Grinding device for raw materials in lubricating oil production

Abstract

The application discloses a kind of grinding devices of raw materials in lubricating oil production, it is related to lubricating oil production grinding technical field, including three-roll grinder body, slow roller is rotationally connected with medium speed roller and fast roller on three-roll grinder body upper end face, still include agglomerate destruction mechanism and grinding obstruction limiting mechanism, agglomerate destruction mechanism includes driving motor, driving shaft, cutting knife and fixed shaft, cutting knife is located between slow roller and medium speed roller, cutting knife upper end is fixedly connected with moving plate, moving plate both sides are all provided with U-shaped frame, U-shaped frame both sides are all fixedly connected with support frame, support frame is all fixedly connected on three-roll grinder body upper end face, U-shaped frame is all provided with U-shaped groove, can when grease raw material occurs agglomeration, driving cutting knife moves and cuts the grease of agglomeration, can destroy agglomerate in raw material, so that raw material is easier to disperse in grinding process, reduce agglomeration phenomenon, improve the dispersibility and stability of product.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of lubricating oil production grinding technology, in particular to a grinding device for raw materials in lubricating oil production. BACKGROUND

[0002] Lubricating oil is a liquid or semi-solid lubricant used on various types of vehicles and mechanical equipment to reduce friction, protect machinery and workpieces, and mainly plays the roles of lubrication, auxiliary cooling, rust prevention, cleaning, sealing, and buffering. In the production process of lubricating oil, in order to improve the performance and quality of lubricating oil, the raw materials of lubricating oil need to be ground. The ground raw material particles are finer and more uniform, which can better mix with other ingredients, thereby improving the lubricity, wear resistance, and oxidation resistance of the lubricating oil.

[0003] During the grinding of lubricating oil raw materials, the lubricating grease itself has high viscosity, and the viscosity is further enhanced during grinding, resulting in the mutual adhesion of raw material particles to form agglomerates. This agglomeration phenomenon not only leads to uneven particle size distribution of the ground material, which affects the performance of the lubricating oil, such as lubricity and stability, and causes the performance of the produced lubricating oil to fluctuate during subsequent use, but also requires a longer time to grind the agglomerates to the required fineness. During the grinding process, the agglomerates will produce a large impact force on the grinding roller, increasing the wear of the grinding roller and reducing the service life of the equipment, and significantly prolonging the entire grinding process time. In addition, the presence of agglomerates also causes more heat to be generated during the grinding process, increasing the evaporation of solvents, adversely affecting the environment, and also increasing the wear of the grinding medium, reducing the service life of the grinding medium, and further increasing production costs.

[0004] Therefore, the present application provides a grinding device for raw materials in lubricating oil production to solve the above problems. SUMMARY

[0005] (I) Technical problems solved

[0006] In view of the deficiencies of the prior art, the present application provides a grinding device for raw materials in lubricating oil production, which can effectively solve the problems in the prior art.

[0007] (II) Technical solutions

[0008] To achieve the above-mentioned purposes, the purposes of the present application can be realized by the following technical solutions:

[0009] The application discloses a raw material grinding device for lubricating oil production, which comprises a three-roller grinder body, a slow roller, a medium roller and a fast roller which are rotationally connected to the upper end surface of the three-roller grinder body, an agglomerate breaking mechanism and a grinding obstacle limiting mechanism, the agglomerate breaking mechanism comprises a driving motor, a driving shaft, a cutting knife and a fixing shaft, the cutting knife is located between the slow roller and the medium roller, the upper end of the cutting knife is fixedly connected with a moving plate, U-shaped frames are arranged on the two sides of the moving plate, the U-shaped frames are fixedly connected with support frames on the two sides, the support frames are fixedly connected to the upper end surface of the three-roller grinder body, U-shaped grooves are formed in the U-shaped frames, the moving plate is slidably connected in the two U-shaped grooves, vertical plates are fixedly connected to the center of the upper end surface of the U-shaped frames, and the agglomerate breaking mechanism is used for breaking the agglomerate formed in the grinding process of the raw material.

[0010] As a further scheme of the application, a rotating shaft is rotationally connected between the upper ends of the two vertical plates, linkage plates are fixedly connected to the two ends of the rotating shaft, through grooves are formed in the sides, away from the rotating shaft, of the linkage plates, fixing columns are slidably connected in the through grooves, and the fixing columns are fixedly connected to the side walls of the moving plate.

[0011] As a further scheme of the application, a sector gear is fixedly connected to the outer surface of the rotating shaft, a rack plate is meshingly connected to the lower end surface of the sector gear, sliding plates are fixedly connected to the two sides of the rack plate, sliding rails are arranged on the sides, away from the rack plate, of the sliding plates, the sliding rails are fixedly connected to the side walls of the vertical plates, and the sliding plates are slidably connected in the sliding rails.

[0012] As a further scheme of the application, a frame is fixedly connected to the lower end surface of the rack plate, a pushing rod is slidably connected in the frame, a pushing plate is fixedly connected to one end of the pushing rod, and the pushing plate is fixedly connected to the fixing shaft on the side, away from the pushing rod, of the fixing shaft.

[0013] As a further scheme of the application, a transmission gear is fixedly connected to the outer surface of the fixing shaft, a rotating disc is arranged below the transmission gear and fixedly connected to the outer surface of the driving shaft, the driving shaft is fixedly connected to the output end of the driving motor, the driving motor is fixedly connected to the side wall of one of the vertical plates, an arc-shaped rack is fixedly connected to the outer surface of the rotating disc, and the rotating disc is meshingly connected through the arc-shaped rack and the transmission gear.

[0014] As a further scheme of the application, a feeding port is fixedly connected to the side, close to the slow roller, of the three-roller grinder body, an outlet is fixedly connected to the side, close to the fast roller, of the three-roller grinder body, and limiting plates are symmetrically arranged on the upper end surface of the three-roller grinder body and located between the slow roller and the medium roller.

[0015] As a further scheme of the present application: the grinding resistance limiting mechanism comprises a disc fixedly connected to the outer surface of the fixed shaft, stop plates attached to both sides of the disc, sliding columns fixedly connected to the side of the stop plate away from the disc, side plates slidingly connected to the outer surface of the sliding column, and vertical plates fixedly connected to the side wall of the side plate.

[0016] As a further scheme of the present application: a horizontal plate is arranged below the disc, the horizontal plate is fixedly connected to the side wall of the vertical plate, a lifting column is slidingly connected through the horizontal plate, a fixed block is fixedly connected to the upper end of the lifting column, push plates are rotatably connected to the lower end face of the stop plate away from the fixed block.

[0017] As a further scheme of the present application: a lifting plate is fixedly connected to the lower end of the lifting column, a spring is fixedly connected to the upper end face of the lifting plate, and the end of the spring away from the lifting plate is fixedly connected to the lower end face of the horizontal plate, and the spring is sleeved on the outer surface of the lifting column.

[0018] As a further scheme of the present application: a jacking plate is arranged below the lifting plate, and the jacking plate is fixedly connected to the end of the drive shaft away from the drive motor.

[0019] (Three) beneficial effects

[0020] Compared with the prior art, the present application provides a grinding device for raw materials in lubricating oil production, which has the following beneficial effects:

[0021] 1. The agglomerate breaking mechanism can drive the cutting knife to move and cut the agglomerated lubricating grease when the lubricating grease raw material agglomerates, which not only can break the agglomerates in the raw material, make the raw material more easily dispersed in the grinding process, reduce the agglomeration phenomenon, improve the dispersibility and stability of the product, but also can ensure the performance consistency of the produced lubricating oil, avoid the performance fluctuation caused by agglomerates, further improve the quality stability of the product, and by cutting the agglomerates in advance, the load of the grinding roller in the grinding process can be reduced, the wear of the grinding roller can be reduced, the service life of the grinding roller can be prolonged, and the maintenance cost of the three-roll grinder body can be reduced.

[0022] The U-shaped groove can separate the cutting knife and the raw material when the lubricating grease raw material does not form agglomerates or the cutting knife works, which not only avoids unnecessary obstruction of the cutting knife in the grinding process, reduces the grinding path obstruction caused by the existence of the cutting knife, thereby ensuring the smooth progress of the grinding process, but also separates the cutting knife and the raw material, reduces unnecessary friction between them, and reduces the wear of the cutting knife caused by frequent contact with the raw material.

[0023] 2. Through the set arc-shaped rack and transmission gear, the cutting blade can be driven to move horizontally intermittently to cut the grease. This intermittent driving method can precisely control the timing of the cutting blade's movement, ensuring that cutting only occurs when the grease forms agglomerates, avoiding unnecessary cutting actions. Moreover, intermittent cutting reduces the possibility of over-cutting the raw material, avoiding the degradation of material properties caused by over-cutting, and ensuring the quality of the final product.

[0024] 3. The grinding obstruction limiting mechanism can fix the position of the cutting blade when it is far away from the raw material. When the cutting blade is fixed in the position, it not only reduces the risk of accidental collision with other parts or raw materials and improves the safety of the raw material during the grinding process, but also reduces the dynamic changes of the raw material during the grinding process, which helps to maintain the stability of the three-roll mill body and reduce the vibration and instability of the three-roll mill body caused by the movement of the cutting blade.

[0025] 4. By using a combination of springs and lifting plates, the limit on the cutting blade can be released before it moves, and the cutting blade can be automatically fixed after it finishes its work. This not only eliminates the need for manual intervention and improves the automation of the raw material grinding process, but also ensures that the cutting blade remains in a stable position when not in operation. Attached Figure Description

[0026] To facilitate understanding by those skilled in the art, the present invention will be further described below with reference to the accompanying drawings.

[0027] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0028] Figure 2 This is a schematic diagram of the connection structure of the upper end face of the three-roll mill body of the present invention;

[0029] Figure 3 This is a schematic diagram of the cutting blade connection structure of the present invention;

[0030] Figure 4 For the present invention Figure 3 Enlarged structural diagram of region A in the middle;

[0031] Figure 5 This is a schematic diagram of the connection structure between the rotating shaft and the fixed shaft of the present invention;

[0032] Figure 6 This is a schematic diagram of the connection structure between the drive motor and the fixed shaft of the present invention;

[0033] Figure 7 This is a schematic diagram of the connection structure between the lifting plate and the fixed shaft of the present invention;

[0034] Figure 8 For the present invention Figure 7 A magnified structural diagram of region B in the middle.

[0035] In the diagram: 1. Three-roll mill body; 2. Slow-speed roller; 3. Medium-speed roller; 4. High-speed roller; 5. Discharge port; 6. Feed port; 7. Limiting plate;

[0036] 801. U-shaped frame; 802. U-shaped channel; 803. Moving plate; 804. Support frame; 805. Fixed column; 806. Cutting blade; 807. Vertical plate; 808. Linkage plate; 809. Through slot; 810. Rotating shaft; 811. Drive motor; 812. Drive shaft; 813. Turntable; 814. Sector gear; 815. Rack plate; 816. Slide plate; 817. Slide rail; 818. Frame; 819. Lever; 820. Lever plate; 821. Fixed shaft; 822. Transmission gear; 823. Arc-shaped rack;

[0037] 901. Lifting plate; 902. Lifting plate; 903. Disc; 904. Stop plate; 905. Sliding column; 906. Side plate; 907. Horizontal plate; 908. Lifting column; 909. Spring; 910. Fixing block; 911. Push plate. Detailed Implementation

[0038] The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0039] This embodiment describes a grinding device for raw materials in lubricant production, such as... Figure 1 - Figure 8 As shown, the three-roll mill body 1 includes a slow-speed roller 2, a medium-speed roller 3, and a fast-speed roller 4 rotatably connected to the upper end face of the three-roll mill body 1. It also includes an agglomeration breaking mechanism and a grinding obstruction limiting mechanism. The agglomeration breaking mechanism includes a drive motor 811, a drive shaft 812, a cutting blade 806, and a fixed shaft 821. The cutting blade 806 is located between the slow-speed roller 2 and the medium-speed roller 3. A movable plate 803 is fixedly connected to the upper end of the cutting blade 806. U-shaped frames 801 are provided on both sides of the movable plate 803. Support frames 804 are fixedly connected to both sides of the U-shaped frames 801. The support frames 804 are fixedly connected to the upper end face of the three-roll mill body 1. U-shaped grooves 802 are opened on the U-shaped frames 801. The movable plate 803 is slidably connected in the two U-shaped grooves 802. A vertical plate 807 is fixedly connected to the center of the upper end face of the U-shaped frame 801. The agglomeration breaking mechanism is used to break the agglomerates formed by the raw materials during the grinding process.

[0040] In this embodiment, asFigure 3 As shown, a rotating shaft 810 is rotatably connected between the upper ends of the two vertical plates 807. A linkage plate 808 is fixedly connected to both ends of the rotating shaft 810. A through groove 809 is provided on the side of the linkage plate 808 away from the rotating shaft 810. A fixed column 805 is slidably connected in the through groove 809. The fixed column 805 is fixedly connected to the side wall of the movable plate 803. When the rotating shaft 810 rotates on the vertical plate 807, the fixed column 805 can be moved by the linkage plate 808 and the through groove 809 to drive the movable plate 803 to move.

[0041] In this embodiment, as Figure 5 As shown, a sector gear 814 is fixedly connected to the outer surface of the rotating shaft 810. A rack plate 815 is meshed with the lower end face of the sector gear 814. Slide plates 816 are fixedly connected to both sides of the rack plate 815. A slide rail 817 is provided on the side of the slide plate 816 away from the rack plate 815. The slide rails 817 are fixedly connected to the side wall of the vertical plate 807, and the slide plates 816 are slidably connected to the slide rails 817. When the rack plate 815 moves horizontally back and forth through the sliding connection of the slide plates 816 and the slide rails 817, it can drive the sector gear 814 to drive the rotating shaft 810 to rotate left and right back and forth.

[0042] In this embodiment, as Figure 5 As shown, a frame 818 is fixedly connected to the lower end face of the rack plate 815. A lever 819 is slidably connected inside the frame 818. A lever plate 820 is fixedly connected to one end of the lever 819. The side of the lever plate 820 away from the lever 819 is fixedly connected to a fixed shaft 821. The fixed shaft 821 is rotatably connected to the side wall of one of the vertical plates 807. When the fixed shaft 821 rotates, the lever 819 can be moved synchronously around the fixed shaft 821 by the lever plate 820, and the lever 819 can slide back and forth inside the frame 818. When the lever 819 moves, it will move the rack plate 815 horizontally back and forth through the frame 818.

[0043] In this embodiment, as Figure 5 and Figure 6 As shown, a transmission gear 822 is fixedly connected to the outer surface of the fixed shaft 821. A turntable 813 is provided below the transmission gear 822. The turntable 813 is fixedly connected to the outer surface of the drive shaft 812. The drive shaft 812 is fixedly connected to the output end of the drive motor 811. The drive motor 811 is fixedly connected to the side wall of one of the vertical plates 807. An arc-shaped rack 823 is fixedly connected to the outer surface of the turntable 813. The turntable 813 is meshed with the transmission gear 822 through the arc-shaped rack 823. When the drive motor 811 is turned on to drive the drive shaft 812 to rotate, the turntable 813 connected to the drive shaft 812 will rotate synchronously. At the same time, during the rotation of the turntable 813, the transmission gear 822 will be driven by the arc-shaped rack 823 to drive the fixed shaft 821 to rotate intermittently.

[0044] In this embodiment, as Figure 1 and Figure 2 As shown, a feeding port 6 is fixedly connected to the side of the three-roll mill body 1 near the slow roller 2, and a discharge port 5 is fixedly connected to the side of the three-roll mill body 1 near the fast roller 4. Limiting plates 7 are symmetrically arranged on the upper end face of the three-roll mill body 1. The limiting plates 7 are all located between the slow roller 2 and the medium roller 3. By setting the limiting plates 7, the raw materials can be prevented from separating from both sides and between the slow roller 2 and the medium roller 3 during the grinding process.

[0045] In existing technologies, due to the high viscosity of lubricating grease, the viscosity further increases during grinding, causing raw material particles to adhere to each other and form agglomerates. This agglomeration not only leads to uneven particle size distribution of the ground material, thus affecting the performance of the lubricating oil, such as lubricity and stability, causing performance fluctuations in the produced lubricating oil during subsequent use, but also requires a longer time to grind the agglomerates to the required fineness. During the grinding process, the agglomerates exert a greater impact force on the grinding rollers, increasing roller wear, reducing equipment lifespan, and significantly prolonging the entire grinding process time. In addition, the presence of agglomerates also leads to the generation of more heat during grinding, increasing solvent evaporation and causing adverse environmental impacts, while also increasing the wear of the grinding media. Compared with existing technologies, this method can drive the cutting blade 806 to move and cut the agglomerated grease when it agglomerates. This not only breaks down the agglomerates in the raw material, making it easier to disperse during the grinding process, reducing agglomeration, and improving the dispersibility and stability of the product, but also ensures the consistency of the performance of the produced lubricating oil by reducing the performance fluctuations caused by agglomerates, thus further improving the quality stability of the product. Furthermore, by pre-cutting the agglomerates, the number of large particles that the grinding roller needs to handle during the grinding process can be reduced, thereby reducing the load on the grinding roller, reducing wear, helping to extend the service life of the grinding roller, and reducing the maintenance cost of the three-roll mill body 1.

[0046] The U-shaped groove 802 allows the cutting blade 806 to separate from the material before the lubricating grease agglomerates or when the cutting blade 806 has finished its work. This not only avoids unnecessary obstruction of the cutting blade 806 during the grinding process and reduces the obstruction of the grinding path caused by the presence of the cutting blade 806, thus ensuring a smooth grinding process, but also reduces unnecessary friction between the cutting blade 806 and the material, thus reducing the wear caused by the cutting blade 806 due to frequent contact with the material.

[0047] At other levels, this embodiment also provides a grinding obstruction limiting mechanism for fixing the position of the cutting blade 806, such as... Figure 5 , Figure 7 and Figure 8 As shown, the grinding obstruction limiting mechanism includes a disc 903, which is fixedly connected to the outer surface of the fixed shaft 821. Stop plates 904 are attached to both sides of the disc 903. A sliding column 905 is fixedly connected to the side of the stop plate 904 away from the disc 903. A side plate 906 is slidably connected to the outer surface of the sliding column 905. The side plates 906 are fixedly connected to the side wall of the vertical plate 807.

[0048] In this embodiment, as Figure 8 As shown, a horizontal plate 907 is provided below the disc 903. The horizontal plate 907 is fixedly connected to the side wall of the vertical plate 807. A lifting column 908 is slidably connected through the horizontal plate 907. A fixing block 910 is fixedly connected to the upper end of the lifting column 908. Push plates 911 are rotatably connected to both sides of the fixing block 910. The side of the push plate 911 away from the fixing block 910 is rotatably connected to the lower end face of the stop plate 904. When the lifting column 908 slides up and down on the horizontal plate 907, the fixing block 910 and the push plate 911 can push the stop plates 904 on both sides away from or closer to the disc 903.

[0049] In this embodiment, as Figure 8 As shown, a lifting plate 901 is fixedly connected to the lower end of the lifting column 908, and a spring 909 is fixedly connected to the upper end of the lifting plate 901. The end of the spring 909 away from the lifting plate 901 is fixedly connected to the lower end of the horizontal plate 907. The spring 909 is sleeved on the outer surface of the lifting column 908. When the lifting plate 901 is subjected to force and rises, it will push the lifting column 908 to rise synchronously and squeeze the spring 909 sleeved on the outer surface of the lifting column 908. When the force on the lifting plate 901 disappears, the spring 909 can push the lifting plate 901 to automatically descend through the rebound force of the spring 909.

[0050] In this embodiment, as Figure 7 As shown, a lifting plate 902 is provided below the lifting plate 901. The lifting plate 902 is fixedly connected to the end of the drive shaft 812 away from the drive motor 811. When the drive shaft 812 drives the lifting plate 902 to rotate, the lifting plate 902 can push the lifting plate 901 to move upward.

[0051] Compared with existing technologies, the cutting blade 806 can be fixed in position when it is far away from the raw material. When the cutting blade 806 is fixed in position, it not only reduces the risk of accidental collision with other parts or raw materials and improves the safety of the raw material during the grinding process, but also reduces the dynamic changes of the raw material during the grinding process. This helps to maintain the stability of the three-roll mill body 1 and reduces the vibration and instability of the three-roll mill body 1 caused by the movement of the cutting blade 806.

[0052] The overall working process and principles involved in the above embodiments are as follows:

[0053] When grinding the raw material grease required for lubricant production, the grease is first fed through the feeding port 6 to the space between the slow roller 2 and the medium roller 3. Then, the slow roller 2, the medium roller 3 and the fast roller 4 are driven to rotate synchronously on the three-roll mill body 1. The rotation speed of the fast roller 4 is greater than that of the medium roller 3, which is greater than that of the slow roller 2. Through the mutual rotation of the slow roller 2, the medium roller 3 and the fast roller 4, the raw material can be ground. The ground raw material is collected by the scraper near the outer surface of the fast roller 4 at the discharge port 5 and discharged through the discharge port 5.

[0054] When the raw material is fed between the slow roller 2 and the medium roller 3, the rotation and grinding of the slow roller 2 and the medium roller 3, combined with the stickiness of the raw material itself, will cause the raw material to form agglomerates between the slow roller 2 and the medium roller 3. At this time, the operator only needs to drive the rotating shaft 810 to rotate between the two vertical plates 807, causing the linkage plate 808 connected to both ends of the rotating shaft 810 to swing from one side of the U-shaped frame 801 to the other side. During the swinging and fixing process of the linkage plate 808, since the linkage plate 808 has a through groove 809, and a fixed column 805 is slidably connected in the through groove 809, and the fixed column 805 is fixedly connected to the side wall of the moving plate 803, as the linkage plate 808 swings, through the through groove 809 and the fixed column 805, the moving plate 803 can be moved to slide in the U-shaped groove 802 opened on the U-shaped frame 801. The material first moves vertically downward along the U-shaped groove 802, then moves horizontally, causing the cutting blade 806 connected to the lower end of the moving plate 803 to descend and contact the agglomerated material between the slow roller 2 and the medium roller 3. This drives the cutting blade 806 to move and cut the agglomerated grease material. This not only breaks down the agglomerates in the material, making it easier to disperse during the grinding process, reducing agglomeration, and improving the dispersibility and stability of the product, but also ensures the consistency of the performance of the produced lubricating oil by reducing the formation of agglomerates, avoiding performance fluctuations caused by agglomerates, and further improving the quality stability of the product. Furthermore, by pre-cutting the agglomerates, the number of large particles that the grinding rollers need to handle during the grinding process can be reduced, thereby reducing the load on the grinding rollers, reducing wear, helping to extend the service life of the grinding rollers, and reducing the maintenance cost of the three-roll mill body 1.

[0055] After the cutting blade 806 moves horizontally to break up the agglomerated raw material, the linkage plate 808 will continue to push the moving plate 803 along the path of the U-shaped groove 802 through the through groove 809 and the fixed column 805, and slide vertically upward. This will cause the cutting blade 806 connected to the lower end face of the moving plate 803 to rise vertically and separate from the raw material between the slow roller 2 and the medium roller 3. This not only avoids unnecessary obstruction of the cutting blade 806 in the grinding process and reduces the obstruction of the grinding path caused by the presence of the cutting blade 806, thus ensuring the smooth progress of the grinding process, but also reduces unnecessary friction between the cutting blade 806 and the raw material, and reduces the wear of the cutting blade 806 caused by frequent contact with the raw material.

[0056] When the drive shaft 810 rotates to drive the cutting blade 806 to cut and break down the agglomerated raw material, the operator can turn on the drive motor 811 to drive the drive shaft 812 to rotate, causing the turntable 813 connected to the outer surface of the drive shaft 812 to rotate synchronously. During the rotation of the turntable 813, an arc-shaped rack 823 is fixedly connected to the outer surface of the turntable 813, and the turntable 813 is meshed with the upper transmission gear 822 through the arc-shaped rack 823. The transmission gear 822 is fixedly connected to the solid... On the fixed shaft 821, when the turntable 813 rotates, the fixed shaft 821 can be rotated by the meshing connection between the arc rack 823 and the transmission gear 822. When the arc rack 823 and the transmission gear 822 connected to the outer surface of the disc 903 are separated, the transmission gear 822 will not be able to rotate continuously (it should be noted that the arc rack 823 rotates the transmission gear 822 by half a turn), thus enabling the fixed shaft 821 connected to the transmission gear 822 to rotate intermittently.

[0057] When the fixed shaft 821 rotates half a turn intermittently, the fixed shaft 821 drives the lever 819 to rotate intermittently from the fixed shaft 821 to the other side via the connected lever plate 820. Since the lever 819 is slidably connected to the frame 818, and the frame 818 is fixedly connected to the lower end face of the rack plate 815, and the rack plate 815 is slidably connected to the slide plates 816 and slide rails 817 on both sides, when the lever 819 moves intermittently from one side to the other, it will slide synchronously within the frame 818. At the same time, the frame 818 moves the rack plate 815, causing the slide plates 816 on both sides of the rack plate 815 to slide synchronously from one side of the slide rail 817 to the other side, so that the rack plate 815 moves intermittently left and right horizontally back and forth. During the process, the rack plate 815 will drive the sector gear 814 connected above to rotate intermittently left and right, thereby driving the rotating shaft 810 connected to the sector gear 814 to rotate left and right between the two vertical plates 807. This will drive the linkage plate 808 connected to both ends of the rotating shaft 810 to swing intermittently left and right, thereby intermittently driving the cutting blade 806 to move horizontally to cut the grease. This intermittent driving method can precisely control the movement timing of the cutting blade 806, ensuring that cutting only occurs when the grease forms agglomerates, avoiding unnecessary cutting actions. Moreover, intermittent cutting reduces the possibility of over-cutting the raw material, avoiding the degradation of material properties caused by over-cutting, and ensuring the quality of the final product.

[0058] During the rotation of the turntable 813 driven by the drive shaft 812, the lifting plate 902 connected to the end of the drive shaft 812 away from the drive motor 811 will rotate synchronously. Before the arc-shaped rack 823 and transmission gear 822 connected to the outer surface of the turntable 813 come into contact, the lifting plate 902 will first contact the lower end face of the lifting plate 901 set above, and push the lifting plate 901 to rise, so that the lifting plate 901 drives the lifting column 908 to slide upward synchronously on the horizontal plate 907, while compressing the spring 909 connected between the lifting plate 901 and the horizontal plate 907. During the rise of the lifting column 908, due to the fixed block 910 connected to the upper end of the lifting column 908, push plates 911 are rotatably connected to both sides of the fixed block 910. The side of the push plate 911 away from the fixed block 910 is rotatably connected to the lower end face of the stop plate 904, and the stop plate 904 is slidably connected to the side plate 906 via the sliding column 905. Therefore, as the lifting column 908 rises, the fixed block 910 connected to the upper end of the lifting column 908 can push the lower ends of the push plates 911 on both sides to move upward synchronously, causing the push plates 911 to move from an inclined position to a horizontal position. During the change of state of the push plates 911, the two stop plates 904 can be pushed to move horizontally away from the disc 903, and the sliding column 905 can be pushed to slide on the side plate 906. When the stop plate 904 and the disc 903 are separated, since the disc 903 is fixedly connected to the outer surface of the fixed shaft 821, the stop plate 904 will release the fixed block 821 via the disc 903. When the shaft 821 is stopped, the arc-shaped rack 823 connected to the outer surface of the disc 903 will drive the transmission gear 822 to rotate the fixed shaft 821. When the drive shaft 812 rotates and causes the arc-shaped rack 823 and the transmission gear 822 to separate, the lifting plate 902 connected to the drive shaft 812 will also separate from the lower end face of the lifting plate 901. After the force is removed, the spring 909 connected between the lifting plate 901 and the horizontal plate 907 will push the lifting plate 901 to automatically descend away from the horizontal plate 907. At the same time, the lifting plate 901, through the fixed block 910 and the push plate 911, pulls the two stop plates 904 to slide closer to each other and fit against the disc 903, thus limiting the disc 903 and preventing the disc 903 from being stopped. When the fixed shaft 821 rotates, and after the fixed shaft 821 is limited, the fixed shaft 821 can fix the position of the cutting blade 806 through the lever 820, lever 819, frame 818, rack plate 815, sector gear 814, rotating shaft 810, linkage plate 808, through groove 809, fixed column 805 and moving plate 803. When the cutting blade 806 is fixed in the position, it not only reduces the risk of accidental collision with other parts or raw materials and improves the safety of the raw materials during the grinding process, but also reduces the dynamic changes of the raw materials during the grinding process, which helps to maintain the stability of the three-roll mill body 1 and reduce the vibration and instability factors of the three-roll mill body 1 caused by the movement of the cutting blade 806.

[0059] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A grinding device for raw materials in lubricant production, comprising a three-roll mill body (1), wherein a slow-speed roller (2), a medium-speed roller (3), and a fast-speed roller (4) are rotatably connected to the upper end face of the three-roll mill body (1), characterized in that, It also includes an aggregate breaking mechanism and a grinding obstacle limiting mechanism; The agglomerate breaking mechanism includes a drive motor (811), a drive shaft (812), a cutting blade (806), and a fixed shaft (821). The cutting blade (806) is located between the slow-speed roller (2) and the medium-speed roller (3). A movable plate (803) is fixedly connected to the upper end of the cutting blade (806). U-shaped frames (801) are provided on both sides of the movable plate (803). Support frames (804) are fixedly connected to both sides of the U-shaped frames (801). The support frames (804) are fixedly connected to the upper end face of the three-roll mill body (1). U-shaped grooves (802) are opened on the U-shaped frames (801). The movable plate (803) is slidably connected in the two U-shaped grooves (802). A vertical plate (807) is fixedly connected to the center of the upper end face of the U-shaped frame (801). A rotating shaft (810) is rotatably connected between the upper ends of the two vertical plates (807). A linkage plate (808) is fixedly connected to both ends of the rotating shaft (810). A through groove (809) is opened on the side of the linkage plate (808) away from the rotating shaft (810). A fixed column (805) is slidably connected in the through groove (809). The fixed column (805) is fixedly connected to the side wall of the moving plate (803). A sector gear (814) is fixedly connected to the outer surface of the rotating shaft (810). A rack plate (815) is meshed with the lower end face of the sector gear (814). 15) Slide plates (816) are fixedly connected to both sides. Slide plates (816) are provided with slide rails (817) on the side away from the rack plate (815). The slide rails (817) are fixedly connected to the side wall of the vertical plate (807), and the slide plates (816) are slidably connected to the slide rails (817). A frame (818) is fixedly connected to the lower end face of the rack plate (815). A lever (819) is slidably connected inside the frame (818). A lever plate (820) is fixedly connected to one end of the lever (819). The side of the lever plate (820) away from the lever (819) is fixedly connected to a fixed shaft (821). The fixed shaft (821) is rotatably connected to one of the vertical plates (807). 07) On the side wall, a transmission gear (822) is fixedly connected to the outer surface of the fixed shaft (821). A turntable (813) is provided below the transmission gear (822). The turntable (813) is fixedly connected to the outer surface of the drive shaft (812). The drive shaft (812) is fixedly connected to the output end of the drive motor (811). The drive motor (811) is fixedly connected to the side wall of one of the vertical plates (807). An arc-shaped rack (823) is fixedly connected to the outer surface of the turntable (813). The turntable (813) is meshed with the transmission gear (822) through the arc-shaped rack (823). The agglomerate breaking mechanism is used to break the agglomerates formed by the raw materials during the grinding process. The grinding obstruction limiting mechanism is used to fix the position of the cutting blade (806).

2. The grinding device for raw materials in lubricant production according to claim 1, characterized in that, The three-roll mill body (1) is fixedly connected to a feeding port (6) on the side near the slow roller (2), and a discharge port (5) is fixedly connected to the side near the fast roller (4). The upper end face of the three-roll mill body (1) is symmetrically provided with a limiting plate (7), and the limiting plate (7) is located between the slow roller (2) and the medium-speed roller (3).

3. The grinding device for raw materials in lubricant production according to claim 1, characterized in that, The grinding obstruction limiting mechanism includes a disc (903), which is fixedly connected to the outer surface of the fixed shaft (821). Stop plates (904) are attached to both sides of the disc (903). A sliding column (905) is fixedly connected to the side of the stop plate (904) away from the disc (903). A side plate (906) is slidably connected to the outer surface of the sliding column (905). The side plate (906) is fixedly connected to the side wall of the vertical plate (807).

4. The grinding device for raw materials in lubricating oil production according to claim 3, characterized in that, A horizontal plate (907) is provided below the disc (903). The horizontal plate (907) is fixedly connected to the side wall of the vertical plate (807). A lifting column (908) is slidably connected through the horizontal plate (907). A fixing block (910) is fixedly connected to the upper end of the lifting column (908). Push plates (911) are rotatably connected to both sides of the fixing block (910). The side of the push plate (911) away from the fixing block (910) is rotatably connected to the lower end face of the stop plate (904).

5. The grinding device for raw materials in lubricating oil production according to claim 4, characterized in that, The lower end of the lifting column (908) is fixedly connected to the lifting plate (901), and the upper end of the lifting plate (901) is fixedly connected to the spring (909). The end of the spring (909) away from the lifting plate (901) is fixedly connected to the lower end of the horizontal plate (907), and the spring (909) is sleeved on the outer surface of the lifting column (908).

6. The grinding apparatus for raw materials in lubricating oil production according to claim 5, characterized in that, A lifting plate (902) is provided below the lifting plate (901), and the lifting plate (902) is fixedly connected to the end of the drive shaft (812) away from the drive motor (811).

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