Vacuum satellite stirrer

Abstract

The invention provides a vacuum satellite stirrer. The vacuum satellite stirrer comprises a base, two satellite stirring devices and a stirring barrel, the base is placed on the ground of a plant, the two satellite stirring devices are oppositely fixed to the two ends of the base, the stirring barrel is fixed between the two satellite stirring devices, each satellite stirring device comprises a stirring support, a stirring transmission system, a stirring driving piece and a stirring mechanism with two stirring paddles, and the stirring supports and the stirring driving pieces are fixed to the base. The stirring mechanism is erected in the stirring support, the stirring transmission system is connected between the output end of the stirring driving part and the input end of the stirring mechanism, and the two satellite stirring devices and the stirring barrel form a cylindrical sealing cavity; the cylindrical sealing cavity is vacuumized after powder is added, two stirring driving pieces of the two satellite stirring devices drive two stirring paddles of respective stirring mechanisms to revolve together at the same time through respective stirring transmission systems, and the two stirring paddles of the two satellite stirring devices rotate at the same time; the vacuum satellite stirrer can be used for uniformly stirring powder in a dispersing manner.

Description

Technical Field

[0001] The invention belongs to the technical field of battery manufacturing equipment, and in particular relates to a vacuum satellite mixer. Background Art

[0002] The anode of the lithium battery cell is a powder of lithium-containing amorphous carbon coated or laminated on both sides of the copper foil, and the cathode is a powder of binary lithium iron phosphate or ternary nickel manganese cobalt phosphate coated or laminated on both sides of the aluminum foil. These powders are mixtures. For example, the powder of ternary nickel manganese cobalt phosphate is actually a mixture of dry powders such as nickel powder, manganese powder, cobalt powder, flame retardant powder, and bonding powder, which all need to be stirred evenly.

[0003] Dry powder mixing requirements:

[0004] 1. Stir and disperse evenly.

[0005] 2. The mixture is flocculent.

[0006] For this purpose, we developed vacuum satellite mixers. Summary of the invention

[0007] The object of the present invention is to provide a vacuum satellite mixer for uniformly dispersing and stirring powder.

[0008] The present invention is implemented as follows: a vacuum satellite mixer comprises a base, two satellite mixing devices and a mixing drum; the base is used to be placed on the floor of a factory building, the two satellite mixing devices are relatively fixed at two ends of the base, and the mixing drum is fixed between the two satellite mixing devices, so that the drum cavity of the mixing drum becomes a cylindrical sealed cavity;

[0009] The satellite stirring device comprises a stirring support, a stirring transmission system, a stirring driving member and a stirring mechanism, wherein the stirring support and the stirring driving member are fixed on a base, the stirring mechanism is set up in the stirring support, and the stirring transmission system is connected between the output end of the stirring driving member and the input end of the stirring mechanism; the stirring mechanism comprises two stirring paddles, and the stirring driving member drives the two stirring paddles of the stirring mechanism to revolve together through the stirring transmission system, and the two stirring paddles rotate simultaneously;

[0010] Powder can be added to the cylindrical sealed cavity first and then vacuumed. Then, the two stirring driving parts of the two satellite stirring devices can drive the two stirring paddles of their respective stirring mechanisms to revolve together through their respective stirring transmission systems. The two stirring paddles of the two satellite stirring devices can rotate at the same time. A vacuum satellite mixer can stir the powder in a dispersed and uniform manner.

[0011] Furthermore, the stirring support includes a stirring support, a stirring cover tube, an end bushing and three stirring support sealing rings, the stirring support includes a stirring support bottom plate, a stirring support vertical plate and a stirring support support plate, the stirring support bottom plate is fixed on the external machine platform, the stirring support vertical plate is fixed on the left side of the stirring support bottom plate, and is provided with a stirring support vertical plate sealing groove for the stirring cover tube near the edge and a stirring support vertical plate main shaft through hole in the middle, the stirring support support plate is fixed on the right side of the stirring support bottom plate, the stirring cover tube is fixed on the stirring support vertical plate with an open end, and the stirring cover tube is fixed on the stirring support with a cylinder body On the support plate, the end bushing is fixed to the other open end of the stirring cover tube with its outer end face dynamically matched and close to the top surfaces of the two stirring paddles with a small gap. The stirring bracket sealing ring on the left is fixed in the sealing groove of the stirring bracket vertical plate to the stirring cover tube for sealing the left end of the stirring cover tube and the right side of the stirring bracket vertical plate. The stirring bracket sealing ring in the middle is fixed in the sealing groove at the left end of the end bushing for sealing the left end of the end bushing and the right end of the stirring cover tube. The stirring bracket sealing ring on the right is fixed in the end bushing outer sealing groove on the outer end face of the right end of the end bushing for sealing the external stirring space.

[0012] Furthermore, the stirring mechanism includes a main shaft support group, a fixed gear, a main shaft group, a rotating drum group, an end sealing plate, an end sealing plate sealing belt and two satellite stirring groups, the main shaft support group is fixed on the stirring support vertical plate, the fixed gear is fixed on the main shaft support group close to the stirring support vertical plate end, the main shaft group is mounted in the main shaft support group, the rotating drum group is fixed on the output end of the main shaft group, the end sealing plate is fixed on the rotating drum group with the left plate surface, the end sealing plate sealing belt is fixed in the end sealing plate sealing belt groove on the right plate surface of the end sealing plate, the two satellite stirring groups are separately mounted in the rotating drum group, the main shaft support group, the fixed gear, the power output end part of the main shaft group, the rotating drum group, the end sealing plate, the end sealing plate sealing belt The sealing belt and the power input end parts of the two satellite stirring groups are sealed in the stirring cover barrel, and the end sealing plate sealing belt dynamically seals the end sealing plate and the left end face of the end bushing fixed on the stirring cover barrel in the stirring cover barrel. The sealing of the satellite stirring device can prevent the dust from the external stirring space from entering and ensure the sealing of the external vacuum stirring space; the stirring drive member drives the main shaft group together with the rotating drum group through the stirring transmission system to carry the two satellite stirring groups to revolve around the center line of the main shaft group to stir the powder, and at the same time, the two satellite stirring groups are driven by the rotating drum group and are differentially rotated by the fixed gear fixed on the main shaft support group to rotate to stir the powder; the stirring mechanism can stir the powder evenly in a dispersed manner.

[0013] Furthermore, the spindle support group includes a spindle support tube, a spindle support tube end sealing ring, a drum end cover, a drum end cover wear-resistant sleeve, a drum sealing ring, two drum bearings, a drum bearing inner ring support, a drum bearing outer ring support and a drum bearing retaining spring. The spindle support tube is aligned with the spindle through hole of the stirring support vertical plate with the center of the tube and is fixed to the stirring support vertical plate with the left end flange. The spindle support tube end sealing ring is fixed to the sealing joint between the left end flange of the spindle support tube and the stirring support vertical plate. The fixed gear is fixed to the spindle support tube close to the right end face of the left end flange of the spindle support tube, and the drum end cover is passed through the outside of the spindle support tube, is limited to the left by the left end step of the spindle support tube, and is fixed to the drum group. The wear-resistant sleeve of the drum end cover is arranged inside the drum end cover to bear the rotational friction of the main shaft support tube. The drum sealing ring is fixed in the sealing groove of the drum end cover to seal the connection with the drum group. The inner rings of the two drum bearings are passed through the outside of the main shaft support tube. The inner ring support of the drum bearing is passed through the outside of the main shaft support tube, separated between the inner rings of the two drum bearings, and plays the role of supporting the inner rings of the two drum bearings. The outer ring support of the drum bearing is passed through the outside of the inner ring support of the drum bearing, separated between the outer rings of the two drum bearings, and plays the role of supporting the outer rings of the two drum bearings. The drum bearing retaining ring is retained in the retaining ring groove outside the right end of the main shaft support tube, and is used to right limit the drum bearing at the right end.

[0014] Furthermore, the spindle group includes a spindle and two spindle bearings, the spindle includes a spindle shaft body in the middle, a spindle power input end at the left end, a spindle power output end at the right end and a spindle bolt groove on the end face of the spindle power output end, the inner rings of the two spindle bearings are fixed at both ends of the spindle shaft body, the spindle carries the two spindle bearings through the spindle through-hole of the stirring bracket upright plate, extends into and passes through the spindle bracket tube, the spindle power output end and the spindle bolt groove on the end face are exposed at the right end for connecting the rotating drum group to output rotational power, the outer rings of the two spindle bearings are supported in the spindle bracket tube, and the spindle power input end is left outside the spindle through-hole of the stirring bracket upright plate for connecting the stirring transmission system to input rotational power.

[0015] Furthermore, the drum assembly includes a drum, a drum bolt and a plurality of end sealing plate soft connection components, the drum is provided with a drum bearing seat hole in the middle of the left end surface, two drum satellite bearing seat holes on both sides of the left end surface and the corresponding right end surface, a plurality of sleeve fixing holes around the right end surface, a plurality of sleeve mounting holes on both sides of the left end surface and a drum bolt groove in the middle of the right end surface, which is consistent with the width and depth of the spindle bolt groove of the spindle and can be aligned when the drum assembly is assembled outside the spindle bracket assembly; the drum bolt is fixed in the spindle bolt groove, and Located in the drum bolt groove aligned with the main shaft bolt groove, it is used to output the rotational power of the main shaft to the drum group; multiple end sealing plate soft connection components respectively pass through multiple sleeve mounting holes and are fixed in multiple sleeve fixing holes to fix the end sealing plate, and multiple end sealing plate soft connection components apply sensitive elastic force to the end sealing plate so that the end sealing plate, with the end sealing plate sealing band fixed in the end sealing plate sealing band groove on the right side of the end sealing plate, can perform a tight dynamic seal with the left end face of the end bushing fixed on the mixing cover cylinder.

[0016] Furthermore, the end sealing plate soft connection assembly includes a sliding sleeve, a sliding rod, a loop and a compression spring, the sliding sleeve passes through the sliding sleeve mounting hole of the rotating drum and is fixed in the sliding sleeve fixing hole of the rotating drum, the sliding rod passes through the sliding sleeve mounting hole of the rotating drum and is inserted into the sliding sleeve, the rod tail of the sliding rod passes through the sliding sleeve and is exposed outside the right side of the rotating drum, the loop on the left and the compression spring on the right are both inserted outside the rod tail of the sliding rod exposed outside the right side of the rotating drum, the end faces of the rod tails of multiple sliding rods are used to fix the end sealing plate, and multiple compression springs remain in a compressed state and can continue to be compressed, thereby applying sensitive elastic force to the end sealing plate.

[0017] Furthermore, the satellite stirring group includes a satellite shaft, a satellite gear, two satellite shaft bearings, a satellite shaft end sleeve and the stirring paddle, the outer rings of the two satellite shaft bearings are respectively sleeved in the two drum satellite bearing seat holes on both sides of the drum, the satellite shaft partially passes through the end sealing plate satellite shaft hole of the end sealing plate from right to left, the middle part of the satellite shaft is sleeved in the inner rings of the two satellite shaft bearings, the satellite gear is fixed at the left end of the satellite shaft for engagement with the fixed gear, the satellite shaft end sleeve is sleeved outside the middle right end of the satellite shaft and fixed on the right side of the end sealing plate pressed by multiple end sealing plate soft connection components to dynamically seal the end sealing plate satellite shaft hole, the stirring paddle is fixed outside the left end of the satellite shaft, and the satellite gear can be differentially rotated by the fixed gear to drive the satellite shaft together with the stirring paddle to rotate and stir the powder.

[0018] Furthermore, the stirring paddle includes a stirring paddle head, two stirring paddle shoulders, two stirring paddle arms and a stirring paddle foot, the stirring paddle head is fixed outside the left end of the satellite shaft, the two stirring paddle shoulders are symmetrically distributed on both sides of the stirring paddle head, the two stirring paddle arms are respectively connected to the two stirring paddle shoulders, and the stirring paddle foot is connected between the two stirring paddle arms; when the satellite shaft together with the stirring paddle rotates around the center line of the satellite shaft like a satellite, the top surface generatrix of the stirring paddle shoulder rotates to form the top surface of the stirring paddle cylinder and is close to the outer end surface of the end bushing, and the reversely twisted side generatrix of the two stirring paddle arms Rotation forms the side surface of the stirring paddle cylinder, the bottom generatrix of the stirring paddle foot rotates to form the bottom surface of the stirring paddle cylinder, and the top surface of the stirring paddle cylinder, the side surface of the stirring paddle cylinder and the bottom surface of the stirring paddle cylinder are combined into a stirring area of ​​the stirring paddle cylinder; when the stirring driving member drives the two stirring paddles of the stirring mechanism to revolve together like the planet earth through the stirring transmission system, the two simultaneously rotating stirring paddle cylinder parts of the two stirring paddles overlap and revolve together to form a stirring area of ​​a gapless satellite stirring cylinder, which can disperse and evenly stir the powder in the stirring area of ​​the satellite stirring cylinder.

[0019] Furthermore, the mixing drum includes a drum body, an inlet valve, an NPM recovery valve, a discharge valve, a vacuum valve, a vacuum gauge, an atmospheric valve and an observation window, the drum body includes a hollow drum cavity, the drum body is fixed between the end bushings of the two satellite mixing devices, so that the drum cavity of the drum body becomes the cylindrical sealing cavity, the mixing bracket sealing ring is fixed in the end bushing outer sealing groove on the outer end surface of the end bushing for sealing the cylindrical sealing cavity; the diameter of the cylindrical sealing cavity and the side generatrix of the two mixing paddles only leave a gap for the mixing paddles to move, the length of the cylindrical sealing cavity and the bottom generatrix of the two mixing paddles only leave a gap for the two mixing paddles to move, and the two satellite mixing cylinders of the two satellite mixing devices form a gap with the cylindrical sealing cavity only leaving a movable gap The invention relates to a satellite stirring cylinder with a length of twice the gap, and the two satellite stirring devices can disperse and evenly stir the powder in the stirring cylinder; the feed valve is fixed on the upper part of the cylinder for adding the raw material powder to be stirred, and the discharge valve is fixed on the lower part of the cylinder for discharging the stirred powder; the vacuum valve, the vacuum gauge, the atmospheric valve and the observation window are all fixed outside the cylinder; the vacuum valve is used to evacuate the cylindrical sealed cavity, the vacuum gauge is used to measure and display the vacuum degree in the cylindrical sealed cavity, the atmospheric valve is used to break the vacuum in the cylindrical sealed cavity, the observation window is used to observe the inside of the cylindrical sealed cavity, and the NPM recovery valve is fixed on the upper part of the cylinder next to the feed valve, and is used to extract the micro dust in the cylindrical sealed cavity when needed after vacuum stirring.

[0020] The beneficial effects of this vacuum satellite mixer are:

[0021] The two satellite stirring devices and the stirring drum form a cylindrical sealed chamber. Powder can be added to the cylindrical sealed chamber and then evacuated. Then, the two stirring driving parts of the two satellite stirring devices drive the two stirring paddles of their respective stirring mechanisms to revolve together through their respective stirring transmission systems. The two stirring paddles of the two satellite stirring devices rotate at the same time, which can disperse and evenly stir the powder in the stirring area of ​​the satellite stirring cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 Vacuum satellite mixer structure diagram;

[0023] Figure 2 Satellite stirring device diagram;

[0024] Figure 3 Stirring bracket structure diagram;

[0025] Figure 4 Structural diagram of the satellite stirring device without the stirring cover;

[0026] Figure 5 Stirring mechanism structure diagram;

[0027] Figure 6 Structural diagram of the main shaft support assembly, fixed gear and stirring support stand plate;

[0028] Figure 7 Exploded view of the spindle support assembly structure;

[0029] Figure 8 Spindle group structure diagram;

[0030] Fig. 9 Drum group and drum structure diagram;

[0031] Fig.10 Structural diagram of the drum unit and satellite mixing unit;

[0032] Fig.11 Satellite mixing group structure diagram;

[0033] Fig.12 Structure diagram of stirring paddle;

[0034] Fig.13 The structure diagram of the agitator blade and the end lining;

[0035] Fig.14 Figure of stirring paddle cylinder and satellite stirring cylinder;

[0036] Fig.15 Mixing drum structure diagram.

[0037] Description of reference numerals:

[0038] 100. Base;

[0039] 200. Satellite stirring device;

[0040] 210, stirring support;

[0041] 211, stirring support; 2111, stirring support bottom plate; 2112, stirring support vertical plate; 21121, stirring support vertical plate to stirring cover tube sealing groove; 21122, stirring support vertical plate main shaft through hole; 2113, stirring support support plate;

[0042] 212, stirring hood cylinder;

[0043] 213, end bushing; 2131, outer sealing groove of end bushing; 2132, outer end surface of end bushing;

[0044] 214, sealing ring of stirring bracket;

[0045] 220. Stirring drive system;

[0046] 230, stirring drive member;

[0047] 240. stirring mechanism;

[0048] 241, spindle support assembly; 2411, spindle support tube; 2412, spindle support tube end sealing ring; 2413, drum end cover; 2414, drum end cover wear-resistant sleeve; 2415, drum sealing ring; 2416, drum bearing; 2417, drum bearing inner ring support; 2418, drum bearing outer ring support; 2419, drum bearing retaining ring; 242, fixed gear;

[0049] 243, spindle assembly; 2431, spindle; 24311, spindle shaft body; 24312, spindle power input end; 24313, spindle power output end; 24314, spindle bolt groove;

[0050] 2432, spindle bearing;

[0051] 244, rotating drum group;

[0052] 2441, drum; 24411, drum bearing seat hole; 24412, drum satellite bearing seat hole; 24413, sleeve fixing hole; 24414, sleeve installation hole; 24415, drum bolt groove;

[0053] 2442, rotating drum bolt; 2443, end sealing plate soft connection assembly; 24431, sliding sleeve; 24432, sliding rod; 24433, looper; 24434, compression spring;

[0054] 245, end sealing plate; 2451, sealing belt groove of end sealing plate; 2452, satellite shaft hole of end sealing plate;

[0055] 246, end sealing plate sealing tape;

[0056] 247, satellite stirring group; 2471, satellite shaft; 2472, satellite gear; 2473, satellite shaft bearing; 2474, satellite shaft end sleeve; 2475, stirring paddle; 24751, stirring paddle head; 24752, stirring paddle shoulder; 24753, stirring paddle arm; 24754, stirring paddle foot; 2476, stirring paddle cylinder; 24761, stirring paddle cylinder top surface; 24762, stirring paddle cylinder side surface; 24763, stirring paddle cylinder bottom surface; 2477, satellite stirring cylinder;

[0057] 300, mixing drum; 310, drum body; 311, drum cavity; 320, inlet valve; 330, NPM recovery valve; 340, discharge valve; 350, vacuum valve; 360, vacuum gauge; 370, atmospheric valve; 380, observation window. DETAILED DESCRIPTION

[0058] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0059] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance; in addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be a connection between the two components. For ordinary technicians in this field, the specific meanings of the terms in the present invention can be understood according to specific circumstances.

[0060] See also Figure 1The present embodiment provides a vacuum satellite mixer for uniformly dispersing and mixing powder. A vacuum satellite mixer comprises a base (100), two satellite mixing devices (200) and a mixing drum (300); the base (100) is used to be placed on the floor of a factory building, the two satellite mixing devices (200) are relatively fixed at the two ends of the base (100), and the mixing drum (300) is fixed between the two satellite mixing devices (200), so that the barrel cavity (311) of the mixing drum (300) becomes a cylindrical sealed cavity;

[0061] See also Figure 2 The satellite stirring device (200) comprises a stirring support (210), a stirring transmission system (220), a stirring driving member (230) and a stirring mechanism (240), wherein the stirring support (210) and the stirring driving member (230) are fixed on a base (100), the stirring mechanism (240) is mounted in the stirring support (210), and the stirring transmission system (220) is connected between an output end of the stirring driving member (230) and an input end of the stirring mechanism (240); see Figure 3 , Figure 4 , Figure 5 , Fig.10 , Fig.11 , Fig.12 The stirring mechanism (240) includes two stirring paddles (2475), and the stirring driving member (230) drives the two stirring paddles (2475) of the stirring mechanism (240) to revolve together through the stirring transmission system (220), and the two stirring paddles (2475) rotate simultaneously;

[0062] Powder can be first added to the cylindrical sealed cavity and then vacuumed. Then, the two stirring driving members (230) of the two satellite stirring devices (200) drive the two stirring paddles (2475) of their respective stirring mechanisms (240) to revolve together through their respective stirring transmission systems (220). The two stirring paddles (2475) of the two satellite stirring devices (200) rotate simultaneously. A vacuum satellite stirrer can stir powder in a dispersed and uniform manner.

[0063] Further, see Figure 3 , Figure 4 , Figure 7 and Fig.13 The stirring support (210) includes a stirring support (211), a stirring cover tube (212), an end bushing (213) and three stirring support sealing rings (214); the stirring support (211) includes a stirring support bottom plate (2111), a stirring support vertical plate (2112) and a stirring support support plate (2113); the stirring support bottom plate (2111) is fixed on an external machine platform; the stirring support vertical plate (2112) is fixed on the left side of the stirring support bottom plate (2111); a stirring support vertical plate close to the edge is provided with a stirring cover tube sealing groove (21121) (see Figure 4 ) and the central stirring support stand main shaft through hole (21122) (see Figure 7 ), the stirring support plate (2113) is fixed to the right side of the stirring support bottom plate (2111), the stirring cover tube (212) is fixed to the stirring support vertical plate (2112) with an open end, and the stirring cover tube (212) is fixed to the stirring support support plate (2113) with the cylinder body (see Figure 3 ), the end bushing (213) is dynamically matched with the outer end surface (2132) of the end bushing and is close to the top surface of the two stirring paddles (2475) with a small gap (see Fig.13 ) is fixed on the other open end of the stirring cover tube (212) (see Figure 3 ), see Figure 3 The left stirring bracket sealing ring (214) is fixed in the sealing groove (21121) of the stirring bracket vertical plate to the stirring cover tube for sealing the left end of the stirring cover tube (212) and the right side of the stirring bracket vertical plate (2112), the middle stirring bracket sealing ring (214) is fixed in the sealing groove at the left end of the end bushing (213) for sealing the left end of the end bushing (213) and the right end of the stirring cover tube (212), and the right stirring bracket sealing ring (214) is fixed in the end bushing outer sealing groove (2131) on the outer end surface of the right end of the end bushing (213) for sealing the external stirring space.

[0064] Further, see Figure 5The stirring mechanism (240) comprises a main shaft support group (241), a fixed gear (242), a main shaft group (243), a rotating drum group (244), an end sealing plate (245), an end sealing plate sealing belt (246) and two satellite stirring groups (247). The main shaft support group (241) is fixed on the stirring support vertical plate (2112), the fixed gear (242) is fixed on the end of the main shaft support group (241) close to the stirring support vertical plate (2112), and the main shaft group (243) is mounted on the main shaft support group ( 241), a rotating drum group (244) is fixed on the output end of the main shaft group (243), an end sealing plate (245) is fixed on the rotating drum group (244) with its left plate surface, an end sealing plate sealing belt (246) is fixed in an end sealing plate sealing belt groove (2451) on the right plate surface of the end sealing plate (245), two satellite stirring groups (247) are separately mounted in the rotating drum group (244), a main shaft support group (241), a fixed gear (242), a power output end portion of the main shaft group (243), and a rotating drum group (24 4), the end sealing plate (245), the end sealing plate sealing belt (246) and the power input end parts of the two satellite stirring groups (247) are sealed in the stirring cover tube (212), and the end sealing plate sealing belt (246) performs dynamic sealing on the end sealing plate (245) and the left end surface of the end bushing (213) fixed to the stirring cover tube (212) in the stirring cover tube (212), and the sealing can prevent the dust from entering the external stirring space and ensure the sealing of the external vacuum stirring space; the stirring drive member (230) is connected to the stirring cover tube (212) by the end sealing plate (245). The stirring transmission system (220) drives the main shaft group (243) together with the rotating drum group (244) to carry two satellite stirring groups (247) to revolve around the center line of the main shaft group (243) which is also the center line of the fixed gear (242) to stir the powder. At the same time, the two satellite stirring groups (247) are driven by the rotating drum group (244) and are differentially rotated by the fixed gear (242) fixed on the main shaft support group (241) to rotate and stir the powder. The stirring mechanism (240) can stir the powder in a dispersed and uniform manner.

[0065] Further, see Figure 5 , Figure 6 , Figure 7The main shaft support assembly (241) includes a main shaft support cylinder (2411), a main shaft support cylinder end sealing ring (2412), a drum end cover (2413), a drum end cover wear-resistant sleeve (2414), a drum sealing ring (2415), two drum bearings (2416), a drum bearing inner ring support (2417), a drum bearing outer ring support (2418) and a drum bearing retaining ring (2419). The main shaft support cylinder (2411) is aligned with the main shaft through hole (21122) of the stirring support vertical plate with the cylinder center. The left end flange is fixed on the stirring support vertical plate (2112), the main shaft support tube end sealing ring (2412) is fixed to the sealing joint between the left end flange of the main shaft support tube (2411) and the stirring support vertical plate (2112), the fixed gear (242) is fixed on the main shaft support tube (2411) with the right end surface close to the left end flange of the main shaft support tube (2411), the rotating drum end cover (2413) is passed through the outside of the main shaft support tube (2411) and is limited to the left by the left end step of the main shaft support tube (2411), and The rotating drum assembly (244) is fixed to the rotating drum assembly (244); the rotating drum end cover wear-resistant sleeve (2414) is arranged in the rotating drum end cover (2413) to bear the rotational friction with the main shaft support tube (2411); the rotating drum sealing ring (2415) is fixed in the sealing groove of the rotating drum end cover (2413) to seal the connection with the rotating drum assembly (244); the inner rings of the two rotating drum bearings (2416) are passed through the outside of the main shaft support tube (2411); the rotating drum bearing inner ring support (2417) is passed through the outside of the main shaft support tube (2411); and the separation The inner rings of the two rotating drum bearings (2416) are supported between the inner rings of the two rotating drum bearings (2416); the outer ring support (2418) of the rotating drum bearing is inserted outside the inner ring support (2417) of the rotating drum bearing, and is separated between the outer rings of the two rotating drum bearings (2416) to support the outer rings of the two rotating drum bearings (2416); the rotating drum bearing retaining ring (2419) is retained in the retaining ring groove outside the right end of the main shaft support tube (2411), and is used for right limiting the rotating drum bearing (2416) at the right end.

[0066] Further, see Figure 5 , Figure 6 , Figure 8The spindle assembly (243) includes a spindle (2431) and two spindle bearings (2432). The spindle (2431) includes a spindle shaft body (24311) in the middle, a spindle power input end (24312) at the left end, a spindle power output end (24313) at the right end, and a spindle bolt groove (24314) on the end surface of the spindle power output end (24313). The inner rings of the two spindle bearings (2432) are fixed at both ends of the spindle shaft body (24311). The spindle (2431) carries the two spindle bearings (2432) through the stirring support The main shaft through hole (21122) of the stirring support stand plate of the stand plate (2112) extends into and passes through the main shaft support tube (2411), and the main shaft power output end (24313) and the main shaft bolt groove (24314) on the end surface are exposed at the right end for connecting to the rotating drum group (244) to output rotational power. The outer rings of the two main shaft bearings (2432) are supported in the main shaft support tube (2411), and the main shaft power input end (24312) is left outside the main shaft through hole (21122) of the stirring support stand plate for connecting to the stirring transmission system (220) to input rotational power.

[0067] Further, see Figure 5 , Fig. 9 , Fig.10 The drum assembly (244) comprises a drum (2441), a drum bolt (2442) and a plurality of end sealing plate soft connection components (2443); the drum (2441) is provided with a drum bearing seat hole (24411) in the middle of the left end surface, two drum satellite bearing seat holes (24412) on both sides of the left end surface and on both sides of the corresponding right end surface, a plurality of sleeve fixing holes (24413) around the right end surface, a plurality of sleeve installation through holes (24414) on both sides of the left end surface and a drum bolt groove (24415) in the middle of the right end surface, which has the same groove width and groove depth as the main shaft bolt groove (24314) of the main shaft (2431) and can be aligned when the drum assembly (244) is assembled outside the main shaft support assembly (241); the drum bolt (2442) is fixed in the main shaft bolt groove (24415) 4314), and is located in a drum bolt groove (24415) aligned with the main shaft bolt groove (24314), for outputting the rotational power of the main shaft (2431) to the drum assembly (244); a plurality of end sealing plate soft connection components (2443) respectively pass through a plurality of sleeve mounting holes (24414) and are fixed in a plurality of sleeve fixing holes (24413) for fixing the end sealing plate (245); the plurality of end sealing plate soft connection components (2443) apply a sensitive elastic force to the end sealing plate (245) so that the end sealing plate (245) and the end sealing plate sealing belt (246) fixed in the end sealing plate sealing belt groove (2451) on the right side of the end sealing plate (245) are tightly dynamically sealed with the left end face of the end bushing (213) fixed on the stirring cover tube (212).

[0068] Further, see Fig. 9The end sealing plate soft connection assembly (2443) includes a sleeve (24431), a slide rod (24432), a looper (24433) and a compression spring (24434), and the sleeve (24431) passes through the sleeve installation hole (24414) of the rotating drum (2441) and is fixed in the sleeve fixing hole (24413) of the rotating drum (2441), the slide rod (24432) passes through the sleeve installation hole (24414) of the rotating drum (2441) and is inserted into the sleeve (24431), and the sleeve (24431) is fixed in the sleeve fixing hole (24413) of the rotating drum (2441). The rod tail of the rod (24432) passes through the sliding sleeve (24431) and is exposed outside the right side of the rotating drum (2441); the looper (24433) on the left and the compression spring (24434) on the right are both arranged outside the rod tail of the sliding rod (24432) and exposed outside the right side of the rotating drum (2441); the end surfaces of the rod tails of the plurality of sliding rods (24432) are used to fix the end sealing plate (245); the plurality of compression springs (24434) are all kept in a compressed state and can continue to be compressed, so as to apply a sensitive elastic force to the end sealing plate (245).

[0069] Further, see Figure 5 , Fig.11 The satellite stirring group (247) includes a satellite shaft (2471), a satellite gear (2472), two satellite shaft bearings (2473), a satellite shaft end sleeve (2474) and a stirring paddle (2475). The outer rings of the two satellite shaft bearings (2473) are respectively sleeved in two rotating drum satellite bearing seat holes (24412) on both sides of the rotating drum (2441). The satellite shaft (2471) is connected from right to left from the end sealing plate satellite shaft hole (2452) of the end sealing plate (245). Figure 8 The satellite shaft (2471) is partially passed through, the middle part of the satellite shaft (2471) is sleeved in the inner rings of the two satellite shaft bearings (2473), the satellite gear (2472) is fixed to the left end of the satellite shaft (2471) to mesh with the fixed gear (242), and the satellite shaft end sleeve (2474) is sleeved outside the middle right end of the satellite shaft (2471) and fixed to the right surface of the end sealing plate (245) which is pressed by a plurality of end sealing plate soft connection components (2443) (see Figure 5 ) plays the role of dynamically sealing the satellite shaft hole (2452) of the end sealing plate, and the stirring paddle (2475) is fixed to the left end of the satellite shaft (2471). The satellite gear (2472) can be differentially rotated by the fixed gear (242) to drive the satellite shaft (2471) together with the stirring paddle (2475) to rotate and stir the powder.

[0070] Further, see Fig.12The stirring paddle (2475) includes a stirring paddle head (24751), two stirring paddle shoulders (24752), two stirring paddle arms (24753) and a stirring paddle foot (24754). The stirring paddle head (24751) is fixed to the left end of the satellite shaft (2471), the two stirring paddle shoulders (24752) are symmetrically distributed on both sides of the stirring paddle head (24751), the two stirring paddle arms (24753) are respectively connected to the two stirring paddle shoulders (24752), and the stirring paddle foot (24754) is connected between the two stirring paddle arms (24753); the satellite shaft (2471) together with the stirring paddle (2475) is rotated around the center of the satellite shaft (2471) When the center line rotates like a satellite or moon, the top surface generatrix of the stirring paddle shoulder (24752) rotates to form the top surface (24761) of the stirring paddle cylinder and is close to the outer end surface (2132) of the end bushing (213), the oppositely twisted side generatrix of the two stirring paddle arms (24753) rotates to form the side surface (24762) of the stirring paddle cylinder, and the bottom surface generatrix of the stirring paddle foot (24754) rotates to form the bottom surface (24763) of the stirring paddle cylinder. The top surface (24761) of the stirring paddle cylinder, the side surface (24762) of the stirring paddle cylinder and the bottom surface (24763) of the stirring paddle cylinder are combined to form the stirring area of ​​the stirring paddle cylinder (2476).

[0071] Further, see Fig.14 When the stirring driving member (230) drives the two stirring paddles (2475) of the stirring mechanism (240) through the stirring transmission system (220) to revolve together like the planet Earth, the two stirring paddle cylinders (2476) of the two stirring paddles (2475) that rotate simultaneously partially overlap and revolve together, forming a stirring area of ​​a satellite stirring cylinder (2477) without a gap, which can disperse and evenly stir the powder in the stirring area of ​​the satellite stirring cylinder (2477).

[0072] Further, see Fig.15The mixing drum (300) comprises a drum body (310), a material inlet valve (320), an NPM recovery valve (330), a material outlet valve (340), a vacuum valve (350), a vacuum gauge (360), an atmospheric valve (370) and an observation window (380). The drum body (310) comprises a hollow drum cavity (311). The drum body (310) is fixed between the end bushings (213) of the two satellite mixing devices (200), so that the drum cavity (311) of the drum body (310) becomes a cylindrical sealed cavity. The mixing bracket sealing ring (214) is fixed in the end bushing outer sealing groove (2131) on the outer end surface of the end bushing (213) and is used to seal the cylindrical sealing cavity; the diameter of the cylindrical sealing cavity and the side generatrix of the two stirring paddles (2475) leave only a gap for the stirring paddles (2475) to move; the length of the cylindrical sealing cavity and the bottom generatrix of the two stirring paddles (2475) leave only a gap for the two stirring paddles (2475) to move; the two satellite stirring cylinders of the two satellite stirring devices (200) are (2477) forms a double-length satellite stirring cylinder with only a movable gap between it and the cylindrical sealed cavity. The two satellite stirring devices (200) can disperse and evenly stir the powder in the cylinder (300); the inlet valve (320) is fixed on the upper part of the cylinder (310) for adding the raw material powder to be stirred, the outlet valve (340) is fixed on the lower part of the cylinder (310) for discharging the stirred powder, the vacuum valve (350), the vacuum gauge (360), the atmospheric valve (370) and the observation window (3 The vacuum valve (350) is used to evacuate the cylindrical sealed cavity, the vacuum gauge (360) is used to measure and display the vacuum degree in the cylindrical sealed cavity, the atmospheric valve (370) is used to break the vacuum in the cylindrical sealed cavity, the observation window (380) is used to observe the inside of the cylindrical sealed cavity, and the NPM recovery valve (330) is fixed on the upper part of the cylindrical body (310) next to the feed valve (320) and is used to remove the micro dust in the cylindrical sealed cavity when needed after vacuum stirring.

[0073] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A vacuum satellite mixer, comprising: A base (100), two satellite stirring devices (200) and a stirring drum (300); the base (100) is used to be placed on the floor of a factory building, the two satellite stirring devices (200) are relatively fixed at two ends of the base (100), and the stirring drum (300) is fixed between the two satellite stirring devices (200), so that the drum cavity (311) of the stirring drum (300) becomes a cylindrical sealed cavity; The satellite stirring device (200) comprises a stirring support (210), a stirring transmission system (220), a stirring driving member (230) and a stirring mechanism (240); the stirring support (210) and the stirring driving member (230) are fixed on a base (100); the stirring mechanism (240) is mounted in the stirring support (210); the stirring transmission system (220) is connected between an output end of the stirring driving member (230) and an input end of the stirring mechanism (240); the stirring mechanism (240) comprises two stirring paddles (2475); the stirring driving member (230) drives the two stirring paddles (2475) of the stirring mechanism (240) to revolve together through the stirring transmission system (220); and the two stirring paddles (2475) rotate simultaneously; Powder can be first added to the cylindrical sealed cavity and then vacuumed. Then, the two stirring driving members (230) of the two satellite stirring devices (200) drive the two stirring paddles (2475) of their respective stirring mechanisms (240) to revolve together through their respective stirring transmission systems (220). The two stirring paddles (2475) of the two satellite stirring devices (200) rotate simultaneously. A vacuum satellite mixer can stir powder in a dispersed and uniform manner.

2. The vacuum satellite mixer according to claim 1, wherein the stirring support (210) comprises a stirring support (211), a stirring cover tube (212), an end bushing (213) and three stirring support sealing rings (214); the stirring support (211) comprises a stirring support bottom plate (2111), a stirring support vertical plate (2112) and a stirring support supporting plate (2113); the stirring support bottom plate (2111) is fixed on the base (100); the stirring support vertical plate (2112) is fixed on the left side of the stirring support bottom plate (2111); a stirring support vertical plate sealing groove (21121) for the stirring cover tube near the edge and a stirring support vertical plate main shaft through hole (21122) in the middle are provided; the stirring support supporting plate (2113) is fixed on the right side of the stirring support bottom plate (2111); the stirring cover tube (212) is fixed on the stirring support vertical plate (2112) with an open end; The stirring cover tube (212) is fixed on the stirring support support plate (2113) with its tube body, and the end bushing (213) is fixed on the other open end of the stirring cover tube (212) with its outer end surface (2132) dynamically matched and close to the top surfaces of the two stirring paddles (2475) with a small gap. The stirring support sealing ring (214) on the left is fixed in the sealing groove (21121) of the stirring support vertical plate to the stirring cover tube for sealing the left end of the stirring cover tube (212) and the right side of the stirring support vertical plate (2112). The stirring support sealing ring (214) in the middle is fixed in the sealing groove at the left end of the end bushing (213) for sealing the left end of the end bushing (213) and the right end of the stirring cover tube (212). The stirring support sealing ring (214) on the right is fixed in the end bushing outer sealing groove (2131) on the outer end surface of the right end of the end bushing (213) for sealing the external stirring space.

3. The vacuum satellite mixer according to claim 2, wherein the stirring mechanism (240) comprises a main shaft support group (241), a fixed gear (242), a main shaft group (243), a rotating drum group (244), an end sealing plate (245), an end sealing plate sealing belt (246) and two satellite stirring groups (247), wherein the main shaft support group (241) is fixed on the stirring support vertical plate (2112), the fixed gear (242) is fixed on the main shaft support group (241) near the stirring support vertical plate (2112), and the main shaft group (243) The main shaft support assembly (241) is mounted in the rotating drum assembly (244), the rotating drum assembly (244) is fixed on the output end of the main shaft assembly (243), the end sealing plate (245) is fixed on the rotating drum assembly (244) with the left plate surface, the end sealing plate sealing belt (246) is fixed in the end sealing plate sealing belt groove (2451) on the right plate surface of the end sealing plate (245), the two satellite stirring groups (247) are separately mounted in the rotating drum assembly (244), the main shaft support assembly (241), the fixed gear (242), and the power output of the main shaft assembly (243) are connected to the rotating drum assembly (244). The end portion, the rotating drum group (244), the end sealing plate (245), the end sealing plate sealing belt (246) and the power input end portions of the two satellite stirring groups (247) are sealed in the stirring cover tube (212); the end sealing plate sealing belt (246) dynamically seals the end sealing plate (245) and the left end surface of the end bushing (213) fixed to the stirring cover tube (212) in the stirring cover tube (212); the sealing of the satellite stirring device (200) can prevent dust from entering the external stirring space and ensure external vacuum stirring. The space is sealed; the stirring drive member (230) drives the main shaft group (243) together with the rotating drum group (244) through the stirring transmission system (220) to carry the two satellite stirring groups (247) to revolve around the center line of the main shaft group (243) to stir the powder; at the same time, the two satellite stirring groups (247) are driven by the rotating drum group (244) to rotate by themselves to stir the powder by differential rotation of the fixed gear (242) fixed on the main shaft support group (241); the stirring mechanism (240) can stir the powder in a dispersed and uniform manner.

4. The vacuum satellite mixer according to claim 3, wherein the spindle support assembly (241) comprises a spindle support cylinder (2411), a spindle support cylinder end sealing ring (2412), a drum end cover (2413), a drum end cover wear-resistant sleeve (2414), a drum sealing ring (2415), two drum bearings (2416), a drum bearing inner ring support (2417), a drum bearing outer ring support (2418) and a drum bearing retaining ring (2419), and the spindle support cylinder (2411) is aligned with the spindle through hole (211) of the stirring support vertical plate with the cylinder center. 22) is fixed to the stirring support vertical plate (2112) with a left end flange, the main shaft support tube end sealing ring (2412) is fixed to the sealing joint between the left end flange of the main shaft support tube (2411) and the stirring support vertical plate (2112), the fixed gear (242) is fixed to the main shaft support tube (2411) close to the right end face of the left end flange of the main shaft support tube (2411), and the rotating drum end cover (2413) is inserted outside the main shaft support tube (2411) and is limited to the left by the left end step of the main shaft support tube (2411). The rotating drum assembly (244) is fixed on the rotating drum assembly (244); the rotating drum end cover wear-resistant sleeve (2414) is arranged in the rotating drum end cover (2413) to bear the rotational friction of the main shaft support tube (2411); the rotating drum sealing ring (2415) is fixed in the sealing groove of the rotating drum end cover (2413) to seal the connection with the rotating drum assembly (244); the inner rings of the two rotating drum bearings (2416) are passed through the outside of the main shaft support tube (2411); the rotating drum bearing inner ring support (2417) is passed through the main shaft support tube (2411) The outer ring of the rotating drum bearing (2416) is separated between the inner rings of the two rotating drum bearings (2416) to support the inner rings of the two rotating drum bearings (2416); the rotating drum bearing outer ring support (2418) is passed through the outer ring support (2417) of the rotating drum bearing and is separated between the outer rings of the two rotating drum bearings (2416) to support the outer rings of the two rotating drum bearings (2416); the rotating drum bearing retaining ring (2419) is retained in the retaining ring groove outside the right end of the main shaft support tube (2411) and is used to right limit the rotating drum bearing (2416) at the right end.

5. The vacuum satellite mixer according to claim 4, wherein the spindle assembly (243) comprises a spindle (2431) and two spindle bearings (2432), wherein the spindle (2431) comprises a spindle shaft body (24311) in the middle, a spindle power input end (24312) at the left end, a spindle power output end (24313) at the right end, and a spindle bolt groove (24314) on the end surface of the spindle power output end (24313), the inner rings of the two spindle bearings (2432) are fixed at the two ends of the spindle shaft body (24311), and the spindle (2431) carries the two spindle bearings (2432). ) passes through the main shaft through hole (21122) of the stirring bracket upright plate (2112) and extends into and passes through the main shaft support tube (2411), and the main shaft power output end (24313) and the main shaft bolt groove (24314) on the end face are exposed at the right end for connecting to the rotating drum group (244) to output rotational power, the outer rings of the two main shaft bearings (2432) are supported in the main shaft support tube (2411), and the main shaft power input end (24312) is left outside the main shaft through hole (21122) of the stirring bracket upright plate for connecting to the stirring transmission system (220) to input rotational power.

6. The vacuum satellite mixer according to claim 5, wherein the drum assembly (244) comprises a drum (2441), a drum bolt (2442) and a plurality of end sealing plate soft connection components (2443), wherein the drum (2441) is provided with a drum bearing seat hole (24411) in the middle of the left end surface, two drum satellite bearing seat holes (24412) on both sides of the left end surface and on both sides of the corresponding right end surface, a plurality of sleeve fixing holes (24413) around the right end surface, a plurality of sleeve installation through holes (24414) on both sides of the left end surface and a drum bolt groove (24415) in the middle of the right end surface, which is consistent in width and depth with the spindle bolt groove (24314) of the spindle (2431) and can be aligned when the drum assembly (244) is assembled outside the spindle support assembly (241); the drum bolt (2442) is fixed in the spindle bolt groove (24314), and is located in the drum bolt groove (24415) aligned with the main shaft bolt groove (24314), for outputting the rotational power of the main shaft (2431) to the drum group (244); a plurality of the end sealing plate soft connection components (2443) respectively pass through a plurality of the sleeve mounting holes (24414) and are fixed in a plurality of the sleeve fixing holes (24413) for fixing the end sealing plate (245), and a plurality of the end sealing plate soft connection components (2443) apply a sensitive elastic force to the end sealing plate (245) so that the end sealing plate (245) carries the end sealing plate sealing band (246) fixed in the end sealing plate sealing band groove (2451) on the right side of the end sealing plate (245) and performs a tight dynamic seal with the left end face of the end bushing (213) fixed on the stirring cover tube (212).

7. The vacuum satellite mixer according to claim 6, wherein the end sealing plate soft connection assembly (2443) comprises a sleeve (24431), a slide rod (24432), a looper (24433) and a compression spring (24434), wherein the sleeve (24431) passes through the sleeve installation hole (24414) of the rotating drum (2441) and is fixed in the sleeve fixing hole (24413) of the rotating drum (2441), and the slide rod (24432) passes through the sleeve installation hole (24414) of the rotating drum (2441) and is inserted into the sleeve (24431). 4431), the rod tail of the sliding rod (24432) passes through the sliding sleeve (24431) and is exposed outside the right side of the rotating drum (2441), the loop (24433) on the left and the compression spring (24434) on the right are both passed through the rod tail of the sliding rod (24432) and exposed outside the right side of the rotating drum (2441), the end surfaces of the rod tails of multiple sliding rods (24432) are used to fix the end sealing plate (245), and the multiple compression springs (24434) are all kept in a compressed state and can continue to be compressed, exerting a sensitive elastic force on the end sealing plate (245).

8. The vacuum satellite mixer according to claim 7, wherein the satellite mixing group (247) comprises a satellite shaft (2471), a satellite gear (2472), two satellite shaft bearings (2473), a satellite shaft end sleeve (2474) and the mixing paddle (2475), the outer rings of the two satellite shaft bearings (2473) are respectively sleeved in two rotating drum satellite bearing seat holes (24412) on both sides of the rotating drum (2441), the satellite shaft (2471) partially passes through the end sealing plate satellite shaft hole (2452) of the end sealing plate (245) from right to left, and the middle part of the satellite shaft (2471) is sleeved in the inner rings of the two satellite shaft bearings (2473), The satellite gear (2472) is fixed to the left end of the satellite shaft (2471) for meshing with the fixed gear (242); the satellite shaft end sleeve (2474) is sleeved on the outside of the middle right end of the satellite shaft (2471) and fixed on the right side of the end sealing plate (245) which is pressed by a plurality of end sealing plate soft connection components (2443) to dynamically seal the satellite shaft hole (2452) of the end sealing plate; the stirring paddle (2475) is fixed to the outside of the left end of the satellite shaft (2471); the satellite gear (2472) can be differentially rotated by the fixed gear (242) to drive the satellite shaft (2471) together with the stirring paddle (2475) to rotate and stir the powder.

9. The vacuum satellite mixer according to claim 8, wherein the stirring paddle (2475) comprises a stirring paddle head (24751), two stirring paddle shoulders (24752), two stirring paddle arms (24753) and a stirring paddle foot (24754), wherein the stirring paddle head (24751) is fixed to the left end of the satellite shaft (2471), the two stirring paddle shoulders (24752) are symmetrically distributed on both sides of the stirring paddle head (24751), and the two stirring paddle arms (24753) are symmetrically distributed on both sides of the stirring paddle head (24751). 3) the two stirring paddle shoulders (24752) are respectively connected, and the stirring paddle foot (24754) is connected between the two stirring paddle arms (24753); when the satellite shaft (2471) together with the stirring paddle (2475) rotates around the center line of the satellite shaft (2471) like a satellite, the top surface generatrix of the stirring paddle shoulder (24752) rotates to form the top surface (24761) of the stirring paddle cylinder and is close to the outer end surface (24761) of the end bushing (213) 2132), the oppositely twisted side generatrixes of the two stirring paddle arms (24753) rotate to form the side surface (24762) of the stirring paddle cylinder, the bottom generatrix of the stirring paddle foot (24754) rotates to form the bottom surface (24763) of the stirring paddle cylinder, the top surface (24761) of the stirring paddle cylinder, the side surface (24762) of the stirring paddle cylinder and the bottom surface (24763) of the stirring paddle cylinder are combined to form the stirring area of ​​the stirring paddle cylinder (2476); When the stirring drive member (230) drives the two stirring paddles (2475) of the stirring mechanism (240) to revolve together like a planet through the stirring transmission system (220), the two stirring paddle cylinders (2476) of the two stirring paddles (2475) that rotate simultaneously partially overlap and revolve together, forming a stirring area of ​​a satellite stirring cylinder (2477) without a gap, which can disperse and evenly stir the powder in the stirring area of ​​the satellite stirring cylinder (2477).

10. The vacuum satellite mixer according to claim 2, wherein the mixing drum (300) comprises a drum (310), an inlet valve (320), an NPM recovery valve (330), a discharge valve (340), a vacuum valve (350), a vacuum gauge (360), an atmospheric valve (370) and an observation window (380), wherein the drum (310) comprises a hollow drum cavity (311), and the drum (310) is fixed between the end bushings (213) of the two satellite mixers (200), so that the drum cavity (311) of the drum (310) becomes the drum cavity (311) of the satellite mixer (200). The cylindrical sealed cavity, the stirring bracket sealing ring (214) is fixed in the end bushing outer sealing groove (2131) on the outer end surface of the end bushing (213) to seal the cylindrical sealed cavity; the diameter of the cylindrical sealed cavity and the side generatrix of the two stirring paddles (2475) leave only a gap for the stirring paddles (2475) to move, the length of the cylindrical sealed cavity and the bottom generatrix of the two stirring paddles (2475) leave only a gap for the two stirring paddles (2475) to move, and the two satellite stirring devices (200) of the two satellite stirring devices (200) are The cylinder (2477) forms a double-length satellite stirring cylinder with only a movable gap between the cylindrical sealed cavity and the two satellite stirring devices (200) can disperse and evenly stir the powder in the stirring drum (300); the feed valve (320) is fixed on the upper part of the drum (310) for adding raw material powder to be stirred, the discharge valve (340) is fixed on the lower part of the drum (310) for discharging the stirred powder, the vacuum valve (350), the vacuum gauge (360), the atmospheric valve (370) and the observation window (3 The vacuum valve (350) is used to evacuate the cylindrical sealed cavity, the vacuum gauge (360) is used to measure and display the vacuum degree in the cylindrical sealed cavity, the atmospheric valve (370) is used to break the vacuum in the cylindrical sealed cavity, the observation window (380) is used to observe the inside of the cylindrical sealed cavity, and the NPM recovery valve (330) is fixed on the upper part of the cylinder (310) next to the feed valve (320) and is used to remove the fine dust in the cylindrical sealed cavity when needed after vacuum stirring.

Images