CN103737807B - Plastic chair mold and this mold use method - Google Patents
Plastic chair mold and this mold use method Download PDFInfo
- Publication number
- CN103737807B CN103737807B CN201310730018.2A CN201310730018A CN103737807B CN 103737807 B CN103737807 B CN 103737807B CN 201310730018 A CN201310730018 A CN 201310730018A CN 103737807 B CN103737807 B CN 103737807B
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- China
- Prior art keywords
- mold
- core
- chair
- perforate
- guide bars
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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
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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
- B29C45/2602—Mould construction elements
- B29C45/2606—Guiding or centering means
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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
-
- 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
Abstract
The invention provides a kind of plastic chair mold, comprise front mould and rear mold, between described front mould and described rear mold, be provided with core, described core both sides are equipped with slide block, have bed die at described core and two slide blocks; On mould, both sides are provided with the first perforate in the rear, and be fixedly installed the first guide bars in each first perforate surface thereof, described slide block is interspersed on described first guide bars, and the rear end of described core is provided with the second perforate; The 3rd perforate is equipped with in the left and right sides of described core.The present invention also provides a kind of using method of plastic chair mold.Adopt plastic chair mold provided by the invention and this mold use method, structure is simple, reasonable in design, adopts oil cylinder as power, transmitting force is steady, the demoulding is smooth and easy, adopts nitrogen inflation, eliminates the operation loosed core in chair leg and handrail position, simple and efficient, save material, save production cost, chair weight saving.
Description
Technical field
The present invention relates to plastic chair mold and this mold use method.
Background technology
Plastic chair is daily living article, and Plastic chair is overall structure, and shape matching is complicated, and have process velocity fast, the features such as cost is low, are widely used in restaurant, family etc.Current Plastic chair is all generally by mould of plastics single injection-molded, and process velocity is fast, but comprises the structures such as chair pin, seat support, the chair back and handrail due to chair, and therefore ubiquity design is unreasonable, demoulding difficulty, the problems such as waste material.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of reasonable in design, and the demoulding is smooth, saves the plastic chair mold of material.
The invention provides a kind of plastic chair mold, comprise front mould and rear mold, between described front mould and described rear mold, be provided with core, described core both sides are equipped with slide block, have bed die at described core and two slide blocks; On mould, both sides are provided with the first perforate in the rear, and described first perforate is the perforate of both sides inclination to the left and right, and be fixedly installed the first guide bars in each first perforate surface thereof, described slide block is interspersed on described first guide bars; The rear end of described core is provided with the second perforate, in the rear on mould, described second perforate is provided with the second guide bars; Be equipped with the 3rd perforate in the left and right sides of described core, on the described slide block of described core both sides, described 3rd perforate be provided with the 3rd guide bars; Described bed die is provided with four the second grooves, described second groove is arranged at the below of four chair legs that described front mould, described rear mold, described core and described two slide blocks are formed, and described second groove and described front mould, described rear mold, described core and described two slide blocks form chair leg chamber.
Further, on mould, both sides are provided with the first groove in the rear, and described first groove is provided with described first perforate, and one end of described slide block is connected in described first groove.
Further, the both sides of mould are provided with fixed block in the rear, described fixed block connects oil cylinder, described fixed block is provided with bayonet socket, described oil cylinder comprises cylinder body and piston rod, described cylinder body is fixed on described slide block, and described piston rod end is provided with buckle, and described buckle is connected in described bayonet socket and is fixed on described fixed block.
Further, described chair leg chamber is communicated with nitrogen pump by described second groove.
The present invention also provides a kind of using method of plastic chair mold, comprises
S1: during mold closing, between front mould, rear mold, core, two slide blocks and bed die, mutual mould closes the overall die cavity forming Plastic chair, the sizing material of the 20%-30% of first injection moulding chair overall volume, then open and be communicated with outside nitrogen pump, marginal not moulds limit to the inflation of chair leg chamber, and nitrogen pump is upwards inflated in chair leg chamber, and sizing material can not fill whole chair leg, treat that sizing material forms chair pin on the second groove, nitrogen pump quits work;
S2: during die sinking, front mould exits; Release two slide blocks and core by the first guide bars, the second guide bars, two slide blocks are separated with rear mold with core, be separated two slide blocks and core by the 3rd guide bars, like this, complete die sinking action, Plastic chair just can be extracted out.
Further, in step S2, by the outside motion pushing piston-rod of cylinder body, release two slide blocks and core by the first guide bars, the second guide bars.
Adopt plastic chair mold provided by the invention and this mold use method, structure is simple, reasonable in design, adopts oil cylinder as power, transmitting force is steady, the demoulding is smooth and easy, adopts nitrogen inflation, eliminates the operation loosed core in chair leg and handrail position, simple and efficient, save material, save production cost, chair weight saving.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 schematically illustrates the schematic diagram of the plastic chair mold that the invention process example provides;
Fig. 2 schematically illustrates the rear mold front view that the invention process example provides;
Fig. 3 schematically illustrates the rear mold side view that the invention process example provides;
Fig. 4 schematically illustrates the front mould front view that the invention process example provides;
Fig. 5 schematically illustrates the front mould side view that the invention process example provides;
Fig. 6 schematically illustrates the core top view that the invention process example provides;
Fig. 7 schematically illustrates the core side view that the invention process example provides;
Fig. 8 schematically illustrates the slide block side view that the invention process example provides;
Fig. 9 schematically illustrates the slide block rearview that the invention process example provides;
Figure 10 schematically illustrates the bed die top view that the invention process example provides;
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
With reference to accompanying drawing, the embodiment of the present invention provides a kind of plastic chair mold, comprises front mould 1 and the rear mold 2 of the conjunction of mutual mould, the front of front mould 1 is provided with front die cavity 11, the front of rear mold 2 is provided with rear die cavity 21, and when front mould 1 and rear mold 2 mould close, front die cavity 11 is communicated with rear die cavity 21.In the cavity that front mould 1 and rear mold 2 are formed, be provided with core 3, core 3 both sides are equipped with slide block 5, have bed die 4 at core 3 and two slide blocks 5; Like this, the mutual mould of front mould 1, rear mold 2, core 3, two slide block 5 and bed die 4 closes the overall die cavity forming Plastic chair.
The first groove 25 is provided with in the both sides of rear die cavity 21, first groove 25 is provided with the first perforate 23, first perforate 23 is the perforate of both sides inclination to the left and right, the first guide bars 22 is fixedly installed in each first perforate 23 surface thereof, first guide bars 22 is interspersed with slide block 5, one end of slide block 5 is connected in the first groove 25, and rear mold 2 is closed with the guide effect mould of slide block 5 by the first guide bars 22 or is separated; Fixed block 24 is provided with in the both sides of rear mold 2, fixed block 24 connects oil cylinder 26, oil cylinder 26 is preferably hydraulic jack, fixed block 24 is provided with bayonet socket 241, oil cylinder 26 comprises cylinder body 261 and piston rod 262, cylinder body 261 is fixed on slide block 5, and piston rod 262 end is provided with buckle (not shown in FIG.), and buckle is connected in bayonet socket 241 and is fixed on fixed block 24.
The trailing flank of core 3 is provided with the second perforate 31, in rear mold 2, the second perforate 31 is provided with the second guide bars (not shown in FIG.); Be equipped with the 3rd perforate 32 in the left and right sides of core 3, on the slide block 5 of core 3 both sides, the 3rd perforate 32 be provided with the 3rd guide bars (not shown in FIG.); When slide block 5 is separated with rear mold 2 by the guide effect of the first guide bars 22, core 3 is separated with the guide effect of rear mold 2 by the second guide bars, and core 3 is separated by the 3rd guide bars with the slide block 5 of both sides.
Bed die 4 is provided with four the second grooves 41, second groove 41 is arranged at front mould 1, rear mold 2, the below of four chair legs that core 3 and two slide blocks 5 are formed, second groove 41 and front mould 1, rear mold 2, core 3 and two slide blocks 5 form chair leg chamber, chair leg chamber is communicated with outside nitrogen pump (not shown in FIG.) by the second groove 41, in the process of injection moulding, nitrogen is poured in chair leg chamber, make the sizing material of injection moulding can not fill whole chair leg, hollow chair leg eliminates the operation of loosing core, simple and efficient, save production cost, and the total quality of Plastic chair is lightened.
The using method of this plastic chair mold is as follows:
(1) during mold closing, between front mould 1, rear mold 2, core 3, two slide block 5 and bed die 4, mutual mould closes the overall die cavity forming Plastic chair, the sizing material of the 20%-30% of first injection moulding chair overall volume, then open and be communicated with outside nitrogen pump, marginal not moulds limit to the inflation of chair leg chamber, and nitrogen pump is upwards inflated in chair leg chamber, and sizing material can not fill whole chair leg, treat that sizing material forms chair pin on the second groove 41, nitrogen pump quits work.
(2), during die sinking, front mould 1 exits; Cylinder body 261 is motion pushing piston-rod 262 outwards, releases two slide blocks 5 and core 3, two slide blocks 5 are separated with rear mold 2 with core 3 by the first guide bars 22, second guide bars, two slide blocks 5 and core 3 is separated by the 3rd guide bars, like this, complete die sinking action, Plastic chair just can be extracted out.
As can be seen from the above description, the plastic chair mold adopting the embodiment of the present invention to provide and this mold use method, can reach following technique effect:
Structure is simple, reasonable in design, and adopt oil cylinder as power, transmitting force is steady, and the demoulding is smooth and easy, adopts nitrogen inflation, eliminates the operation loosed core in chair leg and handrail position, simple and efficient, saves material, saves production cost, chair weight saving.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (6)
1. a plastic chair mold, comprise front mould (1) and rear mold (2), it is characterized in that, core (3) is provided with between described front mould (1) and described rear mold (2), described core (3) both sides are equipped with slide block (5), have bed die (4) at described core (3) and two slide blocks (5); The upper both sides of mould (2) are provided with the first perforate (23) in the rear, described first perforate (23) is the perforate of both sides inclination to the left and right, be fixedly installed the first guide bars (22) in each first perforate (23) surface thereof, described slide block (5) is interspersed on described first guide bars (22); The trailing flank of described core (3) is provided with the second perforate (31), in the rear on mould (2), described second perforate (31) is provided with the second guide bars; Be equipped with the 3rd perforate (32) in the left and right sides of described core (3), on the described slide block (5) of described core (3) both sides, described 3rd perforate (32) be provided with the 3rd guide bars; Described bed die (4) is provided with four the second grooves (41), described second groove (41) is arranged at the below of four chair legs that described front mould (1), described rear mold (2), described core (3) and described two slide blocks (5) are formed, and described second groove (41) and described front mould (1), described rear mold (2), described core (3) and described two slide blocks (5) form chair leg chamber.
2. plastic chair mold as claimed in claim 1, it is characterized in that, the upper both sides of mould (2) are provided with the first groove (25) in the rear, described first groove (25) is provided with described first perforate (23), and one end of described slide block (5) is connected in described first groove (25).
3. plastic chair mold as claimed in claim 1 or 2, it is characterized in that, the both sides of mould (2) are provided with fixed block (24) in the rear, described fixed block (24) connects oil cylinder (26), described fixed block (24) is provided with bayonet socket (241), described oil cylinder (26) comprises cylinder body (261) and piston rod (262), described cylinder body (261) is fixed on described slide block (5), described piston rod (262) end is provided with buckle, and described buckle is connected in described bayonet socket (241) and is fixed on described fixed block (24).
4. plastic chair mold as claimed in claim 1, is characterized in that, described chair leg chamber is communicated with nitrogen pump by described second groove (41).
5. a using method for plastic chair mold, is characterized in that,
S1: during mold closing, between front mould (1), rear mold (2), core (3), two slide blocks (5) and bed die (4), mutual mould closes the overall die cavity forming Plastic chair, the sizing material of the 20%-30% of first injection moulding chair overall volume, then open and be communicated with outside nitrogen pump, marginal not moulds limit to the inflation of chair leg chamber, and nitrogen pump is upwards inflated in chair leg chamber, and sizing material can not fill whole chair leg, treat that sizing material is at the second groove (41) upper formation chair pin, nitrogen pump quits work;
S2: during die sinking, front mould (1) exits; Two slide blocks (5) and core (3) is released by the first guide bars (22), the second guide bars, two slide blocks (5) are separated with rear mold (2) with core (3), two slide blocks (5) and core (3) is separated by the 3rd guide bars, like this, complete die sinking action, Plastic chair just can be extracted out.
6. the using method of plastic chair mold as claimed in claim 5, it is characterized in that, in step S2, by cylinder body (261) outwards motion pushing piston-rod (262), release two slide blocks (5) and core (3) by the first guide bars (22), the second guide bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310730018.2A CN103737807B (en) | 2013-12-26 | 2013-12-26 | Plastic chair mold and this mold use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310730018.2A CN103737807B (en) | 2013-12-26 | 2013-12-26 | Plastic chair mold and this mold use method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103737807A CN103737807A (en) | 2014-04-23 |
| CN103737807B true CN103737807B (en) | 2015-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310730018.2A Active CN103737807B (en) | 2013-12-26 | 2013-12-26 | Plastic chair mold and this mold use method |
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| CN (1) | CN103737807B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105563765A (en) * | 2016-02-25 | 2016-05-11 | 浙江森川家具有限公司 | Injection mold suitable for complex plastic part and demolding method of injection mold |
| CN107160641B (en) * | 2017-07-20 | 2023-03-31 | 揭阳市大立模具厂有限公司 | One-time injection molding mould for wood-like hollow chair foot and armrest chair |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2638076B1 (en) * | 1989-03-01 | 1991-02-01 | Grosfillex Sarl | MONOLITHIC SEAT IN INJECTED PLASTIC MATERIAL |
| JPH06304034A (en) * | 1993-04-23 | 1994-11-01 | Itoki Crebio Corp | Manufacture of synthetic resin leg body for chair |
| US8663514B2 (en) * | 2010-05-11 | 2014-03-04 | Knoll, Inc. | Gas-assisted co-injection molded chair |
| CN102285077A (en) * | 2011-05-27 | 2011-12-21 | 浙江星威办公家具制造有限公司 | De-molding mechanism for plastic chair mold |
| CN202264363U (en) * | 2011-09-16 | 2012-06-06 | 浙江星威办公家具制造有限公司 | Cylinder double-ejection angle-lifting mold releasing mechanism for plastic chair molds |
| CN102514150B (en) * | 2011-12-28 | 2014-03-12 | 深圳市银宝山新科技股份有限公司 | Method for making chairs and chair mold releasing device |
| CN203752424U (en) * | 2013-12-26 | 2014-08-06 | 揭阳市格润工业设计有限公司 | Novel plastic chair mold |
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2013
- 2013-12-26 CN CN201310730018.2A patent/CN103737807B/en active Active
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| Publication number | Publication date |
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| CN103737807A (en) | 2014-04-23 |
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Effective date of registration: 20210122 Address after: 522000 Jieyang Airport Economic Zone, Jieyang City, Guangdong Province Patentee after: JIEYANG DALI PLASTICS MOULD FACTORY Co.,Ltd. Address before: 522021 Jieyang airport district management committee office building, Jieyang City, Guangdong Province Patentee before: JIEYANG GERUN INDUSTRIAL DESIGN Co.,Ltd. |
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| TR01 | Transfer of patent right |