CN106738711A - A kind of lever-type ejection mechanism - Google Patents

A kind of lever-type ejection mechanism Download PDF

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Publication number
CN106738711A
CN106738711A CN201611055419.2A CN201611055419A CN106738711A CN 106738711 A CN106738711 A CN 106738711A CN 201611055419 A CN201611055419 A CN 201611055419A CN 106738711 A CN106738711 A CN 106738711A
Authority
CN
China
Prior art keywords
lever
core
mould
pulling pole
ejection 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.)
Pending
Application number
CN201611055419.2A
Other languages
Chinese (zh)
Inventor
刘俊麟
施志猛
李明
苗蓓蕾
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan Tongchang Automotive Electronic Lighting Co Ltd
Original Assignee
Wuhan Tongchang Automotive Electronic Lighting Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan Tongchang Automotive Electronic Lighting Co Ltd filed Critical Wuhan Tongchang Automotive Electronic Lighting Co Ltd
Priority to CN201611055419.2A priority Critical patent/CN106738711A/en
Publication of CN106738711A publication Critical patent/CN106738711A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/33Moulds having transversely, e.g. radially, movable mould parts

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

The present invention provides a kind of lever-type ejection mechanism, in matched moulds, is above embossed on lower mould and depresses release link, release link is depressed the first actuating arm, and be pressed on compression spring on base by the first actuating arm;First position limit arm is by the first core_pulling pole jack-up and Loose core block is fitted with workpiece;During die sinking, upper mould is opened up, and compression spring is released, and compression spring is by the upward jack-up of the first actuating arm, so that the first position limit arm is moved downward, the first core_pulling pole is moved down with the first position limit arm, so as to drive the first Loose core block to depart from workpiece, completes core_pulling demoulding.Thus, a kind of lever-type ejection mechanism of the invention, can conveniently realize the stripping operation of workpiece, and simple structure is easy to operate.

Description

A kind of lever-type ejection mechanism
Technical field
The present invention relates to a kind of lever-type ejection mechanism, belong to injection molding technical field.
Background technology
In injection molding field, there is the mechanism of various core_pulling demouldings in the prior art, but for specific The construction of product and specific mold structure, core-drawing demoulding mechanism can not be general, it is necessary to suitable according to actual situation design Mould emptier, to complete the stripping operation of workpiece.If core-drawing demoulding mechanism design is not ingenious enough, not only complex structure, into This is higher, and operation difficulty is larger, is unfavorable for the raising of processing efficiency.
A kind of workpiece of injection molding as shown in Figure 1, direction shown in arrow is the stripping direction of workpiece in Fig. 1, but Spatially there is core-drawing hole at two, the axis of core-drawing hole is not parallel with stripping direction, with certain angle, in workpiece along demoulding side During to movement, the core portion in core-drawing hole can stop the workpiece demoulding.In order to solve this problem, it is necessary to using Drawing-Core de- Mold mechanism, while workpiece is along the stripping direction demoulding, core-pulling mechanism drives Loose core block to depart from core-drawing hole.But, prior art In core-pulling mechanism it is although varied, can adapt to but and completely the structure of this product, and core-pulling mechanism knot of the prior art Structure is complicated, operation inconvenience, causes injection efficiency relatively low.
The content of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of lever-type ejection mechanism, energy The stripping operation of workpiece is enough conveniently realized, simple structure is easy to operate.
In order to achieve the above objects and other related objects, the present invention provides a kind of lever-type ejection mechanism, using following skill Art scheme:A kind of lever-type ejection mechanism, including upper die and lower die, the upper mould are provided with located at lower mould top, the lower mould One base, base is provided with first rotating shaft, and the first lever is connected with first rotating shaft, and first turn is connected in the middle part of the first lever On axle, the first lever is respectively arranged at two ends with the first actuating arm and the first position limit arm, and the lower end of the first actuating arm is provided with compression bullet Spring, the lower end of compression spring is pressed on base, and the upper end of compression spring is against the bottom of the first actuating arm;Also set on the lower mould The upper end for having release link and the first core_pulling pole, release link is connected to the bottom of mould, and the lower end of release link is pressed in described first and drives On swing arm;The upper end of the first core_pulling pole is connected with the first Loose core block, and the lower end of the first core_pulling pole is pressed on the first position limit arm.
Preferably, the second rotating shaft is additionally provided with the base, the second lever is connected with the second rotating shaft, in the second lever Portion is connected in the second rotating shaft, and the two ends of the second lever are respectively the second actuating arm and the second position limit arm, the bottom of the second actuating arm Portion is pressed in the compression spring;The lower end of the release link is against at the top of second actuating arm;Is additionally provided with the lower mould Two core_pulling poles, the upper end of the second core_pulling pole is connected with the second Loose core block, and the lower end of the second core_pulling pole is pressed on the second position limit arm.
Preferably, second core_pulling pole is parallel to the first core_pulling pole.
Preferably, second lever and the first lever are symmetrically arranged at the axis both sides of release link.
Preferably, the upper end of the release link is connected to the bottom of mould.
Preferably, first lever, the first actuating arm, the second actuating arm are the integrative-structure for taking the shape of the letter U.
Preferably, it is provided with the first pilot hole in the lower mould, first core_pulling pole is in the first pilot hole and with the One pilot hole is slidably matched.
Preferably, the lower end of first core_pulling pole is provided with the first contiguous block, and the bottom surface of the first contiguous block is spacing with first Arm offsets;The first auxiliary stage clip is provided between the bottom surface of the top surface of the first contiguous block and upper mould.
Preferably, multiple first is provided between the bottom surface of the top surface of contiguous block and upper mould and aids in stage clip, first auxiliary The diameter parallel of the axis of stage clip and the first core_pulling pole.
Further, the axis of the release link is parallel with the opening direction of upper mould, the axis of first core_pulling pole with With angle it is acute angle between the axis of release link.
As described above, a kind of lever-type ejection mechanism of the invention, has the advantages that:A kind of lever of the invention Formula mould emptier is embossed on lower mould in matched moulds, above and depresses release link, release link is depressed the first actuating arm, and first Be pressed on compression spring on base by actuating arm;First position limit arm is by the first core_pulling pole jack-up and Loose core block is fitted with workpiece; During die sinking, upper mould is opened up, and compression spring is released, and compression spring is by the upward jack-up of the first actuating arm, so that first limits Position arm is moved downward, and the first core_pulling pole is moved down with the first position limit arm, so as to drive the first Loose core block to depart from workpiece, completes to take out The core demoulding.Thus, a kind of lever-type ejection mechanism of the invention, can conveniently realize the stripping operation of workpiece, simple structure, It is easy to operate.
Brief description of the drawings
Fig. 1 shows the structural representation of workpiece.
Fig. 2 is shown as a kind of schematic perspective view of lever core-pulling mechanism of the invention, and upper die and lower die do not show.
Fig. 3 is shown as a kind of front view of lever core-pulling mechanism of the invention, and upper die and lower die part shows.
Fig. 4 is shown as a kind of left view of lever core-pulling mechanism of the invention, and upper die and lower die part shows.
Piece mark explanation
The pilot hole of 1 workpiece 15 first
The Loose core block of 2 core-drawing hole 16 first
The contiguous block of mould 17 first on 3
4 times mould 18 first aids in stage clip
The core-pulling mechanism of 5 base 19 second
The rotating shaft of 6 compression spring 20 second
The lever of 7 release link 21 second
The actuating arm of 8 reset guide hole 22 second
The position limit arm of 9 first core-pulling mechanism 23 second
The core_pulling pole of 10 first rotating shaft 24 second
The pilot hole of 11 first lever 25 second
The Loose core block of 12 first actuating arm 26 second
The contiguous block of 13 first position limit arm 27 second
14 first core_pulling pole 28 second aids in stage clip
Specific embodiment
Embodiments of the present invention are illustrated below by way of specific instantiation, those skilled in the art can be by this specification Disclosed content understands other advantages of the invention and effect easily.The present invention can also be by specific realities different in addition The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints with application, without departing from Various modifications or alterations are carried out under spirit of the invention.
Fig. 2, Fig. 3 and Fig. 4 are refer to, the present invention provides a kind of lever-type ejection mechanism, including upper mould 3 and lower mould 4, described Upper mould 3 is provided with a base 5 located at the top of lower mould 4, the lower mould 4, and base 5 is provided with first rotating shaft 10, in first rotating shaft 10 The first lever 11 is connected with, the middle part of the first lever 11 is connected in first rotating shaft 10, the first lever 11 is respectively arranged at two ends with First actuating arm 12 and the first position limit arm 13, the lower end of the first actuating arm 12 are provided with compression spring 6, the lower side pressure of compression spring 6 On base 5, the upper end of compression spring 6 is against the bottom of the first actuating arm 12;Release link 7 and are additionally provided with the lower mould 4 One core_pulling pole 14, the upper end of release link 7 is connected to the bottom of mould 3, and the lower end of release link 7 is pressed in first actuating arm 12 On;The upper end of the first core_pulling pole 14 is connected with the first Loose core block 16, and the lower end of the first core_pulling pole 14 is pressed on the first position limit arm 13. In matched moulds, upper mould 3 is pressed on lower mould 4 and depresses release link 7 a kind of lever-type ejection mechanism of the invention, makes release link 7 First actuating arm 12 is depressed, be pressed on compression spring 6 on base 5 by the first actuating arm 12;First position limit arm 13 is taken out first The jack-up of core bar 14 simultaneously makes Loose core block be fitted with workpiece 1;When needing die sinking to take out workpiece 1, upper mould 3 is opened up, compression spring 6 It is released, compression spring 6 is by the upward jack-up of the first actuating arm 12, so that the first position limit arm 13 is moved downward, the first core_pulling pole 14 move down with the first position limit arm 13, so as to drive the first Loose core block 16 to depart from workpiece 1, complete core_pulling demoulding.Thus, this hair A kind of bright lever-type ejection mechanism, can conveniently realize the stripping operation of workpiece 1, and simple structure is easy to operate.
In a kind of lever-type ejection mechanism of the invention described above, as shown in figure 3, first rotating shaft 10, the first lever 11, pressure The parts such as contracting spring 6, the first core_pulling pole 14, the first Loose core block 16 link together and constitute the first core-pulling mechanism 9, and it is right to realize One workpiece 1 carries out core_pulling demoulding operation.In order to improve the production efficiency of injection-molded work 1, two can be set on mould 4 once The die cavity of individual injection-molded work 1, each die cavity injection one workpiece 1 of manufacture, is additionally provided with the second rotating shaft 20 on the base 5, the The second lever 21 is connected with two rotating shafts 20, the middle part of the second lever 21 is connected in the second rotating shaft 20, the two of the second lever 21 End is respectively the second actuating arm 22 and the second position limit arm 23, and the bottom of the second actuating arm 22 is pressed in the compression spring 6;Second The top of actuating arm 22 is against the lower end of the release link 7;The second core_pulling pole 24, the second core_pulling pole are additionally provided with the lower mould 4 24 upper end is connected with the second Loose core block 26, and the lower end of the second core_pulling pole 24 is pressed on the second position limit arm 23, and above-mentioned each part connects The second core-pulling mechanism 19 of the composition that is connected together.So, the first Loose core block 16 and the second Loose core block 26 are respectively used to be molded a workpiece 1, in die sinking, upper mould 3 is upwardly opened, and release link 7 unclamps compression spring 6, and compression spring 6 is driven the first of the first lever 11 Second actuating arm 22 of the lever 21 of swing arm 12 and second is while upward jack-up, the first position limit arm 13 of the first lever 11 and the second thick stick Second position limit arm 23 of bar 21 will be moved down simultaneously, and the first core_pulling pole 14 and the second core_pulling pole 24 will respectively drive first The Loose core block 26 of Loose core block 16 and second departs from two workpiece 1 simultaneously.So, two workpiece can be produced in a stripping operation 1, it is possible to increase production efficiency.In order that the close look at the swing of the first core-pulling mechanism 9 and the second core-pulling mechanism 19, the first core pulling The core-pulling mechanism 19 of mechanism 9 and second is symmetrically arranged at the both sides of release link 7, and the second core_pulling pole 24 is parallel to the first core_pulling pole 14, the second lever 21 and the first lever 11 are symmetrically arranged at the axis both sides of release link 7.Accordingly, those skilled in the art work as So can with the like ground with the die cavity that more injection-molded works 1 are set on once mould 4, and more core-pulling mechanisms are with same When manufacture more workpiece 1.
For the ease of workpiece 1 is taken out from lower mould 4, as shown in figure 4, the unlatching of the axis of the release link 7 and upper mould 3 Direction is parallel, with angle is acute angle between the axis of first core_pulling pole 14 and the axis of release link 7, the unlatching of upper mould 3 Afterwards, the first position limit arm 13 of the first lever 11 is moved downward, and the first core_pulling pole 14 is moved axially downwards along it and drives Loose core block Depart from workpiece 1.When upper mould 3 is upwardly opened, release link 7 is moved up and unclamps compression spring 6, it is preferable that release link 7 it is upper End is connected to the bottom of mould 3.In order that the structure and reasonable stress of the first lever 11, it is preferable that first lever 11, One actuating arm 12, the second actuating arm 22 are the integrative-structure for taking the shape of the letter U.So, the first lever 11, the first actuating arm 12, first are limited Position arm 13 can be manufactured with overall processing, and structure is relatively simple, and intensity is higher, and certainly, the second lever 21 can be used and the first thick stick The structure identical form of bar 11.
In a kind of lever-type ejection mechanism of the invention, the first core_pulling pole 14 is moved along its axis and drives the first core pulling Block 16 is moved, and the axial direction of the first core_pulling pole 14 is set according to specific actual conditions, in order to ensure the first core_pulling pole 14 Can swimmingly move along its axis, it is preferable that as shown in Figure 3 and Figure 4, the first pilot hole 15, institute are provided with the lower mould 4 The first core_pulling pole 14 is stated to be slidably matched in the first pilot hole 15 and with the first pilot hole 15.It is, of course, also possible in lower mould 4 Second pilot hole 25 is set, and the second core_pulling pole 24 is slidably matched in the second pilot hole 25 and with the second pilot hole 25. When upper mould 3 is opened, release link 7 is moved axially upward along its, in order to ensure that release link 7 can be moved along its axis swimmingly, As shown in figure 3, reset guide hole 8 can be set on lower mould 4, release link 7 in reset guide hole 8 and with reset guide hole 8 are slidably matched.After the unlatching of upper mould 3, compression spring 6 is released and by the upward jack-up of the first actuating arm 12 of the first lever 11 So that the first position limit arm 13 is moved downward, the first core_pulling pole 14 is moved down and drives the first Loose core block 16 to depart from workpiece 1, by Contraction can be produced in being molded when liquid solidifies, is mutually adjacent between workpiece 1 and Loose core block, it may be necessary to which larger is applied to Loose core block Power could be separated.Therefore, as a preferred mode, as shown in Figure 3 and Figure 4, the lower end of first core_pulling pole 14 is provided with First contiguous block 17, the bottom surface of the first contiguous block 17 offsets with the first position limit arm 13 and can be with the relative slip of the first position limit arm 13; The first auxiliary stage clip 18 is provided between the top surface of the first contiguous block 17 and the bottom surface of upper mould 3, the first auxiliary stage clip 18 connects first Connect block 17 to push down on, so as to increase by 14 pairs of active forces of the first Loose core block 16 of the first core_pulling pole, enable the first Loose core block 16 More easily depart from workpiece 1.Multiple first can be set between the bottom surface of the top surface of contiguous block and upper mould 3 and aids in stage clip 18, The axis of the first auxiliary stage clip 18 and the diameter parallel of the first core_pulling pole 14.It is, of course, also possible in the second core_pulling pole 24 Lower end is provided with the second contiguous block 27, and the bottom surface of the second contiguous block 27 offsets with the second position limit arm 23 and can be with the phase of the second position limit arm 23 To sliding;The second auxiliary stage clip 28 is provided between the top surface of the second contiguous block 27 and the bottom surface of upper mould 3, to reach above-mentioned purpose.
A kind of technical scheme based on above-described embodiment, lever-type ejection mechanism of the invention, can conveniently realize work The stripping operation of part 1, simple structure is easy to operate.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe The personage for knowing this technology all can carry out modifications and changes under without prejudice to spirit and scope of the invention to above-described embodiment.Cause This, those of ordinary skill in the art is complete with institute under technological thought without departing from disclosed spirit such as Into all equivalent modifications or change, should be covered by claim of the invention.

Claims (10)

1. a kind of lever-type ejection mechanism, including upper mould (3) and lower mould (4), the upper mould (3) is located at lower mould (4) top, and it is special Levying is:
The lower mould (4) is provided with a base (5), and base (5) is provided with first rotating shaft (10), and first rotating shaft is connected with (10) First lever (11), is connected in first rotating shaft (10) in the middle part of the first lever (11), and the two ends of the first lever (11) set respectively The lower end for having the first actuating arm (12) and the first position limit arm (13), the first actuating arm (12) is provided with compression spring (6), compression spring (6) lower end is pressed on base (5), and the upper end of compression spring (6) is against the bottom of the first actuating arm (12);
Release link (7) and the first core_pulling pole (14) are additionally provided with the lower mould (4), the upper end of release link (7) is connected to mould (3) Bottom, the lower end of release link (7) is pressed on first actuating arm (12);The upper end of the first core_pulling pole (14) is connected with first Loose core block (16), the lower end of the first core_pulling pole (14) is pressed on the first position limit arm (13).
2. lever-type ejection mechanism as claimed in claim 1, it is characterized in that:The second rotating shaft is additionally provided with the base (5) (20) the second lever (21), is connected with the second rotating shaft (20), is connected in the middle part of the second lever (21) in the second rotating shaft (20), The two ends of the second lever (21) are respectively the second actuating arm (22) and the second position limit arm (23), the bottom pressure of the second actuating arm (22) In the compression spring (6);The lower end of the release link (7) is against at the top of second actuating arm (22);
The second core_pulling pole (24) is additionally provided with the lower mould (4), the upper end of the second core_pulling pole (24) is connected with the second Loose core block (26), the lower end of the second core_pulling pole (24) is pressed on the second position limit arm (23).
3. lever-type ejection mechanism as claimed in claim 1, it is characterized in that:Second core_pulling pole (24) is taken out parallel to first Core bar (14).
4. lever-type ejection mechanism as claimed in claim 1, it is characterized in that:Second lever (21) and the first lever (11) It is symmetrically arranged at the axis both sides of release link (7).
5. lever-type ejection mechanism as claimed in claim 1, it is characterized in that:The upper end of the release link (7) is connected to mould (3) bottom.
6. lever-type ejection mechanism as claimed in claim 1, it is characterized in that:First lever (11), the first actuating arm (12), the second actuating arm (22) is the integrative-structure for taking the shape of the letter U.
7. lever-type ejection mechanism as claimed in claim 1, it is characterized in that:The first pilot hole is provided with the lower mould (4) (15), first core_pulling pole (14) is slidably matched in the first pilot hole (15) and with the first pilot hole (15).
8. lever-type ejection mechanism as claimed in claim 1, it is characterized in that:The lower end of first core_pulling pole (14) is provided with One contiguous block (17), bottom surface and first position limit arm (13) of the first contiguous block (17) offset;The top surface of the first contiguous block (17) with The first auxiliary stage clip (18) is provided between the bottom surface of upper mould (3).
9. lever-type ejection mechanism as claimed in claim 8, it is characterized in that:The bottom surface of the top surface of contiguous block and upper mould (3) it Between be provided with multiple first and aid in stage clip (18), the axis of first auxiliary stage clip (18) is flat with the axis of the first core_pulling pole (14) OK.
10. lever-type ejection mechanism as claimed in claim 1, it is characterized in that:The axis of the release link (7) and upper mould (3) Opening direction it is parallel, with angle be acute angle between the axis of first core_pulling pole (14) and the axis of release link (7).
CN201611055419.2A 2016-11-25 2016-11-25 A kind of lever-type ejection mechanism Pending CN106738711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611055419.2A CN106738711A (en) 2016-11-25 2016-11-25 A kind of lever-type ejection mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611055419.2A CN106738711A (en) 2016-11-25 2016-11-25 A kind of lever-type ejection mechanism

Publications (1)

Publication Number Publication Date
CN106738711A true CN106738711A (en) 2017-05-31

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CN201611055419.2A Pending CN106738711A (en) 2016-11-25 2016-11-25 A kind of lever-type ejection mechanism

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6342825A (en) * 1986-08-08 1988-02-24 Nippon Plast Co Ltd Mold device for molding hole of product
JP2001341174A (en) * 2000-06-02 2001-12-11 Nissan Motor Co Ltd Method and apparatus for adjusting two-stage push timing in injection mold
CN201095171Y (en) * 2007-09-28 2008-08-06 富港电子(东莞)有限公司 Side loose core stripper apparatus
CN201437274U (en) * 2009-04-09 2010-04-14 黄岩星泰塑料模具有限公司 Lever clamping mechanism used for large-angle internal core-pulling of plastic mold
CN202006567U (en) * 2011-03-24 2011-10-12 唯科(厦门)精密塑胶模具有限公司 Core-pulling mechanism capable of withdrawing core first
CN104002435A (en) * 2014-05-28 2014-08-27 厦门捷信达模具塑胶有限公司 Inner side core-pulling mechanism of lever
CN204773311U (en) * 2015-06-15 2015-11-18 台州新立模塑科技股份有限公司 Injection mold lever locking mechanism that resets of loosing core to one side
CN206528020U (en) * 2016-11-25 2017-09-29 武汉通畅汽车电子照明有限公司 A kind of lever-type ejection mechanism

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6342825A (en) * 1986-08-08 1988-02-24 Nippon Plast Co Ltd Mold device for molding hole of product
JP2001341174A (en) * 2000-06-02 2001-12-11 Nissan Motor Co Ltd Method and apparatus for adjusting two-stage push timing in injection mold
CN201095171Y (en) * 2007-09-28 2008-08-06 富港电子(东莞)有限公司 Side loose core stripper apparatus
CN201437274U (en) * 2009-04-09 2010-04-14 黄岩星泰塑料模具有限公司 Lever clamping mechanism used for large-angle internal core-pulling of plastic mold
CN202006567U (en) * 2011-03-24 2011-10-12 唯科(厦门)精密塑胶模具有限公司 Core-pulling mechanism capable of withdrawing core first
CN104002435A (en) * 2014-05-28 2014-08-27 厦门捷信达模具塑胶有限公司 Inner side core-pulling mechanism of lever
CN204773311U (en) * 2015-06-15 2015-11-18 台州新立模塑科技股份有限公司 Injection mold lever locking mechanism that resets of loosing core to one side
CN206528020U (en) * 2016-11-25 2017-09-29 武汉通畅汽车电子照明有限公司 A kind of lever-type ejection mechanism

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Application publication date: 20170531