CN104985767A - Core-pulling-block locking device matched with oil cylinder - Google Patents
Core-pulling-block locking device matched with oil cylinder Download PDFInfo
- Publication number
- CN104985767A CN104985767A CN201510398345.1A CN201510398345A CN104985767A CN 104985767 A CN104985767 A CN 104985767A CN 201510398345 A CN201510398345 A CN 201510398345A CN 104985767 A CN104985767 A CN 104985767A
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- Prior art keywords
- block
- hole
- push rod
- core
- ejector sleeve
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Classifications
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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 core-pulling-block locking device matched with an oil cylinder. The core-pulling-block locking device comprises a guide sleeve (1), a push tube (2), a locking block (3), a push rod (4) and a pull block (5). According to the core-pulling-block locking device in the technical scheme, a locking groove is formed in a guide hole of the guide sleeve, a delay hole, a locking block hole and a tube hole are formed in the push tube, and an unlocking table and a locking table are arranged on the push rod; when applied, the core-pulling-block locking device is matched with the oil cylinder to be installed inside an injection mold, and the oil cylinder drives the push rod to drive the push tube and a core pulling block through the pull block to leftwards move to reset the core pull block; at the moment, the inner ring end of the locking block is located at the locking table of the push rod, the outer ring end of the locking block outwards extends from the locking block hole of the push tube and is clamped into the locking groove of the guide sleeve, and the push tube and the core pulling block are locked; the oil cylinder drives the push rod to rightwards move, the locking block is contracted into the locking block hole, the push tube and the core pulling block are unlocked, and the core pulling block can carry out core pulling releasing, so that a device for preventing the core pulling block from backwards moving is universalized, and the aims that the size of the injection mold is reduced, and the cost of the injection mold is reduced are achieved.
Description
Technical field
The present invention relates to a kind of locking device, specifically refer to the injection mold for block core_pulling demoulding of being loosed core by hydraulic oil cylinder driving, the block locking device of loosing core that a kind of of block rollback that prevent from loosing core is supporting with oil cylinder.
Background technology
Adopt hydraulic oil cylinder driving to loose core the injection mold of block core_pulling demoulding, the powerful injection pressure reverse rollback of thrust that block offsets oil cylinder that promotes to loose core causes waste product; In order to stop block rollback of loosing core, prior art, for stoping the device of block rollback of loosing core, has to adopt in injection mold, arranges special wedge locking device, that is, utilize the matched moulds of mould or die sinking movement progress wedge locking or unblock to loose core block; Also have and adopt two oil cylinder linkage device, that is, specially take charge of driving by an oil cylinder and to loose core block reset and core_pulling demoulding, specially taken charge of to insert by another oil cylinder and take out voussoir for locking or unlock block of loosing core; The loose core device of block rollback of above-mentioned two kinds of preventions does not all possess versatility, during practical application, must look the structure of injection-molded item or the motion mode of injection mold and different, be applicable to any employing any; In addition, all need to take larger mould inside space during the two application, cause mould body large, need the injection machine of large gauge during work, the manufacture of mould and operating cost are occupied high; Therefore, prior art existence is difficult to general, that body is large, cost is high problems and shortcomings.
Summary of the invention
For above-mentioned prior art Problems existing with not enough, the present invention adopts the device be made up of guide pin bushing, ejector sleeve, latch, push rod, pulling block, wherein, is provided with locked groove in the guide hole of guide pin bushing, ejector sleeve is provided with and postpones hole and lock dog hole, pore, and push rod is provided with separates lock station, locking step; Push rod slides through in the pore of ejector sleeve, and latch slides and is positioned at the lock dog hole of ejector sleeve, and pulling block slip is positioned at the delay hole of ejector sleeve and is fixedly connected with the left end of push rod, and ejector sleeve slides and is positioned at the guide hole of guide pin bushing; Lock-out state, the inner ring end of latch is positioned at the locking step place of push rod, and the outer ring end of latch snaps in the locked groove of guide pin bushing, and the left end of pulling block contacts with the left side hole wall in described delay hole;
During application, this device is arranged on injection mold inside with oil cylinder is supporting, and wherein, the right-hand member of push rod is fixedly connected with the piston rod of oil cylinder, and the left end of guide pin bushing is fixedly connected with block of loosing core, and guide pin bushing is fixedly connected with mould;
During work: block reset of loosing core, the piston rod of oil cylinder drives push rod to drive ejector sleeve and block of loosing core to be moved to the left through pulling block and makes block reset of loosing core, now, the inner ring end of latch is positioned at the locking step place of push rod, the outer ring end of latch is protruding and snap in the locked groove of guide pin bushing from the lock dog hole of ejector sleeve, and ejector sleeve and block of loosing core are locked, to loose core block core_pulling demoulding, the piston rod of oil cylinder drives push rod to move right, when pulling block moves right to when contacting with the right side hole wall postponing hole in the delay hole of ejector sleeve, the solution lock station of push rod moves to latch place, latch retraction lock dog hole, ejector sleeve and block of loosing core are unlocked, pulling block pulls ejector sleeve to continue to move right with push rod and cause the technical scheme that block of loosing core completes core_pulling demoulding, a kind of loose core block locking device supporting with oil cylinder is provided, be intended to make prevention to loose core the device generalization of block rollback, and employing hydraulic oil cylinder driving is loosed core the injection mold of block core_pulling demoulding, reach reduction body, the object reduced costs.
The object of the present invention is achieved like this: a kind of loose core block locking device supporting with oil cylinder, comprise guide pin bushing, ejector sleeve, latch, push rod, pulling block, wherein: described guide pin bushing is the tubular steel components of hollow circuit cylinder, the pore of guide pin bushing is called guide hole, the annular groove that the hole wall of described guide hole is provided with cross section rectangular is called locked groove, is provided with chamfer between the cell wall of described locked groove and bottom land;
Described ejector sleeve is columniform steel components, and the center, right side of ejector sleeve is provided with circular step blind hole and is called pore; The middle part of ejector sleeve is provided with to be run through upper and lower through hole and is called and postpones hole, and the cross section in described delay hole is rectangular and orthogonally with the left end of described pore communicate; The post jamb place of ejector sleeve right part, being uniformly distributed along the circumference is provided with six rectangular openings communicated with described pore and is called lock dog hole;
Described latch is the steel block member of arc ring shape, and described arc ring shape is one section that intercepts on annulus, the diameter parallel of its two lateral section and described annulus; The face that latch corresponds to described annulus cylindrical is called outer ring end, and the face that latch corresponds to described annulus inner circle is called inner ring end; Master looks, and the described outer ring end of latch, the left and right edges place of inner ring end are equipped with 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 called solution lock station, and the big column step of push rod right part is called locking step; Chamfer is provided with between described 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 slides through in the described pore of ejector sleeve, and six latch slide and are positioned at the lock dog hole of ejector sleeve, and pulling block slip is positioned at the described delay hole of ejector sleeve and is fixedly connected with the left end of push rod, and ejector sleeve slides and is positioned at the described guide hole of guide pin bushing; Lock-out state, the described inner ring end of latch is positioned at the described locking step place of push rod, and the described outer ring end of latch snaps in the locked groove of guide pin bushing, and the left end of pulling block contacts with the left side hole wall in described delay hole.
Operation principle and beneficial effect
During application, this device is arranged on injection mold inside with oil cylinder is supporting, and wherein, the right-hand member of push rod is fixedly connected with the piston rod of oil cylinder, and the left end of guide pin bushing is fixedly connected with block of loosing core, and guide pin bushing is fixedly connected with mould.
During work: block reset of loosing core, the piston rod of oil cylinder drives push rod to drive ejector sleeve and block of loosing core to be moved to the left through pulling block and makes block reset of loosing core, now, the inner ring end of latch is positioned at the locking step place of push rod, the outer ring end of latch is protruding and snap in the locked groove of guide pin bushing from the lock dog hole of ejector sleeve, and ejector sleeve and block of loosing core are locked; Now, by block reverse force to the right of loosing core, ejector sleeve can not bounce back to the right by the effect of latch, and reverse power does not affect oil cylinder;
To loose core block core_pulling demoulding, the piston rod of oil cylinder drives push rod to move right, when pulling block moves right to when contacting with the right side hole wall postponing hole in the delay hole of ejector sleeve, the solution lock station of push rod moves to latch place, latch retraction lock dog hole is separated with described locked groove, ejector sleeve and block of loosing core are unlocked, and pulling block pulls ejector sleeve to complete core_pulling demoulding with push rod continue the to move right block that makes to loose core.
This apparatus structure is simple, reliable operation, is applicable to any employing hydraulic oil cylinder driving and looses core the injection mold of block core_pulling demoulding, has and prevention is loosed core the unitized feature of device of block rollback, and make injection mold reduce body, reduce cost.
Above-mentioned, the present invention adopts the device be made up of guide pin bushing, ejector sleeve, latch, push rod, pulling block, wherein, is provided with locked groove in the guide hole of guide pin bushing, and ejector sleeve is provided with and postpones hole and lock dog hole, pore, and push rod is provided with separates lock station, locking step; Push rod slides through in the pore of ejector sleeve, and latch slides and is positioned at the lock dog hole of ejector sleeve, and pulling block slip is positioned at the delay hole of ejector sleeve and is fixedly connected with the left end of push rod, and ejector sleeve slides and is positioned at the guide hole of guide pin bushing; Lock-out state, the inner ring end of latch is positioned at the locking step place of push rod, and the outer ring end of latch snaps in the locked groove of guide pin bushing, and the left end of pulling block contacts with the left side hole wall in described delay hole;
During application, this device is arranged on injection mold inside with oil cylinder is supporting, and wherein, the right-hand member of push rod is fixedly connected with the piston rod of oil cylinder, and the left end of guide pin bushing is fixedly connected with block of loosing core, and guide pin bushing is fixedly connected with mould;
During work: block reset of loosing core, the piston rod of oil cylinder drives push rod to drive ejector sleeve and block of loosing core to be moved to the left through pulling block and makes block reset of loosing core, now, the inner ring end of latch is positioned at the locking step place of push rod, the outer ring end of latch is protruding and snap in the locked groove of guide pin bushing from the lock dog hole of ejector sleeve, and ejector sleeve and block of loosing core are locked, to loose core block core_pulling demoulding, the piston rod of oil cylinder drives push rod to move right, when pulling block moves right to when contacting with the right side hole wall postponing hole in the delay hole of ejector sleeve, the solution lock station of push rod moves to latch place, latch retraction lock dog hole, ejector sleeve and block of loosing core are unlocked, pulling block pulls ejector sleeve to continue to move right with push rod and cause the technical scheme that block of loosing core completes core_pulling demoulding, overcoming prior art existence is difficult to general, body is large, the problems and shortcomings that cost is high, what a kind of and oil cylinder provided was supporting loose core block locking device, prevention is loosed core the device generalization of block rollback, and employing hydraulic oil cylinder driving is loosed core the injection mold of block core_pulling demoulding, reach reduction body, the object reduced costs.
Accompanying drawing explanation
Fig. 1 is that the master of a kind of loose core block locking device supporting with oil cylinder of the present invention looks sectional structure schematic diagram;
Fig. 2 is the axial decomposing schematic representation of Fig. 1;
Fig. 3 is that the axle of a kind of loose core block locking device supporting with oil cylinder of the present invention surveys decomposing schematic representation;
Fig. 4 is that the right side of a kind of loose core block locking device supporting with oil cylinder of the present invention is overlooked axle and measured intention;
Fig. 5 is that a left side for a kind of loose core block locking device supporting with oil cylinder of the present invention is overlooked axle and measured intention;
Fig. 6 is a kind of loose core block locking device supporting with oil cylinder of the present invention, is operated in the principle schematic of core_pulling demoulding tense;
Fig. 7 is a kind of loose core block locking device supporting with oil cylinder of the present invention, is operated in the principle schematic locking block 01 tense of loosing core.
Below in conjunction with the embodiment in accompanying drawing, the present invention is described in further detail, but should not be construed as any limitation of the invention.
In figure: guide pin bushing 1, locked groove 11, ejector sleeve 2, delay hole 21, lock dog hole 22, pore 23, latch 3, push rod 4, solution lock station 41, locking step 42, pulling block 5, block 01 of loosing core, oil cylinder 02, gasket ring 03.
Detailed description of the invention
Consult Fig. 1 ~ Fig. 7, a kind of loose core block locking device supporting with oil cylinder of the present invention, comprise 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, the pore of guide pin bushing 1 is called guide hole, the hole wall of described guide hole is provided with the rectangular annular groove of cross section and is called locked groove 11, is provided with chamfer between the cell wall of described locked groove 11 and bottom land;
Described ejector sleeve 2 is columniform steel components, and the center, right side of ejector sleeve 2 is provided with circular step blind hole and is called pore 23; The middle part of ejector sleeve 2 is provided with to be run through upper and lower through hole and is called and postpones hole 21, and the cross section in described delay hole 21 is rectangular and orthogonally with the left end of described pore 23 communicate; The post jamb place of ejector sleeve 2 right part, being uniformly distributed along the circumference is provided with six rectangular openings communicated with described pore 23 and is called lock dog hole 22;
Described latch 3 is the steel block member of arc ring shape, and described arc ring shape is one section that intercepts on annulus, the diameter parallel of its two lateral section and described annulus; The face that latch 3 corresponds to described annulus cylindrical is called outer ring end, and the face that latch 3 corresponds to described annulus inner circle is called inner ring end; Master looks, and the described outer ring end of latch 3, the left and right edges place of inner ring end are 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 called separates lock station 41, and the big column step of push rod 4 right part is called locking step 42; Chamfer is provided with between described solution lock station 41, locking step 42;
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 slides through in the described pore 23 of ejector sleeve 2, six latch 3 slide and are positioned at the lock dog hole 22 of ejector sleeve 2, pulling block 5 slip is positioned at the described delay hole 21 of ejector sleeve 2 and is fixedly connected with the left end of push rod 4, and ejector sleeve 2 slides and is positioned at the described guide hole of guide pin bushing 1; Lock-out state, the described inner ring end of latch 3 is positioned at described locking step 42 place of push rod 4, and the described outer ring end of latch 3 snaps in the locked groove 11 of guide pin bushing 1, and the left end of pulling block 5 contacts with the left side hole wall in described delay hole 21.
Operation principle and beneficial effect
During application, this device is arranged on injection mold inside with oil cylinder 02 is supporting, and wherein, the right-hand member of push rod 4 is fixedly connected with the piston rod of oil cylinder 02, and the left end of guide pin bushing 1 is fixedly connected with block 01 of loosing core, and guide pin bushing 1 is fixedly connected with mould.
During work: block 01 of loosing core resets, the piston rod of oil cylinder 02 drives push rod 4 to drive ejector sleeve 2 and block 01 of loosing core to be moved to the left to make block 01 of loosing core to reset through pulling block 5, now, the inner ring end of latch 3 is positioned at locking step 42 place of push rod 4, the outer ring end of latch 3 is protruding and snap in the locked groove 11 of guide pin bushing 1 from the lock dog hole 22 of ejector sleeve 2, and ejector sleeve 2 and block 01 of loosing core are locked; Now, by block 01 reverse force to the right of loosing core, ejector sleeve 2 can not bounce back to the right by the effect of latch 3, and reverse power is on oil cylinder 02 not impact;
To loose core block 01 core_pulling demoulding, the piston rod of oil cylinder 02 drives push rod 4 to move right, when pulling block 5 moves right to when contacting with the right side hole wall postponing hole 21 in the delay hole 21 of ejector sleeve 2, the solution lock station 41 of push rod 4 moves to latch 3 place, latch 3 lock dog hole 22 of retracting is separated with described locked groove 11, ejector sleeve 2 and block 01 of loosing core are unlocked, and pulling block 5 pulls ejector sleeve 2 to complete core_pulling demoulding with push rod 4 continue the to move right block 01 that makes to loose core.
This apparatus structure is simple, reliable operation, is applicable to any employing hydraulic oil cylinder driving and looses core the injection mold of block core_pulling demoulding, has and prevention is loosed core the unitized feature of device of block rollback, and make injection mold reduce body, reduce cost.
Claims (1)
1. loose core a block locking device supporting with oil cylinder, comprise guide pin bushing (1), ejector sleeve (2), latch (3), push rod (4), pulling block (5), it is characterized in that: described guide pin bushing (1) is the tubular steel components of hollow circuit cylinder, the pore of guide pin bushing (1) is called guide hole, the hole wall of described guide hole is provided with the rectangular annular groove of cross section and is called locked groove (11), is provided with chamfer between the cell wall of described locked groove (11) and bottom land;
Described ejector sleeve (2) is columniform steel components, and the center, right side of ejector sleeve (2) is provided with circular step blind hole and is called pore (23); The middle part of ejector sleeve (2) is provided with to be run through upper and lower through hole and is called and postpones hole (21), and the cross section of described delay hole (21) is rectangular and orthogonally with the left end of described pore (23) communicate; The post jamb place of ejector sleeve (2) right part, being uniformly distributed along the circumference is provided with six rectangular openings communicated with described pore (23) and is called lock dog hole (22);
The steel block member that described latch (3) is arc ring shape, described arc ring shape is one section that intercepts on annulus, the diameter parallel of its two lateral section and described annulus; Latch (3) is called outer ring end corresponding to the face of described annulus cylindrical, and latch (3) is called inner ring end corresponding to the face of described annulus inner circle; Master looks, and the described outer ring end of latch (3), the left and right edges place of inner ring end are equipped with chamfer;
Described push rod (4) is cylinder step steel components left small and right large, the small column step of push rod (4) left part is called separates lock station (41), and the big column step of push rod (4) right part is called locking step (42); Described solution lock station (41), locking step are provided with chamfer between (42);
The steel components that described pulling block (5) is rectangular block shape, the center of pulling block (5) is provided with the circular hole for connecting;
Push rod (4) slides through in the described pore (23) of ejector sleeve (2), six latch (3) slips are positioned at the lock dog hole (22) of ejector sleeve (2), pulling block (5) slip is positioned at the described delay hole (21) of ejector sleeve (2) and is fixedly connected with the left end of push rod (4), and ejector sleeve (2) slides and is positioned at the described guide hole of guide pin bushing (1); Lock-out state, the described inner ring end of latch (3) is positioned at described locking step (42) place of push rod (4), the described outer ring end of latch (3) snaps in the locked groove (11) of guide pin bushing (1), and the left end of pulling block (5) contacts with the left side hole wall of described 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 true CN104985767A (en) | 2015-10-21 |
| CN104985767B 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 |
|---|---|
| CN104985767B (en) | 2017-06-16 |
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