Double-color ruler forming die

Abstract

The utility model discloses a double-color ruler forming die which comprises a first plate, a second plate, a third plate, a fourth plate, a fifth plate and a sixth plate arranged below the fifth plate, the first plate, the second plate, the third plate, the fourth plate and the fifth plate are sequentially overlapped, a ruler forming die cavity is formed between the third plate and the fourth plate, the fourth plate is provided with a die cavity, and the sixth plate is arranged below the fifth plate. A lace, a convex part and a groove are arranged in the mold groove, the mold groove is communicated with the material channel, the lace, the convex part and the groove are respectively used for enabling the edge of the formed ruler to form a wave shape, and the formed ruler is provided with a through structure and a convex pattern. The utility model has a simple structure and is easy to assemble.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold field especially relates to a bicolour ruler forming die. BACKGROUND

[0002] Traditional injection mold, especially when making rulers with complex patterns or bicolour effect, often has problems such as complex structure, difficult assembly and processing. These molds are usually composed of multiple parts, which not only increases the manufacturing cost, but also reduces the production efficiency. Due to the complexity of the mold structure, uneven material distribution, pattern distortion and difficult demolding may occur during injection molding, which seriously affects the appearance quality and production cycle of the product.

[0003] In particular, in the production of bicolour rulers, two different colored plastics need to be injected simultaneously or sequentially in the mold to form an attractive bicolour effect. However, existing mold designs often fail to accurately control the fusion interface of the two materials, resulting in uneven color mixing or obvious joint problems in the finished product. In addition, traditional mold designs do not effectively consider the formation of wavy edges, through structures and raised patterns on the ruler, which limits the design diversity and functionality of the ruler.

[0004] Therefore, there is an urgent need in the market for an improved bicolour ruler forming die that not only simplifies the mold structure and reduces manufacturing costs, but also ensures high-quality presentation of the bicolour effect, while enhancing the appearance appeal and functional characteristics of the product. An ideal mold design should have high precision, ease of operation and good material flow performance to meet the needs of modern industrial production for efficient, high-quality and diversified products. SUMMARY

[0005] The utility model discloses a bicolour ruler forming die.

[0006] To achieve the above purpose, the utility model adopts the technical scheme of a bicolour ruler forming die, which includes first, second, third, fourth and fifth plate members that are sequentially superimposed, and a sixth plate member arranged below the fifth plate member. The third plate member and the fourth plate member form a ruler forming die cavity therebetween. The fourth plate member is provided with a mold groove, and the mold groove is provided with a lace, a convex part and a groove. The mold groove is in communication with a material channel. The lace, the convex part and the groove are respectively used to form a wavy edge on the formed ruler, and the formed ruler has a through structure and a raised pattern.

[0007] Compared with the prior art, the utility model discloses the advantages lies in: greatly simplify the structure of mould, reduced manufacturing cost and maintenance difficulty, improved the processing efficiency of mould, shortened injection cycle, improved production efficiency, ensured the high quality forming of bicolour ruler, especially the accurate reproduction of edge undulating, through structure and convex pattern, improved the distribution uniformity and demoulding performance of material, reduced the reject rate, improved the product qualification rate, the utility model discloses mould design is flexible, is applicable to the bicolour ruler production of multiple specifications and design style, widens the market application range of product.

[0008] In some embodiments of the utility model, the connecting place of the mold groove and the material channel is provided with a sealing structure for preventing material overflow.

[0009] In some embodiments of the utility model, the shape and size of the lace are adjustable to adapt to the production requirements of different specifications of rulers.

[0010] In some embodiments of the utility model, the position and depth of the convex part and the groove are adjustable to change the pattern design of the ruler surface.

[0011] In some embodiments of the utility model, the first plate to the sixth plate are fixed through a precision positioning device to ensure the stability and precision of the mold.

[0012] In some embodiments of the utility model, the mold foot is arranged between the sixth plate and the fifth plate to support the entire mold structure and ensure the stability of the mold.

[0013] In some embodiments of the utility model, the guide hole of the fourth plate is used to guide the accurate position of the injection head to improve the injection efficiency and precision.

[0014] In some embodiments of the utility model, the mold further comprises a temperature control system for controlling the temperature of each part of the mold to optimize the material flowability and cooling speed during the injection molding process. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic diagram of the utility model;

[0016] Fig. 2 It is a structural schematic diagram of the fourth plate. DETAILED DESCRIPTION

[0017] In the following, the utility model is further described in combination with specific embodiments, and it should be noted that the following described embodiments or technical features can be combined to form new embodiments without conflict.

[0018] In the description of this utility model, it should be noted that the directional terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.

[0019] It should be noted that the terms "first" and "second" in the specification and claims of this utility model are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence.

[0020] The terms “comprising” and “having”, and any variations thereof, in the specification and claims of this utility model are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0021] like Figs. 1-2 As shown, this embodiment relates to a two-color ruler forming mold, including a first plate 1, a second plate 2, a third plate 3, a fourth plate 4, and a fifth plate 5 stacked in sequence, and a sixth plate 7 disposed below the fifth plate 5. The mold foot 6 is disposed between the sixth plate 7 and the fifth plate 5 to enhance the overall stability and strength of the mold.

[0022] Detailed description

[0023] Mold groove and guide hole: The mold groove 41 of the fourth plate 4 is designed to mold the main outline of the ruler. The interior of the mold groove features details such as lace 411, protrusions 412, and grooves 413. The lace 411 gives the edge of the molded ruler a wavy appearance, enhancing its aesthetics; the protrusions 412 and grooves 413 ensure that the ruler surface has specific patterns and textures, increasing the product's recognizability and functionality. The mold groove 41 is connected to external injection molding equipment through the material channel 43 to achieve a continuous supply of plastic raw materials.

[0024] Panel Assembly and Positioning: The assembly of panels 1 through 7 is ensured by a precision positioning device, guaranteeing a tight fit between each panel to prevent material leakage during injection molding and to maintain the stability and symmetry of the mold interior. This structure not only simplifies the overall mold design but also improves production efficiency and product quality.

[0025] Material flow and cooling system: The mold is designed with an optimized flow channel layout to ensure uniform distribution of the two different colored plastics within the mold cavity, forming the desired two-color effect. At the same time, the mold is equipped with an efficient cooling system to quickly cool the ruler after molding, reducing cooling time and improving production rhythm.

[0026] Manufacturing process

[0027] Mold assembly: First, install the mold foot 6 between the sixth plate 7 and the fifth plate 5, then stack the first plate 1 to the fifth plate 5 in order, and finally fix the entire mold assembly together through fasteners, ensuring accurate alignment between components.

[0028] Injection molding process: After the mold assembly is complete, it is installed on the injection molding machine, and two colors of plastic are injected into the mold groove 41 through the channel 43. During the injection molding process, the plastic forms the predetermined pattern and structure through the details such as the lace 411, the convex part 412 and the groove 413, and then the mold cooling system starts to make the plastic solidify and form.

[0029] Demolding and inspection: After the plastic is completely cooled and solidified, the mold is opened and the molded two-color ruler is taken out. Then the appearance and size are inspected to ensure that the product meets the design requirements.

[0030] The above describes the basic principles, main features and advantages of the present utility model. It should be understood by those skilled in the art that the present utility model is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present utility model. Without departing from the spirit and scope of the present utility model, various changes and improvements can be made to the present utility model, and these changes and improvements fall within the scope of the claimed present utility model. The scope of protection required by the present utility model is defined by the appended claims and their equivalents.

Claims

1. A bicolour scale forming die characterised in that: The utility model discloses a ruller moulding die, which comprises a first plate, a second plate, a third plate, a fourth plate, a fifth plate and a sixth plate arranged below the fifth plate, wherein the third plate and the fourth plate form a ruller forming cavity, the fourth plate is provided with a mould groove, the mould groove is provided with a lace, a convex part and a groove, the mould groove is connected with a material channel, and the lace, the convex part and the groove are used to form a wave shape, a through structure and a convex pattern on the ruller respectively.

2. The bicolour ruler forming die of claim 1, wherein: The connection between the mould groove and the material channel is provided with a sealing structure to prevent material overflow.

3. The bicolored scale forming die of claim 1, wherein, The shape and size of the lace can be adjusted to meet the production requirements of different specifications of rullers.

4. The bicolored scale forming die of claim 1, wherein, The position and depth of the convex part and the groove can be adjusted to change the pattern design on the surface of the ruller.

5. The bicolour ruler forming die of claim 1, wherein, The first plate to the sixth plate are fixed by a precision positioning device to ensure the stability and precision of the mould.

6. The bicolored scale forming die of claim 1, wherein, The guide hole of the fourth plate is used to guide the precise position of the injection head to improve the injection efficiency and precision.

7. The bicolour ruler forming die of claim 1, wherein The mould also comprises a temperature control system to control the temperature of each part of the mould to optimize the material flowability and cooling speed during the injection process.

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