CN213919313U

CN213919313U - Double-color plastic mold for automotive interior parts

Info

Publication number: CN213919313U
Application number: CN202022521035.3U
Authority: CN
Inventors: 李新周
Original assignee: Chongqing Xutaili Precision Mould Co ltd
Current assignee: Chongqing Xutaili Precision Mould Co ltd
Priority date: 2020-11-04
Filing date: 2020-11-04
Publication date: 2021-08-10
Anticipated expiration: 2030-11-04

Abstract

The utility model relates to the technical field of double-color molds, in particular to a double-color plastic mold for automotive interior parts, which comprises a lower mold and an upper mold positioned above the lower mold, wherein a lower template is installed on the bottom wall of the lower mold, guide rods are arranged on the top wall of the lower template near four corners, a buffer mechanism is arranged at the bottom end of each guide rod, the buffer mechanism comprises a spring seat, a spring is installed on the spring seat, a pressing cap is welded on the top end of the spring, guide holes are formed in the pressing cap, the size of each guide rod is matched with that of each guide hole, an upper mold plate is installed on the top wall of the upper mold, round holes are formed in the four corners in the interior of the upper mold, sleeves are welded in the round holes; two through-holes have been seted up to the inside symmetry of bed die, and this automotive interior spare double-colored plastic mould can slow down the compound die impact force of last mould to the bed die, can protect the mould effectively, avoids the mould to produce the damage, prolongs its life.

Description

Double-color plastic mold for automotive interior parts

Technical Field

The utility model relates to a double-colored mould technical field, specifically speaking relates to a double-colored plastic mould of automotive interior spare.

Background

The double-color mold is a mold in which two plastic materials are injected on the same injection molding machine and are molded twice, but the product is only demoulded once. The process can make the appearance of the product more beautiful, is easy to change the color without spraying, and is widely applied. However, the two-color plastic mold used in the processing of the automotive interior parts does not have a cushioning effect, and when the upper mold and the lower mold are closed, the upper mold generates a large impact force to the lower mold, so that the mold is easily damaged. In view of this, we propose a two-color plastic mold for automotive interior parts.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-colored plastic mould of automotive interior spare to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a double-color plastic mold for automotive interior parts comprises a lower mold and an upper mold positioned above the lower mold, wherein a lower template is installed on the bottom wall of the lower mold, guide rods are arranged on the top wall of the lower template, which are close to four corners, a buffer mechanism is arranged at the bottom end of each guide rod, each buffer mechanism comprises a spring seat, a spring is installed on each spring seat, a pressing cap is welded at the top end of each spring, a guide hole is formed in each pressing cap, the size of each guide rod is matched with that of each guide hole, an upper mold plate is installed on the top wall of the upper mold, round holes are formed in the four corners in the upper mold plate, sleeves are welded in the round holes, and the sleeves are slidably inserted on the guide rods; two through-holes have been seted up to the inside symmetry of bed die, two circular grooves have been seted up to the diapire symmetry of last mould, the base is installed to the diapire of bed die, two grooves of accomodating have been seted up to the roof of base, accomodate the inslot and install the cylinder, the piston rod tip of cylinder passes the through-hole just is fixed in the circular groove.

Preferably, the top of lower mould has seted up the seal groove, the diapire of going up the mould is equipped with sealed block, the size of sealed block with the size looks adaptation of seal groove, and the grafting cooperation between the two.

Preferably, the roof of bed die is located four corners and all is equipped with the locating piece, the diapire of going up the mould is located four corners and has all seted up the constant head tank, the size of locating piece with the size looks adaptation of constant head tank, and the cooperation of pegging graft between the two.

Preferably, two material injection pipes are arranged on the top wall of the upper die, and the top ends of the material injection pipes extend to the upper side of the upper die plate.

Preferably, the top end of the guide rod is welded with a stop block.

Preferably, the spring is sleeved on the guide rod, the bottom end of the guide rod is welded in the spring seat, and the spring seat is installed on the lower template.

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

1. this automotive interior spare double-colored plastic mould through buffer gear and sheathed tube setting, when last mould moved down the compound die, can slow down the compound die impact dynamics of last mould to the bed die, can protect the mould effectively, avoids the mould to produce the damage, prolongs its life.

2. This automotive interior spare double-colored plastic mould through the setting of sleeve pipe and guide arm, can play fine location effect, can make the mould of going up move down steadily, appears the skew when avoiding going up mould and bed die compound die.

Drawings

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

FIG. 2 is a schematic view of a partial structure of a middle and lower mold of the present invention;

fig. 3 is a schematic view of the upper and lower molds according to the present invention;

fig. 4 is an exploded schematic view of the buffering mechanism of the present invention;

fig. 5 is a schematic structural view of the middle base of the present invention.

The meaning of the reference symbols in the figures is:

1. a lower template;

2. a lower die; 20. a sealing groove; 21. a through hole; 22. positioning blocks;

3. mounting a template; 30. a sleeve;

4. an upper die; 40. a sealing block; 41. a circular groove; 42. positioning a groove; 43. a material injection pipe;

5. a guide bar; 50. a stopper;

6. a buffer mechanism; 60. a spring seat; 61. pressing the cap; 610. a guide hole; 62. a spring;

7. a base; 70. a receiving groove; 8. and a cylinder.

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 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 indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-5, the present invention provides a technical solution:

a double-color plastic mold for automotive interior parts comprises a lower mold 2 and an upper mold 4 located above the lower mold 2, a lower mold plate 1 is mounted on the bottom wall of the lower mold 2, guide rods 5 are arranged on the top wall of the lower mold plate 1 close to four corners, a buffer mechanism 6 is arranged at the bottom end of each guide rod 5, each buffer mechanism 6 comprises a spring seat 60, a spring 62 is mounted on each spring seat 60, a pressing cap 61 is welded at the top end of each spring 62, a guide hole 610 is formed in each pressing cap 61, the size of each guide rod 5 is matched with the size of each guide hole 610, an upper mold plate 3 is mounted on the top wall of the upper mold 4, round holes are formed in four corners in the inner portion of the upper mold plate 3, a sleeve 30 is welded in each round hole, and the sleeve 30 is slidably inserted on the guide rods 5; two through-holes 21 have been seted up to the inside symmetry of bed die 2, and two circular recess 41 have been seted up to the diapire symmetry of last mould 4, and base 7 is installed to the diapire of bed die 2, and two grooves 70 of accomodating have been seted up to the roof of base 7, accomodate and install cylinder 8 in the groove 70, and cylinder 8's tailpiece of the piston rod portion passes through-hole 21 and fixes in circular recess 41.

In this embodiment, seal groove 20 has been seted up at the top of bed die 2, and the diapire of going up mould 4 is equipped with seal block 40, and the size of seal block 40 and the size looks adaptation of seal groove 20, and the grafting cooperation between the two, after last mould 4 and bed die 2 compound die, can make seal block 40 insert in seal groove 20, can play fine sealed effect, seal block 40 adopts silicon rubber synthetic material to make, and sealing performance is good.

In this embodiment, the roof of bed die 2 is located four corners and all is equipped with locating piece 22, and the diapire of going up mould 4 is located four corners and has all seted up constant head tank 42, and the size of locating piece 22 and the size looks adaptation of constant head tank 42, and the cooperation of pegging graft between the two, after last mould 4 and 2 compound dies of bed die, can make locating piece 22 arrange in constant head tank 42, can prevent to take place to shift between last mould 4 and the bed die 2.

Further, two material injection pipes 43 are arranged on the top wall of the upper die 4, and the top ends of the material injection pipes 43 extend to the upper part of the upper die plate 3.

In this embodiment, the stopper 50 is welded to the top end of the guide rod 5, and the stopper 50 can play a good role in limiting.

It should be noted that the cylinder 8 is conventional in the art and will not be described in detail herein.

In this embodiment, spring 62 cup joints on guide arm 5, and the bottom welding of guide arm 5 is in spring holder 60, and spring holder 60 installs on lower bolster 1, and spring 62 can play fine buffering effect, when last mould 4 downstream carries out the compound die, can make sleeve pipe 30 extrude earlier and press cap 61 to mould 4 in the compression, can slow down the impact strength of last mould 4 to lower mould 2 through spring 62, can carry out fine protection to the mould.

When the automotive upholstery double-color plastic mold is used, the cylinder 8 drives the upper mold 4 to move downwards to enable the upper mold 4 and the lower mold 2 to be closed, the sleeve 30 moves downwards stably along the guide rod 5 to avoid position deviation when the upper mold 4 and the lower mold 2 are closed, then the melt liquid can be injected into the mold through the material injection pipe 43, and after a workpiece is molded, the cylinder 8 can push the upper mold 4 to ascend to open the mold.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a double-colored plastic mould of automotive interior spare, includes bed die (2) and is located last mould (4) of bed die (2) top department, its characterized in that: the guide plate structure is characterized in that a lower template (1) is installed on the bottom wall of the lower mold (2), guide rods (5) are arranged on the top wall of the lower template (1) close to four corners, a buffer mechanism (6) is arranged at the bottom end of each guide rod (5), each buffer mechanism (6) comprises a spring seat (60), a spring (62) is installed on each spring seat (60), a pressing cap (61) is welded at the top end of each spring (62), a guide hole (610) is formed in each pressing cap (61), the size of each guide rod (5) is matched with the size of each guide hole (610), an upper template (3) is installed on the top wall of the upper mold (4), round holes are formed in the four corners in the inner portion of the upper template (3), sleeves (30) are welded in the round holes, and the sleeves (30) are slidably inserted on the guide rods (5); two through-holes (21) have been seted up to the inside symmetry of bed die (2), two circular recess (41) have been seted up to the diapire symmetry of going up mould (4), base (7) are installed to the diapire of bed die (2), two grooves (70) of accomodating have been seted up to the roof of base (7), install cylinder (8) in accomodating groove (70), the tailpiece of the piston rod portion of cylinder (8) passes through-hole (21) and fix in circular recess (41).

2. The automotive interior spare double-colored plastic mould of claim 1, characterized in that: seal groove (20) have been seted up at the top of bed die (2), the diapire of going up mould (4) is equipped with sealed piece (40), the size of sealed piece (40) with the size looks adaptation of seal groove (20), and the cooperation of pegging graft between the two.

3. The automotive interior spare double-colored plastic mould of claim 1, characterized in that: the roof of bed die (2) is located four corners and all is equipped with locating piece (22), the diapire of going up mould (4) is located four corners and has all seted up constant head tank (42), the size of locating piece (22) with the size looks adaptation of constant head tank (42), and the cooperation of pegging graft between the two.

4. The automotive interior spare double-colored plastic mould of claim 1, characterized in that: two material injection pipes (43) are arranged on the top wall of the upper die (4), and the top ends of the material injection pipes (43) extend to the upper portion of the upper die plate (3).

5. The automotive interior spare double-colored plastic mould of claim 1, characterized in that: the top end of the guide rod (5) is welded with a stop block (50).

6. The automotive interior spare double-colored plastic mould of claim 1, characterized in that: the spring (62) is sleeved on the guide rod (5), the bottom end of the guide rod (5) is welded in the spring seat (60), and the spring seat (60) is installed on the lower template (1).