Internal mixer processing system

By designing an automatic alternation system for the feeding and dust removal devices in the internal mixer, the problem of powder flying during the feeding process of the internal mixer was solved, realizing automated feeding and dust removal, and protecting the health of workers.

CN122008428APending Publication Date: 2026-05-12ADVANCED THERMOPLASTIC POLYMER TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ADVANCED THERMOPLASTIC POLYMER TECH
Filing Date
2026-04-02
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

During the feeding process of existing internal mixers, polymer material powder is easily scattered, causing it to adhere to the side walls of the mixing chamber and the pressure hammer, which is difficult to recover, and manual cleaning is harmful to the health of workers.

Method used

Design a mixing mill processing system, including a feeding device and a dust sweeping device. The feeding and dust sweeping devices are alternately switched by a drive mechanism to automatically complete the feeding and dust removal operations, reducing manual intervention.

Benefits of technology

It achieves stable material feeding while promptly cleaning up powder, reducing the workload of workers and avoiding health risks caused by dust inhalation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to the technical field of internal mixers, and provides an internal mixer processing system which comprises an internal mixer body used for mixing materials, and the internal mixer body is provided with a discharging cavity for feeding the materials and a mixing cavity for mixing the materials; the feeding device is used for feeding materials into the mixing cavity; the powder sweeping device is used for removing powder attached to the inner wall of the discharging cavity. The driving mechanism is arranged on the internal mixer body and used for driving the feeding device or the powder sweeping device. The feeding device and the powder sweeping device are alternately replaced through the driving device, it can be guaranteed that powder on the inner wall of the discharging cavity can be cleaned in time while stable feeding is guaranteed, feeding and dust removal are conducted separately through the driving mechanism, manual participation is not needed, and the workload of workers is relieved.
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Description

Technical Field

[0001] This invention relates to the field of internal mixer technology, and more specifically to an internal mixer processing system. Background Technology

[0002] Internal mixers are mainly used for the plasticizing and mixing of rubber. An internal mixer is a machine that uses a pair of rotors of a specific shape that rotate relative to each other to intermittently plasticize and mix polymer materials in a closed state with adjustable temperature and pressure.

[0003] In existing internal mixers, material is typically poured into the mixing chamber manually, followed by the pressure hammer pressing down towards the mixing cavity. During this process, polymer powder easily becomes airborne and adheres to the side walls of the discharge chamber and / or the pressure hammer, preventing it from being incorporated into the production process. Currently, cleaning of the mixing chamber walls and pressure hammer is primarily done manually using tools. However, regardless of whether manual material pouring or manual cleaning is used, the polymer powder is inhaled by workers during this airborne process. Long-term exposure may lead to respiratory illnesses, negatively impacting worker health. Summary of the Invention

[0004] In view of the shortcomings of existing technologies in terms of manual feeding and dust removal, the purpose of this invention is to provide a mixing mill processing system that can combine feeding and dust removal.

[0005] To address the above problems, the present invention provides the following technical solution: This application provides a mixing mill processing system, including: The internal mixer body is used for mixing materials. The internal mixer body is provided with a discharge chamber for feeding materials and a mixing chamber for mixing materials. A feeding device is used to feed materials into the mixing chamber; A powder removal device is used to remove powder adhering to the inner wall of the discharge chamber; A drive mechanism is provided on the body of the internal mixer for driving the feeding device or the powder sweeping device; When feeding material after dust collection, the drive mechanism can replace the dust collection device with the feeding device and drive the feeding device to feed material; when dust collection is performed after feeding material, the drive mechanism can replace the feeding device with the dust collection device and drive the dust collection device to collect dust.

[0006] The beneficial effects of this invention are: by using a drive device to alternate between the feeding device and the dust removal device, stable feeding can be ensured while timely cleaning of the powder on the inner wall of the discharge chamber. Furthermore, the drive mechanism enables separate operations for feeding and dust removal, eliminating the need for manual intervention and reducing the workload of workers. Attached Figure Description

[0007] Figure 1 This is a perspective view of the present invention; Figure 2 This is a schematic diagram of the internal structure of the internal mixer of the present invention; Figure 3 This is a perspective view of the material feeding and dust prevention mechanism of the present invention; Figure 4 This is an exploded view of the material feeding and dust prevention mechanism of the present invention; Figure 5 This is a three-dimensional schematic diagram for easy observation of the material feeding component and the anti-blocking assembly of the present invention; Figure 6 This is a three-dimensional schematic diagram of the anti-clogging component for easy observation of the present invention; Figure 7 This is a perspective view of the feeding component of the present invention; Figure 8 This is a schematic diagram for easy observation of the first and second power components of the present invention.

[0008] Figure label: 10. Internal mixer body; 20. Feeding device; 30. Powder sweeping device; 40. Drive mechanism; 50. Conveying mechanism; 60. Second drive assembly; 70. Feeding dust prevention mechanism; 80. Anti-blocking assembly; 11. Discharge chamber; 12. Mixing chamber; 21. Receiving box; 22. First connector; 31. Sweeping section; 32. Vacuuming section; 33. Second connector; 41. First drive component; 42. Third connector; 51. Power components; 52. Conveying components; 61. Track; 71. Main body; 711. Box body; 712. Stop; 713. Feed inlet; 714. Discharge inlet; 72. Feeding assembly; 721. Discharge component; 72a. Drive shaft; 72b. Partition; 722. Dustproof component; 723. Drive component; 73. Disc; 81. Support component; 82. Rotating component; 83. First power assembly; 831. Tooth groove; 832. Gear; 84. Second power assembly; 841. Drive groove. Detailed Implementation

[0009] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of this application.

[0010] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "multiple" means two or more, unless otherwise explicitly specified.

[0011] For ease of description of the first, second, and third directions in the embodiments of this application, the first direction is the left-right direction in the figures, the second direction is the front-back direction in the figures, and the third direction is the up-down direction in the figures. The x-axis arrow direction is referred to as the "right" direction, the y-axis arrow direction as the "up" direction, and the z-axis arrow direction as the "back" direction, but these are not the sole limitations in the actual application of this application.

[0012] Internal mixers are mainly used to process rubber, plastics, and polymer materials. Specific products include tires, hoses, seals, modified plastic materials, and thermoplastic elastomers.

[0013] like Figures 1-2 As shown, this embodiment provides a mixing mill processing system, which includes a mixing mill body 10, a feeding device 20, a powder sweeping device 30, and a drive mechanism 40. The mixing mill body 10 is used for mixing materials, and the mixing mill body 10 is provided with a discharge chamber 11 for feeding materials and a mixing chamber 12 for mixing materials. The feeding device 20 is used to feed materials into the mixing chamber 12. The powder sweeping device 30 is used to remove powder adhering to the inner wall of the discharge chamber 11. The drive mechanism 40 is located on the mixing mill body 10 and is used to drive the feeding device 20 or the powder sweeping device 30. When feeding materials after powder sweeping, the drive mechanism 40 can replace the powder sweeping device 30 with the feeding device 20 and drive the feeding device 20 to feed materials. When powder sweeping is performed after feeding materials, the drive mechanism 40 can replace the feeding device 20 with the powder sweeping device 30 and drive the powder sweeping device 30 to sweep powder. The alternating switching of the feeding device 20 and the dust removal device 30 by the drive device can ensure stable feeding while timely cleaning of the powder on the inner wall of the discharge chamber 11. The separate operation of feeding and dust removal by the drive mechanism 40 can be achieved without manual intervention, reducing the workload of the staff.

[0014] like Figure 1As shown, optionally, a conveying mechanism 50 is also included; the conveying mechanism 50 is located on the body 10 of the internal mixer, and is used to convey materials to the feeding device 20. Through the conveying mechanism 50, no manual handling is required, and materials can be conveyed in a timely manner.

[0015] like Figure 1 As shown, optionally, the conveying mechanism 50 includes a power component 51 and a conveying component 52; the power component 51 is a drive motor. When material is placed on the conveying component 52, the power component 51 drives the conveying component 52 to move the material to the feeding device 20.

[0016] like Figures 1-2 As shown, optionally, the feeding device 20 includes a receiving box 21 and a first connector 22. The receiving box 21 is placed at the end of the conveying mechanism 50 and is used to receive the material conveyed by the conveying mechanism 50. The first connector 22 is located on one side of the receiving box 21, and the driving mechanism 40 can be fixed or separated from the first connector 22. When feeding, the driving mechanism 40 is fixed to the first connector 22, and the driving mechanism 40 can move the receiving box 21 between the discharge chamber 11 and the conveying mechanism 50 via the first connector 22. With the setting of the receiving box 21, the material conveyed by the conveying mechanism 50 can be received in a timely manner, and with the first connector 22 connected and fixed to the third connector 42 of the driving mechanism 40, the received material can be sent to the discharge chamber 11 for feeding.

[0017] like Figures 1-2 As shown, optionally, the dust removal device 30 includes a dust removal section 31, a dust suction section 32, and a second connector 33. The dust removal section 31 is used to remove powder adhering to the inner wall of the discharge chamber 11. The dust suction section 32 is connected to the dust removal section 31 and is used to remove the dust that has been swept off. The dust removal section 31 is installed on the second connector 33, and the drive mechanism 40 can be fixed or separated from the second connector 33. When dust removal is performed, the drive mechanism 40 is fixed to the second connector 33, and the drive mechanism 40 can move the dust removal section 31 into the discharge chamber 11 to perform dust removal. Through the setting of the dust removal section 31, the adhering dust can be removed in a timely manner, and with the cooperation of the dust suction section 32, the removed dust can be sucked out in a timely manner, preventing the removed dust from spreading and adhering to the inner wall of the discharge chamber 11 again.

[0018] like Figure 1As shown, optionally, the drive mechanism 40 includes a first drive assembly 41 and a third connector 42; the first drive assembly 41 is disposed on the internal mixer body 10, and the third connector 42 is disposed on the first drive assembly 41. The third connector 42 can be fixed or separated from the first connector 22 or the second connector 33. The ability to fix or separate the third connector 42 from the first connector 22 or the second connector 33 allows for the replacement of the receiving box 21 and the dust sweeping part 31, facilitating corresponding replacement operations based on powder sweeping or material feeding.

[0019] Optionally, the first drive assembly 41 is a multi-axis robotic arm. It can move at any angle and in any direction, facilitating the removal of powder.

[0020] Optionally, the robotic arm can be one of three-axis, four-axis, five-axis, six-axis, or seven-axis robotic arms; no specific choice is made here.

[0021] Preferably, the third connector 42 is a negative pressure suction cup, and the first connector 22 and the second connector 33 are adsorption plates; the negative pressure suction cup is fixed to the adsorption plate by negative pressure suction. Replacement is performed using negative pressure adsorption, resulting in fast connection speed and stable operation.

[0022] Preferably, the third connector 42 is a triangular gripper, and the first connector 22 and the second connector 33 are rods; the triangular gripper can grip the rod tightly. Using a triangular gripper ensures gripping strength and stable subsequent operations.

[0023] like Figures 1-2 As shown, optionally, a second drive assembly 60 is also included; the second drive assembly 60 is used to drive the first drive assembly 41 to move horizontally on the internal mixer body 10; when the second drive assembly 60 drives the first drive assembly 41 to move horizontally on the internal mixer body 10, the first drive assembly 41 can be moved away from or closer to the discharge chamber 11. By setting the second drive assembly 60, the first drive assembly 41 can be moved away when observing the internal mixing process or during later maintenance, preventing the position of the first drive assembly 41 from affecting the operation.

[0024] like Figure 1 As shown, optionally, the second drive assembly 60 includes a track 61 and a first drive unit (not shown in the figure); the first drive unit is mounted on the track 61, and the first drive unit can move the first drive assembly 41 via the track 61. That is, the first drive unit drives the first drive assembly 41 to translate along the track 61.

[0025] like Figure 1 , Figures 3-5 as well as Figure 7As shown, optionally, a feeding dust prevention mechanism 70 is also included; the feeding dust prevention mechanism 70 is installed on the body 10 of the internal mixer and is used to block the opening of the discharge chamber 11 to prevent dust from spreading to the outside.

[0026] like Figures 3-4 As shown, optionally, it includes a main body 71 and a feeding assembly 72. The main body 71 is installed on the internal mixer body 10 to block the opening of the discharge chamber 11. The main body 71 is provided with a feed inlet 713 and a discharge outlet 714. The feeding assembly 72 is located inside the main body 71 and is used to feed materials into the discharge chamber 11. The first drive assembly 41 or the conveying mechanism 50 can put materials into the main body 71 from the feed inlet 713, and the feeding assembly 72 feeds the materials placed in the main body 71 into the discharge chamber 11 through the discharge outlet 714. By first feeding the materials into the main body 71 and then feeding them through the feeding assembly 72, the problem of dust spreading in all directions when materials are directly poured into the mixing chamber 12 through the discharge chamber 11 can be prevented.

[0027] like Figures 3-4 As shown, optionally, the main body 71 includes a box body 711 and a baffle 712; the feed inlet 713 and the discharge outlet 714 are located on the box body 711, with the discharge outlet 714 located on one side of the box body 711 near the opening of the discharge cavity 11; the feeding assembly 72 is located on the box body 711; the baffle 712 is located on the upper side of the box body 711 near the opening of the discharge cavity 11, and the baffle 712 is rotatably connected to the box body 711; the baffle 712 can swing upward to block the opening of the discharge cavity 11 together with the box body 711, and the baffle can swing downward to open the opening of the discharge cavity 11, allowing the dust removal device to remove dust from the discharge cavity 11 through the open opening. Through the rotatable connection between the box body 711 and the baffle, material can be fed through the box body 711, and the baffle can be opened for dust removal during dust removal.

[0028] Optionally, the box body 711 and the stop 712 can be installed with the internal mixer body 10 by one of the fixing methods such as magnetic attraction or bolt fixing. Fixing the box body 711 and the stop 712 by magnetic attraction or bolt fixing can ensure that the box body 711 and the stop 712 do not separate from the internal mixer body 10 during the feeding process, thus ensuring stable feeding.

[0029] Optionally, the box body 711 and the baffle are provided with a rubber layer (not shown in the figure) on the opening side of the discharge chamber 11 to ensure sealing and prevent dust.

[0030] Optionally, a flexible baffle (not shown in the figure) is provided on the feed inlet 713. The baffle does not affect the feeding of materials, but can block the feed inlet 713 and prevent some dust from being generated when the materials are placed in the box 711.

[0031] Preferably, the curtain is made of rubber.

[0032] like Figures 4-5 As shown, optionally, the feeding assembly 72 includes a discharge component 721, a dustproof component 722, and a drive component 723. One side of the dustproof component 722 is connected to the feed inlet 713, and the other side is connected to the discharge outlet 714. The discharge component 721 is located inside the dustproof component 722, forming multiple material cavities between the discharge component 721 and the dustproof component 722. The dustproof component 722 prevents the material cavity located at the feed inlet 713 from communicating with the material cavity located at the discharge outlet. The drive component 723 can drive the discharge component 721, causing the material cavity to switch between the feed inlet 713 and the discharge outlet. The drive component 723 is a drive motor. The dustproof component 722 prevents the feed inlet 713 and the discharge outlet 714 from communicating, preventing dust from spreading outward. The drive component 723 can promptly convey the material to the discharge cavity 11 for discharge, ensuring stable feeding.

[0033] like Figures 4-5 as well as Figure 7 As shown, optionally, the feeding component 721 includes a drive shaft 72a and multiple partitions 72b; the partitions 72b are disposed on the drive shaft 72a, and the drive component 723 drives the drive shaft 72a to rotate the partitions 72b within the dustproof component 722, with adjacent partitions 72b and the dustproof component 722 forming a material cavity. The arrangement of multiple partitions 72b ensures that materials are stably pushed into the feeding cavity 11, guaranteeing stable feeding.

[0034] like Figures 4-6 as well as Figure 8 As shown, optionally, an anti-clogging component 80 is also included, which can prevent the partition 72b from squeezing the material onto the dustproof component 722, causing the material to adhere to the dustproof component 722 and cause blockage.

[0035] like Figures 4-6 as well as Figure 8As shown, optionally, the anti-clogging component 80 includes a support member 81, a rotating member 82, a first power component 83, and a second power component 84. The support member 81 is installed on the outside of the partition 72b near the dustproof component 722, and the support member 81 can move away from or near the dustproof component 722. The rotating member 82 is installed on the side of the support member 81 near the dustproof component 722, and the rotating member 82 can rotate. The first power component 83 can move the support member 81 away from or near the dustproof component 722, and the second power component 84 can rotate the rotating member 82. When the partition 72b rotates with the rotating shaft, the second power component 84 can drive the rotating member 82 to rotate. When the rotating member 82 is located at the feed inlet 713, the first power component 83 can move the support member 81 away from the dustproof component 722, and there is a gap between the rotating member 82 and the dustproof component 722. Through the gap setting, it is possible to prevent direct compression of the material, which would cause the material to adhere to the dustproof component 722 and affect subsequent feeding. When the support member 81 moves out of the feed inlet 713 along with the partition 72b, the first power assembly 83 can move the support member 81 toward the dustproof member 722. Under the rotation of the rotating member 82, the rotating member 82 can move the material located between the rotating member 82 and the dustproof member 722, and prevent the material from being squeezed on the dustproof member 722 and causing blockage, and can also stably convey the material.

[0036] like Figures 4-6 as well as Figure 8 As shown, optionally, the first power assembly 83 includes a toothed groove 831 provided on the housing 711 and a gear 832 mounted on the rotating shaft at the end of the rotating member 82. The gear 832 meshes with the toothed groove 831, and the toothed groove 831 drives the rotating member 82 to rotate via the gear 832. The toothed groove 831 is located on the side of the gear 832 close to the drive shaft 72a, so that the rotation direction of the rotating shaft is the same as the rotation direction of the drive shaft 72a, which can prevent the rotation direction from being opposite, causing the material to be squeezed onto the dustproof member 722.

[0037] like Figures 4-6 as well as Figure 8 As shown, optionally, the second power assembly 84 includes a drive groove 841 disposed in the housing 711, and the end of the drive shaft 72a of the rotating member 82 is placed in the drive groove 841; when the support member 81 rotates with the partition 72b, the drive groove 841, through the drive shaft 72a of the rotating member 82, moves the support member 81 away from or closer to the dustproof member 722, so that the rotating member 82 does not directly squeeze the material, while slowly reducing the interval to achieve stable material conveying.

[0038] like Figures 4-5 as well as Figure 7 As shown, optionally, the feeding dust prevention mechanism 70 also includes a disc 73, which is located on both sides of the partition 72b and rotates with the partition 72b, and can prevent material from clogging the partitions 72b on both sides.

[0039] In summary, the present invention provides a mixing mill processing system that uses a drive device to alternate between a feeding device and a dust removal device, ensuring stable feeding while timely cleaning of powder from the inner wall of the discharge chamber. The drive mechanism enables separate operations for feeding and dust removal, eliminating the need for manual intervention and reducing the workload of workers.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A mixing machine processing system, characterized in that, include: The internal mixer body is used for mixing materials. The internal mixer body is provided with a discharge chamber for feeding materials and a mixing chamber for mixing materials. A feeding device is used to feed materials into the mixing chamber; A powder removal device is used to remove powder adhering to the inner wall of the discharge chamber; A drive mechanism is provided on the body of the internal mixer for driving the feeding device or the powder sweeping device; When feeding material after dust collection, the drive mechanism can replace the dust collection device with the feeding device and drive the feeding device to feed material; when dust collection is performed after feeding material, the drive mechanism can replace the feeding device with the dust collection device and drive the dust collection device to collect dust.

2. The internal mixer processing system according to claim 1, characterized in that: It also includes a conveying mechanism; The conveying mechanism is located on the body of the internal mixer and is used to convey materials to the feeding device.

3. The internal mixer processing system according to claim 2, characterized in that: The conveying mechanism includes a power component and a conveying component; After the material is placed on the conveyor, the power unit drives the conveyor to move the material to the feeding device.

4. The internal mixer processing system according to claim 2, characterized in that: The feeding device includes a receiving box and a first connector; The receiving box is placed at the end of the conveying mechanism and is used to receive the materials conveyed by the conveying mechanism; The first connector is located on one side of the receiving box, and the driving mechanism can be fixed or separated from the first connector; When feeding material, the drive mechanism is fixed to the first connector, and the drive mechanism can move the receiving box between the discharge chamber and the conveying mechanism via the first connector.

5. The internal mixer processing system according to claim 1, characterized in that: The dust removal device includes a dust removal section, a dust suction section, and a second connector; The dust removal unit is used to remove powder adhering to the inner wall of the discharge chamber; The dust suction unit is connected to the dust sweeping unit, and the dust suction unit is used to remove the swept dust. The dust sweeping part is installed on the second connector, and the drive mechanism can be fixed or separated from the second connector; When sweeping dust, the drive mechanism is fixed to the second connector, and the drive mechanism enables the dust sweeping part to move into the discharge chamber for dust sweeping.

6. A mixing machine processing system according to claim 4 or 5, characterized in that: The drive mechanism includes a first drive component and a third connector; The first drive assembly is located on the body of the internal mixer, and the third connector is located on the first drive assembly. The third connector can be fixed or separated from the first connector or the second connector.

7. The internal mixer processing system according to claim 6, characterized in that: The first drive component is a multi-axis robotic arm.

8. The internal mixer processing system according to claim 7, characterized in that: The robotic arm is one of the following: a three-axis robotic arm, a four-axis robotic arm, a five-axis robotic arm, a six-axis robotic arm, or a seven-axis robotic arm.

9. The internal mixer processing system according to claim 6, characterized in that: The third connector is a negative pressure suction cup, and the first and second connectors are suction cups; The negative pressure suction cup is fixed to the adsorption plate by negative pressure suction.

10. The internal mixer processing system according to claim 6, characterized in that: The third connector is a triangular gripper, and the first and second connectors are rods; The triangular gripper can grip the lever tightly.