CN211165288U

CN211165288U - IM L shaping area side cut integration mould structure

Info

Publication number: CN211165288U
Application number: CN201921981913.0U
Authority: CN
Inventors: 吴光锋; 王绍曜; 邓香华
Original assignee: Fujian Shishi Tongda Electrical Appliance Co Ltd
Current assignee: Fujian Shishi Tongda Electrical Appliance Co Ltd
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-08-04
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a IM L shaping area side cut integration mould structure, including cope match-plate pattern and lower bolster, the top surface lock of lower bolster is inherent to go up hard material template, it has first cavity and shaping cavity to go up the top surface of hard material template recessed, the accent department of shaping cavity is equipped with the first sword structure that encircles the setting along the circumference direction of shaping cavity, the bottom surface lock solid of cope match-plate pattern has down hard material template, lower hard material template and first cavity phase-match, the bottom surface downwardly extending of lower hard material template has the protruding benevolence of shaping identical with the shaping cavity, the bottom surface of lower hard material template is equipped with second sword structure.

Description

IM L shaping area side cut integration mould structure

Technical Field

The utility model relates to a cell-phone accessory preparation mould, in particular to IM L shaping belt side cut integration mould structure.

Background

Most of the existing casing parts (such as air conditioner panels, washing machine panels and the like) of household electrical appliances adopt IM L film-coated products, the manufacturing process of the IM L film-coated product is that a PET film is firstly placed on the top surface of a lower template, then a soft convex die core on the bottom surface of the upper template moves downwards to press the PET film into a forming concave cavity of the lower template, 3D forming of the PET film is completed, the PET film is placed on a lower die seat with the convex die core for fixing after forming, then CNC cutting processing is carried out, a PET edge-coated film with an edge-coated structure matched with the product in shape is formed, and then the PET edge-coated film is placed in an injection mold for injection molding.

Accordingly, the present inventors have made extensive studies on the above problems, and as a result, the present invention has been made.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an it accomplishes the excision of rim charge simultaneously, greatly reduced mould expense to make in the PET membrane forming process to save time and economize artificial IM L shaping belt side cut integrated die structure.

In order to achieve the purpose, the utility model discloses a IM L shaping area side cut integration mould structure, including cope match-plate pattern and lower bolster, the concave shaping structure that supplies the shaping of PET diaphragm that has in the top surface of cope match-plate pattern, the position department that the bottom surface of cope match-plate pattern corresponds to the shaping cavity sets up the mould benevolence structure that can stretch into shaping structure internal forming, the top surface lock of above-mentioned lower bolster has the rigid material template of top, the concave first cavity that has in the top surface of above-mentioned rigid material template, the concave shaping cavity that has with the PET diaphragm that has in the chamber bottom of first cavity, the position that the cavity of above-mentioned first cavity is located outside the shaping cavity constitutes the cutting step, above-mentioned first cavity constitutes with the shaping cavity shaping structure, the mouth department of above-mentioned shaping cavity is equipped with along the circumference direction of shaping cavity and encircles the shaping cavity and sets up first sword structure, the bottom surface lock of above-mentioned cope match has the rigid material template, the rigid material template of bottom surface lock has the rigid material template of lower sword structure with first cavity phase match, the bottom surface of above-mentioned rigid material template downwardly extends has the shaping protruding benevolence that fits with the cutting.

And a pressing plate is arranged below the upper template, a space is reserved between the pressing plate and the upper template, and a tensioning spring is tensioned between the pressing plate and the upper template.

The bottom surface of the upper template is provided with a guide post vertically extending downwards at the edge of the upper template, the pressing plate and the lower hard material template are provided with guide through holes for the guide post to extend into for guiding and moving, the outer side wall of the end part of the lower end of the guide post is provided with a pair of cutting inclined planes, and the two cutting inclined planes form a horn shape gradually expanding from bottom to top.

The upper hard material template and the lower hard material template are steel templates.

Two rows of positioning needles which are arranged oppositely are arranged on the lower hard material template, the two rows of positioning needles are respectively and correspondingly positioned outside two sides of the cavity opening of the first cavity, and each row of positioning needles are arranged at intervals along the edge of the first cavity.

The top surface of the upper hard material template is concavely provided with a mounting hole for the positioning pin to be tightly matched and sleeved, the bottom surface of the lower hard material template is correspondingly concavely provided with a positioning hole corresponding to the mounting hole, the lower end of the positioning pin is embedded in the mounting hole, and the upper end of the positioning pin upwards extends out of the mounting hole.

The utility model discloses a IM L shaping area side cut integration mould structure, during the application, keep flat the PET membrane under on the hard material template, later the cope match-plate pattern moves down, hard material template is impressed the local position of PET membrane in first cavity down, move down always, most part position that the protruding benevolence of shaping of hard material template will be in the PET membrane in first cavity is impressed the shaping intracavity and is gone out and have bordured 3D diaphragm down, hard material template extrudees downwards slightly again this moment, the second cutting edge structure of hard material template can become the first cutting edge structure of cavity department and produce the shearing force jointly in the relative contact, can be with the border excision of 3D diaphragm under the effect of shearing force this moment, realize the shaping together accomplishes with the excision, need not to adopt one set of mould again alone, greatly reduced mould expense, whole process time has been shortened greatly, and save artifically, through the test, the product that this mould shaping of saving time reached customer's volume production requirement completely.

Drawings

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

FIG. 2 is an exploded perspective view of a portion of the present invention;

fig. 3 is a perspective view of the middle and lower templates of the present invention.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.

The utility model discloses a IM L shaping area is cut edge and is integrated mould structure, as shown in fig. 1-3, including cope match-plate pattern 1 and lower bolster 2, cope match-plate pattern 1 and lower bolster 2 are square board, and the concave shaping structure that supplies the PET diaphragm shaping that has of top surface of cope match-plate pattern 1, and the position department of the bottom surface of cope match-plate pattern 2 corresponding to the shaping cavity establishes the mould benevolence structure that can stretch into shaping structure internal forming.

The utility model discloses an improvement part lies in: the top surface of the lower template 2 is fixedly provided with an upper hard material template 3 through bolts, the bottom surface of the upper template 1 is fixedly provided with a lower hard material template 4 through bolts, the upper hard material template 3 and the lower hard material template 4 are preferably steel templates, a first cavity 31 is recessed in the top surface of the upper hard material template 3, a forming cavity 32 matched with a PET membrane is recessed in the cavity bottom of the first cavity 31, the contour of the forming cavity 32 is the same as that of a product to be formed, the technology is a known technology, it is not mentioned herein that the part of the cavity of the first cavity 31, which is located outside the forming cavity 32, forms a cutting step 100, the size of the first cavity 31 and the size of the forming cavity 32 differ by several millimeters, therefore, the width of the cutting step 100 is small, and the first cavity 31 and the forming cavity 32 form the forming structure. The first cutting edge structure (not shown) is disposed at the cavity opening of the forming cavity 32 and surrounds the forming cavity in the circumferential direction, and the first cutting edge structure is a slope that is formed on the edge of the cavity opening of the forming cavity 32, and is the same as the existing cutting edge structure for cutting, which is a known technology and will not be described herein again.

The lower hard material template 4 is matched with the first cavity 31, namely the outline of the lower hard material template 4 is matched with the shape of the first cavity 31, the bottom surface of the lower hard material template 4 extends downwards to form a forming convex core 41 matched with the forming cavity 32, a step structure is correspondingly formed between the forming convex core 41 and the lower hard material template 4, the bottom surface of the lower hard material template 4 is provided with a second blade structure which is oppositely arranged with the first blade structure in a cutting way, a pointed structure with a certain inclined plane is ground at the edge of the forming convex core 41 of the lower hard material template 4, and the pointed structure can be oppositely contacted with the first blade to generate shearing force, and the first blade structure and the second blade structure are structures which are commonly used in the existing cutting field, adopt the prior art and are not structures newly developed by the inventor.

The lower part of the upper template 1 is provided with a pressure plate 5, a certain distance is arranged between the pressure plate 5 and the upper template 1, the position of the pressure plate 5 corresponding to the lower hard template 4 is provided with a through hole 51 for the lower hard template 4 to pass through, a plurality of connecting rods 6 for connection are erected between the pressure plate 5 and the upper template 1, the connecting rods 6 are in an erected cylindrical structure, the top surface of the pressure plate 5 and the bottom surface of the upper template 1 are respectively provided with mounting holes for the end parts of the connecting rods 6 to extend into, the upper end parts of the connecting rods 6 extend into the mounting holes of the upper template 1 and are in locking fit with the upper template, namely the connecting rods 6 are bolts, the lower end parts of the connecting rods 6 are tightly fitted into the mounting holes of the pressure plate 5, the lower end parts of the connecting rods 6 are spaced from the hole bottoms of the mounting holes of the pressure plate 5, a plurality of vertically arranged tension springs 7 are tensioned between the pressure plate 5, the tensioning springs 7 are distributed around the periphery of the lower hard material formwork 4 at intervals, mounting concave cavities are correspondingly and concavely formed in the positions, corresponding to the tensioning springs 7, of the bottom surface of the upper formwork 1 and the top surface of the pressing plate 5, the upper end portions and the lower end portions of the tensioning springs 7 correspondingly extend into the mounting concave cavities, and the upper end portions and the lower end portions of the tensioning springs 7 are correspondingly adhered in the mounting concave cavities.

The utility model discloses a IM L shaping area side cut integration mould structure, during the application, keep flat the PET membrane on hard material template 3 down, later cope match-plate pattern 1 moves down, press flitch 5 to compress tightly the PET membrane along with the shifting down of cope match-plate pattern 1, and utilize tensioning tension spring tensioning force to make the PET membrane can not the dislocation, later cope match-plate pattern 1 continues to move down, lower hard material template 4 passes through pressing flitch 5 pass hole 51 with the local position of PET membrane in the first cavity 31, move down all the time, until the protruding benevolence 41 of shaping of lower hard material template 4 will be in most part of the PET membrane in the first cavity shaping cavity 32 shaping play have bordure 3D diaphragm, hard material template 4 extrudees down slightly again down this moment, second cutting edge structure (sharp-pointed inclined plane) of lower hard material template 4 can become the first cutting edge structure (sharp-pointed inclined plane promptly) of cavity mouth department and produce the shearing force jointly, can cut off the excision of 3D diaphragm under the effect of this moment, realize accomplishing together with the excision of excision, need not adopt the shaping again, the one set of spring greatly, the compression spring can greatly reduced when the tensioning mould, the shaping of the PET membrane is pressed down, the compression spring makes the PET membrane 7, the compression mould, the compression of the former 7, the compression of the former is realized, the compression of the PET membrane, the compression of the former when the former is realized, the compression of the PET membrane, the compression of the former 7, the former, the compression of the former, the former.

In the utility model, the left and right side edges of the bottom surface of the upper template 1 are respectively provided with a guide post 8 vertically extending downwards, specifically, the left and right side walls of the upper template 1 are respectively provided with a step hole penetrating up and down, the upper end part of the guide post 8 is stacked in the step hole and locked by a bolt, the lower end of the guide post 8 is positioned below the upper template 1, the lower hard material template is longer than the lower hard material template 4, the left side wall and the right side wall of the pressure plate 5 and the lower hard material template 3 are respectively provided with guide through

holes

52 and 33 which are communicated up and down and are used for guiding the guide columns to extend into and move, the total length of the two guide through holes is more than or equal to the length of the part of the guide column 8 below the bottom surface of the upper template 1, the left outer side wall and the right outer side wall of the end part of the lower end of the guide column 8 are provided with a pair of cutting inclined planes, the two cutting inclined planes form a horn shape gradually expanding from bottom to top, and the lower end of each cutting inclined plane; therefore, the guide column 8 can be used for guiding the downward movement of the upper template 1, and the stability of the molding quality is further ensured.

In the utility model, two rows of positioning pins (not shown in the figure) are arranged on the top surface of the lower hard material template 3, the two rows of positioning pins are respectively correspondingly positioned outside the front side and the rear side of the orifice of the first cavity 31, and each row of positioning pins are arranged at intervals along the left and right direction of the first cavity, specifically, the top surface of the lower hard material template 3 is concavely provided with a mounting hole 34 for the positioning pins to be tightly matched and sleeved, the bottom surface of the lower hard material template 4 is correspondingly concavely provided with a positioning hole (not shown in the figure) corresponding to the mounting hole, the lower end of the positioning pin is embedded in the mounting hole, and the upper end of the positioning pin extends upwards out of the mounting hole; when using, the sharp-pointed structure at utilization locating pin top can pass the PET diaphragm, makes the PET diaphragm be fixed a position, further guarantees the shaping quality, again, when utilizing the locating hole to make the cope match-plate pattern move down, in the upper end of locating pin can corresponding stretch into the locating hole, can not influence pressing the pushing down of flitch 5.

The above embodiments and drawings do not limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be considered as departing from the scope of the present invention.

Claims

1. An IM L forming integrated die structure with trimming comprises an upper die plate and a lower die plate, wherein a forming structure for forming a PET membrane is recessed in the top surface of the upper die plate, a die core structure capable of extending into the forming structure to be formed is arranged at the position, corresponding to a forming concave cavity, of the bottom surface of the upper die plate, the top surface of the lower die plate is fixedly locked with an upper hard material die plate, a first cavity is recessed in the top surface of the upper hard material die plate, a forming cavity matched with the PET membrane is recessed in the cavity bottom of the first cavity, a cutting step is formed at the position, located outside the forming cavity, of the cavity of the first cavity, the first cavity and the forming cavity form the forming structure, a first knife edge structure arranged in a surrounding mode along the circumferential direction of the forming cavity is arranged at the cavity opening of the forming cavity, a lower hard material die plate is locked with the bottom surface of the upper die plate, the lower hard material die plate is matched with the first cavity, a forming convex core matched with the forming cavity is downwardly extended from the bottom surface of the lower hard material die plate, and a second knife edge structure arranged in a cutting mode opposite to the first.

2. The IM L molding belt trimming integrated die structure of claim 1, wherein a pressure plate is arranged below the upper die plate, a gap is formed between the pressure plate and the upper die plate, and a tension spring is tensioned between the pressure plate and the upper die plate.

3. The IM L forming die structure with integral trimming function as claimed in claim 2, wherein the bottom surface of the upper die plate is provided with a guide post extending vertically downward at the edge of the upper die plate, the pressing plate and the lower hard material die plate are both provided with guide through holes for the guide post to extend into and move, the outer side wall of the lower end of the guide post is provided with a pair of cutting slopes, and the two cutting slopes form a horn shape gradually expanding from bottom to top.

4. The integrated die structure with trimming for IM L molding strip of claim 1, wherein the upper hard material template and the lower hard material template are steel templates.

5. The IM L molding belt trimming integrated mold structure of claim 1, wherein the lower hard match plate has two rows of positioning pins disposed opposite to each other, the two rows of positioning pins are respectively disposed outside the two sides of the cavity opening of the first cavity, and each row of positioning pins are spaced along the edge of the first cavity.

6. The IM L molding strip trimming integrated die structure of claim 5, wherein the top surface of the upper hard material template is recessed with mounting holes for the positioning pins to fit tightly, the bottom surface of the lower hard material template is correspondingly recessed with positioning holes corresponding to the mounting holes, the lower ends of the positioning pins are embedded in the mounting holes, and the upper ends of the positioning pins extend upwards out of the mounting holes.