Mold structure for embedding resin into large-radian upside-down steel column structure

By using elastic steel columns and a support mechanism in the mold, the problem of smooth demolding of resin products with large curvature was solved, achieving an efficient demolding process and product protection.

CN223630832UActive Publication Date: 2025-12-05DONGGUAN YUCHENG IND CO LTD
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Patent Information

Application Number
CN202422903101.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2025-12-05
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

Large-radius resin products cannot be successfully demolded during the demolding process, resulting in product quality damage or scrap, and affecting subsequent casting.

Method used

The system employs elastically deformable steel columns and a support mechanism. The steel columns reduce the contact area with the resin product, and the support mechanism expands the steel columns while ejecting the product, thus assisting in demolding.

Benefits of technology

To ensure smooth demolding of large-radius resin products, prevent steel column bars from scraping the mold, improve demolding efficiency, and protect product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of molds, and discloses a mold structure for embedding resin into a large-radian inverted steel column structure, which comprises an upper inner mold, a lower inner mold and an opening mechanism, the upper inner mold is abutted against the top of the lower inner mold, and a forming mold cavity for forming injection molding raw materials is enclosed between the upper inner mold and the lower inner mold. A large-radian inverted steel column strip with elastic deformation is embedded in the bottom of the forming die cavity, the two ends of the steel column strip separately extend outwards away from the forming die cavity and are bent to form swing strips, the two swing strips are separately inserted into two opening mechanisms, and the two opening mechanisms are separately mounted in the bottom of the lower inner die; the contact area with a large-radian resin product can be reduced through the steel column strip, product demolding is assisted through the elastic deformation function of the steel column strip, the two opening mechanisms can make contact with the swing strip, the steel column strip is gradually opened along with ejection, it is ensured that the product is smoothly demolded, and the steel column strip is prevented from scraping a mold.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of mould, specifically, relate to resin embeds mould structure of big camber reverse buckle steel column structure. BACKGROUND

[0002] Resin product's injection moulding needs to make mould to be able to injection moulding, when the structure camber of resin product forming is bigger, if the inside reverse buckle of resin product middle part is made, the traditional method is to adopt stripping plate to push the periphery of resin product and out demoulding, and the inside of resin product under the middle top rod pushes the inside reverse buckle and forcibly out demoulding, and because the structure camber of resin product is bigger, the inside reverse buckle needs to have deformation ability to come out, if the inside reverse buckle does not produce deformation and forcibly out demoulding, then it will break the inside reverse buckle, which not only affects the quality of product, but also leads to product scrapping, and also affects next pouring. CONTENT

[0003] The utility model discloses a resin embeds mould structure of big camber reverse buckle steel column structure, which aims to solve the problem that the resin product with big camber cannot be smoothly demoulded in the prior art.

[0004] The utility model discloses a resin embeds mould structure of big camber reverse buckle steel column structure, which aims to solve the problem that the resin product with big camber cannot be smoothly demoulded in the prior art.

[0005] Further, the two swing bars are oppositely and obliquely arranged downward between the two swing bars.

[0006] Further, the two swing bars are oppositely and obliquely arranged downward between the two swing bars.

[0007] Further, the two swing bars are oppositely and obliquely arranged downward between the two swing bars.

[0008] The swing blocks in the two support opening mechanisms are respectively abutted on the top of the power shaft.

[0009] Further, one end of the limiting screw transversely penetrates one side of the fixing seat and passes through the spring, and is in threaded connection with the opening block, and the other end of the limiting screw is exposed outside the other side of the fixing seat.

[0010] Further, one end of the limiting screw transversely penetrates one side of the fixing seat and passes through the spring, and is in threaded connection with the opening block, and the other end of the limiting screw is exposed outside the other side of the fixing seat.

[0011] Further, the fixing seat is recessed inward to form a positioning groove arranged obliquely, and the deviated strip is obliquely inserted into the positioning groove.

[0012] Further, the lower inner mold is provided with a positioning lock block, the positioning lock block is provided with a positioning sliding groove arranged in a hollow manner, and the upper portion of the swing strip is located in the positioning sliding groove.

[0013] Further, the positioning mold base is provided, the positioning mold base is provided with a mounting groove arranged in a hollow manner, the bottom of the lower inner mold is embedded on the bottom of the mounting groove, the upper inner mold is located in the mounting groove, the inner side wall of the mounting groove is recessed inward to form a wire slot, and the upper portion of the swing strip abuts on the inner side wall of the wire slot.

[0014] Further, the bottom of the forming mold cavity is provided with a plurality of positioning clamping blocks, the plurality of positioning clamping blocks are sequentially and spacedly arranged along the length direction of the steel column strip, and the plurality of positioning clamping blocks are respectively clamped on the steel column strip.

[0015] Compared with the prior art, the mold structure of the resin embedded large-radian reverse-docking steel column structure provided by the utility model can reduce the contact area of the steel column strip with the large-radian resin product, and utilize the elastic deformation function of the steel column strip to assist product demolding, and utilize two opening mechanisms to gradually open the steel column strip while ejecting, specifically, when the product is formed in the mold, the two opening mechanisms start to work, at this time, the two opening mechanisms will contact the swing strip and gradually open the steel column strip along with the ejecting, so as to ensure that the product is smoothly demolded and the steel column strip is prevented from scratching the mold, and the problem that the large-radian resin product cannot be smoothly demolded in the demolding process is solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is the perspective view of the mold structure of the resin embedded large-radian reverse-docking steel column structure provided by the utility model;

[0017] Figure 2 is the perspective view of the mold structure of the resin embedded large-radian reverse-docking steel column structure provided by the utility model;

[0018] Figure 3It is the sectional structure schematic view of the mold structure of the resin embedded large-radian reverse buckle steel column structure provided by the utility model.

[0019] Figure 4 It is the three-dimensional exploded schematic view of the strutting mechanism.

[0020] In the drawing: upper inner mold 10, lower inner mold 20, positioning mold base 30, strutting mechanism 40, forming mold cavity 50, steel column strip 60, power shaft 70, positioning lock block 21, positioning sliding groove 22, mounting groove 31, wire slot 32, fixed base 41, strutting block 42, limiting screw 43, spring 44, positioning groove 45, positioning clamping block 51, swing strip 61, deviated strip 62. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the utility model more clear and intelligible, the following will be further described in detail in combination 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.

[0022] The implementation of the utility model will be described in detail in combination with specific examples.

[0023] The same or similar reference numerals in the drawings of the embodiments correspond to the same or similar parts; in the description of the utility model, it should be understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" and the like is based on the orientation or position relationship shown in the drawings, it is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the position relationship in the drawings are only used for example, and cannot be understood as a limitation on the utility model, for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0024] Referring to Figures 1-4 The preferred embodiment provided by the utility model.

[0025] The mold structure of the resin embedded large-radian reverse buckle steel column structure comprises an upper inner mold 10, a lower inner mold 20 and a strutting mechanism 40, the upper inner mold 10 is abutted on the top of the lower inner mold 20, a forming mold cavity 50 for forming an injection molding material is formed between the upper inner mold 10 and the lower inner mold 20, a large-radian reverse buckle steel column strip 60 with elastic deformation is embedded on the bottom of the forming mold cavity 50, swing strips 61 are formed by bending the two ends of the steel column strip 60 extending outward away from the forming mold cavity 50, the two swing strips 61 are respectively inserted into the two strutting mechanisms 40, and the two strutting mechanisms 40 are respectively installed in the bottom of the lower inner mold 20.

[0026] The mold structure provided above embeds the resin into the large-arc reverse-drawing steel column structure, the contact area of the steel column strip 60 with the resin product with large arc can be reduced, and the elastic deformation function of the steel column strip 60 is used to assist the product demolding, and the two opening mechanisms 40 can open the steel column strip 60 while ejecting during the ejection process. Specifically, when the product is formed in the mold, the two opening mechanisms 40 start to work, at this time, the two opening mechanisms 40 will contact the swing strip 61, and gradually open the steel column strip 60 with the ejection, ensure the smooth demolding of the product, and avoid the steel column strip 60 scratching the mold, solve the problem that the resin product with large arc cannot be smoothly demolded during the demolding process.

[0027] In the embodiment, the two swing strips 61 are oppositely and downwardly inclinedly arranged away from the steel column strip 60. In this way, the steel column strip 60 can be controlled to be opened and ejected by the two swing strips 61, the efficiency of demolding is improved, and the product is protected.

[0028] In the embodiment, the two opening mechanisms 40 are arranged side by side and oppositely, and a power shaft 70 moving up and down is arranged between the two opening mechanisms 40, the power shaft 70 is used to drive the two opening mechanisms 40 to drive the two swing strips 61 to move upward.

[0029] The power shaft 70 is driven by the ejection device of the injection molding machine to move upward, so that the power shaft 70 drives the two opening mechanisms 40 to drive the two swing strips 61 to open outward and move upward, and then the steel column strip 60 is controlled to open outward and move upward by the two swing strips 61 to demold the resin product with large arc.

[0030] In the embodiment, the opening mechanism 40 includes a fixed seat 41, an opening block 42, and a limiting screw 43, a spring 44 arranged transversely is connected between the fixed seat 41 and the opening block 42, the limiting screw 43 penetrates the fixed seat 41 and is connected with the opening block 42, and the lower part of the swing strip 61 is inserted in the opening block 42.

[0031] The opening blocks 42 in the two opening mechanisms 40 are respectively abutted on the top of the power shaft 70 on both sides.

[0032] The opening mechanism 40 is fixed in the lower inner mold 20 by the fixed seat 41, so that the opening block 42 is slidingly matched with the fixed seat 41 through the limiting screw 43, the fixed seat 41 and the limiting screw 43 provide directional sliding for the opening block 42, so that the opening block 42 can drive the swing strip 61 to open outward, and the spring 44 can reset the opening block 42.

[0033] In this embodiment, one end of the limiting screw 43 transversely penetrates one side of the fixed seat 41 and passes through the spring 44, and is threadedly connected with the prop block 42. The other end of the limiting screw 43 is exposed outside the other side of the fixed seat 41. In this way, the spring 44 can not be separated and can not be deformed at will during the working process.

[0034] In this embodiment, one end of the swing bar 61 is connected with the steel column bar 60, and the other end of the swing bar 61 is bent downward to form a deviated bar 62. The two deviated bars 62 of the two swing bars 61 are oppositely and downwardly arranged. In this way, the swing bar 61 can be moved upward to a certain position by means of the structural arrangement of the deviated bar 62, so that the prop block 42 can continue to drive the deviated bar 62 to expand outward, thereby enabling the deviated bar 62 to continue to move upward and expand outward, and preventing the deviated bar 62 from scratching the mold.

[0035] In this embodiment, the fixed seat 41 is inwardly recessed to form an inclined positioning groove 45, and the deviated bar 62 is inclinedly inserted into the positioning groove 45. In this way, the deviated bar 62 can be better hidden in the positioning groove 45, preventing the deviated bar 62 from scratching the mold.

[0036] In this embodiment, the lower inner mold 20 is provided with a positioning lock block 21, the positioning lock block 21 has a hollow arranged positioning sliding groove 22, and the upper part of the swing bar 61 is located in the positioning sliding groove 22. In this way, the positioning sliding groove 22 in the positioning lock block 21 can guide the swing bar 61, so that the steel column bar 60 dragged by the large-arc resin product during demolding has enough deformation space to complete the entire undercut demolding process.

[0037] In this embodiment, the positioning mold base 30 is also included, the positioning mold base 30 is provided with a hollow arranged mounting groove 31, the bottom of the lower inner mold 20 is inserted into the bottom of the mounting groove 31, the upper inner mold 10 is located in the mounting groove 31, and the inner side wall of the mounting groove 31 is inwardly recessed to form a wire groove 32, and the upper part of the swing bar 61 abuts on the inner side wall of the wire groove 32.

[0038] The positioning mold base 30 can be used for positioning and installing the upper inner mold 10 and the lower inner mold 20 for injection molding. The mounting groove 31 can provide a deformation fulcrum for the steel column bar 60 through the wire groove 32.

[0039] The bottom of the power shaft 70 penetrates the positioning mold base 30 from top to bottom, so that the power shaft 70 can be conveniently driven by the ejection device of the injection molding machine, so that the power shaft 70 has the power to drive the two prop blocks 42 to move outward and drive the two swing bars 61 to open outward, and make the steel column bar 60 drive the product to move upward and demold.

[0040] In the embodiment, a plurality of positioning clamping blocks 51 are protruded on the bottom of the forming cavity 50, and the plurality of positioning clamping blocks 51 are arranged along the length direction of the steel column strip 60 in sequence and are clamped on the steel column strip 60 respectively.

[0041] The forming cavity 50 is clamped on the steel column strip 60 by the plurality of positioning clamping blocks 51, so that the steel column strip 60 can be positioned stably on the bottom of the forming cavity 50, and the deviation of the steel column strip 60 during product injection molding is avoided.

[0042] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement and improvement within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A mold structure for embedding resin into a large-arc inverted steel column structure, characterized in that, The device includes an upper inner mold, a lower inner mold, and a spreading mechanism. The upper inner mold abuts against the top of the lower inner mold. The upper and lower inner molds enclose a molding cavity for injection molding of raw materials. A large-arc, inverted steel column with elastic deformation is embedded in the bottom of the molding cavity. The two ends of the steel column extend outward from the molding cavity and bend to form swing bars. The two swing bars are respectively inserted into two spreading mechanisms. The two spreading mechanisms are respectively installed in the bottom of the lower inner mold.

2. The mold structure for embedding resin into a large-arc inverted steel column structure as described in claim 1, characterized in that, The two swing bars are arranged facing each other and inclined downwards, away from the steel column bars.

3. The mold structure for embedding resin into a large-arc inverted steel column structure as described in claim 1, characterized in that, The two opening mechanisms are arranged side by side with a gap between them, and a power shaft that moves up and down is provided between the two opening mechanisms. The power shaft is used to drive the two opening mechanisms to move the two swing bars upward.

4. The mold structure for embedding resin into a large-arc inverted steel column structure as described in claim 3, characterized in that, The spreading mechanism includes a fixed base, a spreading block, and a limiting screw. A horizontally arranged spring is connected between the fixed base and the spreading block. The limiting screw passes through the fixed base and is connected to the spreading block. The lower part of the swing bar is inserted into the spreading block. The two spreading blocks in the spreading mechanism respectively abut against the top two sides of the power shaft.

5. The mold structure for embedding resin into a large-arc inverted steel column structure as described in claim 4, characterized in that, One end of the limiting screw passes laterally through one side of the fixed base and through the spring, and is threadedly connected to the expansion block. The other end of the limiting screw is exposed on the other side of the fixed base.

6. The mold structure for embedding resin into a large-arc inverted steel column structure as described in claim 4, characterized in that, One end of the swing bar is connected to the steel column bar, and the other end of the swing bar bends downward to form a deflection bar. The two deflection bars of the two swing bars are arranged in a downward inclined manner.

7. The mold structure for embedding resin into a large-arc inverted steel column structure as described in claim 6, characterized in that, The fixed base has an inwardly recessed positioning groove, and the offset strip is inserted obliquely into the positioning groove.

8. The mold structure for embedding resin into a large-arc inverted steel column structure as described in any one of claims 1 to 7, characterized in that, The lower inner mold is provided with a positioning lock block, and the positioning lock block has a positioning groove with a hollow arrangement. The upper part of the swing bar is located in the positioning groove.

9. The mold structure for embedding a resin-embedded large-arc inverted steel column structure as described in any one of claims 1 to 7, characterized in that, It also includes a positioning mold base, in which a hollowed-out mounting groove is provided. The bottom of the lower inner mold is inserted into the bottom of the mounting groove, and the upper inner mold is located in the mounting groove. The inner sidewall of the mounting groove is concave inward to form a wire groove, and the upper part of the swing bar abuts against the inner sidewall of the wire groove.

10. The mold structure for embedding a resin-embedded large-arc inverted steel column structure as described in any one of claims 1 to 7, characterized in that, Multiple positioning clamps are provided on the bottom of the forming mold cavity. The multiple positioning clamps are arranged at intervals along the length of the steel column and are respectively clamped on the steel column.