CN104708774B - A kind of ratchet-type screw thread starting point resetting means - Google Patents
A kind of ratchet-type screw thread starting point resetting means Download PDFInfo
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- CN104708774B CN104708774B CN201510121214.9A CN201510121214A CN104708774B CN 104708774 B CN104708774 B CN 104708774B CN 201510121214 A CN201510121214 A CN 201510121214A CN 104708774 B CN104708774 B CN 104708774B
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- ratchet
- chute
- screw thread
- double linked
- linked wheel
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Abstract
The invention discloses a kind of ratchet-type screw thread starting point resetting means, including ratchet double linked wheel (1), ratchet (2), chute (3), spring (4).The top of the ratchet double linked wheel that the present invention adopts is the ratchet of single tooth of rotate counterclockwise stop, the bottom of ratchet double linked wheel is the gear of cylindrical straight gear, the left end of ratchet is provided with pawl head, and the front and back sides of ratchet right part are provided with slide rail, and chute is provided with the track slot with the slide rail cooperation of ratchet；The fixedly sleeved bottom in rotating core of ratchet double linked wheel, chute is fixedly connected with dynamic model support plate, and spring is against the right-hand member of ratchet, and the pawl head of ratchet is contacted with the outer rim Elastic Sliding of ratchet；During the demoulding, rotating core turns clockwise, the rotatable any circle of rotating core and ratchet not by ratchet stop until the thread products demoulding；During reset; rotating core rotate counterclockwise; in the range of a circle, ratchet is made the technical scheme of screw thread starting point reset by ratchet stop; the screw thread starting point of screw thread class injection mold is made to reset; reach mitigation workload, improved efficiency, eliminate waste product, reduces cost, adapt to the purpose that large-scale production requires.
Description
Technical field
The present invention relates to the screw thread core pulling device of injection mold, specifically refer to be positioned to for the screw thread starting point of product
A kind of ratchet-type screw thread starting point resetting means of the screw thread class injection mold asked.
Background technology
Screw thread class injection-molded item divides single head multi-turn helicitic texture and individual pen multiple thread structure, present document relates to single head multi-turn
The injection mold of helicitic texture injection-molded item, refering to Fig. 4.Require higher screw thread class injection-molded item must adopt the spiral demoulding,
The spiral demoulding is generally using being located at motor, oil motor or the oil cylinder of mold exterior through speed reduction gearing or rack drives mould
Internal screw thread rotation core rotates out screw thread injection-molded item vertically.After the demoulding, the screw thread starting point of screw thread rotation core
The orientation stopping is arbitrary, in order to ensure the concordance of injection-molded item screw thread starting point, is necessary for making spiral shell before each matched moulds
The screw thread starting point of stricture of vagina rotating core resets.
The reset of screw thread starting point has artificial process and oil cylinder method, and wherein, artificial process is taken after article removal, by manually borrowing
Help specific purpose tool, rotate thread core and elastic positioning pin butt, so that the screw thread starting point of thread core is resetted.Manual reset method
Have that efficiency is low and human negligence, if not resetting waste product can be produced with regard to matched moulds, additionally, must Attended mode and workload when producing
Greatly, the large-scale production being not suitable with unmanned one people's multimachine requires.Oil cylinder method is taken to be provided with a mold to be controlled by oil cylinder and is driven
Dynamic fastening screw, before the rotation of article removal thread core, fastening screw is first extracted out from thread core by oil cylinder, thread core
The rotary core pulling demoulding again, during mould matched moulds, when the thread core of rotation and fastening screw meet, fastening screw is inserted into by oil cylinder
Make thread core reset in thread core to position；In actual motion, lead to waste product because oil cylinder easily breaks down, and be difficult
Find, therefore the reliability of oil cylinder reduced method is relatively low, maintenance is big, maintenance cost is high；Therefore, prior art exist workload big,
Efficiency is low, percent defective is high, high cost, is not suitable with the problems and shortcomings of large-scale production requirement.
Content of the invention
The problems and shortcomings existing for above-mentioned prior art, the present invention is using by ratchet double linked wheel, ratchet, chute, bullet
The device that spring is constituted, the top of ratchet double linked wheel is the ratchet of single tooth of rotate counterclockwise stop, and the bottom of ratchet double linked wheel is
The gear of cylindrical straight gear, the left end of ratchet is provided with pawl head, and the front and back sides of ratchet right part are provided with slide rail, and chute is provided with and ratchet
The track slot of slide rail cooperation；The fixedly sleeved bottom in rotating core of ratchet double linked wheel, chute is fixedly connected with dynamic model support plate, spring
It is against the right-hand member of ratchet, the pawl head of ratchet is contacted with the outer rim Elastic Sliding of ratchet；During work, the driving means of mould are through gear
Drive ratchet double linked wheel and rotating core rotation；During the demoulding, overlook, rotating core turns clockwise, rotatable of rotating core
Meaning circle and ratchet not by ratchet stop until the thread products demoulding；During reset, rotating core rotate counterclockwise, in the scope of a circle
Handle ratchet wheel by ratchet stop, the technical scheme of the screw thread starting point reset of rotating core, provides a kind of ratchet-type screw initial thread
Point resetting means, it is intended to make the screw thread starting point of screw thread class injection mold reset, reaches mitigation workload, improves efficiency, elimination
Waste product, reduces cost, adapt to the purpose that large-scale production requires.
The object of the present invention is achieved like this：A kind of ratchet-type screw thread starting point resetting means, including ratchet double linked wheel,
Ratchet, chute, spring, wherein：Described ratchet double linked wheel is the steel components of up-small and down-big cylinder step, ratchet double linked wheel
Center be provided with the manhole of above-below direction and be referred to as axis hole, the outer rim of the top small stair of ratchet double linked wheel is rotate counterclockwise
The ratchet of single tooth of stop, the outer rim of the big step in bottom of ratchet double linked wheel is the gear of cylindrical straight gear；
Described ratchet is the steel components of rectangular block shape, and the left part of ratchet is referred to as pawl head, and the left side of described pawl head is
The cambered surface of circular arc, before and after ratchet right part, two side faces are respectively equipped with that protrusion, cross section be rectangular, left and right directions flange is referred to as
Slide rail；
Before and after described chute is and the right is provided with horizontal frame, overlooks opening steel structure to the left, block in ∏ font
Part, before and after chute, frame is provided with the track slot with the described slide rail cooperation of ratchet；
Described spring is cylindroid helical-coil compression spring；
The fixedly sleeved bottom in rotating core of ratchet double linked wheel, the described slide rail of ratchet is slided with the described track slot of chute
It is fastened and connected, chute is fixedly connected with dynamic model support plate, spring is against between the right side of ratchet and the left frame of chute, by spring
Effect, the pawl head of ratchet is contacted with the outer rim Elastic Sliding of ratchet.
The direction face of said structure statement is divided into up, down, left, right, front, rear side, wherein, before be in the face of this device main view
The face of figure, after be and described above relative face.
Operation principle and beneficial effect
During work, the rotating driving device of mould rotates through gear driven ratchet double linked wheel and rotating core；During the demoulding, bow
Depending on, rotating core turns clockwise, the rotatable any circle of rotating core and ratchet not by ratchet stop until the thread products demoulding；
During reset, rotating core rotate counterclockwise, one circle in the range of ratchet i.e. by ratchet stop so that the screw thread of rotating core rises
Initial point resets；
The rotating driving device of described mould refers to, is arranged in screw thread class injection mold, for driving core rotation
Device；Specifically can be driven by motor or oil motor, be exported by output gear through decelerator, engagement drives described in this device
The device of pinion rotation, or by hydraulic oil cylinder driving, the device through rack gear, the described pinion rotation engaging this device.
This apparatus structure is simple, and reliable operation makes the screw thread starting point of screw thread class injection mold reset, alleviates work
Measure, improve efficiency, eliminate waste product, reduce cost.
Above-mentioned, the present invention is using the device being made up of ratchet double linked wheel, ratchet, chute, spring, the top of ratchet double linked wheel
For the ratchet of single tooth of rotate counterclockwise stop, the bottom of ratchet double linked wheel is the gear of cylindrical straight gear, and the left end of ratchet is provided with
Pawl head, the front and back sides of ratchet right part are provided with slide rail, and chute is provided with the track slot with the slide rail cooperation of ratchet；Ratchet double linked wheel is fixed
It is socketed in the bottom of rotating core, chute is fixedly connected with dynamic model support plate, spring is against the right-hand member of ratchet, the pawl head of ratchet and spine
The outer rim Elastic Sliding contact of wheel；During work, the driving means of mould rotate through gear driven ratchet double linked wheel and rotating core；
During the demoulding, overlook, rotating core turns clockwise, the rotatable any circle of rotating core and ratchet be not by ratchet stop until screw thread
Article removal；During reset, rotating core rotate counterclockwise, one circle in the range of ratchet i.e. by ratchet stop, rotating core
The technical scheme that screw thread starting point resets, overcomes prior art and has that workload is big, efficiency is low, percent defective is high, high cost, no
The problems and shortcomings that large-scale production requires, a kind of ratchet-type screw thread starting point resetting means being provided are provided, make screw thread class
The screw thread starting point of injection mold resets, and has reached mitigation workload, has improved efficiency, eliminates waste product, reduces cost, has adapted to scale
Change the purpose of production requirement.
Brief description
Fig. 1 is a kind of ratchet-type screw thread starting point resetting means of the present invention, in the rotating core 01 of application mould
Main view cross section structure diagram；
Fig. 2 is a kind of overlooking the structure diagram of ratchet-type screw thread starting point resetting means of the present invention；；
Fig. 3 is a kind of ratchet-type screw thread starting point resetting means of the present invention, in the rotating core 01 of application mould
Axonometric schematic diagram；
Fig. 4 is a kind of axonometric schematic diagram of the thread products 03 of single head multi-turn helicitic texture.
Embodiment in below in conjunction with the accompanying drawings is described in further detail to the present invention, but should not be construed as to the present invention's
Any restriction.
In figure：Ratchet double linked wheel 1, ratchet 11, gear 12, ratchet 2, chute 3, spring 4, rotating core 01, axis 02, spiral shell
Stricture of vagina product 03.
Specific embodiment
Refering to Fig. 1～Fig. 3, a kind of ratchet-type screw thread starting point resetting means of the present invention, including ratchet double linked wheel 1, spine
Pawl 2, chute 3, spring 4, wherein：Described ratchet double linked wheel 1 is the steel components of up-small and down-big cylinder step, ratchet duplex
The manhole that the center of wheel 1 is provided with above-below direction is referred to as axis hole, and the outer rim of the top small stair of ratchet double linked wheel 1 is counterclockwise
The ratchet 11 of single tooth of rotation stop, the outer rim of the big step in bottom of ratchet double linked wheel 1 is the gear 12 of cylindrical straight gear；
Described ratchet 2 is the steel components of rectangular block shape, and the left part of ratchet 2 is referred to as pawl head, the left side of described pawl head
For the cambered surface of circular arc, before and after ratchet 2 right part, two side faces are respectively equipped with that protrusion, cross section be rectangular, left and right directions flange
Referred to as slide rail；
Described chute 3 is in front and back and the right is provided with horizontal frame, overlooks opening steel structure to the left, block in ∏ font
Part, before and after chute 3, frame is provided with the track slot with the described slide rail cooperation of ratchet 2；
Described spring 4 is cylindroid helical-coil compression spring；
The fixedly sleeved bottom in rotating core 01 of ratchet double linked wheel 1, the described slide rail of ratchet 2 and the described rail of chute 3
Groove slides and is fastened and connected, and chute 3 is fixedly connected with dynamic model support plate, and spring 4 is against the right side of ratchet 2 and the left frame of chute 3
Between, acted on by spring 4, the pawl head of ratchet 2 is contacted with the outer rim Elastic Sliding of ratchet 11.
The direction face of said structure statement is divided into up, down, left, right, front, rear side, wherein, before be in the face of this device main view
The face of figure, after be and described above relative face.
Operation principle and beneficial effect
During work, the rotating driving device of mould drives ratchet double linked wheel 1 and rotating core 01 to rotate through gear 12；The demoulding
When, overlook, rotating core 01 turns clockwise, the rotatable any circle of rotating core 01 and ratchet 11 not by ratchet 2 stop until
Thread products 03 demoulding；During reset, rotating core 01 rotate counterclockwise, one circle in the range of ratchet 11 i.e. by ratchet 2 stop,
The screw thread starting point making rotating core 01 resets；
The rotating driving device of described mould refers to, is arranged in screw thread class injection mold, for driving core rotation
Device；Specifically can be driven by motor or oil motor, be exported by output gear through decelerator, engagement drives described in this device
Gear 12 rotate device, or by hydraulic oil cylinder driving, through rack gear, engage the dress that the described gear 12 of this device rotates
Put.
This apparatus structure is simple, and reliable operation makes the screw thread starting point of screw thread class injection mold reset, alleviates work
Measure, improve efficiency, eliminate waste product, reduce cost.
Claims (1)
1. a kind of ratchet-type screw thread starting point resetting means, including ratchet double linked wheel (1), ratchet (2), chute (3), spring (4),
It is characterized in that：Described ratchet double linked wheel (1) is the steel components of up-small and down-big cylinder step, ratchet double linked wheel (1)
The manhole that center is provided with above-below direction is referred to as axis hole, and the outer rim of the top small stair of ratchet double linked wheel (1) is counterclockwise rotation
Turn the ratchet (11) of single tooth of stop, the outer rim of the big step in bottom of ratchet double linked wheel (1) is the gear (12) of cylindrical straight gear；
Described ratchet (2) is the steel components of rectangular block shape, and the left part of ratchet (2) is referred to as pawl head, the left side of described pawl head
For the cambered surface of circular arc, before and after ratchet (2) right part, to be respectively equipped with protrusion, cross section rectangular, left and right directions convex for two side faces
Edge is referred to as slide rail；
Before and after described chute (3) is and the right is provided with horizontal frame, overlooks opening steel structure to the left, block in ∏ font
Part, before and after chute (3), frame is provided with the track slot with the described slide rail cooperation of ratchet (2)；
Described spring (4) is cylindroid helical-coil compression spring；
The institute of the fixedly sleeved bottom in rotating core (01) of ratchet double linked wheel (1), the described slide rail of ratchet (2) and chute (3)
State track slot slip to be fastened and connected, chute (3) is fixedly connected with dynamic model support plate, and spring (4) is against right side and the chute of ratchet (2)
(3), between left frame, by spring (4) effect, the pawl head of ratchet (2) is contacted with the outer rim Elastic Sliding of ratchet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121214.9A CN104708774B (en) | 2015-03-11 | 2015-03-11 | A kind of ratchet-type screw thread starting point resetting means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510121214.9A CN104708774B (en) | 2015-03-11 | 2015-03-11 | A kind of ratchet-type screw thread starting point resetting means |
Publications (2)
| Publication Number | Publication Date |
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| CN104708774A CN104708774A (en) | 2015-06-17 |
| CN104708774B true CN104708774B (en) | 2017-03-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510121214.9A Active CN104708774B (en) | 2015-03-11 | 2015-03-11 | A kind of ratchet-type screw thread starting point resetting means |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106042280B (en) * | 2016-06-28 | 2018-01-09 | 浙江哈尔斯真空器皿股份有限公司 | The stopping means of plastic cement screw thread box cover die based on fluid motor-driven |
| CN108481686B (en) * | 2018-04-17 | 2023-12-19 | 沈阳航天新光汽车零部件有限公司 | Screw thread core release mechanism of injection mold of automobile plastic intake manifold |
| CN110497588A (en) * | 2019-01-11 | 2019-11-26 | 仲从宝 | Retaining structure mold |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102328411A (en) * | 2011-09-06 | 2012-01-25 | 顺德职业技术学院 | Reset mechanism of mold push plate |
| CN102601933B (en) * | 2012-02-26 | 2014-09-24 | 宁波思迈工业科技有限公司 | Threaded core pulling device with automatically reset thread starting point |
| CN102873836B (en) * | 2012-09-19 | 2014-10-22 | 宁波双林模具有限公司 | Threaded core start angle device with precise resetting function |
| CN103129478B (en) * | 2013-03-04 | 2014-12-10 | 唐山轨道客车有限责任公司 | Strap winding device and luggage rack |
| CN204487988U (en) * | 2015-03-11 | 2015-07-22 | 宁波双林模具有限公司 | A kind of ratchet-type screw thread starting point resetting means |
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| CN104708774A (en) | 2015-06-17 |
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