A mold structure with fewer product parting lines

Abstract

The utility model relates to mould technical field discloses a kind of mould structure of product parting line few, including front mould, back mould, the inside four corners of front mould are uniformly fixed with fixed block;And the both ends of fixed block are inclinedly provided with slide rail;And the adjacent fixed block between are uniformly provided with the forming slider of being slidably matched with slide rail;And product forming position for forming product is formed between several forming sliders;And the lower portion of back mould is provided with ejector pin module, and several forming sliders are driven to separate or converge;By setting fixed block in the inside four corners of front mould, and forming inclined slide rail at the both ends of fixed block, make forming slider can slide along slide rail, realize the accurate opening and closing between slider, combination forms product forming position, to reduce the parting line of product;Meanwhile, the ejector pin module of the lower portion of back mould can synchronously drive multiple forming sliders to separate or converge, realize the automatic control of demoulding and mould closing action, effectively improve product appearance integrity and mould production efficiency.

Description

Technical Field

[0001] This utility model relates to the field of mold technology, and specifically to a mold structure with fewer parting lines. Background Technology

[0002] A mold is a specialized piece of equipment used to shape materials. By applying pressure, temperature, or other conditions within a cavity of a specific shape, it molds the raw material into the desired shape and size of a part. Molds are widely used in injection molding, stamping, die casting, forging, extrusion, and other processing fields. The following problems exist in the current market: Products with rounded corners tend to generate more parting lines during demolding; therefore, it is necessary to continue designing a mold structure that facilitates demolding to reduce parting lines. The technical problem to be solved by this utility model is to provide a mold structure with fewer parting lines for products. Utility Model Content

[0003] The technical problem this utility model addresses is to provide a mold structure with fewer parting lines. By setting fixed blocks at the four corners inside the front mold and forming inclined slide rails at both ends of the fixed blocks, the forming sliders can slide along the slide rails, achieving precise opening and closing between the sliders and combining to form the product forming position, thereby reducing the parting lines of the product. At the same time, the ejector pin module set under the rear mold can synchronously drive multiple forming sliders to separate or close, realizing automated control of demolding and mold closing actions, effectively improving the integrity of the product appearance and the efficiency of mold production.

[0004] A mold structure with few parting lines includes a front mold and a rear mold; fixed blocks are fixed at the four corners of the front mold; and sliding grooves are inclined at both ends of the fixed blocks; and forming sliders that slide with the sliding grooves are provided between adjacent fixed blocks; and a product forming position for forming the product is formed between several forming sliders; and an ejector pin assembly is provided below the rear mold to drive several forming sliders to separate or merge.

[0005] Preferably, the front mold is further provided with several inclined limiting posts; and the top of the forming slider is formed with limiting holes corresponding to the limiting posts; the sliding stroke of the forming slider is limited by the limiting posts; and the outer wall of the limiting posts is also fitted with a buffer spring.

[0006] Preferably, the bottom of the rear mold is provided with two guard plates spaced apart; and the bottom of the rear mold is provided with a base plate fixedly connected to the guard plates; and the ejector pin assembly is located between the base plate and the rear mold.

[0007] Preferably, the ejector module includes an ejector plate disposed below the rear mold; and the ejector plate is provided with a first ejector rod; and a second ejector rod is connected to the first ejector rod; and a connecting block is provided on one side of the second ejector rod; and the connecting block is fixedly connected to the molding slider.

[0008] Preferably, a drive cylinder is provided on both sides of the ejector plate; and an extension block is provided on both sides of the base plate; and the piston rod of the drive cylinder is fixedly connected to the extension block; the extension and retraction of the piston rod of the drive cylinder causes the ejector plate to move up and down reciprocally.

[0009] Preferably, several anti-wear plates are provided on both sides of the fixing block.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: The mold structure of this utility model with fewer parting lines is achieved by setting fixed blocks at the four corners inside the front mold and forming inclined slide rails at both ends of the fixed blocks, so that the forming sliders can slide along the slide rails, realizing precise opening and closing between the sliders and combining to form the product forming position, thereby reducing the parting lines of the product; at the same time, the ejector pin module set under the rear mold can synchronously drive multiple forming sliders to separate or close, realizing automated control of demolding and mold closing actions, effectively improving the integrity of the product appearance and the efficiency of mold production.

[0011] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0014] Figure 2 This is a schematic diagram of the molding slider structure of this utility model.

[0015] Figure 3 This is a utility model Figure 1 A schematic diagram of its decomposed structure.

[0016] Figure 4 This is a utility model Figure 3 Another structural diagram from another angle.

[0017] Figure 5 This is a schematic diagram of the fixing block structure of this utility model.

[0018] Figure 6 This is a schematic diagram of the first and second push rods of this utility model.

[0019] In the diagram: 1. Front mold; 2. Rear mold; 3. Fixing block; 4. Slide rail; 5. Molding slider; 6. Product molding position; 7. Limiting post; 8. Limiting hole; 9. Buffer spring; 10. Guard plate; 11. Base plate; 13. Ejector plate; 14. First ejector rod; 15. Second ejector rod; 16. Connecting block; 17. Drive cylinder; 18. Extension block; 19. Anti-wear plate. Detailed Implementation

[0020] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] It should be noted that the terms "first," "second," etc., used in this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this disclosure described herein can be implemented in orders other than those illustrated or described herein. The implementation methods described in the following exemplary embodiments do not represent all implementation methods consistent with this disclosure.

[0022] Please see Figures 1-6 In this embodiment of the utility model, a mold structure with few parting lines for a product includes a front mold 1 and a rear mold 2. The front mold 1 has fixed blocks 3 at each of its four internal corners. The two ends of the fixed blocks 3 are inclined and have sliding grooves 4. The adjacent fixed blocks 3 are provided with forming sliders 5 that slide in cooperation with the sliding grooves 4. The forming sliders 5 form a product forming position 6 for forming the product. The rear mold 2 has an ejector pin module below it that drives the forming sliders 5 to separate or come together.

[0023] Specifically, by setting fixed blocks 3 at the four corners inside the front mold 1 and forming inclined grooves 4 at both ends of the fixed blocks 3, the molding sliders 5 can slide along the grooves 4 to achieve precise opening and closing between the sliders and combine to form the product molding position 6, thereby reducing the parting line of the product; at the same time, the ejector pin module set below the rear mold 2 can synchronously drive multiple molding sliders 5 to separate or close, realize the automated control of demolding and mold closing actions, and effectively improve the integrity of the product appearance and the efficiency of mold production.

[0024] Furthermore, the front mold 1 is provided with several inclined limiting posts 7 inside; and the top of the molding slider 5 is formed with limiting holes 8 corresponding to the limiting posts 7; the sliding stroke of the molding slider 5 is limited by the limiting posts 7; and the outer wall of the limiting posts 7 is also fitted with a buffer spring 9.

[0025] Specifically, by setting an inclined limiting post 7 inside the front mold 1 and setting a matching limiting hole 8 on the top of the forming slider 5, the limiting post 7 can limit the sliding stroke of the forming slider 5, avoiding excessive movement of the slider that may cause interference or affect the molding accuracy; at the same time, a buffer spring 9 is sleeved on the outer wall of the limiting post 7, which can provide buffering and rebound when the slider slides to the end of the stroke, improving the stability and service life of the sliding mechanism and reducing impact wear.

[0026] Furthermore, the bottom of the rear mold 2 is provided with two guard plates 10 spaced apart; and the bottom of the rear mold 2 is provided with a base plate 11 fixedly connected to the guard plates 10; and the ejector pin assembly is located between the base plate 11 and the rear mold 2.

[0027] Specifically, by setting two guard plates 10 at intervals at the bottom of the rear mold 2, and fixing a base plate 11 below the guard plates 10, a stable installation space is formed between the rear mold 2 and the base plate 11, so that the ejector pin assembly can be reasonably arranged in this space without affecting the strength and layout of the main structure of the mold. The guard plates 10 play a role in lateral protection and positioning of the ejector pin assembly, avoiding damage to the ejector pin assembly or unstable operation caused by external forces or displacement, thereby improving the reliability of the demolding mechanism and the overall durability of the mold.

[0028] Furthermore, the ejector module includes an ejector plate 13 located below the rear mold 2; a first ejector rod 14 is provided on the ejector plate 13; a second ejector rod 15 is connected to the first ejector rod 14; a connecting block 16 is provided on one side of the second ejector rod 15; and the connecting block 16 is fixedly connected to the molding slider 5.

[0029] Specifically, by setting up an ejection transmission mechanism consisting of a first ejector rod 14 and a second ejector rod 15, and by setting a connecting block 16 on the side of the second ejector rod 15 and fixing it to the forming slider 5, the ejector plate 13 can drive the forming slider 5 to open and close synchronously through the ejector rod and the connecting block 16 when it rises, so as to achieve precise control of slider separation or merging. This linkage transmission method is not only compact in structure and clear in force transmission path, but also ensures the consistency and stability of slider movement, which is conducive to improving demolding efficiency and mold operation reliability.

[0030] Furthermore, both sides of the ejector plate 13 are provided with drive cylinders 17; and both sides of the base plate 11 are provided with extension blocks 18; and the piston rods of the drive cylinders 17 are fixedly connected to the extension blocks 18; the extension and retraction of the piston rods of the drive cylinders 17 cause the ejector plate 13 to move up and down reciprocally.

[0031] Specifically, drive cylinders 17 are provided on both sides of the ejector plate 13, and the piston rods of the cylinders are fixedly connected to the extension block 18 of the base plate 11 to achieve stable guidance and power transmission of the ejector plate 13. This allows the ejector plate 13 to reciprocate up and down under the drive of the cylinders, thereby driving the ejector mechanism and the molding slider 5 to perform ejection and opening operations. This dual-side drive method ensures balanced force, avoids the ejector plate 13 from shifting or jamming, ensures smooth and reliable operation, and improves the stability and efficiency of the demolding process.

[0032] Furthermore, several anti-wear plates 19 are provided on both sides of the fixing block 3.

[0033] Specifically, anti-wear plates 19 are added to both sides of the fixed block 3, which can play a role in isolation and buffering when the forming slider 5 slides along the slide groove 4, reducing the direct friction between the slider and the fixed block 3, effectively reducing the risk of wear and scratches, thereby extending the service life of the sliding fit structure, and maintaining the smoothness of slider movement and positioning accuracy.

[0034] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. A mold structure with few parting lines, comprising a front mold (1) and a rear mold (2), characterized in that, The front mold (1) has fixed blocks (3) at all four corners; and the two ends of the fixed blocks (3) are inclined with sliding grooves (4); and the adjacent fixed blocks (3) are provided with molding sliders (5) that slide in cooperation with the sliding grooves (4); and the product molding position (6) for molding products is formed between several molding sliders (5); and the rear mold (2) has an ejector module below it that drives several molding sliders (5) to separate or come together.

2. The mold structure with fewer parting lines as described in claim 1, characterized in that, The front mold (1) is also provided with several inclined limiting posts (7); and the top of the molding slider (5) is formed with limiting holes (8) corresponding to the limiting posts (7); the sliding stroke of the molding slider (5) is limited by the limiting posts (7); and the outer wall of the limiting posts (7) is also fitted with a buffer spring (9).

3. The mold structure with fewer parting lines as described in claim 1, characterized in that, The bottom of the rear mold (2) is provided with two guard plates (10) spaced apart; and the bottom of the rear mold (2) is provided with a base plate (11) fixedly connected to the guard plates (10); and the ejector pin assembly is located between the base plate (11) and the rear mold (2).

4. The mold structure with fewer parting lines as described in claim 3, characterized in that, The ejector module includes an ejector plate (13) located below the rear mold (2); and a first ejector rod (14) is provided on the ejector plate (13); and a second ejector rod (15) is connected to the first ejector rod (14); and a connecting block (16) is provided on one side of the second ejector rod (15); and the connecting block (16) is fixedly connected to the molding slider (5).

5. A mold structure with fewer parting lines as described in claim 4, characterized in that, Both sides of the ejector plate (13) are provided with drive cylinders (17); both sides of the base plate (11) are provided with extension blocks (18); and the piston rods of the drive cylinders (17) are fixedly connected to the extension blocks (18); the ejector plate (13) moves up and down reciprocally by extending and retracting the piston rods of the drive cylinders (17).

6. The mold structure with fewer parting lines according to claim 1, characterized in that, Several anti-wear plates (19) are provided on both sides of the fixing block (3).

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