Color master batch cutting device

By combining a high-hardness alloy steel cutting blade and turntable, a spring-sealed cylinder design, and an easy-to-slide arc-shaped compartment door and a C-shaped docking cylinder to prevent splashing, the problems of uneven cutting, complex maintenance, and safety hazards in the masterbatch cutting device have been solved, achieving stable cutting and efficient operation.

CN224103264UActive Publication Date: 2026-04-10NANJING SPECIAL PLASTIC TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING SPECIAL PLASTIC TECH CO LTD
Filing Date
2025-05-14
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing masterbatch cutting devices suffer from uneven cutting, complex operation and maintenance, and safety hazards, especially uneven cutting caused by blade wear, inconvenient maintenance, and environmental pollution caused by particle splatter.

Method used

The cutting blade and turntable are made of high-hardness alloy steel and combined with spring and sealing cylinder design to ensure close contact between the blade and the feeder end face; the arc-shaped hopper door and locking bolts are designed for easy sliding and maintenance; the C-shaped docking cylinder has an open top to prevent particle splashing and the discharge chute ensures smooth discharge.

Benefits of technology

It achieves stable cutting results, simplifies the maintenance process, reduces particle splashing and environmental pollution, and improves equipment safety and work efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a color master batch cutting device, and aims to solve the problems of non-uniform cutting, unstable cutting quality, complex operation and maintenance, particle splashing and the like in the prior art. The device comprises a bottom plate, a color master raw material feeding machine, a cutting knife board, a rotating disc, a spring, a sealing cylinder, a motor and the like, and is compact and reasonable in structural design. Through accurate matching of the high-hardness alloy steel cutting knife board and the rotating disc, it is guaranteed that the cutting quality is uniform and stable; a spring and a sealing cylinder structure are adopted, so that close contact between the cutting tool and the color master batch raw material feeding machine is ensured, and the cutting precision is improved; due to the design of the arc-shaped bin gate and the locking bolts, maintenance and cleaning are facilitated, and particle splashing is reduced; due to the design of the discharging groove, smooth discharging of the particles is guaranteed, and the working efficiency is improved. By means of the optimized design, the cutting precision is improved, the maintenance cost is reduced, safety and cleanliness are guaranteed, and the device is suitable for efficient cutting in color master batch production.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of color master batch production, and particularly relates to a cutting device for color master batch. BACKGROUND

[0002] Color master batch is generally granular material mixed by plastic base material and pigment or other functional additives, and is widely applied to the coloring, modification and functional addition fields of plastic products. The cutting process of color master batch plays a vital role in its production process, and directly affects the granularity, uniformity and quality stability of the final product.

[0003] At present, the production of color master batch is generally carried out by melting the material through an extruder, extruding it into a strip-shaped material, and then processing it into particles through processes such as cooling and cutting. However, the existing color master batch cutting device generally has the following problems:

[0004] 1. Uneven cutting: due to the long-term use of the cutting device cutter, the cutter may be worn or vibrated, resulting in a gap between the cutter and the discharge port, which may lead to poor cutting effect and uneven particle size after cutting, affecting the final use effect of the color master batch.

[0005] 2. Complicated operation and maintenance: many existing cutting devices are not convenient to maintain and clean, especially in the cleaning of the cutter and the cutting area. The complicated structure and the non-detachable parts make the maintenance work time-consuming and laborious, affecting the production efficiency.

[0006] 3. Safety hazard: in the cutting process of the existing device, the high-speed operation of the cutting cutter and the material may cause particles to splash, causing environmental pollution or safety hazards to the operators. INVENTION CONTENTS

[0007] In view of the problems in the prior art, the purpose of the utility model is to provide a cutting device for color master batch, which can provide more stable and uniform cutting effect, has a structure design convenient for operation and maintenance, effectively prevents particles from splashing and polluting during the cutting process, and ensures the safety and cleanliness of the working environment.

[0008] To achieve the above purpose, the utility model provides the following technical scheme:

[0009] The utility model provides a cutting device of color master batch, including bottom plate and butt joint axle, the bottom plate is fixed in parallel on the ground surface, two support plates are welded vertically on the bottom plate upper surface, two support plates top fixed with color master batch raw material feeder, even be equipped with the discharge hole of color master batch raw material feeder front side, the fixed base is installed through bolt on the bottom plate upper surface front side, the fixed base top is provided with C type butt joint cylinder, C type butt joint cylinder and color master batch raw material feeder circle center coincide, color master batch raw material feeder front end is placed in C type butt joint cylinder inside one end, C type butt joint cylinder top is open, one end of C type butt joint cylinder is fixed with the circular side plate away from color master batch raw material feeder, motor is fixed on the side plate outside,

[0010] The motor output is provided with a power shaft, the power shaft penetrates the side plate, the power shaft end is provided with a square rod, the butt joint axle is coaxially arranged at the power shaft end, a square hole is formed in one end of the butt joint axle, and a rotating disc is arranged at the other end of the butt joint axle, the square rod slides in the square hole, and the rotating disc end is in contact with the front end surface center of the color master batch raw material feeder.

[0011] Further, three fixed rods are vertically arranged on the surface of the rotating disc, the fixed rods are provided with cutting blades at the ends and are installed through bolts, the three cutting blades are closely arranged on the surface of the end of the color master batch raw material feeder, and the cutting blades correspond to the positions of the discharge holes.

[0012] Further, the square rod is provided with a spring, the spring is arranged between the butt joint axle and the power shaft, the end of the butt joint axle is provided with a sealing cylinder, the end of the sealing cylinder slides on the power shaft, and the sealing cylinder wraps the spring.

[0013] Further, a discharge groove is formed in the fixed base, and the discharge groove guides the particles cut off and falling in the C type butt joint cylinder to the outside.

[0014] Further, the color master batch raw material feeder is provided with a chute symmetrically arranged on both sides along the axis, and an arc-shaped door is slidingly installed on the top of the color master batch raw material feeder, the arc-shaped door is sealed to the top of the C type butt joint cylinder.

[0015] Further, protrusions are symmetrically arranged at both ends of the inner side of the arc-shaped door and slide in the chute, the top of the arc-shaped door is provided with a locking bolt, and the locking bolt locks and fixes the arc-shaped door.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] First, in view of the uneven cutting problem in the existing cutting device, the utility model discloses the close cooperation of the cutting knife plate and the rotating disc through the accurate design, guarantees the high-precision contact between the cutting tool and the color mother raw material feeder end face during each cutting. The cutting knife plate is made of high-hardness alloy steel material, which ensures that it can still maintain a sharp cutting edge during long-term use, thereby effectively avoiding the uneven cutting phenomenon caused by tool wear in the existing device.

[0018] Secondly, the spring ensures that the rotating disc surface and the color mother raw material feeder front end face always maintain close contact. This design effectively avoids the cutting quality instability phenomenon caused by unstable tool contact in the existing equipment, and the cutting effect is obviously improved.

[0019] In view of the complex operation and maintenance problem in the existing cutting device, the utility model discloses the arc-shaped door and locking bolt that are convenient to slide, which is convenient for users to quickly open and fix the door during maintenance. The design of the arc-shaped door not only makes the cleaning work more convenient, but also effectively avoids the problem of particle splashing during maintenance, ensuring the cleanliness and safety of the equipment. In addition, the wrapping design of the sealing cylinder to the spring effectively avoids the entry of particles into the spring area, thereby reducing the maintenance frequency and cost.

[0020] In addition, in view of the particle splashing and environmental pollution problem that may occur during the cutting process, the design of the open top of the C-shaped docking cylinder effectively prevents the splashing of particles during cutting, reducing environmental pollution during operation. Through the cooperation of the sealing design and the sealing cylinder, the influence of external particles on the cutting equipment is avoided, thereby improving the safety and cleanliness of the working environment.

[0021] Finally, the design of the discharge chute and the C-shaped docking cylinder ensures the smooth discharge of the cutting particles, avoids the jamming phenomenon caused by particle accumulation, and effectively improves the working efficiency of the device. The corrosion-resistant steel material of the discharge chute makes it not easy to be corroded after long-term use, further improving the stability and service life of the device. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the cutting state of the utility model three-dimensional structure schematic diagram;

[0023] Figure 2 It is the door opening three-dimensional structure schematic diagram of the utility model;

[0024] Figure 3 It is the Figure 1 sectional structure schematic diagram of the utility model;

[0025] Figure 4 It is the Figure 3 A zone enlarged structure schematic diagram of the utility model;

[0026] Figure 5 It is the sealing cylinder installation structure structure schematic view of the utility model;

[0027] Figure 6 It is the discharge slot cross section structure schematic view of the utility model;

[0028] Figure 7 It is the arc shaped bin door three-dimensional structure schematic view of the utility model.

[0029] In the drawing, the component list represented by each sign is as follows:

[0030] 1, bottom plate; 11, support plate; 2, color masterbatch raw material feeding machine; 21, discharge hole; 22, chute; 3, arc shaped bin door; 31, convex strip; 32, locking bolt; 4, fixed seat; 41, discharge slot; 42, C-shaped butt joint cylinder; 43, side plate; 5, motor; 51, power shaft; 52, square rod; 6, spring; 7, butt joint shaft; 71, square hole; 72, sealing cylinder; 73, rotating disc; 74, fixed rod; 75, cutting knife plate. DETAILED DESCRIPTION

[0031] In order to make the purpose and the advantage of the utility model more clearly, the utility model is specifically explained below in combination with examples. It should be understood that the following text is only used to describe one or several specific implementation manners of the utility model, and does not strictly limit the protection scope specifically requested by the utility model.

[0032] Example 1:

[0033] Reference Figures 1-6 As shown in the figure, a color masterbatch cutting device, including bottom plate 1 and butt joint shaft 7, bottom plate 1 is fixed parallel to the ground surface, two support plates 11 are vertically welded on the upper surface of bottom plate 1, color masterbatch raw material feeding machine 2 is fixed on the top of two support plates 11, discharge holes 21 are evenly arranged on the front side of color masterbatch raw material feeding machine 2, fixed seat 4 is installed on the front side of the upper surface of bottom plate 1 through bolts, C-shaped butt joint cylinder 42 is arranged on the top of fixed seat 4, C-shaped butt joint cylinder 42 is coaxial with the center of color masterbatch raw material feeding machine 2, the front end of color masterbatch raw material feeding machine 2 is arranged inside one end of C-shaped butt joint cylinder 42, the top of C-shaped butt joint cylinder 42 is open, the end of C-shaped butt joint cylinder 42 away from color masterbatch raw material feeding machine 2 is fixed with circular side plate 43, motor 5 is fixed on the outside of side plate 43; motor 5 is YZ-100 type motor, power shaft 51 is installed on the output end of motor 5, power shaft 51 penetrates through side plate 43, square rod 52 is arranged on the end of power shaft 51, butt joint shaft 7 is coaxially arranged on the end of power shaft 51, square hole 71 is arranged on one end of butt joint shaft 7, rotating disc 73 is arranged on the other end of butt joint shaft 7, square rod 52 slides inside square hole 71, the end of rotating disc 73 is in contact with the center of the front end surface of color masterbatch raw material feeding machine 2.

[0034] ReferenceFigure 5 As shown, the surface of the rotating disc 73 is uniformly and vertically provided with three fixed rods 74, the end of the fixed rod 74 is provided with a cutting blade 75 through bolt installation, the cutting blade 75 is made of high hardness alloy steel material, has strong wear resistance, the three cutting blades 75 are tightly attached to the surface of the end of the color masterbatch raw material feeder 2, and the cutting blade 75 corresponds to the position of the discharge hole 21. The design of the cutting blade 75 can ensure that the cutting edge is sharp and accurate every time, avoiding the problem of uneven cutting in the existing device, and the high hardness material effectively prolongs the service life of the blade, reducing the maintenance cost of frequent replacement of tools.

[0035] Reference Figure 3 And Figure 4 As shown, the surface of the square rod 52 is sleeved with a spring 6, the spring 6 is made of carbon steel material, the spring 6 is placed between the butt joint shaft 7 and the power shaft 51, the end of the butt joint shaft 7 is provided with a sealing cylinder 72, the sealing cylinder 72 is made of high temperature resistant rubber material, the end of the sealing cylinder 72 slides on the power shaft 51, and the sealing cylinder 72 wraps the spring 6. The design of the spring 6 makes the butt joint shaft 7 always maintain a certain backward force, ensuring the close contact between the rotating disc 73 and the cutting blade 75 and the end surface of the color masterbatch raw material feeder 2, thereby effectively improving the cutting precision and stability. The sealing cylinder 72 prevents external particles from entering the spring 6 area, keeps the cutting device clean, and effectively prevents damage to the spring during cutting.

[0036] Reference Figure 5 And Figure 6 As shown, the inside of the fixed seat 4 is provided with a discharge groove 41, which guides the particles falling into the C-shaped butt joint cylinder 42 to the outside. The discharge groove 41 is made of corrosion-resistant steel, which ensures smooth discharge of the particles during cutting, and avoids corrosion problems caused by long-term use. The cut particles are smoothly guided out of the discharge groove 41, ensuring efficient operation of the cutting device and reducing the risk of particle accumulation.

[0037] Reference Figure 1 And Figure 2 As shown, the surface of the color masterbatch raw material feeder 2 is symmetrically provided with a chute 22 along the axis, the size of the chute 22 is 50mm×10mm, and the top of the color masterbatch raw material feeder 2 is slidingly provided with an arc-shaped door 3, which is sealed to the top of the C-shaped butt joint cylinder 42. The arc-shaped door 3 is made of high temperature resistant aluminum alloy material, which has strong corrosion resistance and high temperature resistance, and can effectively meet the processing requirements of color masterbatch raw materials in high temperature environment.

[0038] Reference Figure 1 And Figure 7As shown, the two ends of the inner side of the arc-shaped door 3 are symmetrically provided with protrusions 31 which slide in the sliding groove 22. The size of the protrusions 31 is 10mm in width and consistent with the axial length of the arc-shaped door 3. The inner surface of the sliding groove 22 is coated with polytetrafluoroethylene to reduce sliding friction and ensure smoother sliding of the arc-shaped door 3. A locking bolt 32 is screwed through the top of the arc-shaped door 3. The locking bolt 32 is made of stainless steel, which has strong corrosion resistance and oxidation resistance. The locking bolt 32 locks and fixes the arc-shaped door 3 to ensure that the door does not loosen during operation and prevent particles from splashing and contaminating during cutting, ensuring a clean and safe working environment.

[0039] Example 2: Cooperation of cutting knife plate and rotating disc

[0040] In this embodiment, in order to ensure uniformity and stability of cutting, three fixed rods 74 are evenly and vertically arranged on the surface of the rotating disc 73, and each fixed rod 74 is provided at the end with a cutting knife plate 75 installed by a bolt. The cutting knife plate 75 is made of high-hardness alloy steel (such as H13 die steel), with a hardness of HRC 55 or above, ensuring that it is not easily worn out during long-term use, thereby improving cutting precision. The size of each cutting knife plate 75 is 80mm x 50mm, and a gap of 1mm is always maintained between the cutting knife plate and the end face of the color master batch feeder 2, ensuring stable contact between the cutting tool and the surface of the feeder. The rotating disc 73 is driven by the motor 5, and the cooperation of the square rod 52 and the square hole 71 ensures that the rotating disc 73 always maintains contact with the end face of the color master batch feeder 2, ensuring that the cutting surface is flat and gap-free each time, solving the problem of uneven cutting in the prior art.

[0041] Example 3: Stability and precision improvement of cutting quality

[0042] In this embodiment, the spring 6 is made of carbon steel with a hardness of 35HRC and good elasticity. The spring 6 is designed between the butt joint shaft 7 and the power shaft 51. When the motor 5 starts, the power shaft 51 drives the square rod 52 to rotate, and the square rod 52 drives the rotation of the butt joint shaft 7 through sliding cooperation. During cutting, the spring 6 provides continuous backward force to ensure the stability of the contact between the butt joint shaft 7 and the rotating disc 73. The end of the butt joint shaft 7 is provided with a sealing cylinder 72 made of high-temperature resistant rubber material with a temperature resistance range of up to 150°C, ensuring that the spring area is not affected by external granular materials. The end of the sealing cylinder 72 slides on the power shaft 51, preventing external granular materials from entering the sealing area. The sealing design effectively reduces the frequency of equipment maintenance and the fluctuation of cutting quality, improving the overall stability and cutting precision of the equipment.

[0043] Example 4: Design of arc-shaped door and operational convenience

[0044] The arc-shaped bin door 3 is designed for easy sliding and locking. The outer shape is designed as an arc, made of high-strength aluminum alloy material, with strong corrosion resistance and temperature resistance up to 200°C. The arc-shaped bin door 3 is symmetrically provided with protrusions 31 on the inner side of both ends, with a size of 10mm x 5mm. The inner surface of the sliding groove 22 is coated with a polytetrafluoroethylene (PTFE) coating, reducing sliding friction and ensuring smooth sliding of the arc-shaped bin door 3. The arc-shaped bin door 3 is equipped with locking bolts 32 at the top, made of stainless steel material, with strong corrosion resistance and oxidation resistance. Through the locking bolts 32, the arc-shaped bin door 3 can be fixed at the desired position to prevent the bin door from loosening or shifting during operation. The design of the arc-shaped bin door 3 makes it more convenient for daily maintenance of the equipment, allowing operators to quickly open the bin door for maintenance or cleaning, reducing downtime and improving production efficiency.

[0045] Example 5: Particle splash prevention and cleaning during cutting process

[0046] To solve the problem of particle splash during cutting, this embodiment designs a C-shaped docking cylinder 42, which is open at the top and adopts a closed structure to effectively prevent particle materials from splashing outward during cutting. The inner surface of the C-shaped docking cylinder 42 is made of stainless steel material, with high corrosion resistance and wear resistance, which can resist the corrosion of acidic substances in the color master batch raw materials during long-term use. The C-shaped docking cylinder 42 is precisely matched with the color master batch raw material feeder 2 to ensure that the particle materials can smoothly fall into the C-shaped docking cylinder 42 after cutting. Through the discharge chute 41, the particles are smoothly guided and discharged, avoiding accumulation or blockage. The discharge chute 41 is made of corrosion-resistant steel, with a smooth inner surface, ensuring smooth discharge of the particle materials. This design effectively prevents particle splashing during cutting, maintaining a clean and safe working environment.

[0047] Example 6: Efficient discharge of the device and work efficiency

[0048] This embodiment optimizes the design of the discharge chute 41, which has a size of 250mm x 150mm, effectively accommodating and guiding the particle materials falling during cutting. The connection between the discharge chute 41 and the C-shaped docking cylinder 42 adopts seamless welding technology to ensure that the particle materials can smoothly flow into the discharge chute 41 without leakage or blockage. The material of the discharge chute 41 is corrosion-resistant steel, which has been surface sprayed and has strong corrosion resistance. The particle materials are guided to the external storage device through the discharge chute 41, ensuring timely disposal of waste materials during cutting. This design significantly improves the work efficiency of the equipment, avoiding the negative impact of waste accumulation on equipment operation.

[0049] The working principle of the utility model is: after the extruded strip-shaped color masterbatch is cooled, it is passed into the color masterbatch raw material feeding machine 2, then the color masterbatch raw material feeding machine 2 drives multiple strip-shaped masterbatch materials to move and pass through the discharge hole 21 respectively, the butt joint shaft 7 always has a backward force due to the existence of the spring 6, then the rotating disc 73 can always keep in contact with the front end face of the color masterbatch raw material feeding machine 2, at this time the sealing cylinder 72 always wraps the spring 6 to prevent the falling granular material from affecting the spring 6, the motor 5 is started to drive the power shaft 51 to rotate, the butt joint shaft 7 is driven to rotate through the cooperation of the square bar 52 and the square hole 71, then the three cutting knife plates 75 on the surface of the rotating disc 73 are driven to rotate, to cut the material protruding from the surface of the discharge hole 21 through the cutting knife plate 75, then granular material is formed, the cut granular material falls into the C-shaped butt joint cylinder 42, then is guided out through the discharge groove 41, in this process, the cutting knife plate 75 can always keep in close contact with the end face of the color masterbatch raw material feeding machine 2 to guarantee the cutting quality.

[0050] When working, the top of the C-shaped butt joint cylinder 42 is sealed through the arc-shaped door 3 to prevent the cut granular material from splashing, when it is needed to observe the inside or to overhaul and maintain, the arc-shaped door 3 can be moved backward to make the top of the C-shaped butt joint cylinder 42 open, improving the convenience of overhauling and maintaining, the cooperation of the convex strip 31 and the sliding groove 22 ensures that the arc-shaped door 3 can only move along the axis, and the locking bolt 32 is screwed and the position of the arc-shaped door 3 is fixed.

[0051] The above only is the preferred implementation of the utility model, it should be pointed out that, for the ordinary skilled person in the art, without departing from the principle of the utility model, still can make a number of improvements and refinements, these improvements and refinements also should be regarded as the protection scope of the utility model. The structure, device and operation method not specifically described and explained in the utility model, if no special description and limitation, are implemented according to the conventional means in the art.

Claims

1. A cutting device for color masterbatch, comprising a base plate (1) and a docking shaft (7), characterized in that: The base plate (1) is fixed parallel to the ground surface. Two support plates (11) are vertically welded to the upper surface of the base plate (1). A masterbatch feeder (2) is fixed on the top of the two support plates (11). The masterbatch feeder (2) has a uniformly opened discharge hole (21) on the front side. A fixing seat (4) is installed on the front side of the upper surface of the base plate (1) by bolts. A C-shaped docking cylinder (42) is set on the top of the fixing seat (4). The center of the C-shaped docking cylinder (42) coincides with that of the masterbatch feeder (2). The front end of the masterbatch feeder (2) is placed inside the C-shaped docking cylinder (42). The top of the C-shaped docking cylinder (42) is open. A circular side plate (43) is fixed on the end of the C-shaped docking cylinder (42) away from the masterbatch feeder (2). A motor (5) is fixed on the outside of the side plate (43). The motor (5) output end is equipped with a power shaft (51), which passes through the side plate (43). A square rod (52) is provided at the end of the power shaft (51). The docking shaft (7) is coaxially placed at the end of the power shaft (51). A square hole (71) is opened at one end of the docking shaft (7), and a turntable (73) is provided at the other end of the docking shaft (7). The square rod (52) slides inside the square hole (71), and the end of the turntable (73) contacts the center of the front face of the color masterbatch feeder (2).

2. The color masterbatch cutting device according to claim 1, characterized in that: Three fixed rods (74) are evenly and vertically arranged on the surface of the turntable (73). The ends of the fixed rods (74) are bolted with cutting blades (75). The three cutting blades (75) are closely attached to the end surface of the color masterbatch feeder (2), and the cutting blades (75) correspond to the positions of the discharge hole (21).

3. The color masterbatch cutting device according to claim 1, characterized in that: A spring (6) is sleeved on the surface of the square rod (52). The spring (6) is placed between the docking shaft (7) and the power shaft (51). A sealing cylinder (72) is provided at the end of the docking shaft (7). The end of the sealing cylinder (72) slides on the power shaft (51). The sealing cylinder (72) wraps around the spring (6).

4. The color masterbatch cutting device according to claim 1, characterized in that: The fixed base (4) has a discharge groove (41) inside, which guides the particles that have been cut off and fallen into the C-shaped docking cylinder (42) out.

5. The color masterbatch cutting device according to claim 1, characterized in that: The color masterbatch feeder (2) has symmetrically opened grooves (22) on both sides of the axis. The top of the color masterbatch feeder (2) is slidably installed with an arc-shaped hopper door (3). The arc-shaped hopper door (3) is open and sealed to the top of the C-shaped docking cylinder (42).

6. The color masterbatch cutting device according to claim 5, characterized in that: The inner ends of the arc-shaped door (3) are symmetrically provided with protrusions (31), the protrusions (31) slide inside the slide groove (22), and the top of the arc-shaped door (3) is screwed with a locking bolt (32), which locks and fixes the arc-shaped door (3).