CN204487988U - 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
- Publication number
- CN204487988U CN204487988U CN201520157077.XU CN201520157077U CN204487988U CN 204487988 U CN204487988 U CN 204487988U CN 201520157077 U CN201520157077 U CN 201520157077U CN 204487988 U CN204487988 U CN 204487988U
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- CN
- China
- Prior art keywords
- ratchet
- chute
- screw thread
- double linked
- linked wheel
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- Withdrawn - After Issue
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Abstract
The utility model provides a kind of ratchet-type screw thread starting point resetting means, comprises ratchet double linked wheel (1), ratchet (2), chute (3), spring (4).The top of the ratchet double linked wheel that the utility model adopts is the ratchet of the single tooth being rotated 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 is provided with slide rail, and chute is provided with the rail groove coordinated with the slide rail of ratchet; The fixedly sleeved bottom at 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 contacts 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 is rotated counterclockwise; at the scope handle ratchet wheel of a circle namely by technical scheme that ratchet stop makes screw thread starting point reset; the screw thread starting point of screw thread class injection mold is resetted; reach and alleviate workload, raise the efficiency, eliminate waste product, reduce costs, adapt to the object that large-scale production requires.
Description
Technical field
The utility model relates to the screw thread core pulling device of injection mold, and the screw thread starting point specifically referring to for goods has a kind of ratchet-type screw thread starting point resetting means of the screw thread class injection mold of positioning requirements.
Background technology
Screw thread class injection-molded item divides single head multi-turn helicitic texture and individual pen multiple thread structure, relates to the injection mold of single head multi-turn helicitic texture injection-molded item herein, consults Fig. 4.Require that higher screw thread class injection-molded item must adopt the spiral demoulding, the spiral demoulding utilizes motor, oil motor or the oil cylinder being located at mold exterior to rotate screw thread injection-molded item vertically through the screw thread rotation core of speed reduction gearing or rack drives mould inside usually.After the demoulding, the orientation that the screw thread starting point of screw thread rotation core stops is arbitrary, in order to ensure the uniformity of injection-molded item screw thread starting point, the screw thread starting point of screw thread rotation core just must be made before each matched moulds to reset.
The reset of screw thread starting point has artificial process and oil cylinder method, and wherein, artificial process is taked after article removal, by artificial by specific purpose tool, rotate thread core and elastic positioning pin butt, the screw thread starting point of thread core is resetted.There is the low and human negligence of efficiency in manual reset method, can produce waste product if do not reset with regard to matched moulds, in addition, must Attended mode and workload is large during production, be not suitable with the large-scale production requirement of unmanned one people multimachine.Oil cylinder method is taked to be provided with the fastening screw being controlled driving by oil cylinder in a mold, before article removal thread core rotates, fastening screw is first extracted out by oil cylinder from thread core, the thread core rotary core pulling demoulding again, during mould matched moulds, when the thread core rotated and fastening screw meet, fastening screw inserts in thread core and makes thread core reset location by oil cylinder again; In actual motion, cause waste product because oil cylinder easily breaks down, and not easily find, therefore the reliability of oil cylinder repositioning is lower, maintenance is large, and maintenance cost is high; Therefore, prior art exists that workload is large, efficiency is low, percent defective is high, cost is high, is not suitable with the problems and shortcomings of large-scale production requirement.
Summary of the invention
For above-mentioned prior art Problems existing with not enough, the utility model adopts the device be made up of ratchet double linked wheel, ratchet, chute, spring, the top of ratchet double linked wheel is the ratchet of the single tooth being rotated 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, the front and back sides of ratchet right part is provided with slide rail, and chute is provided with the rail groove coordinated with the slide rail of ratchet; The fixedly sleeved bottom at 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 contacts with the outer rim Elastic Sliding of ratchet; During work, the drive unit of mould rotates 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 not by ratchet stop until the thread products demoulding; During reset; rotating core is rotated counterclockwise; at a scope handle ratchet wheel enclosed namely by ratchet stop; the technical scheme of the screw thread starting point reset of rotating core; a kind of ratchet-type screw thread starting point resetting means is provided; be intended to make the screw thread starting point of screw thread class injection mold to reset, reach and alleviate workload, raise the efficiency, eliminate waste product, reduce costs, adapt to the object that large-scale production requires.
The purpose of this utility model is achieved in that a kind of ratchet-type screw thread starting point resetting means, comprise 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, the manhole that the center of ratchet double linked wheel is provided with above-below direction is called axis hole, the outer rim of the top small stair of ratchet double linked wheel is the ratchet of the single tooth being rotated counterclockwise stop, and the outer rim of the large 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 called pawl head, and the left side of described pawl head is the cambered surface of circular arc, and the front and back two side faces of ratchet right part is respectively equipped with protrusion, cross section flange that is rectangular, left and right directions is called slide rail;
Described chute is that front and back and the right are provided with horizontal frame, overlook the steel components of opening left, in II font bulk, and the front and back frame of chute is provided with the rail groove coordinated with the described slide rail of ratchet;
Described spring is cylindroid helical-coil compression spring;
The fixedly sleeved bottom at rotating core of ratchet double linked wheel, the described slide rail of ratchet and the described rail groove of chute slide and are 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 action, the pawl head of ratchet contacts with the outer rim Elastic Sliding of ratchet.
The face, direction of said structure statement is divided into up, down, left, right, front, rear side, wherein, before be face in the face of this device front view, after be and described before 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, overlook, 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 is rotated counterclockwise, and at a scope handle ratchet wheel enclosed namely by ratchet stop, the screw thread starting point of rotating core is resetted;
The rotating driving device of described mould refers to, is arranged in screw thread class injection mold, the device rotated for driving core; Can be specifically the device being driven, exported by output gear through decelerator, engage the described pinion rotation driving this device by motor or oil motor, or by hydraulic oil cylinder driving, through rack-driving, the device engaging the described pinion rotation of this device.
This apparatus structure is simple, and reliable operation, makes the screw thread starting point of screw thread class injection mold reset, alleviate workload, improve efficiency, eliminate waste product, reduce cost.
Above-mentioned, the utility model adopts the device be made up of ratchet double linked wheel, ratchet, chute, spring, the top of ratchet double linked wheel is the ratchet of the single tooth being rotated 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, the front and back sides of ratchet right part is provided with slide rail, and chute is provided with the rail groove coordinated with the slide rail of ratchet; The fixedly sleeved bottom at 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 contacts with the outer rim Elastic Sliding of ratchet; During work, the drive unit of mould rotates 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 not by ratchet stop until the thread products demoulding; During reset; rotating core is rotated counterclockwise; at a scope handle ratchet wheel enclosed namely by ratchet stop; the technical scheme of the screw thread starting point reset of rotating core; overcome prior art and have that workload is large, efficiency is low, percent defective is high, cost is high; be not suitable with the problems and shortcomings of large-scale production requirement; a kind of ratchet-type screw thread starting point resetting means provided; the screw thread starting point of screw thread class injection mold is resetted; reach and alleviate workload, raise the efficiency, eliminate waste product, reduce costs, adapt to the object that large-scale production requires.
Accompanying drawing explanation
Fig. 1 is a kind of ratchet-type screw thread starting point resetting means of the present utility model, and the master being arranged in the rotating core 01 of application mould looks sectional structure schematic diagram;
Fig. 2 is the plan structure schematic diagram of a kind of ratchet-type screw thread starting point resetting means of the present utility model; ;
Fig. 3 is a kind of ratchet-type screw thread starting point resetting means of the present utility model, and the axle being arranged in the rotating core 01 of application mould measures intention;
Fig. 4 is that a kind of axle of thread products 03 of single head multi-turn helicitic texture measures intention.
Below in conjunction with the embodiment in accompanying drawing, the utility model is described in further detail, but should not be construed as any restriction of the present utility model.
In figure: ratchet double linked wheel 1, ratchet 11, gear 12, ratchet 2, chute 3, spring 4, rotating core 01, axis 02, thread products 03.
Detailed description of the invention
Consult Fig. 1 ~ Fig. 3, a kind of ratchet-type screw thread starting point resetting means of the present utility model, comprise ratchet double linked wheel 1, ratchet 2, chute 3, spring 4, wherein: described ratchet double linked wheel 1 is the steel components of up-small and down-big cylinder step, the manhole that the center of ratchet double linked wheel 1 is provided with above-below direction is called axis hole, the outer rim of the top small stair of ratchet double linked wheel 1 is the ratchet 11 of the single tooth being rotated counterclockwise stop, and the outer rim of the large 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 called pawl head, and the left side of described pawl head is the cambered surface of circular arc, and the front and back two side faces of ratchet 2 right part is respectively equipped with protrusion, cross section flange that is rectangular, left and right directions is called slide rail;
Described chute 3 is that front and back and the right are provided with horizontal frame, overlook the steel components of opening left, in II font bulk, and the front and back frame of chute 3 is provided with the rail groove coordinated with the described slide rail of ratchet 2;
Described spring 4 is cylindroid helical-coil compression spring;
The fixedly sleeved bottom at rotating core 01 of ratchet double linked wheel 1, the described slide rail of ratchet 2 and the described rail groove of chute 3 slide and are fastened and connected, chute 3 is fixedly connected with dynamic model support plate, spring 4 is against between the right side of ratchet 2 and the left frame of chute 3, act on by spring 4, the pawl head of ratchet 2 contacts with the outer rim Elastic Sliding of ratchet 11.
The face, direction of said structure statement is divided into up, down, left, right, front, rear side, wherein, before be face in the face of this device front view, after be and described before 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; During the demoulding, 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 is rotated counterclockwise, and at a scope handle ratchet wheel 11 enclosed namely by ratchet 2 stop, the screw thread starting point of rotating core 01 is resetted;
The rotating driving device of described mould refers to, is arranged in screw thread class injection mold, the device rotated for driving core; Can be specifically driven by motor or oil motor, exported by output gear through decelerator, device that engagement drives the described gear 12 of this device to rotate, or by hydraulic oil cylinder driving, the device that rotates through rack-driving, the described gear 12 that engages this device.
This apparatus structure is simple, and reliable operation, makes the screw thread starting point of screw thread class injection mold reset, alleviate workload, improve efficiency, eliminate waste product, reduce cost.
Claims (1)
1. a ratchet-type screw thread starting point resetting means, comprise ratchet double linked wheel (1), ratchet (2), chute (3), spring (4), it is characterized in that: the steel components that described ratchet double linked wheel (1) is up-small and down-big cylinder step, the manhole that the center of ratchet double linked wheel (1) is provided with above-below direction is called axis hole, the outer rim of the top small stair of ratchet double linked wheel (1) is the ratchet (11) of the single tooth being rotated counterclockwise stop, the outer rim of the large step in bottom of ratchet double linked wheel (1) is the gear (12) of cylindrical straight gear,
The steel components that described ratchet (2) is rectangular block shape, the left part of ratchet (2) is called pawl head, the left side of described pawl head is the cambered surface of circular arc, and the front and back two side faces of ratchet (2) right part is respectively equipped with protrusion, cross section flange that is rectangular, left and right directions is called slide rail;
Described chute (3) is provided with horizontal frame, overlooks the steel components of opening left, in II font bulk for front and back and the right, and the front and back frame of chute (3) is provided with the rail groove coordinated with the described slide rail 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 groove of chute (3) slide and are fastened and connected, chute (3) is fixedly connected with dynamic model support plate, spring (4) is against between the right side of ratchet (2) and the left frame of chute (3), by spring (4) effect, the pawl head of ratchet (2) contacts with the outer rim Elastic Sliding of ratchet (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520157077.XU CN204487988U (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 |
|---|---|---|---|
| CN201520157077.XU CN204487988U (en) | 2015-03-11 | 2015-03-11 | A kind of ratchet-type screw thread starting point resetting means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204487988U true CN204487988U (en) | 2015-07-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520157077.XU Withdrawn - After Issue CN204487988U (en) | 2015-03-11 | 2015-03-11 | A kind of ratchet-type screw thread starting point resetting means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204487988U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708774A (en) * | 2015-03-11 | 2015-06-17 | 宁波双林模具有限公司 | Ratchet wheel type thread initial point resetting device |
| CN111204015A (en) * | 2020-03-11 | 2020-05-29 | 嘉亨家化股份有限公司 | Bottle cap injection mold with quickly-positioned adjustable thread start teeth |
-
2015
- 2015-03-11 CN CN201520157077.XU patent/CN204487988U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104708774A (en) * | 2015-03-11 | 2015-06-17 | 宁波双林模具有限公司 | Ratchet wheel type thread initial point resetting device |
| CN111204015A (en) * | 2020-03-11 | 2020-05-29 | 嘉亨家化股份有限公司 | Bottle cap injection mold with quickly-positioned adjustable thread start teeth |
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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 | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150722 Effective date of abandoning: 20171114 |