CN211968271U - Novel plastic ribbon die - Google Patents
Novel plastic ribbon die Download PDFInfo
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- CN211968271U CN211968271U CN202020599715.4U CN202020599715U CN211968271U CN 211968271 U CN211968271 U CN 211968271U CN 202020599715 U CN202020599715 U CN 202020599715U CN 211968271 U CN211968271 U CN 211968271U
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- ejector pin
- plate
- ribbon
- novel plastic
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Abstract
The utility model relates to a novel plastic ribbon mould, which comprises an upper template and a lower template, wherein a fixed mould core is fixed on the upper template, a movable mould core is fixed on the lower template, a lower sealing plate is arranged at the lower side of the lower template, square iron and an ejection mechanism are arranged between the lower template and the lower sealing plate, and the ejection mechanism comprises an ejector pin, an ejector pin bottom plate and an ejector pin panel; the upside of cope match-plate pattern still is equipped with guide plate, last shrouding in proper order, and the center of going up the shrouding is equipped with the pan feeding mouth, be equipped with in the guide plate with the hot runner of pan feeding mouth intercommunication, the downside of the body of hot runner is equipped with the shunt tubes more than two, is equipped with the pouring point hole with the shunt tubes intercommunication in the cover half benevolence, is equipped with the guiding gutter with pouring point hole intercommunication in the movable mould benevolence. The pouring structure in the application can enable the sol to quickly fill the die cavity, and quality defects caused by material shortage can be avoided; through setting up the thimble of multiunit different shapes, can effectively reduce the atress of ribbon head in drawing of patterns in-process, avoid drawing of patterns in-process to cause ribbon head to warp.
Description
Technical Field
The utility model relates to a ribbon technique of moulding plastics, especially a novel plastics ribbon mould.
Background
A Cable Tie (also called a Cable Tie, a binding tape, or a locking tape) is a tape used for bundling things. Generally, the binding tape can be divided into nylon binding tapes, stainless steel binding tapes, plastic-sprayed stainless steel binding tapes and the like according to materials, and can be divided into common binding tapes, withdrawable binding tapes, label binding tapes, fixed locking binding tapes, bolt binding tapes, heavy tension binding tapes and the like according to functions. The plastic ribbon (nylon ribbon, teflon ribbon) is usually designed with a backstop function, can only be tightened more and more, has the characteristics of quick bundling, good insulation property, self-locking fastening, convenient use and the like, is widely applied to fixing wires in electronic factories, televisions and computers, fixing circuits in products such as lamp decorations, electronic toys and the like, fixing oil pipelines of mechanical equipment, fixing cable circuits and the like.
Chinese patent document with publication number CN102700062A discloses a "teflon ribbon mold", which is equipped with a sprue on the mold core, and one side of the sprue is equipped with a set of runners, and the injection molding is performed simultaneously through adopting a plurality of runners, so that the production efficiency is high, and the teflon ribbon has even texture and good bundling effect. However, according to the technical scheme disclosed in the document, the gate is located at the center of the mold core, and the gate is directly connected with each runner, because the distance between the gate and each runner is different, the runner far away from the gate is easy to have material shortage to cause product defects, and the pouring structure design is not reasonable.
Chinese patent document No. CN203779758U discloses "an improved ribbon mold", which includes a front mold, a rear mold and an ejector plate, wherein the front mold and the rear mold are fastened in a non-fixed manner to form a mold core, the ejector plate is disposed on the rear mold, the ejector pins on the ejector plate eject out the rear mold and contact with a ribbon molded by casting in the mold core, the ejector pins are two groups, one ejector pin contacts with a tail end of a ribbon rack, the other ejector pin contacts with a ribbon head, and the problem that the ribbon cannot automatically fall off from the mold is solved. However, the ejection structure in the document is not designed reasonably, and the quality defect of the cable tie is easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel plastics ribbon mould for solve the unreasonable problem of pouring structure, ejecting structural design of current ribbon mould.
In order to solve the problems, the utility model provides a novel plastic ribbon die, which comprises an upper die plate and a lower die plate, wherein a fixed die core is fixed on the upper die plate, a movable die core is fixed on the lower die plate, a lower sealing plate is arranged at the lower side of the lower die plate, square iron and an ejection mechanism are arranged between the lower die plate and the lower sealing plate, the ejection mechanism comprises an ejector pin, an ejector pin bottom plate and an ejector pin panel, the ejector pin bottom plate is fixed on the lower sealing plate, the ejector pin panel is arranged on the ejector pin bottom plate, the ejector pin is arranged in an ejector pin mounting hole of the ejector pin panel in a penetrating way, the ejector pin comprises two groups of ejector pins, two groups of round ejector pins and a group of central ejector pin, the central ejector pin is positioned below a flow channel waste, the square ejector pin is positioned below the head part of the ribbon, the round top pin is positioned below the root part of the ribbon body of, the movable mould core is provided with a thimble hole matched with the thimble in shape, the upper side of the upper mould plate is also sequentially provided with a guide plate and an upper sealing plate, the center of the upper sealing plate is provided with a feeding hole, the guide plate is internally provided with a hot runner communicated with the feeding hole, the lower side of the body of the hot runner is provided with more than two shunt tubes, the upper mould plate is provided with through holes for the shunt tubes to pass through, the fixed mould core is provided with pouring point holes communicated with the shunt tubes, and the movable mould core is provided with a diversion trench communicated with the pouring point holes.
The utility model provides a novel plastics ribbon mould still has following technical characteristic:
furthermore, the guide grooves on the movable die core comprise two vertical guide grooves and a plurality of transverse guide grooves perpendicular to the vertical guide grooves, and the vertical guide grooves are communicated through the transverse guide grooves; the central thimble is positioned below the middle part of the transverse diversion trench.
Furthermore, the square thimble includes canned paragraph and ejecting section, the canned paragraph is cylindricly, ejecting section's cross section is the rectangle, the canned paragraph is located ejecting section's downside.
Furthermore, the ejection mechanism further comprises a guide rod penetrating through the ejector pin panel and the lower template.
Furthermore, the center of the upper sealing plate is also provided with a positioning counter bore communicated with the feeding port, and a positioning ring communicated with the feeding port is arranged in the positioning counter bore.
Furthermore, a cavity is arranged in the guide plate, and the hot runner is installed in the cavity.
Furthermore, a temperature sensor for detecting temperature is further arranged on the body of the hot runner.
Furthermore, an auxiliary electric heater is also arranged on the body of the hot runner.
Furthermore, a plurality of guide pillars are arranged on the lower template, and a plurality of guide sleeves matched with the guide pillars are arranged on the upper template.
Furthermore, water cooling pipelines are further arranged on the upper template and the lower template.
The utility model discloses following beneficial effect has: by additionally arranging the guide plate and the hot runner, more than two shunt tubes are arranged on the lower side of the body of the hot runner, and the shunt tubes are communicated with the filling point holes in the fixed die core, so that the flow area of the sol can be increased, the distance between the filling point holes and the farthest ends of the guide grooves is reduced, the sol can be quickly filled into a die cavity, and the quality defect caused by material shortage can be avoided; by arranging a plurality of groups of thimbles with different shapes, the central thimble is positioned below the runner waste, force can be applied to the middle part of the movable die core to jack up the ribbons on two sides through the runner waste connected with the ribbon product for demolding, so that the stress of the ribbon product in the demolding process can be reduced, and the damage to the ribbons in the demolding process can be effectively reduced; the square thimble below the head of the ribbon can effectively act on the head of the ribbon, the square thimble is contacted with the side wall of the head of the ribbon, can reliably abut against the lower side of the head of the ribbon, and the lower side of the head of the ribbon is ejected in the demolding process; the lower round thimble positioned at the root of the belt body of the binding belt can ensure that the belt body of the binding belt is reliably separated from the movable die core, can also reduce the stress of the head of the binding belt, and avoid the damage caused by overlarge stress of the head of the binding belt in the demoulding process; through setting up the thimble of multiunit different shapes, can effectively reduce the atress of ribbon head in drawing of patterns in-process, avoid drawing of patterns in-process to cause ribbon head to warp.
Drawings
Fig. 1 is a schematic structural view of a novel plastic tie mold according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion B of FIG. 1;
fig. 4 is an exploded view of an ejection mechanism in an embodiment of the invention;
fig. 5 is a schematic structural diagram of an ejection mechanism in an embodiment of the present invention;
FIG. 6 is an enlarged view of a portion C of FIG. 5;
fig. 7 is a cross-sectional view of an ejection mechanism in an embodiment of the present invention;
fig. 8 is a schematic structural diagram of a pouring structure in an embodiment of the present invention;
fig. 9 is a schematic structural view of a core insert according to an embodiment of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In one embodiment of the novel plastic tie mold of the present invention as shown in fig. 1 to 9, the novel plastic tie mold of this embodiment includes an upper mold plate 10 and a lower mold plate 20, a stationary mold core 30 is fixed on the upper mold plate 10, a movable mold core 40 is fixed on the lower mold plate 20, a lower sealing plate 60 is disposed at the lower side of the lower mold plate 20, a square iron 701 and an ejector mechanism 70 are disposed between the lower mold plate 20 and the lower sealing plate 60, the ejector mechanism 70 includes an ejector pin 71, an ejector pin bottom plate 72, and an ejector pin panel 73, the ejector pin bottom plate 72 is fixed on the lower sealing plate 60, the ejector pin panel 73 is disposed on the ejector pin bottom plate 72, the ejector pin 71 is inserted into an ejector pin mounting hole of the ejector pin panel 73, the ejector pin 71 includes two sets of square ejector pins 711, two sets of round ejector pins 712, and a set of central ejector pin 713, the central ejector pin 713 is located below a flow channel waste on the movable mold core 40, the square ejector pin 711, the lower template 20 is provided with a through hole for the thimble 71 to pass through, and the movable die core 40 is provided with a thimble hole matched with the shape of the thimble 71; the upper side of the upper die plate 10 is also sequentially provided with a guide plate 80 and an upper sealing plate 50, the center of the upper sealing plate 50 is provided with a feeding port 51, a hot runner 90 communicated with the feeding port 51 is arranged in the guide plate 80, the lower side of a body 91 of the hot runner 90 is provided with more than two shunt tubes 92, the upper die plate 10 is provided with through holes 11 for the shunt tubes 92 to pass through, the fixed die core 30 is provided with filling point holes 31 communicated with the shunt tubes 92, and the movable die core 40 is provided with a guide groove 41 communicated with the filling point holes 31.
According to the novel plastic ribbon die in the embodiment of the application, the guide plate and the hot runner are additionally arranged, more than two shunt tubes are arranged on the lower side of the body of the hot runner, and the shunt tubes are communicated with the filling point holes in the fixed die core, so that the flow area of sol can be increased, the distance between the filling point holes and the farthest ends of the guide grooves is reduced, the sol can be quickly filled into a die cavity, and the quality defect caused by material shortage can be avoided; by arranging a plurality of groups of thimbles with different shapes, the central thimble is positioned below the runner waste, force can be applied to the middle part of the movable die core to jack up the ribbons on two sides through the runner waste connected with the ribbon product for demolding, so that the stress of the ribbon product in the demolding process can be reduced, and the damage to the ribbons in the demolding process can be effectively reduced; the square thimble below the head of the ribbon can effectively act on the head of the ribbon, the square thimble is contacted with the side wall of the head of the ribbon, can reliably abut against the lower side of the head of the ribbon, and the lower side of the head of the ribbon is ejected in the demolding process; the lower round thimble positioned at the root of the belt body of the binding belt can ensure that the belt body of the binding belt is reliably separated from the movable die core, can also reduce the stress of the head of the binding belt, and avoid the damage caused by overlarge stress of the head of the binding belt in the demoulding process; through setting up the thimble of multiunit different shapes, can effectively reduce the atress of ribbon head in drawing of patterns in-process, avoid drawing of patterns in-process to cause ribbon head to warp.
In an embodiment of the present application, preferably, the guide grooves 41 on the moving die core 40 include two vertical guide grooves 411 and a plurality of transverse guide grooves 412 perpendicular to the vertical guide grooves 411, and the vertical guide grooves 411 are communicated through the transverse guide grooves 412; central spike 713 is positioned below the middle of lateral flow guide 412. By arranging the two vertical guide grooves and the plurality of transverse guide grooves, the sol can quickly flow to the die cavities through the guide grooves, so that the pressure in each die cavity is balanced when the sol is injected, and the consistency of the quality of the ribbon product is ensured; particularly, the collosol flows to the movable mould core both sides through horizontal guiding gutter, vertical guiding gutter and fills the mould die cavity, and the collosol that remains forms the runner waste material in the flow after the injecting glue finishes, and the ribbon product of vertical guiding gutter both sides links together through the runner waste material, through setting up the central thimble that is located horizontal guiding gutter below, can reduce the atress of drawing of patterns in-process ribbon product, can avoid drawing of patterns in-process ribbon atress too big damage that causes.
In an embodiment of the present application, preferably, the square thimble 711 includes a fixing section and an ejecting section, as shown in fig. 2, the fixing section is cylindrical and penetrates through the thimble panel 73, as shown in fig. 6, the ejecting section has a rectangular cross section and is located in the cavity 40, and the fixing section is located at a lower side of the ejecting section; it can be understood that the improvement of the present application lies in the structure and arrangement form of the thimble, and the driving structure of the actions of the thimble such as ejecting and retracting is the same as the existing design, and is not described herein again. Preferably, the ejector mechanism 70 further includes a guide rod 74 penetrating the ejector pin panel 73 and the lower mold plate 20, thereby ensuring reliable movement of the ejector pins during the ejection and retraction processes.
In one embodiment of the present application, it is preferable that the upper sealing plate 50 is further provided with a positioning counter bore 52 in the center thereof, the positioning counter bore 52 being communicated with the material inlet 51, and a positioning ring 53 being installed in the positioning counter bore 52 and being communicated with the material inlet 51, so as to facilitate the connection of the upper sealing plate with the plastic melting chamber and the installation and replacement of the mold. Preferably, a cavity 81 is arranged in the guide plate 80, the hot runner 90 is arranged in the cavity 81, and the hot runner and the guide plate are designed into a split form, so that the hot runner is convenient to maintain and replace, the maintenance cost is low, and the use is convenient. Preferably, the body 91 of the hot runner 90 is further provided with a temperature sensor 93 for detecting temperature. Preferably, an auxiliary electric heater 94 is further provided on the body 91 of the hot runner 90. Specifically, the auxiliary electric heater 94 is located on the upper surface of the body 91, and the temperature sensor 93 is located on the lower surface of the body 91, so that the temperature of the sol in the hot runner can be monitored in real time through the temperature sensor, and the temperature of the sol can be adjusted as required. Preferably, the upper and lower surfaces of the body 91 are respectively provided with annular mounting grooves, and the temperature sensor 93 and the auxiliary electric heater 94 are respectively mounted and fixed in the mounting grooves
In an embodiment of the present application, preferably, a plurality of guide pillars 21 are provided on the lower template 20, and a plurality of guide sleeves 12 cooperating with the guide pillars 21 are provided on the upper template 10, thereby realizing guiding and positioning when the upper template 10 and the lower template 20 move relatively.
Preferably, the upper mold plate 10 and the lower mold plate 20 are further provided with water cooling pipelines 101, so that after the injection of the sol is completed, the movable mold core and the fixed mold core can be cooled through the water cooling pipelines, the solidification of the sol is accelerated, the demolding time is shortened, and the production efficiency is improved.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A novel plastic ribbon die comprises an upper die plate and a lower die plate, wherein a fixed die core is fixed on the upper die plate, a movable die core is fixed on the lower die plate, a lower sealing plate is arranged on the lower side of the lower die plate, square iron and an ejection mechanism are arranged between the lower die plate and the lower sealing plate, the ejection mechanism comprises an ejector pin, an ejector pin bottom plate and an ejector pin panel, the ejector pin bottom plate is fixed on the lower sealing plate, the ejector pin panel is arranged on the ejector pin bottom plate, the ejector pin is arranged in an ejector pin mounting hole of the ejector pin panel in a penetrating manner, the ejector pin comprises two groups of square ejector pins, two groups of round ejector pins and a group of central ejector pin, the central ejector pin is positioned below a flow channel waste, the square ejector pin is positioned below the head of a ribbon, the round top pin is positioned below the root of the ribbon body of the ribbon, the lower die plate is provided, the movable mould core is provided with a thimble hole matched with the thimble in shape, the upper side of the upper mould plate is also sequentially provided with a guide plate and an upper sealing plate, the center of the upper sealing plate is provided with a feeding hole, the guide plate is internally provided with a hot runner communicated with the feeding hole, the lower side of the body of the hot runner is provided with more than two shunt tubes, the upper mould plate is provided with through holes for the shunt tubes to pass through, the fixed mould core is provided with pouring point holes communicated with the shunt tubes, and the movable mould core is provided with a diversion trench communicated with the pouring point holes.
2. A novel plastic tie mold according to claim 1, wherein: the guide grooves on the movable die core comprise two vertical guide grooves and a plurality of transverse guide grooves perpendicular to the vertical guide grooves, and the vertical guide grooves are communicated through the transverse guide grooves; the central thimble is positioned below the middle part of the transverse diversion trench.
3. A novel plastic tie mold according to claim 2, wherein: the square thimble comprises a fixed section and an ejection section, the fixed section is cylindrical, the cross section of the ejection section is rectangular, and the fixed section is located on the lower side of the ejection section.
4. A novel plastic tie mold according to claim 3, wherein: the ejection mechanism further comprises a guide rod penetrating through the ejector pin panel and the lower template.
5. A novel plastic tie mold according to claim 2, wherein: the center of the upper sealing plate is also provided with a positioning counter bore communicated with the feeding port, and a positioning ring communicated with the feeding port is arranged in the positioning counter bore.
6. A novel plastic tie mold according to claim 2, wherein: the guide plate is internally provided with a cavity, and the hot runner is arranged in the cavity.
7. The novel plastic tie mold of claim 6, wherein: the body of the hot runner is also provided with a temperature sensor for detecting temperature.
8. A novel plastic tie mold according to claim 7, wherein: and an auxiliary electric heater is also arranged on the body of the hot runner.
9. A novel plastic tie mold according to claim 2, wherein: the lower template is provided with a plurality of guide pillars, and the upper template is provided with a plurality of guide sleeves matched with the guide pillars.
10. A novel plastic tie mold according to claim 2, wherein: and water cooling pipelines are also arranged on the upper template and the lower template.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020599715.4U CN211968271U (en) | 2020-04-21 | 2020-04-21 | Novel plastic ribbon die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020599715.4U CN211968271U (en) | 2020-04-21 | 2020-04-21 | Novel plastic ribbon die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211968271U true CN211968271U (en) | 2020-11-20 |
Family
ID=73345723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020599715.4U Expired - Fee Related CN211968271U (en) | 2020-04-21 | 2020-04-21 | Novel plastic ribbon die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211968271U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706371A (en) * | 2020-12-25 | 2021-04-27 | 东莞市百为博塑胶五金制品有限公司 | Plastic seal and mould for manufacturing same |
-
2020
- 2020-04-21 CN CN202020599715.4U patent/CN211968271U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112706371A (en) * | 2020-12-25 | 2021-04-27 | 东莞市百为博塑胶五金制品有限公司 | Plastic seal and mould for manufacturing same |
| CN112706371B (en) * | 2020-12-25 | 2022-04-01 | 东莞市百为博塑胶五金制品有限公司 | Plastic seal and mould for manufacturing same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201120 Termination date: 20210421 |
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| CF01 | Termination of patent right due to non-payment of annual fee |