CN103753780B - A kind of injection mold self-locking break-in core-pulling device - Google Patents
A kind of injection mold self-locking break-in core-pulling device Download PDFInfo
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- CN103753780B CN103753780B CN201410044096.1A CN201410044096A CN103753780B CN 103753780 B CN103753780 B CN 103753780B CN 201410044096 A CN201410044096 A CN 201410044096A CN 103753780 B CN103753780 B CN 103753780B
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- Prior art keywords
- slider wedge
- self
- locking
- wedge
- eaves
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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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C2045/445—Removing or ejecting moulded articles for undercut articles using the movable undercut forming element for ejection of the moulded article
Abstract
The invention discloses a kind of injection mold self-locking break-in core-pulling device, comprise initiatively slider wedge (1), driven slider wedge (2), self-locking block (3), oil cylinder (4).The present invention adopts the device be made up of above-mentioned component, self-locking block is fixedly installed in the T-shaped chute of active slider wedge, be provided with lock face below self-locking block and import inclined-plane, on the T-shaped slide rail of driven slider wedge, locking platform is set, described lock face and described locking platform corresponding matching, during matched moulds, the technical scheme that driven slider wedge is locked by self-locking block by active slider wedge, overcome prior art and there is complex structure, efficiency is low, fault rate is high, the problems and shortcomings that cost is high, make the break-in core-pulling device of injection mold, reach simplification structure, reduce costs, improve demoulding efficiency, reduce the object of fault.
Description
Technical field
The present invention relates to a kind of core_pulling demoulding device of injection mold, specifically refer to a kind of injection mold self-locking break-in core-pulling device carrying out break-in core_pulling demoulding for injection molding mould fixed die.
Background technology
In injection mold, the direction of force is called break-in core-pulling device with the mutual oblique of the moving direction of block of loosing core or orthogonal device, the wedge block that break-in core-pulling device fastens through the slip of inclined-plane grooved rail by two pieces is usually formed, the active wedge slide block of break-in core-pulling device is connected with the piston rod of oil cylinder, and driven wedge block is connected with block of loosing core, during injection mold work, block of loosing core is by powerful injection moulding power effect, the piston rod rollback of oil cylinder oppositely can be promoted through break-in core-pulling device, goods are caused to be scrapped, for this reason, need to arrange locking device in addition to stop rollback to break-in core-pulling device, prior art adopts the non-return locking device setting up oil cylinder and non-return slide block formation, when break-in core-pulling device resets, driven wedge block is locked, when core_pulling demoulding, first extract non-return slide block out to restart break-in core-pulling device and to loose core block, so, cause mould structure complicated, core_pulling demoulding inefficiency, and fault rate increases, the manufacturing cost of mould and production maintenance cost increase, therefore, there is complex structure in prior art, efficiency is low, fault rate is high, the problems and shortcomings that cost is high.
Summary of the invention
For above-mentioned prior art Problems existing with not enough, the present invention adopts the device be made up of active slider wedge, driven slider wedge, self-locking block, oil cylinder, wherein, initiatively the lower inclined plane place of slider wedge is provided with T-shaped chute, the ramp place of driven slider wedge is provided with T-shaped slide rail, the step being provided with inclination above of T-shaped slide rail is called locking platform, is provided with lock face and imports inclined-plane below self-locking block; Self-locking block is fixedly connected in active slider wedge, faces down and protrude from the bottom land of described T-shaped chute under self-locking block; Spacing above the groove eaves of described T-shaped chute and between bottom land is called between groove; Spacing below the rail eaves of described T-shaped slide rail and between the flange of rail is called rail neck; Described groove eaves is equal with rail eaves thickness, equal with rail neck height between described groove, and be highly greater than described rail eaves thickness between described groove, the gap of the two is called the distance that lags; Initiatively slider wedge and driven slider wedge are slided by T-shaped chute and T-shaped slide rail and fasten orthogonal connection, matched moulds tense, described lock face and the described locking platform place being slidably supported on driven slider wedge of self-locking block, stop driven slider wedge upwards rollback, driven slider wedge is locked by self-locking block, described in lag apart between below described rail eaves and above groove eaves; Initiatively the left end of slider wedge is connected with the piston rod of oil cylinder, and the lower end of driven slider wedge is connected with block of loosing core, and the cylinder body of oil cylinder is fixedly connected with cover half; During core_pulling demoulding, oil cylinder pulls initiatively slider wedge to be moved to the left, due to the existence of the distance that lags, first driven slider wedge is static, and the described lock face of self-locking block is skidded off by the described locking platform of driven slider wedge left, and driven slider wedge unlocks, afterwards, along with being moved to the left of active slider wedge, below described rail eaves with groove eaves above contact hook, initiatively slider wedge drives block of loosing core to move up core_pulling demoulding through driven slider wedge; During reset, oil cylinder pushing initiatively slider wedge moves right, initiatively slider wedge drives block of loosing core to reset downwards through driven slider wedge, described lock face is imported the described locking platform place of driven slider wedge by the described importing inclined-plane of self-locking block, by the technical scheme of driven slider wedge reset locking, a kind of injection mold self-locking break-in core-pulling device is provided, is intended to the break-in core-pulling device making injection mold, reach the object simplifying structure, reduce costs, improve demoulding efficiency, reduce fault.
The object of the present invention is achieved like this: a kind of injection mold self-locking break-in core-pulling device, comprise initiatively slider wedge, driven slider wedge, self-locking block, oil cylinder, wherein: described active slider wedge be below and be provided with the block steel components of wedge shape on the 22 ° ~ 30 ° of inclined-planes that are inclined upwardly from left to right between the right side, the inclined-plane place of active slider wedge is provided with cross section groove in T shape and is called T-shaped chute, the notch of described T-shaped chute is along being called groove eaves, and the spacing above described groove eaves and between bottom land is called between groove;
Described driven slider wedge is provided with the block steel components of wedge shape on identical inclined-plane corresponding to active slider wedge 1 above being, the inclined-plane place of driven slider wedge is provided with cross section track in T shape and is called T-shaped slide rail, the upper end flange of described T-shaped slide rail is called rail eaves, and the spacing below described rail eaves and between the flange of rail is called rail neck; Be provided with acclivitous step from left to right above described T-shaped slide rail and be called locking platform, the angle of described locking platform and imaginary horizontal plane is 3 ° ~ 5 °;
Described groove eaves is equal with described rail eaves thickness, and equal with described rail neck height between described groove, be highly greater than described rail eaves thickness between described groove, the gap between described groove and between described both rail eaves is called the distance that lags;
Described self-locking block is the steel components of rectangular block shape, be provided with below self-locking block and be called lock face with the corresponding identical inclined-plane of described locking platform of driven slider wedge, be provided with the intermediate incline of 45 ° ~ 55 ° of being inclined upwardly from left to right between the right part of described lock face and the right flank of self-locking block and be called importing inclined-plane;
Described oil cylinder is the hydraulically extensible executive component be made up of cylinder body and piston rod;
Self-locking block is fixedly connected in active slider wedge along the vertical direction, faces down and protrude from the bottom land of described T-shaped chute under self-locking block; Initiatively slider wedge and driven slider wedge are slided by T-shaped chute and T-shaped slide rail and fasten orthogonal connection, matched moulds tense, the described lock face of self-locking block stops driven slider wedge upwards rollback at the described locking platform place of driven slider wedge with sliding to conflict, driven slider wedge is locked by self-locking block, described in lag apart between below described rail eaves and above groove eaves; Initiatively the left end of slider wedge is connected with the piston rod of oil cylinder, and the lower end of driven slider wedge is connected with block of loosing core, and the cylinder body of oil cylinder is fixedly connected with cover half.
Operation principle and beneficial effect
During core_pulling demoulding, oil cylinder pulls initiatively slider wedge to be moved to the left, due to the existence of the distance that lags, first, driven slider wedge is static, the described lock face of self-locking block is skidded off by the described locking platform of driven slider wedge left, driven slider wedge unlocks, afterwards, along with being moved to the left of active slider wedge, contact with the hook above of groove eaves below described rail eaves, initiatively slider wedge to move up core_pulling demoulding through driven slider wedge drive block of loosing core;
During reset, oil cylinder pushing initiatively slider wedge moves right, and initiatively slider wedge drives block of loosing core to reset downwards through driven slider wedge, and described lock face is imported the described locking platform place of driven slider wedge, by driven slider wedge reset locking by the described importing inclined-plane of self-locking block.
This apparatus structure is simple, and reliable operation, makes the break-in core-pulling device of injection mold, simplify the structure, reduces cost, improves demoulding efficiency, decreases Breakdown Maintenance.
Above-mentioned, the present invention adopts the device be made up of active slider wedge, driven slider wedge, self-locking block, oil cylinder, wherein, initiatively the lower inclined plane place of slider wedge is provided with T-shaped chute, the ramp place of driven slider wedge is provided with T-shaped slide rail, the step being provided with inclination above of T-shaped slide rail is called locking platform, is provided with lock face and imports inclined-plane below self-locking block, self-locking block is fixedly connected in active slider wedge, faces down and protrude from the bottom land of described T-shaped chute under self-locking block, spacing above the groove eaves of described T-shaped chute and between bottom land is called between groove, spacing below the rail eaves of described T-shaped slide rail and between the flange of rail is called rail neck, described groove eaves is equal with rail eaves thickness, equal with rail neck height between described groove, and be highly greater than described rail eaves thickness between described groove, the gap of the two is called the distance that lags, initiatively slider wedge and driven slider wedge are slided by T-shaped chute and T-shaped slide rail and fasten orthogonal connection, matched moulds tense, described lock face and the described locking platform place being slidably supported on driven slider wedge of self-locking block, stop driven slider wedge upwards rollback, driven slider wedge is locked by self-locking block, described in lag apart between below described rail eaves and above groove eaves, initiatively the left end of slider wedge is connected with the piston rod of oil cylinder, and the lower end of driven slider wedge is connected with block of loosing core, and the cylinder body of oil cylinder is fixedly connected with cover half, during core_pulling demoulding, oil cylinder pulls initiatively slider wedge to be moved to the left, due to the existence of the distance that lags, first driven slider wedge is static, and the described lock face of self-locking block is skidded off by the described locking platform of driven slider wedge left, and driven slider wedge unlocks, afterwards, along with being moved to the left of active slider wedge, below described rail eaves with groove eaves above contact hook, initiatively slider wedge drives block of loosing core to move up core_pulling demoulding through driven slider wedge, during reset, oil cylinder pushing initiatively slider wedge moves right, initiatively slider wedge drives block of loosing core to reset downwards through driven slider wedge, described lock face is imported the described locking platform place of driven slider wedge by the described importing inclined-plane of self-locking block, by the technical scheme of driven slider wedge reset locking, overcome prior art and there is complex structure, efficiency is low, fault rate is high, the problems and shortcomings that cost is high, a kind of injection mold self-locking break-in core-pulling device provided, make the break-in core-pulling device of injection mold, reach simplification structure, reduce costs, improve demoulding efficiency, reduce the object of fault.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of injection mold self-locking break-in core-pulling device of the present invention;
Fig. 2 is the extraction enlarged drawing in A portion in Fig. 1;
Fig. 3 is a kind of injection mold self-locking break-in core-pulling device of the present invention, is operated in the principle schematic that driven slider wedge 2 unlocks tense;
Fig. 4 is the extraction enlarged drawing in B portion in Fig. 3;
Fig. 5 is a kind of injection mold self-locking break-in core-pulling device of the present invention, is operated in initiatively slider wedge 1 and drives block 02 of loosing core to move up the principle schematic of core_pulling demoulding tense through driven slider wedge 2.
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: initiatively between slider wedge 1, T-shaped chute 11, groove eaves 12, groove 13, driven slider wedge 2, T-shaped slide rail 21, rail eaves 22, rail neck 23, locking platform 24, self-locking block 3, lock face 31, import inclined-plane 32, oil cylinder 4, lag apart from 01, block 02 of loosing core.
Detailed description of the invention
Consult Fig. 1 ~ Fig. 5, a kind of injection mold self-locking break-in core-pulling device of the present invention, comprise initiatively slider wedge 1, driven slider wedge 2, self-locking block 3, oil cylinder 4, wherein: described active slider wedge 1 is below and is provided with the block steel components of wedge shape on the 22 ° ~ 30 ° of inclined-planes that are inclined upwardly from left to right between the right side, the inclined-plane place of active slider wedge 1 is provided with cross section groove in T shape and is called T-shaped chute 11, the notch of described T-shaped chute 11 is along being called groove eaves 12, and the spacing of described groove eaves 12 above and between bottom land to be called between groove 13;
Described driven slider wedge 2 is the block steel components of wedge shape being provided with identical inclined-plane corresponding to active slider wedge 1 above, the inclined-plane place of driven slider wedge 2 is provided with cross section track in T shape and is called T-shaped slide rail 21, the upper end flange of described T-shaped slide rail 21 is called rail eaves 22, and the spacing of described rail eaves 22 below and between the flange of rail is called rail neck 23; Be provided with acclivitous step from left to right above described T-shaped slide rail 21 and be called locking platform 24, described locking platform 24 is 3 ° ~ 5 ° with the angle of imaginary horizontal plane;
Described groove eaves 12 is equal with described rail eaves 22 thickness, and between described groove, 13 is highly equal with described rail neck 23, and between described groove, 13 are highly greater than described rail eaves 22 thickness, and the gap between described groove between 13 and described both rail eaves 22 is called the distance 01 that lags;
Described self-locking block 3 is the steel components of rectangular block shape, be provided with below self-locking block 3 and be called lock face 31 with the corresponding identical inclined-plane of described locking platform 24 of driven slider wedge 2, be provided with the intermediate incline of 45 ° ~ 55 ° of being inclined upwardly from left to right between the right part of described lock face 31 and the right flank of self-locking block 3 and be called and import inclined-plane 32;
Described oil cylinder 4 is the hydraulically extensible executive component be made up of cylinder body and piston rod;
Self-locking block 3 is fixedly connected in active slider wedge 1 along the vertical direction, and self-locking block faces down for 3 times and protrudes from the bottom land of described T-shaped chute 11; Initiatively slider wedge 1 and driven slider wedge 2 are slided by T-shaped chute 11 and T-shaped slide rail 21 and fasten orthogonal connection, matched moulds tense, the described lock face 31 of self-locking block 3 stops driven slider wedge 2 upwards rollback at described locking platform 24 place of driven slider wedge 2 with sliding to conflict, driven slider wedge 2 is locked by self-locking block 3, described in lag apart from 01 below described rail eaves 22 and above groove eaves 12 between; Initiatively the left end of slider wedge 1 is connected with the piston rod of oil cylinder 4, and the lower end of driven slider wedge 2 is connected with block 02 of loosing core, and the cylinder body of oil cylinder 4 is fixedly connected with cover half.
Operation principle and beneficial effect
During core_pulling demoulding, oil cylinder 4 pulls initiatively slider wedge 1 to be moved to the left, due to the existence of the distance 01 that lags, first, driven slider wedge 2 is static, the described lock face 31 of self-locking block 3 is skidded off by the described locking platform 24 of driven slider wedge 2 left, driven slider wedge 2 unlocks, afterwards, along with being moved to the left of active slider wedge 1, contact with the hook above of groove eaves 12 below described rail eaves 22, initiatively slider wedge 1 to move up core_pulling demoulding through driven slider wedge 2 drive block 02 of loosing core;
During reset, oil cylinder 4 promotes initiatively slider wedge 1 and moves right, initiatively slider wedge 1 drives block 02 of loosing core to reset downwards through driven slider wedge 2, and described lock face 31 is imported described locking platform 24 place of driven slider wedge 2 by the described importing inclined-plane 32 of self-locking block 3, by driven slider wedge 2 reset locking.
This apparatus structure is simple, and reliable operation, makes the break-in core-pulling device of injection mold, simplify the structure, reduces cost, improves demoulding efficiency, decreases Breakdown Maintenance.
Claims (1)
1. an injection mold self-locking break-in core-pulling device, comprise initiatively slider wedge (1), driven slider wedge (2), self-locking block (3), oil cylinder (4), it is characterized in that: described active slider wedge (1) is below and is provided with the block steel components of wedge shape on the 22 ° ~ 30 ° of inclined-planes that are inclined upwardly from left to right between the right side, the inclined-plane place of active slider wedge (1) is provided with cross section groove in T shape and is called T-shaped chute (11), the notch of described T-shaped chute (11) is along being called groove eaves (12), the spacing of described groove eaves (12) above and between bottom land is called (13) between groove,
Described driven slider wedge (2) is be provided with steel components block with the wedge shape on the corresponding identical inclined-plane of active slider wedge (1) above, the inclined-plane place of driven slider wedge (2) is provided with cross section track in T shape and is called T-shaped slide rail (21), the upper end flange of described T-shaped slide rail (21) is called rail eaves (22), and the spacing of described rail eaves (22) below and between the flange of rail is called rail neck (23); Be provided with acclivitous step from left to right above described T-shaped slide rail (21) and be called locking platform (24), described locking platform (24) is 3 ° ~ 5 ° with the angle of imaginary horizontal plane;
Described groove eaves (12) is equal with described rail eaves (22) thickness, between described groove, (13) are highly equal with described rail neck (23), between described groove, (13) are highly greater than described rail eaves (22) thickness, and between described groove, (13) and described rail eaves (22) gap between the two is called and lags apart from (01);
The steel components that described self-locking block (3) is rectangular block shape, be provided with below self-locking block (3) and be called lock face (31) with the described corresponding identical inclined-plane of locking platform (24) of driven slider wedge (2), be provided with the intermediate incline of 45 ° ~ 55 ° of being inclined upwardly from left to right between the right part of described lock face (31) and the right flank of self-locking block (3) and be called and import inclined-plane (32);
Described oil cylinder (4) is the hydraulically extensible executive component be made up of cylinder body and piston rod;
Self-locking block (3) is fixedly connected in active slider wedge (1) along the vertical direction, faces down and protrude from the bottom land of described T-shaped chute (11) under self-locking block (3); Initiatively slider wedge (1) and driven slider wedge (2) are slided by T-shaped chute (11) and T-shaped slide rail (21) and fasten orthogonal connection, matched moulds tense, the described lock face (31) of self-locking block (3) slides and conflicts at described locking platform (24) place of driven slider wedge (2), to stop driven slider wedge (2) upwards rollback, driven slider wedge (2) by self-locking block (3) locking, described in lag apart from (01) be positioned at described rail eaves (22) below and groove eaves (12) above between; Initiatively the left end of slider wedge (1) is connected with the piston rod of oil cylinder (4), and the lower end of driven slider wedge (2) is connected with block of loosing core (02), and the cylinder body of oil cylinder (4) is fixedly connected with cover half.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410044096.1A CN103753780B (en) | 2014-01-23 | 2014-01-23 | A kind of injection mold self-locking break-in core-pulling device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410044096.1A CN103753780B (en) | 2014-01-23 | 2014-01-23 | A kind of injection mold self-locking break-in core-pulling device |
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| CN103753780A CN103753780A (en) | 2014-04-30 |
| CN103753780B true CN103753780B (en) | 2016-01-06 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105196487B (en) * | 2014-06-25 | 2019-03-12 | 群达模具(深圳)有限公司 | The self-locking method of self-locking structure, front mold core-pulling mold and front mold core-pulling mold |
| CN106626277A (en) * | 2017-02-21 | 2017-05-10 | 太仓科益精密模塑股份有限公司 | Self-locking core pulling structure |
| CN108015990B (en) * | 2017-12-05 | 2023-12-15 | 浙江赛豪实业有限公司 | Core pulling mechanism in mold |
| CN108656477A (en) * | 2018-07-24 | 2018-10-16 | 宁波瑞元模塑有限公司 | The retreating prevention mechanism of oil cylinder |
| CN109676872A (en) * | 2019-01-08 | 2019-04-26 | 浙江台州美多模具有限公司 | The core pulling oil cylinder self-locking mechanism of injection mold |
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