CN203973982U - The built-in ejection cylinder leakage preventing mechanism of plastic chair mold - Google Patents
The built-in ejection cylinder leakage preventing mechanism of plastic chair mold Download PDFInfo
- Publication number
- CN203973982U CN203973982U CN201420379442.7U CN201420379442U CN203973982U CN 203973982 U CN203973982 U CN 203973982U CN 201420379442 U CN201420379442 U CN 201420379442U CN 203973982 U CN203973982 U CN 203973982U
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- Prior art keywords
- chair
- ejector retainner
- built
- retainner plate
- dynamic model
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- Expired - Fee Related
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Abstract
The built-in ejection cylinder leakage preventing mechanism of plastic chair mold, comprise stationary mould for mould frame and dynamic model frame, chair back core is installed in dynamic model frame, chair back die cavity is installed in cover half frame, between cover half frame and dynamic model frame, chair pin being set inserts, chair pin is inserted, between chair back die cavity and chair back core, form die cavity, in die cavity, there is the chair of injection mo(u)lding, described chair pin arranges built-in cylinder chamber in inserting, built-in cylinder is installed ejection cylinder in chamber, the outer wall of inserting at chair pin is installed guide pillar, on guide pillar, activity arranges ejector retainner plate and lower ejector retainner plate, the piston rod of ejection cylinder connects upper ejector retainner plate and lower ejector retainner plate, in dynamic model frame, locking bar is installed, the head of locking bar stretches out outside dynamic model frame and contacts with upper ejector retainner plate.This programme has not only reduced the volume of mould, makes mould be more suitable for the assembling of middle-size and small-size injection machine, saves equipment investment, and ejection cylinder is arranged in built-in cylinder chamber oil-proofly, keeps mould clean, ensures the injection moulding quality of chair.
Description
Technical field
The utility model relates to the built-in ejection cylinder leakage preventing mechanism of a kind of plastic chair mold, belongs to mould of plastics field.
Background technology
Adopt mould of plastics to produce Plastic chair, easy to process, cost is economized.The mould that prior art is produced Plastic chair generally adopts horizontal type structure, be that chair is horizontal injection molding in mould, the primary structure of mould comprises that chair back is inserted and chair pin is inserted two parts composition, in the time that the chair demoulding ejects, drive chair back to insert by die sinking oil cylinder before this and separate with the backrest of chair, then the chair on chair pin is inserted ejects by jail to drive push rod by ejection cylinder.In actual production, in order to comply with the direction that ejects of chair, ejection cylinder is all outside an oblique sidewall that is arranged on mould, (traditional moulds ejecting mechanism is vertically promoted by injection machine power), external oblique top oil cylinder has not only increased mould volume, increases cost investment, and the easy leakage of oil of oil cylinder, grease flows in die cavity, affects the injection moulding quality of chair.
Summary of the invention
The purpose of this utility model is the shortcoming in order to overcome prior art, a kind of built-in cylinder structure that adopts is provided, reduces mould volume, be beneficial to mould and be arranged in injection machine, save cost, and avoid oil cylinder leakage of oil to affect the built-in ejection cylinder leakage preventing mechanism of plastic chair mold of chair quality.
The technical scheme of the built-in ejection cylinder leakage preventing mechanism of the utility model plastic chair mold is: comprise stationary mould for mould frame and dynamic model frame, chair back core is installed in dynamic model frame, chair back die cavity is installed in cover half frame, between cover half frame and dynamic model frame, chair pin being set inserts, chair pin is inserted, between chair back die cavity and chair back core, form die cavity, in die cavity, there is the chair of injection mo(u)lding, it is characterized in that described chair pin arranges built-in cylinder chamber in inserting, built-in cylinder is installed ejection cylinder in chamber, the outer wall of inserting at chair pin is installed guide pillar, on guide pillar, activity arranges ejector retainner plate and lower ejector retainner plate, the piston rod of ejection cylinder connects upper ejector retainner plate and lower ejector retainner plate, in dynamic model frame, locking bar is installed, the head of locking bar stretches out outside dynamic model frame and contacts with upper ejector retainner plate.
The built-in ejection cylinder leakage preventing mechanism of plastic chair mold of the present utility model, when die sinking, drive the operation of dynamic model frame to separate with cover half frame by die sinking oil cylinder, the cylinder body of die sinking oil cylinder is fixed on dynamic model frame outer wall, the cylinder rod of die sinking oil cylinder connects the contiguous block of cover half frame outer wall, chair pin is inserted and chair back core is stayed in cover half frame, the chair jail of moulding chair pin insert and chair back core on, chair back die cavity and locking bar are along with the operation of dynamic model frame, after die sinking finishes, locking bar and upper ejector retainner plate disengage, then be arranged on the ejection cylinder work in built-in cylinder chamber, ejector retainner plate and the action of lower ejector retainner plate in drive, on, on lower ejector retainner plate, be generally all equipped with thimble, on, lower ejector retainner plate drives thimble that chair is inserted and ejected with chair back core from chair pin, complete the chair demoulding.This programme is opened system built-in cylinder chamber in chair pin is inserted, ejection cylinder is arranged in built-in cylinder chamber, not only reduce the volume of mould, make mould be more suitable for middle-size and small-size injection machine assembling, save equipment investment, and ejection cylinder is arranged on not easy oil leakage in built-in cylinder chamber, even if produce grease, greasy dirt etc., do not spill chair pin and insert, do not flow in die cavity, ensure the quality of chair yet.
The built-in ejection cylinder leakage preventing mechanism of plastic chair mold of the present utility model, described chair pin insert outer wall install panelling, on panelling, be equipped with wearing plate, wearing plate is not easy to wear, long service life, guide pillar is fixed on panelling, easy for installation.On described guide pillar, be equipped with slip guiding sleeve, upper ejector retainner plate and lower ejector retainner plate are arranged on slip guiding sleeve, have had slip guiding sleeve, and upper ejector retainner plate and lower ejector retainner plate move smooth in the time ejecting.
Brief description of the drawings
Fig. 1 is the built-in ejection cylinder leakage preventing mechanism of the utility model plastic chair mold structural representation;
Fig. 2 is the built-in ejection cylinder leakage preventing mechanism of the utility model plastic chair mold front view.
Detailed description of the invention
The utility model relates to the built-in ejection cylinder leakage preventing mechanism of a kind of plastic chair mold, as Fig. 1, shown in Fig. 2, comprise stationary mould for mould frame 1 and dynamic model frame 2, chair back core 3 is installed in dynamic model frame 2, chair back die cavity 4 is installed in cover half frame 1, between cover half frame 1 and dynamic model frame 2, chair pin is set and inserts 5, chair pin inserts 5, between chair back die cavity 4 and chair back core 3, form die cavity, in die cavity, there is the chair 6 of injection mo(u)lding, described chair pin is inserted in 5 built-in cylinder chamber 7 is set, built-in cylinder is installed ejection cylinder 8 in chamber, at insert 5 outer wall of chair pin, guide pillar 9 is installed, on guide pillar 9, activity arranges ejector retainner plate 10 and lower ejector retainner plate 11, the piston rod 12 of ejection cylinder 8 connects upper ejector retainner plate 10 and lower ejector retainner plate 11, locking bar 13 is installed in dynamic model frame 2, the head of locking bar 13 stretches out outside dynamic model frame 2 and contacts with upper ejector retainner plate 10.When die sinking, drive the operation of dynamic model frame to separate with cover half frame by die sinking oil cylinder 18, the cylinder body of die sinking oil cylinder 18 is fixed on dynamic model frame 2 outer walls, the cylinder rod of die sinking oil cylinder 18 connects the contiguous block 19 of cover half frame 1 outer wall, chair pin insert 5 and chair back core 3 stay in cover half frame 1, chair 6 jails of moulding chair pin insert 5 and chair back core 3 on, chair back die cavity 4 and locking bar 13 are along with dynamic model frame 2 moves, after die sinking finishes, locking bar 13 disengages with upper ejector retainner plate 10, then the ejection cylinder 8 being arranged in built-in cylinder chamber 7 is worked, in drive, ejector retainner plate 10 and lower ejector retainner plate 11 move, on, on lower ejector retainner plate, be generally all equipped with thimble 20, on, lower ejector retainner plate drive thimble 20 by chair 6 from chair pin insert 5 and chair back core 3 eject, complete the chair demoulding.This programme is opened system built-in cylinder chamber 7 in chair pin is inserted, ejection cylinder is arranged in built-in cylinder chamber 7, not only reduce the volume of mould, make mould be more suitable for middle-size and small-size injection machine assembling, save equipment investment, and ejection cylinder is arranged on not easy oil leakage in built-in cylinder chamber, even if produce grease, greasy dirt etc., do not spill chair pin and insert, do not flow in die cavity, ensure the quality of chair yet.Described chair pin insert 5 outer walls install panellings 15, on panelling, be equipped with wearing plate 16, wearing plate is not easy to wear, long service life, guide pillar 9 is fixed on panelling 15, easy for installation.On described guide pillar 9, be equipped with slip guiding sleeve 17, upper ejector retainner plate 10 and lower ejector retainner plate 11 are arranged on slip guiding sleeve 17, have had slip guiding sleeve, and upper ejector retainner plate and lower ejector retainner plate move smooth in the time ejecting.
Claims (3)
1. the built-in ejection cylinder leakage preventing mechanism of plastic chair mold, comprise stationary mould for mould frame (1) and dynamic model frame (2), chair back core (3) is installed in dynamic model frame (2), chair back die cavity (4) is installed in cover half frame (1), chair pin insert (5) is set between cover half frame (1) and dynamic model frame (2), chair pin insert (5), between chair back die cavity (4) and chair back core (3), form die cavity, in die cavity, there is the chair (6) of injection mo(u)lding, it is characterized in that described chair pin is inserted in (5) arranges built-in cylinder chamber (7), ejection cylinder (8) is installed in built-in cylinder chamber, chair pin insert (5) outer wall install guide pillar (9), the upper activity of guide pillar (9) arranges ejector retainner plate (10) and lower ejector retainner plate (11), ejector retainner plate (10) and lower ejector retainner plate (11) in piston rod (12) connection of ejection cylinder (8), locking bar (13) is installed in dynamic model frame (2), the head of locking bar (13) stretches out outside dynamic model frame (2) and contacts with upper ejector retainner plate (10).
2. the built-in ejection cylinder leakage preventing mechanism of plastic chair mold as claimed in claim 1, is characterized in that described chair pin (5) outer wall of inserting installs panelling (15), is equipped with wearing plate (16) on panelling, and guide pillar (9) is fixed on panelling (15).
3. the built-in ejection cylinder leakage preventing mechanism of plastic chair mold as claimed in claim 1, is characterized in that being equipped with slip guiding sleeve (17) on described guide pillar (9), and upper ejector retainner plate (10) and lower ejector retainner plate (11) are arranged on slip guiding sleeve (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420379442.7U CN203973982U (en) | 2014-07-10 | 2014-07-10 | The built-in ejection cylinder leakage preventing mechanism of plastic chair mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420379442.7U CN203973982U (en) | 2014-07-10 | 2014-07-10 | The built-in ejection cylinder leakage preventing mechanism of plastic chair mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203973982U true CN203973982U (en) | 2014-12-03 |
Family
ID=51971463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420379442.7U Expired - Fee Related CN203973982U (en) | 2014-07-10 | 2014-07-10 | The built-in ejection cylinder leakage preventing mechanism of plastic chair mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203973982U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501329A (en) * | 2018-05-04 | 2018-09-07 | 台州市黄岩雷丰模具有限公司 | A kind of European chair frame of integrated injection molding and its injection mold |
-
2014
- 2014-07-10 CN CN201420379442.7U patent/CN203973982U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108501329A (en) * | 2018-05-04 | 2018-09-07 | 台州市黄岩雷丰模具有限公司 | A kind of European chair frame of integrated injection molding and its injection mold |
| CN108501329B (en) * | 2018-05-04 | 2023-09-08 | 浙江雷丰模具股份有限公司 | European style backrest chair frame formed by integral injection molding and injection mold thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Built-in ejection cylinder leakage prevention mechanism for plastic chair mold Effective date of registration: 20160628 Granted publication date: 20141203 Pledgee: Industrial Commercial Bank of China Ltd Taizhou Huangyan branch Pledgor: Taizhou Huangyan Union Mould Industry Co., Ltd. Registration number: 2016330000038 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20190710 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |