Grinding pretreatment device for preparing open gear lubricant

Abstract

The invention discloses a grinding pretreatment device for preparing an open gear lubricant in the technical field of lubricant grinding pretreatment, the grinding pretreatment device comprises a pretreatment barrel and a mixing barrel, the pretreatment barrel comprises: a barrel body mounted at the top of the mixing barrel; the material storage cavity is used for storing raw materials; the grinding part is rotationally arranged in the middle of the barrel body and used for grinding raw materials, and a discharging opening is formed between the outer side of the top of the grinding part and the storage cavity; the scattering part is rotationally arranged at the bottom of the barrel body, the top of the scattering part communicates with the discharging opening, the scattering part is used for scattering raw material powder, and the height can be adjusted according to the gravity of the powder; the driving mechanism is mounted in the barrel body and is used for driving the scattering part and the grinding part to rotate; the speed regulating mechanism is mounted between the throwing part and the grinding part; according to the invention, the additive raw material can be used after being ground, and the rotating speed of the grinding part and the powder discharging speed can be adjusted in real time according to the weight of the powder on the scattering part, so that the powder retention time is shortened, the influence of external factors on the powder is reduced, and the quality of the lubricating oil is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of lubricant grinding pretreatment, and specifically relates to a grinding pretreatment device for preparing open-gear lubricant. Background Art

[0002] Gear transmission is divided into three types, namely open type, semi-open type and closed type. Open-gear transmission has no dust cover or casing and is mainly applied to simple mechanical equipment.

[0003] During the preparation of lubricating oil, powdered additives are added to crude oil and stirred evenly. Since open-gear lubricating oil needs to have good adhesion, the open-gear lubricating oil is sprinkled with additives into the crude oil in a slow addition manner to ensure that the additives can be distributed in the crude oil faster and more evenly. Some raw materials in the additives need to be pretreated in advance, such as graphite, molybdenum disulfide for heavy loads, etc. The lumpy or small-particle raw materials need to be ground into powders with appropriate particle sizes. The existing method is to grind the raw materials into powders in advance, store the powders, and take them out when needed. However, the storage conditions for powdered additives are extremely harsh. If the storage conditions are improper (such as too high temperature, too high humidity, being pressed, etc.), caking may occur. The caked powder added to the crude oil will directly reduce the quality of the lubricating oil. Summary of the Invention

[0004] The technical problem of the present invention is to provide a grinding pretreatment device for preparing open-gear lubricant, in which the additive raw materials are ground and used immediately, and the rotation speed of the grinding part can be adjusted in real time according to the weight of the powder on the sprinkling part, reducing the residence time of the powder, reducing the influence of external factors on the powder, and improving the quality of the lubricating oil.

[0005] To achieve the above object, the present invention provides the following technical solution: A grinding pretreatment device for preparing open-gear lubricant, including a pretreatment barrel and a mixing barrel. The pretreatment barrel includes: A barrel body, installed on top of the mixing barrel; A storage cavity, located at the top of the barrel body, for storing raw materials; A grinding part, rotatably arranged in the middle of the barrel body, for grinding raw materials. There is a discharge port between the outer side of the top of the grinding part and the storage cavity; A sprinkling part, rotatably arranged at the bottom of the barrel body, and the top is communicated with the discharge port. The sprinkling part is used for sprinkling raw material powder and can adjust the height according to the powder gravity; A driving mechanism, installed in the barrel body, for driving the sprinkling part and the grinding part to rotate; A speed regulating mechanism, installed between the sprinkling part and the grinding part, which can adjust the rotation speed of the grinding part according to the height of the sprinkling part and adjust the powder discharge speed.

[0006] As a further solution of the present invention, two swing components are installed between the grinding part and the driving mechanism. The swing components are distributed in a circumferential array around the axis of the barrel, and the driving mechanism alternately drives the grinding part to continuously rotate through the two swing components; Each of the swing components includes: A swing rod, the middle part of which is installed on the speed regulating mechanism, and the outer end is used to drive the grinding part to rotate; An adjusting shaft, the side wall of which is slidably arranged with the swing rod through a chute, and a speed regulating mechanism is installed at the bottom; the speed regulating mechanism changes the turning point position of the swing rod, adjusts the swing amplitude of the swing rod, and adjusts the rotation speed of the grinding part by moving the adjusting shaft; A synchronizing member, which is arranged between the swing rod and the grinding part, and the inner end is rotatably arranged at the outer end of the swing rod and can rotate around the axis of the grinding part to intermittently drive the grinding part to rotate; The inner ends of the two swing rods are jointly slidably arranged with an eccentric shaft through a chute, and an eccentric member arranged on the driving mechanism is installed at the bottom of the eccentric shaft.

[0007] As a further solution of the present invention, tooth grooves arranged in a circumferential array are opened at the inner end of the grinding part, and each of the synchronizing members includes: A synchronizing frame, the inner end of which is rotatably arranged at the outer side of the swing rod; A limiting shaft, which is installed at the bottom of the synchronizing frame and is used to limit the radial movement of the synchronizing frame; A slide rail, which is installed inside the barrel and is slidably matched with the limiting shaft; A synchronizing pawl, which is rotatably arranged on the synchronizing frame through a torsion spring and can cooperate with the tooth groove to drive the grinding part to rotate.

[0008] As a further solution of the present invention, the driving mechanism includes: A driving shaft, which is installed inside the barrel through a bracket. The driving shaft is axially slidably arranged with the spreading part through a key and is used to drive the spreading part and the eccentric member to rotate simultaneously; A driving motor, which is installed inside the barrel and drives the driving shaft to rotate through a transmission belt.

[0009] As a further solution of the present invention, there are two speed regulating mechanisms, and each of the speed regulating mechanisms includes: A mounting plate, which is installed at the bottom of the adjusting shaft, and a return spring is installed between the mounting plate and the barrel; A speed regulating frame, which is axially slidably arranged with the barrel and is used to drive the mounting plates on both sides to move in the opposite direction; A cross bar, which is rotatably arranged inside the barrel, and the spreading part drives the speed regulating frame to move through the cross bar to change the position of the mounting plate.

[0010] As a further solution of the present invention, a rotating ring is rotatably arranged on the spreading part, two connecting rods are fixedly arranged on the top of the rotating ring, both ends of each cross rod are rotatably arranged with the barrel body and the connecting rod respectively, sliding grooves are arranged in the middle and at one end close to the connecting rod of the cross rod, and the middle of the cross rod is slidably arranged with the speed regulating frame through the sliding groove.

[0011] As a further solution of the present invention, the spreading part includes a rotating part and a lifting part, the rotating part is rotatably arranged at the bottom of the barrel body, and the rotating part and the lifting part are slidably arranged and provided with an elastic member therebetween.

[0012] As a further solution of the present invention, a guiding slope and a grinding slope are arranged on the top of the grinding part, and the width between the guiding slope and the barrel body gradually decreases from top to bottom.

[0013] As a further solution of the present invention, a differential is arranged between the driving shaft and the eccentric member.

[0014] Compared with the prior art, the beneficial effects of the present invention are as follows: In the present invention, the grinding part controls the speed of grinding raw materials, and the ground powder raw materials are sprinkled into the crude oil through the spreading part for direct mixing, which can continuously and slowly sprinkle the raw material powder into the crude oil, realizing immediate grinding and use without long-term storage, reducing the influence of the powder raw materials by the outside world, and improving the quality of lubricating oil; and by controlling the rotation speed of the grinding part according to the amount of powder on the spreading part, controlling the grinding speed and the powder increment on the spreading part, so that there is always a small amount of powder on the spreading part, which can realize immediate grinding and use, and the ground powder is immediately mixed with the crude oil, greatly reducing the contact time of the raw materials in powder state with the outside world, further reducing the influence of the raw materials in powder state by external factors, resulting in changes in the physical form and chemical state of the raw materials, such as caking, humidity change, oxidation, etc. At the same time, it avoids the interruption of sprinkling or excessive sprinkling amount, resulting in uneven sprinkling of raw materials and prolonging the raw material mixing time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can be obtained according to these drawings without creative efforts.

[0016] Figure 1 is the overall structural schematic diagram of the present invention; Figure 2 is the overall sectional structural schematic diagram of the present invention; Figure 3 is the present invention Figure 2 the enlarged structural schematic diagram at A in; Figure 4Schematic diagram of the overall sectional structure of the pretreatment barrel of the present invention; Figure 5 For the present invention Figure 4 Schematic diagram of the enlarged structure at position B in the present invention; Figure 6 For the present invention Figure 4 Schematic diagram of the enlarged structure at position C in the present invention; Figure 7 Schematic diagram of the sectional structure of the grinding part of the present invention and its connection relationship; Figure 8 Schematic diagram of the movement track of the swing component of the present invention; Figure 9 Schematic diagram of the change of the movement track of the swing component by the adjusting shaft of the present invention; Figure 10 Schematic diagram of the sectional structure of the barrel body of the present invention; Figure 11 For the present invention Figure 10 Schematic diagram of the enlarged structure at position D in the present invention; Figure 12 Schematic diagram of the movement track of the speed regulating mechanism of the present invention; Reference numerals: 1, pretreatment barrel; 2, barrel body; 21, storage cavity; 22, grinding part; 23, discharge port; 24, spreading part; 25, rotating part; 26, lifting part; 27, elastic part; 3, driving mechanism; 31, driving shaft; 32, driving motor; 4, speed regulating mechanism; 41, mounting plate; 42, return spring; 43, speed regulating frame; 44, cross bar; 45, connecting rod; 46, rotating ring; 5, swing component; 51, swing rod; 52, adjusting shaft; 53, eccentric part; 54, eccentric shaft; 6, synchronizing part; 61, tooth groove; 62, synchronizing frame; 63, limiting shaft; 64, slide rail; 65, synchronizing pawl; 7, mixing barrel. Detailed implementation manners

[0017] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts belong to the scope of protection of the present invention.

[0018] Please refer to Figures 1 - 12 , the present invention provides a technical solution: a grinding pretreatment device for preparing an open gear lubricant, including a pretreatment barrel 1 and a mixing barrel 7. The pretreatment barrel 1 includes: The barrel body 2 is installed on the top of the mixing barrel 7; The storage cavity 21 is located at the top of the barrel body 2 and is used for storing raw materials; The grinding part 22 is rotatably disposed in the middle of the barrel 2 and is used to grind the raw materials. A discharge port 23 is disposed between the outer side of the top of the grinding part 22 and the material storage chamber 21; The scattering part 24 is rotatably disposed at the bottom of the barrel 2, and the top is connected to the discharge port 23. The scattering part 24 is used to scatter the raw material powder, and the height can be adjusted according to the gravity of the powder; The driving mechanism 3 is installed in the barrel body 2 and is used to drive the throwing part 24 and the grinding part 22 to rotate; The speed regulating mechanism 4 is installed between the scattering part 24 and the grinding part 22, and can adjust the rotation speed of the grinding part 22 according to the height of the scattering part 24, thereby adjusting the powder discharge speed; Specifically, a suitable weight of raw material to be ground is weighed, and the weighed raw material is poured into the storage chamber 21 from the top of the barrel body 2. The raw material enters the grinding part 22 from the bottom of the storage chamber 21. The particle size of the raw material is much larger than the discharge port 23, and the raw material cannot flow out from the discharge port 23. The raw material is accumulated between the grinding part 22 and the barrel body 2. The grinding part 22 is driven to rotate by the driving mechanism 3, and a relative displacement occurs between the grinding part 22 and the barrel body 2. Large particles of raw material are continuously ground between the grinding part 22 and the barrel body 2 until the particle size of the raw material is smaller than the opening size of the discharge port 23, and the small particles of raw material are ground into powder. The powder material finally passes through the discharge port 23 and is guided to the scattering part 24 by the channel. The powder material falls on the scattering part 24. The scattering part 24 rotates at a constant speed under the action of the driving mechanism 3. Under the action of centrifugal force, the powder material gradually moves from the inside of the scattering part 24 to the outside until it is separated from the scattering part 24 and scattered into the mixing barrel 7. The large-particle raw material can be ground and immediately sprinkled into the mixing barrel 7, and the powder can be continuously and slowly sprinkled into the mixing barrel 7. It can be used immediately after grinding without long-term storage, which can reduce the influence of the powder material on the outside and improve the quality of the lubricating oil. When the powder on the scattering part 24 continues to increase (i.e., the amount of powder falling into the scattering part 24 through the discharge port 23 is greater than the amount of powder scattered from the scattering part 24), the amount of powder on the scattering part 24 gradually increases, and the scattering part 24 descends under the action of the gravity of the powder. The speed regulating mechanism 4 adjusts the rotation speed of the grinding part 22 in real time according to the descending height of the scattering part 24 (at this time, the rotation speed of the grinding part 22 is slowed down). As the rotation speed of the grinding part 22 decreases, the grinding speed of the grinding part 22 for large-particle raw materials decreases, and the powder that can pass through the discharge port 23 is reduced; combined with Figure 10 and Figure 11, since the rotation speed of the scattering part 24 is constant (in this embodiment, the means for constant rotation speed is to control the output rotation speed of the drive motor 32), that is, the scattering speed remains unchanged, and at the same time, the amount of powder falling into the scattering part 24 decreases due to the decrease in the rotation speed of the grinding part 22. Therefore, the amount of powder thrown by the scattering part 24 is greater than the powder feeding amount, so that the amount of raw materials accumulated on the scattering part 24 gradually decreases. On the contrary, when the rotation speed of the grinding part 22 increases, the amount of raw materials accumulated on the scattering part 24 gradually increases; in summary, by controlling the rotation speed of the grinding part 22 through the weight of the powder accumulated on the scattering part 24, the grinding speed and the increment of the powder on the scattering part 24 are indirectly controlled, so that there is always a small amount of powder on the scattering part 24, which can achieve immediate use after grinding. The ground powder is immediately mixed with the crude oil, greatly reducing the contact time of the raw materials in powder form with the outside world, further reducing the influence of external factors on the raw materials in powder form, resulting in changes in the physical form and chemical state of the raw materials, such as caking, humidity change, oxidation, etc. At the same time, it avoids the interruption of scattering or excessive scattering amount, resulting in uneven scattering of raw materials and prolonging the mixing time of raw materials.

[0019] As a further solution of the present invention, two swing components 5 are installed between the grinding part 22 and the drive mechanism 3. The swing components 5 are distributed in a circumferential array around the axis of the barrel 2, and the drive mechanism 3 alternately drives the grinding part 22 to rotate continuously through the two swing components 5; Each swing component 5 includes: A swing rod 51, the middle part of which is installed on the speed regulating mechanism 4, and the outer end is used to drive the grinding part 22 to rotate; An adjusting shaft 52, the side wall of which is slidably arranged with the swing rod 51 through a chute, and the bottom is installed with a speed regulating mechanism 4; the speed regulating mechanism 4 changes the rotation point position of the swing rod 51, adjusts the swing amplitude of the swing rod 51 and adjusts the rotation speed of the grinding part 22 by moving the adjusting shaft 52; A synchronizing member 6, which is arranged between the swing rod 51 and the grinding part 22, and the inner end is rotatably arranged at the outer end of the swing rod 51 and can rotate around the axis of the grinding part 22 to intermittently drive the grinding part 22 to rotate; The inner ends of the two swing rods 51 are jointly slidably arranged with an eccentric shaft 54 through a chute, and the bottom of the eccentric shaft 54 is installed with an eccentric member 53 arranged on the drive mechanism 3; Specifically, referring to Figure 4 、 Figure 5 and Figure 8 , as the eccentric member 53 rotates with the drive mechanism 3, the eccentric member 53 drives the inner end of the swing rod 51 to move through the eccentric shaft 54. The adjusting shaft 52 limits the middle part of the swing rod 51, so that the outer end of the swing rod 51 swings. The outer end of the swing rod 51 drives the synchronizing member 6 to rotate around the axis of the grinding part 22, and the synchronizing member 6 intermittently drives the grinding part 22 to rotate. The synchronizing member 6 on the other side resets, and the two synchronizing members 6 alternately drive the grinding part 22 to rotate, realizing the continuous rotation of the grinding part 22; When the powder on the spreading part 24 continuously increases, the adjusting shaft 52 is moved outward from the barrel body 2 through the speed regulating mechanism 4. Refer to Figure 9 , the swinging amplitude of the swing rod 51 decreases. Since the driving mechanism 3 drives the eccentric part 53 to rotate at a constant speed, the time t of the single swinging interval at the inner end of the swing rod 51 is the same (that is, the time taken for the eccentric shaft 54 to rotate from the solid line state to the dotted line state). When the adjusting shaft 52 moves outward from the barrel body 2, the swinging amplitude of the swing rod 51 decreases, and the moving distance of the outer end of the swing rod 51 shortens (that is, s2 < s1, according to the formula ), the moving distance of the outer end of the swing rod 51 within the same time decreases as the moving distance of the adjusting shaft 52 outward from the barrel body 2 increases. Therefore, the moving speed of the synchronizing part 6 at the outer end of the swing rod 51 decreases, realizing that the more powder accumulates on the spreading part 24, the slower the rotating speed of the grinding part 22; on the contrary, the less powder accumulates on the spreading part 24, the faster the rotating speed of the grinding part 22. Furthermore, the grinding speed of the grinding part 22 is adjusted in real time according to the weight of the material falling on the spreading part 24, reducing the powder accumulation and residence time; thereby reducing the influence of external factors on the raw material in powder state.

[0020] As a further solution of the present invention, tooth grooves 61 arranged in a circumferential array are provided at the inner end of the grinding part 22. Each synchronizing part 6 includes: A synchronizing frame 62, the inner end of which is rotatably arranged on the outer side of the swing rod 51; A limiting shaft 63, installed at the bottom of the synchronizing frame 62 for restricting the radial movement of the synchronizing frame 62; A slide rail 64, installed inside the barrel body 2 and slidably matched with the limiting shaft 63; A synchronizing pawl 65, rotatably arranged on the synchronizing frame 62 through a torsion spring and capable of cooperating with the tooth groove 61 to drive the grinding part 22 to rotate; the synchronizing pawl 65 is attached to the inner side wall of the grinding part 22 through a torsion spring; Specifically, refer to Figure 2 and Figure 3 , the outer end of the swing rod 51 drives the synchronizing frame 62 to move, and the limiting shaft 63 on the synchronizing frame 62 moves synchronously. The slide rail 64 radially limits the synchronizing frame 62 through the limiting shaft 63, enabling the synchronizing frame 62 to only rotate axially. The synchronizing frame 62 drives the synchronizing pawl 65 to rotate, and the synchronizing pawl 65 enters the tooth groove 61 and drives the grinding part 22 to rotate through the tooth groove 61; When the swing rod 51 rotates in the reverse direction, the synchronizing pawl 65 moves in the reverse direction with the synchronizing frame 62 and rotates into the synchronizing frame 62, and at the same time disengages from the tooth groove 61. The two synchronizing frames 62 rotate in the reverse direction. When one synchronizing frame 62 drives the grinding part 22 to rotate through the synchronizing pawl 65, the other synchronizing frame 62 drives the synchronizing pawl 65 to rotate in the reverse direction with the grinding part 22; realizing that a single swinging assembly 5 intermittently drives the grinding part 22 to rotate.

[0021] As a further solution of the present invention, the driving mechanism 3 includes: A driving shaft 31, which is installed in the barrel body 2 through a bracket. The driving shaft 31 is axially slidably arranged with the spreading part 24 through a key, and is used to drive the spreading part 24 and the eccentric part 53 to rotate simultaneously; A driving motor 32, which is installed in the barrel body 2 and drives the driving shaft 31 to rotate through a transmission belt. The transmission belt includes, but is not limited to, the cooperation of a chain and a gear, and the cooperation of a belt and a pulley; Specifically, referring to Figure 7 , the output shaft of the driving motor 32 drives the driving shaft 31 to rotate through a transmission belt. The driving shaft 31 drives the spreading part 24 to rotate through a key, realizing the spreading of the powder material; and drives the eccentric part 53 to rotate, realizing the rotation of the eccentric shaft 54, thereby realizing the swing of the swing assembly 5 and the rotation of the grinding part 22.

[0022] As a further solution of the present invention, there are two speed regulating mechanisms 4, and each speed regulating mechanism 4 includes: A mounting plate 41, which is installed at the bottom of the adjusting shaft 52 and is provided with a return spring 42 between it and the barrel body 2; A speed regulating frame 43, which is axially slidably arranged with the barrel body 2 and is used to drive the mounting plates 41 on both sides to move in the opposite direction; A cross bar 44, which is rotatably arranged in the barrel body 2. The spreading part 24 drives the speed regulating frame 43 to move through the cross bar 44, changing the position of the mounting plate 41; Specifically, referring to Figure 4 , Figure 5 , Figure 7 and Figure 12 , when the spreading part 24 descends, the spreading part 24 drives the speed regulating frame 43 to descend through the cross bar 44, causing the mounting plates 41 to move in the opposite direction to both sides (i.e., the mounting plates 41 move away from each other). The adjusting shaft 52 moves synchronously with the mounting plate 4, realizing the change of the rotation point position of the swing rod 51, adjusting the swing amplitude of the swing rod 51, and adjusting the rotation speed of the grinding part 22.

[0023] As a further solution of the present invention, a rotating ring 46 is rotatably arranged on the spreading part 24. Two connecting rods 45 are fixedly arranged at the top of the rotating ring 46. Both ends of each cross bar 44 are respectively rotatably arranged with the barrel body 2 and the connecting rod 45. Chute grooves are arranged in the middle and at one end close to the connecting rod 45 of the cross bar 44. The middle of the cross bar 44 is slidably arranged with the bottom of the speed regulating frame 43 through the chute groove; Specifically, referring to Figure 4 , Figure 5 , Figure 7 and Figure 12 , the rotating ring 46 can move up and down along with the spreading part 24 fixedly arranged thereon. When the spreading part 24 descends under the action of the powder gravity, the rotating ring 46 descends and drives the end of the cross bar 44 in contact with it through the connecting rod 45 (i.e., Figure 12The end of the middle crossbar 44 close to the arrow descends, and the whole crossbar 44 rotates around the hinge point with the barrel body 2 (i.e., Figure 12 the end of the middle crossbar 44 away from the arrow), and the middle part of the crossbar 44 drives the speed regulating frame 43 to descend along the axial direction of the barrel body 2 through the sliding groove. The speed regulating frame 43 drives the mounting plate 41 to move towards both sides of the barrel body 2 through the inclined grooves at both ends (see Figure 5 ), realizes changing the rotation point position of the swing rod 51, adjusting the swing amplitude of the swing rod 51 and adjusting the rotation speed of the grinding part 22; at the same time, the crossbar 44 is a labor-saving lever, which can amplify the gravitational potential energy of the powder raw material and transmit it to the speed regulating frame 43, increasing the sensitivity of the rotation speed adjustment of the grinding part 22.

[0024] As a further solution of the present invention, the spreading part 24 includes a rotating part 25 and a lifting part 26. The rotating part 25 is rotatably arranged at the bottom of the barrel body 2, and a sliding arrangement and an elastic member 27 are provided between the rotating part 25 and the lifting part 26; the rotating ring 46 rotates relative to the lifting part 26; Specifically, when the material falls on the spreading part 24, first the powder falls on the lifting part 26, causing the lifting part 26 to descend relative to the rotating part 25 and stretch the elastic member 27. On the one hand, the elastic member 27 is used for the reset of the lifting part 26. At the same time, it can also lift the speed regulating mechanism 4 upward through the lifting part 26 and the rotating ring 46, so that the crossbar 44 can be reset and share the pressure of the return spring 42.

[0025] As a further solution of the present invention, a guide material bevel and a grinding bevel are provided at the top of the grinding part 22, and the width between the guide material bevel and the barrel body 2 gradually decreases from top to bottom; Specifically, the particle size of the material gradually decreases from top to bottom until the powder particle size meets the requirements and falls into the spreading part 24 from the discharge port 23.

[0026] As a further solution of the present invention, a differential is provided between the drive shaft 31 and the eccentric member 53; the differential adjusts the speed difference between the grinding part 22 and the spreading part 24, so that both the grinding part 22 and the spreading part 24 can be adjusted to a suitable speed range.

Claims

1. A grinding pretreatment device for preparing an open gear lubricant, comprising a pretreatment barrel (1) and a mixing barrel (7), characterized in that: The preprocessing barrel (1) includes: A barrel body (2), installed on the top of the mixing barrel (7); A storage cavity (21), located at the top of the barrel body (2) for storing raw materials; A grinding part (22), rotatably arranged in the middle of the barrel body (2) for grinding raw materials. There is a discharge port (23) between the outer side of the top of the grinding part (22) and the storage cavity (21); A spreading part (24), rotatably arranged at the bottom of the barrel body (2), and the top is communicated with the discharge port (23). The spreading part (24) is used for spreading raw material powder and can adjust the height according to the gravity of the powder; A driving mechanism (3), installed inside the barrel body (2) for driving the spreading part (24) and the grinding part (22) to rotate; A speed regulating mechanism (4), installed between the spreading part (24) and the grinding part (22), which can adjust the rotation speed of the grinding part (22) according to the height of the spreading part (24) and adjust the powder discharge speed.

2. A grinding pretreatment device for preparing an open gear lubricant according to claim 1, characterized in that: There are two swing components (5) installed between the grinding part (22) and the driving mechanism (3). The swing components (5) are distributed in a circumferential array around the axis of the barrel body (2). The driving mechanism (3) alternately drives the grinding part (22) to rotate continuously through the two swing components (5); Each of the swing components (5) includes: A swing rod (51), the middle part is installed on the speed regulating mechanism (4), and the outer end is used for driving the grinding part (22) to rotate; An adjusting shaft (52), the side wall is slidably arranged with the swing rod (51) through a chute, and the bottom is installed with a speed regulating mechanism (4); The speed regulating mechanism (4) changes the rotation point position of the swing rod (51), adjusts the swing amplitude of the swing rod (51), and adjusts the rotation speed of the grinding part (22) by moving the adjusting shaft (52); A synchronizing member (6), arranged between the swing rod (51) and the grinding part (22), and the inner end is rotatably arranged at the outer end of the swing rod (51) and can rotate around the axis of the grinding part (22) to intermittently drive the grinding part (22) to rotate; The inner ends of the two swing rods (51) are jointly slidably provided with an eccentric shaft (54) through a chute, and the bottom of the eccentric shaft (54) is installed with an eccentric member (53) arranged on the driving mechanism (3).

3. The grinding pretreatment device for preparing an open gear lubricant according to claim 2, characterized in that: The inner end of the grinding part (22) is provided with tooth grooves (61) arranged in a circumferential array. The synchronizing members (6) all include: A synchronizing frame (62), the inner end is rotatably arranged at the outer side of the swing rod (51); A limiting shaft (63), installed at the bottom of the synchronizing frame (62) for restricting the radial movement of the synchronizing frame (62); A slide rail (64), installed inside the barrel body (2) and slidably matched with the limiting shaft (63); A synchronizing pawl (65), rotatably arranged on the synchronizing frame (62) through a torsion spring and can cooperate with the tooth grooves (61) to drive the grinding part (22) to rotate.

4. The grinding pretreatment device for preparing an open gear lubricant according to claim 2, wherein: The driving mechanism (3) includes: A driving shaft (31), installed inside the barrel body (2) through a bracket. The driving shaft (31) is axially slidably arranged with the spreading part (24) through a key and is used for driving the spreading part (24) and the eccentric member (53) to rotate simultaneously; A driving motor (32), installed inside the barrel body (2) and driving the driving shaft (31) to rotate through a transmission belt.

5. The grinding pretreatment device for preparing an open gear lubricant according to claim 2, wherein: There are two of the speed regulating mechanisms (4), and each of the speed regulating mechanisms (4) includes: A mounting plate (41) is installed at the bottom of the adjusting shaft (52), and a return spring (42) is installed between the mounting plate (41) and the barrel body (2); A speed regulating frame (43) is axially slidably arranged with the barrel body (2) and is used to drive the mounting plates (41) on both sides to move in opposite directions; A cross bar (44) is rotatably arranged in the barrel body (2), and the throwing part (24) drives the speed regulating frame (43) to move through the cross bar (44) to change the position of the mounting plate (41).

6. The grinding pretreatment device for preparing an open gear lubricant according to claim 5, characterized in that: A rotating ring (46) is rotatably arranged on the throwing part (24). Two connecting rods (45) are fixedly arranged at the top of the rotating ring (46). Both ends of each cross bar (44) are rotatably arranged with the barrel body (2) and the connecting rod (45) respectively. Chute grooves are arranged at the middle part and one end close to the connecting rod (45) of the cross bar (44). The middle part of the cross bar (44) is slidably arranged with the speed regulating frame (43) through the chute groove.

7. A grinding pretreatment device for preparing an open gear lubricant according to claim 1, characterized in that: The throwing part (24) includes a rotating part (25) and a lifting part (26). The rotating part (25) is rotatably arranged at the bottom of the barrel body (2). A sliding arrangement and an elastic member (27) are provided between the rotating part (25) and the lifting part (26).

8. A grinding pretreatment device for preparing an open gear lubricant according to claim 1, characterized in that: A material guiding bevel edge and a grinding bevel edge are arranged at the top of the grinding part (22). The width between the material guiding bevel edge and the barrel body (2) gradually decreases from top to bottom.

9. A grinding pretreatment device for preparing an open gear lubricant according to claim 4, characterized in that: A differential is arranged between the driving shaft (31) and the eccentric member (53).

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