CN214082598U - Precision mold for plastic part production - Google Patents

Abstract

The utility model discloses an accurate mould is used in plastic part production relates to mould technical field, including the die cavity, the die cavity top is provided with rather than matched with core, the ascending motor of output, four groups are all installed to the inside four corners department of die cavity the output fixedly connected with of motor extends to the inside lead screw of core. The utility model discloses an install the ascending motor of output in the inside four corners department of die cavity, the output fixedly connected with and the core matched with lead screw of motor, when four group's motors start, four group's lead screws drive the core and can shift up, when the core shifts up, fixed being provided with in core bottom three corners department with roof matched with pull rod, the pull rod passes through the limiting plate and cooperatees with ejector pin, roof, can know from this, can reach when the core shifts up and drive roof and ejector pin ejecting to injection moulding product, the utility model discloses the overall structure drawing of patterns is got up comparatively simply, and a drawing of patterns has improved production efficiency.

Description

Precision mold for plastic part production

Technical Field

The utility model relates to the technical field of mold, specifically be an accurate mould is used in plastic part production.

Background

The mould, the industrial production is used for getting various moulds and tools of the required products by injection moulding, blow moulding, extruding, die-casting or forging forming, smelting, punching, etc., the mould is the tool used for making the shaping article, this kind of tool is formed by various parts, different moulds are formed by different parts, it mainly realizes the processing of the appearance of the article through the change of the physical state of the shaping material, wherein the precision mould has higher precision, have high, the size is strict, durable, etc. characteristic, apply to the part processing field extensively, have better result of use.

To injection moulding product when the drawing of patterns among the prior art, mostly need external effort to carry out the drawing of patterns, and need remove earlier the core among the prior art and break away from the die cavity, then promote the ejector pin and release injection moulding product out the die cavity, the process of whole drawing of patterns is comparatively troublesome, and it is not convenient enough to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems that the demoulding process is troublesome and the demoulding process cannot be carried out at one time in the prior art, the precision mould for producing the plastic parts is provided.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a precision mold is used in plastic part production, includes the die cavity, the die cavity top is provided with rather than matched with core, the ascending motor of output, four groups are all installed to the inside four corners department of die cavity the output fixedly connected with of motor extends to the inside lead screw of core, the inside chamber of moulding plastics that is provided with of die cavity, the inside four corners department of die cavity is provided with the ejector pin that extends to the intracavity portion of moulding plastics, the fixed roof that is provided with in ejector pin bottom, the fixed pull rod that runs through the die cavity and flushes with the roof bottom that is provided with of triangle department of core bottom, the fixed limiting plate that is provided with roof matched with in pull rod bottom.

Preferably, an injection molding pipe extending to the inside of the injection molding cavity is fixedly arranged at the middle position inside the mold core, and a gasket is fixedly arranged at the top of the injection molding pipe.

Preferably, the bottom of the cavity is provided with a bottom shell matched with the top plate, and mounting plates matched with the bottom shell are fixedly arranged on two sides of the cavity.

Preferably, the two sides of the mold core are fixedly provided with side plates, and the tops of the two groups of side plates are fixedly provided with cover plates matched with the side plates.

Preferably, a through hole is formed in the center of the inner portion of the cover plate, and the cross section of the through hole is circular.

Preferably, the top of the outer side of the screw rod is fixedly provided with a bearing matched with the screw rod, and the inner side of the bearing is fixedly provided with a rubber ring.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an install the ascending motor of output in the inside four corners department of die cavity, the output fixedly connected with and the core matched with lead screw of motor, when four group's motors start, four group's lead screws drive the core and can shift up, when the core shifts up, fixed being provided with in core bottom three corners department with roof matched with pull rod, the pull rod passes through the limiting plate and cooperatees with ejector pin, roof, can know from this, can reach when the core shifts up and drive roof and ejector pin ejecting to injection moulding product, the utility model discloses the overall structure drawing of patterns is got up comparatively simply, and a drawing of patterns has improved production efficiency.

Drawings

Fig. 1 is an exploded view of the present invention from a first perspective;

fig. 2 is an exploded view of the present invention from a second perspective;

fig. 3 is a schematic view of the overall structure of the present invention.

In the figure: 1. a cavity; 2. an injection molding cavity; 3. a motor; 4. a screw rod; 5. a core; 6. a top rod; 7. a top plate; 8. a pull rod; 9. a limiting plate; 10. injection molding a tube; 11. a bottom case; 12. mounting a plate; 13. a cover plate; 14. a side plate; 15. a through hole; 16. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "disposed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention according to its overall structure.

Referring to fig. 1-3, a precision mold for plastic part production comprises a cavity 1, a core 5 matched with the cavity is arranged at the top of the cavity 1, motors 3 with upward output ends are mounted at four corners inside the cavity 1, screw rods 4 extending to the inside of the core 5 are fixedly connected with output ends of the four motors 3, an injection molding cavity 2 is arranged inside the cavity 1, ejector rods 6 extending to the inside of the injection molding cavity 2 are arranged at the four corners inside the cavity 1, a top plate 7 is fixedly arranged at the bottom of the ejector rods 6, pull rods 8 penetrating through the cavity 1 and flush with the bottom of the top plate 7 are fixedly arranged at the triangular positions at the bottom of the core 5, and a limiting plate 9 matched with the top plate 7 is fixedly arranged at the bottom of the pull rods 8.

The utility model discloses an install the ascending motor of output 3 in the inside four corners department of die cavity 1, motor 3's output end fixedly connected with and core 5 matched with lead screw 4, when four group's motors 3 start, four group's lead screws 4 drive core 5 and can shift up, when core 5 moves up, core 5 bottom three corners department is fixed be provided with roof 7 matched with pull rod 8, pull rod 8 cooperatees through limiting plate 9 and ejector pin 6, roof 7, can know from this, can reach when core 5 moves up and drive roof 7 and ejector pin 6 and ejecting injection moulding product, the utility model discloses the overall structure drawing of patterns is got up comparatively simply, and the drawing of patterns once has improved production efficiency.

Please refer to fig. 2 and fig. 3, the middle position inside the core 5 is fixedly provided with an injection molding pipe 10 extending to the inside of the injection molding cavity 2, and the top of the injection molding pipe 10 is fixedly provided with a gasket.

Please refer to fig. 1, fig. 2 and fig. 3, the bottom of the cavity 1 is provided with a bottom shell 11 matched with the top plate 7, and the two sides of the cavity 1 are both fixedly provided with a mounting plate 12 matched with the bottom shell 11, the utility model discloses a set up the bottom shell 11, play the protection to the ejector pin 6, the top plate 7, the pull rod 8 and the limiting plate 9, set up the mounting plate 12, make the cavity 1 and the bottom shell 11 between fixed inseparable, and convenient dismantlement.

Please refer to fig. 1, fig. 2 and fig. 3, the two sides of the core 5 are fixedly provided with side plates 14, and the tops of the two sets of side plates 14 are fixedly provided with cover plates 13 matched with the side plates, so that the structure of the utility model can protect the core 5 when moving upwards.

Please refer to fig. 1, fig. 2 and fig. 3, a through hole 15 is disposed at the center of the cover plate 13, and the cross section of the through hole 15 is circular, so that the output end of the injection molding machine is conveniently communicated with the injection molding pipe 10 by the through hole 15.

Please refer to fig. 1 and fig. 2, the top of the outer side of the screw rod 4 is fixedly provided with a bearing 16 matched with the screw rod, and the inner side of the bearing 16 is fixedly provided with a rubber ring, the utility model discloses a setting up the bearing 16, make the screw rod 4 not deviate and rock when rotating.

The working principle is as follows: when in use, the utility model is powered on, the utility model is placed inside the die carrier matched with the die carrier, then the output end of an external injection molding machine is communicated with the injection molding pipe 10 of the utility model, the external injection molding machine can lead molten colloid into the injection molding cavity 2 inside the die cavity through the injection molding pipe 10, after a certain degree of cooling, the injection molding product inside the injection molding cavity 2 is cooled, when the injection molding product is demoulded, the motor 3 with the upward output end is installed at the four corners inside the die cavity 1, the output end of the motor 3 is fixedly connected with the lead screw 4 matched with the die core 5, when the four groups of motors 3 are started, the four groups of lead screws 4 drive the die core 5 to move upwards, when the die core 5 moves upwards, the three corners at the bottom of the die core 5 are fixedly provided with the pull rod 8 matched with the top plate 7, the pull rod 8 is matched with the top rod 6 and the top plate 7 through the limiting plate 9, therefore, the mold core 5 can reach when moving up and drive roof 7 and ejector pin 6 ejecting to injection moulding product, the utility model discloses the overall structure drawing of patterns gets up comparatively simply, and a drawing of patterns has improved production efficiency.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a precision mold is used in plastic part production, includes die cavity (1), its characterized in that: die cavity (1) top is provided with rather than matched with core (5), ascending motor of output (3), four groups are all installed to the inside four corners department of die cavity (1) the output fixedly connected with of motor (3) extends to inside lead screw (4) of core (5), die cavity (1) inside is provided with moulds plastics chamber (2), the inside four corners department of die cavity (1) is provided with and extends to moulds plastics ejector pin (6) inside of chamber (2), ejector pin (6) bottom is fixed and is provided with roof (7), the fixed pull rod (8) that run through die cavity (1) and flush mutually with roof (7) bottom that are provided with of triangle department of core (5) bottom, fixed limiting plate (9) with roof (7) matched with in pull rod (8) bottom.

2. The precision mold for producing plastic parts according to claim 1, wherein: and an injection molding pipe (10) extending to the inside of the injection molding cavity (2) is fixedly arranged at the middle position inside the mold core (5), and a gasket is fixedly arranged at the top of the injection molding pipe (10).

3. The precision mold for producing plastic parts according to claim 1, wherein: the bottom of the cavity (1) is provided with a bottom shell (11) matched with the top plate (7), and mounting plates (12) matched with the bottom shell (11) are fixedly arranged on two sides of the cavity (1).

4. The precision mold for producing plastic parts according to claim 1, wherein: side plates (14) are fixedly arranged on two sides of the mold core (5), and cover plates (13) matched with the side plates are fixedly arranged at the tops of the two groups of side plates (14).

5. The precision mold for producing plastic parts according to claim 4, wherein: a through hole (15) is formed in the center of the inner portion of the cover plate (13), and the cross section of the through hole (15) is circular.

6. The precision mold for producing plastic parts according to claim 1, wherein: and a bearing (16) matched with the screw rod (4) is fixedly arranged at the top of the outer side of the screw rod, and a rubber ring is fixedly arranged on the inner side of the bearing (16).

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