CN201275850Y

CN201275850Y - Mould apparatus for injection moulding of vehicle decoration part

Info

Publication number: CN201275850Y
Application number: CNU2008201658009U
Authority: CN
Inventors: 刘芝鸿; 房鹤岗
Original assignee: Ningbo Xintai Machinery Co Ltd
Current assignee: Jiaxing Minhui Automotive Parts Co Ltd
Priority date: 2008-10-10
Filing date: 2008-10-10
Publication date: 2009-07-22
Anticipated expiration: 2018-10-10

Abstract

Disclosed is a mould device for injection molding of vehicle decorative part, which is characterized in that a lower mould is composed of a first lower mould, a second lower mould and a third lower mould, the first, second and third lower moulds are respectively provided with concave grooves for positioning framework and buckle base, and matching with lips on both sides of the decorative part, and the three lower moulds are concentrically mounted on a rotary plate; an upper mould is composed of a first upper mould and a second upper mould, the first upper mould and the second upper mould are respectively positioned above two lower moulds of the lower moulds; meanwhile, the first upper mould is provided with a first concave part used for pressing the framework of the decorative part, and the second upper mould is provided with a second concave part, a mould cavity matched with the decorative part is formed between the second concave part and the concave groove of the corresponding lower mould. The mould with the structure is adopted for molding decorative part through injection, the displacement, deformation and exposure phenomenon of framework and buckle base are prevented, and the semi-product during injection molding process has no need to be removed from the lower mould; thereby, the mould device for injection molding of vehicle decorative part can obviously improve the product quality and qualified rate, simplify the processing flow and have low production cost and high production efficiency.

Description

Be used for the die device of injection moulding vehicle decorative spare

Technical field

The utility model relates to a kind of die device, specifically refers to a kind of die device that is used for injection moulding vehicle decorative spare.

Background technology

Part external ornament on the existing a car is formed attached to the articulamentum on the metallic framework 4 by metallic framework 2, decorative cover 1, snap seats 3 with buckle, see also Fig. 3, metallic framework 2 is positioned under the decorative cover 1, be used for supporting decorative cover, and snap seats 3 is used for installing buckle, so that by buckle decoration is fixed on the vehicle body panel beating.

At present when making this class decoration, usually adopt two pairs of independently injection molds, be divided into injection mold and injection mold for the first time for the second time, injection mold includes first patrix and first counterdie of relative folding for the first time, be formed with first die cavity between first patrix and first counterdie, same injection mold for the second time includes second patrix and second counterdie of relative folding, is formed with second die cavity between second patrix and second counterdie.Each injection mold is installed on separately the injection machine, add man-hour, be placed on metallic framework 2 and snap seats 3 in first die cavity of the injection mold first time as inserts earlier, then first injection machine injects PVC in first die cavity, formation links to each other metallic framework with snap seats articulamentum 4, soon metallic framework, snap seats, articulamentum are made the semi-finished product of one; Then these semi-finished product are placed in second die cavity of the injection mold second time,, in second injection machine, are injection molded into required product equally as inserts.

Can in above-mentioned Shooting Technique, find: (1) since during injection moulding for the second time semi-finished product be in vacant state, thereby in injection moulding process, be subjected under the influence of factors such as injection pressure and injected plastics material flow, these semi-finished product can produce phenomenons such as displacement, distortion or metallic framework expose unavoidably, and the result will influence the surface quality of decoration and finally reduce the qualification rate of product.(2) because two injection molds are independently, therefore semi-finished product need be transferred on another injection machine from an injection machine, thereby be caused the semi-finished product circulation time long, operating personnel are many, and utilization rate of equipment and installations is low, production cost height, the defective that production efficiency is low.

The utility model content

Technical problem to be solved in the utility model is at above-mentioned prior art present situation, and provide a kind of die device that is used for injection moulding vehicle decorative spare, phenomenons such as this die device can effectively prevent unsettled skeleton and snap seats displacement in the injection moulding process, is out of shape or exposes take place, and can improve product percent of pass and production efficiency significantly.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: this die device that is used for injection moulding vehicle decorative spare comprises the upper die and lower die of mutual folding, it is characterized in that: described counterdie is made up of first, second, third counterdie, this first, second, third counterdie has for the skeleton in the decoration, snap seats location respectively and has the groove that matches with decoration two lateral lip limits, and is installed on the rotating disk mutually with one heart; And described patrix is made of first patrix and second patrix, this first, second patrix lays respectively at the wherein top of two counterdies, and, described first mold has and is used for first recess of skeleton in the pressure holding decoration, described second patrix then has second recess, is formed with the die cavity that is complementary with decoration between the groove on this second recess and the corresponding counterdie.

Described first, second, third time mode structure is identical, and is distributed on the described rotating disk to good, is convenient to like this make, and convenient control rotating disk rotatablely moves again.

Described first patrix and second patrix can be fixed on the same cope match-plate pattern, and the shut height on injection machine is in full accord like this, so that operation control.

Compared with prior art, because the utility model can be by means of the groove of each counterdie and first recess in first patrix, skeleton and snap seats are located, are pressed on wherein, thereby when first time injection moulding, just can prevent skeleton and snap seats displacement, be out of shape and expose, and after the first time, injection moulding was finished, because the shrinkage of moulding self, semi-finished product had packed tightly in the groove of counterdie as inserts; Owing to can be dependent on rotating disk, can rotate three identical counterdies simultaneously with respect to patrix, thereby need not semi-finished product are taken out from counterdie, as long as by rotatablely moving, this the half-finished counterdie and second patrix work mold-closing injection second time will be had and required product can be obtained, obviously, in the injection moulding second time, semi-finished product can not be subjected to injection pressure yet, the influence that material flows is shifted or is out of shape, thereby the utility model has overcome the defective of prior art effectively, can improve the quality of products significantly and qualification rate, and also having the work flow simplification, production cost is low, the characteristics that production efficiency is high.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment.

Fig. 2 be among Fig. 1 A-A to profile;

Fig. 3 is the enlarged drawing of I part among Fig. 2;

Fig. 4 is for taking the structural representation behind the product among Fig. 3 away;

B-B is to profile among Fig. 5 Fig. 1;

Fig. 6 is the enlarged drawing of II part among Fig. 5;

Fig. 7 is the structural representation behind the semi-finished product of removing among Fig. 6;

Fig. 8 be among Fig. 1 C-C to profile;

Fig. 9 is the enlarged drawing of III part among Fig. 8.

The specific embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

Extremely shown in Figure 9 as Fig. 1, this die device, comprise upper die and lower die, wherein, identical and the first counterdie 5a, the second counterdie 5b, the 3rd counterdie 5c that be installed in one heart on the rotating disk 8 mutually form counterdie by three structures, this first, second, third counterdie has for the skeleton 2 in the decoration, snap seats 3 location respectively and has the groove 11 that matches with decoration two lateral lip limits, see also Fig. 4, and, first, second, third counterdie be at interval with 120 ° uniformly at intervals on above-mentioned rotating disk 8, rotating disk is arranged on the injection machine again.And patrix is made of first patrix 6 and second patrix 7, this first, second patrix lays respectively at the top of the above-mentioned second counterdie 5b, the 3rd counterdie 5c, on first patrix 6, have with decoration in skeleton 2 appearances match to merge and be used for first recess 12 of this skeleton of pressure holding, see also Fig. 7; Second patrix then has second recess 13, sees also Fig. 9, is formed with the die cavity that is complementary with decoration between the groove on this second recess and the 3rd counterdie.This first patrix links to each other with second patrix cope match-plate pattern 9 corresponding with injection machine, and cope match-plate pattern can move up and down by guide pillar 10, does open and close movement to drive first, second patrix with respect to counterdie separately.

Add man-hour, operating personnel place skeleton 2 and snap seats 3 at the place, starting position of no patrix earlier in counterdie, in the present embodiment, promptly put into snap seats and skeleton in the groove of first counterdie, and skeleton and snap seats are positioned in the groove 11; Then rotate counterclockwise rotating disk, drive the first counterdie 5a and go under first patrix 6, the second counterdie 5b goes under second patrix 7 simultaneously, and the 3rd counterdie 5c goes to the former first counterdie place, just the place, starting position; Then, operating personnel in the same way, in the 3rd counterdie 5c, place skeleton and snap seats, simultaneously, first counterdie and first patrix carry out mold-closing injection, in this injection moulding for the first time, because the recess 11 of first patrix compresses skeleton, see also Fig. 6, so skeleton and snap seats can not produce defectives such as distortion in injection moulding process, treat that injection moulding is for the first time finished after, skeleton and snap seats become semi-finished product by articulamentum 4 is bonding, see also Fig. 9, and these semi-finished product pack tightly in the groove of first counterdie because of the contraction of self; Then, after the first patrix die sinking, rotating disk continues to rotate counterclockwise, and have half-finished first counterdie 5a go under second patrix 7 this moment, behind second patrix, 7 matched moulds, can carry out the injection moulding second time, with decorative cover 1 attached on the skeleton, see also Fig. 3.Because the semi-finished product of this moment are arranged in the groove of first counterdie tightly, therefore when second time injection moulding, semi-finished product can be because of problems such as factors such as injection pressure and material flow deform, displacement or skeleton expose yet; Former second counterdie goes to the place, starting position simultaneously, and operating personnel place skeleton and snap seats in second counterdie, and the 3rd counterdie go under first patrix also in the same way, and at this moment, first patrix and the 3rd counterdie carry out the injection moulding first time in the same way.Go round and begin again like this, beginning is constantly taken off product from the starting position, and places skeleton and snap seats, and carries out the injection moulding first time and injection moulding for the second time respectively at first patrix, the second patrix place, obviously, the utility model only needs an injection time, and has saved half-finished circulation time in processing continuously, producers also are adjusted into a people one machine by 3 original people, and saved process equipment, thereby had and reduce production costs the advantage of enhancing productivity significantly.

Claims

1, a kind of die device that is used for injection moulding vehicle decorative spare, the upper die and lower die that comprise mutual folding, it is characterized in that: described counterdie is made up of first, second, third counterdie (5a, 5b, 5c), this first, second, third counterdie has respectively for skeleton (2), snap seats (3) in the decoration locatees and has the groove (11) that matches with decoration two lateral lip limits, and is installed in one heart mutually on the rotating disk (8); And described patrix is made of first patrix (6) and second patrix (7), this first, second patrix lays respectively at the wherein top of two counterdies, and, described first mold has and is used for first recess (12) of skeleton (2) in the pressure holding decoration, described second patrix then has second recess (13), is formed with the die cavity that is complementary with decoration between the groove on this second recess and the corresponding counterdie.

2, the die device that is used for injection moulding vehicle decorative spare according to claim 1, it is characterized in that: described first, second, third counterdie (5a, 5b, 5c) structure is identical, and is distributed on the described rotating disk.

3, the die device that is used for injection moulding vehicle decorative spare according to claim 1 and 2, it is characterized in that: described first patrix (6) and second patrix (7) are fixed on the same cope match-plate pattern.