CN117182596A - High-precision special direct-drive rotary table - Google Patents

Abstract

The utility model discloses a high-precision special direct-drive rotary table, which comprises a bottom plate, a direct-drive motor, a motor support, a direct-drive cradle motor and a rotary table plate, wherein a spray pipe for spraying cutters and workpieces is arranged on the upper side of the direct-drive motor, a collecting box for storing scraps is arranged on the bottom plate and below the direct-drive cradle motor, a water outlet is formed in one end of the bottom wall of the collecting box, a lifting ring table is arranged in the water outlet, a water-proof flexible film is arranged between the lifting ring table and the water outlet, a driving assembly for driving the lifting ring table to move upwards or downwards above the water outlet is arranged on the lower side of the bottom plate, a storage box is further arranged on one side of the bottom plate, a storage pipe extending towards one side of the water outlet is arranged on the upper side of the storage box, and a storage bucket positioned below the water outlet is arranged at one end of the water outlet, which is far away from the storage box. When the scraps produced during the processing of the workpiece fall from the turntable plate, the scraps can be collected by the collecting box positioned on the bottom plate.

Description

A high-precision dedicated direct-drive rotary table

Technical field

The invention belongs to the technical field of rotary table design, and particularly relates to a high-precision dedicated direct-drive rotary table.

Background technique

The five-axis CNC machining center has a machining head. The processing tool head can move in three directions: X, Y, and Z. On this basis, the machining center adds a cradle turntable for placing the workpieces to be processed. The use of the cradle turntable increases the processing dimension of the machining center, that is, the cradle turntable can swing and rotate the workpiece to be processed. In other words, the machining head and the cradle turntable work together on the workpiece to achieve five-axis linkage processing, thereby enabling Achieving the processing of complex curved surfaces has promoted aerospace, medical and other industries and improved processing efficiency and processing accuracy.

Currently, the Chinese patent with the publication number CN219420475 and the publication date of July 25, 2023 discloses a cradle five-axis torque motor structure. Its structure includes: motor support, torque motor, cradle shaft turntable, locking shaft plate base, Double-layer protection module, workbench, cradle shaft turntable is nested on the front side of the torque motor, the torque motor is installed on the top of the motor support, the motor support and the torque motor are buckled together and perpendicular to each other, and the shaft locking plate base Nested on the front side of the cradle shaft turntable, this utility model realizes the use of a torque motor to cooperate with the cradle shaft turntable, fixing and clamping complex negative angle parts through the cross bottom bracket of the cross shaft core disk, and cooperates with the hanging ear plate bracket The workpiece rotates up and down along the arc base of the cradle, and the torque of the torque motor and the cross axis core plate are flipped horizontally, forming a three-dimensional anti-offset bite and stable operation effect of the torque inertia of the torque motor, and improving the stability and protection of the five-axis torque motor structure of the cradle. and flexible adaptability.

The torque motor can be used to drive the cradle shaft turntable to swing, and the cradle shaft turntable itself can rotate, thereby realizing the swing and rotation of the workpiece to be processed. There will be more debris falling when the workpiece is processed. At this time, if Failure to collect these debris will cause the surrounding environment to be affected.

Contents of the invention

The purpose of the present invention is to provide a high-precision dedicated direct-drive rotary table that is conducive to efficient collection of debris generated during processing.

The above technical purpose of the utility model is achieved through the following technical solutions: a high-precision dedicated direct-drive rotary table, including a base plate, a direct-drive motor located at one end of the base plate, a motor support located at the other end of the base plate, and a rotating connection A direct drive cradle motor between the direct drive motor and the motor support, and a turntable plate located at the upper end of the direct drive cradle motor for workpiece clamping. The direct drive cradle motor includes a shell, an upper end cover fixed on the upper end of the shell, The lower end cover is fixed on the lower end of the casing, the motor stator is fixed in the casing, the motor rotor is located inside the motor stator, and the mandrel is fixed on the motor rotor and the upper end is connected to the turntable plate. The upper side of the direct drive motor is provided with a useful For the spray pipe that sprays the cutting tool and the workpiece, a collection box for collecting debris is provided on the bottom plate and below the direct drive cradle motor, and a drainage outlet is provided at one end of the bottom wall of the collection box. A lifting ring platform is provided in the mouth, a water-proof flexible membrane is provided between the lifting ring platform and the drainage outlet, and a lifting ring platform is provided on the underside of the bottom plate to drive the lifting ring platform to move above the drainage outlet or move downward to below the drainage outlet. Drive assembly, a storage box is also provided on one side of the bottom plate, a storage tube extending toward the drain outlet is provided on the upper side of the storage box, and an end of the storage pipe away from the storage box is provided with a storage tube located below the drain outlet. Storage bucket.

By adopting the above technical solution, when the debris generated during the processing of the workpiece falls from the turntable plate, the collection box located on the bottom plate can collect the debris; the spray pipe is used to spray the cutting tool and the workpiece. The cooling water can wash away the debris on the turntable plate to prevent the debris from being stuck and affecting the cutting efficiency. At this time, the cooling water can be used as a debris dredging agent, which further facilitates the efficient collection of debris in the collection box; At the same time, the cooling water lubricates the surfaces of the tool and workpiece, thereby reducing wear and ultimately improving cutting accuracy;

At the same time, the driving assembly is used to push the lifting ring in the drainage outlet to move above the drainage outlet. At this time, the water-proof flexible membrane can block the cooling water in the collection box, allowing the cooling water to stand in the collection box until the cooling water overflows to At the lifting ring above the drain outlet, the supernatant liquid can then pass through the lifting ring and then fall into the storage bucket, which will ultimately facilitate the separation of debris in the cooling water;

When it is necessary to clean the debris at the bottom of the collection box, the driving assembly is again used to drive the lifting ring in the drain outlet to move below the drain outlet. At this time, the water-proof flexible membrane can drop to the lower side of the drain outlet without losing the isolation After the barrier effect of the water flexible film, the debris and cooling water located at the bottom of the collection box can fall along the drain outlet, and some of the debris adhered to the bottom of the collection box can be flushed from the drain outlet by flushing.

The utility model is further configured as follows: a recycling pump is provided on the side wall of the storage box, and a recycling pipe is provided on the recycling pump with one end connected to the drainage port of the recycling pump and the other end connected to the spray pipe. .

By adopting the above technical solution, after the clear cooling water enters the storage box, it can be transported into the spray pipe again using the reuse pump and reuse pipe, thereby realizing the reuse of the cooling water.

The utility model is further configured such that the bottom wall of the collection box is inclined toward one end.

By adopting the above technical solution and utilizing the bottom wall of the collection box to tilt toward one end, it is possible to facilitate the cooling water to quickly flow into the location adjacent to the drain outlet.

The utility model is further configured as follows: the bottom wall of the collection box is provided with a plurality of interception platforms evenly spaced along the inclination direction of the bottom wall of the collection box, and the cross section of the interception platform is at a right angle and coincides with the bottom wall of the collection box. Right triangle.

By adopting the above technical solution, multiple interception platforms can be used to intercept debris in the cooling water, thereby preventing excessive debris from collecting near the drain outlet, and ultimately preventing excessive debris from overflowing the water barrier after accumulation. Flexible membrane.

The utility model further provides that: the outer wall of the lower end cover is provided with a plurality of heat dissipation fins for immersing under the water surface in the collection box.

By adopting the above technical solution, the heat dissipation fins on the lower end cover can be submerged under the water surface in the collection box, which is beneficial to speeding up the heat dissipation of the direct drive cradle motor.

The utility model is further configured as follows: the driving assembly includes a connection platform arranged on the lower side of the collection box and located at the position of the drain outlet, a connection port opened on the connection platform and communicating with the drain outlet, and a fixing station provided on one side of the connection platform. plate, a sliding rod slidably connected to the fixed plate, a push plate located on the sliding rod and used to be embedded in the connection port, fixed seats provided at both ends of the push plate, a rotating shaft rotatably connected to the fixed seat, and one end hinged A swing arm at the end of the rotating shaft and the other end hinged to the end of the sliding rod, a baffle provided on the connecting platform and located at one end of the connecting port away from the push plate, and a baffle installed on the fixed plate and used to push the sliding rod away The baffle or the telescopic member that moves close to the side of the baffle.

By adopting the above technical solution, when the telescopic member pushes the sliding rod to move toward the side closer to the baffle, the sliding rod drives the swing arm and the push plate to move toward the side closer to the baffle, until the end of the swing arm away from the sliding rod contacts the After pushing the plate, the swing arm can swing upward relative to the sliding rod. At this time, the two swing arms can drive the push plate upward, so that the push plate moves upward and then touches the lifting ring platform, and finally drives the lifting ring platform. Move up to above the drain;

When the telescopic part reversely drives the sliding rod to move toward the side away from the baffle, the sliding rod will first swing downward relative to the sliding rod. At this time, the two swing arms can drive the push plate downward, so that the push plate After falling from the connection port, the lifting ring platform can fall under the action of its own gravity, and finally the lifting ring platform can be moved down to the bottom of the drain outlet.

The utility model further provides that the sliding rod has a dovetail-shaped cross section, a slide rail is provided on the fixed plate, and a dovetail chute is provided on the side wall of the slide rail for the sliding rod to be embedded.

By adopting the above technical solution, the sliding rod with a dovetail-shaped cross section is embedded in the dovetail chute on the fixed plate, which can facilitate the stable back and forth movement of the sliding rod along the slide rail.

The utility model is further configured as follows: the telescopic member includes a first connecting rod provided on the sliding rod, a second connecting rod provided on an end of the fixed plate away from the baffle, one end is connected to the first connecting rod, and the other end is connected to the first connecting rod. The second connecting rod connects the thrust cylinder.

By adopting the above technical solution, the expansion and contraction of the thrust cylinder can be used to drive the sliding rod to move toward the side away from the baffle or close to the baffle.

The utility model is further configured as follows: a guide wheel for resisting the baffle is rotatably connected to the rotating shaft located on the side close to the baffle.

By adopting the above technical solution, the guide wheel on the rotating shaft is used to resist against the baffle. At this time, rolling friction is generated between the guide wheel and the baffle. Since the rolling friction has smaller friction than the sliding friction, it can finally be achieved. It is beneficial for the swing arm to swing up and down smoothly at the baffle.

The beneficial effects of this utility model are: when the debris generated during the processing of the workpiece falls from the turntable plate, the collection box located on the bottom plate can collect the debris; the spray pipe is used to spray the cutter and the workpiece. The sprayed cooling water can wash away the debris on the turntable plate, preventing the debris from being stuck and affecting the cutting efficiency. At this time, the cooling water can be used as a debris dredging agent, which further facilitates the efficient collection of debris in the collection box. Collect; at the same time, the cooling water lubricates the surface of the tool and the workpiece, thereby reducing wear and ultimately improving cutting accuracy;

At the same time, when the thrust cylinder is used to push the sliding rod to move toward the side closer to the baffle, the sliding rod drives the swing arm and the push plate to move toward the side closer to the baffle. When the guide wheel hits the push plate, the swing arm can Swing upward relative to the sliding rod on the baffle. At this time, the two swing arms can drive the push plate upward, causing the push plate to move upward and then contact the lifting ring platform. Finally, the lifting ring table can be driven to move to the drain outlet. above; at this time, the water-proof flexible film can block the cooling water in the collection box, allowing the cooling water to stand in the collection box until the cooling water overflows to the lifting ring above the drain outlet, and then the supernatant liquid can pass through After passing through the lifting ring, it falls into the storage bucket, which will eventually help to separate the debris in the cooling water; after the clear cooling water enters the storage box through the storage bucket, the reuse pump and reuse pipe can be used Transport it into the spray pipe again to realize the reuse of cooling water;

When the debris at the bottom of the collection box needs to be cleaned, the telescopic part is used again to drive the sliding rod in reverse direction to move toward the side away from the baffle. The sliding rod will first swing downward relative to the sliding rod on the baffle. At this time, the two swing arms can drive the push plate downward, causing the push plate to fall from the connection port. At this time, the lifting ring table can fall under its own gravity, and finally the lifting ring table can be moved down to the bottom of the drain outlet. At this time, the water-proof flexible film can fall into the lower side of the drain outlet. After losing the blocking effect of the water-proof flexible film, the debris and cooling water at the bottom of the collection box can fall along the drain outlet. Some of the adherent Debris at the bottom of the collection box can be washed down from the drain outlet by flushing.

Description of the drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic structural diagram of the present invention without the collection box, driving assembly and storage box;

Figure 2 is a structural cross-sectional view of the direct drive cradle motor in the present invention;

Figure 3 is a schematic structural diagram of the present invention;

Figure 4 is an enlarged structural view of the collection box in the present invention;

Figure 5 is a partial enlarged view of the connection relationship between the collection box and the driving assembly in the present invention;

Figure 6 is a plan view of the connection relationship between the collection box and the driving assembly in the present invention. At this time, the thrust cylinder reversely drives the sliding rod to move toward the side away from the baffle, causing the push plate to fall from the connection port and the lifting ring table to move downward. below the drain;

Figure 7 is a plan view of the connection relationship between the collection box and the driving assembly in the present invention. At this time, the thrust cylinder drives the sliding rod to move toward the side close to the baffle, so that the push plate moves upward and then contacts the lifting ring platform, and then the lifting ring Move the table above the drain outlet.

In the figure, 1. Base plate; 2. Direct drive motor; 21. Spray pipe; 3. Motor support; 4. Direct drive cradle motor; 401. Shell; 41. Upper end cover; 42. Lower end cover; 421. Heat dissipation Fins; 43. Motor stator; 44. Motor rotor; 45. Core shaft; 5. Turntable plate; 6. Collection box; 61. Drainage outlet; 62. Lifting ring platform; 63. Water-proof flexible membrane; 64. Retention platform ; 7. Drive component; 71. Connection platform; 72. Connection port; 73. Fixed plate; 731. Slide rail; 732. Dovetail slide; 74. Sliding rod; 75. Push plate; 76. Fixed seat; 77. Rotating shaft; 771, guide wheel; 78, swing arm; 79, baffle; 701, telescopic part; 7011, first connecting rod; 7012, second connecting rod; 7013, thrust cylinder; 8, storage box; 81, storage tube ; 82. Storage bucket; 83. Recycling pump; 84. Recycling pipe.

Detailed ways

The technical solutions in the embodiments will be described clearly and completely below. Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

A high-precision special-purpose direct-drive rotary table. Refer to Figures 1 and 2. This high-precision special-purpose direct-drive rotary table includes a base plate 1, a direct-drive motor 2 located at one end of the base plate 1, and a motor support located at the other end of the base plate 1. Base 3. A direct drive cradle motor 4 that is rotatably connected between the direct drive motor 2 and the motor support 3. A turntable plate 5 located at the upper end of the direct drive cradle motor 4 and used for clamping workpieces. The direct drive cradle motor 4 includes a housing. 401. Upper end cover 41, lower end cover 42, motor stator 43, motor rotor 44, core shaft 45. The upper end cover 41 is fixed on the upper side of the housing 401 through bolts, and the lower end cover 42 is fixed on the lower side of the housing 401 through bolts, and A plurality of evenly spaced heat dissipation fins 421 are welded on the outer wall of the lower end cover 42. At the same time, the motor stator 43 is fixed in the housing 401 through bolts, and the motor rotor 44 is located inside the motor stator 43, and the core shaft 45 is fixed through bolts. Fixed on the motor rotor 44, and the turntable plate 5 is fixed on the upper end of the core shaft 45 through bolts, the motor rotor 44 can drive the turntable plate 5 to rotate through the core shaft 45; since the internal driving structures of the direct drive motor 2 and the direct drive cradle motor 4 are the same , so we won’t go into details here.

Referring to Figures 3 and 4, a spray pipe 21 is fixed with bolts on the upper side of the direct drive motor 2. The cooling water sprayed from the spray pipe 21 can be used to spray the tool and the workpiece; wherein the bottom plate 1 is located on the base plate 1. A collection box 6 for collecting debris is fixed with bolts below the direct drive cradle motor 4. At this time, the heat dissipation fins 421 on the lower end cover 42 can be submerged under the water in the collection box 6, and the heat dissipation fins 421 are in contact with the collection box. There is a gap between the 6 bottom walls to prevent the heat dissipation fins 421 from interfering with the bottom wall of the collection box 6 when the direct drive cradle motor 4 swings, and the bottom wall of the collection box 6 is inclined toward one end, and the lower end of the bottom wall of the collection box 6 A drainage outlet 61 is provided, and the bottom wall of the collection box 6 is integrally provided with a plurality of interception platforms 64 evenly spaced along the inclined direction of the bottom wall of the collection box 6, and the cross section of the interception platform 64 is at right angles to the collection box. 6 A right triangle with overlapping bases.

Referring to Figures 3, 4, and 5, a lifting ring 62 is provided in the drainage outlet 61, and a water-proof flexible membrane 63 is provided between the lifting ring 62 and the drainage outlet 61. The water-proof flexible membrane 63 is a plastic film and has one end. The other end is bonded to the drain outlet 61 and is bonded to the peripheral side of the lifting ring platform 62. A storage box 8 is also provided on one side of the bottom plate 1, and a storage tube extending toward the drain outlet 61 is provided on the upper side of the storage box 8. 81. At the same time, the end of the storage pipe 81 away from the storage box 8 is welded with a storage bucket 82 located below the drain outlet 61, and a recycling pump 83 with a water inlet connected to the bottom of the storage box 8 is installed on the side wall of the storage box 8, in which the recycle pump 83 is installed on the side wall of the storage box 8. The use pump 83 is also provided with a reuse pipe 84 with one end connected to the drain port 61 of the reuse pump 83 and the other end connected to the spray pipe 21, so that the cooling water can be reused.

Referring to Figures 4, 5, 6, and 7, a driving assembly 7 is also provided on the lower side of the base plate 1. The driving assembly 7 is used to drive the lifting ring 62 to move upward to the drain outlet 61 or to move downward to the drain outlet 61. The driving assembly 7 below includes a connecting platform 71, a connecting port 72, a fixed plate 73, a sliding rod 74, a push plate 75, a fixed seat 76, a rotating shaft 77, a swing arm 78, a baffle 79, and a telescopic member. 701, in which the connecting platform 71 is integrally provided on the lower side of the collection box 6 and is located at the drain port 61, and the connecting port 72 is opened on the connecting platform 71 and communicates with the drain port 61, and the fixing plate 73 is welded to one side of the connecting platform 71, The sliding rod 74 is slidably connected to the fixed plate 73. The sliding rod 74 has a dovetail-shaped cross-section. The fixed plate 73 is integrally provided with a slide rail 731 extending in the horizontal direction. At the same time, there are openings on the side walls of the slide rail 731. There is a dovetail chute 732 for the sliding rod 74 to be embedded; the push plate 75 is located on the upper side of the sliding rod 74 and is used to be embedded in the connection port 72, and the fixed base 76 is welded to the lower side of both ends of the push plate 75. At the same time, one end of the rotating shaft 77 is rotatably connected to the fixed seat 76 through a bearing, and two swing arms 78 are provided and are respectively located at both ends of the push plate 75. One end of the swing arm 78 is hinged to the end of the rotating shaft 77 and the other end is hinged to the slide. The end of the moving rod 74, and the baffle 79 is integrally provided on the connecting platform 71 and is located at the end of the connecting port 72 away from the push plate 75. At the same time, it is located on the rotating shaft 77 on the side close to the baffle 79 and is rotationally connected through a bearing for resistance. The guide wheel 771 is on the baffle 79; the telescopic member 701 is provided on the fixed plate 73 and is used to push the sliding rod 74 to move away from the baffle 79 or close to the baffle 79. The telescopic member 701 includes The first connecting rod 7011, the second connecting rod 7012 and the thrust cylinder 7013, where the first connecting rod 7011 is welded on the sliding rod 74, and the second connecting rod 7012 is welded on the end of the fixed plate 73 away from the baffle 79, and at the same time One end of the thrust cylinder 7013 is connected to the first connecting rod 7011 through bolts, and the other end is connected to the second connecting rod 7012 through bolts.

Principle: When the debris generated during the processing of the workpiece falls from the turntable plate 5, the collection box 6 located on the bottom plate 1 can collect the debris; the spray pipe 21 is used to spray the cutting tool and the workpiece. The cooling water can wash away the debris on the turntable plate 5 to prevent the debris from being stuck and affecting the cutting efficiency. At this time, the cooling water can be used as a debris dredging agent, which further facilitates the efficient removal of debris by the collection box 6 Collect; at the same time, the cooling water lubricates the surface of the tool and the workpiece, thereby reducing wear and ultimately improving cutting accuracy.

At the same time, when the thrust cylinder 7013 is used to push the sliding rod 74 to move toward the side closer to the baffle 79, the sliding rod 74 drives the swing arm 78 and the push plate 75 to move toward the side closer to the baffle 79, and the guide wheel 771 is moved to the position where it resists the pushing force. After the plate 75 is on, the swing arm 78 can swing upward relative to the sliding rod 74 on the baffle 79. At this time, the two swing arms 78 can drive the push plate 75 upward, so that the push plate 75 moves upward and then touches the lifting ring. On the platform 62, the lifting ring platform 62 can finally be driven to move up to the top of the drain outlet 61; at this time, the water-proof flexible membrane 63 can block the cooling water in the collection box 6, so that the cooling water remains in the collection box 6 until The cooling water overflows to the lifting ring 62 above the drain outlet 61, and then the supernatant liquid can pass through the lifting ring 62 and then fall into the storage bucket 82, which ultimately facilitates the separation of debris in the cooling water. ; After the clear cooling water enters the storage box 8 through the storage bucket 82, it can be transported into the spray pipe 21 again using the reuse pump 83 and the reuse pipe 84, thereby realizing the reuse of the cooling water.

When the debris at the bottom of the collection box 6 needs to be cleaned, the thrust cylinder 7013 is again used to reversely drive the sliding rod 74 to move toward the side away from the baffle 79. The sliding rod 74 will first slide relatively on the baffle 79. The rod 74 swings downward. At this time, the two swing arms 78 can drive the push plate 75 downward, so that the push plate 75 falls from the connection port 72. At this time, the lifting ring platform 62 can fall under the action of its own gravity, and finally That is to say, the lifting ring platform 62 can be moved down to the bottom of the drain outlet 61. At this time, the water-proof flexible membrane 63 can drop to the lower side of the drain outlet 61, and after losing the blocking effect of the water-proof flexible membrane 63, it is located at the bottom of the collection box 6. The debris and cooling water can fall along the drain port 61, and some debris adhered to the bottom of the collection box 6 can be washed down from the drain port 61 by flushing.

Claims (9)

1. A high-precision dedicated direct-drive rotary table, including a base plate (1), a direct-drive motor (2) located at one end of the base plate (1), a motor support (3) located at the other end of the base plate (1), and a rotating The direct drive cradle motor (4) is connected between the direct drive motor (2) and the motor support (3), and the turntable plate (5) located at the upper end of the direct drive cradle motor (4) for clamping the workpiece. The cradle drive motor (4) includes a housing (401), an upper end cover (41) fixed on the upper end of the housing (401), a lower end cover (42) fixed on the lower end of the housing (401), and a lower end cover (42) fixed on the lower end of the housing (401). The motor stator (43) inside the motor stator (43), the motor rotor (44) located inside the motor stator (43), and the mandrel (45) fixed on the motor rotor (44) and whose upper end is connected to the turntable plate (5) are characterized by: The upper side of the direct drive motor (2) is provided with a spray pipe (21) for spraying the cutting tools and workpieces, and the bottom plate (1) is provided with a crushing machine under the direct drive cradle motor (4). A collection box (6) for storing scraps. A drainage outlet (61) is provided at one end of the bottom wall of the collection box (6). A lifting ring platform (62) is provided in the drainage opening (61). The lifting ring A water-proof flexible membrane (63) is provided between the platform (62) and the drainage outlet (61), and a lifting ring platform (62) is provided on the underside of the bottom plate (1) to move upward to the top of the drainage outlet (61) or Move down to the driving assembly (7) below the drain outlet (61). A storage box (8) is also provided on one side of the bottom plate (1). A storage box (8) is provided on the upper side of the storage box (8) toward the drain outlet (61). 61) A storage tube (81) extending on one side. The end of the storage tube (81) away from the storage box (8) is provided with a storage bucket (82) located below the drainage outlet (61). 2. A high-precision dedicated direct-drive rotary table according to claim 1, characterized in that: a reuse pump (83) is provided on the side wall of the storage box (8), and the reuse pump (83 ) is provided with a recycling pipe (84) with one end connected to the drain outlet (61) of the recycling pump (83) and the other end connected to the spray pipe (21). 3. A high-precision dedicated direct-drive rotary table according to claim 1, characterized in that the bottom wall of the collection box (6) is inclined toward one end. 4. A high-precision dedicated direct-drive rotary table according to claim 3, characterized in that: the bottom wall of the collection box (6) is provided with a plurality of inclined directions along the bottom wall of the collection box (6). Interception platforms (64) are evenly spaced, and the cross-section of the interception platforms (64) is in the form of a right-angled triangle with right-angled sides coinciding with the bottom wall of the collection box (6). 5. A high-precision dedicated direct-drive rotary table according to claim 1, characterized in that: the outer wall of the lower end cover (42) is provided with a plurality of submersible water submersibles for immersing in the collection box (6). cooling fins (421). 6. A high-precision dedicated direct-drive rotary table according to claim 1, characterized in that: the driving assembly (7) includes a connection provided on the lower side of the collection box (6) and located at the drain outlet (61). Platform (71), a connecting port (72) provided on the connecting platform (71) and communicating with the drain outlet (61), a fixed plate (73) provided on one side of the connecting platform (71), and a fixed plate (73) slidably connected to the fixed plate The sliding rod (74) on (73), the push plate (75) located on the sliding rod (74) and used to be embedded in the connection port (72), and the fixed seats (75) provided at both ends of the push plate (75) 76), a rotating shaft (77) that is rotatably connected to the fixed base (76), a swing arm (78) with one end hinged at the end of the rotating shaft (77) and the other end hinged at the end of the sliding rod (74), arranged on the connecting The baffle (79) on the table (71) and located at the end of the connection port (72) away from the push plate (75) is provided on the fixed plate (73) and used to push the sliding rod (74) away from the baffle (79). 79) or the telescopic member (701) that moves close to the side of the baffle (79). 7. A high-precision dedicated direct-drive rotary table according to claim 6, characterized in that: the sliding rod (74) has a dovetail-shaped cross section, and a slide rail (73) is provided on the fixed plate (73). 731), the side wall of the slide rail (731) is provided with a dovetail slide groove (732) for the sliding rod (74) to be embedded. 8. A high-precision dedicated direct-drive rotary table according to claim 6, characterized in that: the telescopic member (701) includes a first connecting rod (7011) arranged on the sliding rod (74), The second connecting rod (7012) at the end of the fixed plate (73) away from the baffle (79), the thrust cylinder (7013) with one end connected to the first connecting rod (7011) and the other end connected to the second connecting rod (7012) . 9. A high-precision dedicated direct-drive rotary table according to claim 6, characterized in that: the rotating shaft (77) located on the side close to the baffle (79) is rotatably connected with the baffle (79). guide wheel (771).