A silent bearing retainer automatic finishing machine

Abstract

This utility model relates to the field of finishing machine technology, specifically an automatic finishing machine for silent bearing retainers, including a rotary vibratory plate, a spiral guide plate, a mounting frame, a lifting mechanism, a drive mechanism, and telescopic rods. The spiral guide plate is mounted on the rotary vibratory plate, and a pneumatic indexing plate is provided on one side of the rotary vibratory plate. Multiple sorting rods are provided on the top of the pneumatic indexing plate. The mounting frame is located on one side of the rotary vibratory plate and has a mounting box. The lifting mechanism is located inside the mounting box, passing through the mounting box and extending to the outside of the mounting box. The drive mechanism is located at the bottom of the mounting box. Multiple telescopic rods are provided. This utility model, by adding a liftable support frame and matching drive and lifting mechanisms, always keeps the workpiece at the top of the sorting rod slightly lower than the spiral guide plate outlet, significantly shortening the drop height difference, avoiding large impact kinetic energy of the workpiece due to gravity, and reducing rigid collisions with the sorting rods or other workpieces.

Description

Technical Field

[0001] This utility model relates to the field of finishing machine technology, specifically to an automatic finishing machine for silent bearing retainers. Background Technology

[0002] Silent bearing retainers are an essential component of silent motors in the home appliance industry, and their packaging and arrangement are inseparable. In the current technology, the arrangement of silent bearing retainers involves manually arranging each retainer individually in the same direction and in a certain quantity before packaging.

[0003] Chinese Patent No. CN202642791U discloses an automatic sorting machine for silent bearing retainers, comprising a rotary vibratory feeder and a spiral guide plate. The spiral guide plate is disposed on the rotary vibratory feeder, and a positioning bar is welded to the middle of the spiral guide plate. The rotary vibratory feeder is provided with a height limiting pin, which is located above the positioning bar. A return port is provided below the height limiting pin, and the return port communicates with the inlet of the spiral guide plate. A cover plate is provided at the outlet of the spiral guide plate, and a gap is provided in the middle of the cover plate. This automatic sorting machine for silent bearing retainers can realize the automatic sorting of silent bearing retainers in the same direction and in a fixed quantity, which is beneficial to production, avoids the waste of human resources, and can ensure the correctness of the direction of the silent bearing retainers and the stability of the sorting quantity, thereby improving production efficiency.

[0004] However, the above technical solution has the following shortcomings: Since the feeding rod needs to carry multiple silent bearing retainers, there is a height difference between its overall height and the outlet of the conveying mechanism. This causes the silent bearing retainers to fall from the highest bearing position of the feeding rod (the top of the rod when there are no workpieces initially) to the lowest bearing position (the bottom of the rod or the reference bearing surface) after they detach from the spiral guide plate outlet. The falling stroke is relatively long. During this process, the silent bearing retainers generate a large impact kinetic energy due to their own weight, which causes rigid collisions with the feeding rod or the already carried workpieces. This can easily cause surface defects such as scratches and abrasions on the workpieces. It may also cause deformation of key structural dimensions such as the retainer's pocket and wall thickness, which will seriously reduce the product qualification rate and fail to meet the high-precision requirements of the home appliance industry for silent motor parts, thus restricting the improvement of production efficiency and product quality. Utility Model Content

[0005] The purpose of this invention is to address the problems existing in the background technology by proposing an automatic sorting machine for silent bearing retainers.

[0006] The technical solution of this utility model is: an automatic sorting machine for silent bearing retainers, comprising a rotating vibratory plate and a spiral guide plate, wherein the spiral guide plate is disposed on the rotating vibratory plate; A pneumatic indexing plate is provided on one side of the rotary vibratory feeder, and multiple material feeding rods are provided on the top of the pneumatic indexing plate; The mounting frame is located on one side of the rotating vibratory feeder, and the mounting box is located above the mounting frame. The lifting mechanism is installed inside the mounting box, with one end of the lifting mechanism passing through the mounting box and extending to the outside of the mounting box; The drive mechanism is located at the bottom of the mounting box and is connected to the lifting mechanism to drive the lifting mechanism to move. There are multiple telescopic poles. The fixed end of the telescopic pole is connected to the mounting frame, and the movable end of the telescopic pole is connected to the mounting box.

[0007] Preferably, the lifting mechanism includes a lifting screw, a lifting sleeve, a slider, and a support frame; the lifting screw is rotatably disposed inside the mounting box, the lifting sleeve is slidably disposed inside the mounting box, the lifting sleeve is sleeved on the lifting screw and threadedly connected to the lifting screw, the slider is slidably disposed on the surface of the mounting box, one end of the slider extends into the mounting box and is fixedly connected to the lifting sleeve, and the support frame is disposed outside the mounting box and is fixedly connected to the slider.

[0008] Preferably, the drive mechanism includes a movable box, a drive motor, a drive rod, and a transmission assembly; the movable box is slidably mounted on the mounting frame, the top of the movable box is fixedly connected to the bottom of the mounting box, the bottom end of the lifting screw passes through the mounting box and the movable box and extends into the movable box, the drive motor is fixedly connected to the movable box, the drive rod is located inside the movable box, one end of the drive rod is connected to the output end of the drive motor, one end of the transmission assembly is connected to the lifting screw, and the other end of the transmission assembly is connected to the drive rod.

[0009] Preferably, the transmission assembly includes a bevel gear and a bevel gear ring; the bevel gear is disposed in the movable box and fixedly connected to the drive rod, the bevel gear ring is disposed in the movable box and connected to the lifting screw, and the bevel gear meshes with the bevel gear ring.

[0010] Preferably, the top of the pneumatic indexing plate is provided with multiple bearing seats that correspond one-to-one with the material handling rods, and the bearing seats are sleeved on the surface of the material handling rods.

[0011] Preferably, the mounting bracket has a through-hole, and when the telescopic rod is in the retracted state, the drive motor is located inside the through-hole.

[0012] Compared with the prior art, the above-mentioned technical solution of this utility model has the following beneficial technical effects: This utility model, by adding a liftable support frame and a matching drive and lifting mechanism, ensures that the silent bearing retainer, after detaching from the spiral guide plate outlet, first falls onto the support frame instead of directly falling to the bottom of the feed rod. The drive mechanism can drive the support frame to slowly move downward as the number of workpieces increases, always keeping the uppermost workpiece on the feed rod slightly lower than the spiral guide plate outlet, significantly shortening the falling height difference, avoiding large impact kinetic energy generated by the workpiece due to gravity, reducing rigid collisions with the feed rod or other workpieces, reducing surface scratches and other appearance defects, and preventing deformation of key structural dimensions such as pockets and wall thickness, thus meeting the high-precision requirements of silent motor parts in the home appliance industry. Attached Figure Description

[0013] Figure 1 This is a perspective view of one embodiment of the present invention; Figure 2 This is a cross-sectional view of the mounting box in one embodiment of the present invention; Figure 3 This utility model Figure 2 A magnified view of a section at point A in the middle; Figure 4 This is a perspective view of the support frame in one embodiment of the present invention; Reference numerals in the attached drawings: 1. Rotary vibratory feeder; 2. Spiral guide plate; 31. Lifting screw; 32. Lifting sleeve; 33. Slider; 34. Bearing frame; 41. Movable box; 42. Drive motor; 43. Drive rod; 441. Bevel gear; 442. Bevel gear ring; 5. Pneumatic indexing plate; 6. Material handling rod; 7. Mounting frame; 8. Mounting box; 9. Telescopic rod; 10. Bearing seat; 11. Clearance hole. Detailed Implementation

[0014] Example 1; as Figure 1-4As shown, this utility model proposes an automatic sorting machine for silent bearing retainers, comprising a rotary vibratory plate 1, a spiral guide plate 2, a mounting frame 7, a lifting mechanism, a drive mechanism, and a telescopic rod 9. The spiral guide plate 2 is mounted on the rotary vibratory plate 1, and a positioning rod is welded to the middle of the spiral guide plate 2. The rotary vibratory plate 1 is equipped with a height limiting pin, which is located above the positioning rod. A return port is located below the height limiting pin and communicates with the inlet of the spiral guide plate 2. A cover plate is provided at the outlet of the spiral guide plate 2 via a cylinder, and a gap is provided in the middle of the cover plate. An inductive switch is also provided at the outlet of the spiral guide plate 2. A pneumatic indexing plate 5 is provided on one side of the rotary vibratory plate 1, and multiple sorting rods 6 are provided on the top of the pneumatic indexing plate 5. Multiple bearing seats 10 are provided on the top of the pneumatic indexing plate 5 and are connected to the sorting rods 6 one by one. Correspondingly, the support seat 10 is fitted onto the surface of the feeder rod 6; the mounting frame 7 is set on one side of the rotating vibratory plate 1, and the mounting box 8 is set above the mounting frame 7; the lifting mechanism is set inside the mounting box 8, and one end of the lifting mechanism passes through the mounting box 8 and extends to the outside of the mounting box 8; the drive mechanism is set at the bottom of the mounting box 8, and the drive mechanism is connected to the lifting mechanism to drive the lifting mechanism to move; multiple telescopic rods 9 are provided, the fixed end of the telescopic rod 9 is connected to the mounting frame 7, and the movable end of the telescopic rod 9 is connected to the mounting box 8. The telescopic rod 9 is an electric telescopic rod and is connected to the control system and power supply through wires. Multiple sets of telescopic rods 9 connect the mounting frame 7 and the mounting box 8, which can drive the mounting box 8 and the support frame 34 to flexibly approach or move away from the feeder rod 6, which is convenient for the pneumatic indexing plate 5 to adjust the position when switching the feeder rod 6.

[0015] Example 2; as Figure 2-4 As shown, the present invention discloses an automatic sorting machine for silent bearing retainers. Compared with Embodiment 1, this embodiment further discloses the structure of the lifting mechanism. The lifting mechanism includes a lifting screw 31, a lifting sleeve 32, a slider 33, and a support frame 34. The lifting screw 31 is rotatably disposed in the mounting box 8, the lifting sleeve 32 is slidably disposed in the mounting box 8, the lifting sleeve 32 is sleeved on the lifting screw 31 and threadedly connected to the lifting screw 31, the slider 33 is slidably disposed on the surface of the mounting box 8, one end of the slider 33 extends into the mounting box 8 and is fixedly connected to the lifting sleeve 32, and the support frame 34 is disposed outside the mounting box 8 and fixedly connected to the slider 33.

[0016] Example 3; as Figure 2-3As shown, this utility model discloses an automatic silent bearing retainer sorting machine. Compared with Embodiment 2, this embodiment further discloses the structure of the drive mechanism. The drive mechanism includes a movable box 41, a drive motor 42, a drive rod 43, and a transmission assembly. The movable box 41 is slidably mounted on the mounting frame 7, and the top of the movable box 41 is fixedly connected to the bottom of the mounting box 8. The bottom end of the lifting screw 31 passes through the mounting box 8 and the movable box 41 and extends into the movable box 41. The drive motor 42 is fixedly connected to the movable box 41 and has forward and reverse rotation functions. It is connected to the control system and power supply through wires. The frame 7 has a through hole 11. When the telescopic rod 9 is in the retracted state, the drive motor 42 is located in the through hole 11. The drive rod 43 is located in the movable box 41. One end of the drive rod 43 is connected to the output end of the drive motor 42. One end of the transmission component is connected to the lifting screw 31, and the other end of the transmission component is connected to the drive rod 43. The transmission component includes a bevel gear 441 and a bevel gear ring 442. The bevel gear 441 is located in the movable box 41 and is fixedly connected to the drive rod 43. The bevel gear ring 442 is located in the movable box 41 and is connected to the lifting screw 31. The bevel gear 441 and the bevel gear ring 442 mesh with each other.

[0017] By placing the silent bearing retainer to be processed into the rotary vibratory feeder 1 and turning on the rotary vibratory feeder 1, the silent bearing retainer climbs along the spiral guide plate 2 under the force of the rotary vibratory feeder 1. When the silent bearing retainer reaches the positioning bar on the spiral guide plate 2, the silent bearing retainers in the direction matching the positioning bar can continue to pass; the silent bearing retainers in the direction not matching the positioning bar, because their height is greater than the height limit pin, are pushed off the spiral guide plate 2 by the height limit pin under the force of the rotary vibratory feeder 1. The vibrating plate shakes the silent bearing retainer to the return port, and then the shaken-down silent bearing retainer climbs up along the spiral guide plate 2 again from the return port; the silent bearing retainer matching the direction of the positioning bar continues to climb along the spiral guide plate 2; passing through the cover plate at the outlet of the spiral guide plate 2, the cover plate can prevent the two silent bearing retainers from overlapping, and falls from the outlet of the spiral guide plate 2 into the sorting rod 6. The sorting rod 6 is aligned with the outlet of the spiral guide plate 2, which facilitates the falling of the silent bearing retainer, thereby completing the same-direction sorting of the silent bearing retainer.

[0018] When the silent bearing retainer falls from the outlet of the rotating vibratory plate 1 into the feed rod 6, it first lands on the support frame 34. At the same time, the drive motor 42 drives the bevel gear 441 to rotate through the drive rod 43. The rotation of the bevel gear 441 drives the bevel gear ring 442 and the lifting screw 31 to rotate together through meshing. The rotation of the lifting screw 31 drives the slider 33 and the support frame 34 to move downward through the lifting sleeve 32. The downward movement of the support frame 34 causes the uppermost silent bearing retainer on the feed rod 6 to be slightly lower than the outlet of the spiral guide plate 2, which greatly reduces the height difference when the silent bearing retainer falls from the spiral guide plate 2 onto the feed rod 6, and reduces the impact of the impact force on the silent bearing retainer.

[0019] When the support frame 34 descends to be flush with the support seat 10, the cylinder operates to prevent the silent bearing retainer from falling. The telescopic rod 9 retracts and, through the mounting box 8, moves the support frame 34 away from the material handling rod 6. At this time, the pneumatic indexing plate 5 rotates by one division, aligning the other material handling rod 6 with the outlet of the spiral guide plate 2. The telescopic rod 9 extends and, through the mounting box 8, moves the support frame 34 towards the material handling rod 6. Simultaneously, the drive motor 42 rotates in the opposite direction, causing the support frame 34 to move upward and reset. Subsequently, the cylinder stops operating, and the silent bearing retainer continues to fall, continuing the same-direction alignment work of the silent bearing retainer.

[0020] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited thereto. Various changes can be made within the scope of knowledge possessed by those skilled in the art without departing from the spirit of the present invention.

Claims

1. An automatic finishing machine for silent bearing retainers, comprising a rotary vibratory feeder (1) and a spiral guide plate (2), wherein the spiral guide plate (2) is disposed on the rotary vibratory feeder (1), characterized in that: A pneumatic indexing plate (5) is provided on one side of the rotary vibratory plate (1), and multiple material handling rods (6) are provided on the top of the pneumatic indexing plate (5). Mounting bracket (7) is set on one side of the rotating vibratory plate (1), and mounting box (8) is set above the mounting bracket (7). The lifting mechanism is installed inside the mounting box (8), with one end of the lifting mechanism passing through the mounting box (8) and extending to the outside of the mounting box (8); The drive mechanism is located at the bottom of the mounting box (8) and is connected to the lifting mechanism to drive the lifting mechanism to move. Multiple telescopic rods (9) are provided. The fixed end of the telescopic rod (9) is connected to the mounting frame (7), and the movable end of the telescopic rod (9) is connected to the mounting box (8).

2. The silent bearing retainer automatic finishing machine according to claim 1, characterized in that, The lifting mechanism includes a lifting screw (31), a lifting sleeve (32), a slider (33), and a support frame (34). The lifting screw (31) is rotatably disposed inside the mounting box (8), the lifting sleeve (32) is slidably disposed inside the mounting box (8), the lifting sleeve (32) is sleeved on the lifting screw (31) and threadedly connected to the lifting screw (31), the slider (33) is slidably disposed on the surface of the mounting box (8), one end of the slider (33) extends into the mounting box (8) and is fixedly connected to the lifting sleeve (32), and the support frame (34) is disposed outside the mounting box (8) and is fixedly connected to the slider (33).

3. The silent bearing retainer automatic finishing machine according to claim 2, characterized in that, The drive mechanism includes a movable box (41), a drive motor (42), a drive rod (43), and a transmission assembly. The movable box (41) is slidably mounted on the mounting frame (7). The top of the movable box (41) is fixedly connected to the bottom of the mounting box (8). The bottom end of the lifting screw (31) passes through the mounting box (8) and the movable box (41) and extends into the movable box (41). The drive motor (42) is fixedly connected to the movable box (41). The drive rod (43) is mounted inside the movable box (41). One end of the drive rod (43) is connected to the output end of the drive motor (42). One end of the transmission assembly is connected to the lifting screw (31), and the other end of the transmission assembly is connected to the drive rod (43).

4. The silent bearing retainer automatic finishing machine according to claim 3, characterized in that, The transmission assembly includes a bevel gear (441) and a bevel gear ring (442); the bevel gear (441) is located in the movable box (41) and fixedly connected to the drive rod (43), and the bevel gear ring (442) is located in the movable box (41) and connected to the lifting screw (31), and the bevel gear (441) meshes with the bevel gear ring (442).

5. The silent bearing retainer automatic finishing machine according to claim 1, characterized in that, The top of the pneumatic indexing plate (5) is provided with multiple bearing seats (10) and they correspond one-to-one with the material handling rod (6). The bearing seats (10) are sleeved on the surface of the material handling rod (6).

6. The silent bearing retainer automatic finishing machine according to claim 2, characterized in that, The mounting bracket (7) has a through hole (11). When the telescopic rod (9) is in the retracted state, the drive motor (42) is inside the through hole (11).

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