Thin steel splicing assembly for molding injection molding cabinet opening mold

Abstract

The utility model provides a thin steel splicing assembly for molding an injection molding cabinet opening mold, and particularly relates to the technical field of injection molding molds. The splicing assembly is mounted at an inner ring mold core of a rear mold core and comprises a thin steel plate and a mold core insert, the rear side wall of the mold core insert and the front side wall of the thin steel plate are tightly attached and are spliced and fixed through bolts. The thin steel plate comprises a first butt joint part and a second butt joint part which are integrally formed; the first butt joint part is located on the rear side of the top of the second butt joint part. A plurality of grooves are formed in the upper portion of the rear side wall of the mold core insert at equal intervals in the length direction of the mold core insert. The plurality of grooves are spliced with the front side wall of the first butt joint part to form an exhaust channel; and a chamfer structure is arranged at the joint of the front sides of the first butt joint part and the second butt joint part. Compared with a traditional integral structure of thin steel and a mold core, the integral toughness and the bearing capacity of the thin steel plate structure can be enhanced, meanwhile, exhaust can be achieved, undesirable phenomena such as scorching, bubbling and crazing of a product are prevented, and the product quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, specifically to a thin steel inlay assembly for injection molded cabinet opening. Background Technology

[0002] Cabinet molds commonly feature a single, integral structure between the forming thin steel plate and the mold core. During normal injection molding production, problems frequently arise at this point, such as breakage of the thin steel plate and the mold core, and trapped air causing product scorching. Breakage of the forming thin steel plate often results in lengthy repair times, delayed order production, and high repair costs.

[0003] Therefore, this utility model provides a thin steel inlay assembly for injection molded cabinet opening. Utility Model Content

[0004] To overcome the shortcomings of the prior art, this utility model provides a thin steel inlay assembly for injection molding cabinet opening, the specific technical solution of which is as follows:

[0005] A thin steel inlay assembly for injection molding cabinet opening is used for installation at the inner ring of the rear mold core. It includes a thin steel plate and a mold core insert. The rear sidewall of the mold core insert is tightly fitted to the front sidewall of the thin steel plate and fixed by bolts. The thin steel plate includes an integrally formed first and second mating portions. The first mating portion is located at the top rear side of the second mating portion. A chamfered structure is provided at the front connection between the first and second mating portions. A plurality of grooves are evenly spaced along the length of the upper part of the rear sidewall of the mold core insert. These grooves, when joined with the front sidewall of the first mating portion, form an exhaust channel.

[0006] Preferably, the top of the mold core insert is provided with a plurality of injection grooves; each injection groove is connected to the material channel opening located on the rear side wall of the mold core insert at the corresponding position via an injection channel.

[0007] Preferably, the front side of the second docking part is provided with an inlet corresponding to the glue outlet of the material channel; the rear side wall of the second docking part is provided with an outlet corresponding to the position below the inlet; the inlet and outlet are connected; the glue injection groove is connected to the glue channel, the material channel inlet, the inlet and outlet through the glue channel.

[0008] Preferably, a sprue handle is vertically provided on the rear side wall of the second docking part corresponding to the position of the glue outlet, and the sprue handle extends upward to the top of the first docking part.

[0009] Preferably, the second mating part has at least two horizontally arranged bolt through holes along its length; the rear sidewall of the mold core insert is provided with mounting holes corresponding to the bolt through holes; the thin steel plate and the mold core insert are threadedly connected to the mounting holes after the bolts pass through the bolt through holes.

[0010] Preferably, the injection groove has several ejector pin through holes vertically formed in the direction corresponding to the position of the ejector pin of the mold.

[0011] Preferably, the top of the mold core insert has several vertically formed through holes for fixing bolts on the side away from the thin steel plate.

[0012] More preferably, the mold core insert is threadedly connected to the connecting hole on the rear mold core after passing through the fixing bolt through the bolt.

[0013] Furthermore, preferably, a plurality of cabinet opening positioning grooves are provided at equal intervals along the length direction at the top of the rear side wall of the first docking part.

[0014] More preferably, the thickness of the first docking portion gradually increases from top to bottom; and the thickness of the first docking portion is less than the thickness of the second docking portion.

[0015] The beneficial effects of this utility model are:

[0016] 1. This utility model separates the traditional one-piece structure into two parts: a thin steel plate and a mold core insert. Through a reasonable splicing design, the overall toughness and load-bearing capacity of the structure are enhanced, and the problem of easy breakage of the one-piece molded thin steel plate is solved.

[0017] 2. This utility model, by setting a groove on the mold core insert, forms an exhaust channel after splicing with the first docking part, which can effectively discharge gas and prevent the product from producing defects such as burning, bubbling, and silver streaks, thereby improving product quality. Attached Figure Description

[0018] The accompanying drawings constituting this utility model are provided to further understand this application and do not constitute an undue limitation on this application.

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the present invention;

[0021] Figure 3 This is a schematic diagram of the structure of a thin steel plate;

[0022] Figure 4 This is a rear view of a thin steel sheet.

[0023] Figure 5 This is a schematic diagram of the mold core insert structure;

[0024] Figure 6 This is a rear view of the mold core insert;

[0025] Figure 7This is a schematic diagram showing the installation position of this utility model on the rear template;

[0026] In the diagram, 1-thin steel plate; 101-first mating part; 1011-cabinet opening positioning rib groove; 102-second mating part; 1021-inlet; 1022-outlet; 1023-bolt through hole; 103-sprue material handle; 2-mold core insert; 201-injection groove; 2011-inlet channel; 2012-channel sprue; 2013-ejector through hole; 202-fixing bolt through hole; 203-groove; 204-mounting hole; 3-rear mold core. Detailed Implementation

[0027] The specific implementation of the thin steel inlay assembly for injection molding cabinet opening provided by this utility model will be further described in conjunction with the accompanying drawings and embodiments.

[0028] like Figure 7 As shown, a thin steel inlay assembly for injection molding cabinet opening is mainly used for installation at the inner ring mold core 3 of the rear mold core. Its specific dimensions are set according to actual requirements. This inlay assembly includes a thin steel plate 1 and a mold core insert 2; the rear sidewall of the mold core insert 2 is tightly fitted to the front sidewall of the thin steel plate 1 and fixed by bolts, as shown. Figure 1-2 As shown.

[0029] like Figure 3 As shown, the thin steel plate 1 includes an integrally formed first mating portion 101 and a second mating portion 102; wherein, the first mating portion 101 is located on the top rear side of the second mating portion 102; it is worth noting that the thickness of the first mating portion 101 gradually increases from top to bottom, and the thickness of the first mating portion 101 is less than the thickness of the second mating portion 102.

[0030] To improve the toughness of the thin steel plate 1, the front connection of the first docking part 101 and the second docking part 102 is provided with a chamfered structure. The upper part of the rear sidewall of the mold core insert 2 is provided with a plurality of grooves 203 at equal intervals along its length; the plurality of grooves 203 are spliced ​​with the front sidewall of the first docking part 101 to form an exhaust channel.

[0031] like Figure 5 As shown, the top of the mold core insert 2 is provided with a plurality of injection grooves 201; each injection groove 201 is connected to the material channel opening 2012 located on the rear side wall of the mold core insert 2 and corresponding to the position of the material channel 2011 through the material inlet channel 2011.

[0032] like Figure 3-4As shown, the front side of the second docking part 102 is provided with an inlet 1021 corresponding to the position of the glue inlet 2012 in the material channel; the rear side wall of the second docking part 102 is provided with an outlet 1022 corresponding to the position below the inlet 1021; the inlet 1021 and the outlet 1022 are connected; thereby realizing the glue injection tank 201 through the connection of the glue inlet channel 2011, the material channel glue inlet 2012, the inlet 1021 and the outlet 1022 to form a glue injection channel.

[0033] like Figure 4 As shown, a plurality of cabinet opening positioning grooves 1011 are provided at equal intervals along the length direction at the top of the rear side wall of the first docking part 101. A sprue 103 is vertically provided on the rear side wall of the second docking part 102 corresponding to the position of the glue outlet 1022, wherein the sprue 103 extends upward to the top of the first docking part 101, and plays a guiding role for the colloidal material.

[0034] Preferably, the second mating portion 102 has at least two horizontally arranged bolt through holes 1023 along its length; the rear sidewall of the mold core insert 2 is provided with mounting holes 204 corresponding to the positions of the bolt through holes 1023, such as... Figure 6 As shown; the thin steel plate 1 and the mold core insert 2 are connected to the mounting hole 204 by bolts passing through the bolt through hole 1023, thereby completing the splicing and fixing of the two.

[0035] To facilitate demolding after product molding, the injection groove 201 is provided with several ejector pin through holes 2013 vertically corresponding to the positions of the ejector pins of the mold.

[0036] More preferably, the top of the mold core insert 2 is provided with a plurality of fixing bolt through holes 202 on the side away from the thin steel plate 1. The mold core insert 2 is threadedly fixed to the connecting hole on the rear mold core 3 after the bolt passes through the fixing bolt through hole 202.

[0037] This utility model features a simple structure that is easy to install and disassemble. It separates the traditional one-piece structure into two parts: a thin steel plate and a mold core insert. Through a reasonable splicing design, the overall toughness and load-bearing capacity of the structure are enhanced, solving the problem of easy breakage of the one-piece molded thin steel plate. In addition, this utility model sets grooves on the mold core insert, which form an exhaust channel after splicing with the first docking part. This can effectively discharge gas and prevent the product from developing defects such as burning, blistering, and silver streaks, thereby improving product quality.

[0038] In this utility model, terms such as "upper," "lower," "bottom," and "top" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are merely used to facilitate the description of the structural relationships of the various components or elements of this utility model and do not specifically refer to any part or element of this utility model; they should not be construed as limiting this utility model. Terms such as "connected" and "linked" should be interpreted broadly, indicating a fixed connection, an integral connection, or a detachable connection; a direct connection or an indirect connection through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in this utility model can be determined according to the specific circumstances, and they should not be construed as limiting this utility model.

[0039] Of course, the above description is not intended to limit the present utility model, and the present utility model is not limited to the examples given above. Any changes, modifications, additions or substitutions made by those skilled in the art within the scope of the present utility model should also fall within the protection scope of the present utility model.

Claims

1. A thin steel insert assembly for injection molded cabinet door molding, for mounting at the inner circle mold core of a back mold core, characterized in that, The thin steel plate and the die insert block are tightly combined with the front side wall of the thin steel plate and fixed by bolt splicing; The thin steel plate comprises integrally formed first and second butt joints; the first butt joint is located at the top rear side of the second butt joint; and a chamfer structure is arranged at the front side connection of the first and second butt joints; A plurality of grooves are arranged at the upper part of the rear side wall of the die insert block along the length direction of the die insert block; the plurality of grooves and the front side wall of the first butt joint form an exhaust passage after splicing.

2. The injection molded cabinet door mold forming thin steel panel assembly of claim 1, wherein, A plurality of glue injection grooves are arranged at the top of the die insert block; each glue injection groove is communicated with a glue channel nozzle arranged at the corresponding position of the rear side wall of the die insert block through a glue injection channel.

3. The injection molded cabinet door mold forming thin steel panel assembly of claim 2, wherein, The front side of the second butt joint is provided with a glue inlet corresponding to the position of the glue channel nozzle; the rear side wall of the second butt joint is provided with a glue outlet corresponding to the position below the glue inlet; the glue inlet and the glue outlet are communicated; The glue injection grooves are communicated through the glue injection channel, the glue channel nozzle, the glue inlet and the glue outlet.

4. The injection molded cabinet door mold forming thin steel panel assembly of claim 3, wherein, A sprue handle is vertically arranged at the position of the glue outlet of the rear side wall of the second butt joint, and the sprue handle extends upward to the top end of the first butt joint.

5. The injection molded cabinet door mold forming thin steel panel assembly of claim 1, wherein, The second butt joint is provided with at least two horizontally arranged bolt through holes along the length direction of the second butt joint; The rear side wall of the die insert block is provided with a mounting hole corresponding to the position of the bolt through hole; The thin steel plate and the die insert block are threadedly connected through the bolt through hole and the mounting hole.

6. The injection molded cabinet door mold forming thin steel panel assembly of claim 2, wherein, A plurality of ejector rod through holes are vertically arranged in the glue injection groove corresponding to the position of the mold ejector rod.

7. The injection molded cabinet door mold forming thin steel panel assembly of claim 1, wherein, A plurality of fixing bolt through holes are vertically arranged at the side of the top of the die insert block away from the thin steel plate.

8. The injection molded cabinet door mold forming thin steel panel assembly of claim 7, wherein, The die insert block is threadedly connected with the connecting hole on the rear mold core through the fixing bolt through hole.

9. The injection molded cabinet door mold forming thin steel panel assembly of claim 1, wherein, A plurality of cabinet opening positioning rib grooves are arranged at the top of the rear side wall of the first butt joint along the length direction of the first butt joint.

10. The injection molded cabinet door mold forming thin steel panel assembly of claim 1, wherein, The first butt joint gradually expands in thickness from top to bottom; and the thickness of the first butt joint is smaller than the thickness of the second butt joint.

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