CN218450544U - Tool is rejected to silica gel earmuff PA rubber core - Google Patents

Abstract

The utility model relates to a silica gel earmuff processing technology field specifically is a silica gel earmuff PA glues core and rejects tool, and this tool includes thimble apron, thimble board, clamp plate, mold core and base, the thimble board is located between thimble apron and the clamp plate, and is provided with the thimble on the thimble board, and this thimble extends to inside the mold core after from top to bottom running through the clamp plate, the mold core is located between clamp plate and the base, and the lower extreme of mold core inwards caves in and is formed with a plurality of die cavitys, every first through-hole has all been seted up on the die cavity, the base is provided with a plurality of reference columns on its circumferencial direction, every the reference column is pegged graft with the clamp plate after running through the mold core from bottom to top, be provided with closing device on the arbitrary diagonal angle of base, closing device compresses tightly the up terminal surface at the mold core with the clamp plate. The utility model discloses possess simple structure, reasonable in design, PA rubber core to on the silica gel earmuff that can be quick is rejected, has improved the efficiency of processing, has reduced artificial intensity of labour, and the security is good simultaneously.

Description

Tool is rejected to silica gel earmuff PA rubber core

Technical Field

The utility model relates to a silica gel earmuff processing technology field specifically is a jig is rejected to silica gel earmuff PA rubber core.

Background

In order to facilitate the stability of the earphone, the earphone is reliably hung on the ear, and the earphone body is protected to a certain extent, and currently, earmuffs are installed on a plurality of earphones. Most of common earmuffs are made of silica gel materials, so that the earmuffs have high elasticity, flexibility and extensibility, and are convenient to mount on or dismount from earphones. Silica gel earmuffs on the market at present, generally adopt silica gel oil pressure technology shaping, because the inside anti-drop structure that cup joints on the earphone that has of silica gel earmuff, traditional mould is difficult to the shaping, then need use precision mold to process, but precision mold's cost is very high, and fashioned silica gel earmuff is hollow, and matter is soft, it is difficult to demold from the mould, to this, I have developed a silica gel earmuff of taking PA to glue the core, as shown in fig. 1, 111 in the figure is PA glues the core, 112 is the silica gel earmuff, be provided with anti-drop structure on PA glues the core 111, when shaping silica gel earmuff 112, firstly place the PA that moulds plastics gluey core 111 in the die cavity that the mould corresponds, the silica gel earmuff 112 that the mould closing oil pressure goes out to have PA to glue core 111, shaping silica gel earmuff 112 needs demold from the mould, then will break away from PA gluey core 111 and reject from silica gel earmuff 112 earlier.

At present, no jig for removing the PA rubber core 111 from the silica gel ear muffs 112 is available in the market, the PA rubber core needs to be removed manually, the manual removing efficiency is low, the labor intensity is high, and meanwhile, in the manual removing process, due to high temperature of a mold, the mold is easy to scald, and the safety is poor. In view of the above, the applicant designs a jig for removing a PA rubber core of a silica gel earcap.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tool is rejected to silica gel earmuff PA rubber core possesses simple structure, reasonable in design, and the PA rubber core to on the silica gel earmuff that can be quick is rejected, has improved the efficiency of processing, has reduced artificial intensity of labour, and the problem that above-mentioned technical background proposed has been solved to the advantage that the security is good simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a tool is rejected to silica gel earmuff PA gluey core, this tool includes faller, thimble board, clamp plate, mold core and base, the thimble board is located between faller and the clamp plate, and is provided with the thimble on the thimble board, the thimble extends to inside the mold core after from top to bottom running through the clamp plate, the mold core is located between clamp plate and the base, and the lower terminal surface of mold core inwards caves in and is formed with a plurality of die cavitys, every first through-hole has all been seted up on the die cavity, the base is provided with a plurality of reference columns on its circumferencial direction, every the reference column is pegged graft with the clamp plate after running through the mold core from bottom to top, be provided with closing device on the arbitrary diagonal angle of base, closing device compresses tightly the clamp plate at the up end of mold core.

Preferably, the jig further comprises four positioning pins, and the four positioning pins sequentially penetrate through the ejector pin cover plate, the ejector pin plate and the pressing plate from top to bottom and are connected with the mold core in a contact mode.

Preferably, the thimble cover plate is fixedly mounted on the upper end surface of the thimble plate through a fastening screw, and a cover plate handle is arranged on the upper end surface of the thimble cover plate.

Preferably, the pressing plate is provided with a second through hole for the thimble to penetrate through, and the second through hole and the first through hole are coaxially arranged.

Preferably, the number of the die cavities is the same as that of the ejector pins.

Preferably, the base is further provided with a plurality of limiting columns, and the mold core is provided with avoidance positions matched with the limiting columns.

Preferably, the compressing device comprises a compressing seat fixedly mounted on the base and a compressing main body fixedly mounted on the compressing seat, a compressing handle is arranged on the compressing main body and movably connected with a compressing arm through a connecting shaft, a compressing block is fixedly mounted on the compressing arm and is in contact connection with the pressing plate.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model provides a tool is rejected to silica gel earmuff PA rubber core, this tool is by the thimble apron, the thimble board, a pressing plate, mold core and base constitute, overall structure is simple, and reasonable in design, through set up the thimble on the thimble board, this thimble from top to bottom runs through inside extending to the mold core behind the clamp plate, and it is ejecting with the PA rubber core of mold cavity, through setting up many thimbles, can reject the PA chip on a plurality of silica gel earmuffs simultaneously, the efficiency of processing is improved, and adopt the tool to reject and replace traditional manual work, the artificial intensity of labour has been reduced, the security is good simultaneously.

2. The utility model discloses a set up a plurality of spacing posts on the base, set up on the mold core and dodge the position with spacing post assorted, when the mold core is installed on the base, can carry on spacingly through spacing post, prevent that the mold core from taking place the displacement at the in-process of drawing of patterns, through being provided with a plurality of reference columns on base along its circumferencial direction, every reference column is pegged graft with the clamp plate by running through the mold core from bottom to top, the location installation of the clamp plate of being convenient for, therefore, the clothes hanger is strong in practicability, through being provided with closing device on the arbitrary diagonal angle at the base, this closing device can effectual improvement tool's stability.

Drawings

FIG. 1 is a diagram of a silica gel earcap with a PA rubber core in the background art of the present invention;

FIG. 2 is an exploded view of the present invention;

FIG. 3 is an overall structure diagram of the present invention;

FIG. 4 is a structural diagram of the mold core of the present invention;

fig. 5 is a structural diagram of the compressing device of the present invention.

The reference numerals and names in the figures are as follows:

1. a thimble cover plate; 2. an ejector plate; 3. pressing a plate; 4. a mold core; 41. a mold cavity; 42. a first through hole; 5. a base; 6. a thimble; 7. a positioning column; 8. a compressing device; 81. a pressing seat; 82. compressing the main body; 83. a compression handle; 84. a connecting shaft; 85. a pressing arm; 86. a compression block; 9. fastening screws; 10. a cover plate handle; 11. avoidance positions; 12. a positioning pin; 13. a second through hole; 14. a limiting post; 111. PA rubber core; 112. silica gel earmuffs.

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 embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 2 to 4, the present invention provides an embodiment: the utility model provides a tool is rejected to silica gel earmuff PA rubber core, the tool includes thimble apron 1, thimble board 2, clamp plate 3, mold core 4 and base 5, and wherein thimble apron 1 is through fastening screw 9 fixed mounting at the up end of thimble board 2, and 1 up end of thimble apron is provided with apron handle 10, thimble board 2 is located between thimble apron 1 and the clamp plate 3, and is provided with thimble 6 on the thimble board 2, thimble 6 extends to inside the mold core 4 after running through clamp plate 3 from top to bottom, mold core 4 is located between clamp plate 3 and the base 5, and the lower extreme of mold core 4 is inwards sunken to be formed with a plurality of die cavities 41, every first through-hole 42 has all been seted up on the die cavity 41, base 5 is provided with a plurality of reference columns 7 along its circumferencial direction on, every reference column 7 is pegged graft with clamp plate 3 after running through mold core 4 from bottom to top, be provided with closing device 8 on the arbitrary diagonal angle of base 5, closing device 8 compresses tightly clamp plate 3 in the upper end of mold core 4, the tool still includes positioning pin 12, positioning pin 12 is provided with four positioning pin 12 is last down run through positioning pin board 1, thimble board 2, thimble board 4 contact with the thimble board 4 in proper order.

Specifically, a second through hole 13 for the thimble 6 to penetrate through is formed in the pressing plate 3, the second through hole 13 and the first through hole 42 are coaxially arranged, and when the thimble 6 extends into the mold core 4, the thimble can be inserted into the mold cavity 41 through the second through hole 13, so that the PA rubber core in the mold cavity 41 is removed.

Specifically, the number of the mold cavities 41 is the same as that of the ejector pins 6, the number of the mold cavities 41 and that of the ejector pins 6 are 30 in the embodiment, 30 PA rubber cores can be simultaneously removed in the demolding process, and the processing efficiency is effectively improved.

Specifically, still be provided with a plurality of spacing posts 14 on the base 5, be provided with on the mold core 4 and dodge position 11 with spacing post 14 assorted, when mold core 4 installs on base 5, can carry out spacing through spacing post 14, prevent that mold core 4 from taking place the displacement at the in-process of drawing of patterns.

Referring to fig. 5, the pressing device 8 in the drawing includes a pressing base 81 fixedly mounted on the base 5 and a pressing main body 82 fixedly mounted on the pressing base 81, a pressing handle 83 is disposed on the pressing main body 82, the pressing handle 83 is movably connected to a pressing arm 85 through a connecting shaft 84, a pressing block 86 is fixedly mounted on the pressing arm 85, the pressing block 86 is in contact connection with the pressing plate 3, when the pressing handle 83 is pressed forcibly, the pressing block 86 presses the pressing plate 3, so that the mold core 4 is prevented from being displaced during operation, and the practicability is high.

It should be noted that the jig in this embodiment is used to remove the PA rubber core 111 in fig. 1 from the silicone earmuff 112, and specifically includes the following operations: taking out the mold core 4 after oil pressure forming from the mold, forming a silica gel earmuff 112 with a PA rubber core 111 in the mold core 4, then installing the mold core 4 on the jig according to the structure, placing the mold core 4 on the base 5 in the installation process, placing the pressing plate 3, the ejector pin plate 2 and the ejector pin cover plate 1 above the mold core 4 from bottom to top in sequence, enabling the ejector pin 6 on the ejector pin plate 2 to penetrate through the pressing plate 3 and then extend into the mold cavity 41 through the first through hole 42, and removing the PA rubber core 111 in the mold cavity 41 from the silica gel earmuff 112.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 (7)

1. The utility model provides a tool is rejected to silica gel earmuff PA rubber core which characterized in that: including faller (1), thimble board (2), clamp plate (3), mold core (4) and base (5), thimble board (2) are located between faller (1) and clamp plate (3), and are provided with thimble (6) on thimble board (2), thimble (6) from top to bottom run through behind clamp plate (3) extend to inside mold core (4), mold core (4) are located between clamp plate (3) and base (5), and the lower extreme of mold core (4) inwards is formed with a plurality of die cavities (41), every first through-hole (42) have all been seted up on die cavity (41), base (5) are provided with a plurality of reference columns (7) along its circumferencial direction, every reference column (7) are pegged graft with clamp plate (3) after running through mold core (4) from bottom to top, be provided with closing device (8) on the arbitrary diagonal angle of base (5), closing device (8) compress tightly clamp plate (3) at the up end of mold core (4).

2. The silica gel earmuff PA rubber core removing jig as claimed in claim 1, wherein: still include pilot pin (12), pilot pin (12) are provided with four, four pilot pin (12) from top to bottom run through in proper order behind apron (1), thimble board (2), clamp plate (3) and mold core (4) contact connection.

3. The silica gel earmuff PA rubber core removing jig as claimed in claim 1, wherein: the ejector pin cover plate (1) is fixedly arranged on the upper end face of the ejector pin plate (2) through a fastening screw (9), and a cover plate handle (10) is arranged on the upper end face of the ejector pin cover plate (1).

4. The silica gel earmuff PA rubber core removing jig as claimed in claim 1, wherein: and a second through hole (13) for the thimble (6) to penetrate through is formed in the pressing plate (3), and the second through hole (13) and the first through hole (42) are coaxially arranged.

5. The silica gel earcap PA rubber core removing jig according to claim 1, characterized in that: the number of the die cavities (41) is the same as that of the ejector pins (6).

6. The silica gel earmuff PA rubber core removing jig as claimed in claim 1, wherein: the base (5) is further provided with a plurality of limiting columns (14), and the mold core (4) is provided with avoidance positions (11) matched with the limiting columns (14).

7. The silica gel earmuff PA rubber core removing jig as claimed in claim 1, wherein: compressing device (8) compress tightly seat (81) and fixed mounting compressing tightly main part (82) on compressing tightly seat (81) including fixed mounting on base (5), it compresses tightly handle (83) to be provided with on compressing tightly main part (82), compress tightly handle (83) through connecting axle (84) and compress tightly arm (85) swing joint, fixed mounting has compact heap (86) on compressing tightly arm (85), compact heap (86) and clamp plate (3) contact are connected.

Images