A high-precision bearing assembly and its manufacturing system

Abstract

This invention discloses a high-precision bearing assembly and its manufacturing system. The high-precision bearing assembly includes an outer ring, an inner ring, and balls, and also includes an insert that is inserted into the inner ring. The insert has a fixed insertion part, and the inner ring has a slot. The insertion part is inserted into the slot. Both the inner ring and the insert have positioning holes, and the positioning holes are connected after the insert is inserted into the inner ring. During assembly, the inner ring is placed inside the outer ring, and the balls are inserted through the hole at the position of the insert on the inner ring. Then, the insert is inserted into the inner ring, and a fixing pin is inserted into the positioning hole connecting the insert and the inner ring. The fixing pin is then tightened with a nut to fix the insert. This fixes the insert. When the insert is inserted into the inner ring, the insertion part is connected to the slot, which improves the stability of the fixing pin when it is inserted into the positioning hole, thus preventing damage to the raceways of the inner and outer rings during ball assembly.

Description

Technical Field

[0001] This invention relates to the field of bearing technology, and more specifically to a high-precision bearing assembly and its manufacturing system. Background Technology

[0002] Bearings are an indispensable core component in mechanical systems. They are used to "support rotating parts, reduce frictional loss, and transmit motion loads." The core working principle of rolling bearings is to convert sliding friction into rolling friction by rolling the rolling elements between the inner and outer raceways, thereby significantly reducing energy loss and supporting the movement of the rotating shaft.

[0003] In the production and assembly of existing rolling bearings, the methods of heating assembly, cooling assembly, and hydraulic assembly are usually used. This process is not only cumbersome, but also prone to damaging the inner and outer raceways of the bearing. Summary of the Invention

[0004] The purpose of this invention is to provide a high-precision bearing assembly and its manufacturing system to overcome the above-mentioned shortcomings in the prior art.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] A high-precision bearing assembly includes an outer ring, an inner ring, and balls, and also includes an insert that is inserted into the inner ring;

[0007] The insert is fixedly provided with a plug-in part, the inner ring is provided with a slot, the plug-in part is plugged into the plug-in slot, and both the inner ring and the insert are provided with positioning holes, and the positioning holes are connected after the insert is plugged into the inner ring.

[0008] It also includes a retaining pin that passes through a positioning hole and is screwed to a nut.

[0009] A high-precision bearing assembly manufacturing system is used to manufacture the aforementioned high-precision bearing assembly. It includes a base and a centrifuge cylinder, as well as an insertion tube and a collection box. Two support rods are rotatably arranged on the insertion tube, and two sliding grooves are provided on the collection box. Sliding blocks are fixedly arranged on both support rods, and the two sliding blocks are slidably arranged in the two sliding grooves respectively.

[0010] The two support rods have opposite inclination angles, and gears are fixedly installed on both support rods, with the two gears meshing for transmission.

[0011] The collection box is provided with a scraping part, and a base plate is rotatably provided on the collection box, with a counterweight fixedly provided on the base plate;

[0012] It also includes a limiting component, which is used to limit the bottom plate when the probe tube is removed from the centrifuge tube.

[0013] Preferably, a push rod is slidably disposed on the probe tube, a rotating plate is fixedly disposed on one of the gears, a third protrusion is fixedly disposed on the rotating plate, an abutment groove is disposed on the push rod, and the third protrusion is slidably disposed in the abutment groove, the abutment groove including a vertical part and a compensation part.

[0014] Preferably, the limiting component includes a limiting block slidably disposed on the probe tube, and the limiting block abuts against the base plate when the probe tube is removed from the centrifuge tube.

[0015] Preferably, a first protrusion is fixedly provided on the limiting block, and a limiting groove is provided on the push rod. The first protrusion is slidably disposed in the limiting groove, and the limiting groove includes a horizontal part and an inclined part.

[0016] Preferably, a second spring is provided between the push rod and the probe tube, and the two ends of the second spring are fixedly connected to the push rod and the probe tube, respectively.

[0017] Preferably, the push rod is rotatably provided with two rotating tubes, the base is fixedly provided with two guide rods, and each of the two rotating tubes is slidably provided with a sliding rod. The two sliding rods correspond to the two guide rods respectively and are sleeved on the guide rods, and the two ends of the sliding rods abut against the guide rods.

[0018] Preferably, the guide rod is provided with a guide groove, and the sliding rod is fixedly provided with a second protrusion, which is slidably disposed in the guide groove. The guide groove includes a horizontal part and a spiral part.

[0019] Preferably, a vertical tube is slidably disposed on the base, and a straight rod is fixedly disposed on the push rod, the straight rod being slidably connected to the vertical tube;

[0020] A motor is fixedly mounted on the base, a screw is fixedly mounted on the output shaft of the motor, and a threaded sleeve is fixedly mounted on the vertical tube, with the threaded sleeve being threadedly connected to the screw.

[0021] Preferably, a top block is slidably disposed on the base, and a plurality of first springs are disposed between the top block and the base, with the two ends of the first springs being fixedly connected to the base and the top block, respectively.

[0022] In the above technical solution, the high-precision bearing assembly and its manufacturing system provided by the present invention have the following beneficial effects:

[0023] 1. During assembly, place the inner ring inside the outer ring, insert the ball bearing through the hole at the insert position on the inner ring, then insert the insert into the inner ring, and then insert the fixing pin into the positioning hole connecting the insert and the inner ring, and tighten the nut to fix the fixing pin, thereby fixing the insert. When the insert is inserted into the inner ring, the insertion part and the insertion groove are connected to improve the stability when the fixing pin is inserted into the positioning hole after the insert is inserted, and avoid damage to the raceway of the inner and outer rings during the ball bearing assembly process.

[0024] 2. During the casting process, the probe and collection box are inserted into the centrifuge cylinder, and the two gears are rotated. This rotates the support rod, and under the action of the sliding block and sliding groove, the collection box is lifted and moved upward. After the collection box moves upward, the scraping part on the collection box scrapes away the molten metal during the centrifugal casting process, controlling the thickness of the bearing ring after forming and avoiding the phenomenon that the thickness of the bearing ring after forming is too high, which increases the difficulty of subsequent processing.

[0025] It should be understood that the foregoing general description and the following detailed description are exemplary and illustrative only, and are not intended to limit this disclosure.

[0026] This application provides an overview of various implementations or examples of the technology described in this disclosure, and is not a full disclosure of the entire scope or all features of the disclosed technology. Attached Figure Description

[0027] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this invention. For those skilled in the art, other drawings can be obtained based on these drawings.

[0028] Figure 1 This is a schematic diagram of the bearing structure provided in an embodiment of the present invention;

[0029] Figure 2 This is a front view cross-section of the bearing and a schematic diagram of the insert structure provided in an embodiment of the present invention;

[0030] Figure 3 This is a schematic diagram of the overall structure on the base provided in an embodiment of the present invention;

[0031] Figure 4 This is a side cross-sectional view of the base and centrifuge cylinder provided in an embodiment of the present invention;

[0032] Figure 5 This is a schematic diagram of the probe tube and collection box structure provided in an embodiment of the present invention;

[0033] Figure 6 This is a schematic diagram of the sliding rod and guide rod structure provided in an embodiment of the present invention;

[0034] Figure 7 This is a schematic diagram of the internal structure of the probe provided in an embodiment of the present invention;

[0035] Figure 8 This is a schematic diagram of the support rod structure provided in an embodiment of the present invention;

[0036] Figure 9 This is a schematic diagram of the push rod structure provided in an embodiment of the present invention;

[0037] Figure 10 This is a schematic diagram of the base plate structure provided in an embodiment of the present invention;

[0038] Figure 11 Provided for embodiments of the present invention Figure 3 Enlarged view of point A in the middle.

[0039] Explanation of reference numerals in the attached figures:

[0040] 1. Base; 11. Centrifuge cylinder; 12. Top block; 13. First spring; 14. Waste trough; 15. Motor; 16. Screw; 2. Insertion tube; 21. Limiting block; 22. First protrusion; 23. Rotating tube; 24. Sliding rod; 25. Second protrusion; 3. Collection box; 31. Scraper; 32. Base plate; 33. Counterweight; 34. Sliding groove; 4. Support rod; 41. Gear; 42. Sliding block; 4 3. Rotating plate; 44. Third protrusion; 5. Push rod; 51. Vertical part; 52. Compensation part; 53. Horizontal part; 54. Inclined part; 55. Second spring; 56. Straight rod; 6. Guide rod; 61. Horizontal part; 62. Spiral part; 7. Vertical tube; 71. Threaded sleeve; 8. Outer ring; 81. Inner ring; 82. Ball bearing; 83. Slot; 9. Insert; 91. Insertion part; 92. Fixing pin; 93. Nut. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0042] Please see Figure 1-11A high-precision bearing assembly includes an outer ring 8, an inner ring 81, and balls 82. It also includes an insert 9, which is inserted into the inner ring 81. An insertion portion 91 is fixedly provided on the insert 9, and a slot 83 is provided on the inner ring 81. The insertion portion 91 is inserted into the slot. Both the inner ring 81 and the insert 9 have positioning holes, and these positioning holes are connected after the insert 9 is inserted into the inner ring 81. The assembly also includes a fixing pin 92, which passes through the positioning hole and is screwed onto a nut 93. During assembly, the inner ring 81 is placed inside the outer ring 8. Insert the ball 82 through the hole at the position of the insert 9 on the inner ring 81, then insert the insert 9 onto the inner ring 81, and then insert the fixing pin 92 into the positioning hole connecting the insert 9 and the inner ring 81, and tighten the nut 93 to fix the fixing pin 92, thereby fixing the insert 9. When the insert 9 is inserted into the inner ring 81, the insertion part 91 and the insertion groove are connected to improve the stability of the fixing pin 92 when it is inserted into the positioning hole, and avoid damage to the raceway of the inner and outer rings 8 during the assembly of the ball 82.

[0043] A high-precision bearing assembly manufacturing system, used for the aforementioned high-precision bearing assembly, includes a base 1 and a centrifuge cylinder 11, as well as an insertion tube 2 and a collection box 3. Two support rods 4 are rotatably mounted on the insertion tube 2, and two sliding grooves 34 are provided on the collection box 3. Sliding blocks 42 are fixedly mounted on each of the two support rods 4, and the two sliding blocks 42 are slidably disposed within the two sliding grooves 34 respectively. The two support rods 4 have opposite inclination angles, and gears 41 are fixedly mounted on each of the two support rods 4, with the two gears 41 meshing for transmission. The collection box 3 is provided with a scraping section 31, and a base plate 32 is rotatably mounted on the collection box 3. A counterweight 33 is fixedly mounted on the base plate 32. A limiting component is also included, used to limit the base plate 32 when the insertion tube 2 is removed from the centrifuge cylinder 11. During the casting process, the insertion tube 2 and the collection box 3 are extended into the centrifuge cylinder 11, and the two gears 41 are rotated, driving the support rods 4... The rotating mechanism, under the action of the sliding block 42 and the sliding groove 34, supports the collection box 3, causing it to move upwards. After the collection box 3 moves upwards, the scraping part 31 on the collection box 3 scrapes away the molten metal during the centrifugal casting process, controlling the thickness of the bearing ring after forming and avoiding the phenomenon that the thickness of the bearing ring after forming is too high, which increases the difficulty of subsequent processing. The two support rods 4 are set opposite to each other, and through the meshing of the two gears 41, the two support rods 4 rotate simultaneously, ensuring the stability of the collection box 3. The scraping part 31, through the gravity of the counterweight 33, makes the bottom plate 32 fit against the bottom of the collection box 3, sealing the bottom of the collection box 3 and preventing the molten metal falling into the collection box 3 from flowing out. After the scraping is completed, the limiting component limits the bottom plate 32 to prevent vibration when the probe tube 2 and the collection box 3 are removed from the centrifuge cylinder 11, which would cause the bottom plate 32 to become unstable in sealing the bottom of the collection box 3.

[0044] In a further embodiment of the present invention, a push rod 5 is slidably disposed on the probe tube 2, a rotating plate 43 is fixedly disposed on one of the gears 41, a third protrusion 44 is fixedly disposed on the rotating plate 43, an abutment groove is disposed on the push rod 5, and the third protrusion 44 is slidably disposed in the abutment groove. The abutment groove includes a vertical part 51 and a compensation part 52. The push rod 5 pushes the probe tube 2 and the collection box 3 into the centrifuge cylinder 11. After the insertion is completed, the probe tube 2 is limited, and the push rod 5 continues to slide. The vertical part 51 of the abutment groove pushes the third protrusion 44 to make the rotating plate 43 rotate with one of the gears 41. Then, through the rotation of the two gears 41, the two support rods 4 rotate simultaneously to complete the upward movement of the collection box 3.

[0045] Furthermore, the limiting component includes a limiting block 21 slidably disposed on the probe tube 2. When the probe tube 2 is removed from the centrifuge cylinder 11, the limiting block 21 abuts against the bottom plate 32. When the collection box 3 is not raised with the bottom plate 32 to scrape off the molten metal during the centrifugation process, the limiting block 21 abuts against the bottom plate 32. During the scraping process, the weight of the counterweight 33 makes the bottom plate 32 fit against the bottom of the collection box 3. After the scraping is completed, the collection box 3 moves down to reset, and the bottom plate 32 abuts against the limiting block 21. This ensures that the bottom plate 32 and the counterweight 33 are not unstable during the movement of the probe tube 2 and the collection box 3, and avoids the phenomenon of molten metal flowing out of the collection box 3 due to the unstable sealing of the bottom plate 32 against the collection box 3.

[0046] Furthermore, a first protrusion 22 is fixedly provided on the limiting block 21, and a limiting groove is provided on the push rod 5. The first protrusion 22 is slidably disposed in the limiting groove, which includes a horizontal part 53 and an inclined part 54. When the push rod 5 slides relative to the probe tube 2, causing the collection box 3 to rise, the first protrusion 22 moves from the connection between the horizontal part 53 and the inclined part 54 to one end of the horizontal part 53, so that when the collection box 3 rises, the limiting block 21 remains extended and does not affect the sliding of the push rod 5. When the push rod 5 slides in the opposite direction relative to the probe tube 2, the limiting block 21 moves downward under the action of the inclined part 54, disengaging from the bottom plate 32, allowing the bottom plate 32 to rotate and disengage from the collection box 3. The molten metal inside the collection box 3 flows out of the collection box 3. During this process, the third protrusion 44 slides to the compensation part 52 of the abutment groove, which does not affect the stability of the collection box 3. When the collection box 3 moves upward to scrape off the molten metal, the first protrusion 22 is located at one end of the horizontal part 53 of the limiting groove, and the third protrusion 44 is located at the upper end of the vertical part 51. After the collection box 3 moves downward to reset, the first protrusion 22 is located at the connection between the horizontal part 53 and the inclined part 54, and the third protrusion 44 is located at the lower end of the vertical part 51. When the push rod 5 slides in the opposite direction, the first protrusion 22 is located at one end of the inclined part 54, and the third protrusion 44 enters the compensation part 52, causing the limiting block 21 to disengage from the bottom plate 32, so that the molten metal inside the collection box 3 flows out.

[0047] In a further embodiment of the present invention, a second spring 55 is provided between the push rod 5 and the probe tube 2. The two ends of the second spring 55 are fixedly connected to the push rod 5 and the probe tube 2, respectively. Two rotating tubes 23 are rotatably mounted on the push rod 5, and two guide rods 6 are fixedly mounted on the base 1. Sliding rods 24 are slidably mounted on both rotating tubes 23. The two sliding rods 24 correspond to the two guide rods 6 and are sleeved on the guide rods 6. The two ends of the sliding rods 24 and the guide rods 6 abut against each other. During the sliding process with the probe tube 2, the second spring 55 is not compressed. With the force of tension, after the probe tube 2 enters the centrifuge cylinder 11, the sliding rod 24 abuts against one end of the guide rod 6, limiting the probe tube 2. The push rod 5 continues to slide to compress the second spring 55, causing the collection box 3 to move upward and scrape off the metal liquid during the centrifugation process. When the push rod 5 slides in the opposite direction until the other end of the sliding rod 24 abuts against the guide rod 6, the sliding rod 24 and the probe tube 2 are limited. The push rod 5 continues to slide in the opposite direction to stretch the second spring 55 and complete the separation of the limiting block 21 from the bottom plate 32, so that the metal liquid in the collection box 3 can flow out.

[0048] In the embodiment provided by the present invention, a guide groove is provided on the guide rod 6, and a second protrusion 25 is fixedly provided on the sliding rod 24. The second protrusion 25 is slidably disposed in the guide groove. The guide groove includes a horizontal part 61 and a spiral part 62. During the sliding process of the probe tube 2, when the second protrusion 25 is at one end of the spiral part 62, the probe tube 2 and the collection box 3 move down to a position close to the base 1, so as to discharge the molten metal in the collection box 3 into the waste tank 14, and also to prevent the probe tube 2 and the collection box 3 from impacting the centrifuge. The inlet of centrifuge cylinder 11 is sealed to facilitate the addition of molten metal into the centrifuge cylinder 11. When the second protrusion 25 moves to the connection position between the spiral part 62 and the horizontal part 61, the probe tube 2 and the collection box 3 are directly opposite the feed inlet of the centrifuge cylinder 11. After the second protrusion 25 moves to one end of the horizontal part 61, the probe tube 2 and the collection box 3 are completely inserted into the centrifuge cylinder 11. When the second protrusion 25 is located at one end of the spiral part 62 or one end of the horizontal part 61, the sliding rod 24 abuts against both ends of the guide rod 6.

[0049] Specifically, a vertical tube 7 is slidably mounted on the base 1, and a straight rod 56 is fixedly mounted on the push rod 5, with the straight rod 56 slidably connected to the vertical tube 7; a motor 15 is fixedly mounted on the base 1, and a screw 16 is fixedly mounted on the output shaft of the motor 15; a threaded sleeve 71 is fixedly mounted on the vertical tube 7, with the threaded sleeve 71 threadedly connected to the screw 16. The motor 15 drives the screw 16 to rotate, and the vertical tube 7 slides with the straight rod 56 through the threaded sleeve 71, causing the push rod 5 to slide with the probe tube 2. After the probe tube 2 is in a sliding limit position, the push rod 5 slides relative to the probe tube 2. Furthermore, under the action of the second protrusion 25 and the spiral groove, when the probe tube 2 and the collection box 3 are raised and lowered, the straight rod 56 slides relative to the vertical tube 7.

[0050] In a further embodiment of the present invention, a top block 12 is slidably disposed on the base 1, and a plurality of first springs 13 are disposed between the top block 12 and the base 1. The two ends of the first springs 13 are fixedly connected to the base 1 and the top block 12, respectively. After the scraping is completed, the probe 2 and the collection box 3 are removed from the centrifuge cylinder 11 and reset. When the second protrusion 25 moves to the spiral part 62, the probe 2 and the collection box 3 move downward. During the downward movement, the counterweight 33 abuts against the top block 12, but because the limiting block 21 abuts against the bottom plate 32, the bottom plate 32 cannot rotate. As the collection box 3 moves downward, the top block 12 also... The push rod 5 moves downward and compresses the first spring 13. After moving to the bottom, the push rod 5 continues to slide relative to the probe tube 2. The first protrusion 22 slides into the inclined part 54 and causes the limiting block 21 to move downward and disengage from the bottom plate 32. Under the action of the first spring 13, the top block 12 pushes the counterweight block 33 upward, causing the bottom plate 32 to rotate. This causes the molten metal in the collection box 3 to flow into the waste trough 14 along the inclined surface of the bottom plate 32. By setting the top block 12, the collection box 3 is moved to a position directly opposite the waste trough 14. The bottom plate 32 rotates, causing the molten metal in the collection box 3 to flow into the waste trough 14.

[0051] In this invention, the centrifuge cylinder 11 mentioned has a small inlet and outlet when centrifugally casting the bearing ring. This invention allows the collection box 3 and the probe tube 2 to extend into the centrifuge cylinder 11 through the inlet, and then the collection box 3 is raised. The scraping part on the collection box 3 scrapes off the molten metal during the centrifugation process, avoiding the problem of high thickness of the bearing ring after molding, which would lead to complicated and difficult subsequent processing. Moreover, the rotation of the centrifuge cylinder 11 and the principle of centrifugal molding are common knowledge and conventional techniques known to those skilled in the art, and will not be described in detail.

[0052] Working principle: During the centrifugal casting of the bearing ring, molten liquid metal raw material is added to the centrifuge cylinder 11, and the centrifuge cylinder 11 is rotated. Then, the motor 15 starts, driving the screw 16 to rotate, causing the vertical tube 7 and the straight rod 56 to slide. Under the action of the second protrusion 25 and the spiral part 62 on the guide rod 6, the sliding motion drives the rotating tube 23 to rotate, causing the probe tube 2, the collection box 3, and the push rod 5 to move upwards. During this process, the straight rod 56 slides relative to the vertical tube 7, and the rotating tube 23 and the sliding rod 24 slide relative to each other. After the probe tube 2 and the collection box 3 move upwards to the inlet directly opposite the centrifuge cylinder 11, the second protrusion 25 slides from the spiral part 62 to the horizontal part 61. Subsequently, the vertical tube 7 continues to slide along with the straight rod 56, the push rod 5, the probe tube 2, and the collection box 3, thus... The probe tube 2 and the collection box 3 extend into the centrifuge cylinder 11. After the collection box 3 is fully inserted into the centrifuge cylinder 11, the sliding rod 24 abuts against one end of the guide rod 6. At this time, the probe tube 2 is limited, and the vertical tube 7 continues to slide the push rod 5 through the straight rod 56. Because the probe tube 2 is limited, the push rod 5 compresses and slides the second spring 55 during sliding. During the sliding process, the vertical part 51 and the third protrusion 44 compress the rotating plate 43, causing the gear 41 to rotate. Because the two gears 41 mesh, they rotate relative to each other and drive the corresponding support rod 4 to rotate, causing the sliding block 42 on the support rod 4 to slide in the sliding groove 34. At the same time, the support rod 4 moves the collection box 3 upward. After the collection box 3 moves upward, the scraper part 3 on the collection box 3 passes through the scraper part 3. 1. The molten metal during the centrifugation process is scraped off and left in the collection box 3 to control the thickness of the bearing ring during centrifugal casting, avoiding excessive thickness of the bearing ring after casting, which would increase the difficulty of subsequent processing and grinding. During this process, under the gravity of the counterweight 33, the bottom plate 32 is in contact with the bottom of the collection box 3. After the collection box 3 collects the molten metal in the centrifuge cylinder 11, the motor 15 drives the screw 16 to rotate in the opposite direction, causing the vertical tube 7 to slide with the straight rod 56 and the push rod 5. Under the action of the second spring 55, the push rod 5 first slides relative to the probe tube 2, and through the vertical part 51, the gear 41 drives the support rod 4 to rotate and reset, so that the collection box 3 moves down and resets. After the collection box 3 moves down and resets, the first The protrusion 22 is located at the connection between the horizontal part 53 and the inclined part 54. The limiting block 21 is in the extended state. After the collection box 3 moves down and resets, the bottom plate 32 on the collection box 3 abuts against the limiting block 21 to ensure that the bottom plate 32 fits against the collection box 3 and prevent the molten metal inside the collection box 3 from flowing out. Subsequently, the second spring 55 completes its reset. The vertical tube 7 continues to drive the straight rod 56, the push rod 5, the probe tube 2, and the collection box 3 to slide, so that the probe tube 2 and the collection box 3 move out of the centrifuge cylinder 11. After the probe tube 2 and the collection box 3 have completely moved out of the centrifuge cylinder 11, the second protrusion 25 slides to the connection between the horizontal part 61 and the spiral part 62. At this time, the vertical tube 7 continues to drive the straight rod 56, the probe tube 2, and the collection box 3 to slide. Under the action of the second protrusion 25 and the spiral groove,The sliding rod 24 rotates relative to the rotating tube 23. During rotation, the straight rod 56 slides relative to the vertical tube 7, and the sliding rod 24 slides relative to the rotating tube 23. Simultaneously, the push rod 5, the probe tube 2, and the collection box 3 move downwards. During the downward movement, the counterweight 33 abuts against the top block 12, but because the limiting block 21 abuts against the bottom plate 32, the bottom plate 32 cannot rotate. As the collection box 3 moves downwards, the top block 12 also moves downwards and compresses the first spring 13. After moving to the bottom, the sliding rod 24... 4. When the guide rod 6 abuts, the vertical tube 7 continues to drive the straight rod 56 and push rod 5 to slide, stretching the second spring 55 and causing the push rod 5 to slide relative to the probe tube 2. During this process, the first protrusion 22 enters the inclined part 54 and causes the limiting block 21 to move down and disengage from the bottom plate 32. Under the action of the first spring 13, the top block 12 pushes the counterweight block 33 up, causing the bottom plate 32 to rotate, so that the molten metal in the collection box 3 flows along the inclined surface of the bottom plate 32 into the waste trough 14.

[0053] The foregoing has only described certain exemplary embodiments of the present invention by way of illustration. Undoubtedly, those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the foregoing drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A high-precision bearing assembly manufacturing system for manufacturing a high-precision bearing assembly, the bearing assembly including an outer ring (8), an inner ring (81) and balls (82), and also including an insert (9) inserted into the inner ring (81); The insert (9) is fixedly provided with a plug part (91), and the inner ring (81) is provided with a slot (83). The plug part (91) is plugged into the slot (83). The inner ring (81) and the insert (9) are both provided with positioning holes, and the positioning holes are connected after the insert (9) and the inner ring (81) are plugged into each other. It also includes a retaining pin (92), which passes through a positioning hole and is screwed to a nut (93); The preparation system includes a base (1) and a centrifuge tube (11), characterized in that, It also includes an insertion tube (2) and a collection box (3). Two support rods (4) are rotatably arranged on the insertion tube (2), and two sliding grooves (34) are provided on the collection box (3). Sliding blocks (42) are fixedly arranged on both support rods (4), and the two sliding blocks (42) are respectively slidably arranged in the two sliding grooves (34). The two support rods (4) have opposite inclination angles, and gears (41) are fixedly installed on both support rods (4), and the two gears (41) mesh and transmit power. The collection box (3) is provided with a scraping part (31), and a base plate (32) is rotatably provided on the collection box (3). A counterweight (33) is fixedly provided on the base plate (32). It also includes a limiting component, which limits the bottom plate (32) when the probe (2) is removed from the centrifuge tube (11).

2. The high-precision bearing assembly manufacturing system according to claim 1, characterized in that, A push rod (5) is slidably disposed on the probe tube (2), and a rotating plate (43) is fixedly disposed on one of the gears (41). A third protrusion (44) is fixedly disposed on the rotating plate (43). An abutment groove is disposed on the push rod (5), and the third protrusion (44) is slidably disposed in the abutment groove. The abutment groove includes a vertical part (51) and a compensation part (52).

3. The high-precision bearing assembly manufacturing system according to claim 2, characterized in that, The limiting component includes a limiting block (21) that is slidably disposed on the probe tube (2). When the probe tube (2) is moved out of the centrifuge tube (11), the limiting block (21) abuts against the base plate (32).

4. The high-precision bearing assembly manufacturing system according to claim 3, characterized in that, The limiting block (21) is fixedly provided with a first protrusion (22), and the push rod (5) is provided with a limiting groove. The first protrusion (22) is slidably disposed in the limiting groove. The limiting groove includes a horizontal part (53) and an inclined part (54).

5. The high-precision bearing assembly manufacturing system according to claim 2, characterized in that, A second spring (55) is provided between the push rod (5) and the probe tube (2), and the two ends of the second spring (55) are fixedly connected to the push rod (5) and the probe tube (2) respectively.

6. The high-precision bearing assembly manufacturing system according to claim 2, characterized in that, Two rotating tubes (23) are rotatably mounted on the push rod (5), and two guide rods (6) are fixedly mounted on the base (1). Sliding rods (24) are slidably mounted on both rotating tubes (23). The two sliding rods (24) correspond to the two guide rods (6) respectively and are sleeved on the guide rods (6). The two ends of the sliding rods (24) and the guide rods (6) are in contact and cooperate with each other.

7. The high-precision bearing assembly manufacturing system according to claim 6, characterized in that, The guide rod (6) is provided with a guide groove, and the sliding rod (24) is fixedly provided with a second protrusion (25). The second protrusion (25) is slidably disposed in the guide groove. The guide groove includes a horizontal part (61) and a spiral part (62).

8. The high-precision bearing assembly manufacturing system according to claim 2, characterized in that, A vertical tube (7) is slidably disposed on the base (1), and a straight rod (56) is fixedly disposed on the push rod (5), and the straight rod (56) is slidably connected to the vertical tube (7); A motor (15) is fixedly installed on the base (1), a screw (16) is fixedly installed on the output shaft of the motor (15), and a threaded sleeve (71) is fixedly installed on the vertical tube (7). The threaded sleeve (71) is threadedly connected to the screw (16).

9. The high-precision bearing assembly manufacturing system according to claim 1, characterized in that, A top block (12) is slidably disposed on the base (1), and a plurality of first springs (13) are disposed between the top block (12) and the base (1). The two ends of the first springs (13) are fixedly connected to the base (1) and the top block (12) respectively.

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