CN219076357U - Front shell injection mold of vehicle-mounted instrument - Google Patents

Abstract

The utility model discloses an injection mold for a front shell of a vehicle-mounted instrument, which comprises a base, square irons and a lower mold base, wherein an upper mold base, an upper base plate and a top mold plate are sequentially arranged on the lower mold base from bottom to top, a lower mold core is arranged in the lower mold base, a plurality of first forming rods are arranged in the lower mold base, a forming groove is formed in the top of each first forming rod, an upper mold core is arranged in the upper mold base, a second forming rod is arranged in the upper mold base, forming convex blocks are respectively arranged at the upper end and the lower end of the same side of each upper mold core, forming grooves matched with the forming convex blocks are formed in the lower mold core, a glue inlet flow channel is formed in the top mold plate, and a material ejection component is arranged between the square irons. The injection molding machine is used for injection molding the front shell of the vehicle-mounted instrument, the injection molding front shell of the instrument is smooth in plane, secondary processing is not needed, the production quality of products is guaranteed, the mold structure is simplified, the assembly difficulty of the mold is simplified, the service life of the mold is effectively prolonged, the injection molding efficiency is high, and the production requirements are met.

Description

Front shell injection mold of vehicle-mounted instrument

Technical Field

The utility model relates to the field of injection molds, in particular to an injection mold for a front shell of a vehicle-mounted instrument.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and precise dimensions. Injection molding is a process used in mass production of parts of complex shape. Specifically, the heated and melted plastic is injected into a die cavity under high pressure by an injection molding machine, and a formed product is obtained after cooling and solidification. The injection mold generally comprises an upper mold, a lower mold, an upper mold core arranged on the upper mold, a lower mold core arranged on the lower mold core, and a mold clamping/demolding device for matching the upper mold core and the lower mold core to complete injection molding.

In the field of automobile products, automobile parts are mostly injection molded through injection molds, such as vehicle-mounted hollow panels, sound front shells and the like, so that the integrity and the attractiveness of the parts are ensured. In the existing mold, the injection mold of the front shell of the vehicle-mounted instrument has the advantages of complex structure, poor molding effect, low production efficiency, short service life of the mold and high production cost.

Disclosure of Invention

The utility model solves the technical problem of providing a vehicle-mounted instrument front shell injection mold aiming at the defects in the prior art so as to solve the problems in the background art.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a vehicle-mounted instrument front shell injection mold, includes base, square iron and die holder, the square iron is installed on the both sides of base, the die holder is installed on the square iron, upper die base, upper padding plate and cope match-plate pattern have been set gradually from bottom to top on the die holder, be provided with the lower mould benevolence in the die holder, be provided with a plurality of upwards extending through the first shaping pole of lower mould benevolence in the die holder, the top of first shaping pole be provided with lower mould benevolence matched with be used for shaping the shaping groove of front shell, be provided with the upper mould benevolence in the upper die base, be provided with downwards extending through the second shaping pole of upper mould benevolence in the upper die base, the same one side upper and lower both ends of upper mould benevolence are provided with the shaping lug respectively, be provided with on the lower mould benevolence with shaping recess with shaping lug matched with in the cope match-plate pattern, be provided with into the runner; when the die is assembled, the lower die core and the upper die core form a cavity of the formed front shell, the cavity is communicated with the glue inlet runner, a material ejection assembly is arranged between the square irons, extends upwards to penetrate through the lower die base and the lower die core to contact with the formed front shell, and is ejected by an external ejection roller or is driven by self-reset thereof to move upwards, so that the formed front shell is ejected out of the cavity to discharge.

As a further explanation of the above technical solution:

in the above technical scheme, the liftout subassembly includes bottom plate, roof and a plurality of jack-up post, bottom plate and roof set up between the square iron and from bottom to top set gradually, the jack-up post is installed on the bottom plate and upwards extend and pass the die holder with the lower mould benevolence contacts with fashioned backshell, promotes the backshell upward separation that the injection molding was accomplished and takes off the material.

In the above technical scheme, the material ejection assembly further comprises a first guide column, and the first guide column is arranged on the base and extends upwards to penetrate through the bottom plate, the top plate and the lower die holder.

In the above technical scheme, a first accommodating cavity is formed in the lower die holder, the lower die core is embedded in the first accommodating cavity, a second accommodating cavity is formed in the upper die holder, and the upper die core is embedded in the second accommodating cavity.

In the technical scheme, the base is fixedly connected with the square iron, the square iron is fixedly connected with the lower die holder, the upper die holder is fixedly connected with the upper base plate, and the upper base plate is fixedly connected with the top template through bolts.

In the above technical scheme, the die further comprises a second guide post, wherein the second guide post is arranged on the top template, and extends downwards to penetrate through the upper base plate and the upper die holder to be fixedly connected with the lower die holder, and the upper die holder can slide up and down on the second guide post.

Compared with the prior art, the utility model has the beneficial effects that: the injection molding machine is used for injection molding the front shell of the vehicle-mounted instrument, the injection molding front shell of the instrument is smooth in plane, secondary processing is not needed, the production quality of products is guaranteed, the mold structure is simplified, the assembly difficulty of the mold is simplified, the service life of the mold is effectively prolonged, the injection molding efficiency is high, and the production requirements are met.

Drawings

FIG. 1 is a schematic view of the structure of a front case of a vehicle-mounted instrument;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic exploded view of the present utility model;

FIG. 4 is a first partial schematic construction of the present utility model;

fig. 5 is a second partial structural schematic of the present utility model.

In the figure: 1. a base; 2. square iron; 3. a lower die holder; 4. an upper die holder; 5. an upper backing plate; 6. a top template; 7. a lower die core; 8. a first forming bar; 9. a forming groove; 10. an upper die core; 11. a second forming bar; 12. forming a bump; 13. forming a groove; 14. a glue inlet flow passage; 15. a material ejection assembly; 16. a bottom plate; 17. a top plate; 18. a top column; 19. a first guide post; 20. a first receiving cavity; 21. a second receiving cavity; 22. and a second guide post.

Detailed Description

The utility model is described in further detail below with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended for purposes of illustrating the present application and are not to be construed as limiting the present application. In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description 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 application. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a number", "a plurality" or "a plurality" is two or more, unless explicitly defined otherwise. In the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be. In this application, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by way of additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is less level than the second feature.

As shown in fig. 1-5, an injection mold for a front shell of a vehicle-mounted instrument comprises a base 1, square iron 2 and a lower mold holder 3, wherein the square iron 2 is arranged on two sides of the base 1, the lower mold holder 3 is arranged on the square iron 2, an upper mold holder 4, an upper base plate 5 and a top mold plate 6 are sequentially arranged on the lower mold holder 3 from bottom to top, a lower mold core 7 is arranged in the lower mold holder 3, a plurality of first molding rods 8 which upwards extend through the lower mold core 7 are arranged in the lower mold holder 3, a molding groove 9 which is matched with the lower mold core 7 and is used for molding the front shell is arranged at the top of the first molding rods 8, an upper mold core 10 is arranged in the upper mold holder 4, second molding rods 11 which downwards extend through the upper mold core 10 are arranged in the upper mold holder 4, molding lugs 12 are respectively arranged at the upper end and the lower end of the same side of the upper mold core 10, grooves 13 which are matched with the molding lugs 12 are arranged on the lower mold core 7, and a runner 14 is arranged in the top mold plate 6. When the die is assembled, the lower die core 7 and the upper die core 10 form a die cavity of the formed front shell, the die cavity is communicated with the glue inlet runner 14, a material ejection assembly 15 is arranged between the square irons 2, and the material ejection assembly 15 extends upwards to penetrate through the lower die base 3 and the lower die core 7 to be in contact with the formed front shell, and is jacked by an external jacking roller or is driven by self-reset thereof to move upwards, so that the formed front shell is jacked out of the die cavity to be discharged.

In this embodiment, as shown in fig. 3 and fig. 4, the ejector assembly 15 includes a bottom plate 16, a top plate 17 and a plurality of ejector pillars 18, the bottom plate 16 and the top plate 17 are disposed between the square irons 2 and sequentially disposed from bottom to top, the ejector pillars 18 are disposed on the bottom plate 16 and extend upward to pass through the lower die holder 3 and the lower die core 7 to contact with the molded rear shell, so as to push the molded rear shell to separate and strip the molded rear shell upward. The ejector assembly 15 further includes a first guide post 19, where the first guide post 19 is mounted on the base 1 and extends upward to pass through the bottom plate 16, the top plate 17 and the lower die holder 3, so as to ensure stable up-and-down movement of the ejector post 18.

Specifically, as shown in fig. 4 and 5, the lower die holder 3 is provided with a first accommodating cavity 20, and the lower die core 7 is embedded in the first accommodating cavity 20, so that the lower die holder 3 is more stably and firmly installed. The second accommodating cavity 21 is formed in the upper die holder 4, and the upper die core 10 is embedded in the second accommodating cavity 21, so that the upper die core 10 is more stable and firm to install, and stable injection molding is ensured.

In this embodiment, the base 1 is fixedly connected with the square iron 2, the square iron 2 is fixedly connected with the lower die holder 3, the upper die holder 4 is fixedly connected with the upper base plate 5, and the upper base plate 5 is fixedly connected with the top die plate 6 through bolts.

As shown in fig. 3, the die further includes a second guide post 22, where the second guide post 22 is mounted on the top die plate 6 and extends downward to penetrate through the upper pad 5 and the upper die holder 4 to be fixedly connected with the lower die holder 3, and the upper die holder 4 can slide up and down on the second guide post 22.

The injection molding machine is used for injection molding the front shell of the vehicle-mounted instrument, the injection molding front shell of the instrument is smooth in plane, secondary processing is not needed, the production quality of products is guaranteed, the mold structure is simplified, the assembly difficulty of the mold is simplified, the service life of the mold is effectively prolonged, the injection molding efficiency is high, and the production requirements are met.

The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model still fall within the scope of the technical solutions of the present utility model.

Claims (6)

1. The injection mold for the front shell of the vehicle-mounted instrument is characterized by comprising a base, square irons and a lower mold base, wherein the square irons are arranged on two sides of the base, the lower mold base is arranged on the square irons, an upper mold base, an upper base plate and a top mold plate are sequentially arranged on the lower mold base from bottom to top, a lower mold core is arranged in the lower mold base, a plurality of first forming rods which upwards extend to penetrate through the lower mold core are arranged in the lower mold base, a forming groove which is matched with the lower mold core and is used for forming the front shell is formed in the top of the first forming rods, an upper mold core is arranged in the upper mold base, a second forming rod which downwards extends to penetrate through the upper mold core is arranged in the upper mold base, forming convex blocks are respectively arranged at the upper end and the lower end of the same side of the upper mold core, forming grooves which are matched with the forming convex blocks are formed in the lower mold core, and a glue inlet flow channel is formed in the top mold plate; when the die is assembled, the lower die core and the upper die core form a cavity of the formed front shell, the cavity is communicated with the glue inlet runner, a material ejection assembly is arranged between the square irons, extends upwards to penetrate through the lower die base and the lower die core to contact with the formed front shell, and is ejected by an external ejection roller or is driven by self-reset thereof to move upwards, so that the formed front shell is ejected out of the cavity to discharge.

2. The injection mold for the front shell of the vehicle-mounted instrument according to claim 1, wherein the ejection assembly comprises a bottom plate, a top plate and a plurality of ejection posts, the bottom plate and the top plate are arranged between the square irons and are sequentially arranged from bottom to top, the ejection posts are arranged on the bottom plate and extend upwards to penetrate through the lower die holder and the lower die core to contact with the formed rear shell, and the rear shell after injection molding is pushed to be separated and ejected upwards.

3. The vehicle instrument front shell injection mold of claim 2, wherein the ejector assembly further comprises a first guide post mounted to the base and extending upwardly through the bottom plate, the top plate and the lower die holder.

4. The injection mold of the front shell of the vehicle-mounted instrument of claim 1, wherein a first accommodating cavity is formed in the lower mold base, the lower mold insert is embedded in the first accommodating cavity, a second accommodating cavity is formed in the upper mold base, and the upper mold insert is embedded in the second accommodating cavity.

5. The vehicle-mounted instrument front shell injection mold of claim 1, wherein the base is fixedly connected with the square iron, the square iron is fixedly connected with the lower die holder, the upper die holder is fixedly connected with the upper base plate, and the upper base plate is fixedly connected with the top template through bolts.

6. The vehicle-mounted instrument front shell injection mold of claim 1, further comprising a second guide post, wherein the second guide post is mounted on the top template and extends downward to penetrate through the upper base plate and the upper mold base to be fixedly connected with the lower mold base, and the upper mold base can slide up and down on the second guide post.

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