CN202071302U - Automatic cutoff mechanism for gate in mould - Google Patents
Automatic cutoff mechanism for gate in mould Download PDFInfo
- Publication number
- CN202071302U CN202071302U CN2011200775204U CN201120077520U CN202071302U CN 202071302 U CN202071302 U CN 202071302U CN 2011200775204 U CN2011200775204 U CN 2011200775204U CN 201120077520 U CN201120077520 U CN 201120077520U CN 202071302 U CN202071302 U CN 202071302U
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- CN
- China
- Prior art keywords
- mould
- executive component
- gate
- actuated element
- thimble
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Abstract
The utility model provides an automatic cutoff mechanism for a gate in a mould, which is applied to a plastic mould. When plastic filling is ended and pressure-maintaining cooling is carried out, a driving component starts actuating, and power is transferred by a transmission component, so that an executive component rotates, and the gate is wholly cut off by a concave knife edge at the upper end of the executive component, so that a runner and a plastic product are completely separated. Compared with the prior art, the automatic cutoff mechanism for the gate in the mould is capable of automatically cutting off the gate in the mould at the product cooling stage to enable the gate to be completely separated from the product, thereby, the process of carrying out treatment after mould opening is carried out on the gate is not needed, the production cycle of the product is shortened, and the production cost is reduced.
Description
[technical field]
The utility model relates to a kind of mold mechanism, and particularly a kind of mould ingate of plastic mould excises mechanism automatically.
[background technology]
Cast gate is the melten gel passage that connects runner and die cavity in the running gate system of ejection shaping die.Side gate and tab gate are cast gate design the most commonly used in the plastic mould, that the advantage of this type of cast gate design is that easy to process, pressure decreases is little, be convenient to revise, its shortcoming is to be to link together with runner after the product depanning, need artificial excision cast gate or excise cast gate with special tool, thereby need drop into certain manpower and materials for this reason, the whole production cycle also has certain prolongation; In the process of excision cast gate, also can produce certain faulty materials and defective products in addition, finally cause the rising of production cost.
Under the more and more higher production model of automated production degree now, be necessary to develop the mechanism of the inner automatic desprucing of a kind of plastic mould that shortens the production cycle, reduces production costs in fact.
[utility model content]
In view of this, the purpose of this utility model is to provide a kind of mould ingate that shortens the production cycle, reduces production costs to excise mechanism automatically.
In order to achieve the above object, the utility model provides a kind of mould ingate to excise mechanism automatically, is applied in the mould, and this mould comprises a caster, a male model plate and a liftout plate, it is characterized in that, this mould ingate excises mechanism automatically and comprises:
Certain hyte part, it comprises a location board and a thimble, this location board is fixedly arranged in this male model plate, and be provided with a manhole in the mould open/close direction, this thimble can be arranged at the below of this mould gate up and downly, its lower end is fixedly arranged on this liftout plate, and its main body runs through this male model plate, this location board and this male model benevolence, and can be up and down in the manhole of this board;
One executive component, this executive component is a rotary cutter, but its main body be columnar structured and left rotation and right rotation be sheathed on this thimble, glue-feeder when its upper end is provided with a spill edge of a knife as formed product, but its left rotation and right rotation ground, lower end inserts the manhole of this board and the gap of this thimble, also be provided with a polygon force structure on the main body of this executive component, but this force structure left rotation and right rotation be snapped on this location board;
One driving element, the outside that it is fixedly arranged on this male model plate is used to this executive component that driving force is provided;
One transmission component, it comprises one first actuated element and one second actuated element, one end of this first actuated element is connected on this driving element, its other end and this second actuated element is hinged or the engagement, this second actuated element engage sleeves is located on the polygon force structure of this executive component, and the driving force of this driving element is converted to the torsion that makes this executive component rotation by this transmission component.
Preferably, this driving element is a cylinder, and the piston rod of this cylinder provides the driving force of front-rear reciprocation movement, and this driving force is converted to the torsion that makes this executive component left rotation and right rotation by this transmission component.
Preferably, this first actuated element is a connecting rod, second actuated element is a fork, one end engage sleeves of this fork is located on the polygon force structure of this executive component, its other end is provided with a guide runner, one end of this connecting rod is fixed on the piston of this cylinder, and its other end is articulated on the guide runner of this fork movably.
Preferably, this first actuated element is a gear, and this second actuated element is a tooth bar, and this gear engage sleeves is located on the polygon force structure of this executive component, this tooth bar one end is fixed on the piston of this cylinder, and the tooth of its side meshes this gear and carries out power transmission.
The utility model mould ingate excises mechanism automatically, be applied to a plastic mould, when plastic cement sand off and pressurize cooling, driving element begins to move and the transmission of power by this transmission component, make this executive component rotation, the spill edge of a knife of its upper end makes runner separate fully with plastic cement products the complete cut-out of cast gate; After cooling forming finished, the mould die sinking also ejected product; Liftout plate resets then, the mould matched moulds, and this driving element resets and the mating reaction by this transmission component simultaneously, and this executive component reverse rotation is resetted, and mould enters next molding cycle.
Compared to prior art, the utility model mould ingate excises mechanism automatically, just can be at the mould inside automatic break gate at the product cooling stage, make it to separate fully with product, save the operation that cast gate is handled after die sinking, shortened the production cycle of product, reduced production cost.
[description of drawings]
Fig. 1 excises the schematic diagram of mechanism in an embodiment automatically for the utility model mould ingate.
Fig. 2 is the internal structure schematic diagram of Fig. 1.
Fig. 3 is the partial enlarged drawing among Fig. 2.
Fig. 4 excises the structural representation of the executive component of mechanism automatically for the utility model mould ingate.
Fig. 5 excises the structural representation of mechanism in another embodiment automatically for the utility model mould ingate.
[specific embodiment]
The below describes in further detail the specific embodiment of the present utility model in conjunction with the accompanying drawings.
Please refer to Fig. 1 to Fig. 4, the utility model mould ingate excises mechanism automatically and is applied in the plastic mould, be used to produce a product 10, this plastic mould comprises a caster 001, a male model plate 002 and a liftout plate 005, plastic cement filling moulding one plastic cement products 10 and runner 11 behind this mould matched moulds, the glue-feeder of this runner 11 designs for side gate.This mould ingate excises mechanism automatically and comprises a location board 20, a thimble 30, a rotary cutter 40, a fork 50, a connecting rod 60 and a cylinder 70.
This location board 20 is fixedly arranged in this male model plate 002, and be provided with a manhole in this mould open/close direction, this thimble 30 is movably set in the below of this mould gate, its lower end is fixedly arranged on this liftout plate 003, its main body runs through this male model plate 002 and this location board 20, and can be up and down in this locatees the manhole of board 20.
But the main body of this rotary cutter 40 be columnar structured and left rotation and right rotation be sheathed on this thimble 30, glue-feeder when its upper end is provided with a spill edge of a knife 41 as these product 10 moulding, but its left rotation and right rotation ground, lower end inserts the manhole of this location board 20 and the gap of this thimble 30, also be provided with a hexagon force structure 42 on the main body of this rotary cutter 40, but be snapped on this location board 20 to these hexagon force structure 42 left rotation and right rotation, this hexagon force structure is added twisting force drive rotary cutter 40 and is rotated, thereby this spill edge of a knife 41 of these rotary cutter 40 upper ends makes this runner 11 separate fully with this plastic cement products 10 the complete cut-out of cast gate;
One end of this fork 50 is provided with a hexagon through hole, the hexagon force structure 42 of the size of this hexagon through hole and this rotary cutter 40 big or small suitable, and these fork 50 nationalitys are sheathed on this rotary cutter 40 by this hexagon through hole; The other end of this fork 50 begins to have a strip through hole guide runner.One end of this connecting rod 60 is welded on the piston of this cylinder 70 the two is become one, and its other end is articulated on the strip through hole guide runner of this fork 50 by a pin.This cylinder 70 is fixedly arranged on the outside of this male model plate 002, and the piston of this cylinder 70 provides the driving force of front-rear reciprocation movement, and this driving force is converted to the torsion that makes these rotary cutter 40 left rotation and right rotation by this connecting rod 60 and this fork 50.
The course of work: when plastic cement sand off and pressurize cooling, the piston forward of this cylinder 70 is released, promote these fork 50 counter-clockwise swings by this connecting rod 60, thereby making this rotary cutter 40 is that rotating shaft is rotated counterclockwise with this thimble 30, the spill edge of a knife 42 of its upper end makes this runner 11 separate fully with this plastic cement products 10 the complete cut-out of cast gate; After cooling forming finishes, this mould die sinking, this liftout plate moves upward, and the ejecting mechanism of mould ejects this product 10, and this thimble 30 ejects this runner 11 simultaneously; This liftout plate 003 resets then, the mould matched moulds, and the piston of this cylinder 70 resets and the mating reaction by this connecting rod 60 and this fork 50 backward simultaneously, this rotary cutter 40 is turned clockwise reset, and mould enters next molding cycle.
Embodiment 2
Please refer to Fig. 5, in the present embodiment, this fork 50 among the embodiment 1 is replaced to a gear 80, these gear 80 centers offer a hexagon through hole, the hexagon force structure 42 of the size of this hexagon through hole and this rotary cutter 40 big or small suitable, these gear 80 nationalitys are sheathed on this rotary cutter 40 by this hexagon through hole; This connecting rod 60 among the embodiment 1 is replaced to a tooth bar 90, and an end of this tooth bar 90 is riveted on the piston of this cylinder 70, and tooth and this gear 80 on its other end side are meshing with each other.
The course of work: when plastic cement sand off and pressurize cooling, the piston forward of this cylinder 70 is released, promoting this tooth bar 90 travels forward, because the engagement of this tooth bar 90 and this gear 80, this gear 80 is rotated counterclockwise, thereby making this rotary cutter 40 is that rotating shaft is rotated counterclockwise with this thimble 30, and the spill edge of a knife 42 of its upper end makes this runner 11 separate fully with this plastic cement products 10 the complete cut-out of cast gate; After cooling forming finishes, this mould die sinking, this liftout plate 003 moves upward, and the ejecting mechanism of mould ejects this product 10, and this thimble 30 ejects this runner 11 simultaneously; This liftout plate resets then, the mould matched moulds, and the piston of this cylinder 70 resets and the mating reaction by this connecting rod 60 and this fork 50 backward simultaneously, this rotary cutter 40 is turned clockwise reset, and mould enters next molding cycle.
Compared to prior art, the utility model mould ingate excises mechanism automatically, just can be at the mould inside automatic break gate at the product cooling stage, make it to separate fully with product, save the operation that cast gate is handled after die sinking, shortened the production cycle of product, reduced production cost.
Claims (4)
1. a mould ingate excises mechanism automatically, is applied in the mould, and this mould comprises a caster, a male model plate and a liftout plate, it is characterized in that, this mould ingate excises mechanism automatically and comprises:
Certain hyte part, it comprises a location board and a thimble, this location board is fixedly arranged in this male model plate, and be provided with a manhole in the mould open/close direction, this thimble can be arranged at the below of this mould gate up and downly, its lower end is fixedly arranged on this liftout plate, and its main body runs through this male model plate, this location board and this male model benevolence, and can be up and down in the manhole of this board;
One executive component, this executive component is a rotary cutter, but its main body be columnar structured and left rotation and right rotation be sheathed on this thimble, glue-feeder when its upper end is provided with a spill edge of a knife as formed product, but its left rotation and right rotation ground, lower end inserts the manhole of this board and the gap of this thimble, also be provided with a polygon force structure on this executive component main body, but this force structure left rotation and right rotation be snapped on this location board;
One driving element, the outside that it is fixedly arranged on this male model plate is used to this executive component that driving force is provided;
One transmission component, it comprises one first actuated element and one second actuated element, one end of this first actuated element is connected on this driving element, its other end and this second actuated element is hinged or the engagement, this second actuated element engage sleeves is located on the polygon force structure of this executive component, and the driving force of this driving element is converted to the torsion that makes this executive component rotation by this transmission component.
2. mould ingate according to claim 1 excises mechanism automatically, it is characterized in that, this driving element is a cylinder, and the piston rod of this cylinder provides the driving force of front-rear reciprocation movement, and this driving force is converted to the torsion that makes this executive component left rotation and right rotation by this transmission component.
3. mould ingate according to claim 1 and 2 excises mechanism automatically, it is characterized in that, this first actuated element is a connecting rod, this second actuated element is a fork, one end engage sleeves of this fork is located on the polygon force structure of this executive component, its other end is provided with a guide runner, and an end of this connecting rod is fixed on the piston of this cylinder, and its other end is articulated on the guide runner of this fork movably.
4. mould ingate according to claim 1 and 2 excises mechanism automatically, it is characterized in that, this first actuated element is a gear, this second actuated element is a tooth bar, this gear engage sleeves is located on the polygon force structure of this executive component, this tooth bar one end is fixed on the piston of this cylinder, and the tooth of its side meshes this gear and carries out power transmission.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011200775204U CN202071302U (en) | 2011-03-23 | 2011-03-23 | Automatic cutoff mechanism for gate in mould |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2011200775204U CN202071302U (en) | 2011-03-23 | 2011-03-23 | Automatic cutoff mechanism for gate in mould |
Publications (1)
Publication Number | Publication Date |
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CN202071302U true CN202071302U (en) | 2011-12-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN2011200775204U Expired - Lifetime CN202071302U (en) | 2011-03-23 | 2011-03-23 | Automatic cutoff mechanism for gate in mould |
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CN (1) | CN202071302U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102689420A (en) * | 2011-03-23 | 2012-09-26 | 汉达精密电子(昆山)有限公司 | In-mold gate automatic resection mechanism |
CN103203845A (en) * | 2012-01-13 | 2013-07-17 | 苏州汉扬精密电子有限公司 | Mechanism for in-mould automatic cutting of sprue |
CN103770284A (en) * | 2012-10-24 | 2014-05-07 | 汉达精密电子(昆山)有限公司 | Mechanism capable of automatically twisting stub bars |
CN106273283A (en) * | 2016-08-30 | 2017-01-04 | 中山市登盈精密注塑有限公司 | Mould inner cutter withdrawal nozzle against pressure automatic cutting device |
-
2011
- 2011-03-23 CN CN2011200775204U patent/CN202071302U/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102689420A (en) * | 2011-03-23 | 2012-09-26 | 汉达精密电子(昆山)有限公司 | In-mold gate automatic resection mechanism |
CN102689420B (en) * | 2011-03-23 | 2016-07-06 | 汉达精密电子(昆山)有限公司 | Mould ingate excises mechanism automatically |
CN103203845A (en) * | 2012-01-13 | 2013-07-17 | 苏州汉扬精密电子有限公司 | Mechanism for in-mould automatic cutting of sprue |
CN103203845B (en) * | 2012-01-13 | 2016-03-09 | 苏州汉扬精密电子有限公司 | The mechanism of automatic break gate in mould |
CN103770284A (en) * | 2012-10-24 | 2014-05-07 | 汉达精密电子(昆山)有限公司 | Mechanism capable of automatically twisting stub bars |
CN103770284B (en) * | 2012-10-24 | 2016-03-09 | 汉达精密电子(昆山)有限公司 | Automatically stub bar mechanism is twisted |
CN106273283A (en) * | 2016-08-30 | 2017-01-04 | 中山市登盈精密注塑有限公司 | Mould inner cutter withdrawal nozzle against pressure automatic cutting device |
CN106273283B (en) * | 2016-08-30 | 2019-01-22 | 中山市登盈精密注塑有限公司 | Mould inner cutter withdrawal nozzle automatic cutting device against pressure |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20111214 Effective date of abandoning: 20160706 |
|
C25 | Abandonment of patent right or utility model to avoid double patenting |