CN114919134A - Encapsulated product mold with movable chamber and method of using same - Google Patents

Abstract

The invention discloses a rubber-coated product die with a movable cavity and a use method thereof, wherein the rubber-coated product die with the movable cavity comprises an upper outer die assembly, a lower outer die assembly and a movable insert assembly, and the movable insert assembly comprises an upper movable insert element and a lower movable insert element; the movable insert assembly is installed in the lower outer die assembly, and the lower positioning groove is attached to the upper movable insert element. The invention solves the problem that the encapsulation forming die is not positioned; the encapsulated product mold with the movable cavity can be replaced back and forth between different molds; the movable insert assembly and the outer die assembly can be respectively used as a core and a cavity of the die; the movable insert assembly and the outer die assembly are detachable, so that later maintenance and replacement are facilitated, and meanwhile, the size is small and the carrying is convenient; the movable insert assembly and the outer die assembly are a group of inserts, so that the processing difficulty of the die is reduced.

Description

Encapsulated product mold with movable chambers and method of using same

Technical Field

The invention belongs to the technical field of dies, and particularly relates to a die for a rubber-coated product with a movable cavity and a using method of the die.

Background

When the mold encapsulates a product, a positioning structure is usually not arranged, so that the appearance of the product can have a section difference and pressure injury, customers have strict requirements on the appearance of the product and cannot have pressure injury, the joints of the encapsulated SR outer molds are very consistent, the section difference cannot occur, and the integral attractiveness of the product cannot be influenced.

The mould on the market at present is according to the mould that the molding processing of product corresponds generally, if the outward appearance of product is more complicated, the mould just is difficult processing more to can only single use, can not assemble and replace each other between the different moulds, in use, if after one of them part of mould appears damaging, can not dismantle the maintenance, only can wholly scrap, has caused the waste of resource.

Therefore, in view of the above technical problems, there is a need to provide a mold for encapsulated products having a movable cavity and a method for using the same.

Disclosure of Invention

The present invention aims to provide a mould for encapsulating products with a movable chamber and a method for using the same to solve the problems.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

a rubberized product mold having a movable chamber, the rubberized product including a middle housing and side housings, the die comprises a movable insert assembly, an upper outer die assembly and a lower outer die assembly, the movable insert assembly comprises an upper movable insert element and a lower movable insert element, positioning columns are fixed at two ends of the upper movable insert element and the lower movable insert element, the middle shell is fixed in the movable insert assembly, the upper outer mold assembly is provided with an upper positioning groove which is jointed with the upper movable insert element, the lower outer mold die component is provided with a lower positioning groove, the lower movable insert element is arranged in the lower positioning groove, the movable insert assembly is arranged in the lower outer die assembly, the lower positioning groove is attached to the upper movable insert element, the movable insert assembly, the upper outer die assembly and the lower outer die assembly are all detachable.

As a further improvement of the invention, the upper movable insert element and the lower movable insert element are connected in a positioning way through a plurality of bolts.

As a further improvement of the invention, the upper movable insert element and the lower movable insert element are provided with mounting grooves, and a product is fixed in the mounting grooves.

As a further improvement of the invention, the upper outer die assembly and the lower outer die assembly are respectively provided with a positioning block, the positioning blocks are positioned at two ends of the outgoing line of the product, and the positioning blocks are used for fixing the product.

As a further improvement of the present invention, the lower outer mold assembly is located below the upper outer mold assembly, and the lower surface of the upper outer mold assembly is in contact with the upper surface of the lower outer mold assembly during mold closing.

A method of using a mold for an encapsulated product having a movable chamber, comprising the steps of:

s1, firstly, cleaning up impurities such as dust and the like in the mounting groove, the lower positioning groove and the upper positioning groove of the middle shell, mounting the lower movable insert element on the lower positioning groove, and positioning the lower movable insert element by interference fit between the lower movable insert element and the lower positioning groove, so that the step difference between the first injection molding stage and the later second injection molding stage caused by the movement of the lower movable insert element after the first injection molding stage is finished is avoided to a certain extent;

s2, mounting the middle shell into the mounting groove on the lower movable insert element, and primarily fixing the middle shell so as to facilitate the later encapsulation of the middle shell;

s3, attaching the upper movable insert element and the lower movable insert element, positioning the positions by using the upper positioning column and the lower positioning column, and fixing the upper movable insert element and the lower movable insert element by using a plurality of first bolts after the positions are determined, so that the middle shell which is encapsulated in the later period is prevented from generating indentation, and the yield of products is improved;

s4, moving the upper outer die assembly downwards to be matched with the lower outer die assembly, positioning outgoing lines on two sides of the rubber-coated product by the lower die positioning block and the upper die positioning block, and finally, rubber coating and forming the outer surface of the middle shell;

s5, fixing the middle shell and the movable insert assembly which are wrapped with the glue on the lower outer die assembly;

s6, closing the upper outer die assembly and the lower outer die assembly, and performing one-time molding rubber coating on the side shells on the two sides of the middle shell, wherein the middle shell is always kept still, so that a section difference cannot occur between the middle shell and the side shells to a certain extent;

and S7, lifting the upper outer die assembly, taking the movable insert assembly off the lower outer die assembly integrally, taking the fixed first bolt off, opening the upper movable insert element, and taking the finished rubber-coated product off the lower movable insert element.

Compared with the prior art, the invention has the following advantages:

according to the invention, the product and the movable insert assembly are positioned through the positioning structures arranged on the movable insert assembly, the upper outer die assembly and the lower outer die assembly, so that the product is prevented from having a section difference and an indentation, the movable insert assembly, the upper outer die assembly and the lower outer die assembly can be independently disassembled, the later maintenance and carrying are convenient, the flexibility among the dies is higher, and the replacement and the assembly among different dies can be realized.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic diagram showing a first configuration of an encapsulated product mold having a movable chamber according to an embodiment of the present invention;

FIG. 2 is a second schematic structural view of a molded product mold with a movable cavity according to one embodiment of the present invention;

fig. 3 is a schematic structural view three of a mold for encapsulating products with movable chambers according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of an upper outer mold assembly in accordance with one embodiment of the present invention;

FIG. 5 is a schematic view of a movable insert assembly according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a lower movable insert element in an embodiment of the present invention.

In the figure: 100. the movable insert die assembly comprises a movable insert assembly, 101, an upper movable insert element, 102, a lower movable insert element, 103, an upper positioning column, 104, a lower positioning column, 105, a first bolt, 200, an upper outer die assembly, 201, an upper outer die, 202, an upper die positioning block, 203, an upper positioning groove, 300, a lower outer die assembly, 301, a lower outer die, 302, a lower die positioning block, 303, a lower positioning groove, 400, a rubber-coated product, 401, a middle shell and 402 a side shell.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The present invention is not limited to the embodiments, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

According to the mold for the rubber-coated product with the movable cavity, disclosed by the embodiment of the invention, the upper outer mold assembly 200 comprises an upper outer mold 201, the upper outer mold 201 is provided with an upper positioning groove 203, the shape of the groove edge of the upper positioning groove 203 is consistent with the appearance of the movable insert assembly 100, the movable insert assembly 100 is conveniently fixed in the upper positioning groove 203, the depth of the upper positioning groove 203 is consistent with the thickness of the upper movable insert element 101, so that the upper outer mold assembly 200 and the lower outer mold assembly 300 can be completely contacted in the later die pressing process, and the segment difference is avoided to a certain extent, so that the attractiveness of the rubber-coated product 400 is not influenced.

Go up constant head tank 203 and fixed two last mould locating pieces 202 in the direction that rubber coating product 400 goes out the line, go up mould locating piece 202 and have elastic material for rubber etc. go up mould locating piece 202 and can cooperate with lower mould locating piece 302, fix through being qualified for the line of being qualified for the next round of competitions to rubber coating product 400 both ends to the realization is fixed rubber coating product 400, in the rubber coating, rubber coating product 400 keeps motionless, thereby the condition that indentation or crushing wound appear in the surface has been reduced, the qualification rate of product rubber coating has been improved to a certain extent.

The lower outer die assembly 300 comprises a lower outer die 301, a lower die positioning block 302 and a lower positioning groove 303, the lower positioning groove 303 is arranged on the lower outer die 301, the shape of the groove edge of the lower positioning groove 303 is the same as the shape of the lower movable insert element 102, the depth of the lower positioning groove 303 is consistent with the thickness of the lower movable insert element 102, the movable insert assembly 100 is completely wrapped by the upper outer die assembly 200 and the lower outer die assembly 300 in the later period of die pressing, the glue is prevented from overflowing from the gap to generate a section difference, the upper outer die assembly 200 and the lower outer die assembly 300 are separated from each other, the movable insert assembly 100 is convenient to install, and meanwhile, if the upper outer die assembly 200 or the lower outer die assembly 300 is damaged in the later period, the damaged die can be detached for accurate repair or replacement, the waste of resources is reduced, and the upper outer die assembly 200 and the lower outer die assembly 300 can be separately processed in the processing period, the difficulty of processing is reduced.

The two ends of the lower positioning groove 303 are fixedly connected with lower die positioning blocks 302, the lower die positioning blocks 302 and the upper die positioning blocks 202 are made of the same material, and outgoing lines at the two ends of the rubber-coated product 400 can be fixed during use, so that the rubber-coated product 400 is positioned, and the success rate of rubber coating of the product is improved to a certain extent.

The movable insert assembly 100 is movable and can be switched between different upper outer die assemblies 200 and different lower outer die assemblies 300 in the same encapsulated product 400, the movable insert assembly 100 comprises an upper movable insert element 101 and a lower movable insert element 102, the middle of the upper movable insert element 101 and the middle of the lower movable insert element 102 are both provided with mounting grooves of a middle shell 401, when in use, the middle shell 401 can be fixed between the upper movable insert element 101 and the lower movable insert element 102, namely, encapsulation of the middle shell 401 can be realized, in order to prevent pressure damage during encapsulation of the middle shell 401, an upper positioning column 103 and a lower positioning column 104 are respectively fixed at two ends of the upper movable insert element 101 and the lower movable insert element 102, injection molding of the encapsulated product 400 needs to be divided into two times, after a first injection stage is completed, the product needs to be subjected to injection molding in a second injection stage, the lower outer die assembly 300, the upper outer die assembly 200 and the movable insert assembly 100 need to have a common positioning coordinate, so that the problem that the basic coordinate is wrong during secondary forming due to movement of a product is prevented to a certain extent, so that a section difference occurs, the yield of the product is improved, the upper movable insert element 101 and the lower movable insert element 102 do not need to be measured and fixed any more, and the production cost and time are reduced.

In order to prevent the upper movable insert element 101 and the lower movable insert element 102 from being displaced from each other during rubber coating, which results in a product having a step difference or being crushed, the upper movable insert element 101 and the lower movable insert element 102 are fixed by four first bolts 105, thereby reducing the occurrence of defective products to a certain extent.

Because the width and the length of the upper movable insert element 101 and the lower movable insert element 102 are processed and manufactured according to the length of the middle shell 401, the upper movable insert element 101 and the lower movable insert element 102 are small in size and convenient to carry and maintain in the later period, the upper movable insert element 101 and the lower movable insert element 102 are movably connected through the first bolt 105, and when the upper movable insert element 101 or the lower movable insert element 102 is damaged in the later period, the damaged part can be directly disassembled for maintenance, unnecessary waste is reduced, the production cost is reduced, the upper movable insert element 101 and the lower movable insert element 102 can be separately processed, the processing difficulty is reduced, and the processing time and cost are reduced.

Side housings 402 are respectively encapsulated at two ends of the middle housing 401, after the encapsulation of the middle housing 401 is completed, the movable insert assembly 100 is fixed between the upper outer die assembly 200 and the lower outer die assembly 300, the movable insert assembly 100 can be used as a core of the upper outer die assembly 200 and the lower outer die assembly 300, the upper outer die assembly 200 and the lower outer die assembly 300 can be used as a cavity of the movable insert assembly 100, if in use, the movable insert assemblies 100 with different types can be installed on the same set of upper outer die assembly 200 and lower outer die assembly 300, the waste of materials is reduced, and the production cost is reduced.

The embodiment of the invention also discloses a use method of the encapsulated product mould with the movable cavity, which comprises the following steps:

a first injection molding stage:

s1, firstly, clean up the installation groove of the middle shell 401, the dust and other impurities in the lower positioning groove 303 and the upper positioning groove 203, install the lower movable insert element 102 on the lower positioning groove 303, and make the lower movable insert element 102 and the lower positioning groove 303 in interference fit, so as to position the lower movable insert element 102, and to a certain extent, avoid that the step difference occurs in the first injection molding stage and the second injection molding stage in the later stage due to the movement of the lower movable insert element 102 after the first injection molding stage is finished.

S2, the middle housing 401 is mounted in the mounting groove of the lower movable insert element 102, and the middle housing 401 is primarily fixed, so that the middle housing 401 can be encapsulated in the later period.

S3, next, the upper movable insert element 101 is attached to the lower movable insert element 102, the upper positioning column 103 and the lower positioning column 104 are used for positioning positions, and after the positions are determined, the upper movable insert element 101 and the lower movable insert element 102 are fixed through the first bolts 105, so that the middle shell 401 which is encapsulated in the later period is prevented from being indented, and the yield of products is improved.

S4, the upper outer die assembly 200 is moved downwards to be assembled with the lower outer die assembly 300, the lower die positioning block 302 and the upper die positioning block 202 position outgoing lines on two sides of the encapsulated product 400, and therefore, the phenomenon that during encapsulation, encapsulation overflows or the outgoing line sections are poor due to the outgoing lines is avoided, and finally encapsulation molding is conducted on the outer surface of the middle shell 401.

A second injection molding stage:

s5, the middle shell 401 and the movable insert assembly 100 which are wrapped with the glue are fixed on the lower outer die assembly 300, so that the whole is kept still to a certain extent, and the step difference is avoided.

S6, the upper outer die assembly 200 and the lower outer die assembly 300 are matched to encapsulate the side shells 402 on the two sides of the middle shell 401 in one-step molding mode, and the middle shell 401 is always kept still, so that the section difference between the middle shell 401 and the side shells 402 cannot occur to a certain extent, and the requirements of attractiveness, no section difference and no indentation of customers can be met.

S7, lifting the upper outer die assembly 200, taking the movable insert assembly 100 off the lower outer die assembly 300 integrally, then taking the fixed first bolt 105 off, opening the upper movable insert element 101, and finally taking the finished rubber-coated product 400 off the upper positioning column 103, wherein the movable insert assembly 100, the upper outer die assembly 200 and the lower outer die assembly 300 can be detached, so that the flexibility is high, and the later maintenance and carrying are facilitated.

According to the technical scheme, the invention has the following beneficial effects:

1. the invention solves the problem that the encapsulation forming die is not positioned;

2. the encapsulation product mould with the movable cavity can be replaced back and forth among different moulds and can be put into another mould from the mould set;

3. the movable insert assembly, the upper outer die assembly and the lower outer die assembly can be respectively used as a core and a cavity of a die;

4. the movable insert assembly, the upper outer die assembly and the lower outer die assembly are detachable, so that later maintenance and replacement are facilitated, and meanwhile, the movable insert assembly is small in size and convenient to carry;

5. the movable insert assembly, the upper outer die assembly and the lower outer die assembly are a group of inserts, so that the processing difficulty of the die is reduced.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims (6)

1. A molded product mold having a movable chamber, the molded product comprising a middle shell and side shells, the mold comprising:

the movable insert assembly comprises an upper movable insert element and a lower movable insert element, positioning columns are fixed at two ends of the upper movable insert element and the lower movable insert element, and the middle shell is fixed in the movable insert assembly;

the upper outer die assembly is provided with an upper positioning groove, and the upper positioning groove is attached to the upper movable insert element;

the lower outer mold die assembly is provided with a lower positioning groove, and the lower movable insert element is arranged in the lower positioning groove;

the movable insert assembly is installed in the lower outer die assembly, the lower positioning groove is attached to the upper movable insert element, and the movable insert assembly, the upper outer die assembly and the lower outer die assembly are all detachable.

2. The encapsulated product die with a moving cavity of claim 1, wherein said upper and lower moving insert elements are positionally fixed by a plurality of bolts.

3. The encapsulated product die with a moving cavity of claim 2, wherein the upper moving insert element and the lower moving insert element are provided with mounting grooves, and the encapsulated product is fixed in the mounting grooves.

4. The encapsulated product mold with a movable chamber of claim 1, wherein the upper and lower external mold assemblies are each fitted with a positioning block at both ends of the encapsulated product outlet line, the positioning blocks securing the encapsulated product.

5. The encapsulated product mold with movable chambers of claim 1, wherein said lower outer mold assembly is positioned below said upper outer mold assembly, and wherein a lower surface of said upper outer mold assembly contacts an upper surface of said lower outer mold assembly when closed.

6. A method of using a molded product mold having a movable chamber, comprising the steps of:

s1, firstly, cleaning up impurities such as dust and the like in the mounting groove, the lower positioning groove and the upper positioning groove of the middle shell, mounting the lower movable insert element on the lower positioning groove, and positioning the lower movable insert element by interference fit between the lower movable insert element and the lower positioning groove, so that the step difference between the first injection molding stage and the later second injection molding stage caused by the movement of the lower movable insert element after the first injection molding stage is finished is avoided to a certain extent;

s2, mounting the middle shell into the mounting groove on the lower movable insert element, and primarily fixing the middle shell so as to facilitate the later encapsulation of the middle shell;

s3, secondly, the upper movable insert element and the lower movable insert element are attached, the upper positioning column and the lower positioning column are used for positioning the positions, and after the positions are determined, the upper movable insert element and the lower movable insert element are fixed through a plurality of first bolts, so that the middle shell which is encapsulated in the later period is prevented from generating indentations, and the yield of products is improved;

s4, moving the upper outer die assembly downwards to be matched with the lower outer die assembly, positioning outgoing lines on two sides of the rubber-coated product by the lower die positioning block and the upper die positioning block, and finally, rubber coating and forming the outer surface of the middle shell;

s5, fixing the middle shell and the movable insert assembly which are wrapped with the glue on the lower outer die assembly;

s6, closing the upper outer die assembly and the lower outer die assembly, and encapsulating the side shells on two sides of the middle shell in one-step forming, wherein the middle shell is always kept still, so that a section difference cannot occur between the middle shell and the side shells to a certain extent;

and S7, lifting the upper outer die assembly, taking the movable insert assembly off the lower outer die assembly integrally, taking the fixed first bolt off, opening the upper movable insert element, and taking the finished rubber-coated product off the lower movable insert element.

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