A cold flow rubber molding mold

Abstract

The present invention provides a cold flow rubber molding mold, including: a mold upper plate and a mold lower plate; also including: a cooling plate, a heat insulation plate and a heating plate; the cooling plate, the heat insulation plate and the heating plate are sequentially assembled on the upper end surface of the mold upper plate from top to bottom; the cooling plate, the heat insulation plate and the heating plate are provided with aligned through holes at the injection port position of the mold upper plate, and a guide sleeve is installed inside the through hole, that is, the output port of the guide sleeve is connected to the injection port of the mold upper plate; an inverted cone-shaped traction block is provided at the connection position between the injection port of the mold upper plate and the output port of the guide sleeve. The present invention adopts the above technical solution to achieve the purpose of non-vulcanization in the flow channel during the vulcanization of the rubber material, and achieves the purpose of repeated recycling. After the mold is opened, the waste material at the gate position is reduced, and the treatment is simple and convenient, so as to achieve the purpose of saving materials and labor time, improve efficiency and save costs.

Description

Technical Field

[0001] The invention relates to the technical field of mold runners, and in particular to a cold flow rubber molding mold. Background Art

[0002] At present, the existing molds are used in rubber molding. Since the molds themselves have no temperature regulation ability, it is inevitable that a lot of waste will be generated in the flow channel of ordinary injection molds due to vulcanization after molding. This requires post-processing, which wastes time and rubber materials.

[0003] In addition, the rubber at the injection port position is prone to tearing during the mold opening process. Summary of the invention

[0004] According to the technical problem raised above, a cold flow rubber molding die is provided. The technical means adopted by the present invention are as follows:

[0005] A cold flow rubber molding mold, comprising: a mold upper plate and a mold lower plate;

[0006] Also includes: cooling plates, heat insulation plates and heating plates;

[0007] The cooling plate, the heat insulating plate and the heating plate are sequentially assembled on the upper end surface of the upper plate of the mold from top to bottom;

[0008] The cooling plate, the heat insulation plate, the heating plate and the injection port of the upper plate of the mold are provided with aligned through holes, and a guide sleeve is installed inside the through hole, that is, the output port of the guide sleeve is connected with the injection port of the lower plate of the mold;

[0009] The outlet position of the above-mentioned flow guide sleeve is a bell mouth;

[0010] An inverted cone-shaped traction block is provided at the connection position between the injection port of the lower plate of the mold and the output port of the guide sleeve.

[0011] The present invention adopts the above technical solution, by adding a cooling plate, a heat insulation plate and a heating plate to the assembly structure of the mold upper plate, so as to achieve the non-vulcanization of the rubber in the flow channel during the vulcanization process, thereby achieving the purpose of repeated recycling. After the mold is opened, the waste material at the gate position is reduced, and the processing is simple and convenient, thereby achieving the purpose of saving materials and labor hours, improving efficiency and saving costs.

[0012] Furthermore,

[0013] The traction block is the end of a pin, and the pin is threadedly assembled with the lower plate of the mold;

[0014] As a detachable structure, it is convenient to replace the pin 100 with different traction block diameters and shapes to adapt to different casting materials.

[0015] Furthermore,

[0016] A U-shaped liquid circulation channel is provided inside the pin;

[0017] By using the heat exchange flow of an external heat exchange liquid in the U-shaped liquid circulation channel, the temperature of the pin is adjusted (usually instantaneous temperature adjustment during the mold opening process) to ensure that the traction block is broken and a gap is created during the entire mold opening process.

[0018] Furthermore,

[0019] The top of the U-shaped liquid circulation channel is located just below the traction block;

[0020] The purpose of this structure is to ensure the heat exchange efficiency at the bottom of the traction block.

[0021] Furthermore,

[0022] The diameter of the top flow channel of the U-shaped liquid circulation flow channel is larger than the diameter of the flow channels on both sides.

[0023] The purpose of this structure is to increase the amount of heat exchange liquid at this location to ensure the heat exchange rate and duration (generally used for coolant).

[0024] Compared with the prior art, the present invention has the following advantages:

[0025] 1. Less waste.

[0026] 2. It can effectively avoid the tearing notch caused by mold opening and reduce the defective rate.

[0027] 3. Since the flow state of rubber injection is controllable, continuous pouring can be achieved. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0029] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0030] Figure 2 It is a schematic diagram of the top view structure of the present invention.

[0031] Figure 3 for Figure 2 AA section view.

[0032] Figure 4 It is a schematic diagram of the U-shaped liquid circulation channel of the present invention. DETAILED DESCRIPTION

[0033] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means intended to limit the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit exemplary embodiments according to the present invention. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprising" and / or "including" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0036] Unless otherwise specifically stated, the relative arrangement of the parts and steps described in these embodiments, the numerical expressions and numerical values ​​do not limit the scope of the present invention. At the same time, it should be clear that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0037] In the description of the present invention, it is necessary to understand that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings. They are only for the convenience of describing the present invention and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention: the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0038] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below their position devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0039] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the present invention.

[0040] As shown in the figure, Figure 2 and Figure 3 As shown, the present invention provides a cold flow rubber molding mold, comprising: a mold upper plate 1 and a mold lower plate 2;

[0041] It also includes: a cooling plate 4, a heat insulation plate 5 and a heating plate 6;

[0042] The cooling plate 4, the heat insulating plate 5 and the heating plate 6 are sequentially assembled on the upper end surface of the mold upper plate 1 from top to bottom;

[0043] The cooling plate 4, the heat insulation plate 5, the heating plate 6 and the injection port of the mold upper plate 1 are provided with aligned through holes, and a guide sleeve A is installed inside the through hole, that is, the output port of the guide sleeve A is connected to the injection port of the mold lower plate 2;

[0044] The outlet position of the above-mentioned flow guide sleeve A is a bell mouth;

[0045] An inverted cone-shaped pulling block 22 is provided at the connection position between the injection port of the mold lower plate 2 and the output port of the guide sleeve A.

[0046] The present invention adopts the above technical solution, by adding a cooling plate 4, a heat insulation plate 5 and a heating plate 6 to the assembly structure of the mold upper plate 1, and by controlling the temperature of each layer, the non-vulcanization of the rubber in the flow channel (guide sleeve A) during the vulcanization process is promoted, thereby achieving the purpose of repeated recycling. After the mold is opened, the waste material at the gate position is reduced, and the processing is simple and convenient, thereby achieving the purpose of saving materials and labor hours, improving efficiency and saving costs.

[0047] Furthermore,

[0048] The traction block 22 is the end of the pin 100, and the pin 100 and the mold lower plate 2 are threadedly assembled;

[0049] As a detachable structure, it is convenient to replace the pin 100 with different traction block 22 diameters and shapes to adapt to different casting materials.

[0050] Further, such as Figure 4 As shown,

[0051] A U-shaped liquid circulation channel 101 is provided inside the pin 100;

[0052] By means of the heat exchange flow of an external heat exchange liquid in the U-shaped liquid circulation channel 101, the temperature of the pin 100 is adjusted (usually instantaneous temperature adjustment during the mold opening process) to ensure that the traction block 22 is broken during the entire mold opening process to form a gap.

[0053] Further, such as Figure 4 As shown,

[0054] The top of the U-shaped liquid circulation channel 101 is located just below the traction block 22;

[0055] This structure aims to ensure the heat exchange efficiency at the bottom of the traction block 22 .

[0056] Further, such as Figure 4 As shown,

[0057] The diameter of the top flow channel of the U-shaped liquid circulation flow channel 101 is larger than the diameter of the flow channels on both sides.

[0058] The purpose of this structure is to increase the amount of heat exchange liquid at this location to ensure the heat exchange rate and duration (generally used for coolant).

[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cold flow rubber molding mold, comprising: A mold upper plate (1) and a mold lower plate (2); characterized in that it also includes: a cooling plate (4), a heat insulation plate (5) and a heating plate (6); The cooling plate (4), the heat insulating plate (5) and the heating plate (6) are sequentially assembled on the upper end surface of the mold upper plate (1) from top to bottom; The cooling plate (4), the heat insulating plate (5), the heating plate (6) and the injection port of the mold upper plate (1) are provided with aligned through holes, and a flow guide sleeve (A) is installed inside the through hole, that is, the output port of the flow guide sleeve (A) is connected to the injection port of the mold lower plate (2); The outlet position of the above-mentioned flow guide sleeve (A) is a bell mouth; An inverted cone-shaped traction block (22) is provided at the connection position between the injection port of the mold lower plate (2) and the output port of the guide sleeve (A); The traction block (22) is the end of the pin (100), and the pin (100) and the mold lower plate (2) are threadedly assembled; A U-shaped liquid circulation channel (101) is provided inside the pin (100); The diameter of the top flow channel of the U-shaped liquid circulation flow channel (101) is larger than the diameter of the flow channels on both sides; The end of the pin (100) is a stepped structure, and the stepped structure is engaged and assembled with the lower plate (2) of the mold.

2. A cold flow rubber molding mold according to claim 1, characterized in that: The top end of the U-shaped liquid circulation channel (101) is located just below the traction block (22).

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