A turbocharger thrust washer double end face grinding device

Abstract

The utility model discloses a turbocharger thrust washer double end face grinding device, including base, the top of base is equipped with the grinding table, and the fixed stand is equipped between base and grinding table, and the upper surface middle part of grinding table is equipped with positioning mechanism, and positioning mechanism includes the lower locating seat of fixed setting in the upper surface of grinding table, and the top of lower locating seat is equipped with the upper locating seat, and the opposite side of lower locating seat and upper locating seat all is equipped with arc locating groove, and the both sides of lower locating seat and the both sides of upper locating seat are equipped with elastic mechanism, the top of grinding table and located positioning mechanism's both sides all are equipped with grinding mechanism. The utility model can accurately fix two arc thrust washers, avoid the deviation or surface damage when grinding, and can grind the double end face of two thrust washers simultaneously, need not process or grind in batches one by one, greatly shorten the processing time, improve batch production efficiency, in addition, can limit the grinding amount of thrust washer, avoid the phenomenon of excessive polishing.

Description

Technical Field

[0001] This utility model relates to the field of thrust plate processing technology, specifically a double-end face grinding device for turbocharger thrust plates. Background Technology

[0002] In the assembly of the rotor shaft of an automotive turbocharger, the thrust washer is a key component that ensures the axial positioning and stable operation of the rotor shaft. It is usually composed of two arc-shaped parts. The flatness of the two end faces of the thrust washer directly affects the transmission accuracy and service life of the rotor shaft. Therefore, it is necessary to ensure the end face accuracy through grinding.

[0003] However, existing grinding equipment for this type of thrust plate is mostly designed for single-station operation, which can only process one arc-shaped thrust plate at a time and cannot process two arc-shaped parts at the same time. Moreover, for the two end faces of the thrust plate that require precision, the existing grinding equipment needs to complete the grinding in two stages. First, one end face is ground to meet the standard, and then the thrust plate is flipped over to adjust the positioning before grinding the other end face. The positioning needs to be repeatedly calibrated during the two grinding processes, which not only prolongs the processing time of a single thrust plate, but also easily causes deviations due to multiple positioning, affecting the parallelism accuracy of the two end faces. It is difficult to adapt to the dual requirements of efficiency and precision for the mass production of turbocharger parts.

[0004] To address this, a double-end grinding device for turbocharger thrust plates is proposed. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a double-end grinding device for turbocharger thrust plates, which solves the problems mentioned in the background art.

[0006] To solve the above-mentioned technical problems, this utility model provides the following technical solution.

[0007] This utility model provides a double-end face grinding device for a turbocharger thrust plate, including a base, a grinding table above the base, a column fixed between the base and the grinding table, a positioning mechanism in the middle of the upper surface of the grinding table, the positioning mechanism including a lower positioning seat fixedly disposed on the upper surface of the grinding table, an upper positioning seat on the top of the lower positioning seat, an arc-shaped positioning groove on the opposite side of the lower positioning seat and the upper positioning seat, and an elastic mechanism between the two sides of the lower positioning seat and the two sides of the upper positioning seat. Grinding mechanisms are provided above the grinding table and on both sides of the positioning mechanism. A bidirectional moving mechanism connected to the two grinding mechanisms is provided on the lower surface of the grinding table.

[0008] Preferably, the elastic mechanism includes fixed blocks fixedly disposed on the side wall of the lower positioning seat and the side wall of the upper positioning seat, a telescopic rod fixedly disposed between two adjacent fixed blocks, a spring sleeved on the rod wall of the telescopic rod, and the two ends of the spring being fixedly connected to the two fixed blocks respectively.

[0009] Preferably, the grinding mechanism includes a vertically arranged fixed plate, a first motor is fixedly mounted on the side of the fixed plate, a rotating shaft is fixedly mounted on the output end of the first motor, and a grinding disc is fixedly mounted on the end of the rotating shaft away from the first motor.

[0010] Preferably, the bidirectional moving mechanism includes two fixed seats symmetrically fixedly disposed on the lower surface of the grinding table, and a bidirectional screw is rotatably disposed between the two fixed seats. A second motor is fixedly disposed on the side wall of one of the fixed seats, and the output end of the second motor is fixedly connected to one end of the bidirectional screw. The bidirectional screw has two screw seats symmetrically threaded on its rod wall. A connecting rod extending to the top of each of the two screw seats is fixedly disposed on the top of the connecting rod, and the upper end of the connecting rod is fixedly connected to the bottom of the fixed plate.

[0011] Preferably, the upper surface of the grinding table has lateral limiting openings on both sides, and the wall of the connecting rod slides through the interior of the limiting openings.

[0012] Preferably, a U-shaped limiting plate is fixedly provided on the upper surface of the grinding table and on both sides of the lower positioning seat, and a chip collection box is placed inside the U-shaped limiting plate.

[0013] Preferably, both sides of the upper positioning seat are fixedly provided with downwardly extending U-shaped protective plates, and the lower end of the U-shaped protective plates extends to the top opening of the chip collection box.

[0014] Preferably, the bottom of the grinding table is provided with a grinding limiting mechanism. The grinding limiting mechanism includes a fixed platform fixedly disposed at the bottom of the grinding table, a limiting seat fixedly disposed at the bottom of the fixed platform, a limiting rod slidably disposed laterally inside the limiting seat, a limiting block fixedly disposed at one end of the limiting rod corresponding to one of the screw seats, an anti-drop block fixedly disposed at the other end of the limiting rod, and a bolt threaded on the bottom of the limiting seat to tighten and fix the limiting rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The arc-shaped positioning grooves of the lower and upper positioning seats can be adapted to the structure of the two arc-shaped thrust plates, quickly achieving initial positioning of the thrust plates. In conjunction with the elastic mechanisms on both sides, the elastic force drives the upper and lower positioning seats to move towards each other, tightly combining and fixing the two arc-shaped thrust plates. This not only prevents the thrust plates from shifting during grinding, but also prevents damage to the surface of the thrust plates from rigid clamping through elastic clamping, providing a stable reference for subsequent precise grinding. At the same time, the grinding mechanisms on both sides can synchronously approach the thrust plates under the drive of the bidirectional moving mechanism. The grinding discs on both sides can grind the two end faces of the two thrust plates at the same time, eliminating the need to process the thrust plates one by one, or to grind the two end faces of a single thrust plate twice, significantly shortening the processing time and adapting to the needs of mass production. Attached Figure Description

[0016] Figure 1 This is a first-person perspective view of the present invention. Figure 2 This is a perspective view of the present invention from a second perspective; Figure 3 This is a perspective view of the positioning mechanism in this utility model; Figure 4 This is a perspective view of the grinding mechanism and the bidirectional moving mechanism in this utility model; Figure 5 This is a perspective view of the grinding and limiting mechanism in this utility model.

[0017] In the diagram: 1. Base; 2. Grinding table; 3. Column; 4. Positioning mechanism; 41. Lower positioning seat; 42. Upper positioning seat; 43. Arc-shaped positioning groove; 44. Elastic mechanism; 441. Fixing block; 442. Telescopic rod; 443. Spring; 5. Grinding mechanism; 51. Fixing plate; 52. First motor; 53. Rotating shaft; 54. Grinding disc; 6. Bidirectional moving mechanism; 61. Fixing seat; 62. Bidirectional screw; 63. Second motor; 64. Screw seat; 65. Connecting rod; 7. Limiting port; 8. U-shaped limiting plate; 9. Chip collection box; 10. U-shaped protective plate; 11. Grinding limiting mechanism; 111. Fixing table; 112. Limiting seat; 113. Limiting rod; 114. Limiting block; 115. Anti-falling block; 116. Bolt. Detailed Implementation

[0018] A grinding device for the double-end faces of a turbocharger thrust plate, such as Figure 1-5As shown, the device includes a base 1, a grinding table 2 on top of the base 1, a column 3 fixed between the base 1 and the grinding table 2, and a positioning mechanism 4 in the middle of the upper surface of the grinding table 2. The positioning mechanism 4 includes a lower positioning seat 41 fixedly mounted on the upper surface of the grinding table 2, and an upper positioning seat 42 on top of the lower positioning seat 41. Both the lower positioning seat 41 and the upper positioning seat 42 have arc-shaped positioning grooves 43 on opposite sides. The arc-shaped positioning grooves 43 match the arc-shaped thrust plate, and the thickness of the thrust plate is greater than that of the lower positioning seat 41. The thickness of the upper positioning seat 42 and the lower positioning seat 41 ensures that the two end faces of the thrust plate protrude outward after positioning. An elastic mechanism 44 is provided between the two sides of the lower positioning seat 41 and the two sides of the upper positioning seat 42. The elastic mechanism 44 includes a fixing block 441 fixedly installed on the side wall of the lower positioning seat 41 and the side wall of the upper positioning seat 42. A telescopic rod 442 is fixedly installed between two adjacent fixing blocks 441. A spring 443 is sleeved on the rod wall of the telescopic rod 442, and the two ends of the spring 443 are fixedly connected to the two fixing blocks 441 respectively.

[0019] Grinding mechanisms 5 are provided above the grinding table 2 and on both sides of the positioning mechanism 4. The grinding mechanism 5 includes a vertically arranged fixed plate 51. A first motor 52 is fixedly mounted on the side of the fixed plate 51. A rotating shaft 53 is fixedly mounted on the output end of the first motor 52. A grinding disc 54 is fixedly mounted on the end of the rotating shaft 53 away from the first motor 52. When the first motor 52 is running, it drives the rotating shaft 53 to rotate at high speed. The grinding disc 54 on the end of the rotating shaft 53 away from the first motor 52 rotates synchronously, forming grinding power.

[0020] The lower surface of the grinding table 2 is provided with a bidirectional moving mechanism 6 connected to the two grinding mechanisms 5. The bidirectional moving mechanism 6 includes two fixed seats 61 symmetrically fixed on the lower surface of the grinding table 2. A bidirectional screw 62 is rotatably provided between the two fixed seats 61. A second motor 63 is fixedly provided on the side wall of one of the fixed seats 61, and the output end of the second motor 63 is fixedly connected to one end of the bidirectional screw 62. The rod wall of the bidirectional screw 62 is symmetrically threaded with two screw seats 64. The top of each screw seat 64 is fixedly provided with a connecting rod 65 extending to the top of the grinding table 2, and the upper end of the connecting rod 65 is connected to the fixed plate 51. The bottom is fixedly connected, and the upper surface of the grinding table 2 has horizontal limit openings 7 on both sides. The rod wall of the connecting rod 65 slides through the inside of the limit opening 7. The limit opening 7 can play a sliding limit role for the connecting rod 65. The second motor 63 drives the bidirectional screw 62 to rotate between the two fixed seats 61, so that the two screw seats 64 will move towards each other along the bidirectional screw 62. At the same time, it drives the fixed plate 51 fixed to the upper end of the connecting rod 65 to move synchronously, thereby making the grinding disc 54 on the fixed plate 51 approach the thrust plate at the positioning mechanism 4, and the grinding disc 54 contacts the outward protruding end face of the thrust plate and completes the grinding.

[0021] U-shaped limiting plates 8 are fixedly installed on the upper surface of the grinding table 2 and on both sides of the lower positioning seat 41. A chip collection box 9 is placed inside the U-shaped limiting plate 8. U-shaped protective plates 10 extending downward are fixed on both sides of the upper positioning seat 42. The lower end of the U-shaped protective plate 10 extends to the top opening of the chip collection box 9. The chips generated by grinding will fall into the chip collection box 9 inside the lower U-shaped limiting plate 8 under the obstruction of the U-shaped protective plate 10, so as to prevent the chips from scattering and contaminating the equipment. When it is necessary to clean the chips inside the chip collection box 9, the chip collection box 9 is lifted upward, so that the chip collection box 9 is moved out of the U-shaped limiting plate 8.

[0022] The bottom of the grinding table 2 is provided with a grinding limiting mechanism 11. The grinding limiting mechanism 11 includes a fixed platform 111 fixedly installed at the bottom of the grinding table 2. A limiting seat 112 is fixedly installed at the bottom of the fixed platform 111. A limiting rod 113 is slidably installed laterally inside the limiting seat 112. A limiting block 114 corresponding to the position of one of the screw seats 64 is fixedly installed at one end of the limiting rod 113. An anti-drop block 115 is fixedly installed at the other end of the limiting rod 113. A bolt 116 is threaded on the bottom of the limiting seat 112 to tighten and fix the limiting rod 113. When it is necessary to control... When the grinding disc 54 grinds the thrust plate, the operator loosens the bolt 116 with a wrench and adjusts the position of the limit rod 113 inside the limit seat 112. This adjusts the distance between the limit stop 114 and one of the screw seats 64 (the limit rod 113 has scale lines on its wall, allowing the operator to precisely adjust the position of the limit stop 114). This ensures that when the screw seat 64 contacts the limit stop 114, the grinding disc 54 completes the grinding of the thrust plate without over-grinding, thus improving the grinding quality of the thrust plate.

[0023] In summary: First, the two arc-shaped thrust plates are placed in the arc-shaped positioning grooves 43 on the opposite side of the lower positioning seat 41 and the upper positioning seat 42, respectively. The shape of the arc-shaped positioning grooves 43 is adapted to the arc-shaped structure of the thrust plates, which can quickly achieve the initial positioning of the thrust plates. Then, the fixing blocks 441 in the elastic mechanism 44 are fixed to the side walls of the lower positioning seat 41 and the upper positioning seat 42, respectively. The telescopic rod 442 can extend and retract along the axial direction. The spring 443 sleeved on its rod wall has elastic restoring ability. It can drive the two fixing blocks 441 to move closer to each other through its own elastic force, thereby causing the upper positioning seat 42 to move closer to the lower positioning seat 41 below, tightly clamping the two arc-shaped thrust plates between the arc-shaped positioning grooves 43, completing the combination and fixation. At the same time, the elastic clamping method can avoid damage to the surface of the thrust plates caused by rigid clamping, ensuring the integrity of the thrust plate structure. Then, the first motor 52 of the two grinding mechanisms 5 and the second motor 63 of the bidirectional moving mechanism 6 are started simultaneously. The output end of the first motor 52 drives the rotating shaft 53 to rotate at high speed. The grinding disc 54 at the end of the rotating shaft 53 away from the first motor 52 rotates synchronously to generate grinding power. At the same time, the output end of the second motor 63 drives the bidirectional screw 62 to rotate between the two fixed seats 61. Since the threads on both sides of the bidirectional screw 62 are opposite, the two screw seats 64 connected by symmetrical threads on its rod wall will move towards each other along the bidirectional screw 62. The connecting rod 65 at the top of the screw seat 64 slides along the limiting port 7 on the upper surface of the grinding table 2, which drives the fixed plate 51 fixed to the upper end of the connecting rod 65 to move synchronously, thereby making the grinding mechanism 5 on the fixed plate 51 move closer to the thrust plate at the positioning mechanism 4. Once the rotating grinding discs 54 on both sides contact the end faces of the two arc-shaped thrust plates, the two end faces of the thrust plates can be ground synchronously. During the grinding process, as the screw seat 64 moves, when the side wall of the screw seat 64 contacts the side wall of the limit stop 114, the screw seat 64 stops moving, thereby stopping the movement of the grinding disc 54 toward the arc-shaped thrust plates, limiting the grinding degree of the grinding disc 54 on the arc-shaped thrust plates, avoiding over-grinding, and ensuring that the quality of the arc-shaped thrust plates meets the standards. At the same time, the grinding debris will fall into the chip collection box 9 in the lower U-shaped limit plate 8 under the obstruction of the U-shaped protective plate 10, preventing debris from scattering and contaminating the equipment or affecting the grinding accuracy. Finally, the synchronous grinding operation of the two end faces of the arc-shaped thrust plates is completed efficiently.

[0024] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A grinding device for the double-end faces of a turbocharger thrust plate, comprising a base (1), characterized in that: A grinding table (2) is provided above the base (1). A column (3) is fixed between the base (1) and the grinding table (2). A positioning mechanism (4) is provided in the middle of the upper surface of the grinding table (2). The positioning mechanism (4) includes a lower positioning seat (41) fixedly disposed on the upper surface of the grinding table (2). An upper positioning seat (42) is provided on the top of the lower positioning seat (41). An arc-shaped positioning groove (43) is provided on the opposite side of the lower positioning seat (41) and the upper positioning seat (42). An elastic mechanism (44) is provided between the two sides of the lower positioning seat (41) and the two sides of the upper positioning seat (42). Grinding mechanisms (5) are provided above the grinding table (2) and on both sides of the positioning mechanism (4). A bidirectional moving mechanism (6) connected to the two grinding mechanisms (5) is provided on the lower surface of the grinding table (2).

2. The turbocharger thrust plate double-end face grinding device according to claim 1, characterized in that: The elastic mechanism (44) includes a fixed block (441) fixedly disposed on the side wall of the lower positioning seat (41) and the side wall of the upper positioning seat (42). A telescopic rod (442) is fixedly disposed between two adjacent fixed blocks (441). A spring (443) is sleeved on the rod wall of the telescopic rod (442), and the two ends of the spring (443) are respectively fixedly connected to the two fixed blocks (441).

3. The turbocharger thrust plate double-end face grinding device according to claim 1, characterized in that: The grinding mechanism (5) includes a vertically arranged fixed plate (51), a first motor (52) is fixedly provided on the side of the fixed plate (51), a rotating shaft (53) is fixedly provided at the output end of the first motor (52), and a grinding disc (54) is fixedly provided at the end of the rotating shaft (53) away from the first motor (52).

4. The turbocharger thrust plate double-end face grinding device according to claim 3, characterized in that: The bidirectional moving mechanism (6) includes two fixed seats (61) symmetrically fixed on the lower surface of the grinding table (2). A bidirectional screw (62) is rotatably provided between the two fixed seats (61). A second motor (63) is fixedly provided on the side wall of one of the fixed seats (61), and the output end of the second motor (63) is fixedly connected to one end of the bidirectional screw (62). The rod wall of the bidirectional screw (62) is symmetrically threaded with two screw seats (64). The top of each screw seat (64) is fixedly provided with a connecting rod (65) extending to the top of the grinding table (2), and the upper end of the connecting rod (65) is fixedly connected to the bottom of the fixed plate (51).

5. The turbocharger thrust plate double-end face grinding device according to claim 4, characterized in that: The grinding table (2) has lateral limit openings (7) on both sides of its upper surface, and the wall of the connecting rod (65) slides through the interior of the limit openings (7).

6. The turbocharger thrust plate double-end face grinding device according to claim 1, characterized in that: U-shaped limiting plates (8) are fixedly provided on the upper surface of the grinding table (2) and on both sides of the lower positioning seat (41), and a chip collection box (9) is placed inside the U-shaped limiting plate (8).

7. The turbocharger thrust plate double-end face grinding device according to claim 6, characterized in that: Both sides of the upper positioning seat (42) are fixed with downwardly extending U-shaped protective plates (10), and the lower end of the U-shaped protective plates (10) extends to the top opening of the chip collection box (9).

8. The turbocharger thrust plate double-end face grinding device according to claim 4, characterized in that: The grinding table (2) is provided with a grinding limiting mechanism (11) at the bottom. The grinding limiting mechanism (11) includes a fixed platform (111) fixedly set at the bottom of the grinding table (2). A limiting seat (112) is fixedly set at the bottom of the fixed platform (111). A limiting rod (113) is slidably set inside the limiting seat (112). A limiting block (114) is fixedly set at one end of the limiting rod (113) corresponding to the position of one of the screw seats (64). An anti-drop block (115) is fixedly set at the other end of the limiting rod (113). A bolt (116) is threaded at the bottom of the limiting seat (112) to tighten and fix the limiting rod (113).

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