CN219213990U

CN219213990U - Plastic gear production rapid prototyping mould

Info

Publication number: CN219213990U
Application number: CN202223392839.3U
Authority: CN
Inventors: 李骏
Original assignee: Dongguan Huagao Precision Gear Co ltd
Current assignee: Dongguan Huagao Precision Gear Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-20
Anticipated expiration: 2032-12-19

Abstract

The utility model discloses a quick forming die for plastic gear production, which comprises an upper die plate and a die clamping mechanism arranged on the upper die plate; the middle part of the upper template is provided with a die outlet hole, the upper surface of the upper template is rotatably provided with a protective cover, and the die clamping mechanism is arranged in the protective cover; the clamping die mechanism comprises a rotary plate and an inner annular plate, the rotary plate is rotationally connected with the protective cover, the inner annular plate is fixedly arranged in the middle of the rotary plate, the outer annular surface of the inner annular plate is in contact with the inner annular surface of the rotary plate, the rotary plate is provided with uniformly distributed sliding holes I, the inner annular plate is provided with uniformly distributed sliding holes II, sliding rods I are commonly arranged below the rotary plate and the inner annular plate, and sliding rods II are vertically arranged at two ends of the upper surface of each sliding rod. In the using process, the plastic gear mold clamping and difficult demolding phenomena in the plastic gear injection molding process of the full-circumference back-off structure can be avoided, the cooling forming speed of the plastic gear can be improved, and the plastic gear machining efficiency is further improved.

Description

Plastic gear production rapid prototyping mould

Technical Field

The utility model relates to the technical field of gear molds, in particular to a rapid forming mold for plastic gear production.

Background

When a mold is used for producing plastic products such as plastic gears, according to the characteristics of the appearance structure of the products of the plastic gears and the diversity of the use performance, in the mold design process, some plastic gears with full-circumference back-off structures are usually encountered, and after the plastic gears are molded in a mold cavity, the plastic gears are required to be demolded through a special demolding mechanism, so that the existing plastic products with the full-circumference back-off structures cannot be automatically produced by adopting a mechanical arm during injection molding, and the products are manually poured out after the mold is strongly removed, so that the processing time is prolonged, and the processing efficiency is influenced. Therefore, we propose a plastic gear production rapid forming die.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a rapid forming die for plastic gear production.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a plastic gear production rapid prototyping die comprises an upper die plate and a die clamping mechanism arranged on the upper die plate; the middle part of the upper template is provided with a die outlet hole, the upper surface of the upper template is rotatably provided with a protective cover, and the die clamping mechanism is arranged in the protective cover;

the clamping mechanism comprises a rotary table and an inner ring plate, wherein the rotary table is in rotary connection with a protective cover, the inner ring plate is fixedly arranged in the middle of the rotary table, the outer ring surface of the inner ring plate is in contact with the inner ring surface of the rotary table, the rotary table is provided with uniformly distributed sliding holes I, the inner ring plate is provided with uniformly distributed sliding holes II, sliding rods I are commonly arranged below the rotary table and the inner ring plate, sliding rods II are vertically arranged at two ends of the upper surface of the sliding rods I, and the two sliding rods II are respectively matched with the sliding holes I and the sliding Kong Erxiang; the clamping templates are arranged at one end of the sliding rod II extending to the upper part through the sliding hole II on the inner ring plate, a plurality of clamping templates form a ring body, and the inner edge of the clamping templates is in an inverted table shape.

Preferably, the toothed ring is installed at the lower extreme of the outer anchor ring of carousel, the upper surface bilateral symmetry that the cope match-plate pattern corresponds the toothed ring outward is provided with the cylinder, the output fixedly connected with straight rack of cylinder, straight rack meshes with the toothed ring mutually.

Preferably, when the turntable rotates, the first slide rod and the second slide rod are driven to move in the first slide hole and the second slide hole, and then the second slide rod drives the clamping templates to be mutually closed or unfolded.

Preferably, the part of the upper template, which is close to the protective cover, is provided with a threaded hole for installing the upper template.

Preferably, the two groups of cylinders are arranged in opposite directions, and when the cylinders stretch, the straight racks are driven to be meshed with the toothed ring for transmission.

Preferably, the rotary disc is of an annular disc structure, and the protective cover is hollow corresponding to the die outlet.

The utility model provides a quick forming die for plastic gear production, which has the beneficial effects that:

can avoid card mould, the difficult drawing of patterns phenomenon that appears in the plastic gear injection molding process of full week back-off structure, and can promote the cooling shaping speed of plastic gear, further promotion plastic gear machining efficiency.

Drawings

FIG. 1 is a schematic diagram of a rapid molding die for plastic gear production according to the present utility model;

FIG. 2 is a bottom view of a mold for producing a plastic gear according to the present utility model;

FIG. 3 is a schematic diagram of the internal structure of a plastic gear production rapid prototyping die according to the present utility model;

FIG. 4 is a schematic diagram showing the disassembly of the internal structure of a rapid prototyping die for plastic gear production according to the present utility model;

FIG. 5 is a schematic diagram showing the disassembly of a mold clamping mechanism of a rapid molding mold for plastic gear production according to the present utility model;

fig. 6 is a schematic installation diagram of a slide bar of a rapid molding die for plastic gear production according to the present utility model.

In the figure: 1. an upper template; 2. a turntable; 3. an inner ring plate; 4. a sliding hole I; 5. a sliding hole II; 6. a straight rack; 7. a cylinder; 8. a card template; 9. a threaded hole; 10. a die outlet hole; 11. a toothed ring; 12. a protective cover; 13. a first slide bar; 14. and a second slide bar.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-5, a rapid molding die for plastic gear production comprises an upper die plate 1, and a die clamping mechanism arranged on the upper die plate 1; the middle part of the upper template 1 is provided with a die outlet 10, the upper surface of the upper template 1 is rotatably provided with a protective cover 12, and the die clamping mechanism is arranged in the protective cover 12;

the mold clamping mechanism comprises a rotary table 2 and an inner ring plate 3, wherein the rotary table 2 is in rotary connection with a protective cover 12, the inner ring plate 3 is fixedly arranged in the middle of the rotary table 2, the outer ring surface of the inner ring plate 3 is in contact with the inner ring surface of the rotary table 2, uniformly distributed sliding holes I4 are formed in the rotary table 2, uniformly distributed sliding holes II 5 are formed in the inner ring plate 3, sliding rods I13 are jointly arranged below the rotary table 2 and the inner ring plate 3, sliding rods II 14 are vertically arranged at two ends of the upper surface of the sliding rod I13, and the two sliding rods II 14 are respectively matched with the sliding holes I4 and II 5; the second slide bar 14 extends to one end above the second slide hole 5 on the inner ring plate 3 to be provided with a clamping template 8, a plurality of clamping templates 8 form a ring body, and the inner edge of the clamping template 8 is in an inverted table shape.

The plate body structure of the table body shape arranged through the clamping template 8 forms stable forming of plastic gears or other injection products of the full-circumference back-off structure, and can be freely closed or unfolded, so that the plastic gears of the full-circumference back-off structure can be quickly demoulded, and the rapid cooling forming of the plastic gears of the full-circumference back-off structure is formed, and the use is facilitated.

The gear ring 11 is installed to the lower extreme of carousel 2 outer ring face, and upper surface bilateral symmetry that cope match-plate pattern 1 corresponds the gear ring 11 outside is provided with cylinder 7, and the output fixedly connected with straight rack 6 of cylinder 7, straight rack 6 meshes with gear ring 11 mutually.

When the turntable 2 rotates, the first slide bar 13 and the second slide bar 14 are driven to move in the first slide hole 4 and the second slide hole 5, and then the second slide bar 14 drives the clamping templates 8 to be mutually closed or unfolded.

The part of the upper template 1, which is close to the protective cover 12, is provided with a threaded hole 9 for installing the upper template 1.

The two groups of cylinders 7 are arranged in opposite directions, when the cylinders 7 stretch out and draw back, the straight racks 6 are driven to be meshed with the toothed ring 11 for transmission, the rotary table 2 is of an annular disc body structure, the protective cover 12 is hollow corresponding to the die outlet 10, the cylinders 7 are symmetrically arranged in opposite directions, the rotary effect of the rotary table 2 can be provided at the same time, and the purpose of orderly closing or expanding the clamping templates 8 is achieved.

The use principle and the advantages are that: when the plastic gear with the full-circle back-off structure is specially applied to production, during demolding, the cylinder 7 is started, the cylinder 7 is driven to linearly move after running, then the straight rack 6 is meshed with the toothed ring 11 and then drives the rotary table 2 to rotate in the protection cover 2, the rotary table 2 drives the slide rod II 14 to move in the slide hole I4, and in the moving process, the slide rod I13 drives the slide rod II 14 in the slide hole II 5 on the inner ring plate 3 to move by driving the clamping template 8 at the upper end of the slide rod II 14 on the inner ring plate 3 to be outwards unfolded, namely a table body part formed by the clamping template 8 is unfolded, and the plastic gear in the mold outlet hole 10 is rapidly separated, so that rapid demolding of the plastic gear is achieved;

in the same way, in the plastic gear forming process, the clamping templates 8 are in a close state, and the cooling effect of the plastic gear is improved through the arrangement of the split clamping templates 8, so that the purpose of rapid forming is further achieved;

to sum up: the mold can avoid the phenomenon of mold clamping and difficult demolding in the plastic gear injection molding process of the full-periphery back-off structure, and can improve the cooling forming speed of the plastic gear and further improve the processing efficiency of the plastic gear.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. A plastic gear production rapid prototyping mould, its characterized in that: comprises an upper template (1) and a die clamping mechanism arranged on the upper template (1); the middle part of the upper die plate (1) is provided with a die outlet (10), the upper surface of the upper die plate (1) is rotatably provided with a protective cover (12), and the die clamping mechanism is arranged in the protective cover (12);

the mold clamping mechanism comprises a rotary table (2) and an inner ring plate (3), wherein the rotary table (2) is rotationally connected with a protective cover (12), the inner ring plate (3) is fixedly arranged in the middle of the rotary table (2), the outer ring surface of the inner ring plate (3) is in contact with the inner ring surface of the rotary table (2), uniformly distributed slide holes I (4) are formed in the rotary table (2), uniformly distributed slide holes II (5) are formed in the inner ring plate (3), slide bars I (13) are commonly arranged below the rotary table (2) and the inner ring plate (3), two ends of the upper surface of each slide bar I (13) are vertically provided with slide bars II (14), and the two slide bars II (14) are respectively matched with the slide holes I (4) and the slide holes II (5); the second sliding rod (14) extends to one end above the second sliding hole (5) on the inner annular plate (3) to form a clamping template (8), a plurality of clamping templates (8) form a ring body, and the inner edge of the clamping template (8) is in an inverted table shape.

2. The rapid forming die for plastic gear production according to claim 1, wherein a toothed ring (11) is installed at the lower end of the outer annular surface of the rotary table (2), air cylinders (7) are symmetrically arranged on two sides of the upper surface of the upper die plate (1) corresponding to the outer side of the toothed ring (11), straight toothed bars (6) are fixedly connected to the output ends of the air cylinders (7), and the straight toothed bars (6) are meshed with the toothed ring (11).

3. The rapid molding die for plastic gear production according to claim 1, wherein the turntable (2) drives the first slide bar (13) and the second slide bar (14) to move in the first slide hole (4) and the second slide hole (5) when rotating, and the second slide bar (14) drives the clamping templates (8) to be mutually closed or opened.

4. A rapid prototyping die for plastic gear production according to claim 1, wherein the upper die plate (1) is provided with threaded holes (9) near the plate body of the protective cover (12) for installing the upper die plate (1).

5. The rapid forming die for plastic gear production according to claim 2, wherein two groups of cylinders (7) are arranged in opposite directions, and when the cylinders (7) stretch, the straight racks (6) are driven to be meshed with the toothed ring (11) for transmission.

6. The rapid prototyping die for plastic gear production according to claim 1, wherein the turntable (2) has a ring-shaped disk structure, and the protective cover (12) is hollow corresponding to the die outlet (10).