Multi-point rubber feeding forming mold for liquid silica gel coated on plastic product

Abstract

The utility model discloses a plastic product package liquid silica gel multi-point glue feeding forming mould, which is composed of an upper plate, a middle plate and a lower plate from top to bottom, two lower cavities are oppositely arranged on the top surface of the lower plate, plastic product placing groove positions are arranged in the lower cavities, two upper cavities corresponding to the lower cavities are oppositely arranged on the bottom surface of the middle plate, and the plastic product placing groove positions are arranged in the upper cavities. One upper cavity and one lower cavity form a finished product cavity, two glue inlet cavities in one-to-one correspondence with the finished product cavities are oppositely formed in the top surface of the middle plate, the glue inlet cavities are communicated with the finished product cavities through glue inlet frames, and a plurality of glue inlets are uniformly formed in the glue inlet frames; and two extrusion blocks in one-to-one correspondence with the glue inlet cavities are oppositely and convexly arranged on the bottom surface of the upper plate. The utility model perfectly solves the problem of production of plastic products and liquid silica gel products by using a solid silica gel machine table, has lower cost than the product production cost by directly using a liquid silica gel machine table, saves more runners, and is convenient to operate during product production, thereby maximizing the added value of the products.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely relates to a plastic product package liquid silicone rubber multi -point glue forming mould of making. BACKGROUND

[0002] The injection mode of the injection product package liquid silicone rubber structure is injection mould at present, since the plastic product package silicone rubber can only be placed on the vertical liquid silicone rubber injection molding machine to form, its defects are:

[0003] 1, the plastic product package liquid silicone rubber cannot be produced on the existing solid silicone rubber machine;

[0004] 2, the product is relatively large, in order to improve the production capacity, requires to do 1X2, so the increase of the mould improves the manufacturing cost;

[0005] 3, because the mould is relatively large, so the machine table requirement is also relatively large, and the machine table cost is high;

[0006] 4, the long liquid silicone rubber mould runner is difficult to balance glue, needs to do the cold nozzle system, and the glue cost is high;

[0007] 5, the three-plate mould runner is difficult to take out on the vertical liquid silicone rubber injection molding machine;

[0008] 6, when the mould is opened, the product remains in the front mould, and the product is difficult to take out. UTILITY MODEL CONTENTS

[0009] The utility model aims at overcoming the insufficient of prior art, and provides a plastic product package liquid silicone rubber multi -point glue forming mould.

[0010] The utility model discloses a technical scheme as follows:

[0011] A plastic product package liquid silicone rubber multi -point glue forming mould is composed of an upper plate, a middle plate and a lower plate from top to bottom, the top surface of the lower plate is relatively provided with two lower cavities, a plastic product placing groove is arranged in the lower cavity, the bottom surface of the middle plate is relatively provided with two upper cavities corresponding to the lower cavities, one upper cavity and one lower cavity form a finished product cavity, the top surface of the middle plate is relatively provided with two glue feeding cavities corresponding to the finished product cavities one by one, the glue feeding cavities are communicated with the finished product cavities through a glue feeding frame, a plurality of glue feeding ports are uniformly arranged on the glue feeding frame, and the bottom surface of the upper plate is relatively provided with two extrusion blocks corresponding to the glue feeding cavities.

[0012] Further, the top surface of the lower plate is provided with a plurality of first guide columns and first guide sleeves, the bottom surface of the middle plate is provided with a plurality of second guide sleeves corresponding to the first guide columns and second guide columns corresponding to the first guide sleeves.

[0013] Further, the top surface of the lower plate is provided with a plurality of elastic bumpers.

[0014] Further, the middle plate is provided with a mold opening plate on both sides.

[0015] Further, the top surface of the middle plate is provided with a plurality of third guide sleeves and spring accommodating holes, and the bottom surface of the upper plate is provided with a plurality of third guide columns corresponding to the third guide sleeves and springs corresponding to the spring accommodating holes.

[0016] Further, the upper plate is provided with a mold opening module on both sides.

[0017] Compared with the prior art, the plastic product liquid silicone multi-point glue injection forming mold provided by the utility model perfectly solves the problem of producing plastic product liquid silicone by solid silicone machine, and has lower cost than directly producing products by liquid silicone machine, saves runner, and is convenient for operation during product production, so that the product added value is maximized. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0019] Figure 1 The structure schematic diagram of the plastic product liquid silicone multi-point glue injection forming mold provided by the utility model is shown in the figure.

[0020] Figure 2 The top surface structure schematic diagram of the lower plate of the utility model is shown in the figure.

[0021] Figure 3 The bottom surface structure schematic diagram of the middle plate of the utility model is shown in the figure.

[0022] Figure 4 The top surface structure schematic diagram of the middle plate of the utility model is shown in the figure.

[0023] Figure 5 The bottom surface structure schematic diagram of the upper plate of the utility model is shown in the figure.

[0024] Figure 6 The finished product schematic diagram of the utility model is shown in the figure. DETAILED DESCRIPTION

[0025] In order to make the utility model purposes, technical schemes and advantages more clearly, the following will be further described in detail with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0026] In order to illustrate the technical scheme of the utility model, the following will be described by specific examples.

[0027] Embodiment

[0028] Please refer to Figures 1-5 , the embodiment provides a plastic product package liquid silicone multi-point glue forming mold, which is composed of an upper plate 1, a middle plate 2 and a lower plate 3 from top to bottom, the top surface of the lower plate 3 is oppositely provided with two lower cavities 31, the lower cavities 31 are provided with plastic product placing grooves 32, the bottom surface of the middle plate 2 is oppositely provided with two upper cavities 21 corresponding to the lower cavities 31, one upper cavity 21 and one lower cavity 31 form a finished product cavity, the top surface of the lower plate 3 is provided with a plurality of first guide columns 33, first guide sleeves 34 and elastic tops 35, the bottom surface of the middle plate 2 is provided with a plurality of second guide sleeves 22 corresponding to the first guide columns 33 and second guide columns 23 corresponding to the first guide sleeves 34, the middle plate 2 is elastically contacted with the elastic tops 35 when being combined on the lower plate 3, the two sides of the middle plate 2 are respectively provided with mold opening plates 24, the top surface of the middle plate 2 is oppositely provided with two glue inlet cavities 25 corresponding to the finished product cavities, the glue inlet cavities 25 are communicated with the finished product cavities through glue inlet frames 26, the glue inlet frames 26 are uniformly provided with a plurality of glue inlet ports 261, the bottom surface of the upper plate 1 is oppositely provided with two extrusion blocks 11 corresponding to the glue inlet cavities 25, the top surface of the middle plate 2 is provided with a plurality of third guide sleeves 27 and spring accommodating hole grooves 28, the bottom surface of the upper plate 1 is provided with a plurality of third guide columns 12 corresponding to the third guide sleeves 27 and springs 13 corresponding to the spring accommodating hole grooves 28, the two sides of the upper plate 1 are respectively provided with mold clamping blocks 14.

[0029] The production process of the mold is as follows: first, place the treated plastic product 10 on the plastic product placing groove 32 of the lower cavity 31 of the lower plate 3, then combine the middle plate 2 and the lower plate 3, put the glue inlet frame 26 of the glue inlet cavity 25 of the middle plate 2 into the glue inlet frame 26 of the glue inlet cavity 25 of the middle plate 2 after the mixed liquid silicone is discharged by the feeding gun, use the good flowing characteristics of the liquid silicone to combine the upper plate 1 to extrude the liquid silicone into the finished product cavity through the glue inlet port 261, after completely combining, use the solid silicone machine to directly vacuum, and at the same time, use the heating function of the machine to heat the vulcanization, when the mold is opened, the upper plate 1 and the middle plate 2 are opened by the force of the spring 13 to take out the water outlet, the machine ejects the middle plate 2, and at the same time, the middle plate 2 is turned over by 45 degrees, so that the plastic product 10 package liquid silicone 20 product as shown in Figure 6 can be directly taken out on the middle plate 2.

[0030] The mold has the following characteristics:

[0031] 1. Only need to increase the liquid silicone supply device (use the supply device to mix group A and group B liquid silicone, then use the metering supply gun to achieve precise feeding), without increasing the vertical liquid silicone injection molding machine, low cost and small area of the machine;

[0032] 2. Can directly produce plastic products with liquid silicone on the existing solid silicone machine, as the solid silicone machine has no feeding system, but through extrusion feeding molding, so no need to do the cold nozzle system feeding, thereby saving the cost of the cold nozzle system;

[0033] 3. Using extrusion liquid silicone feeding mode can ensure balanced feeding of each feeding port;

[0034] 4. The product is easy to take out.

[0035] The above is only a preferred embodiment of the present application, and is not used to limit the present application, any modification, equivalent replacement and improvement within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A multi-point injection mold for molding liquid silicone into plastic products, characterized in that: The upper plate, the middle plate and the lower plate are arranged from top to bottom, the top surface of the lower plate is oppositely provided with two lower cavities, the lower cavities are provided with plastic product placing slots, the bottom surface of the middle plate is oppositely provided with two upper cavities corresponding to the lower cavities, one upper cavity and one lower cavity form a finished product cavity, the top surface of the middle plate is oppositely provided with two glue feeding cavities corresponding to the finished product cavities, the glue feeding cavities are communicated with the finished product cavities through glue feeding frames, the glue feeding frames are uniformly provided with a plurality of glue feeding ports, and the bottom surface of the upper plate is oppositely provided with two extrusion blocks corresponding to the glue feeding cavities.

2. The multi-point injection molding mold for molding a plastic product with liquid silicone according to claim 1, wherein: The top surface of the lower plate is provided with a plurality of first guide columns and first guide sleeves on the periphery, the bottom surface of the middle plate is provided with a plurality of second guide sleeves corresponding to the first guide columns and a plurality of second guide columns corresponding to the first guide sleeves on the periphery.

3. The multi-point injection molding mold for molding a plastic product with liquid silicone according to claim 2, wherein: The top surface of the lower plate is further provided with a plurality of elastic tops on the periphery, and the middle plate is elastically in contact with the elastic tops when the middle plate is combined on the lower plate.

4. The multi-point injection molding mold for molding a plastic product with liquid silicone according to claim 1, wherein: The two sides of the middle plate are respectively provided with mold opening plates.

5. The multi-point injection molding mold for molding a plastic product with liquid silicone according to claim 1, wherein: The top surface of the middle plate is provided with a plurality of third guide sleeves and spring accommodating hole grooves on the periphery, the bottom surface of the upper plate is provided with a plurality of third guide columns corresponding to the third guide sleeves and springs corresponding to the spring accommodating hole grooves on the periphery.

6. The multi-point injection molding mold for molding a plastic product with liquid silicone according to claim 1, wherein: The two sides of the upper plate are respectively provided with mold opening modules.

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