CN102825720B - Injection molding embed-forming auxiliary device and injection molding technique thereof - Google Patents

Abstract

The invention discloses an injection molding embedd-forming auxiliary device and an injection molding technique thereof. The auxiliary device comprises a first main arm, a second main arm and a plurality of cross arms, wherein the second main arm and the first main arm are symmetrically arranged in parallel; and the plurality of cross arms are connected with the first main arm and the second main arm and are combined with the first main arm and the second main arm in an integrated molding mode, so as to form a plurality of segmentation accommodating spaces. The injection molding technique comprises the following steps: molding a metal piece; molding a metal carrier, so as to obtain a horizontal rubber product in an injection molding manner in the first stage; positioning the metal piece on the metal carrier; fixing the metal carrier through a positioning mechanism; carrying out secondary injection molding on the metal piece in a die cavity of a die impression; and cutting, ejecting and separating. The auxiliary device and the injection molding technique thereof enables plastic melt in the die impression to be more smooth, so that the working efficiency is improved, and raw materials are saved.

Description

A kind of injection moulding insert molding servicing unit and Shooting Technique thereof

Technical field

The invention discloses a kind of injection moulding insert molding servicing unit and Shooting Technique thereof, particularly relate to and be a kind ofly used for fixing the servicing unit of metalwork and use this servicing unit to carry out the Shooting Technique of secondary injection molding.

Background technology

At present, connector adopts two kinds of manufacture methods substantially to the combination of metalwork and working of plastics in the industry, i.e. inserted mode and injection insert molding, specifically, being insert molded is appropriate location metalwork being in a row inserted in working of plastics, and then apply pressure at the afterbody of metalwork with tool metalwork is pressed into, and to combine with plastics, be thisly generally applicable to the larger connector of volume.But along with the volume of connector is more and more less, the spacing of metalwork is more and more less, the manufacture method of inserted mode can cause the fraction defective of finished product to improve, thus it is the precalculated position inner position of being placed by metalwork in plastic molding chamber that the dealer that obtains employment starts with injection insert molding, then shaping together with working of plastics, thus reaching the effect of two kinds of connecting shapings, this manufacture method is applicable to small volume, product that precision is higher especially.

Existing injection insert molding manufacture method, operation is divided into again self-feeding mode and non-automatic feeding style two kinds, wherein, self-feeding mode is that rectangular metalwork is completed continuously shaped mode by automatic feeder equipment self-feeding: but not self-feeding mode first the metalwork of long strip type is first cut into shaped article for needing the metalwork of number, and then by hand metalwork is put into the shaping of die cavity.But, in self-feeding is shaping, owing to being that metalwork first by rectangular is continuously shaped, then carry out cutting separately again, this establishes certain spacing to be beneficial to shaping and to cut with regard to needing to ask at every close two shaped articles, so same metalwork is in design punching course, also certain spacing must be established between the metalwork of its each predetermined number to be used as separating cooperation. so just make the part metals part between spacing form waste material because wasting, when product for molding is less, the raw material of its waste are also more, this is for the surging epoch of raw material now, be unfavorable for reducing costs, foot one significant deficiency undoubtedly, moreover, its manufacture of less product more needs precision, and the metalwork used is also less, when when one is bilateral material strip charging, this speed needing the metalwork on both sides to transport is consistent (metalwork automatic feed can be divided into monolateral material strip charging and bilateral material strip charging), therefore must stay at the side of metalwork and establish more material strip, and when the metalwork used is less, this situation just becomes and is not easy to control, especially to be easy to fierce speed of transporting inconsistent and misplace for foot two row's metalworks under producing in enormous quantities, moreover shaping product is less, also be not easy after misplacing to be found, so it is unavoidable for causing batch wave to praise.And for nonautomatic molding mode, owing to being put into die cavity inner position directly by hand, the speed of its operation is naturally slower, this is totally unfavorable for boosting productivity now, moreover, just slower for its speed put into of very little metalwork, like this with regard to likely because of put into time ask longer and the temperature of die cavity reduced, affect the quality of product.

Summary of the invention

The object of the present invention is to provide a kind of injection moulding insert molding servicing unit and Shooting Technique thereof, in injection molding process, injection moulding insert molding servicing unit fixing metal part, and be transported in mould by transmission mechanism and carry out quadric injection mould, complete injection moulding insert molding product.

Another object of the present invention is to provide a kind of injection moulding insert molding servicing unit and Shooting Technique thereof, in injection molding process, carry out shaping after utilizing this servicing unit to make the first blank of metalwork again, metalwork can be avoided to do empty every design again, greatly save raw material.

Another object of the present invention is to use described servicing unit to carry out the Shooting Technique of secondary injection molding, makes the plastic melt in die cavity more smooth, reduces defective mode, increases work efficiency.

In order to overcome the difficulty that prior art exists, achieving the above object, the invention provides a kind of injection moulding insert molding servicing unit and Shooting Technique thereof:

Described injection moulding insert molding servicing unit, comprising:

First principal arm;

Second principal arm, parallel with described first principal arm and be symmetrical arranged;

Some transverse arms, connect described first principal arm and described second principal arm, and are integrated with described first principal arm and described second principal arm, are formed multiplely to separate accommodation space.

Preferably, described transverse arm both sides have a projection respectively.

Preferably, described projection comprises a through hole.

Preferably, described first principal arm and described second principal arm also comprise some locating holes.

Preferably, described first principal arm between two described transverse arms and described second principal arm also comprise at least one locating dowel.

Preferably, described first principal arm between two described transverse arms and described second principal arm also comprise a resigning hole.

Preferably, described injection moulding insert molding servicing unit is the metallic carrier of a strip.

Use a Shooting Technique for described injection moulding insert molding servicing unit, comprise the steps:

Step one, cut into the metalwork of predetermined number by stock-cutter through stamping forming long-bar metal assembly;

Step 2, enter in the first die cavity through the metallic carrier of stamping forming described strip by transmitting device, injection mo(u)lding is the first stage plasthetics of level and is sent to outside mould;

Step 3, described metalwork have the first position, hole, are fixed in the locating dowel of described metallic carrier first principal arm and the second principal arm, and position, metalwork front end is spacing in the accepting groove of described first stage plasthetics;

The metallic carrier being fixed with described metalwork is delivered to the precalculated position in the second die cavity by step 4, transmitting device, and described metallic carrier fixed by the detent mechanism that mould is provided with;

Step 5, utilize in die cavity that die secondary is to described metalwork injection mo(u)lding, the product of injection formed is attached on described metallic carrier, utilizes output device to be sent to outside mould;

Step 6, stock-cutter cut product, and the nubbin of described metalwork ejects with described metallic carrier and is separated, and obtains product.

The invention has the beneficial effects as follows: utilize servicing unit to carry out clamping position metalwork, and the precalculated position be sent in die cavity is shaping to carry out, and no longer directly utilize the material strip of metalwork itself to make localized delivery, in transmitting procedure, inconsistent phenomenon is there is to prevent metalwork, metalwork also no longer needs to make sky every design, greatly to save raw material during fabrication simultaneously.In Shooting Technique, secondary injection molding technique makes the plastic melt in die cavity more smooth, reduces defective mode, improves operating efficiency.

Accompanying drawing explanation

Fig. 1 is metallic carrier stereogram of the present invention

Fig. 2 is the plane of metallic carrier of the present invention

Fig. 3 is the plane of metalwork of the present invention

Fig. 4 is the schematic flow sheet of Shooting Technique of the present invention

Fig. 5 is the schematic diagram behind metalwork of the present invention location

Fig. 6 is the schematic diagram after injection mo(u)lding second stage of the present invention

Fig. 7 is injection molding product schematic diagram of the present invention

Detailed description of the invention

Below in conjunction with accompanying drawing, the present invention will be further described, can implement according to this with reference to after this description to make those of ordinary skill in the art.

Please refer to Fig. 1, Fig. 2 and Fig. 3, injection moulding insert molding servicing unit of the present invention comprises the first principal arm 1; Second principal arm 2, parallel with described first principal arm 1 and be symmetrical arranged; Some transverse arms 3, connect described first principal arm 1 and described second principal arm 2, integrated with described first principal arm 1 and described second principal arm 2, durable and manufacture process is simple, do not need independent installation, described some transverse arm 3 and described first principal arm 1 and described first principal arm 2 are formed and multiplely separate accommodation space 4.Described transverse arm 3 both sides have a projection 5 respectively, accommodation space 4 is separated in " work " font described in making, described projection 5 also comprises a through hole 9, in injection moulding process, plastics are injected mould by described through hole 9, described projection 5 is by plastic wraps in embedding injection moulding, and fixed plastics plays the effect that material platform is drawn in carrying.Injection moulding insert molding servicing unit of the present invention is preferably the metallic carrier of a strip, bearing metal part 10, and described metalwork 10 also comprises the first punching 1 and the second punching 2.First principal arm 1 and described second principal arm 2 of described metallic carrier also comprise some locating holes 6, and in injection molding process, described locating hole 6 is fixed on the detent mechanism in mould; The first principal arm 1 between two described transverse arms 3 and described second principal arm 2 also comprise at least one locating dowel 7, carries out interference engagement with the first position, hole 11 of described metalwork 10 and clamp, fixing for described metalwork 10; The first principal arm 1 between two described transverse arms 3 and described second principal arm 2 also comprise a resigning hole 8, its objective is to make the product of forming have enough spaces to step down after metallic carrier cuts, residual metal part is separated with described metallic carrier, thus reach recycling of metallic carrier, cost-saving.

As shown in Figure 4, a kind of Shooting Technique using described injection moulding insert molding servicing unit of the present invention, comprises the steps:

Step one, enter in the first die cavity through the metallic carrier of stamping forming described strip by transmitting device, injection mo(u)lding is the first stage plasthetics of level and is sent to outside mould;

Step 2, cut into the metalwork 10 of predetermined number through stamping forming long-bar metal assembly by stock-cutter;

Step 3, please refer to Fig. 5, described metalwork has the first position, hole 11, and be fixed in the locating dowel 7 of described metallic carrier first principal arm 1 and the second principal arm 2, position, metalwork front end 13 is spacing in the accepting groove of described first stage plasthetics;

The metallic carrier being fixed with described metalwork 10 is delivered to the precalculated position in the second die cavity by step 4, transmitting device, and the detent mechanism that mould is provided with fixes described metallic carrier by described locating hole 6;

Step 5, please refer to Fig. 6, utilize in die cavity that die secondary is to the injection mo(u)lding of described metalwork 10, the product of injection formed is attached on described metallic carrier, utilizes output device to be sent to outside mould;

Step 6, stock-cutter cut product, and the nubbin of described metalwork ejects with described metallic carrier and is separated, and obtains product 13.

Servicing unit is utilized to carry out clamping position metalwork, and the precalculated position be sent in die cavity is shaping to carry out, and no longer directly utilize the material strip of metalwork itself to make localized delivery, in transmitting procedure, inconsistent phenomenon is there is to prevent metalwork, metalwork also no longer needs to make sky every design, greatly to save raw material during fabrication simultaneously.In Shooting Technique, in Shooting Technique, secondary injection molding method makes the plastic melt in die cavity more smooth, reduces defective mode, improves operating efficiency.

Although embodiment of the present invention are open as above, but it is not restricted to listed in description and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details and illustrates here and the legend described.

Claims (1)

1. an injection moulding insert molding servicing unit, is characterized in that, comprising:

First principal arm;

Second principal arm, parallel with described first principal arm and be symmetrical arranged;

Some transverse arms, connect described first principal arm and described second principal arm, and are integrated with described first principal arm and described second principal arm, are formed multiplely to separate accommodation space, and described transverse arm both sides have a projection respectively, and described projection comprises a through hole; Described first principal arm between two described transverse arms and described second principal arm also comprise at least one locating dowel; Described first principal arm between two described transverse arms and described second principal arm also comprise a resigning hole;

Wherein, described first principal arm and described second principal arm also comprise some locating holes; Described injection moulding insert molding servicing unit is the metallic carrier of a strip, described injection moulding insert molding servicing unit is used for metalwork Shooting Technique, comprises the steps:

Step one, cut into the metalwork of predetermined number by stock-cutter through stamping forming long-bar metal assembly;

Step 2, enter in the first die cavity through the metallic carrier of stamping forming described strip by transmitting device, injection mo(u)lding is the first stage plasthetics of level and is sent to outside mould;

Step 3, described metalwork have the first position, hole, are fixed in the locating dowel of described metallic carrier first principal arm and the second principal arm, and position, metalwork front end is spacing in the accepting groove of described first stage plasthetics;

The metallic carrier being fixed with described metalwork is delivered to the precalculated position in the second die cavity by step 4, transmitting device, and described metallic carrier fixed by the detent mechanism that mould is provided with;

Step 5, utilize in die cavity that die secondary is to described metalwork injection mo(u)lding, the product of injection formed is attached on described metallic carrier, utilizes output device to be sent to outside mould;

Step 6, stock-cutter cut product, and the nubbin of described metalwork ejects with described metallic carrier and is separated, and obtains product.