Three-roller grinding machine

Abstract

The utility model discloses a three-roller grinding machine. Comprising a first supporting seat, a second supporting seat, a slow roller, a first slow roller bearing seat, a second slow roller bearing seat, a slow roller driving mechanism, a middle roller, a first middle roller bearing seat, a second middle roller bearing seat, a middle roller driving mechanism, a fast roller, a first fast roller bearing seat, a second fast roller bearing seat, a fast roller driving mechanism, a first spring, a second spring and a first pressure sensor. The device comprises a first supporting seat, a second supporting seat, a first pressure sensor, a second pressure sensor, a first sliding block, a second sliding block, a first threaded rod, a second threaded rod, a first motor and a second motor, the first slow roller bearing seat, the first middle roller bearing seat, the first fast roller bearing seat, the first sliding block and the first motor are sequentially arranged on the first supporting seat at intervals. According to the technical scheme, the problem that the grinding quality is reduced due to roller surface abrasion of an existing three-roller grinding machine is solved.

Description

Technical Field

[0001] This utility model belongs to the technical field of transmission belt equipment, specifically relating to a three-roll grinding machine. Background Technology

[0002] In industrial production, the three-roll mill plays a crucial role as an important grinding equipment, often simply referred to as a three-roll mill. It has wide applicability and is indispensable in the manufacturing processes of pastes such as paints, inks, pigments, and plastics. It can finely process various pastes, ensuring that products meet the required quality standards.

[0003] The working principle of a three-roll mill is based on its unique mechanical structure and motion. It consists of three horizontally arranged rollers: a slow roller, a medium roller, and a fast roller, with the speeds of these three rollers increasing sequentially. During operation, the grinding effect is achieved through the mutual pressing of the surfaces of the three rollers and the friction generated by the different speeds.

[0004] Specifically, the gap between the slow roller and the medium roller is relatively large. This larger gap is mainly used for the initial grinding of large particles, so that the large particles are initially refined at this stage. The gap between the medium roller and the fast roller is smaller. This smaller gap is responsible for further refining the small particles that have undergone the initial grinding.

[0005] However, some problems inevitably arise during actual use. Due to the continuous high-speed operation of the intermediate and high-speed rollers and the constant friction with the material, their surfaces gradually wear down. As the wear deepens, the originally set small gap between the intermediate and high-speed rollers increases. Once the gap increases, the shearing force between them becomes insufficient to effectively grind fine particles, ultimately affecting the grinding effect and making it impossible to produce fine slurry products that meet quality requirements. Utility Model Content

[0006] To address the aforementioned technical problems, this utility model provides a three-roll mill to solve the problem of decreased grinding quality caused by roller surface wear in existing three-roll mills. The three-roll mill provided by this utility model can adjust the shear force between the middle roller and the fast roller to ensure grinding effect over a long period of use.

[0007] This utility model discloses a three-roll grinding machine, including a first support base, a second support base, a slow roller, a first slow roller bearing seat, a second slow roller bearing seat, a slow roller drive mechanism, a middle roller, a first middle roller bearing seat, a second middle roller bearing seat, a middle roller drive mechanism, a fast roller, a first fast roller bearing seat, a second fast roller bearing seat, a fast roller drive mechanism, a first spring, a second spring, a first pressure sensor, a second pressure sensor, a first slider, a second slider, a first threaded rod, a second threaded rod, a first motor, and a second motor. The first support base and the second support base are arranged side by side with intervals. The first slow roller bearing seat, the first middle roller bearing seat, the first fast roller bearing seat, the first slider, and the first motor are sequentially and spaced apart on the first support base, and the first fast roller bearing seat can slide closer to or further away from the first middle roller bearing seat. The second slow roller bearing seat, the second middle roller bearing seat, the second fast roller bearing seat, the second slider, and the second motor are sequentially and spaced apart on the second support base, and the second fast roller bearing seat can slide closer to or further away from the first middle roller bearing seat. The second intermediate roller bearing seat is slidably positioned close to or away from the first and second intermediate roller bearing seats, respectively. The two ends of the slow roller are rotatably mounted on the first and second intermediate roller bearing seats, respectively. The slow roller drive mechanism drives the slow roller to rotate. The two ends of the intermediate roller are rotatably mounted on the first and second intermediate roller bearing seats, respectively. The intermediate roller drive mechanism drives the intermediate roller to rotate. The two ends of the fast roller are rotatably mounted on the first and second fast roller bearing seats, respectively. The fast roller drive mechanism drives the fast roller to rotate. The first fast roller bearing seat is connected to the first slider via a first spring and a first pressure sensor. The first threaded rod is connected to the first motor and is inserted into the first slider, threadedly engaging with it. The second fast roller bearing seat is connected to the second slider via a second spring and a second pressure sensor. The second threaded rod is connected to the second motor and is inserted into the first slider, threadedly engaging with it.

[0008] Furthermore, it also includes a controller, which is electrically connected to the first pressure sensor, the second pressure sensor, the first motor, and the second motor, respectively.

[0009] Furthermore, the slow roller drive mechanism, the intermediate roller drive mechanism, and the fast roller drive mechanism all include a motor and a reducer.

[0010] The three-roll mill provided by this utility model has the following beneficial effects:

[0011] Precise spacing adjustment and pressure control: The first fast roller bearing seat can slide closer to or further away from the first intermediate roller bearing seat, and the second fast roller bearing seat is similarly configured. Both are connected to the slider via a first spring, a second spring, a first pressure sensor, and a second pressure sensor, respectively. This design allows operators to precisely adjust the spacing between the intermediate and fast rollers according to the material characteristics and grinding requirements. Simultaneously, the pressure sensors provide real-time pressure data feedback, ensuring that the shear force during grinding remains optimal. This effectively avoids poor grinding results caused by spacing variations, significantly improving grinding precision and product quality.

[0012] Flexible drive and adjustment mechanism: Equipped with independent slow roller drive mechanism, medium roller drive mechanism, and fast roller drive mechanism, the rotational speed of the three rollers can be precisely controlled to meet the speed requirements of different materials and different grinding stages. Simultaneously, the first motor is threadedly engaged with the first slider via a first threaded rod, and the second motor is threadedly engaged with the second slider via a second threaded rod. This structure allows operators to easily and quickly adjust the gap between the fast roller and the medium roller, making operation simple and efficient, and improving the practicality and production efficiency of the equipment.

[0013] Real-time monitoring and feedback: The first and second pressure sensors monitor the pressure changes of the spring in real time, thus reflecting the pressure between the middle and fast rollers. If any pressure abnormality occurs, the operator can make timely adjustments to ensure the continuity and stability of the grinding process and avoid uneven material grinding or equipment malfunction due to pressure issues. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of the structure of a three-roll mill. Detailed Implementation

[0016] This utility model discloses a three-roll mill, which can adjust the shear force between the middle roller and the fast roller to ensure the grinding effect during long-term use.

[0017] The technical solutions of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, what is described is only a part of the embodiments of this utility model, and not all of the embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0018] See Figure 1 As shown, this utility model discloses a three-roll grinding machine, including a first support base 19, a second support base 14, a slow roller 17, a first slow roller bearing seat 18, a second slow roller bearing seat 15, a slow roller drive mechanism 20, a middle roller 16, a first middle roller bearing seat 21, a second middle roller bearing seat 13, a middle roller drive mechanism 22, a fast roller 12, a first fast roller bearing seat 23, a second fast roller bearing seat 9, a fast roller drive mechanism 24, a first spring 5, a second spring 7, a first pressure sensor 4, a second pressure sensor 6, a first slider 3, a second slider 8, a first threaded rod 2, a second threaded rod 10, a first motor 1, and a second motor 2. Machine 11, with the first support base 19 and the second support base 14 arranged side by side at intervals, the first slow roller bearing seat 18, the first intermediate roller bearing seat 21, the first fast roller bearing seat 23, the first slider 3 and the first motor 1 arranged sequentially at intervals on the first support base 19, and the first fast roller bearing seat 23 can slide closer to or further away from the first intermediate roller bearing seat 21. The second slow roller bearing seat 15, the second intermediate roller bearing seat 13, the second fast roller bearing seat 9, the second slider 8 and the second motor 11 arranged sequentially at intervals on the second support base 14, and the first... The two fast roller bearing seats 9 can be slidably arranged close to or far from the second intermediate roller bearing seat 13. The two ends of the slow roller 17 are rotatably mounted on the first slow roller bearing seat 18 and the second slow roller bearing seat 15, respectively. The slow roller drive mechanism 20 is used to drive the slow roller 17 to rotate. The two ends of the intermediate roller 16 are rotatably mounted on the first intermediate roller bearing seat 21 and the second intermediate roller bearing seat 13, respectively. The intermediate roller drive mechanism 22 is used to drive the intermediate roller 16 to rotate. The two ends of the fast roller 12 are rotatably mounted on the first fast roller bearing seat 23 and the second fast roller bearing seat 9, respectively. The driving mechanism 24 is used to drive the fast roller 12 to rotate. The first fast roller bearing seat 23 is connected to the first slider 3 through the first spring 5 and the first pressure sensor 4. The first threaded rod 2 is connected to the first motor 1. The first threaded rod 2 is inserted into the first slider 3 and threadedly engaged with the first slider 3. The second fast roller bearing seat 9 is connected to the second slider 8 through the second spring 7 and the second pressure sensor 6. The second threaded rod 10 is connected to the second motor 11. The second threaded rod 10 is inserted into the first slider 3 and threadedly engaged with the second slider 8.

[0019] It also includes a controller, which is electrically connected to the first pressure sensor 4, the second pressure sensor 6, the first motor 1, and the second motor 11, respectively.

[0020] The slow roller drive mechanism 20, the medium roller drive mechanism 22, and the fast roller drive mechanism 24 all include a motor and a reducer.

[0021] The three-roll mill provided by this utility model has the following beneficial effects:

[0022] Precise spacing adjustment and pressure control: The first fast roller bearing seat 23 can slide closer to or further away from the first intermediate roller bearing seat 21, and the second fast roller bearing seat 9 is similarly configured. Both are connected to the slider via the first spring 5, the second spring 7, the first pressure sensor 4, and the second pressure sensor 6, respectively. This design allows operators to precisely adjust the spacing between the intermediate roller 16 and the fast roller 12 according to the material characteristics and grinding requirements. Simultaneously, the pressure sensors provide real-time pressure data feedback, ensuring that the shear force during the grinding process remains optimal. This effectively avoids poor grinding results caused by spacing variations, significantly improving grinding accuracy and product quality.

[0023] Flexible drive and adjustment mechanism: Equipped with independent slow roller drive mechanism 20, medium roller drive mechanism 22, and fast roller drive mechanism 24, the rotational speed of the three rollers can be precisely controlled to meet the speed requirements of different materials and different grinding stages. Simultaneously, the first motor 1 is threadedly engaged with the first slider 3 via the first threaded rod 2, and the second motor 11 is threadedly engaged with the second slider 8 via the second threaded rod 10. This structure allows operators to easily and quickly adjust the distance between the fast roller 12 and the medium roller 16, making operation simple and efficient, and improving the practicality and production efficiency of the equipment.

[0024] Real-time monitoring and feedback: The first pressure sensor 4 and the second pressure sensor 6 monitor the pressure changes of the spring in real time, thus reflecting the pressure between the middle roller 16 and the fast roller 12. Once the pressure is abnormal, the operator can make timely adjustments to ensure the continuity and stability of the grinding process and avoid uneven material grinding or equipment failure caused by pressure problems.

[0025] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the protection scope of the present invention.

Claims

1. A three-roll mill, characterized in that, The system includes a first support base, a second support base, a slow roller, a first slow roller bearing housing, a second slow roller bearing housing, a slow roller drive mechanism, an intermediate roller, a first intermediate roller bearing housing, a second intermediate roller bearing housing, an intermediate roller drive mechanism, a fast roller, a first fast roller bearing housing, a second fast roller bearing housing, a fast roller drive mechanism, a first spring, a second spring, a first pressure sensor, a second pressure sensor, a first slider, a second slider, a first threaded rod, a second threaded rod, a first motor, and a second motor. The first support base and the second support base are arranged side by side with intervals. The first slow roller bearing housing, the first intermediate roller bearing housing, the first fast roller bearing housing, the first slider, and the first motor are sequentially and intervals arranged on the first support base, and the first fast roller bearing housing can slide closer to or further away from the first intermediate roller bearing housing. The second slow roller bearing housing, the second intermediate roller bearing housing, the second fast roller bearing housing, the second slider, and the second motor are sequentially and intervals arranged on the second support base, and the second fast roller bearing housing can slide relative to the second intermediate roller bearing housing. The bearing seats are positioned close to or away from the sliding arrangement. The two ends of the slow roller are rotatably mounted on the first slow roller bearing seat and the second slow roller bearing seat, respectively. The slow roller drive mechanism drives the slow roller to rotate. The two ends of the middle roller are rotatably mounted on the first middle roller bearing seat and the second middle roller bearing seat, respectively. The middle roller drive mechanism drives the middle roller to rotate. The two ends of the fast roller are rotatably mounted on the first fast roller bearing seat and the second fast roller bearing seat, respectively. The fast roller drive mechanism drives the fast roller to rotate. The first fast roller bearing seat is connected to the first slider via a first spring and a first pressure sensor. The first threaded rod is connected to the first motor and is inserted into the first slider, threadedly engaging with it. The second fast roller bearing seat is connected to the second slider via a second spring and a second pressure sensor. The second threaded rod is connected to the second motor and is inserted into the first slider, threadedly engaging with it.

2. The three-roll mill according to claim 1, characterized in that, It also includes a controller, which is electrically connected to the first pressure sensor, the second pressure sensor, the first motor, and the second motor, respectively.

3. A three-roll mill according to claim 1, characterized in that, The slow roller drive mechanism, the intermediate roller drive mechanism, and the fast roller drive mechanism all include a motor and a reducer.

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