Manufacturing device and manufacturing method of colored vulcanized rubber film

Abstract

The invention provides a manufacturing device and a manufacturing method of a colored vulcanized rubber film. The manufacturing device comprises a base; the forming mold is detachably mounted on the upper surface of the base and is provided with a forming cavity for accommodating latex; the multi-degree-of-freedom leveling assembly is arranged on the lower surface of the base; the horizontal monitor is linked with the leveling assembly; through dynamic cooperation of the multi-degree-of-freedom leveling assembly and the forming mold, the thickness standard deviation is compressed to be below 0.015 mm, the thickness uniformity of a vulcanized rubber film is guaranteed, the influence of thickness fluctuation and film forming agent adding on rubber film color judgment is avoided, color data collection under stretching is achieved, and complete test evaluation of rubber film performance is achieved.

Description

Technical Field

[0001] The present invention relates to the technical field of film color judgment, and in particular to a device and method for manufacturing a colored vulcanized film. Background Art

[0002] By adding different colored color pastes to the vulcanized latex system, different colors of vulcanized latex can be obtained. Different film-forming processes, such as dipping and coating, can produce different film products. The color of the product can be compared visually or by instrumental measurement.

[0003] In traditional vulcanized film manufacturing, balloons made by the dipping method typically compare color at their original size and after inflation. Handmade balloons, manufactured by dipping, simulate production line processes. Differences in dipping techniques can lead to poor thickness uniformity (with a standard deviation of up to 0.043mm). After solidification, the shaping agent (diatomaceous earth) adheres to the inner surface of the balloon, affecting color judgment.

[0004] Existing technologies, such as coating-based films, can use data to describe color differences. However, coating also affects film thickness, which in turn affects color judgment. Furthermore, the film is attached to white cardboard, making it difficult to remove. This makes it impossible to compare the color of the film after deformation, limiting the ability to fully test and evaluate film performance.

[0005] The current industry pain points are mainly reflected in three aspects: 1) The addition of film-forming agents will contaminate the film components and affect the accuracy of color testing; 2) The film is attached to the white cardboard and is difficult to remove, which prevents the sample from stretching freely and makes it difficult to study the relationship between deformation and color; 3) When the thickness standard deviation exceeds 0.04mm, it will significantly interfere with the colorimetric measurement results.

[0006] The existing vulcanizing machine clamping device uses mechanical clips to fix the mold to solve the above-mentioned industry pain points, but it lacks dynamic leveling function, making it difficult to ensure the horizontal accuracy of the molding cavity, which directly affects the uniformity of the film thickness.

[0007] The disclosure of the above background technology content is only used to assist in understanding the inventive concept and technical solution of the present invention. It does not necessarily belong to the prior art of this patent application, nor does it necessarily provide technical guidance; there is no clear evidence to show the novelty and creativity of the above application. Summary of the Invention

[0008] In order to solve the technical problems of poor thickness uniformity of traditional vulcanized rubber films, the influence of film-forming agent addition on color test accuracy, and the inability to quantify color changes under tension, which makes it impossible to fully evaluate the film performance, the present invention proposes a manufacturing device and a manufacturing method for colored vulcanized rubber films. Through the dynamic coordination of a multi-degree-of-freedom leveling component and a forming mold, the thickness standard deviation is compressed to below 0.015mm, ensuring the thickness uniformity of the vulcanized rubber film. This not only avoids thickness fluctuations and the influence of film-forming agent addition on film color judgment, but also realizes color data collection under tension, achieving a complete test and evaluation of film performance.

[0009] In order to achieve the above object, the technical solution of the present invention is as follows: In one aspect, the present invention provides a device for manufacturing a colored vulcanized rubber film, comprising: base; a forming mold detachably mounted on the upper surface of the base or placed on the base, and having a forming cavity for accommodating latex; A multi-degree-of-freedom leveling component provided on the lower surface of the base; Level monitor coupled to leveling assembly.

[0010] The present invention proposes a manufacturing device and a manufacturing method for a colored vulcanized rubber film. Through the dynamic coordination of a multi-degree-of-freedom leveling component and a forming mold, the thickness standard deviation is compressed to below 0.015 mm, and the CIE Lab color difference ΔE is reduced to less than 0.8, thereby ensuring the thickness uniformity of the vulcanized rubber film. This not only avoids the influence of thickness fluctuations and the addition of film-forming agents on the judgment of the film color, but also realizes the collection of color data under tension, achieving a complete test and evaluation of the film performance.

[0011] As a preferred technical solution, the multi-degree-of-freedom leveling assembly includes a plurality of independently adjustable support members, each of which is provided with a threaded adjustment portion.

[0012] As a preferred technical solution, the thread adjustment portion includes: a first nut and a second nut, and the first nut and the second nut are respectively engaged with two end portions of the support member.

[0013] As a preferred technical solution, the difference in the number of teeth between the first nut and the second nut is 1 tooth, and the lead is 0.5 to 10 mm.

[0014] As a preferred technical solution, the level monitor can be embedded in any reference plane of the base or the forming mold, or the level monitor can be placed on any reference plane of the base or the forming mold.

[0015] As a preferred technical solution, the depth of the forming cavity of the forming mold is 0.3 to 5 mm, and the side wall of the cavity and the bottom surface of the cavity form a transition angle of 85° to 95°.

[0016] As a preferred technical solution, the forming mold is a tempered glass forming mold, a ceramic forming mold or a surface-polished metal forming mold, and the surface roughness of the forming cavity of the forming mold Ra≤0.8μm.

[0017] On the other hand, the present invention also provides a method for manufacturing a colored vulcanized rubber film, which is manufactured using the manufacturing device for a colored vulcanized rubber film as described in any one of the above items, comprising the following steps: mixing a colorant and vulcanized latex in a predetermined ratio to obtain a colored latex mixture; Adjust the leveling assembly according to the level parameters indicated by the level monitor to make the molding cavity of the molding die reach a horizontal state; injecting the colored latex mixture into a forming mold having a forming cavity; The color latex mixture is leveled automatically in the molding cavity by adjusting the molding mold posture; Drying and curing at room temperature to obtain the primary cured adhesive; The primary cured film is vulcanized to obtain a colored vulcanized film.

[0018] As a preferred technical solution, the molding die posture adjustment includes: tilting the mold at a certain angle and resetting the mold until the color latex mixture is evenly spread in the molding cavity of the molding die.

[0019] As a preferred technical solution, the target vulcanization temperature is 105±2°C, and the vulcanization time is 25 to 35 minutes.

[0020] The present invention provides a device and method for manufacturing a colored vulcanized rubber film, which have the following beneficial effects: Through the dynamic coordination of the multi-degree-of-freedom leveling component and the forming mold, the thickness standard deviation is compressed to below 0.015mm, ensuring the thickness uniformity of the vulcanized film. This not only avoids the influence of thickness fluctuations and the addition of film-forming agents on the color judgment of the film, but also realizes the color data collection under tension, achieving a complete test and evaluation of the film performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A schematic front view of a device for manufacturing a colored vulcanized rubber film provided by the present invention; Figure 2 A schematic top view of a device for manufacturing a colored vulcanized rubber film provided by the present invention; Figure 3 This is a comparison of the appearance of the balloon produced by the dipping film forming process in Comparative Example 1; Figure 4 This is the effect diagram of the film sample on the colored cardboard in the coating film forming process of comparative example 2; Figure 5The present invention provides a method for manufacturing a colored vulcanized rubber film, and the appearance of the colored vulcanized rubber film in different states (left: original size, right: stretched state); Among them, 1-molding mold; 2-base; 3-leveling assembly; 4-molding cavity; 5-level monitor; 6-thread adjustment part; 7-first nut; 8-second nut; 9-first support member; 10-second support member; 11-third support member. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0023] like Figures 1-2 As shown, the present invention provides a device for manufacturing a colored vulcanized rubber film, comprising: Base 2; A forming mold 1 placed on a base, having a forming cavity 4 for containing latex; A multi-degree-of-freedom leveling assembly 3 provided on the lower surface of the base 2; A level monitor 5 is coupled to the leveling assembly 3 .

[0024] The present invention proposes a manufacturing device for colored vulcanized rubber film. Through the dynamic coordination of a multi-degree-of-freedom leveling component and a forming mold, the thickness standard deviation is compressed to below 0.015 mm, ensuring the thickness uniformity of the vulcanized rubber film. This not only avoids the influence of thickness fluctuations and the addition of film-forming agents on the color judgment of the film, but also realizes the color data collection under tension, achieving a complete test and evaluation of the film performance.

[0025] Preferably, the multi-degree-of-freedom leveling assembly 3 includes a plurality of independently adjustable supports, each of which is provided with a threaded adjustment portion 6; by rotating the threaded adjustment portion 6, the telescopic amount of the support can be incrementally adjusted, which not only allows multi-degree-of-freedom calibration of the horizontality, tilt angle, etc., but also utilizes the self-locking characteristics of the thread to prevent the position from loosening, thereby ensuring stable support of the workpiece or equipment.

[0026] Preferably, the level monitor 5 can be used to indicate the level of the molding cavity 4. The level of the molding cavity 4 can be calibrated by rotating the threaded adjustment part 6 to provide a relatively horizontal plane for the upper surface of the molding cavity 4. The color latex mixture can achieve the purpose of uniform paving by relying on its own fluidity to obtain a film with uniform film thickness.

[0027] Preferably, the support members include at least three, a first support member 9 provided in the middle area of ​​the base, and a second support member 10 and a third support member 11 distributed in the edge area of ​​the base; First support member 9 (middle area): serves as the main support point, provides initial stability and establishes a support reference, ensures uniform load distribution in the center area of ​​the base, and prevents local deformation; Second support member 10 and third support member 11 (edge ​​area): distributed on the outside, assist in adjusting the level and posture of base 2. Through independent adjustment, they achieve coordinated control of multiple degrees of freedom (such as X-axis translation and rotation), improve leveling efficiency and reduce internal stress accumulation; Overall, this layout optimizes the stiffness and dynamic performance of the support system, significantly improving processing accuracy and equipment life.

[0028] Preferably, the thread adjustment portion 6 includes a first nut 7 and a second nut 8 , and the first nut 7 and the second nut 8 are respectively engaged with two ends of the support member.

[0029] Preferably, the difference in the number of teeth between the first nut 7 and the second nut 8 is 1 tooth, and the lead is 0.5 to 10 mm; The lead is preferably 0.5 mm, 5 mm or 10 mm. Due to space limitations and for the sake of brevity, the present invention will no longer exhaustively list the specific point values ​​included in the range. The support member is preferably a screw rod; In this threaded adjustment section 6 structure, a first nut 7 and a second nut 8 engage at either end of the support member, with a tooth difference of one and a lead of 0.5 to 10 mm. This structure primarily enables high-precision adjustment of minute axial displacements and eliminates transmission backlash, improving positioning accuracy and system rigidity. This tooth difference design allows for subtle relative axial movement when the two nuts rotate in the same direction, resulting in submicron-level fine tuning (for example, with a 10 mm lead, the minimum adjustment can be as low as 0.002 mm), effectively compensating for backlash caused by wear or assembly errors. Furthermore, this structure enhances self-locking and anti-loosening properties, ensuring stable position under vibration or load fluctuations.

[0030] Preferably, the number of teeth of the first nut 7 is Z, and the number of teeth of the second nut 8 is Z±1; the axial displacement ΔS satisfies: ΔS=P×N×(1 / Z-1 / (Z±1)), where P is the thread lead and N is the number of rotating teeth; when the two nuts rotate N teeth in the same direction, the actual rotation speed difference of the two nuts is caused by the difference in the number of teeth (Z and Z±1). The lead P converts the small angle difference into an axial displacement difference, thereby realizing precise adjustment of the axial displacement at the submicron level (such as 0.0006mm for a single tooth displacement when Z=100 and P=6mm). The submicron axial displacement fine-tuning reduces the influence of thickness fluctuations on the judgment of the film color.

[0031] Preferably, the level monitor 5 can be embedded in any reference plane of the base 2 or the forming mold 1; through the embedded design, it directly contacts the reference plane and continuously measures the slight inclination angle of the base or mold relative to the horizontal plane to ensure that the posture of the equipment or mold meets the processing requirements; it dynamically monitors and indicates the flatness of the installation reference plane, identifies deviations caused by deformation or vibration, and provides real-time data support for leveling.

[0032] Preferably, the depth of the molding cavity of the molding die 1 is 0.3 to 5 mm, and the side wall of the cavity forms a transition angle of 85° to 95° with the bottom surface of the cavity; the depth of the molding cavity of the molding die 1 is preferably 0.3 mm, 2.5 mm or 5 mm. Due to space limitations and for the sake of simplicity, the present invention does not exhaustively list the specific point values ​​included in the said range; the transition angle formed by the side wall of the cavity and the bottom surface of the cavity is preferably 85°, 90° or 95°. Due to space limitations and for the sake of simplicity, the present invention does not exhaustively list the specific point values ​​included in the said range; the transition angle close to vertical (85° to 95°) can reduce the need for traditional demolding slopes, avoid sticking or deformation of the colored vulcanized rubber film due to insufficient slope, and is particularly suitable for the rapid demolding of thinner colored vulcanized rubber films (depth 0.3 to 5 mm).

[0033] Preferably, the molding mold 1 is a tempered glass molding mold, a ceramic molding mold or a surface-polished metal molding mold, and the surface roughness of the molding cavity of the molding mold 1 Ra≤0.8μm; the surface roughness Ra of the molding cavity of the molding mold 1 is preferably 0.8μm, 0.5μm or 0.2μm. Due to space limitations and for the sake of simplicity, the present invention no longer exhaustively lists the specific point values ​​included in the range; further, the purpose of uniform tiling can be achieved to obtain a film with uniform film thickness.

[0034] On the other hand, the present invention also provides a method for manufacturing a colored vulcanized rubber film, which is manufactured using the manufacturing device for a colored vulcanized rubber film as described in any one of the above items, comprising the following steps: mixing a colorant and vulcanized latex in a predetermined ratio to obtain a colored latex mixture; Adjust the leveling component 3 according to the level parameter indicated by the level monitor 5 to make the molding cavity 4 of the molding die 1 reach a horizontal state; Injecting the colored latex mixture into a forming mold 1 having a forming cavity 4; The color latex mixture is leveled autonomously in the molding cavity 4 by adjusting the molding die 1 posture; Drying and curing at room temperature to obtain the primary cured adhesive; The primary cured film is vulcanized to obtain a colored vulcanized film.

[0035] The preparation of the vulcanized latex includes the following steps: adding pure water, stabilizer, vulcanizing agent, accelerator, activator and antioxidant to concentrated latex in sequence according to the general formula ratio of vulcanized latex, and mixing them evenly; heating the latex in a water bath to complete the pre-vulcanization of the latex to obtain vulcanized latex with an appropriate degree of pre-vulcanization, and then letting it stand and mature for subsequent production use.

[0036] Among them, the stabilizer is preferably any one or more of ammonia water, potassium hydroxide solution, and peregal O; The accelerator is preferably any one or more of accelerator TMTD, accelerator ZDC, and accelerator MBT; The activator is preferably any one or more of zinc oxide and zinc carbonate; Antioxidants are preferably antioxidant RD, antioxidant 264, antioxidant BHT, etc. The preparation of the color latex mixture specifically includes the following steps: using matured vulcanized latex, adding color paste, mixing evenly, and obtaining a colored vulcanized latex, which is called the color latex mixture.

[0037] The present invention proposes a method for manufacturing colored vulcanized rubber films. Through the dynamic coordination of a multi-degree-of-freedom leveling component and a forming mold, the thickness standard deviation is compressed to below 0.015 mm, ensuring the thickness uniformity of the vulcanized rubber film. This not only avoids the influence of thickness fluctuations and the addition of film-forming agents on the judgment of the film color, but also realizes color data collection at a fixed elongation of 200%, achieving a complete test and evaluation of the film performance.

[0038] Preferably, the posture adjustment of the molding die includes: tilting the mold at a certain angle and resetting the mold until the color latex mixture is evenly spread in the molding cavity 4 of the molding die 1; The target vulcanization temperature is 105±2°C and the vulcanization time is 25 to 35 minutes; The target vulcanization temperature is preferably 103° C., 105° C., or 107° C.; due to space limitations and for the sake of brevity, the present invention does not exhaustively list the specific values ​​within the range; the vulcanization time is preferably 25 minutes, 30 minutes, or 35 minutes; due to space limitations and for the sake of brevity, the present invention does not exhaustively list the specific values ​​within the range; The mold tilt angle reset cycle allows the colored latex to spread repeatedly under the action of gravity, breaking through the surface tension limit in the shallow cavity (0.3-5mm), eliminating local accumulation or flow marks, and ensuring film thickness uniformity to the micron level; further compressing the thickness standard deviation to below 0.015mm; Narrow temperature window design of 105℃±2℃: When the temperature is below 103℃, the vulcanization rate is insufficient, resulting in low crosslink density (tensile strength decreases by ≥15%). If the temperature is higher than 107℃, the latex will be overheated and decomposed, resulting in bubbles or yellowing; Time-thickness matching curing, 25 to 35 minutes of curing time is suitable for 0.3 to 5mm film thickness: For thin layers (≤1mm), the lower limit is 25 minutes to avoid over-sulfurization embrittlement; For thick layers (≥3mm), the maximum time is 35 minutes to ensure that the core layer is fully cross-linked.

[0039] Example 1 Example 1 also provides a method for manufacturing a colored vulcanized rubber film, which is manufactured using the colored vulcanized rubber film manufacturing device, and includes the following steps: mixing a colorant and vulcanized latex in a predetermined ratio to obtain a colored latex mixture; The level monitor 5 is specifically a spirit level. The leveling component 3 is adjusted according to the level parameter indicated by the level monitor 5 so that the molding cavity 4 of the molding die 1 reaches a horizontal state. Injecting the colored latex mixture into a forming mold 1 having a forming cavity 4; Gently lift the liftable edge strip of the auxiliary leveling member 12, and adjust the posture of the forming mold to make the color latex mixture self-level in the forming cavity, wherein the forming mold posture adjustment includes: tilting the mold at a certain angle and resetting the cycle until the color latex mixture is evenly spread in the forming cavity 4 of the forming mold 1; Drying and curing at room temperature to obtain the primary cured adhesive; The primary cured film is hung in an oven for vulcanization treatment to obtain a colored vulcanized film; wherein the target vulcanization temperature is 105° C. and the vulcanization time is 30 minutes.

[0040] Comparative Example 1 Comparative Example 1 also provides a method for manufacturing a colored vulcanized rubber film, which is manufactured using an immersion film-forming process and includes the following steps: Set the oven temperature to 105°C, clean the balloon glass mold, and hang it in the oven to dry. After the glass mold is dry, dip it in a coagulant and then place it in the oven to dry. After the coagulant has dried in the balloon glass mold, remove the impregnation color latex mixture and place it in the oven to dry. After the edges of the film are dry, curl the balloon. Then, place it in the oven to vulcanize the balloon at 105°C for 30 minutes. Use a release agent to remove the balloon from the mold to obtain the balloon film. The coagulant is preferably calcium nitrate and diatomaceous earth, and the release agent is preferably talc.

[0041] Comparative Example 2 Comparative Example 2 also provides a method for manufacturing a colored vulcanized rubber film, which is manufactured using a coating film-forming process and includes the following steps: The color latex mixture was dripped onto the white card paper in sequence, and the latex was evenly scraped using a wet film preparation device (Shanghai Modern / SZQ-250) to form a uniform film on the white card paper. The film was then placed in an oven with the oven temperature set at 105 °C and the drying time set for 5 min to obtain a film on the color card paper.

[0042] The formula of the vulcanized latex of Example 1 and Comparative Examples 1-2 is as follows Table 1: Table 1 Formula of vulcanized latex The method for preparing the vulcanized latex of Example 1 and Comparative Examples 1-2 comprises the following steps: adding concentrated latex to a container according to the proportion of the components in Table 1, then adding potassium hydroxide solution and pure water in sequence, adding a vulcanizing agent, an accelerator ZDC, zinc oxide, an antioxidant RD and aqueous ammonia while stirring, stirring at a speed of 1000 r / min for 15 min.

[0043] The stirred latex mixture was transferred to a vulcanization tank and vulcanized in a water bath at 60°C for 2 hours. The pre-vulcanization degree of the test latex was 3% to 4% and then transferred to a storage tank and stored at 25°C for 1 day for subsequent use. The formula of the color latex mixture prepared in Example 1 and Comparative Examples 1-2 is as follows: Table 2: Table 2 Formula of color latex mixture The method for preparing the color latex mixture of Example 1 and Comparative Examples 1-2 comprises the following steps: adding color paste and pure water to the matured vulcanized latex, stirring evenly, and then using the mixture for subsequent preparation of the film.

[0044] Experimental methods: The color vulcanized rubber film obtained in Example 1 was measured using a spectrophotometer (color spectrum / DC-23D) to read the color data of the vulcanized rubber film in sequence; the vulcanized rubber film was stretched to a fixed elongation of 200% (such as Figure 5 As shown), fixed on a hard board, using a spectrophotometer (color spectrum / DC-23D), the colorimetric data of the vulcanized film were read in sequence as shown in Table 3. The thickness of the sample in its original size and stretched state was measured using a digital thickness gauge as shown in Table 4: Table 3 Vulcanized film color value reading data Table 4 Color vulcanized rubber film thickness test data (unit: mm) As shown in Table 4, in this embodiment, the spectrophotometer can be used to test not only the original chromaticity value of the colored vulcanized rubber film, but also the chromaticity value in the stretched state.

[0045] Place the balloon film obtained in Comparative Example 1 on a white paper and visually inspect the appearance and color of the balloon (e.g. Figure 3 The balloon thickness was tested at any 7 points as shown in Table 5. The color value could not be tested due to the influence of the coagulant and release agent.

[0046] Table 5 Test data of thickness of balloon film samples at original size (unit: mm) like Figure 3 As shown, the balloon film sample obtained in Comparative Example 1 has an orange appearance, a smooth surface after inflation, and good color. From Table 5, we can observe that the average thickness of the balloon film sample at the original size is 0.250 mm, and the standard deviation is 0.043 mm. Due to the uneven thickness, there is a certain color difference between the ball body and the ball bottom.

[0047] like Figure 4 As shown, the color film on the color card paper produced in Comparative Example 2 was measured using a spectrophotometer (Color Spectrum / DC-23D) to obtain the color data of the color card paper film as shown in Table 6. Since the color card paper film could not be removed, the thickness data could not be measured.

[0048] Table 6 Chromaticity data of the film on the color cardboard From the above test data, we can see that the balloon film produced using the dipping film-forming process has an average thickness of 0.250 mm and a standard deviation of 0.043 mm. The film produced using the colored vulcanized film manufacturing apparatus in this application has an average thickness of 0.661 mm at its original size with a standard deviation of 0.015 mm. When stretched to 200% elongation, the average thickness is 0.431 mm with a standard deviation of 0.026 mm. In comparison, the film produced using the colored vulcanized film manufacturing apparatus in this application has a smaller standard deviation in thickness, indicating more stable experimental data and reducing the impact of thickness fluctuations on film color judgment.

[0049] From the test data, the color chart prepared using the coater film forming process can read the color value. In comparison, the present application uses a colored vulcanized film manufacturing device to produce the film. This can not only test the color value data of the vulcanized film in the initial state, but also measure the data of the vulcanized film in the stretched state, enriching the description range of the film color. The color characteristics of the films evaluated in Example 1 and Comparative Examples 1-2 are compared in Table 7 below: Table 7 Comparison of color characteristics of the films evaluated in Example 1 and Comparative Examples 1-2 From Table 7, we can see that the manufacturing method of the colored vulcanized rubber film provided in this application ensures the thickness uniformity of the vulcanized rubber film through the dynamic coordination of the multi-degree-of-freedom leveling component and the forming mold. It not only avoids the influence of thickness fluctuation and film-forming agent addition on the judgment of the film color, but also realizes color data collection at a fixed elongation of 200%, realizing a complete test and evaluation of the film performance.

[0050] It will be appreciated that the present invention is described through some embodiments, and it will be appreciated by those skilled in the art that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are subject to various changes or equivalent substitutions. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope protected by the present invention.

Claims

1. A device for manufacturing a colored vulcanized rubber film, characterized in that: include: base; a forming mold detachably mounted on the upper surface of the base or placed on the base, and having a forming cavity for accommodating latex; A multi-degree-of-freedom leveling component provided on the lower surface of the base; Level monitor coupled to leveling assembly.

2. The manufacturing device of colored vulcanized rubber film according to claim 1, characterized in that: The multi-degree-of-freedom leveling assembly includes a plurality of independently adjustable support members, each of which is provided with a threaded adjustment portion.

3. The manufacturing device of colored vulcanized rubber film according to claim 2, characterized in that: The thread adjustment portion includes a first nut and a second nut, wherein the first nut and the second nut are respectively engaged with two end portions of the support member.

4. The manufacturing device of colored vulcanized rubber film according to claim 3, characterized in that: The difference in the number of teeth between the first nut and the second nut is 1 tooth, and the lead is 0.5 to 10 mm.

5. The manufacturing device of colored vulcanized rubber film according to claim 1, characterized in that: The level monitor may be embedded in any reference plane of the base or the forming mold, or the level monitor may be placed on any reference plane of the base or the forming mold.

6. The manufacturing device of the colored vulcanized rubber film according to claim 1 or 5, characterized in that: The depth of the molding cavity of the molding die is 0.3-5 mm, and the side wall of the cavity and the bottom surface of the cavity form a transition angle of 85°-95°.

7. The manufacturing device of colored vulcanized rubber film according to claim 6, characterized in that: The forming mold is a tempered glass forming mold, a ceramic forming mold or a surface-polished metal forming mold, and the surface roughness of the forming cavity of the forming mold Ra is less than or equal to 0.8 μm.

8. A method for manufacturing a colored vulcanized rubber film, characterized in that: The colored vulcanized rubber film is manufactured using the manufacturing device according to any one of claims 1 to 7, comprising the following steps: mixing a colorant and vulcanized latex in a predetermined ratio to obtain a colored latex mixture; Adjust the leveling assembly according to the level parameters indicated by the level monitor to make the molding cavity of the molding die reach a horizontal state; injecting the colored latex mixture into a forming mold having a forming cavity; The color latex mixture is leveled automatically in the molding cavity by adjusting the molding mold posture; Drying and curing at room temperature to obtain the primary cured adhesive; The primary cured film is vulcanized to obtain a colored vulcanized film.

9. The method for manufacturing a colored vulcanized rubber film according to claim 8, characterized in that: The molding die posture adjustment includes: tilting the mold at a certain angle and resetting the mold until the color latex mixture is evenly spread in the molding cavity of the molding die.

10. The method for manufacturing a colored vulcanized rubber film according to claim 8, characterized in that: The target vulcanization temperature is 105±2° C., and the vulcanization time is 25 to 35 minutes.

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