate 25 passes through square iron 26 and solid plate 3
It is fixedly connected, the height of square iron 26 thickness common greater than face needle plate 14 and bottom needle plate 15, entire ejector pin component 2 can be in fixation
It is moved between plate 25 and solid plate 3 along the direction perpendicular to die joint.Reset spring is set to face needle plate 14 and solid plate 3
Between, reset spring is in compressive state always, applies the elastic force far from 3 direction of solid plate with opposite needle plate 14, to drive
Entire ejector pin component 2 resets, so that bottom needle plate 15 is supported with fixed plate 25.
When producing product, moving template 4 and solid plate 3 are molded first, so that the first mode 10 and the second mode 11 close
Hold together to be formed the type chamber of sealing, in the process, deduction 5 passes through locating part 9, and supported with holding part 8, at this time reset surface 24 with match
Conjunction face 21 is slidably matched, and deduction 5 overcomes the elastic force of elastic component 7 to head into holding part 8 in accommodation groove 12, and the continuation of deduction 5 is transported forward
Dynamic, until deduction 5 is no longer supported with holding part 8, holding part 8 pop up accommodation groove 12 under the action of elastic component 7, supporting surface 23 and
Catch surface 22 supports；It is passed through molten plastic then to type is intracavitary, cooling and shaping form product after molten plastic fills entire type chamber；
Then die sinking movement is carried out, moving template 4 is moved towards the direction far from solid plate 3, and in the process, deduction 5 overcomes reset spring
Elastic force drive ejector pin component 2 to move towards the direction close to solid plate 3, thimble ontology 16 protrudes into the first mode 10, and by the
In one mode 10 product ejection, when ejector pin component 2 moves to predeterminated position, ejection work complete, at this time stop part 6 with match
Conjunction face 21 is slidably matched, and stop part 6 overcomes the elastic force of elastic component 7 to head into holding part 8 in accommodation groove 12, so that deduction 5 supports
Face 23 is held no longer to support with the catch surface 22 of holding part 8, deduction 5 is separated with holding part 8, deduction 5 under the drive of moving template 4 after
It is continuous to be moved towards the direction far from solid plate 3, it is detached from locating part 9 and stop part 6, at the same time, ejector pin component 2 is in reset spring
It is moved under effect to the direction far from solid plate 3, until bottom needle plate 15 is supported with fixed plate 25, stop part 6 and mating surface 21 are de-
From entire cavity jacking structure 1, which is realized, to be resetted.
Cavity jacking structure 1 described in the utility model embodiment, the side of ejector pin component 2 are provided with accommodation groove 12, card
Gripping member 8 is connect by elastic component 7 with the bottom wall of accommodation groove 12, and holding part 8 can stretch out or be retracted accommodation groove 12, and deduction 5 is solid
Dingan County loaded on moving template 4, and with 8 clamping of holding part, moving template 4 can be moved towards the direction far from solid plate 3, to pass through card
Gripping member 8 drives ejector pin component 2 to move to the direction close to solid plate 3, and stop part 6 is fixedly installed on solid plate 3, stop part 6
It can cooperate when ejector pin component 2 moves to predeterminated position with holding part 8, to overcome the elastic force of elastic component 7 to head into holding part 8
Accommodation groove 12, so that holding part 8 and deduction 5 are detached from.Compared with prior art, due to cover half top described in the utility model
Structure 1 uses the stop part 6 with the holding part 8 of 5 clamping of deduction and with the cooperation of holding part 8 out, so can be realized thimble
The case where product is ejected from solid plate 3 towards the direction of moving template 4 under the drive of moving template 4, prevent product sticking to mould by component 2 hair
Raw, ejection motion stabilization is reliable, practical.
Second embodiment
Fig. 7 is please referred to, the utility model embodiment provides a kind of injection mold 27, for producing plastic products.The note
Mould 27 includes cavity jacking structure 1 and dynamic model main body 28.Wherein, the basic structure of cavity jacking structure 1 and principle and production
Raw technical effect is identical with first embodiment, and to briefly describe, the present embodiment part does not refer to place, can refer to the first implementation
Corresponding contents in example.
In the present embodiment, dynamic model main body 28 is connect by screw with moving template 4, to drive moving template 4 close or separate
Solid plate 3, to complete molding or die sinking work.
The beneficial effect of injection mold 27 and the beneficial effect of first embodiment described in the utility model embodiment are identical,
Details are not described herein.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of cavity jacking structure, which is characterized in that including ejector pin component (2), solid plate (3), moving template (4), deduction
(5), stop part (6), elastic component (7) and holding part (8), the solid plate (3) are set to the ejector pin component (2) and described dynamic
Between template (4), the side of the ejector pin component (2) is provided with accommodation groove (12), and the holding part (8) passes through the elastic component
(7) it is connect with the bottom wall of the accommodation groove (12), the accommodation groove (12), institute can be stretched out or be retracted to the holding part (8)
Deduction (5) is stated to be fixedly installed on the moving template (4), and with the holding part (8) clamping, the moving template (4) being capable of court
Direction far from the solid plate (3) moves, to drive the ejector pin component (2) to close to described by the holding part (8)
The direction of solid plate (3) moves, and the stop part (6) is fixedly installed on the solid plate (3), and the stop part (6) can
Cooperate when the ejector pin component (2) moves to predeterminated position with the holding part (8), to overcome the bullet of the elastic component (7)
The holding part (8) is headed into the accommodation groove (12) by power, so that the holding part (8) and the deduction (5) are detached from.
2. cavity jacking structure according to claim 1, which is characterized in that the deduction (5) is close to the moving template (4)
Side offer sliding groove (13), the stop part (6) can be slidably matched with the sliding groove (13), to the deduction
(5) guide and limit is carried out.
3. cavity jacking structure according to claim 1, which is characterized in that the ejector pin component (2) includes face needle plate
(14), bottom needle plate (15) and thimble ontology (16), the face needle plate (14) abut with the bottom needle plate (15), the accommodation groove
(12) it is opened on the side wall of the bottom needle plate (15), is provided with the first mode (10) in the solid plate (3), the thimble sheet
Body (16) is installed in the face needle plate (14), and one end of the thimble ontology (16) is supported with the bottom needle plate (15), another
First mode (10) is protruded at end, and cooperates with first mode (10).
4. cavity jacking structure according to claim 3, which is characterized in that the holding part (8) is relatively set with cooperation
Face (21) and catch surface (22), the catch surface (22) are set to one of the mating surface (21) far from the face needle plate (14)
The side wall of side, the catch surface (22) and the bottom needle plate (15) is mutually perpendicular to, the mating surface (21) and the mating surface
(21) in default angle setting, for supporting with the deduction (5), the mating surface (21) is used for and institute the catch surface (22)
State stop part (6) cooperation.
5. cavity jacking structure according to claim 4, which is characterized in that the range of the default angle is at 45 degree to 65
Between degree.
6. cavity jacking structure according to claim 4, which is characterized in that the deduction (5) is relatively set with supporting surface
(23) and reset surface (24), the reset surface (24) are set to the side of the supporting surface (23) far from the moving template (4), institute
Supporting surface (23) are stated for supporting with the catch surface (22), the reset surface (24) is used to cooperate with the mating surface (21).
7. cavity jacking structure according to claim 3, which is characterized in that the face needle plate (14) offers stepped hole
(17), the stepped hole (17) has a step surface (18), and the thimble ontology (16) is installed in the stepped hole (17), and
It is supported with the step surface (18).
8. cavity jacking structure according to claim 7, which is characterized in that the thimble ontology (16) includes being integrally formed
Fixed part (19) and thimble portion (20), the cross-sectional area of the fixed part (19) be greater than the cross section of the thimble portion (20)
Product, one end of the fixed part (19) are supported with the bottom needle plate (15), and the other end is supported with the step surface (18), the top
The stepped hole (17) is stretched out in needle portion (20), and is cooperated with first mode (10).
9. cavity jacking structure according to claim 1, which is characterized in that the cavity jacking structure further includes locating part
(9), the locating part (9) is in U-shape, and the locating part (9) is fixedly connected with the solid plate (3), and with the solid plate (3)
Combination forms limit cavity, and the deduction (5) can cooperate with the limit cavity.
10. a kind of injection mold, which is characterized in that including cavity jacking structure as described in any one of claim 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821318444.XU CN208615227U (en) | 2018-08-15 | 2018-08-15 | A kind of cavity jacking structure and injection mold |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821318444.XU CN208615227U (en) | 2018-08-15 | 2018-08-15 | A kind of cavity jacking structure and injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673835A (en) * | 2018-08-15 | 2018-10-19 | 奥克斯空调股份有限公司 | A kind of cavity jacking structure and injection mold |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108673835A (en) * | 2018-08-15 | 2018-10-19 | 奥克斯空调股份有限公司 | A kind of cavity jacking structure and injection mold |
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