A rapid prototyping pressurized die

Abstract

The utility model discloses a rapid prototyping pressurized die, which belongs to the technical field of composite material protrusion, and comprises an upper die plate, a middle die plate, a lower die plate and an ejector assembly, wherein the lower surface of the upper die plate is outwardly protruding and provided with a protruding boss, the middle die plate is provided with a first through groove corresponding to the position of the protruding boss, the upper surface of the lower die plate is inwardly recessed and provided with a sink groove, the protruding surface of the protruding boss passes through the first through groove and is placed in the sink groove; the upper die plate is provided with a positioning column, the middle die plate is provided with a second through groove, the position of the positioning column passing through the second through groove is fixedly connected with the positioning groove provided in the lower die plate; the ejector assembly is movably provided on the lower die plate; the lower surface of the lower die plate is connected with the sink groove and provided with a detection hole. The utility model can quickly demould, quickly position and close the die, and ensure product quality while ensuring product production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of composite material molding, in particular to a rapid molding pressurized mold. Background Art

[0002] With the continuous development and application of composite material molding technology, higher requirements are put forward for the appearance quality of composite material products, and at the same time, it is required to ensure that the front and back sides of the product are flat, smooth and defect-free. Therefore, for this type of product, the process adopts autoclave or compression molding, and the mold adopts double-sided mold. However, these two molding methods are costly and not suitable for single-piece and small-batch products. In addition, it is not easy to demold after the product is made, which reduces the production efficiency. Summary of the invention

[0003] The main purpose of the utility model is to solve the above-mentioned technical problems to a certain extent, and to provide a rapid prototyping pressurized mold, which can quickly demould, quickly position and close the mold, thereby ensuring product quality and product production efficiency.

[0004] The above-mentioned problem to be solved by the utility model is achieved through the following technical solutions:

[0005] A rapid prototyping pressurized die is proposed, comprising an upper die plate, a middle die plate, a lower die plate and an ejector assembly which are arranged in sequence from top to bottom, wherein the lower surface of the upper die plate is protruding outwardly and provided with a forming boss, the middle die plate is provided with a first through groove corresponding to the position of the forming boss, the upper surface of the lower die plate is recessed inwardly and provided with a sink groove, the forming surface of the forming boss passes through the first through groove and is placed in the sink groove; the upper die plate is provided with a positioning column, the middle die plate is provided with a second through groove, the part of the positioning column passing through the second through groove is fixedly connected with the positioning groove provided in the lower die plate, so that the upper die plate, the middle die plate and the lower die plate are molded together; the ejector assembly is movably arranged on the lower die plate, and the middle die plate, the lower die plate and the product are lifted and separated by the ejector assembly; the lower surface of the lower die plate is connected with the sink groove and provided with a detection hole.

[0006] In some embodiments, the ejection assembly includes an ejector rod, and a slot is provided on the lower surface of the lower template that is connected to the sink groove. The ejector rod is movably disposed in the slot, and as the ejector rod is inserted, its end extends into the sink groove.

[0007] In some embodiments, the positioning posts are provided in four groups and are respectively arranged around the edge of the lower template.

[0008] In some embodiments, the cross-section of the positioning column is a trapezoidal structure that is wide at the top and narrow at the bottom.

[0009] In some embodiments, a first limiting protrusion is provided on the lower surface of the upper template around the forming boss, and an outer wall of the first limiting protrusion is in contact with an inner wall of the first through groove.

[0010] In some embodiments, a bottom surface of the first limiting protrusion is flush with a bottom surface of the first through groove.

[0011] In some embodiments, the end surface depression where the middle template and the lower template are fitted is provided with a limiting groove, the upper surface of the lower template is provided with a second limiting protrusion, and the outer wall of the second limiting protrusion is fitted with the inner wall of the limiting groove.

[0012] In some embodiments, a glue overflow groove is provided on the lower surface of the middle template around the outer side of the limiting groove.

[0013] The above technical solution provided by this application has the following advantages compared with the prior art:

[0014] The utility model discloses a positioning column which passes through the second through groove and is fixedly connected with the positioning groove during mold closing, which can play the role of guiding and quickly closing the mold. The detection hole provided can facilitate the discharge of gas inside the product during product molding, and a temperature detector can be placed in the product to monitor the temperature of the product curing process in real time. At the same time, after the product is molded, the middle mold plate, the lower mold plate and the product can be quickly lifted and separated through the ejection component, so that the product can be quickly demoulded without damaging the product itself after the production is completed, thereby ensuring product quality and product production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model 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 only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0016] Figure 1 This is a structural diagram of the pressurized mold for rapid prototyping of the utility model;

[0017] Figure 2 It is a structural diagram of the template in the utility model;

[0018] Figure 3 This is a structural diagram of the lower template of the utility model;

[0019] Figure 4 It is a cross-sectional view of the pressurized mold for rapid prototyping of the utility model.

[0020] Description of Figure Numbers:

[0021] 1-upper template; 2-middle template; 3-lower template; 4-molding boss; 5-first through slot; 6-sinking slot; 7-positioning column; 8-second through slot; 9-positioning slot; 10-thrust rod; 11-slot; 12-detection hole; 13-first limiting protrusion; 14-limiting slot; 15-second limiting protrusion; 16-overflow glue slot. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0024] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0025] like Figure 1-4As shown, the utility model proposes a rapid prototyping pressurized mold, including an upper template 1, a middle template 2, a lower template 3 and an ejector assembly which are arranged in sequence from top to bottom. The lower surface of the upper template 1 is protruding outwardly and provided with a molding boss 4, the middle template 2 is provided with a first through groove 5 at a position corresponding to the molding boss 4, the upper surface of the lower template 3 is recessed inwardly and provided with a sink groove 6, the molding surface of the molding boss 4 passes through the first through groove 5 and is placed in the sink groove 6; the upper template 1 is provided with a positioning column 7, the middle template 2 is provided with a second through groove 8, the position of the positioning column 7 passing through the second through groove 8 is fixedly connected with the positioning groove 9 provided in the lower template 3, so that the upper template 1, the middle template 2, and the lower template 3 are molded; the ejector assembly is movably arranged on the lower template 3, the ejector assembly includes a push rod 10, the lower surface of the lower template 3 is connected with the sink groove 6 and is provided with a slot 11, the push rod 10 can be movably arranged in the slot 11, and its end extends into the sink groove 6 as the push rod 10 is inserted; the lower surface of the lower template 3 is connected with the sink groove 6 and is provided with a detection hole 12.

[0026] In this embodiment, when the mold is closed, the positioning column 7 passes through the second through groove 8 and is fixedly connected to the positioning groove 9, which can play a role of guidance and rapid mold closing. The detection hole 12 is arranged to facilitate the discharge of internal gas of the product when the product is formed, and a temperature detector can be placed to monitor the temperature of the product curing process in real time. At the same time, after the product is formed, the middle template 2, the lower template 3 and the product can be quickly lifted and separated through the ejection component, so that the product can be quickly demolded without damaging the product itself after the production is completed, thereby ensuring product quality while ensuring product production efficiency.

[0027] There are four groups of positioning posts 7 which are respectively arranged around the edge of the lower template 3 so that the force can be evenly applied around when the mold is closed. Specifically, the cross-section of the positioning posts 7 is a trapezoidal structure that is wide at the top and narrow at the bottom. Through this structure, the shapes of the second through groove 8 and the positioning groove 9 match the shape of the positioning posts 7. The trapezoidal structure can also facilitate demoulding.

[0028] In order to ensure that the upper template 1, the middle template 2 and the lower template 3 can be installed and matched in place when the mold is closed, a first limiting protrusion 13 is provided on the lower surface of the upper template 1 around the molding boss 4, wherein the outer wall of the first limiting protrusion 13 is in contact with the inner wall of the first through groove 5, and the bottom surface of the first limiting protrusion 13 is flush with the bottom surface of the first through groove 5; at the same time, a limiting groove 14 is provided in the end surface depression where the middle template 2 and the lower template 3 are in contact, and a second limiting protrusion 15 is provided on the upper surface of the lower template 3, and the outer wall of the second limiting protrusion 15 is in contact with the inner wall of the limiting groove 14. After the mold is closed, the first limiting protrusion 13 cooperates with the first through groove 5, and the second limiting protrusion 15 cooperates with the limiting groove 14; further, a glue overflow groove 16 is provided on the lower surface of the middle template 2 around the outer side of the limiting groove 14; the glue overflow groove 16 is convenient for excess resin to overflow during molding, and the product quality can be judged according to the resin overflow situation.

[0029] The above are only preferred embodiments of the present invention, and do not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A rapid prototyping pressurized die, characterized in that: The mold comprises an upper mold plate, a middle mold plate, a lower mold plate and an ejector assembly which are arranged in sequence from top to bottom, wherein the lower surface of the upper mold plate is outwardly protruding and provided with a forming boss, the middle mold plate is provided with a first through groove at a position corresponding to the forming boss, the upper surface of the lower mold plate is inwardly concave and provided with a sink groove, and the forming surface of the forming boss passes through the first through groove and is placed in the sink groove; The upper template is provided with a positioning column, the middle template is provided with a second through slot, and the portion of the positioning column that passes through the second through slot is fixedly connected to the positioning slot provided in the lower template, so that the upper template, the middle template, and the lower template are molded together; the ejection assembly is movably provided on the lower template, and the middle template, the lower template, and the product are lifted and separated by the ejection assembly; The lower surface of the lower template is connected to the sink and is provided with a detection hole.

2. The rapid prototyping pressurized mold according to claim 1, characterized in that: The ejection assembly includes an ejector rod, and a slot is provided on the lower surface of the lower template which is connected to the sink. The ejector rod is movably arranged in the slot, and as the ejector rod is inserted, its end extends into the sink.

3. The rapid prototyping pressurized mold according to claim 1, characterized in that: The positioning columns are provided in four groups and are respectively arranged around the edge of the lower template.

4. The rapid prototyping pressurized mold according to claim 3, characterized in that: The cross section of the positioning column is a trapezoidal structure that is wide at the top and narrow at the bottom.

5. The rapid prototyping pressurized mold according to claim 1, characterized in that: A first limiting protrusion is disposed on the lower surface of the upper template around the forming boss, and an outer wall of the first limiting protrusion is in contact with an inner wall of the first through groove.

6. The rapid prototyping pressurized mold according to claim 5, characterized in that: The bottom surface of the first limiting protrusion is flush with the bottom surface of the first through groove.

7. The rapid prototyping pressurized mold according to claim 1, characterized in that: The end surface depression where the middle template and the lower template are in contact is provided with a limiting groove, and the upper surface of the lower template is provided with a second limiting protrusion, and the outer wall of the second limiting protrusion is in contact with the inner wall of the limiting groove.

8. The rapid prototyping pressurized mold according to claim 7, characterized in that: The lower surface of the middle template is provided with a glue overflow groove around the outer side of the limiting groove.

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