CN109203384A - A kind of lever side core-pulling mechanism - Google Patents
A kind of lever side core-pulling mechanism Download PDFInfo
- Publication number
- CN109203384A CN109203384A CN201811412760.8A CN201811412760A CN109203384A CN 109203384 A CN109203384 A CN 109203384A CN 201811412760 A CN201811412760 A CN 201811412760A CN 109203384 A CN109203384 A CN 109203384A
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- Prior art keywords
- side core
- lever
- core
- hole
- moving template
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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
- B29C45/332—Mountings or guides therefor; Drives therefor
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Moulds, Cores, Or Mandrels (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
本发明公开了一种杠杆侧抽芯机构，包括动模板、左端设有圆弧滑槽的杠杆、定模板和用于固定定模板的定模底板，动模板可朝向或远离定模板运动。杠杆转动固装在动模板顶部的杠杆支点上，杠杆左端的圆弧滑槽内设有侧型芯，侧型芯的一端滑动安装在圆弧滑槽内，侧型芯的另一端从动模板顶部的侧型芯孔伸出进入动模板内部的型腔中用作型芯。本发明靠侧型芯实现在塑件侧面成型小孔，杠杆翻转的同时其上的圆弧滑槽导向并带动侧型芯在销孔中上下运动，进而实现侧抽芯或复位。本发明的杠杆侧抽芯机构整体结构简单，操作方便，可快速完成侧抽芯并避免损坏塑件。
The invention discloses a lever-side core-pulling mechanism, which comprises a movable template, a lever with a circular arc chute at the left end, a fixed template and a stationary bottom plate for fixing the fixed template. The movable template can move toward or away from the fixed template. The lever is rotated and fixed on the lever fulcrum on the top of the moving formwork. The arc chute at the left end of the lever is provided with a side core, one end of the side core is slidably installed in the arc chute, and the other end of the side core is driven by the template. The top side core hole protrudes into the cavity inside the movable platen as a core. The invention realizes the formation of small holes on the side of the plastic parts by the side core, and the circular arc chute on the lever guides and drives the side core to move up and down in the pin hole, thereby realizing side core pulling or reset. The lever-side core-pulling mechanism of the invention has a simple overall structure and convenient operation, can quickly complete the side-pulling mechanism and avoid damage to plastic parts.
Description
Technical field
The invention belongs to polymer material molding manufacture fields, are related to a kind of lever side core-pulling mechanism.
Background technique
Common side core-pulling mechanism is using taper pin, slide block mechanism or angled-lift splits or gear and rack teeth mechanism or hydraulic pumping
Core etc..These mechanisms have complex, such as taper pin, slide block mechanism, some higher costs, such as hydraulic core_pulling.Hydraulic core_pulling can
To realize the side core-pulling of relatively long distance.For the side core-pulling of relatively short distance, the application proposes a kind of lever side core-pulling mechanism, structure
Simply, mechanical flexibility, side core-pulling are high-efficient.
Summary of the invention
The present invention provides one kind to overcome the side core-pulling mechanism technical problem that structure is complicated, at high cost in the prior art
Structure is simple, mechanical flexibility, the high-efficient inexpensive lever side core-pulling mechanism of side core-pulling.
To achieve the goals above, the technical scheme adopted by the invention is as follows:
A kind of lever side core-pulling mechanism is equipped with lever, solid plate and the use of arc chute including moving template, side core left end
In the fixed clamping plate of fixed solid plate, moving template can be moved left and right with respect to solid plate.
Side core hole, balance pivot and the inside for being successively arranged vertical direction at the top of moving template from left to right are equipped with spring
Groove, moving template is interior to be equipped with type chamber.Side core hole opening upwards and bottom is connected to type chamber, spring one end is fixed with bottom portion of groove
Connection, the other end of spring are fixedly connected with lever, and under moving template and solid plate molding state completely, spring has lever
Downward pulling force.
Lever is arc-shaped and curved opening is upward, and lever is hinged with balance pivot, and one end of side core is slidably mounted on circle
In arc sliding slot, the other end of side core protrudes into type chamber as side core, between side core and side core hole from side core hole
Clearance fit.The radius of arc chute is equal to the distance between balance pivot and arc chute left upper end, as lever is overturn, side
Type core can be slided along arc chute, while side core does linear motion upward or downward in side core hole, and then realizes side
Core pulling or reset.
It is fixedly installed with convex block at the top of solid plate, is rolled at the top of convex block and is fixedly mounted with idler wheel, when moving template and solid plate start
Parting to enough demouldings, idler wheel contacts always with lever and applies downward pressure to lever.
After the completion of side core-pulling, in order to avoid side core continues to slide and deviation side cored hole with arc chute, further,
After completing side core-pulling, type chamber is left in side core lower end completely, and side core upper end is exactly in the bottom righthand side of arc chute.
Further, the second groove is equipped at the top of moving template, the side core hole is located at the second bottom portion of groove and type chamber connects
Logical, the placed type core retainer plate in the second groove is equipped with the through-hole of vertical direction in type core retainer plate, and through-hole is coaxial with side core hole and size
Accordingly, side core hole is inserted into from through-hole and is protruded into side core bottom, and then enters type chamber.Transition between type core retainer plate and the second groove
Cooperate, through-hole, the side core hole in the second groove and the clearance fit between side core on type core retainer plate, type core retainer plate opposite side cored hole
On the one hand there is guiding role, on the other hand avoid material leakage, simultaneous type core retainer plate has the function of protection, and type core retainer plate to moving template
It has worn replaceable.
Further, when moving template and solid plate parting to enough demouldings, spring is in confined state.Compressive state
Under spring upward elastic force is applied with to lever right part, in conjunction with idler wheel effect be convenient for dynamic model sheet reset, make molding it is more square
Just laborsaving.
It advanced optimizes, when moving template (1) and solid plate (8) molds completely, idler wheel (7) has lever (1) downward
Active force.Spring 6 and 7 collective effect of idler wheel make into mold process, lever 5 is more stable on lever 5.
It is obtained by the present invention to have the beneficial effect that spring is to lever 1) under moving template and solid plate molding state completely
With downward pulling force, keeps side core nonvoluntary and moved up and down in side core hole.2) present invention is realized by side core in plastic
Side molded aperture realizes the overturning for the lever being mounted on moving template, lever by the idler wheel collision being mounted on solid plate
Overturning while lever on arc chute be oriented to and side core driven to move up and down in pin hole, when side core moves upwards
Realize side core-pulling.Overall structure is simple, easy to operate, and side core-pulling can be rapidly completed and avoid damage plastic.
Detailed description of the invention
Fig. 1 is the lever side core-pulling mechanism schematic diagram in the embodiment of the present invention
In figure: 1. moving templates, 2. plastics, 3. side cores, 4. arc chutes, 5. levers, 6. springs, 7. idler wheels, 8. cover half
Plate, 9. fixed clamping plates.
Specific embodiment
The present invention is described in further detail below with reference to embodiment:
In conjunction with the accompanying drawings, the present invention is further explained in detail.Attached drawing is simplified schematic diagram, only with signal side
Formula illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
See that Fig. 1, a kind of lever side core-pulling mechanism are equipped with lever 5, the solid plate 8 of arc chute including moving template 1, left end
With the fixed clamping plate 9 for fixing solid plate, solid plate 8 is fixedly mounted by fixed clamping plate 9, and moving template 1 can be towards or away from
Solid plate 8 moves.
The top of moving template 1 is successively arranged the side core hole of vertical direction, balance pivot and opening upwards from left to right
Groove, the interior type chamber being equipped with for forming plastic 2 of moving template.Side core hole opening upwards and bottom is connected to type chamber, in groove
Equipped with spring 6, one end of spring 6 is fixedly connected with bottom portion of groove, and the other end of spring 6, which stretches out groove and fixes with lever 5, to be connected
It connects, under moving template 1 and the complete molding state of solid plate 8, spring 6 has downward pulling force to lever 5.
Lever 5 is arc-shaped and curved opening is upward, and the rotation of lever 5 is packed on balance pivot, and lever can surround lever branch
Point is done on perpendicular to be overturn clockwise or counterclockwise.Side core 3 is equipped in the arc chute of lever left end, side core 3
One end is slidably mounted in arc chute by pin, and the other end of side core 3 protrudes into type chamber as side from side core hole
Type core, clearance fit between side core and side core hole.More specifically, the top of moving template 1 is equipped with the second groove, the side type
Core bore is located at the second bottom portion of groove and is connected to type chamber, the placed type core retainer plate in the second groove, equipped with vertical direction in type core retainer plate
Through-hole, through-hole is coaxial to side core hole and size is corresponding, and side core hole is inserted into from through-hole and is protruded into side core bottom, and then enters
Type chamber.Transition fit between type core retainer plate and the second groove, through-hole, the side core hole in the second groove and side core on type core retainer plate
Clearance fit between 3.
The radius of arc chute is equal to the distance between balance pivot and arc chute left upper end end, as lever 5 turns over
Turn, side core 3 can be slided along arc chute, while side core 3 does straight line straight up or straight down in side core hole
Movement, and then realize side core-pulling or reset.After completing side core-pulling, type chamber is left in the lower end of side core 3 completely, side core 3 it is upper
Correct the bottom righthand side end in arc chute.
The top of solid plate 8 is fixedly installed with convex block, rolls at the top of convex block and is fixedly mounted with idler wheel 7, when moving template 1 and solid plate 8
Idler wheel 7 has downward active force to lever 5 when molding, when moving template 1 and solid plate 8 start parting to enough demouldings, idler wheel 7
It is contacted always with lever 5 and idler wheel 7 applies downward pressure to lever 5.When moving template 1 and 8 parting of solid plate are demoulded to enough
When, spring 6 is in confined state.Lever side core side core-pulling mechanism based on the present embodiment, when forming plastic 2, side core 3
The part of type chamber is protruded into as type core, for forming the aperture of plastic 2.After die sinking, moving template 1 and solid plate 8 start parting,
Lever 5 is contacted with idler wheel 7 simultaneously, and idler wheel 7 can only roll because on the convex block of solid plate 8, immovable, therefore thick stick
Balance pivot of the bar 5 on moving template 1 turns clockwise (at this moment spring 6 is compressed) as low-angle, and the angle of overturning is with pumping
Core is depending on length, and for side core-pulling apart from short, 5 flip angle of lever is small, otherwise flip angle is big.Lever turns clockwise,
It drives the side core 3 on moving template 1 to move up in side core hole by left end arc chute, realizes side core-pulling.Complete side
After core pulling, side core is fully drawn out from plastic aperture, and side core no longer moves up later, when moving template and solid plate parting arrive
When certain distance and enough demoulding, plastic is ejected by ejecting mechanism.5 right end long enough of lever guarantees that lever 5 connects with idler wheel 7
After touch without departing from idler wheel 7, i.e. idler wheel 7 is pressing against lever 5 always, and such side core 3 will not arbitrarily enter after completing side core-pulling
Plastic aperture ensures the validity of side core-pulling movement.
When moving template 1 resets while being molded (namely moving template 1 and solid plate 8), since 5 right end of lever is always by idler wheel
7 are pressing against, and do not leave idler wheel 7, therefore when moving template 1 moves to right, lever 5 is turned counterclockwise around its axle center as low-angle, drive side type
Core 3 moves down in side core hole, completes to reset, moving template 1 and solid plate 8 also realize molding.
In order to enable demoulding is steady reliable, above-mentioned lever side core side core-pulling mechanism can be symmetrically installed.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (5)
1. a kind of lever side core-pulling mechanism, it is characterised in that: be equipped with arc chute including moving template (1), side core (3), left end
Lever (5), solid plate (8) and the fixed clamping plate (9) for fixing solid plate, moving template (1) can with respect to solid plate (8) left and right
It is mobile；
Side core hole, balance pivot and the inside that the top of moving template (1) is successively arranged vertical direction from left to right are equipped with spring
(6) groove, moving template (1) is interior to be equipped with type chamber；Side core hole opening upwards and bottom is connected to type chamber, one end of spring (6)
It is fixedly connected with bottom portion of groove, the other end of spring (6) is fixedly connected with lever (5), is molded completely in moving template with solid plate
Under state, spring (6) has downward pulling force to lever (5)；
Lever (5) is arc-shaped and curved opening is upward, and lever (5) and balance pivot are hinged, and one end of side core (3) is slidably installed
In the arc chute of lever (5), the other end of side core (3) protrudes into type chamber, side core and side core from side core hole
Clearance fit between hole；The radius of arc chute is equal to the distance between balance pivot and arc chute left upper end, with lever
(5) overturn, side core (3) can slide along arc chute, while side core done in side core hole straight up or vertically to
Under linear motion, and then realize side core-pulling or reset；
It is fixedly installed with convex block at the top of solid plate (8), is rolled at the top of convex block and is fixedly mounted with idler wheel (7), when moving template (1) and solid plate
(8) from parting is started to when enough demouldings, idler wheel contacts always with lever and applies downward pressure to lever.
2. lever side core-pulling mechanism according to claim 1, it is characterised in that: after completing side core-pulling, under side core (3)
Type chamber is left at end completely, and the upper end of side core (3) is exactly in the bottom righthand side of arc chute.
3. lever side core-pulling mechanism according to claim 1, it is characterised in that: it is recessed that the top of moving template (1) is equipped with second
Slot, the side core hole are located at the second bottom portion of groove and are connected to type chamber, placed type core retainer plate in the second groove, be equipped in type core retainer plate
Vertical direction through-hole, through-hole is coaxial to side core hole and size is corresponding, and the bottom of side core (3) is inserted into from through-hole and protrudes into side type
Core bore, and then enter type chamber；Transition fit between type core retainer plate and the second groove, the through-hole on type core retainer plate, the side in the second groove
Clearance fit between cored hole and side core.
4. lever side core side core-pulling mechanism according to claim 1, it is characterised in that: when moving template (1) and solid plate
(8) when parting to enough demouldings, spring (6) is in confined state.
5. lever side core side core-pulling mechanism according to claim 1, it is characterised in that: when moving template (1) and solid plate
(8) idler wheel (7) has downward active force to lever (1) when molding completely.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412760.8A CN109203384B (en) | 2018-11-23 | 2018-11-23 | A lever side core pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811412760.8A CN109203384B (en) | 2018-11-23 | 2018-11-23 | A lever side core pulling mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109203384A true CN109203384A (en) | 2019-01-15 |
| CN109203384B CN109203384B (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811412760.8A Active CN109203384B (en) | 2018-11-23 | 2018-11-23 | A lever side core pulling mechanism |
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| Country | Link |
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| CN (1) | CN109203384B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388915A (en) * | 2020-11-24 | 2021-02-23 | 广东美的精密模具科技有限公司 | Core pulling assembly and mold |
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| CN104908241A (en) * | 2015-06-15 | 2015-09-16 | 台州市新立模塑有限公司 | Oblique core pulling lever-type reset locking mechanism of injection molding mold |
| CN105383014A (en) * | 2015-11-24 | 2016-03-09 | 重庆瑞霆塑胶有限公司 | Core pulling mechanism device for idler wheel limiting spring for injection molding |
| CN105397998A (en) * | 2015-11-23 | 2016-03-16 | 重庆瑞霆塑胶有限公司 | Lever compression spring core-pulling mechanism |
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2018
- 2018-11-23 CN CN201811412760.8A patent/CN109203384B/en active Active
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|---|---|---|---|---|
| CN102357993A (en) * | 2011-10-13 | 2012-02-22 | 浙江凯华模具有限公司 | Progressive de-molding mechanism for drag hook of injection mold |
| CN104908241A (en) * | 2015-06-15 | 2015-09-16 | 台州市新立模塑有限公司 | Oblique core pulling lever-type reset locking mechanism of injection molding mold |
| CN105397998A (en) * | 2015-11-23 | 2016-03-16 | 重庆瑞霆塑胶有限公司 | Lever compression spring core-pulling mechanism |
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| Title |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112388915A (en) * | 2020-11-24 | 2021-02-23 | 广东美的精密模具科技有限公司 | Core pulling assembly and mold |
| CN112388915B (en) * | 2020-11-24 | 2024-12-10 | 广东美的精密模具科技有限公司 | Core pulling components and molds |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109203384B (en) | 2020-11-24 |
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Effective date of registration: 20231208 Address after: 315000 No. 236-2 Keyuan North Road, Taoyuan Street, Ninghai County, Ningbo City, Zhejiang Province (self declared) Patentee after: Ningbo Baichuan Mould Co.,Ltd. Address before: 28-6, Building 3, No. 22 Daxue City South Road, Huxi Street, High tech Zone, Shapingba District, Chongqing, 400000 Patentee before: Zhitong (Chongqing) Technology Achievement Transformation Service Co.,Ltd. Effective date of registration: 20231208 Address after: 28-6, Building 3, No. 22 Daxue City South Road, Huxi Street, High tech Zone, Shapingba District, Chongqing, 400000 Patentee after: Zhitong (Chongqing) Technology Achievement Transformation Service Co.,Ltd. Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: CHANGZHOU University |
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