CN212764528U - Injection mold of worm - Google Patents
Injection mold of worm Download PDFInfo
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- CN212764528U CN212764528U CN202021343995.9U CN202021343995U CN212764528U CN 212764528 U CN212764528 U CN 212764528U CN 202021343995 U CN202021343995 U CN 202021343995U CN 212764528 U CN212764528 U CN 212764528U
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Abstract
The utility model relates to an injection mold of worm, including quiet mould and movable mould, its characterized in that, be equipped with mould benevolence A and mould benevolence B on the quiet mould, be equipped with mould benevolence C on the movable mould, be equipped with the shaping chamber A that is used for shaping round axle part on the mould benevolence A, be equipped with the shaping chamber B that is used for shaping screw thread portion on the mould benevolence B, be equipped with the shaping chamber C that is used for the shaping tip on the mould benevolence C, each shaping chamber sets gradually and link up each other and form the worm shaping chamber, be equipped with on the movable mould with the communicating runner of moulding plastics in worm shaping chamber, be equipped with on the quiet mould and mould plastics the communicating injecting glue mouth of runner, still be equipped with transfer line and drive transmission line pivoted drive assembly on the quiet mould, be. Adopt above-mentioned technical scheme, the utility model provides an injection mold of worm, this injection mold can realize the quick drawing of patterns, and demoulding effect is good, and product quality is good, and mould structure is simple simultaneously.
Description
Technical Field
The utility model belongs to the technical field of the processing technique of worm and specifically relates to an injection mold of worm is related to.
Background
The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. The worm comprises three parts, as shown in fig. 1, specifically, a circular shaft part 1', a threaded part 2', and an end part 3', wherein two straight edges 31' are symmetrically arranged on the end part 3 '. The structure of the injection mold in the prior art comprises a static mold and a movable mold, a product molding cavity and an injection molding runner communicated with the product molding cavity are arranged between the static mold and the movable mold, and a glue injection port communicated with the injection molding runner is arranged on the static mold. However, when the injection mold is used for producing the worm, due to the external threads arranged on the thread part 2' of the worm, when the mold is opened, the worm cannot be rapidly demolded in the product forming cavity, the demolding effect is poor, and the product is easily damaged.
Disclosure of Invention
The utility model aims at: in order to overcome the defects of the prior art, the utility model provides an injection mold of worm, this injection mold can realize the quick drawing of patterns, and demoulding effect is good, and product quality is good, and mould structure is simple simultaneously.
The technical scheme of the utility model: an injection mold for a worm comprises a static mold and a movable mold, and is characterized in that a mold core A and a mold core B are arranged on the static mold, a mold core C is arranged on the movable mold, a molding cavity A for molding a round shaft part is arranged on the mold core A, a molding cavity B for molding a threaded part is arranged on the mold core B, a molding cavity C for molding an end part is arranged on the mold core C, each molding cavity is sequentially arranged and communicated with each other to form a worm molding cavity, an injection molding runner communicated with the worm molding cavity is arranged on the movable mold, a glue injection port communicated with the injection molding runner is arranged on the static mold, a transmission rod and a driving assembly for driving the transmission rod to rotate are further arranged on the static mold, the transmission rod is connected with a transmission sleeve synchronously rotating with the transmission rod, the transmission sleeve and the mold core B synchronously rotate, a shunt channel communicated with the injection molding runner and a glue inlet for communicating the shunt channel with, and an ejector plate is arranged below the mold core C on the movable mold, a first ejector pin is arranged on the ejector plate, and the first ejector pin extends into the molding cavity C.
By adopting the technical scheme, the glue injection material is injected through the glue injection port, the glue injection material flows to the sub-runner through the injection runner communicated with the glue injection port, then flows into the molding cavity C through the glue inlet, and then sequentially flows into the molding cavity B and the molding cavity A, so as to complete the injection molding of the worm, after the injection molding is completed, the driving assembly drives the driving rod to rotate to drive the driving sleeve to rotate, so as to drive the mold core B to rotate, meanwhile, the moving mold moves to drive the mold core C to move, so that the worm is separated from the mold core B, then the ejector plate starts to work, the worm in the molding cavity C is ejected by the first ejector pin, the rapid demolding is realized, the platform which is mutually abutted against the straight edge on the worm is arranged on the inner side wall of the molding cavity C, so that when the mold core B rotates, the worm can be effectively limited to rotate without rotating along with the mold core B, and the arrangement, the worm can move along with the sprue and the residual materials in the glue inlet, so that the molded worm is better demoulded, and meanwhile, the glue inlet can separate the worm from the sprue and the residual materials in the glue inlet when the first ejector pin ejects the molded worm out.
The utility model discloses a further setting: the transmission rod is arranged in a square shape, a square groove is correspondingly formed in the transmission sleeve, a plurality of connecting columns are arranged on the transmission sleeve, a plurality of connecting grooves are correspondingly formed in the die core B, and the connecting columns are inserted in the corresponding connecting grooves to achieve synchronous rotation of the transmission sleeve and the die core B.
By adopting the further arrangement, the transmission rod is square, the transmission sleeve is correspondingly provided with the square groove, the transmission rod can drive the transmission sleeve to synchronously rotate when rotating, the transmission sleeve is connected with the connecting groove on the die core B through the connecting column to realize the synchronous rotation of the transmission sleeve and the die core B, so that the die core B is quickly separated from the formed worm, the demoulding is convenient, and the demoulding effect is good.
The utility model discloses a further setting again: and the ejector plate is also provided with a second ejector pin, and the second ejector pin extends into the sub-runner.
By adopting the above further arrangement, the second ejector pin can eject the defective materials in the sub-runners and the glue inlets, so that the next injection molding is facilitated.
The utility model discloses a still further set up: the driving assembly comprises a driving motor and a transmission gear set, a driving gear is sleeved on an output shaft of the driving motor, a driven gear is sleeved on a transmission rod, and the driving gear and the driven gear are meshed with each other through the transmission gear set to realize rotation.
By adopting the above further arrangement, the transmission is carried out through the transmission gear set, the structure is simple, and the transmission is accurate.
The utility model discloses a still further set up: two worm forming cavities are symmetrically arranged, the two worm forming cavities are respectively arranged on two sides of the injection molding runner, and two groups of transmission rods, two groups of transmission sleeves and two groups of transmission gear sets are correspondingly arranged.
Adopt above-mentioned still further setting again, set up two sets ofly, can process simultaneously like this, it is more convenient, work efficiency is higher simultaneously.
Drawings
Fig. 1 is a schematic structural view of a worm formed in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of an embodiment of the present invention;
FIG. 3 is a schematic view of the connection of the driving sleeve according to an embodiment of the present invention;
FIG. 4 is a schematic view of a worm forming cavity according to an embodiment of the present invention;
FIG. 5 is a schematic view of a mold core C according to an embodiment of the present invention;
FIG. 6 is a schematic view of a mold insert A according to an embodiment of the present invention;
FIG. 7 is a schematic view of a mold insert B according to an embodiment of the present invention;
FIG. 8 is a schematic view of an ejector plate according to an embodiment of the present invention;
fig. 9 is a schematic diagram of a driving assembly according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1-9, an injection mold for a worm includes a stationary mold 1 and a movable mold 2, the stationary mold 1 is provided with a mold core A3 and a mold core B4, the movable mold 2 is provided with a mold core C5, the mold core A3 is provided with a molding cavity a31 for molding a round shaft portion 1', the mold core B4 is provided with a molding cavity B41 for molding a threaded portion 2', the mold core C5 is provided with a molding cavity C51 for molding an end portion 3', the molding cavities are sequentially arranged and communicated with each other to form a worm molding cavity, the movable mold 2 is provided with an injection runner 21 communicated with the worm molding cavity, the stationary mold 1 is provided with a glue injection port 11 communicated with the injection runner 21, the stationary mold 1 is further provided with a transmission rod 6 and a driving assembly 7 for driving the transmission rod 6 to rotate, the transmission rod 6 is connected with a transmission sleeve 8 rotating synchronously with the transmission rod 6, and the mold core B4 rotate synchronously, the mold core C5 is provided with a branch runner 52 communicated with the injection runner 21 and two glue inlets 53 for communicating the branch runner 52 with the molding cavity C51, the branch runner 52 can be provided with two, and the corresponding glue inlets 53 are also provided with two, so that the injection molding material can enter the molding cavity C51 more uniformly and more efficiently, the upper part of the upper end surface of the glue inlet 53 is closed as shown in the figure, and is not completely opened, thereby facilitating the separation of a subsequent worm from the glue inlet 53, the movable mold 2 is provided with an ejector plate 9 below the mold core C5, the ejector plate 9 is provided with a first ejector pin 91, the first ejector pin 91 extends into the molding cavity C51 to inject the injection material through the glue injection port 11, the injection material flows onto the branch runner 52 through the injection runner 21 communicated with the glue injection port 11 and then flows into the molding cavity C51 through the glue inlets 53 and then flows into the molding cavity B41 and the molding cavity A31 in turn, then the injection molding of the worm is completed, after the injection molding is completed, the driving component 7 drives the transmission rod 6 to rotate and drive the transmission sleeve 8 to rotate, thereby driving the die core B5 to rotate, simultaneously, the moving die 2 moves to drive the die core C5 to move, so that the worm is separated from the die core B4, then the ejector plate 9 starts to work, the first ejector pin 91 ejects the worm in the molding cavity C51, so as to realize quick demolding, the inner side wall of the molding cavity C51 is provided with a platform 511 which interferes with the straight edge 31' of the worm, so that when the mold core B4 rotates, the rotation of the worm can be effectively limited, so that the worm cannot rotate along with the die core B4, when the die is opened due to the arrangement of the glue inlet 53 on the molding cavity C51, the worm can move along with the branch runner 52 and the residual materials in the glue inlet 53, so that the molded worm can be better demoulded, meanwhile, when the first ejector pin 91 ejects the molded worm out, the glue inlet 53 can separate the worm from the sprue 52 and the residual materials in the glue inlet 53. Further complete drawing of patterns for better realization worm, still be equipped with second thimble 92 on the liftout plate 9, second thimble 92 extends to in the subchannel 52, and second thimble 92 can be ejecting with subchannel 52 and the defective material that advances in the jiao kou 53, conveniently moulds plastics next time like this, does not need artifical manual clearance, and is more convenient, for the convenience liftout plate 9 drives first thimble 91 and the work of second thimble 92, can set up a driving piece, utilizes the driving piece to drive the work of liftout plate 9, and the driving piece can be the cylinder, also can be electric cylinder or motor.
In this embodiment, the transmission rod 6 is arranged in a square shape, a square groove 82 is correspondingly arranged on the transmission sleeve 8, a plurality of connecting posts 81 are arranged on the transmission sleeve 8, a plurality of connecting grooves 42 are correspondingly arranged on the mold core B4, the connecting posts 82 are inserted into the corresponding connecting grooves 42 to realize synchronous rotation of the transmission sleeve 8 and the mold core B4, the transmission rod 6 is arranged in a square shape, the transmission sleeve 8 is correspondingly provided with the square groove 82, so that the transmission rod 6 can drive the transmission sleeve 8 to rotate synchronously when rotating, the transmission sleeve 8 is connected with the connecting grooves 42 on the mold core B4 through the connecting posts 81 to realize synchronous rotation of the transmission sleeve 8 and the mold core B4, so that the mold core B4 is quickly separated from a molded worm, demolding is convenient, and.
In this embodiment, the driving assembly 7 includes a driving motor 71 and a transmission gear set 72, a driving gear 73 is sleeved on an output shaft of the driving motor 71, a driven gear 61 is sleeved on the transmission rod 6, the driving gear 73 and the driven gear 61 are mutually meshed through the transmission gear set 72 to realize rotation, and transmission is performed through the transmission gear set 72, so that the structure is simple, and transmission is accurate.
In this embodiment, the worm becomes the die cavity symmetry and is equipped with two, and two worm become the die cavity and set up respectively in the both sides of moulding plastics runner 21, and transfer line 6, drive sleeve 8 and drive gear group 72 also correspond and are equipped with two sets ofly, set up two sets ofly, can simultaneous processing like this, and is more convenient, and work efficiency is higher simultaneously.
Claims (5)
1. An injection mold for a worm comprises a static mold and a movable mold, and is characterized in that a mold core A and a mold core B are arranged on the static mold, a mold core C is arranged on the movable mold, a molding cavity A for molding a round shaft part is arranged on the mold core A, a molding cavity B for molding a threaded part is arranged on the mold core B, a molding cavity C for molding an end part is arranged on the mold core C, each molding cavity is sequentially arranged and communicated with each other to form a worm molding cavity, an injection molding runner communicated with the worm molding cavity is arranged on the movable mold, a glue injection port communicated with the injection molding runner is arranged on the static mold, a transmission rod and a driving assembly for driving the transmission rod to rotate are further arranged on the static mold, the transmission rod is connected with a transmission sleeve synchronously rotating with the transmission rod, the transmission sleeve and the mold core B synchronously rotate, a shunt channel communicated with the injection molding runner and a glue inlet for communicating the shunt channel with, and an ejector plate is arranged below the mold core C on the movable mold, a first ejector pin is arranged on the ejector plate, and the first ejector pin extends into the molding cavity C.
2. The injection mold for a worm according to claim 1, wherein the transmission rod is disposed in a square shape, a square groove is correspondingly disposed on the transmission sleeve, a plurality of connection posts are disposed on the transmission sleeve, a plurality of connection grooves are correspondingly disposed on the mold core B, and the connection posts are inserted into the corresponding connection grooves to achieve synchronous rotation of the transmission sleeve and the mold core B.
3. The injection mold for the worm according to claim 1 or 2, wherein the ejector plate is further provided with a second ejector pin, and the second ejector pin extends into the sub-runner.
4. The injection mold for the worm according to claim 3, wherein the driving assembly comprises a driving motor and a transmission gear set, a driving gear is sleeved on an output shaft of the driving motor, a driven gear is sleeved on the transmission rod, and the driving gear and the driven gear are meshed with each other through the transmission gear set to realize rotation.
5. The injection mold for the worm according to claim 4, wherein there are two worm forming cavities symmetrically arranged on two sides of the injection runner, and there are two sets of the transmission rod, the transmission sleeve and the transmission gear set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021343995.9U CN212764528U (en) | 2020-07-08 | 2020-07-08 | Injection mold of worm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021343995.9U CN212764528U (en) | 2020-07-08 | 2020-07-08 | Injection mold of worm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212764528U true CN212764528U (en) | 2021-03-23 |
Family
ID=75077005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021343995.9U Active CN212764528U (en) | 2020-07-08 | 2020-07-08 | Injection mold of worm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212764528U (en) |
-
2020
- 2020-07-08 CN CN202021343995.9U patent/CN212764528U/en active Active
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