CN101823321B - Anti-retraction device of loose core of oil cylinder of injection mold - Google Patents
Anti-retraction device of loose core of oil cylinder of injection mold Download PDFInfo
- Publication number
- CN101823321B CN101823321B CN2010101825696A CN201010182569A CN101823321B CN 101823321 B CN101823321 B CN 101823321B CN 2010101825696 A CN2010101825696 A CN 2010101825696A CN 201010182569 A CN201010182569 A CN 201010182569A CN 101823321 B CN101823321 B CN 101823321B
- Authority
- CN
- China
- Prior art keywords
- skewback
- oil cylinder
- housing
- plane
- initiatively
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The invention discloses an anti-retraction device of a loose core of an oil cylinder of an injection mold, which comprises a shell (1), an inclined slide block set (2) and an oil cylinder (3). The anti-retraction device adopts the technical scheme that the inclined slide block set transmits the push-pull force offered by the oil cylinder to a profile slide block to move through the function of an inclined plane, thereby overcoming the problems and the defects of large shape, high cost, large energy consumption and small use range in the prior art. The anti-retraction device stops the larger retraction force of the profile slide block with the smaller oil cylinder through the labor-saving work of the inclined surface of the taper slide block set and under the function of the self locking of component force, thereby leading the injection mold of the loose core of the oil cylinder to achieve the goals of compact shape, low cost, low energy consumption and wide use range.
Description
Technical field
The present invention relates to a kind of stripper apparatus of loosing core of injection mold, specifically be meant on the injection mold that is applied in the loose core of oil cylinder demoulding, can stop the anti-retraction device that makes a kind of loose core of oil cylinder of injection mold of oil cylinder piston bar retraction because of injection pressure.
Background technology
Adopt the injection mold of the loose core of oil cylinder demoulding; During injection moulding because the pressure that is applied on the profile slide block of mould is very big; Force profile slide block pipe bending cylinder piston rod retraction, its result causes goods to be scrapped, even " getting stuck " fault that goods can't the demoulding in mould takes place.
Prior art adopts big compressing cylinder with a high standard to the profile slide block enough big latching force to be provided; Perhaps adopt two oil cylinder methods, promptly an oil cylinder is responsible for push-and-pull profile slide block, is specially taken charge of the duty of latch locking by the another oil cylinder and guarantees profile slide block unlikely retraction under huge injection pressure; Yet big compressing cylinder cost with a high standard is high, body is big, supporting high-pressure oil pump energy consumption big, cause that the mold integral body is big, cost is high, the operation energy consumption that injection moulding is produced is big; Two oil cylinder method costs are also high, and mechanism is complicated and be subject to the restriction of mould installation site and inapplicable; Therefore, there are the problems and shortcomings that body is big, cost is high, energy consumption is big, applicable surface is narrow in prior art.
Summary of the invention
Problems and shortcomings to above-mentioned prior art existence; The present invention adopts the push-pull effort that is provided by angled-lift splits adjutant oil cylinder to pass to the technical scheme of profile slide block movement through ramp effect; A kind of anti-retraction device of loose core of oil cylinder of injection mold is provided; Be intended to utilize the laborsaving and component self-locking action of inclined-plane work of angled-lift splits pair; Realize stoping the bigger retraction force of profile slide block, make the injection mold of loose core of oil cylinder reach body compactness, low, energy-saving and cost-reducing, the widely applicable purpose of cost with less oil cylinder.
The objective of the invention is to realize like this: a kind of anti-retraction device of loose core of oil cylinder of injection mold, comprise housing, secondary, the oil cylinder of angled-lift splits, wherein: described housing is outside rectangular steel blocks; Enclosure interior is provided with passage right-angle turning, that supply said angled-lift splits pair to slide that is made up of level, vertical two slideway quadratures; Wherein, the opening of horizontal slideway is positioned at the left surface of housing, and cross sectional shape is a rectangle, and the left side of the active skewback that size and angled-lift splits are secondary is looked projection size and is slidingly matched; The opening of vertical slideway is positioned at the upper surface of housing, and cross sectional shape is a rectangle, and the downward projection size of the driven skewback that size and angled-lift splits are secondary is slidingly matched; The left surface of housing is provided with the blind screwhole of the said oil cylinder of plurality of fixed; The upper surface of housing is provided with the blind screwhole that usefulness is installed in some application; Serve as reasons initiatively skewback, driven skewback of described angled-lift splits pair is secondary through the combined member of guide rail, guide groove sliding engaged; Wherein, initiatively skewback is the steel blocks of wedge shape; Initiatively skewback above, from left to right, 1/4 be horizontal plane, surpluss 3/4 to be low inclined-plane, the high right side, a left side, the gradient on inclined-plane is 2 °～30 °, center line is provided with the guide groove of recessed T shape along the inclined-plane; Initiatively the left surface center of skewback is provided with the blind screwhole that connects usefulness; Driven skewback is the steel blocks of wedge shape; The following of driven skewback is high right low inclined-plane, a left side, and the inclined-plane of gradient and said active skewback coincide, and center line is provided with the guide rail of the T shape of protrusion along the inclined-plane; The center, upper surface of driven skewback is provided with the blind screwhole and the columniform take-off lever that connect usefulness and is fixedly linked; Described oil cylinder is the hydraulically extensible executive component of the current standard that is made up of cylinder body, piston rod;
Mutual alignment and annexation
Initiatively skewback is following; Driven skewback, is inserted in the housing by the horizontal slideway opening part slip of housing left surface through said guide rail, guide groove sliding engaged last; Initiatively skewback is arranged in the horizontal slideway of housing, and driven skewback is upwards slipped in the vertical slideway of housing by active skewback pushing tow; Oil cylinder is fixed on the left surface of housing through screw, and the piston rod of oil cylinder links to each other with the active skewback through the blind screwhole of skewback left surface initiatively; Take-off lever links to each other with driven skewback through the blind screwhole of driven skewback upper surface.
Operation principle
During application, the present invention is fixed on the mould through the blind screwhole that is arranged on the housing upper surface, and the profile slide block of take-off lever and mould is fixedly linked.
When the piston rod of oil cylinder ejects, receive inclined-plane and guide rail, guide groove effect, the driven skewback of active skewback pushing tow of angled-lift splits pair moves upward along the vertical slideway of housing, resets through the profile slide block pushing tow of take-off lever with mould; In like manner, the piston rod of oil cylinder when withdrawal, receive inclined-plane and guide rail, guide groove effect, the secondary active skewback of angled-lift splits affects driven skewback to move downward along the vertical slideway of housing, through take-off lever the profile slide block of mould is retracted and looses core;
During mold injection; Powerful injection pressure forces profile slide block retraction; At this moment; The secondary inclined-plane of angled-lift splits is decomposed into two component of vertical and horizontal with retraction force, and most of retraction force is applied on the housing with the mode of vertical stress component, has only less horizontal component to be delivered on the piston rod of oil cylinder through the active skewback; Gradient more little then horizontal component in inclined-plane is more little, when inclined-plane gradient during near the Mohs gradient, because of the frictional force of angled-lift splits auxiliary material greater than horizontal component, initiatively the horizontal component complete obiteration on the skewback actual transfer oil supply cylinder piston rod has promptly produced locking phenomenon; Through the design alternative to the secondary inclined-plane gradient of angled-lift splits, controllable levels component deficiency is so that the piston rod retraction of oil cylinder, thereby guarantees that the profile slide block does not bounce back under huge injection pressure; Because the laborsaving effect on inclined-plane affects the profile slide block to reset, loose core required active force also not quite, therefore can select for use the oil cylinder that body is little, cost is low, energy consumption is low just can satisfy the application of the profile slide block of retraction force greatly.
Above-mentioned; The present invention adopts the push-pull effort that is provided by angled-lift splits adjutant oil cylinder to pass to the technical scheme of profile slide block movement through ramp effect; Overcome prior art and had the problems and shortcomings that body is big, cost is high, energy consumption is big, applicable surface is narrow; The anti-retraction device of a kind of loose core of oil cylinder of injection mold that is provided; Utilize the secondary laborsaving and component self-locking action of inclined-plane work of angled-lift splits, realize stoping the bigger retraction force of profile slide block, make the injection mold of loose core of oil cylinder reach body compactness, low, energy-saving and cost-reducing, the widely applicable purpose of cost with less oil cylinder.
Description of drawings
Fig. 1 is the structural representation of the anti-retraction device of loose core of oil cylinder of injection mold of the present invention;
Fig. 2 is the assembling process sketch map of the anti-retraction device of loose core of oil cylinder of injection mold of the present invention;
Fig. 3 is the anti-retraction device of loose core of oil cylinder of injection mold of the present invention, is operated in the reset principle schematic of tense of pushing tow profile slide block;
Fig. 4 is the anti-retraction device of loose core of oil cylinder of injection mold of the present invention, is operated in to affect the loose core principle schematic of tense of profile slide block.
Embodiment below in conjunction with in the accompanying drawing does further explain to the present invention, but should not be construed as any restriction of the present invention.
Among the figure: housing 1, angled-lift splits pair 2, active skewback 21, driven skewback 22, take-off lever 23, oil cylinder 3, profile slide block 01.
The specific embodiment
Consult Fig. 1～Fig. 4, the anti-retraction device of a kind of loose core of oil cylinder of injection mold of the present invention comprises housing 1, angled-lift splits pair 2, oil cylinder 3, and wherein: described housing 1 is outside rectangular steel blocks; Enclosure interior is provided with passage right-angle turning, that supply said angled-lift splits secondary 2 to slide that is made up of level, vertical two slideway quadratures; Wherein, the opening of horizontal slideway is positioned at the left surface of housing, and cross sectional shape is a rectangle, and the left side of the active skewback 21 of size and angled-lift splits secondary 2 is looked projection size and is slidingly matched; The opening of vertical slideway is positioned at the upper surface of housing, and cross sectional shape is a rectangle, and the downward projection size of the driven skewback 22 of size and angled-lift splits secondary 2 is slidingly matched; The left surface of housing is provided with the blind screwhole of the said oil cylinder 3 of plurality of fixed; The upper surface of housing is provided with the blind screwhole that usefulness is installed in some application;
Serve as reasons initiatively skewback 21, driven skewback 22 of described angled-lift splits secondary 2 is secondary through the combined member of guide rail, guide groove sliding engaged; Wherein, initiatively skewback 21 is the steel blocks of wedge shape; Initiatively skewback above, from left to right, 1/4 be horizontal plane, surpluss 3/4 to be low inclined-plane, the high right side, a left side, the gradient on inclined-plane is 2 °～30 °, center line is provided with the guide groove of recessed T shape along the inclined-plane; Initiatively the left surface center of skewback 21 is provided with the blind screwhole that connects usefulness; Driven skewback 22 is the steel blocks of wedge shape; The following of driven skewback is high right low inclined-plane, a left side, and the inclined-plane of gradient and said active skewback coincide, and center line is provided with the guide rail of the T shape of protrusion along the inclined-plane; The center, upper surface of driven skewback is provided with the blind screwhole and the columniform take-off lever 23 that connect usefulness and is fixedly linked;
Described oil cylinder 3 is the hydraulically extensible executive component of the current standard that is made up of cylinder body, piston rod;
Mutual alignment and annexation
Operation principle
During application, the present invention is fixed on the mould through the blind screwhole that is arranged on housing 1 upper surface, and take-off lever 23 is fixedly linked with the profile slide block 01 of mould.
When the piston rod of oil cylinder 3 ejects, receive inclined-plane and guide rail, guide groove effect, the driven skewback 22 of active skewback 21 pushing tows of angled-lift splits secondary 2 moves upward along the vertical slideway of housing 1, resets through profile slide block 01 pushing tow of take-off lever 23 with mould; In like manner, the piston rod of oil cylinder 3 when withdrawal, receive inclined-plane and guide rail, guide groove effect, the active skewback 21 of angled-lift splits secondary 2 affects driven skewback 22 to move downward along the vertical slideway of housing 1, through take-off lever 23 the profile slide block 01 of mould is retracted and looses core;
During mold injection; Powerful injection pressure forces profile slide block 01 retraction; At this moment; The inclined-plane of angled-lift splits secondary 2 is decomposed into two component of vertical and horizontal with retraction force, and most of retraction force is applied on the housing 1 with the mode of vertical stress component, has only less horizontal component to be delivered on the piston rod of oil cylinder 3 through active skewback 21; Gradient more little then horizontal component in inclined-plane is more little, when inclined-plane gradient during near the Mohs gradient, because of the frictional force of secondary 2 materials of angled-lift splits greater than horizontal component, the initiatively horizontal component complete obiteration of skewback 21 actual transfer to oil cylinder 3 piston rods promptly produced locking phenomenon; Through the design alternative to the inclined-plane gradient of angled-lift splits secondary 2, controllable levels component deficiency is so that the piston rod retraction of oil cylinder 3, thereby guarantees that profile slide block 01 does not bounce back under huge injection pressure; Because the laborsaving effect on inclined-plane affects profile slide block 01 to reset, loose core required active force also not quite, therefore can select for use the oil cylinder 3 that body is little, cost is low, energy consumption is low just can satisfy the application of the profile slide block 01 of retraction force greatly.
Claims (1)
1. the anti-retraction device of a loose core of oil cylinder of injection mold comprises housing (1), angled-lift splits secondary (2), oil cylinder (3), and it is characterized in that: described housing (1) is outside rectangular steel blocks; Enclosure interior is provided with passage right-angle turning, that supply said angled-lift splits secondary (2) to slide that is made up of level, vertical two slideway quadratures; Wherein, the opening of horizontal slideway is positioned at the left surface of housing, and cross sectional shape is a rectangle, and the left side of the active skewback (21) of size and angled-lift splits secondary (2) is looked projection size and is slidingly matched; The opening of vertical slideway is positioned at the upper surface of housing, and cross sectional shape is a rectangle, and the downward projection size of the driven skewback (22) of size and angled-lift splits secondary (2) is slidingly matched; The left surface of housing is provided with the blind screwhole of the said oil cylinder of plurality of fixed (3); The upper surface of housing is provided with the blind screwhole that usefulness is installed in some application;
Serve as reasons initiatively skewback (21), driven skewback (22) of described angled-lift splits secondary (2) is secondary through the combined member of guide rail, guide groove sliding engaged; Wherein, initiatively skewback (21) is the steel blocks of wedge shape; Initiatively skewback above, from left to right, 1/4 be horizontal plane, surpluss 3/4 to be low inclined-plane, the high right side, a left side, the gradient on inclined-plane is 2 °～30 °, center line is provided with the guide groove of recessed T shape along the inclined-plane; Initiatively the left surface center of skewback (21) is provided with the blind screwhole that connects usefulness; Driven skewback (22) is the steel blocks of wedge shape; The following of driven skewback is high right low inclined-plane, a left side, and the inclined-plane of gradient and said active skewback coincide, and center line is provided with the guide rail of the T shape of protrusion along the inclined-plane; The center, upper surface of driven skewback is provided with the blind screwhole and the columniform take-off lever (23) that connect usefulness and is fixedly linked;
Described oil cylinder (3) is the hydraulically extensible executive component of the current standard that is made up of cylinder body, piston rod;
Mutual alignment and annexation do; Initiatively skewback (21) is following; Driven skewback (22), is inserted in the housing (1) by the horizontal slideway opening part slip of housing (1) left surface through said guide rail, guide groove sliding engaged last; Initiatively skewback (21) is arranged in the horizontal slideway of housing (1), and driven skewback (22) is upwards slipped in the vertical slideway of housing (1) by active skewback (21) pushing tow; Oil cylinder (3) is fixed on the left surface of housing (1) through screw, and the piston rod of oil cylinder (3) links to each other with active skewback (21) through the blind screwhole of skewback (21) left surface initiatively; Take-off lever (23) links to each other with driven skewback (22) through the blind screwhole of driven skewback (22) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101825696A CN101823321B (en) | 2010-05-10 | 2010-05-10 | Anti-retraction device of loose core of oil cylinder of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101825696A CN101823321B (en) | 2010-05-10 | 2010-05-10 | Anti-retraction device of loose core of oil cylinder of injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101823321A CN101823321A (en) | 2010-09-08 |
| CN101823321B true CN101823321B (en) | 2012-11-21 |
Family
ID=42687586
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101825696A Expired - Fee Related CN101823321B (en) | 2010-05-10 | 2010-05-10 | Anti-retraction device of loose core of oil cylinder of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101823321B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103753780B (en) * | 2014-01-23 | 2016-01-06 | 宁海胜利模具有限公司 | A kind of injection mold self-locking break-in core-pulling device |
| CN103934982A (en) * | 2014-04-03 | 2014-07-23 | 苏州益群模具有限公司 | Oil cylinder core-pulling device of automobile injection mold |
| CN107415156B (en) * | 2017-03-30 | 2023-06-13 | 神通科技集团股份有限公司 | Automatic plug mechanism of mould core bar |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0370142A1 (en) * | 1988-11-22 | 1990-05-30 | Sankyo Engineering Co. Ltd. | Slide core mold for injection molding |
| CN201291568Y (en) * | 2008-10-06 | 2009-08-19 | 宁海县第一注塑模具有限公司 | Stationary mould knockout core structure of water channel on air conditioner base plate reverse side |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6659760B2 (en) * | 2001-08-10 | 2003-12-09 | Taiwan Green Point Enterprise Co., Ltd. | Mechanism for moving a screw rod relative to molds for manufacturing products having holds |
-
2010
- 2010-05-10 CN CN2010101825696A patent/CN101823321B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0370142A1 (en) * | 1988-11-22 | 1990-05-30 | Sankyo Engineering Co. Ltd. | Slide core mold for injection molding |
| CN201291568Y (en) * | 2008-10-06 | 2009-08-19 | 宁海县第一注塑模具有限公司 | Stationary mould knockout core structure of water channel on air conditioner base plate reverse side |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101823321A (en) | 2010-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201669859U (en) | Retraction-prevention device of injection mold oil cylinder loose core | |
| CN103358494B (en) | Secondary core-pulling and ejection demoulding device by asynchronous inclined downward ejection | |
| CN101913231B (en) | Fixed die core-pulling mechanism capable of self-locking and backstopping | |
| CN101823321B (en) | Anti-retraction device of loose core of oil cylinder of injection mold | |
| CN105035957A (en) | Hydraulic walking type automatic walking mechanism | |
| CN105870802A (en) | Electric power metering cabinet | |
| CN204149456U (en) | A kind of injection mold vertical pulling is horizontal takes out back-off stripper apparatus | |
| CN202727273U (en) | Oblique core-pulling mechanism arranged on fixed mould support plate | |
| CN104097302B (en) | A kind of injection mold directly pushes up oblique picking device | |
| CN204897213U (en) | Automatic running gear of hydraulic pressure walking | |
| CN206464343U (en) | A kind of frame packaged type milling train draw lever locking device | |
| CN101954721B (en) | Simple secondary ejecting mechanism of plastic injection mold | |
| CN102248641B (en) | Coring device in sliding block of injection mould | |
| CN104416842A (en) | Automatic pull bar demounting die locking apparatus of two-plate injection molding machine | |
| CN202123626U (en) | Core drawing device in slide block of injection mold | |
| CN203643250U (en) | Hydraulic horizontal push clamp | |
| CN201736405U (en) | Self-locking and die stopping fixed die core-loosening mechanism | |
| CN202897556U (en) | Multifunctional full-automatic large-scale green brick stacking machine clamping hand | |
| CN213878846U (en) | High-low voltage switch cabinet convenient to installation | |
| CN201471691U (en) | Core pulling device with small slide block in large slide block | |
| CN104325608A (en) | Three-linkage synthesis core-pulling device of injection mould | |
| CN211467336U (en) | Mold core-pulling mechanism | |
| CN102423560B (en) | Quick-opening device for filter board of pressure filter | |
| CN203317658U (en) | Die locking device for injection molding machine | |
| CN203937124U (en) | A kind of injection mold directly pushes up oblique picking device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20160510 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |