CN212860232U

CN212860232U - Injection mold for machining decorative cover

Info

Publication number: CN212860232U
Application number: CN202021124219.XU
Authority: CN
Inventors: 乐凯杰
Original assignee: Ningbo Aile Health Electrical Technology Co ltd
Current assignee: Ningbo Aile Health Electrical Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-04-02
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to an injection mold for processing a decorative cover, which comprises an upper mold base and a lower mold base, an upper mold core and a lower mold core which are stacked up and down are arranged between the upper mold base and the lower mold base, a molding column inserted into the mold cavity is arranged at the upper end of the lower mold core, a plurality of inclined guide grooves are arranged on the periphery of the outer side of the forming column, the orientation of the inclined guide grooves is obliquely and upwards arranged from the outer side of the forming column to the middle part of the forming column, inclined guide rods are arranged in the inclined guide grooves in a sliding manner, the upper end of the inclined guide rod is provided with a hook-shaped forming part which is used for assisting the product to be reversely buckled and formed, the lower end of the lower die holder is provided with a top plate which can slide up and down, the upper end of the top plate is provided with a sliding seat which is in sliding connection with the inclined guide rods, when the top plate moves upwards, the inclined guide rods are obliquely and upwards ejected out along the inclined guide grooves, and the upper ends of all the inclined guide rods are relatively closed. The utility model discloses an oblique guide arm of each group all adopts the structure that upwards contracts gradually, and the required product is produced in the drawing of patterns of the back-off of can being convenient for.

Description

Injection mold for machining decorative cover

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold for processing decorate cover.

Background

The injection mold is a tool for producing plastic products and also a tool for endowing the plastic products with complete structures and accurate dimensions, and the injection molding is a processing method used for batch production of parts with complex shapes, in particular to a method for injecting heated and melted plastics into a mold cavity from an injection molding machine at high pressure and obtaining a formed product after cooling and solidification.

Whether the quality of the decoration cover is qualified or not can be determined when the decoration cover is formed in the mold, the main factor influencing the quality of the decoration cover is the structure of the mold, the decoration cover is in a circular ring shape, four reverse buckles are arranged around an inner hole at the bottom of the decoration cover, and the common core-pulling can not form the reverse buckles, so that the mold structure needs to be redesigned.

Disclosure of Invention

The utility model aims to solve the technical problem that an injection mold for processing decorate cover is provided, each group's oblique guide arm all adopts the structure that upwards contracts gradually, and the required product is produced in the drawing of patterns of the back-off of can being convenient for.

The utility model provides a technical scheme that its technical problem adopted is: provides an injection mold for processing a decorative cover, which comprises an upper mold base and a lower mold base, wherein an upper mold core and a lower mold core which are stacked up and down are arranged between the upper mold base and the lower mold base, a die cavity is formed between the upper die core and the lower die core, a forming column inserted into the die cavity is arranged at the upper end of the lower die core, a plurality of inclined guide grooves are arranged on the periphery of the outer side of the forming column, the orientation of the inclined guide grooves is obliquely and upwards arranged from the outer side of the forming column to the middle part of the forming column, inclined guide rods are arranged in the inclined guide grooves in a sliding manner, the upper end of the inclined guide rod is provided with a hook-shaped forming part which is used for assisting in back-off forming, the lower end of the lower die holder is provided with a top plate which can slide up and down, the upper end of the top plate is provided with a sliding seat which is in sliding connection with the inclined guide rod, when the top plate moves upwards, the inclined guide rod is obliquely and upwards ejected out along the inclined guide groove, and the upper ends of the inclined guide rods which are positioned around the forming column relatively move together.

As right technical scheme a supplement, the oblique guide arm lower extreme be the T type of invering, this slide upper portion be equipped with oblique guide arm lower extreme complex spout.

As a supplement to the technical scheme of the utility model, the roof on vertically install the thimble that a plurality of inserted the die cavity.

As right technical scheme a supplement, upper die base upper end install mould backing plate and an upper fixing plate in proper order from bottom to top, upper fixing plate mid-mounting have the gating system, this gating system is linked together with the die cavity.

As right technical scheme a supplement, every oblique guide arm's middle part all overlaps and has a deflector, this deflector embedding is installed in the die holder bottom.

As right technical scheme a supplementary lower mould core upper end around the shaping post arranged annular protruding, this annular protruding up end and shaping post up end equipartition have been put and have been used for the shaping netted protruding muscle to become the shaping groove.

Has the advantages that: the utility model relates to an injection mold for processing decoration cover, after the decoration cover is formed, the mold is opened, an upper mold base and an upper mold core are moved upwards, then a control top plate is moved upwards, inclined guide rods are ejected upwards along the inclined guide grooves in an inclined way, four inclined guide rods form a group, the upper ends of each group of inclined guide rods can be relatively closed, a hook-shaped forming part is separated from the back-off of a product, and meanwhile, an ejector pin on the top plate can eject the product out of the mold cavity; the guide plate belongs to a quick-wear part and needs to be replaced regularly, and the guide plate is embedded and installed at the bottom of the lower die holder and is convenient to replace. The utility model discloses an oblique guide arm of each group all adopts the structure that upwards contracts gradually, and the required product is produced in the drawing of patterns of the back-off of can being convenient for.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a schematic structural view of the lower die holder according to the present invention;

fig. 3 is a schematic structural view of the forming column of the present invention;

fig. 4 is a schematic structural view of the inclined guide rod and the slide seat according to the present invention;

fig. 5 is a schematic structural view of the inclined guide rod, the product, the slide seat and the guide plate according to the present invention;

fig. 6 is a schematic structural diagram of a product according to the present invention.

The figure is as follows: 1. the die comprises an upper die base, 2, an upper die core, 3, a lower die core, 4, a lower die base, 5, an inclined guide rod, 6, a product, 7, a top plate, 8, a forming column, 9, an upper die backing plate, 10, an upper die fixing plate, 11, a pouring system, 12, an inclined guide groove, 13, a forming part, 14, a sliding groove, 15, a sliding seat, 16, a guide plate, 17, an inverted buckle, 18, an annular bulge, 19 and a forming groove.

Detailed Description

The present invention will be further described with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and these equivalents also fall within the scope of the appended claims.

The utility model discloses an embodiment relates to an injection mold for processing decorate cover, as shown in fig. 1-6, including upper die base 1 and die holder 4, upper die core 2 and lower die core 3 that stack from top to bottom install between upper die base 1 and die holder 4, form the die cavity between upper die core 2 and the lower die core 3, lower die core 3 upper end install the shaping post 8 that inserts the die cavity, a plurality of oblique guide slots 12 have been arranged around this shaping post 8 outside, the orientation of oblique guide slot 12 for from the shaping post 8 outside toward shaping post 8 middle part direction slope upwards arrange, oblique guide slot 12 in sliding installation have oblique guide arm 5, this oblique guide arm 5 upper end install crook shaped part 13, shaped part 13 be used for assisting the back-off 17 shaping, die holder 4 lower extreme install gliding roof 7 from top to bottom, this roof 7 upper end install with oblique guide arm 5 sliding connection's slide 15, when the top plate 7 moves upwards, the inclined guide rods 5 are obliquely and upwards ejected out along the inclined guide grooves 12, and the upper ends of the inclined guide rods 5 positioned around the forming column 8 move relatively together.

The lower end of the inclined guide rod 5 is inverted T-shaped, and the upper part of the sliding seat 15 is provided with a sliding groove 14 matched with the lower end of the inclined guide rod 5.

And a plurality of thimbles inserted into the die cavity are vertically arranged on the top plate 7.

The upper die base is characterized in that an upper die base plate 9 and an upper die fixing plate 10 are sequentially arranged at the upper end of the upper die base 1 from bottom to top, a pouring system 11 is arranged in the middle of the upper die fixing plate 10, and the pouring system 11 is communicated with a die cavity.

The middle part of each inclined guide rod 5 is sleeved with a guide plate 16, and the guide plate 16 is embedded and installed at the bottom of the lower die holder 4. The guide plate 16 is a wearing part and needs to be replaced periodically.

The upper end of the lower mold core 3 is provided with an annular bulge 18 around the forming column 8, and the upper end surface of the annular bulge 18 and the upper end surface of the forming column 8 are provided with forming grooves 19 for forming the reticular convex ribs. The gap between the annular projection 18 and the forming post 8 forms an annular groove which is also part of the means for forming the web-like bead.

The product 6 is a decorative cover, and the injection mold is a mold with two cavities in one mold, and has two mold cavities in total. The upper end of the lower die core 3 is provided with two forming columns 8 which are inserted into the die cavity, four inclined guide grooves 12 are arranged around the outer side of each forming column 8, and four inclined guide rods 5 form a group. When the decoration cover needs to be produced, debugging is carried out firstly, after the debugging is finished, the upper die holder 1 and the lower die holder 4 as well as the upper die core 2 and the lower die core 3 are folded, the molten plastic is injected into the die cavity after the completion, the molten plastic is injected into the two die cavities in two ways through the pouring system 11, the die cavity is filled with the molten plastic, after the completion, cooling water is input into a cooling pipeline in the lower die holder 4, the mould is cooled, after the decorative cover is formed, the mould is opened, the upper mould base 1 and the upper mould core 2 move upwards, then the top plate 7 is controlled to move upwards, the inclined guide rods 5 are obliquely and upwards ejected out along the inclined guide grooves 12, the upper ends of each group of inclined guide rods 5 are relatively closed, the hook-shaped forming portion 13 is disengaged from the undercut 17 of the product 6 and the ejector pin on the top plate 7 ejects the product 6 from the cavity.

Claims

1. The utility model provides an injection mold for processing decorate cover, includes upper die base (1) and die holder (4), upper die base (1) and die holder (4) between install last mold core (2) and lower mold core (3) that stack from top to bottom, last mold core (2) and lower mold core (3) between form die cavity, its characterized in that: lower mold core (3) upper end install and insert shaping post (8) of die cavity, the outside of this shaping post (8) has arranged a plurality of oblique guide slot (12) all around, the orientation of oblique guide slot (12) for upwards arranging toward shaping post (8) middle part direction slope from shaping post (8) outside, oblique guide slot (12) slidable mounting have oblique guide arm (5), curved hooked shaping portion (13) are installed to this oblique guide arm (5) upper end, shaping portion (13) be used for supplementary back-off (17) shaping, die holder (4) lower extreme install gliding roof (7) from top to bottom, slide (15) with oblique guide arm (5) sliding connection are installed to this roof (7) upper end, when roof (7) upward movement, lie in shaping post (8) oblique guide arm (5) all around its upper end and draw together the motion relatively.

2. An injection mold for manufacturing a decorative cover according to claim 1, characterized in that: the lower end of the inclined guide rod (5) is in an inverted T shape, and the upper part of the sliding seat (15) is provided with a sliding groove (14) matched with the lower end of the inclined guide rod (5).

3. An injection mold for manufacturing a decorative cover according to claim 1, characterized in that: and a plurality of thimbles inserted into the die cavity are vertically arranged on the top plate (7).

4. An injection mold for manufacturing a decorative cover according to claim 1, characterized in that: the upper die is characterized in that an upper die base plate (9) and an upper die fixing plate (10) are sequentially arranged at the upper end of the upper die base (1) from bottom to top, a pouring system (11) is arranged in the middle of the upper die fixing plate (10), and the pouring system (11) is communicated with the die cavity.

5. An injection mold for manufacturing a decorative cover according to claim 1, characterized in that: the middle part of each inclined guide rod (5) is sleeved with a guide plate (16), and the guide plate (16) is embedded and installed at the bottom of the lower die holder (4).

6. An injection mold for manufacturing a decorative cover according to claim 1, characterized in that: the upper end of the lower mold core (3) is provided with an annular bulge (18) around the forming column (8), and the upper end surface of the annular bulge (18) and the upper end surface of the forming column (8) are uniformly provided with forming grooves (19) for forming the net-shaped convex ribs.