CN215550646U

CN215550646U - Vehicle instrument backshell injection mold

Info

Publication number: CN215550646U
Application number: CN202121201297.XU
Authority: CN
Inventors: 周照明; 吴聪
Original assignee: Dongguan Desheng Plastic Products Co ltd
Current assignee: Dongguan Desheng Plastic Products Co ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-01-18
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses an injection mold for a rear shell of a vehicle-mounted instrument, which comprises a base, square iron and a lower die seat, wherein an upper die seat, an upper padding plate, an upper partition plate and a top template are sequentially arranged on the lower die seat from bottom to top, the upper die seat is connected with the lower die seat in an opening-closing manner, a lower die core is arranged in the lower die seat, an upper die core movably butted with the lower die core is arranged in the upper die seat, a forming die core is arranged in the lower die core, a plurality of forming rods upwards penetrating through the forming die core are arranged in the lower die core, forming grooves matched with the forming die core and used for forming a product are formed in the tops of the forming rods, a glue inlet flow passage is arranged in the upper die seat, and a material ejecting assembly is arranged between the square iron. The injection molding machine is used for injection molding of the rear shell of the vehicle-mounted instrument, has a simple structure and high injection molding efficiency, effectively reduces the waste of raw materials in the injection molding process, prolongs the service life of a mold, and ensures the production quality of a product.

Description

Vehicle instrument backshell injection mold

Technical Field

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

Background

An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification. The injection mold generally includes an upper mold, a lower mold, an upper mold core disposed on the upper mold, a lower mold core disposed on the lower mold core, and a matched mold closing/releasing operation between the upper mold core and the lower mold core is performed to complete the injection molding.

In the field of automobile products, most automobile parts are formed by injection molding through an injection mold, such as a vehicle-mounted hollow panel and a sound box rear shell, and the integrity and the attractiveness of the parts are guaranteed. In the existing mold, the injection mold of the sound box back shell has the disadvantages of complex structure, poor forming effect, low production efficiency, short service life of the mold and high production cost.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to provide a vehicle instrument back shell injection mold aiming at the defects in the prior art, so as to solve the problems in the background technology.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: an injection mold for a rear shell of a vehicle-mounted instrument comprises a base, square iron and a lower die holder, wherein the square iron is arranged on two sides of the base, the lower die holder is arranged on the square iron, an upper die holder, an upper backing plate, an upper partition plate and a top template are sequentially arranged on the lower die holder from bottom to top, the upper die holder is connected with the lower die holder in an opening-closing manner, a lower die core is arranged in the lower die holder, an upper die core movably butted with the lower die core is arranged in the upper die holder, a forming die core is arranged in the lower die core, a plurality of forming rods penetrating through the forming die core upwards are arranged in the lower die core, a forming groove matched with the forming die core and used for forming a product is arranged at the tops of the forming rods, and a glue inlet flow passage is arranged in the upper die holder; when the die is closed, the forming die core and the upper die core form a cavity of the formed rear shell, the cavity is communicated with the glue inlet flow channel, an ejection component is arranged between the square irons, the ejection component extends upwards to penetrate through the lower die base, the lower die core and the forming die core to be contacted with the formed rear shell, and the ejection component is ejected by an external ejection roller or moves upwards through self-resetting transmission of the ejection component to eject the formed rear shell out of the cavity for discharging.

As a further elaboration of the above technical solution:

in the technical scheme, the liftout subassembly includes bottom plate, roof, a plurality of ejector pin and a plurality of oblique fore-set, bottom plate and roof setting are in set gradually from bottom to top between the square iron, the ejector pin is installed on the bottom plate and upwards run through the roof, the bottom of oblique fore-set respectively with corresponding ejector pin fixed connection upwards extends the die holder the lower mould benevolence with shaping mould benevolence contacts with fashioned backshell, promotes the backshell of the completion of moulding plastics upwards to separate the stripping.

In the above technical scheme, the ejection assembly further includes a first guide post, and the first guide post is installed on the base and extends upwards through the bottom plate, the top plate and the lower die holder.

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

In the above technical scheme, the base and the square iron, the square iron and the lower die base, the upper die base and the upper padding plate, the upper padding plate and the upper partition plate, and the upper partition plate and the top die plate are all fixedly connected through bolts.

In the above technical scheme, the die further comprises a second guide pillar, the second guide pillar is mounted on the top die plate and extends downwards to penetrate through the upper partition plate, the upper backing plate and the upper die holder to be contacted with the lower die holder, and the upper die holder can slide up and down on the second guide pillar.

In the technical scheme, the side surface of the lower die core is provided with the insert, and the lower die base is internally provided with a groove matched with the insert.

Compared with the prior art, the utility model has the beneficial effects that: the injection molding machine is used for injection molding of the rear shell of the vehicle-mounted instrument, has a simple structure and high injection molding efficiency, effectively reduces the waste of raw materials in the injection molding process, prolongs the service life of a mold, and ensures the production quality of a product.

Drawings

FIG. 1 is a schematic structural view of a rear housing of a vehicle instrument;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic view of an exploded structure of the present invention;

FIG. 4 is a first partial structural schematic of the present invention;

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

In the figure: 1. a base; 2. square iron; 3. a lower die holder; 4. an upper die holder; 5. an upper base plate; 6. an upper partition plate; 7. a top template; 8. a lower die core; 9. an upper die core; 10. molding a mold core; 11. forming a rod; 12. forming a groove; 13. a glue inlet flow channel; 14. a material ejecting component; 15. a base plate; 16. a top plate; 17. a top rod; 18. a slanted ejecting column; 19. a first guide post; 20. a first accommodating cavity; 21. a second accommodating cavity; 22. a second guide post; 23. a groove; 24. an insert.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. 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 present application, "a plurality" means two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; 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 application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1-5, an injection mold for a rear shell of a vehicle-mounted instrument, which is used for injection molding of the rear shell of the vehicle-mounted instrument, comprises a base 1, square iron 2 and a lower die holder 3, wherein the square iron 2 is arranged on two sides of the base 1, the lower die holder 3 is arranged on the square iron 2, an upper die holder 4, an upper padding plate 5, an upper partition plate 6 and a top template 7 are sequentially arranged on the lower die holder 3 from bottom to top, the upper die holder 4 is connected with the lower die holder 3 in an opening-closing manner, a lower die core 8 is arranged in the lower die holder 3, an upper die core 9 movably butted with the lower die core 8 is arranged in the upper die holder 4, a molding die core 10 is arranged in the lower die core 8, a plurality of molding rods 11 upwards penetrating through the molding die core 10 are arranged in the lower die core 8, a molding groove 12 matched with the molding die core 10 and used for molding a product is arranged at the top of the molding rods 11, and a glue inlet flow passage 13 is arranged in the upper die holder 4. When the die is closed, the forming die core 10 and the upper die core 9 form a die cavity for forming a rear shell, the die cavity is communicated with the glue inlet flow channel 13, the ejector component 14 is arranged between the square irons 2, the ejector component 14 extends upwards to penetrate through the lower die base 3, the lower die core 8 and the forming die core 10 to be contacted with the formed rear shell, and the formed rear shell is ejected out of the die cavity to be discharged by the ejection of an external ejection roller or the upward movement of the ejection roller due to self-resetting transmission of the ejection roller. The specific shape of the forming groove 12 at the top of the forming rod 11 can be set according to the forming requirement of the actual product, which is not limited in this embodiment.

As shown in fig. 3 and 5, an insert 24 is disposed on a side surface of the lower die core 8, and a groove 23 matched with the insert 24 is formed in the lower die base 3.

In this embodiment, as shown in fig. 2 and 5, the ejector assembly 14 includes a bottom plate 15, a top plate 16, a plurality of ejector rods 17 and a plurality of oblique ejector columns 18, the bottom plate 15 and the top plate 16 are disposed between the square irons 2 and are sequentially disposed from bottom to top, the ejector rods 17 are mounted on the bottom plate 15 and upwardly penetrate through the top plate 16, the bottoms of the oblique ejector columns 18 are respectively fixedly connected with the corresponding ejector rods 17 and upwardly extend through the lower die holder 3, the lower die core 8 and the molding die core 10 to contact with the molded rear shell, so as to push the molded rear shell to be separated and stripped upward. The ejection assembly 14 further comprises a first guide column 19, wherein the first guide column 19 is mounted on the base 1 and extends upwards to extend through the bottom plate 15, the top plate 16 and the lower die holder 3, so that the up-and-down movement of the ejector rod 17 and the inclined ejection column 18 is guided, and the stable ejection of the product is ensured.

In this embodiment, as shown in fig. 4 and 5, a first receiving cavity 20 is formed in the lower die base 3, and the lower die core 8 is embedded in the first receiving cavity 20, so that the lower die core 8 is stably installed in the lower die base 3. The upper die holder 4 is provided with a second accommodating cavity 21, and the upper die core 9 is embedded in the second accommodating cavity 21, so that the upper die core 9 is stably arranged in the upper die holder 4.

The base 1 and the square iron 2, the square iron 2 and the lower die base 3, the upper die base 4 and the upper backing plate 5, the upper backing plate 5 and the upper partition plate 6, and the upper partition plate 6 and the top template 7 are fixedly connected through bolts.

Specifically, as shown in fig. 3, the die further includes a second guide pillar 22, the second guide pillar 22 is mounted on the top die plate 7, and extends downward to penetrate through the upper partition plate 6, the upper cushion plate 5 and the upper die holder 4 to contact with the lower die holder 3, a guide sleeve (not shown) is respectively sleeved on each second guide pillar 22, the guide sleeve is disposed in the upper die holder 4, and the guide sleeve can slide up and down on the second guide pillar 22 to guide the up-down opening and closing of the upper die holder 4, so as to ensure the stability of the opening and closing of the upper die holder 4.

The injection molding machine is used for injection molding of the rear shell of the vehicle-mounted instrument, has a simple structure and high injection molding efficiency, effectively reduces the waste of raw materials in the injection molding process, prolongs the service life of a mold, and ensures the production quality of a product.

The technical scope of the present invention is not limited to the above embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the present invention still fall within the technical scope of the present invention.

Claims

1. The injection mold for the rear shell of the vehicle-mounted instrument is characterized by comprising a base, square iron and a lower die holder, wherein the square iron is arranged on two sides of the base, the lower die holder is arranged on the square iron, an upper die holder, an upper backing plate, an upper partition plate and a top template are sequentially arranged on the lower die holder from bottom to top, the upper die holder is connected with the lower die holder in an opening-closing manner, a lower die core is arranged in the lower die holder, an upper die core movably butted with the lower die core is arranged in the upper die holder, a forming die core is arranged in the lower die core, a plurality of forming rods upwards penetrating through the forming die core are arranged in the lower die core, a forming groove matched with the forming die core and used for forming a product is formed in the top of each forming rod, and a glue inlet flow passage is formed in the upper die holder; when the die is closed, the forming die core and the upper die core form a cavity of the formed rear shell, the cavity is communicated with the glue inlet flow channel, an ejection component is arranged between the square irons, the ejection component extends upwards to penetrate through the lower die base, the lower die core and the forming die core to be contacted with the formed rear shell, and the ejection component is ejected by an external ejection roller or moves upwards through self-resetting transmission of the ejection component to eject the formed rear shell out of the cavity for discharging.

2. The injection mold for the rear shell of the vehicle-mounted instrument according to claim 1, wherein the ejector assembly comprises a bottom plate, a top plate, a plurality of ejector rods and a plurality of inclined ejector columns, the bottom plate and the top plate are arranged between the square irons and are sequentially arranged from bottom to top, the ejector rods are arranged on the bottom plate and upwards penetrate through the top plate, the bottoms of the inclined ejector columns are respectively fixedly connected with the corresponding ejector rods and upwards extend through the lower die holder, the lower die core and the forming die core to be contacted with the formed rear shell, and the rear shell after injection molding is pushed to be separated upwards and stripped.

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

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

5. The injection mold for the rear shell of the vehicle-mounted instrument as claimed in claim 1, wherein the base and the square iron, the square iron and the lower die base, the upper die base and the upper padding plate, the upper padding plate and the upper partition plate, and the upper partition plate and the top die plate are fixedly connected through bolts.

6. The injection mold for the rear shell of the vehicle-mounted instrument as recited in claim 1, further comprising a second guide post, wherein the second guide post is mounted on the top mold plate and extends downward to penetrate through the upper partition plate, the upper padding plate and the upper mold base to contact with the lower mold base, and the upper mold base can slide up and down on the second guide post.

7. The injection mold for the rear shell of the vehicle-mounted instrument as claimed in claim 1, wherein the side surface of the lower mold core is provided with an insert, and the lower mold base is internally provided with a groove matched with the insert.