CN102632569A - Combined core-pulling device of plastic mould of arc hollow product - Google Patents
Combined core-pulling device of plastic mould of arc hollow product Download PDFInfo
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- CN102632569A CN102632569A CN2012101261866A CN201210126186A CN102632569A CN 102632569 A CN102632569 A CN 102632569A CN 2012101261866 A CN2012101261866 A CN 2012101261866A CN 201210126186 A CN201210126186 A CN 201210126186A CN 102632569 A CN102632569 A CN 102632569A
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- core
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- pulling device
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Abstract
The invention discloses a combined core-pulling device of a plastic mould of an arc hollow product, relating to a device for carrying out rotary core pulling by using slide blocks. The invention provides a combined core-pulling device of a plastic mould of an arc hollow product, which is simple in structure, high in reliability and quick in demoulding and can further greatly improve the production efficiency. The plastic mould comprises an upper die, a lower die and an inner die, wherein the bottom surface of the upper die is provided with at least an upper die core, the top surface of the lower die is provided with at least a lower die core, the upper and lower die cores are respectively provided with upper and lower die cavities, and the upper and lower die cavities are formed into an outer contour forming cavity of the product after the operation of die assembly is performed; and the inner die is arranged in the forming cavity so as to form an inner contour forming surface of the product, and the inner die is movably connected to the lower die by the combined core-pulling device, so that the inner die makes an arc reciprocating motion along the arc axis direction of the forming cavity. The combined core-pulling device disclosed by the invention realizes the rotary core-pulling action by using the rack-and-gear drive, thereby greatly solving the problem that the rotary core-pulling action is difficult to be completed by using common devices; and the combined core-pulling device is simple and exquisite in structure.
Description
Technical field
The present invention relates to plastic mould, relate in particular to and utilize slide block rotation core-pulling device.
Background technology
Along with the extensive use of plastic product, in the production process of plasthetics, people often require to produce attractive in appearance, practical products such as having camber, radian, the for example structural member of cattle horn shape, sheath shape hollow.That core pulling method of the prior art mainly contains is manual, motor-driven, hydraulic pressure or air pressure.Manually core-pulling mechanism is meant to rely on manpower to carry out the mechanism of side core-pulling.Motor-driven side core-pulling mechanism is meant the mould opening force that relies on injector or die casting machine, realizes the mechanism of loosing core through relevant driving parts.Hydraulic pressure or air pressure core-pulling mechanism are meant special hydraulic cylinder or the cylinder of configuration on mould, realize the mechanism of loosing core through hydraulic pressure or Pneumatic Transmission.Because said method is applicable to loosing core of conventional products, be not suitable for circular-arc product, make mould structure, stripping means is complicated, manufacture difficulty is big and die cost is high.
Summary of the invention
The present invention is directed to above problem, provide a kind of simple in structure, reliability is high, and the demoulding is quick, and then the combined type core-pulling device of the arc hollow product plastic mould that can enhance productivity greatly.
Technical scheme of the present invention is: said plastic mould comprises upper die and lower die and internal mold; Be provided with at least one upper mold core in the patrix bottom surface; Be provided with at least one lower mold core at the counterdie end face; Upper and lower core rod is respectively equipped with upper and lower die cavity, and upper and lower die cavity constitutes the outline forming cavity of said product behind matched moulds; Said internal mold is in the said forming cavity, constitute said product in contoured, said internal mold is movably connected on the counterdie through the combined type core-pulling device, makes said internal mold make camber line along the arc axis direction of said forming cavity and moves back and forth;
Said combined type core-pulling device comprises linear drives power source, tooth bar, duplicate gear and at least two secondary core-pulling mechanisms; Said counterdie and lower mold core are provided with the vallecular cavity of ccontaining said combined type core-pulling device;
Said core-pulling mechanism comprises driven gear, slide block contiguous block, take-up housing and slide block, and said internal mold is fixedly connected on the external end head of said slide block;
Said duplicate gear is arranged on the center of said counterdie, and the axis normal of duplicate gear is in the end face of said counterdie; Said tooth bar is movably connected in the counterdie, and said linear drives power source is fixedly connected on the outside of counterdie and connects said tooth bar; Said tooth bar is meshed with the bottom gear teeth of said duplicate gear;
Said driven gear is arranged in the said counterdie, and said driven gear is meshed with the top gear teeth of said duplicate gear; Said slide block contiguous block is fixedly connected on the end face of said driven gear, departs from the axle center of said driven gear, and said take-up housing is fixedly connected on the end face of said slide block contiguous block; Said slide block is fixedly connected on said take-up housing on the end face of said die cavity down, makes that said slide block drove said internal mold by movement in a curve when said driven gear rotated.
Bottom surface at said patrix also is fixedly connected with the shovel machine; Said shovel machine is inclined-plane one towards the side of said take-up housing; Said take-up housing is adaptive with it inclined-plane two towards the side of said shovel machine; Make said shovel machine when patrix drives down mould motion vertically downward, the inclined-plane one on the shovel machine contacts said inclined-plane two.
Said slide block is provided with gib head, and said take-up housing is provided with gib head trough, and said gib head is located in the said gib head trough, makes said slide block link to each other through the gib head structure with said take-up housing.
The motion chute structure that also comprises take-up housing; Said motion chute structure comprises outside casing, inside casing and end wear-resistant block; Said outside casing, inside casing and end wear-resistant block are fixedly connected on respectively on the counterdie, and the end face of the inboard cambered surface of said outside casing, the outside cambered surface of inside casing and end wear-resistant block contacts with the outside cambered surface of said take-up housing, inboard cambered surface and bottom surface respectively.
Said core-pulling mechanism is a fourth officer, and the driven gear of each core-pulling mechanism is parallel to each other, and is distributed on the said counterdie.
The present invention utilizes the main power that drives, and realizes the demoulding of loosing core to a plurality of product internal molds.Demoulding action is divided into two steps, and at first: patrix and counterdie divide mould, divide mould after, the shovel machine disengaging take-up housing that is connected with patrix has stayed enough spaces to the movement in a curve of step under the take-up housing; Then: the linear drives dynamic start, drive tooth bar, duplicate gear, driven gear rotation, driven gear finally drives take-up housing, take-up housing circular swing motion, makes internal mold from product, break away from.A plurality of driven gears mesh respectively and same duplicate gear, make that the action synchronism of each interior moulding/demoulding is high, high conformity.The present invention utilizes the rack pinion transmission to realize the action that rotation is loosed core, reliable in action, and pressure transmits good, has solved the action of loosing core that common unit is difficult to accomplish largely, and mould structure is succinct, exquisite.
Description of drawings
Fig. 1 is a structural representation of the present invention,
Fig. 2 is an A-A view among Fig. 1,
Fig. 3 is a B-B view among Fig. 1,
Fig. 4 is the sketch map of disassembling of drive mechanism of the present invention,
Fig. 5 is the fundamental diagram of drive mechanism of the present invention;
1 is slide block among the figure, and 1a is a gib head, the 1.1st, and take-up housing, 1.1a are gib head troughs, the 1.2nd, shovel machine, the 1.3rd, outside casing, the 1.4th, inside casing; 1.5 be the side wear-resistant block, the 1.6th, end wear-resistant block, the 2nd, internal mold, the 3rd, slide block contiguous block, 3a are projections, the 4th, the gear driven spindle; 4a is a breach, the 5th, and bearing, the 6th, driven gear, the 7th, key, the 8th, bearing, the 9th, bearing; The 10th, gear, the 11st, key, the 12nd, driving gear rotating shaft, the 13rd, bearing, the 14th, tooth bar, the 15th, linear drives power source; The 16th, product, the 17th, lower mold core, 17a is following die cavity, the 18th, upper mold core, 18a is a upper mould cave, the 19th, runner.
The specific embodiment
The present invention is shown in Fig. 1-5; Said plastic mould comprises upper die and lower die and internal mold 2; Be provided with at least one upper mold core 18 in the patrix bottom surface; Be provided with at least one lower mold core 17 at the counterdie end face, upper mold core 18 is respectively equipped with upper mould cave 18a and following die cavity 17a with lower mold core 17, and upper mould cave 18a and following die cavity 17a constitute the outline forming cavity of said product 16 behind matched moulds; Said internal mold 2 is in the said forming cavity, constitute said product 16 in contoured, said internal mold 2 is movably connected on the counterdie through the combined type core-pulling device, makes said internal mold 2 make camber line along the arc axis direction of said forming cavity and moves back and forth; Runner 19 connects the shaping mold cavity of product 16;
Said combined type core-pulling device comprises linear drives power source 15, tooth bar 14, duplicate gear and at least two secondary core-pulling mechanisms; Said counterdie and lower mold core 17 are provided with the vallecular cavity of ccontaining said combined type core-pulling device; Duplicate gear comprises driving gear rotating shaft 12, gear 10, key 11 and bearing 9 and bearing 13; The bottom of driving gear rotating shaft 12 is provided with the gear teeth; Gear 10 is fixed in the driving gear rotating shaft 12 through key 11; Bearing 9 and bearing 13 are separately fixed at the two ends of driving gear rotating shaft 12, are fixed on simultaneously in the vallecular cavity of counterdie.
Said core-pulling mechanism comprises driven gear 6, slide block contiguous block 3, take-up housing 1.1 and slide block 1, and said internal mold 2 is fixedly connected on the external end head of said slide block 1;
Said duplicate gear is arranged on the center of said counterdie, and the axis normal of duplicate gear is in the end face of said counterdie; Said tooth bar 14 is movably connected in the counterdie, and said linear drives power source 15 is fixedly connected on the outside of counterdie and connects said tooth bar 14; Said tooth bar 14 is meshed with the bottom gear teeth of said duplicate gear; Linear drives power source 15 can be the hydraulic jack assembly, drives tooth bar 14 moving linearlies.
Said driven gear 6 is arranged in the said counterdie, and said driven gear 6 is meshed with the top gear teeth (being gear 10) of said duplicate gear; Said slide block contiguous block 3 is fixedly connected on the end face of said driven gear 6, departs from the axle center of said driven gear 6, and said take-up housing 1.1 is fixedly connected on the end face of said slide block contiguous block 3; Said slide block 1 is fixedly connected on said take-up housing 1.1 on the end face of said die cavity 17a down, makes that when said driven gear 6 rotated, said slide block 1 drove said internal mold 2 by movement in a curve.At work, driven gear 6 can driven gear driven spindle 4, through key 7 both is connected, and is provided with bearing 5 and bearing 8 at the two ends of gear driven spindle 4 simultaneously, and is fixedly connected in the vallecular cavity of counterdie; Top at gear driven spindle 4 is provided with step circle; And on step circle, offer breach 4a; Simultaneously be provided with projection 3a, make projection 3a can be fixedly connected among the breach 4a, thereby realize that driven gear 6 drives slide block 1 and does movement in a curve in the bottom of slide block contiguous block 3.
Bottom surface at said patrix also is fixedly connected with shovel machine 1.2; Said shovel machine 1.2 is inclined-plane one towards the side of said take-up housing 1.1; Said take-up housing 1.1 is adaptive with it inclined-plane two towards the side of said shovel machine 1.2; Make said shovel machine 1.2 when patrix drives down mould motion vertically downward, the inclined-plane one on the shovel machine 1.2 contacts said inclined-plane two.1.2 pairs of take-up housings 1.1 of shovel machine play the role of positioning, and when preventing injecting glue, acting in opposition force urges take-up housing 1.1 backward rotation of glue cause contour shape mistake standard in the product 16.
Said slide block 1 is provided with gib head 1a, and said take-up housing 1.1 is provided with gib head trough 1.1a, and said gib head 1a is located in the said gib head trough 1.1a, makes said slide block 1 link to each other through the gib head structure with said take-up housing 1.1.
The motion chute structure that also comprises take-up housing 1.1; Said motion chute structure comprises outside casing 1.3, inside casing 1.4 and end wear-resistant block 1.6; Said outside casing 1.3, inside casing 1.4 and end wear-resistant block 1.6 are fixedly connected on respectively on the counterdie, and the end face of the inboard cambered surface of said outside casing 1.3, the outside cambered surface of inside casing 1.4 and end wear-resistant block 1.6 contacts with the outside cambered surface of said take-up housing 1.1, inboard cambered surface and bottom surface respectively.In real work, can also between the contact-making surface of shovel machine 1.2 and take-up housing 1.1, side wear-resistant block 1.5 be set.
Said core-pulling mechanism is a fourth officer, and the driven gear 6 of each core-pulling mechanism is parallel to each other, and is distributed on the said counterdie.
Claims (5)
1. the combined type core-pulling device of an arc hollow product plastic mould; Said plastic mould comprises upper die and lower die and internal mold; Be provided with at least one upper mold core in the patrix bottom surface; Be provided with at least one lower mold core at the counterdie end face, upper and lower core rod is respectively equipped with upper and lower die cavity, and upper and lower die cavity constitutes the outline forming cavity of said product behind matched moulds; Said internal mold is in the said forming cavity; Constitute said product in contoured; It is characterized in that said internal mold is movably connected on the counterdie through the combined type core-pulling device, make said internal mold make camber line and move back and forth along the arc axis direction of said forming cavity;
Said combined type core-pulling device comprises linear drives power source, tooth bar, duplicate gear and at least two secondary core-pulling mechanisms; Said counterdie and lower mold core are provided with the vallecular cavity of ccontaining said combined type core-pulling device;
Said core-pulling mechanism comprises driven gear, slide block contiguous block, take-up housing and slide block, and said internal mold is fixedly connected on the external end head of said slide block;
Said duplicate gear is arranged on the center of said counterdie, and the axis normal of duplicate gear is in the end face of said counterdie; Said tooth bar is movably connected in the counterdie, and said linear drives power source is fixedly connected on the outside of counterdie and connects said tooth bar; Said tooth bar is meshed with the bottom gear teeth of said duplicate gear;
Said driven gear is arranged in the said counterdie, and said driven gear is meshed with the top gear teeth of said duplicate gear; Said slide block contiguous block is fixedly connected on the end face of said driven gear, departs from the axle center of said driven gear, and said take-up housing is fixedly connected on the end face of said slide block contiguous block; Said slide block is fixedly connected on said take-up housing on the end face of said die cavity down, makes that said slide block drove said internal mold by movement in a curve when said driven gear rotated.
2. the combined type core-pulling device of a kind of arc hollow product plastic mould according to claim 1; It is characterized in that; Bottom surface at said patrix also is fixedly connected with the shovel machine, and said shovel machine is inclined-plane one towards the side of said take-up housing, and said take-up housing is adaptive with it inclined-plane two towards the side of said shovel machine; Make said shovel machine when patrix drives down mould motion vertically downward, the inclined-plane one on the shovel machine contacts said inclined-plane two.
3. the combined type core-pulling device of a kind of arc hollow product plastic mould according to claim 1; It is characterized in that; Said slide block is provided with gib head; Said take-up housing is provided with gib head trough, and said gib head is located in the said gib head trough, makes said slide block link to each other through the gib head structure with said take-up housing.
4. the combined type core-pulling device of a kind of arc hollow product plastic mould according to claim 1; It is characterized in that; The motion chute structure that also comprises take-up housing; Said motion chute structure comprises outside casing, inside casing and end wear-resistant block, and said outside casing, inside casing and end wear-resistant block are fixedly connected on respectively on the counterdie, and the end face of the inboard cambered surface of said outside casing, the outside cambered surface of inside casing and end wear-resistant block contacts with the outside cambered surface of said take-up housing, inboard cambered surface and bottom surface respectively.
5. the combined type core-pulling device of a kind of arc hollow product plastic mould according to claim 1 is characterized in that, said core-pulling mechanism is a fourth officer, and the driven gear of each core-pulling mechanism is parallel to each other, and is distributed on the said counterdie.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210126186.6A CN102632569B (en) | 2012-04-26 | 2012-04-26 | Combined core-pulling device of plastic mould of arc hollow product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210126186.6A CN102632569B (en) | 2012-04-26 | 2012-04-26 | Combined core-pulling device of plastic mould of arc hollow product |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102632569A true CN102632569A (en) | 2012-08-15 |
| CN102632569B CN102632569B (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210126186.6A Active CN102632569B (en) | 2012-04-26 | 2012-04-26 | Combined core-pulling device of plastic mould of arc hollow product |
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| CN (1) | CN102632569B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751446A (en) * | 2016-05-12 | 2016-07-13 | 江苏泽恩汽机车部品制造有限公司 | Core-pulling demolding device based on hollow product |
| CN107745488A (en) * | 2017-09-28 | 2018-03-02 | 重庆联荣智能模具股份有限公司 | A kind of fuel tank cap shaping and demoulding mould |
| CN114603792A (en) * | 2020-12-29 | 2022-06-10 | 扬州恒生精密模具有限公司 | Double-rotation type core-pulling structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10249874A (en) * | 1997-03-12 | 1998-09-22 | Ricoh Co Ltd | Molding machine for plastic |
| CN200948657Y (en) * | 2006-09-04 | 2007-09-19 | 上海小糸车灯有限公司 | Guide rail device for plastic forming die core loose |
| CN202088354U (en) * | 2011-04-25 | 2011-12-28 | 深圳市大通精密五金有限公司 | Ejector pin structure of die |
| CN202507437U (en) * | 2012-04-26 | 2012-10-31 | 扬州恒生精密模具有限公司 | Combined core-pulling device for cambered hollow product plastic mold |
-
2012
- 2012-04-26 CN CN201210126186.6A patent/CN102632569B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10249874A (en) * | 1997-03-12 | 1998-09-22 | Ricoh Co Ltd | Molding machine for plastic |
| CN200948657Y (en) * | 2006-09-04 | 2007-09-19 | 上海小糸车灯有限公司 | Guide rail device for plastic forming die core loose |
| CN202088354U (en) * | 2011-04-25 | 2011-12-28 | 深圳市大通精密五金有限公司 | Ejector pin structure of die |
| CN202507437U (en) * | 2012-04-26 | 2012-10-31 | 扬州恒生精密模具有限公司 | Combined core-pulling device for cambered hollow product plastic mold |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751446A (en) * | 2016-05-12 | 2016-07-13 | 江苏泽恩汽机车部品制造有限公司 | Core-pulling demolding device based on hollow product |
| CN107745488A (en) * | 2017-09-28 | 2018-03-02 | 重庆联荣智能模具股份有限公司 | A kind of fuel tank cap shaping and demoulding mould |
| CN107745488B (en) * | 2017-09-28 | 2023-09-12 | 重庆联荣精密模具有限责任公司 | Oil tank cover forming and demolding die |
| CN114603792A (en) * | 2020-12-29 | 2022-06-10 | 扬州恒生精密模具有限公司 | Double-rotation type core-pulling structure |
| CN114603792B (en) * | 2020-12-29 | 2023-12-19 | 扬州恒生精密模具有限公司 | Double-rotation type core pulling structure |
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| Publication number | Publication date |
|---|---|
| CN102632569B (en) | 2014-02-05 |
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