CN214562606U - Worm wheel injection mold - Google Patents
Worm wheel injection mold Download PDFInfo
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- CN214562606U CN214562606U CN202120648543.XU CN202120648543U CN214562606U CN 214562606 U CN214562606 U CN 214562606U CN 202120648543 U CN202120648543 U CN 202120648543U CN 214562606 U CN214562606 U CN 214562606U
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Abstract
The utility model relates to a worm wheel injection mold, which comprises an upper mold component and a lower mold component, wherein the upper mold component comprises an upper mounting plate, an upper connecting plate and an upper template which are sequentially arranged from top to bottom, an upper mold core is arranged on the upper template, the lower mold component comprises a lower template, mold feet and a lower template which are sequentially arranged from top to bottom, the lower template is attached to the upper template, a lower mold core is arranged on the lower template, at least one mold body is arranged on the lower mold core, a cavity is formed between the upper mold core, the mold body and the lower mold core, a pouring pipe is arranged at the center of the upper mounting plate, the mold body can slide up and down and rotate circumferentially on the lower mold core, a top rod is also included, the end part of the top rod extends into the cavity, when the top rod jacks up the formed worm wheel, the top rod can drive the mold body to move upwards and rotate circumferentially, when the upper mold core is pressed against the mold body, the upper mold core can drive the mold body to move downwards and rotate to reset. By adopting the scheme, the die body on the die can move and rotate, so that the formed worm wheel can conveniently carry out blanking.
Description
Technical Field
The utility model belongs to the technical field of the injection mold technique and specifically relates to a worm wheel injection mold.
Background
The plastic worm wheel is formed by injection molding of a mold, a cavity is arranged in the mold body of the mold, general hot-melt plastic is injected into the cavity, the plastic is uniformly heated for a period of time, and then the plastic worm wheel is cooled for a period of time to form the worm wheel. However, in a general mold, the mold body is fixedly arranged, and the peripheral surface of the worm wheel is provided with the helical teeth, so that the molded worm wheel is difficult to separate from the mold body, the worm wheel cannot be directly ejected from the cavity, and the blanking operation is inconvenient.
Disclosure of Invention
The utility model overcomes prior art's is not enough, provides a worm wheel injection mold, and the mould body on it can remove and rotate, and the fashioned worm wheel of being convenient for carries out the unloading.
In order to realize the purpose, the utility model discloses a technical scheme is: a worm wheel injection mold comprises an upper mold component and a lower mold component, wherein the upper mold component comprises an upper mounting plate, an upper connecting plate and an upper mold plate which are sequentially arranged from top to bottom, the upper mounting plate, the upper connecting plate and the upper mold plate are fixedly connected with each other, an upper mold core is arranged on the upper mold plate, the lower mold component comprises a lower mold plate, mold feet and a lower mold plate which are sequentially arranged from top to bottom, the lower mold plate, the mold feet and the lower mold plate are fixedly connected with each other, the lower mold plate is attached to the upper mold plate, a lower mold core is arranged on the lower mold plate, at least one mold body is arranged on the lower mold core, a cavity is formed among the upper mold core, the mold body and the lower mold core, an injection pipe is arranged at the center of the upper mounting plate, the injection pipe penetrates through the upper connecting plate, a flow channel communicated with the cavity is arranged on the upper mold plate, a discharge port of the injection pipe extends to the flow channel, the mold body can slide up and down and rotate circumferentially on the lower mold core, the mold comprises a mold body and is characterized by further comprising an ejector rod, wherein the end part of the ejector rod extends into the mold cavity, the ejector rod can drive the mold body to move upwards and rotate circumferentially when jacking up the formed worm gear, and when the upper mold core abuts against the mold body, the upper mold core can drive the mold body to move downwards and rotate to reset.
By adopting the scheme, the cavity is formed among the upper mold core, the mold body and the lower mold core, the worm wheel can be molded in the cavity, external hot-melt plastic is injected into the cavity through the injection pipe via the flow channel, then the worm wheel is subjected to one-step injection molding after cooling, the ejector rod can be driven by the external driving piece to move after injection molding, the injection-molded worm wheel can be ejected away from the mold body, and when the ejector rod is ejected away from the worm wheel, the ejector rod can drive the mold body to move upwards for a small distance and rotate for a small angle, so that the worm wheel is detached from the mold body, and blanking operation is carried out; when the next time of shaping operation is carried out to needs, go up mould subassembly and bed die subassembly and carry out the compound die operation, go up the core and can drive the mould body and move down and rotate and reset, the die cavity location is accurate to the shaping operation of next worm wheel need not the manual mould body that drives and rotates and reset, and it is more convenient to operate.
The utility model discloses a further setting is: the utility model discloses a mould structure, including the mould body, be provided with the transmission structure that drives the mould body and rotate the reduction of moving down between the core and the mould body, transmission structure is including setting up the transmission piece on the core down and setting up the transmission groove on the mould body, and the transmission piece can be inserted and locate the transmission groove, and the transmission piece is provided with first inclined plane in the one side that is close to the mould body, and the transmission groove is provided with the second inclined plane in corresponding first inclined plane department, and when the mould body moves down, the second inclined plane contradicts the cooperation with first inclined plane, and the mould body can rotate simultaneously and reset.
Through adopting above-mentioned scheme, when the lower core drove the mould body and moves down, because the second inclined plane contradicts the cooperation with first inclined plane, the mould body can rotate and reset to the shaping operation of next worm wheel need not the manual mould body that drives and rotates and reset, simple structure, reasonable in design, convenient operation.
The utility model discloses a further setting is: the utility model discloses a mould structure, including the mould body, the mould body is provided with the spacing structure of restriction mould body turned angle and displacement, the spacing structure includes the screw down between the core and the mould body, the screw includes pole portion and head, the mould body is provided with the spacing groove along its rotation orbit, and the spacing inslot is arranged in to the head of screw, and the head of screw and the both ends counterbalance realization of spacing groove are spacing to the specific rotation of mould, are provided with the clearance between the lower terminal surface of the head of screw and the bottom surface of spacing groove, and the lower terminal surface of the head of screw can be inconsistent with the bottom surface of spacing groove and realize spacing to the specific removal of mould, still is equipped with the first through-hole that supplies the pole portion of screw to wear to establish and move about on the bottom surface of spacing groove, and the tip of the pole portion of screw sets up under on the core soon.
Through adopting above-mentioned scheme, the screw runs through the mould body and establishes under on the core soon, and the head of screw is hidden in spacing inslot, can not influence the core and the laminating of mould body mutually, and the screw cooperates with the mould body, not only can restrict the specific turned angle of mould, can also restrict the specific displacement of mould, simple structure, reasonable in design.
The utility model discloses a further setting is: the lower mold core is provided with four mounting grooves, each mounting groove is provided with a mold body, and each mold body is rotatably arranged in the corresponding mounting groove.
By adopting the above scheme, the machine-shaping of four worm wheels can be carried out simultaneously, machining efficiency is improved, and the mould body is stable in installation, can not deviate, simple structure, reasonable in design.
The utility model discloses a further setting is: the lower core is provided with a second through hole for the transmission block to penetrate through, the lower end of the transmission block is provided with a convex block, the lower core is provided with a groove for the convex block to be placed, and the lower template can press the convex block in the groove to limit the transmission block to move up and down.
Through adopting above-mentioned scheme, the installation of transmission piece is stable, can not take place to reciprocate, simple structure, reasonable in design.
The utility model discloses a further setting is: the upper mold core is provided with an insertion block, and the lower mold core is provided with a slot for the insertion block to be inserted.
By adopting the above scheme, the upper mold core and the lower mold core are positioned and spliced to be matched, the mold cavity is positioned accurately, the worm wheel injection molding is convenient, the structure is simple, and the design is reasonable.
The present invention will be further described with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic overall structure diagram of an embodiment of the present invention;
fig. 2 is a schematic top view of an embodiment of the present invention;
FIG. 3 is a schematic sectional view taken along line F-F of FIG. 2;
FIG. 4 is an enlarged view of the portion G of FIG. 3;
FIG. 5 is a schematic view of the mating structure of the mold body and the lower core;
FIG. 6 is a schematic top view of the mold body;
FIG. 7 is a schematic bottom view of the mold body;
FIG. 8 is a schematic structural view of a transmission block;
FIG. 9 is a schematic view of a screw;
FIG. 10 is a schematic top view of the lower core;
FIG. 11 is a bottom view of the lower core;
FIG. 12 is a schematic view of the structure of the upper core;
FIG. 13 is a schematic structural view of the upper plate;
fig. 14 is a schematic view of the worm wheel.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1-14, a worm gear injection mold comprises an upper mold assembly and a lower mold assembly, wherein the upper mold assembly comprises an upper mounting plate 1, an upper connecting plate 2 and an upper mold plate 3 which are sequentially arranged from top to bottom, the upper mounting plate 1, the upper connecting plate 2 and the upper mold plate 3 are fixedly connected with each other, an upper core 4 is fixedly arranged on the upper mold plate 3, the lower mold assembly comprises a lower mold plate 5, mold legs 6 and a lower mold plate 7 which are sequentially arranged from top to bottom, the lower mold plate 5, the mold legs 6 and the lower mold plate 7 are fixedly connected with each other, the lower mold plate 5 is attached to the upper mold plate 3, a lower core 8 is fixedly arranged on the lower mold plate 5, at least one mold body 9 is arranged on the lower core 8, a cavity a is formed between the upper core 4, the mold body 9 and the lower core 8, an injection pipe 10 is arranged at the center of the upper mounting plate 1, the injection pipe 10 penetrates through the upper connecting plate 2, a runner 31 communicated with the cavity a is arranged on the upper mold plate 3, the discharge gate that pours into water pipe 10 extends runner 31 department, and the mould body 9 can slide from top to bottom, and circumferential direction sets up on core 8 down, still including ejector pin B, and in ejector pin B's tip extended cavity A, during ejector pin B jack-up fashioned worm wheel E, ejector pin B can drive the mould body 9 rebound and circumferential direction, and when last core 4 supported the pressure mould body 9, it can drive the mould body 9 rebound and rotate and reset to go up core 4.
In this embodiment, be provided with between lower core 8 and the mould body 9 and drive the transmission structure that the mould body 9 rotated and reset, transmission structure is including setting up transmission piece C on lower core 8 and setting up the driving groove 91 on the mould body 9, transmission piece C can insert and locate driving groove 91, transmission piece C is provided with first inclined plane C1 in the one side that is close to the mould body 9, driving groove 91 is provided with second inclined plane 92 in corresponding first inclined plane C1 department, when the mould body 9 moves down, second inclined plane 92 contradicts the cooperation with first inclined plane C1, the mould body 9 can rotate simultaneously and reset.
In this embodiment, a limiting structure for limiting a rotation angle and a movement distance of the mold body 9 is disposed between the lower core 8 and the mold body 9, the limiting structure includes a screw D, the screw D includes a rod portion D1 and a head portion D2, the mold body 9 is provided with a limiting groove 93 along a rotation track of the mold body 9, the head portion D2 of the screw D is disposed in the limiting groove 93, the head portion D2 of the screw D is abutted against two ends of the limiting groove 93 to achieve rotation limiting of the mold body 9, a gap is disposed between a lower end face of the head portion D2 of the screw D and a bottom face of the limiting groove 93, a lower end face of the head portion D2 of the screw D is abutted against the bottom face of the limiting groove 93 to achieve movement limiting of the mold body 9, a first through hole 94 for the rod portion D1 of the screw D to penetrate and move is further disposed on the bottom face of the limiting groove 93, and an end portion of the rod portion D1 of the screw D is rotatably disposed on the lower core 8.
In the present embodiment, four mounting grooves 81 are provided on the lower core 8, one mold body 9 is provided at each mounting groove 81, and each mold body 9 is rotatably provided in the corresponding mounting groove 81.
In this embodiment, be provided with the second through-hole 82 that supplies driving block C to wear to establish on the lower die core 8, the lower extreme of driving block C is provided with lug C2, is provided with the recess 83 that supplies lug C2 to place on the lower die core 8, and lower bolster 5 can be with lug C2 pressure locate in the recess 83, can restrict driving block C and reciprocate.
In this embodiment, the upper core 4 is provided with an insert block 41, and the lower core 8 is provided with an insertion groove 84 into which the insert block 41 is inserted.
In the present embodiment, the worm wheel E is injection molded as shown in fig. 14.
The above embodiments are only preferred embodiments of the present invention, and the general changes and substitutions performed by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a worm wheel injection mold, includes mould assembly and bed die assembly, its characterized in that: the upper die assembly comprises an upper mounting plate, an upper connecting plate and an upper die plate which are sequentially arranged from top to bottom, the upper mounting plate, the upper connecting plate and the upper die plate are fixedly connected with each other, an upper core is arranged on the upper die plate, the lower die assembly comprises a lower die plate, die feet and a lower die plate which are sequentially arranged from top to bottom, the lower die plate, the die feet and the lower die plate are fixedly connected with each other, the lower die plate is attached to the upper die plate, a lower core is arranged on the lower die plate, at least one die body is arranged on the lower core, a cavity is formed between the upper core, the die body and the lower core, a pouring pipe is arranged in the center of the upper mounting plate, the pouring pipe penetrates through the upper connecting plate, a flow channel communicated with the cavity is arranged on the upper die plate, a discharge port of the pouring pipe extends to the flow channel, the die body can slide up and down and rotate circumferentially on the lower core, the upper mounting plate further comprises an ejector rod, and the end of the ejector rod extends into the cavity, when the ejector rod jacks up the formed worm wheel, the ejector rod can drive the die body to move upwards and rotate circumferentially, and when the upper die core abuts against the die body, the upper die core can drive the die body to move downwards and rotate to reset.
2. The worm-gear injection mold of claim 1, wherein: the utility model discloses a mould structure, including the mould body, be provided with the transmission structure that drives the mould body and rotate the reduction of moving down between the core and the mould body, transmission structure is including setting up the transmission piece on the core down and setting up the transmission groove on the mould body, and the transmission piece can be inserted and locate the transmission groove, and the transmission piece is provided with first inclined plane in the one side that is close to the mould body, and the transmission groove is provided with the second inclined plane in corresponding first inclined plane department, and when the mould body moves down, the second inclined plane contradicts the cooperation with first inclined plane, and the mould body can rotate simultaneously and reset.
3. The worm-gear injection mold according to claim 1 or 2, wherein: the utility model discloses a mould structure, including the mould body, the mould body is provided with the spacing structure of restriction mould body turned angle and displacement, the spacing structure includes the screw down between the core and the mould body, the screw includes pole portion and head, the mould body is provided with the spacing groove along its rotation orbit, and the spacing inslot is arranged in to the head of screw, and the head of screw and the both ends counterbalance realization of spacing groove are spacing to the specific rotation of mould, are provided with the clearance between the lower terminal surface of the head of screw and the bottom surface of spacing groove, and the lower terminal surface of the head of screw can be inconsistent with the bottom surface of spacing groove and realize spacing to the specific removal of mould, still is equipped with the first through-hole that supplies the pole portion of screw to wear to establish and move about on the bottom surface of spacing groove, and the tip of the pole portion of screw sets up under on the core soon.
4. The worm-gear injection mold according to claim 1 or 2, wherein: the lower mold core is provided with four mounting grooves, each mounting groove is provided with a mold body, and each mold body is rotatably arranged in the corresponding mounting groove.
5. The worm-gear injection mold of claim 2, wherein: the lower core is provided with a second through hole for the transmission block to penetrate through, the lower end of the transmission block is provided with a convex block, the lower core is provided with a groove for the convex block to be placed, and the lower template can press the convex block in the groove to limit the transmission block to move up and down.
6. The worm-gear injection mold according to claim 1 or 2, wherein: the upper mold core is provided with an insertion block, and the lower mold core is provided with a slot for the insertion block to be inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120648543.XU CN214562606U (en) | 2021-03-30 | 2021-03-30 | Worm wheel injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120648543.XU CN214562606U (en) | 2021-03-30 | 2021-03-30 | Worm wheel injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214562606U true CN214562606U (en) | 2021-11-02 |
Family
ID=78322500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120648543.XU Active CN214562606U (en) | 2021-03-30 | 2021-03-30 | Worm wheel injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214562606U (en) |
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2021
- 2021-03-30 CN CN202120648543.XU patent/CN214562606U/en active Active
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