CN104985767B - A kind of and supporting Loose core block locking device of oil cylinder - Google Patents
A kind of and supporting Loose core block locking device of oil cylinder Download PDFInfo
- Publication number
- CN104985767B CN104985767B CN201510398345.1A CN201510398345A CN104985767B CN 104985767 B CN104985767 B CN 104985767B CN 201510398345 A CN201510398345 A CN 201510398345A CN 104985767 B CN104985767 B CN 104985767B
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- hole
- ejector sleeve
- push rod
- latch
- block
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- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of and supporting Loose core block locking device of oil cylinder, including guide pin bushing (1), ejector sleeve (2), latch (3), push rod (4), pulling block (5).The present invention is provided with delay hole and closing piece hole, pore using locked groove, ejector sleeve is provided with the guide hole of guide pin bushing, and push rod is provided with solution lock station, locking step；Using when, the present apparatus is supporting inside injection mold with oil cylinder, hydraulic oil cylinder driving push rod makes core pulling block reset to the left through pulling block drive ejector sleeve and Loose core block, now, the inner ring end of latch is located at the locking step of push rod, the outer ring end of latch it is protruding from the closing piece hole of ejector sleeve and snap in guide pin bushing locked groove in, ejector sleeve and Loose core block are locked；Hydraulic oil cylinder driving push rod moves right, and latch retraction closing piece hole, ejector sleeve and Loose core block are unlocked, and Loose core block is able to the technical scheme of core_pulling demoulding, the device generalization for making prevention Loose core block retract, and injection mold has been reached reduction body, the purpose of reduces cost.
Description
Technical field
The present invention relates to a kind of locking device, specifically refer to for the injection mould by hydraulic oil cylinder driving Loose core block core_pulling demoulding
Tool, prevents a kind of and supporting Loose core block locking device of oil cylinder that Loose core block retracts.
Background technology
Using the injection mold of hydraulic oil cylinder driving Loose core block core_pulling demoulding, powerful injection pressure promotes Loose core block to offset oil cylinder
Thrust inversely retract cause waste product；In order to prevent Loose core block from retracting, prior art is used for the device for preventing Loose core block from retracting, and has
Using setting special wedge locking device in injection mold, i.e. using the matched moulds or die sinking movement progress voussoir lock of mould
Fixed or unblock Loose core block；Also using double oil cylinder linkage devices, i.e. specially take charge of driving core pulling block reset by an oil cylinder and core pulling takes off
Mould, is specially taken charge of to insert by another oil cylinder and takes out voussoir for locking or unlocking Loose core block；Above two prevents the device that Loose core block retracts
Do not possess versatility, during practical application, must be different regarding the motion mode of the structure of injection-molded item or injection mold, which is adapted to
Plant using any；Additionally, the two using when be required to take larger mould inside space, cause mould body big, during work
The injection machine of big specification is needed, occupies the manufacture of mould and operating cost high；Therefore, prior art exist be difficult to general, body it is big,
The problems and shortcomings of high cost.
The content of the invention
For the problems and shortcomings that above-mentioned prior art is present, the present invention is using by guide pin bushing, ejector sleeve, latch, push rod, drawing
The device that block is constituted, wherein, locked groove is provided with the guide hole of guide pin bushing, ejector sleeve is provided with delay hole and closing piece hole, pore, and push rod is provided with solution
Lock station, locking step；Push rod is slid through in the pore of ejector sleeve, and latch is slidably disposed in the closing piece hole of ejector sleeve, and pulling block slides position
It is fixedly connected in the delay hole of ejector sleeve and with the left end of push rod, ejector sleeve is slidably disposed in the guide hole of guide pin bushing；Lock-out state, locking
The inner ring end of block be located at push rod locking step at, the outer ring end of latch is snapped in the locked groove of guide pin bushing, the left end of pulling block with it is described
Postpone the left side hole wall contact in hole；
Using when, the present apparatus and oil cylinder are supporting inside injection mold, wherein, the right-hand member of push rod and the piston of oil cylinder
Bar is fixedly connected, and the left end of guide pin bushing is fixedly connected with Loose core block, and guide pin bushing is fixedly connected with mould；
During work：Core pulling block reset, the piston rod driving push rod of oil cylinder drives ejector sleeve and Loose core block to be moved to the left through pulling block
Make core pulling block reset, now, the inner ring end of latch is located at the locking step of push rod, the closing piece of the outer ring end of latch from ejector sleeve
Hole is protruding and snaps in the locked groove of guide pin bushing, and ejector sleeve and Loose core block are locked；Loose core block core_pulling demoulding, the piston rod of oil cylinder drives
Dynamic push rod moves right, when pulling block moves right when being contacted with the right side hole wall for postponing hole in the delay hole of ejector sleeve, push rod
Solution lock station is moved at latch, and latch retraction closing piece hole, ejector sleeve and Loose core block are unlocked, and pulling block pulls ejector sleeve to continue with push rod
Move right the technical scheme for causing Loose core block to complete core_pulling demoulding, there is provided a kind of and the supporting Loose core block locking device of oil cylinder, purport
In the device generalization for making prevention Loose core block retract, and make, using the injection mold of hydraulic oil cylinder driving Loose core block core_pulling demoulding, to reach
Reduce body, the purpose of reduces cost.
The object of the present invention is achieved like this：It is a kind of with the supporting Loose core block locking device of oil cylinder, including guide pin bushing, push away
Pipe, latch, push rod, pulling block, wherein：Described guide pin bushing is the tubular steel components of hollow circuit cylinder, and the pore of guide pin bushing is referred to as leading
Hole, the hole wall of the guide hole is provided with the rectangular annular groove in cross section referred to as locked groove, between the cell wall and bottom land of the locked groove
It is provided with chamfer；
Described ejector sleeve is the steel components of cylinder, and the right side center of ejector sleeve is provided with circular step blind hole and is referred to as pipe
Hole；Be provided with the middle part of ejector sleeve through upper and lower through hole be referred to as postpone hole, the cross section in the delay hole it is rectangular and with the pipe
The left end in hole is orthogonal to be communicated；At the post jamb of ejector sleeve right part, being uniformly distributed along the circumference is provided with six rectangular openings communicated with the pore and claims
It is closing piece hole；
Described latch is the steel block member of arc ring shape, and the arc ring shape is a section intercepted on annulus, its
The diameter parallel of two lateral sections and the annulus；Latch corresponds to the cylindrical face of the annulus and is referred to as outer ring end, latch pair
The face of annulus inner circle is referred to as inner ring end described in Ying Yu；It is equipped with the outer ring end of latch, the left and right edges at inner ring end tiltedly
Surface chamfer；
Described push rod is cylinder step steel components left small and right large, and the small column step of push rod left part is referred to as unblock
Platform, the big cylinder table rank of push rod right part is referred to as locking step；Chamfer is provided between the solution lock station, locking step；
Described pulling block is the steel components of rectangular block shape, and the center of pulling block is provided with the circular hole for connecting；
Push rod is slid through in the pore of ejector sleeve, and six latch are slidably disposed in the closing piece hole of ejector sleeve, and pulling block is slided
Dynamic to be fixedly connected in the delay hole of ejector sleeve and with the left end of push rod, ejector sleeve is slidably disposed in the guide hole of guide pin bushing；
Lock-out state, the inner ring end of latch is located at the locking step of push rod, and the outer ring end of latch snaps in guide pin bushing
Locked groove in, the left end of pulling block is contacted with the left side hole wall in the delay hole.
Operation principle and beneficial effect
Using when, the present apparatus and oil cylinder are supporting inside injection mold, wherein, the right-hand member of push rod and the piston of oil cylinder
Bar is fixedly connected, and the left end of guide pin bushing is fixedly connected with Loose core block, and guide pin bushing is fixedly connected with mould.
During work：Core pulling block reset, the piston rod driving push rod of oil cylinder drives ejector sleeve and Loose core block to be moved to the left through pulling block
Make core pulling block reset, now, the inner ring end of latch is located at the locking step of push rod, the closing piece of the outer ring end of latch from ejector sleeve
Hole is protruding and snaps in the locked groove of guide pin bushing, and ejector sleeve and Loose core block are locked；Now, inversely exerted a force to the right by Loose core block, pushed away
Pipe will not be bounced back to the right by the effect of latch, and reverse power does not influence on oil cylinder；
Loose core block core_pulling demoulding, the piston rod driving push rod of oil cylinder moves right, when pulling block in the delay hole of ejector sleeve to
Move to right when being contacted with the right side hole wall for postponing hole, the solution lock station of push rod is moved at latch, latch retraction closing piece hole and institute
Locked groove separation is stated, ejector sleeve and Loose core block are unlocked, pulling block pulling ejector sleeve continues to move right and Loose core block is completed core pulling with push rod
The demoulding.
Present apparatus simple structure, reliable operation, it is adaptable to the injection mould of any use hydraulic oil cylinder driving Loose core block core_pulling demoulding
Tool, with the unitized feature of device for making prevention Loose core block retract, and makes injection mold reduce body, reduce cost.
Above-mentioned, the present invention uses the device being made up of guide pin bushing, ejector sleeve, latch, push rod, pulling block, wherein, the guide hole of guide pin bushing
Locked groove is inside provided with, ejector sleeve is provided with delay hole and closing piece hole, pore, and push rod is provided with solution lock station, locking step；Push rod slides through ejector sleeve
Pore in, latch is slidably disposed in the closing piece hole of ejector sleeve, pulling block be slidably disposed in ejector sleeve postpone hole in and with a left side for push rod
End is fixedly connected, and ejector sleeve is slidably disposed in the guide hole of guide pin bushing；Lock-out state, the inner ring end of latch is located at the locking step of push rod
Place, the outer ring end of latch is snapped in the locked groove of guide pin bushing, and the left end of pulling block is contacted with the left side hole wall in the delay hole；
Using when, the present apparatus and oil cylinder are supporting inside injection mold, wherein, the right-hand member of push rod and the piston of oil cylinder
Bar is fixedly connected, and the left end of guide pin bushing is fixedly connected with Loose core block, and guide pin bushing is fixedly connected with mould；
During work：Core pulling block reset, the piston rod driving push rod of oil cylinder drives ejector sleeve and Loose core block to be moved to the left through pulling block
Make core pulling block reset, now, the inner ring end of latch is located at the locking step of push rod, the closing piece of the outer ring end of latch from ejector sleeve
Hole is protruding and snaps in the locked groove of guide pin bushing, and ejector sleeve and Loose core block are locked；Loose core block core_pulling demoulding, the piston rod of oil cylinder drives
Dynamic push rod moves right, when pulling block moves right when being contacted with the right side hole wall for postponing hole in the delay hole of ejector sleeve, push rod
Solution lock station is moved at latch, and latch retraction closing piece hole, ejector sleeve and Loose core block are unlocked, and pulling block pulls ejector sleeve to continue with push rod
Move right the technical scheme for causing Loose core block to complete core_pulling demoulding, overcomes prior art and exists and is difficult to that general, body is big, cost
Problems and shortcomings high, a kind of supporting Loose core block locking device of the and oil cylinder that is provided, the device for making prevention Loose core block retract
Generalization, and make using the injection mold of hydraulic oil cylinder driving Loose core block core_pulling demoulding, reach reduction body, the mesh of reduces cost
's.
Brief description of the drawings
Fig. 1 is a kind of main view cross section structure diagram with the supporting Loose core block locking device of oil cylinder of the invention；
Fig. 2 is the axial decomposing schematic representation of Fig. 1；
Fig. 3 is a kind of exploded isometric schematic diagram with the supporting Loose core block locking device of oil cylinder of the invention；
Fig. 4 is a kind of right vertical view axonometric schematic diagram with the supporting Loose core block locking device of oil cylinder of the invention；
Fig. 5 is a kind of left vertical view axonometric schematic diagram with the supporting Loose core block locking device of oil cylinder of the invention；
Fig. 6 is the of the invention a kind of and supporting Loose core block locking device of oil cylinder, is operated in the principle of core_pulling demoulding tense
Schematic diagram；
Fig. 7 is the of the invention a kind of and supporting Loose core block locking device of oil cylinder, is operated in the locking tense of Loose core block 01
Principle schematic.
Embodiment in below in conjunction with the accompanying drawings is described in further detail to the present invention, but should not be construed as to of the invention
Any limitation.
In figure：Guide pin bushing 1, locked groove 11, ejector sleeve 2, delay hole 21, closing piece hole 22, pore 23, latch 3, push rod 4, solution lock station
41st, locking step 42, pulling block 5, Loose core block 01, oil cylinder 02, gasket ring 03.
Specific embodiment
It is of the invention a kind of with the supporting Loose core block locking device of oil cylinder refering to Fig. 1~Fig. 7, including guide pin bushing 1, ejector sleeve 2,
Latch 3, push rod 4, pulling block 5, wherein：Described guide pin bushing 1 is the tubular steel components of hollow circuit cylinder, and the pore of guide pin bushing 1 is referred to as
Guide hole, the hole wall of the guide hole is provided with the rectangular annular groove in cross section referred to as locked groove 11, the cell wall and groove of the locked groove 11
Chamfer is provided between bottom；
Described ejector sleeve 2 is the steel components of cylinder, and the right side center of ejector sleeve 2 is provided with circular step blind hole and is referred to as
Pore 23；The middle part of ejector sleeve 2 be provided with through upper and lower through hole be referred to as postpone hole 21, the cross section in the delay hole 21 it is rectangular and
It is orthogonal with the left end of the pore 23 to communicate；At the post jamb of the right part of ejector sleeve 2, it is uniformly distributed along the circumference and is provided with six with the phase of the pore 23
Logical rectangular opening is referred to as closing piece hole 22；
Described latch 3 is the steel block member of arc ring shape, and the arc ring shape is a section intercepted on annulus, its
The diameter parallel of two lateral sections and the annulus；Latch 3 corresponds to the cylindrical face of the annulus and is referred to as outer ring end, latch 3
Face corresponding to the annulus inner circle is referred to as inner ring end；It is equipped with the outer ring end of latch 3, the left and right edges at inner ring end
Chamfer；
Described push rod 4 is cylinder step steel components left small and right large, and the small column step of the left part of push rod 4 is referred to as solution
Lock station 41, the big cylinder table rank of the right part of push rod 4 is referred to as locking step 42；Inclined-plane is provided between the solution lock station 41, locking step 42 to fall
Angle；
Described pulling block 5 is the steel components of rectangular block shape, and the center of pulling block 5 is provided with the circular hole for connecting；
Push rod 4 is slid through in the pore 23 of ejector sleeve 2, and six latch 3 are slidably disposed in the closing piece hole 22 of ejector sleeve 2
Interior, pulling block 5 is slidably disposed in the delay hole 21 of ejector sleeve 2 and is fixedly connected with the left end of push rod 4, and ejector sleeve 2 is slidably disposed in leads
In the guide hole of set 1；Lock-out state, the inner ring end of latch 3 is located at the locking step 42 of push rod 4, latch 3
The outer ring end snap in the locked groove 11 of guide pin bushing 1, the left end of pulling block 5 is contacted with the left side hole wall in the delay hole 21.
Operation principle and beneficial effect
Using when, the present apparatus and oil cylinder 02 are supporting inside injection mold, wherein, right-hand member and the oil cylinder 02 of push rod 4
Piston rod be fixedly connected, the left end of guide pin bushing 1 is fixedly connected with Loose core block 01, and guide pin bushing 1 is fixedly connected with mould.
During work：Loose core block 01 resets, and the piston rod driving push rod 4 of oil cylinder 02 drives ejector sleeve 2 and Loose core block 01 through pulling block 5
Being moved to the left makes Loose core block 01 reset, and now, the inner ring end of latch 3 is located at the locking step 42 of push rod 4, outside latch 3
Circle end it is protruding from the closing piece hole 22 of ejector sleeve 2 and snap in guide pin bushing 1 locked groove 11 in, ejector sleeve 2 and Loose core block 01 are locked；This
When, being exerted a force by Loose core block 01 is reverse to the right, ejector sleeve 2 will not be bounced back to the right by the effect of latch 3, and reverse power does not have to oil cylinder 02
Influence；
The core_pulling demoulding of Loose core block 01, the piston rod driving push rod 4 of oil cylinder 02 moves right, when pulling block 5 is in the delay of ejector sleeve 2
Moved right in hole 21 when being contacted with the right side hole wall for postponing hole 21, the solution lock station 41 of push rod 4 is moved at latch 3, latch 3
Retraction closing piece hole 22 separates with the locked groove 11, and ejector sleeve 2 and Loose core block 01 are unlocked, and pulling block 5 pulls ejector sleeve 2 to continue with push rod 4
Moving right makes Loose core block 01 complete core_pulling demoulding.
Present apparatus simple structure, reliable operation, it is adaptable to the injection mould of any use hydraulic oil cylinder driving Loose core block core_pulling demoulding
Tool, with the unitized feature of device for making prevention Loose core block retract, and makes injection mold reduce body, reduce cost.
Claims (1)
1. a kind of and supporting Loose core block locking device of oil cylinder, including guide pin bushing (1), ejector sleeve (2), latch (3), push rod (4), drawing
Block (5), it is characterised in that：Described guide pin bushing (1) is the tubular steel components of hollow circuit cylinder, and the pore of guide pin bushing (1) is referred to as guide hole,
The hole wall of the guide hole is provided with the rectangular annular groove in cross section referred to as locked groove (11), the cell wall and bottom land of the locked groove (11)
Between be provided with chamfer；
Described ejector sleeve (2) is the steel components of cylinder, and the right side center of ejector sleeve (2) is provided with circular step blind hole and is referred to as
Pore (23)；To be provided be referred to as through upper and lower through hole in the middle part of ejector sleeve (2) and postpone hole (21), the cross section of the delay hole (21)
It is rectangular and orthogonal with the left end of the pore (23) communicate；At the post jamb of ejector sleeve (2) right part, be uniformly distributed along the circumference be provided with six with
The rectangular opening that the pore (23) communicates referred to as closing piece hole (22)；
Described latch (3) is the steel block member of arc ring shape, and the arc ring shape is a section intercepted on annulus, and it two
The diameter parallel of lateral section and the annulus；Latch (3) is referred to as outer ring end, latch corresponding to the cylindrical face of the annulus
(3) face corresponding to the annulus inner circle is referred to as inner ring end；At the outer ring end of latch (3), the left and right edges at inner ring end
It is equipped with chamfer；
Described push rod (4) is cylinder step steel components left small and right large, and the small column step of push rod (4) left part is referred to as solution
Lock station (41), the big cylinder table rank of push rod (4) right part is referred to as locking step (42)；Between solution lock station (41), locking step (42)
It is provided with chamfer；
Described pulling block (5) is the steel components of rectangular block shape, and the center of pulling block (5) is provided with the circular hole for connecting；
Push rod (4) is slid through in the pore (23) of ejector sleeve (2), and six latch (3) are slidably disposed in the closing piece of ejector sleeve (2)
In hole (22), pulling block (5) is slidably disposed in the delay hole (21) of ejector sleeve (2) and is fixedly connected with the left end of push rod (4), pushes away
Pipe (2) is slidably disposed in the guide hole of guide pin bushing (1)；Lock-out state, the inner ring end of latch (3) is located at push rod (4)
Locking step (42) place, the outer ring end of latch (3) is snapped in the locked groove (11) of guide pin bushing (1), the left end of pulling block (5) with
The left side hole wall contact of the delay hole (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510398345.1A CN104985767B (en) | 2015-06-29 | 2015-06-29 | A kind of and supporting Loose core block locking device of oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510398345.1A CN104985767B (en) | 2015-06-29 | 2015-06-29 | A kind of and supporting Loose core block locking device of oil cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104985767A CN104985767A (en) | 2015-10-21 |
| CN104985767B true CN104985767B (en) | 2017-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510398345.1A Active CN104985767B (en) | 2015-06-29 | 2015-06-29 | A kind of and supporting Loose core block locking device of oil cylinder |
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| Country | Link |
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| CN (1) | CN104985767B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002240075A (en) * | 2001-02-21 | 2002-08-28 | Denso Corp | Method and apparatus for molding resin |
| JP2002347085A (en) * | 2001-05-25 | 2002-12-04 | Citizen Electronics Co Ltd | Injection-molding mold |
| CN201669859U (en) * | 2010-05-10 | 2010-12-15 | 宁海茂盛模具有限公司 | Retraction-prevention device of injection mold oil cylinder loose core |
| CN203973960U (en) * | 2014-06-16 | 2014-12-03 | 宁波长华汽车装饰件有限公司 | A kind of sliding block core-pulling mechanism of the injection mold with self-locking structure |
| CN204340123U (en) * | 2014-12-23 | 2015-05-20 | 英杰精密模塑股份有限公司 | Prevent the core-pulling mechanism retreated of loosing core |
| CN204869508U (en) * | 2015-06-29 | 2015-12-16 | 宁波双林模具有限公司 | With supporting locking device of loosing core of hydro -cylinder |
-
2015
- 2015-06-29 CN CN201510398345.1A patent/CN104985767B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002240075A (en) * | 2001-02-21 | 2002-08-28 | Denso Corp | Method and apparatus for molding resin |
| JP2002347085A (en) * | 2001-05-25 | 2002-12-04 | Citizen Electronics Co Ltd | Injection-molding mold |
| CN201669859U (en) * | 2010-05-10 | 2010-12-15 | 宁海茂盛模具有限公司 | Retraction-prevention device of injection mold oil cylinder loose core |
| CN203973960U (en) * | 2014-06-16 | 2014-12-03 | 宁波长华汽车装饰件有限公司 | A kind of sliding block core-pulling mechanism of the injection mold with self-locking structure |
| CN204340123U (en) * | 2014-12-23 | 2015-05-20 | 英杰精密模塑股份有限公司 | Prevent the core-pulling mechanism retreated of loosing core |
| CN204869508U (en) * | 2015-06-29 | 2015-12-16 | 宁波双林模具有限公司 | With supporting locking device of loosing core of hydro -cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104985767A (en) | 2015-10-21 |
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